root/drivers/scsi/bfa/bfa_fc.h

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   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * Copyright (c) 2005-2014 Brocade Communications Systems, Inc.
   4  * Copyright (c) 2014- QLogic Corporation.
   5  * All rights reserved
   6  * www.qlogic.com
   7  *
   8  * Linux driver for QLogic BR-series Fibre Channel Host Bus Adapter.
   9  */
  10 
  11 #ifndef __BFA_FC_H__
  12 #define __BFA_FC_H__
  13 
  14 #include "bfad_drv.h"
  15 
  16 typedef u64 wwn_t;
  17 
  18 #define WWN_NULL        (0)
  19 #define FC_SYMNAME_MAX  256     /*  max name server symbolic name size */
  20 #define FC_ALPA_MAX     128
  21 
  22 #pragma pack(1)
  23 
  24 #define MAC_ADDRLEN     (6)
  25 struct mac_s { u8 mac[MAC_ADDRLEN]; };
  26 #define mac_t struct mac_s
  27 
  28 /*
  29  * generic SCSI cdb definition
  30  */
  31 #define SCSI_MAX_CDBLEN     16
  32 struct scsi_cdb_s {
  33         u8         scsi_cdb[SCSI_MAX_CDBLEN];
  34 };
  35 
  36 /* ------------------------------------------------------------
  37  * SCSI status byte values
  38  * ------------------------------------------------------------
  39  */
  40 #define SCSI_STATUS_GOOD                   0x00
  41 #define SCSI_STATUS_CHECK_CONDITION        0x02
  42 #define SCSI_STATUS_CONDITION_MET          0x04
  43 #define SCSI_STATUS_BUSY                   0x08
  44 #define SCSI_STATUS_INTERMEDIATE           0x10
  45 #define SCSI_STATUS_ICM                    0x14 /* intermediate condition met */
  46 #define SCSI_STATUS_RESERVATION_CONFLICT   0x18
  47 #define SCSI_STATUS_COMMAND_TERMINATED     0x22
  48 #define SCSI_STATUS_QUEUE_FULL             0x28
  49 #define SCSI_STATUS_ACA_ACTIVE             0x30
  50 
  51 #define SCSI_MAX_ALLOC_LEN      0xFF    /* maximum allocarion length */
  52 
  53 /*
  54  * Fibre Channel Header Structure (FCHS) definition
  55  */
  56 struct fchs_s {
  57 #ifdef __BIG_ENDIAN
  58         u32        routing:4;   /* routing bits */
  59         u32        cat_info:4;  /* category info */
  60 #else
  61         u32        cat_info:4;  /* category info */
  62         u32        routing:4;   /* routing bits */
  63 #endif
  64         u32        d_id:24;     /* destination identifier */
  65 
  66         u32        cs_ctl:8;    /* class specific control */
  67         u32        s_id:24;     /* source identifier */
  68 
  69         u32        type:8;      /* data structure type */
  70         u32        f_ctl:24;    /* initial frame control */
  71 
  72         u8         seq_id;      /* sequence identifier */
  73         u8         df_ctl;      /* data field control */
  74         u16        seq_cnt;     /* sequence count */
  75 
  76         __be16     ox_id;       /* originator exchange ID */
  77         u16        rx_id;       /* responder exchange ID */
  78 
  79         u32        ro;          /* relative offset */
  80 };
  81 
  82 /*
  83  * routing bit definitions
  84  */
  85 enum {
  86         FC_RTG_FC4_DEV_DATA     = 0x0,  /* FC-4 Device Data */
  87         FC_RTG_EXT_LINK         = 0x2,  /* Extended Link Data */
  88         FC_RTG_FC4_LINK_DATA    = 0x3,  /* FC-4 Link Data */
  89         FC_RTG_VIDEO_DATA       = 0x4,  /* Video Data */
  90         FC_RTG_EXT_HDR          = 0x5,  /* VFT, IFR or Encapsuled */
  91         FC_RTG_BASIC_LINK       = 0x8,  /* Basic Link data */
  92         FC_RTG_LINK_CTRL        = 0xC,  /* Link Control */
  93 };
  94 
  95 /*
  96  * information category for extended link data and FC-4 Link Data
  97  */
  98 enum {
  99         FC_CAT_LD_REQUEST       = 0x2,  /* Request */
 100         FC_CAT_LD_REPLY         = 0x3,  /* Reply */
 101         FC_CAT_LD_DIAG          = 0xF,  /* for DIAG use only */
 102 };
 103 
 104 /*
 105  * information category for extended headers (VFT, IFR or encapsulation)
 106  */
 107 enum {
 108         FC_CAT_VFT_HDR = 0x0,   /* Virtual fabric tagging header */
 109         FC_CAT_IFR_HDR = 0x1,   /* Inter-Fabric routing header */
 110         FC_CAT_ENC_HDR = 0x2,   /* Encapsulation header */
 111 };
 112 
 113 /*
 114  * information category for FC-4 device data
 115  */
 116 enum {
 117         FC_CAT_UNCATEG_INFO     = 0x0,  /* Uncategorized information */
 118         FC_CAT_SOLICIT_DATA     = 0x1,  /* Solicited Data */
 119         FC_CAT_UNSOLICIT_CTRL   = 0x2,  /* Unsolicited Control */
 120         FC_CAT_SOLICIT_CTRL     = 0x3,  /* Solicited Control */
 121         FC_CAT_UNSOLICIT_DATA   = 0x4,  /* Unsolicited Data */
 122         FC_CAT_DATA_DESC        = 0x5,  /* Data Descriptor */
 123         FC_CAT_UNSOLICIT_CMD    = 0x6,  /* Unsolicited Command */
 124         FC_CAT_CMD_STATUS       = 0x7,  /* Command Status */
 125 };
 126 
 127 /*
 128  * Type Field Definitions. FC-PH Section 18.5 pg. 165
 129  */
 130 enum {
 131         FC_TYPE_BLS             = 0x0,  /* Basic Link Service */
 132         FC_TYPE_ELS             = 0x1,  /* Extended Link Service */
 133         FC_TYPE_IP              = 0x5,  /* IP */
 134         FC_TYPE_FCP             = 0x8,  /* SCSI-FCP */
 135         FC_TYPE_GPP             = 0x9,  /* SCSI_GPP */
 136         FC_TYPE_SERVICES        = 0x20, /* Fibre Channel Services */
 137         FC_TYPE_FC_FSS          = 0x22, /* Fabric Switch Services */
 138         FC_TYPE_FC_AL           = 0x23, /* FC-AL */
 139         FC_TYPE_FC_SNMP         = 0x24, /* FC-SNMP */
 140         FC_TYPE_FC_SPINFAB      = 0xEE, /* SPINFAB */
 141         FC_TYPE_FC_DIAG         = 0xEF, /* DIAG */
 142         FC_TYPE_MAX             = 256,  /* 256 FC-4 types */
 143 };
 144 
 145 /*
 146  * Frame Control Definitions. FC-PH Table-45. pg. 168
 147  */
 148 enum {
 149         FCTL_EC_ORIG = 0x000000,        /* exchange originator */
 150         FCTL_EC_RESP = 0x800000,        /* exchange responder */
 151         FCTL_SEQ_INI = 0x000000,        /* sequence initiator */
 152         FCTL_SEQ_REC = 0x400000,        /* sequence recipient */
 153         FCTL_FS_EXCH = 0x200000,        /* first sequence of xchg */
 154         FCTL_LS_EXCH = 0x100000,        /* last sequence of xchg */
 155         FCTL_END_SEQ = 0x080000,        /* last frame of sequence */
 156         FCTL_SI_XFER = 0x010000,        /* seq initiative transfer */
 157         FCTL_RO_PRESENT = 0x000008,     /* relative offset present */
 158         FCTL_FILLBYTE_MASK = 0x000003   /* , fill byte mask */
 159 };
 160 
 161 /*
 162  * Fabric Well Known Addresses
 163  */
 164 enum {
 165         FC_MIN_WELL_KNOWN_ADDR          = 0xFFFFF0,
 166         FC_DOMAIN_CONTROLLER_MASK       = 0xFFFC00,
 167         FC_ALIAS_SERVER                 = 0xFFFFF8,
 168         FC_MGMT_SERVER                  = 0xFFFFFA,
 169         FC_TIME_SERVER                  = 0xFFFFFB,
 170         FC_NAME_SERVER                  = 0xFFFFFC,
 171         FC_FABRIC_CONTROLLER            = 0xFFFFFD,
 172         FC_FABRIC_PORT                  = 0xFFFFFE,
 173         FC_BROADCAST_SERVER             = 0xFFFFFF
 174 };
 175 
 176 /*
 177  * domain/area/port defines
 178  */
 179 #define FC_DOMAIN_MASK  0xFF0000
 180 #define FC_DOMAIN_SHIFT 16
 181 #define FC_AREA_MASK    0x00FF00
 182 #define FC_AREA_SHIFT   8
 183 #define FC_PORT_MASK    0x0000FF
 184 #define FC_PORT_SHIFT   0
 185 
 186 #define FC_GET_DOMAIN(p)        (((p) & FC_DOMAIN_MASK) >> FC_DOMAIN_SHIFT)
 187 #define FC_GET_AREA(p)          (((p) & FC_AREA_MASK) >> FC_AREA_SHIFT)
 188 #define FC_GET_PORT(p)          (((p) & FC_PORT_MASK) >> FC_PORT_SHIFT)
 189 
 190 #define FC_DOMAIN_CTRLR(p)      (FC_DOMAIN_CONTROLLER_MASK | (FC_GET_DOMAIN(p)))
 191 
 192 enum {
 193         FC_RXID_ANY = 0xFFFFU,
 194 };
 195 
 196 /*
 197  * generic ELS command
 198  */
 199 struct fc_els_cmd_s {
 200         u32        els_code:8;  /* ELS Command Code */
 201         u32        reserved:24;
 202 };
 203 
 204 /*
 205  * ELS Command Codes. FC-PH Table-75. pg. 223
 206  */
 207 enum {
 208         FC_ELS_LS_RJT = 0x1,    /* Link Service Reject. */
 209         FC_ELS_ACC = 0x02,      /* Accept */
 210         FC_ELS_PLOGI = 0x03,    /* N_Port Login. */
 211         FC_ELS_FLOGI = 0x04,    /* F_Port Login. */
 212         FC_ELS_LOGO = 0x05,     /* Logout. */
 213         FC_ELS_ABTX = 0x06,     /* Abort Exchange */
 214         FC_ELS_RES = 0x08,      /* Read Exchange status */
 215         FC_ELS_RSS = 0x09,      /* Read sequence status block */
 216         FC_ELS_RSI = 0x0A,      /* Request Sequence Initiative */
 217         FC_ELS_ESTC = 0x0C,     /* Estimate Credit. */
 218         FC_ELS_RTV = 0x0E,      /* Read Timeout Value. */
 219         FC_ELS_RLS = 0x0F,      /* Read Link Status. */
 220         FC_ELS_ECHO = 0x10,     /* Echo */
 221         FC_ELS_TEST = 0x11,     /* Test */
 222         FC_ELS_RRQ = 0x12,      /* Reinstate Recovery Qualifier. */
 223         FC_ELS_REC = 0x13,      /* Add this for TAPE support in FCR */
 224         FC_ELS_PRLI = 0x20,     /* Process Login */
 225         FC_ELS_PRLO = 0x21,     /* Process Logout. */
 226         FC_ELS_SCN = 0x22,      /* State Change Notification. */
 227         FC_ELS_TPRLO = 0x24,    /* Third Party Process Logout. */
 228         FC_ELS_PDISC = 0x50,    /* Discover N_Port Parameters. */
 229         FC_ELS_FDISC = 0x51,    /* Discover F_Port Parameters. */
 230         FC_ELS_ADISC = 0x52,    /* Discover Address. */
 231         FC_ELS_FARP_REQ = 0x54, /* FARP Request. */
 232         FC_ELS_FARP_REP = 0x55, /* FARP Reply. */
 233         FC_ELS_FAN = 0x60,      /* Fabric Address Notification */
 234         FC_ELS_RSCN = 0x61,     /* Reg State Change Notification */
 235         FC_ELS_SCR = 0x62,      /* State Change Registration. */
 236         FC_ELS_RTIN = 0x77,     /* Mangement server request */
 237         FC_ELS_RNID = 0x78,     /* Mangement server request */
 238         FC_ELS_RLIR = 0x79,     /* Registered Link Incident Record */
 239 
 240         FC_ELS_RPSC = 0x7D,     /* Report Port Speed Capabilities */
 241         FC_ELS_QSA = 0x7E,      /* Query Security Attributes. Ref FC-SP */
 242         FC_ELS_E2E_LBEACON = 0x81,
 243                                 /* End-to-End Link Beacon */
 244         FC_ELS_AUTH = 0x90,     /* Authentication. Ref FC-SP */
 245         FC_ELS_RFCN = 0x97,     /* Request Fabric Change Notification. Ref
 246                                  *FC-SP */
 247 };
 248 
 249 /*
 250  *  Version numbers for FC-PH standards,
 251  *  used in login to indicate what port
 252  *  supports. See FC-PH-X table 158.
 253  */
 254 enum {
 255         FC_PH_VER_4_3 = 0x09,
 256         FC_PH_VER_PH_3 = 0x20,
 257 };
 258 
 259 /*
 260  * PDU size defines
 261  */
 262 enum {
 263         FC_MIN_PDUSZ = 512,
 264         FC_MAX_PDUSZ = 2112,
 265 };
 266 
 267 /*
 268  * N_Port PLOGI Common Service Parameters.
 269  * FC-PH-x. Figure-76. pg. 308.
 270  */
 271 struct fc_plogi_csp_s {
 272         u8              verhi;          /* FC-PH high version */
 273         u8              verlo;          /* FC-PH low version */
 274         __be16          bbcred;         /* BB_Credit */
 275 
 276 #ifdef __BIG_ENDIAN
 277         u8              ciro:1,         /* continuously increasing RO */
 278                         rro:1,          /* random relative offset */
 279                         npiv_supp:1,    /* NPIV supported */
 280                         port_type:1,    /* N_Port/F_port */
 281                         altbbcred:1,    /* alternate BB_Credit */
 282                         resolution:1,   /* ms/ns ED_TOV resolution */
 283                         vvl_info:1,     /* VVL Info included */
 284                         reserved1:1;
 285 
 286         u8              hg_supp:1,
 287                         query_dbc:1,
 288                         security:1,
 289                         sync_cap:1,
 290                         r_t_tov:1,
 291                         dh_dup_supp:1,
 292                         cisc:1,         /* continuously increasing seq count */
 293                         payload:1;
 294 #else
 295         u8              reserved2:2,
 296                         resolution:1,   /* ms/ns ED_TOV resolution */
 297                         altbbcred:1,    /* alternate BB_Credit */
 298                         port_type:1,    /* N_Port/F_port */
 299                         npiv_supp:1,    /* NPIV supported */
 300                         rro:1,          /* random relative offset */
 301                         ciro:1;         /* continuously increasing RO */
 302 
 303         u8              payload:1,
 304                         cisc:1,         /* continuously increasing seq count */
 305                         dh_dup_supp:1,
 306                         r_t_tov:1,
 307                         sync_cap:1,
 308                         security:1,
 309                         query_dbc:1,
 310                         hg_supp:1;
 311 #endif
 312         __be16          rxsz;           /* receive data_field size */
 313         __be16          conseq;
 314         __be16          ro_bitmap;
 315         __be32          e_d_tov;
 316 };
 317 
 318 /*
 319  * N_Port PLOGI Class Specific Parameters.
 320  * FC-PH-x. Figure 78. pg. 318.
 321  */
 322 struct fc_plogi_clp_s {
 323 #ifdef __BIG_ENDIAN
 324         u32        class_valid:1;
 325         u32        intermix:1;  /* class intermix supported if set =1.
 326                                  * valid only for class1. Reserved for
 327                                  * class2 & class3 */
 328         u32        reserved1:2;
 329         u32        sequential:1;
 330         u32        reserved2:3;
 331 #else
 332         u32        reserved2:3;
 333         u32        sequential:1;
 334         u32        reserved1:2;
 335         u32        intermix:1;  /* class intermix supported if set =1.
 336                                  * valid only for class1. Reserved for
 337                                  * class2 & class3 */
 338         u32        class_valid:1;
 339 #endif
 340         u32        reserved3:24;
 341 
 342         u32        reserved4:16;
 343         u32        rxsz:16;     /* Receive data_field size */
 344 
 345         u32        reserved5:8;
 346         u32        conseq:8;
 347         u32        e2e_credit:16; /* end to end credit */
 348 
 349         u32        reserved7:8;
 350         u32        ospx:8;
 351         u32        reserved8:16;
 352 };
 353 
 354 /* ASCII value for each character in string "BRCD" */
 355 #define FLOGI_VVL_BRCD    0x42524344
 356 
 357 /*
 358  * PLOGI els command and reply payload
 359  */
 360 struct fc_logi_s {
 361         struct fc_els_cmd_s     els_cmd;        /* ELS command code */
 362         struct fc_plogi_csp_s   csp;            /* common service params */
 363         wwn_t                   port_name;
 364         wwn_t                   node_name;
 365         struct fc_plogi_clp_s   class1;         /* class 1 service parameters */
 366         struct fc_plogi_clp_s   class2;         /* class 2 service parameters */
 367         struct fc_plogi_clp_s   class3;         /* class 3 service parameters */
 368         struct fc_plogi_clp_s   class4;         /* class 4 service parameters */
 369         u8                      vvl[16];        /* vendor version level */
 370 };
 371 
 372 /*
 373  * LOGO els command payload
 374  */
 375 struct fc_logo_s {
 376         struct fc_els_cmd_s     els_cmd;        /* ELS command code */
 377         u32                     res1:8;
 378         u32             nport_id:24;    /* N_Port identifier of source */
 379         wwn_t           orig_port_name; /* Port name of the LOGO originator */
 380 };
 381 
 382 /*
 383  * ADISC els command payload
 384  */
 385 struct fc_adisc_s {
 386         struct fc_els_cmd_s els_cmd;    /* ELS command code */
 387         u32             res1:8;
 388         u32             orig_HA:24;     /* originator hard address */
 389         wwn_t           orig_port_name; /* originator port name */
 390         wwn_t           orig_node_name; /* originator node name */
 391         u32             res2:8;
 392         u32             nport_id:24;    /* originator NPortID */
 393 };
 394 
 395 /*
 396  * Exchange status block
 397  */
 398 struct fc_exch_status_blk_s {
 399         u32        oxid:16;
 400         u32        rxid:16;
 401         u32        res1:8;
 402         u32        orig_np:24;  /* originator NPortID */
 403         u32        res2:8;
 404         u32        resp_np:24;  /* responder NPortID */
 405         u32        es_bits;
 406         u32        res3;
 407         /*
 408          * un modified section of the fields
 409          */
 410 };
 411 
 412 /*
 413  * RES els command payload
 414  */
 415 struct fc_res_s {
 416         struct fc_els_cmd_s els_cmd;    /* ELS command code */
 417         u32        res1:8;
 418         u32        nport_id:24;         /* N_Port identifier of source */
 419         u32        oxid:16;
 420         u32        rxid:16;
 421         u8         assoc_hdr[32];
 422 };
 423 
 424 /*
 425  * RES els accept payload
 426  */
 427 struct fc_res_acc_s {
 428         struct fc_els_cmd_s             els_cmd;        /* ELS command code */
 429         struct fc_exch_status_blk_s     fc_exch_blk; /* Exchange status block */
 430 };
 431 
 432 /*
 433  * REC els command payload
 434  */
 435 struct fc_rec_s {
 436         struct fc_els_cmd_s els_cmd;    /* ELS command code */
 437         u32        res1:8;
 438         u32        nport_id:24; /* N_Port identifier of source */
 439         u32        oxid:16;
 440         u32        rxid:16;
 441 };
 442 
 443 #define FC_REC_ESB_OWN_RSP      0x80000000      /* responder owns */
 444 #define FC_REC_ESB_SI           0x40000000      /* SI is owned  */
 445 #define FC_REC_ESB_COMP         0x20000000      /* exchange is complete */
 446 #define FC_REC_ESB_ENDCOND_ABN  0x10000000      /* abnormal ending      */
 447 #define FC_REC_ESB_RQACT        0x04000000      /* recovery qual active */
 448 #define FC_REC_ESB_ERRP_MSK     0x03000000
 449 #define FC_REC_ESB_OXID_INV     0x00800000      /* invalid OXID         */
 450 #define FC_REC_ESB_RXID_INV     0x00400000      /* invalid RXID         */
 451 #define FC_REC_ESB_PRIO_INUSE   0x00200000
 452 
 453 /*
 454  * REC els accept payload
 455  */
 456 struct fc_rec_acc_s {
 457         struct fc_els_cmd_s els_cmd;    /* ELS command code */
 458         u32        oxid:16;
 459         u32        rxid:16;
 460         u32        res1:8;
 461         u32        orig_id:24;  /* N_Port id of exchange originator */
 462         u32        res2:8;
 463         u32        resp_id:24;  /* N_Port id of exchange responder */
 464         u32        count;       /* data transfer count */
 465         u32        e_stat;      /* exchange status */
 466 };
 467 
 468 /*
 469  * RSI els payload
 470  */
 471 struct fc_rsi_s {
 472         struct fc_els_cmd_s els_cmd;
 473         u32        res1:8;
 474         u32        orig_sid:24;
 475         u32        oxid:16;
 476         u32        rxid:16;
 477 };
 478 
 479 /*
 480  * structure for PRLI paramater pages, both request & response
 481  * see FC-PH-X table 113 & 115 for explanation also FCP table 8
 482  */
 483 struct fc_prli_params_s {
 484         u32        reserved:16;
 485 #ifdef __BIG_ENDIAN
 486         u32        reserved1:5;
 487         u32        rec_support:1;
 488         u32        task_retry_id:1;
 489         u32        retry:1;
 490 
 491         u32        confirm:1;
 492         u32        doverlay:1;
 493         u32        initiator:1;
 494         u32        target:1;
 495         u32        cdmix:1;
 496         u32        drmix:1;
 497         u32        rxrdisab:1;
 498         u32        wxrdisab:1;
 499 #else
 500         u32        retry:1;
 501         u32        task_retry_id:1;
 502         u32        rec_support:1;
 503         u32        reserved1:5;
 504 
 505         u32        wxrdisab:1;
 506         u32        rxrdisab:1;
 507         u32        drmix:1;
 508         u32        cdmix:1;
 509         u32        target:1;
 510         u32        initiator:1;
 511         u32        doverlay:1;
 512         u32        confirm:1;
 513 #endif
 514 };
 515 
 516 /*
 517  * valid values for rspcode in PRLI ACC payload
 518  */
 519 enum {
 520         FC_PRLI_ACC_XQTD = 0x1,         /* request executed */
 521         FC_PRLI_ACC_PREDEF_IMG = 0x5,   /* predefined image - no prli needed */
 522 };
 523 
 524 struct fc_prli_params_page_s {
 525         u32        type:8;
 526         u32        codext:8;
 527 #ifdef __BIG_ENDIAN
 528         u32        origprocasv:1;
 529         u32        rsppav:1;
 530         u32        imagepair:1;
 531         u32        reserved1:1;
 532         u32        rspcode:4;
 533 #else
 534         u32        rspcode:4;
 535         u32        reserved1:1;
 536         u32        imagepair:1;
 537         u32        rsppav:1;
 538         u32        origprocasv:1;
 539 #endif
 540         u32        reserved2:8;
 541 
 542         u32        origprocas;
 543         u32        rspprocas;
 544         struct fc_prli_params_s servparams;
 545 };
 546 
 547 /*
 548  * PRLI request and accept payload, FC-PH-X tables 112 & 114
 549  */
 550 struct fc_prli_s {
 551         u32        command:8;
 552         u32        pglen:8;
 553         u32        pagebytes:16;
 554         struct fc_prli_params_page_s parampage;
 555 };
 556 
 557 /*
 558  * PRLO logout params page
 559  */
 560 struct fc_prlo_params_page_s {
 561         u32        type:8;
 562         u32        type_ext:8;
 563 #ifdef __BIG_ENDIAN
 564         u32        opa_valid:1; /* originator process associator valid */
 565         u32        rpa_valid:1; /* responder process associator valid */
 566         u32        res1:14;
 567 #else
 568         u32        res1:14;
 569         u32        rpa_valid:1; /* responder process associator valid */
 570         u32        opa_valid:1; /* originator process associator valid */
 571 #endif
 572         u32        orig_process_assc;
 573         u32        resp_process_assc;
 574 
 575         u32        res2;
 576 };
 577 
 578 /*
 579  * PRLO els command payload
 580  */
 581 struct fc_prlo_s {
 582         u32     command:8;
 583         u32     page_len:8;
 584         u32     payload_len:16;
 585         struct fc_prlo_params_page_s    prlo_params[1];
 586 };
 587 
 588 /*
 589  * PRLO Logout response parameter page
 590  */
 591 struct fc_prlo_acc_params_page_s {
 592         u32        type:8;
 593         u32        type_ext:8;
 594 
 595 #ifdef __BIG_ENDIAN
 596         u32        opa_valid:1; /* originator process associator valid */
 597         u32        rpa_valid:1; /* responder process associator valid */
 598         u32        res1:14;
 599 #else
 600         u32        res1:14;
 601         u32        rpa_valid:1; /* responder process associator valid */
 602         u32        opa_valid:1; /* originator process associator valid */
 603 #endif
 604         u32        orig_process_assc;
 605         u32        resp_process_assc;
 606 
 607         u32        fc4type_csp;
 608 };
 609 
 610 /*
 611  * PRLO els command ACC payload
 612  */
 613 struct fc_prlo_acc_s {
 614         u32        command:8;
 615         u32        page_len:8;
 616         u32        payload_len:16;
 617         struct fc_prlo_acc_params_page_s prlo_acc_params[1];
 618 };
 619 
 620 /*
 621  * SCR els command payload
 622  */
 623 enum {
 624         FC_SCR_REG_FUNC_FABRIC_DETECTED = 0x01,
 625         FC_SCR_REG_FUNC_N_PORT_DETECTED = 0x02,
 626         FC_SCR_REG_FUNC_FULL = 0x03,
 627         FC_SCR_REG_FUNC_CLEAR_REG = 0xFF,
 628 };
 629 
 630 /* SCR VU registrations */
 631 enum {
 632         FC_VU_SCR_REG_FUNC_FABRIC_NAME_CHANGE = 0x01
 633 };
 634 
 635 struct fc_scr_s {
 636         u32 command:8;
 637         u32 res:24;
 638         u32 vu_reg_func:8; /* Vendor Unique Registrations */
 639         u32 res1:16;
 640         u32 reg_func:8;
 641 };
 642 
 643 /*
 644  * Information category for Basic link data
 645  */
 646 enum {
 647         FC_CAT_NOP      = 0x0,
 648         FC_CAT_ABTS     = 0x1,
 649         FC_CAT_RMC      = 0x2,
 650         FC_CAT_BA_ACC   = 0x4,
 651         FC_CAT_BA_RJT   = 0x5,
 652         FC_CAT_PRMT     = 0x6,
 653 };
 654 
 655 /*
 656  * LS_RJT els reply payload
 657  */
 658 struct fc_ls_rjt_s {
 659         struct fc_els_cmd_s els_cmd;    /* ELS command code */
 660         u32        res1:8;
 661         u32        reason_code:8;       /* Reason code for reject */
 662         u32        reason_code_expl:8;  /* Reason code explanation */
 663         u32        vendor_unique:8;     /* Vendor specific */
 664 };
 665 
 666 /*
 667  * LS_RJT reason codes
 668  */
 669 enum {
 670         FC_LS_RJT_RSN_INV_CMD_CODE      = 0x01,
 671         FC_LS_RJT_RSN_LOGICAL_ERROR     = 0x03,
 672         FC_LS_RJT_RSN_LOGICAL_BUSY      = 0x05,
 673         FC_LS_RJT_RSN_PROTOCOL_ERROR    = 0x07,
 674         FC_LS_RJT_RSN_UNABLE_TO_PERF_CMD = 0x09,
 675         FC_LS_RJT_RSN_CMD_NOT_SUPP      = 0x0B,
 676 };
 677 
 678 /*
 679  * LS_RJT reason code explanation
 680  */
 681 enum {
 682         FC_LS_RJT_EXP_NO_ADDL_INFO              = 0x00,
 683         FC_LS_RJT_EXP_SPARMS_ERR_OPTIONS        = 0x01,
 684         FC_LS_RJT_EXP_SPARMS_ERR_INI_CTL        = 0x03,
 685         FC_LS_RJT_EXP_SPARMS_ERR_REC_CTL        = 0x05,
 686         FC_LS_RJT_EXP_SPARMS_ERR_RXSZ           = 0x07,
 687         FC_LS_RJT_EXP_SPARMS_ERR_CONSEQ         = 0x09,
 688         FC_LS_RJT_EXP_SPARMS_ERR_CREDIT         = 0x0B,
 689         FC_LS_RJT_EXP_INV_PORT_NAME             = 0x0D,
 690         FC_LS_RJT_EXP_INV_NODE_FABRIC_NAME      = 0x0E,
 691         FC_LS_RJT_EXP_INV_CSP                   = 0x0F,
 692         FC_LS_RJT_EXP_INV_ASSOC_HDR             = 0x11,
 693         FC_LS_RJT_EXP_ASSOC_HDR_REQD            = 0x13,
 694         FC_LS_RJT_EXP_INV_ORIG_S_ID             = 0x15,
 695         FC_LS_RJT_EXP_INV_OXID_RXID_COMB        = 0x17,
 696         FC_LS_RJT_EXP_CMD_ALREADY_IN_PROG       = 0x19,
 697         FC_LS_RJT_EXP_LOGIN_REQUIRED            = 0x1E,
 698         FC_LS_RJT_EXP_INVALID_NPORT_ID          = 0x1F,
 699         FC_LS_RJT_EXP_INSUFF_RES                = 0x29,
 700         FC_LS_RJT_EXP_CMD_NOT_SUPP              = 0x2C,
 701         FC_LS_RJT_EXP_INV_PAYLOAD_LEN           = 0x2D,
 702 };
 703 
 704 /*
 705  * RRQ els command payload
 706  */
 707 struct fc_rrq_s {
 708         struct fc_els_cmd_s els_cmd;    /* ELS command code */
 709         u32        res1:8;
 710         u32        s_id:24;     /* exchange originator S_ID */
 711 
 712         u32        ox_id:16;    /* originator exchange ID */
 713         u32        rx_id:16;    /* responder exchange ID */
 714 
 715         u32        res2[8];     /* optional association header */
 716 };
 717 
 718 /*
 719  * ABTS BA_ACC reply payload
 720  */
 721 struct fc_ba_acc_s {
 722         u32        seq_id_valid:8;      /* set to 0x00 for Abort Exchange */
 723         u32        seq_id:8;            /* invalid for Abort Exchange */
 724         u32        res2:16;
 725         u32        ox_id:16;            /* OX_ID from ABTS frame */
 726         u32        rx_id:16;            /* RX_ID from ABTS frame */
 727         u32        low_seq_cnt:16;      /* set to 0x0000 for Abort Exchange */
 728         u32        high_seq_cnt:16;     /* set to 0xFFFF for Abort Exchange */
 729 };
 730 
 731 /*
 732  * ABTS BA_RJT reject payload
 733  */
 734 struct fc_ba_rjt_s {
 735         u32        res1:8;              /* Reserved */
 736         u32        reason_code:8;       /* reason code for reject */
 737         u32        reason_expl:8;       /* reason code explanation */
 738         u32        vendor_unique:8; /* vendor unique reason code,set to 0 */
 739 };
 740 
 741 /*
 742  * TPRLO logout parameter page
 743  */
 744 struct fc_tprlo_params_page_s {
 745         u32        type:8;
 746         u32        type_ext:8;
 747 
 748 #ifdef __BIG_ENDIAN
 749         u32        opa_valid:1;
 750         u32        rpa_valid:1;
 751         u32        tpo_nport_valid:1;
 752         u32        global_process_logout:1;
 753         u32        res1:12;
 754 #else
 755         u32        res1:12;
 756         u32        global_process_logout:1;
 757         u32        tpo_nport_valid:1;
 758         u32        rpa_valid:1;
 759         u32        opa_valid:1;
 760 #endif
 761 
 762         u32        orig_process_assc;
 763         u32        resp_process_assc;
 764 
 765         u32        res2:8;
 766         u32        tpo_nport_id;
 767 };
 768 
 769 /*
 770  * TPRLO ELS command payload
 771  */
 772 struct fc_tprlo_s {
 773         u32        command:8;
 774         u32        page_len:8;
 775         u32        payload_len:16;
 776 
 777         struct fc_tprlo_params_page_s tprlo_params[1];
 778 };
 779 
 780 enum fc_tprlo_type {
 781         FC_GLOBAL_LOGO = 1,
 782         FC_TPR_LOGO
 783 };
 784 
 785 /*
 786  * TPRLO els command ACC payload
 787  */
 788 struct fc_tprlo_acc_s {
 789         u32     command:8;
 790         u32     page_len:8;
 791         u32     payload_len:16;
 792         struct fc_prlo_acc_params_page_s tprlo_acc_params[1];
 793 };
 794 
 795 /*
 796  * RSCN els command req payload
 797  */
 798 #define FC_RSCN_PGLEN   0x4
 799 
 800 enum fc_rscn_format {
 801         FC_RSCN_FORMAT_PORTID   = 0x0,
 802         FC_RSCN_FORMAT_AREA     = 0x1,
 803         FC_RSCN_FORMAT_DOMAIN   = 0x2,
 804         FC_RSCN_FORMAT_FABRIC   = 0x3,
 805 };
 806 
 807 struct fc_rscn_event_s {
 808         u32     format:2;
 809         u32     qualifier:4;
 810         u32     resvd:2;
 811         u32     portid:24;
 812 };
 813 
 814 struct fc_rscn_pl_s {
 815         u8      command;
 816         u8      pagelen;
 817         __be16  payldlen;
 818         struct fc_rscn_event_s event[1];
 819 };
 820 
 821 /*
 822  * ECHO els command req payload
 823  */
 824 struct fc_echo_s {
 825         struct fc_els_cmd_s els_cmd;
 826 };
 827 
 828 /*
 829  * RNID els command
 830  */
 831 #define RNID_NODEID_DATA_FORMAT_COMMON                  0x00
 832 #define RNID_NODEID_DATA_FORMAT_FCP3                    0x08
 833 #define RNID_NODEID_DATA_FORMAT_DISCOVERY               0xDF
 834 
 835 #define RNID_ASSOCIATED_TYPE_UNKNOWN                    0x00000001
 836 #define RNID_ASSOCIATED_TYPE_OTHER                      0x00000002
 837 #define RNID_ASSOCIATED_TYPE_HUB                        0x00000003
 838 #define RNID_ASSOCIATED_TYPE_SWITCH                     0x00000004
 839 #define RNID_ASSOCIATED_TYPE_GATEWAY                    0x00000005
 840 #define RNID_ASSOCIATED_TYPE_STORAGE_DEVICE             0x00000009
 841 #define RNID_ASSOCIATED_TYPE_HOST                       0x0000000A
 842 #define RNID_ASSOCIATED_TYPE_STORAGE_SUBSYSTEM          0x0000000B
 843 #define RNID_ASSOCIATED_TYPE_STORAGE_ACCESS_DEVICE      0x0000000E
 844 #define RNID_ASSOCIATED_TYPE_NAS_SERVER                 0x00000011
 845 #define RNID_ASSOCIATED_TYPE_BRIDGE                     0x00000002
 846 #define RNID_ASSOCIATED_TYPE_VIRTUALIZATION_DEVICE      0x00000003
 847 #define RNID_ASSOCIATED_TYPE_MULTI_FUNCTION_DEVICE      0x000000FF
 848 
 849 /*
 850  * RNID els command payload
 851  */
 852 struct fc_rnid_cmd_s {
 853         struct fc_els_cmd_s els_cmd;
 854         u32        node_id_data_format:8;
 855         u32        reserved:24;
 856 };
 857 
 858 /*
 859  * RNID els response payload
 860  */
 861 
 862 struct fc_rnid_common_id_data_s {
 863         wwn_t           port_name;
 864         wwn_t           node_name;
 865 };
 866 
 867 struct fc_rnid_general_topology_data_s {
 868         u32        vendor_unique[4];
 869         __be32     asso_type;
 870         u32        phy_port_num;
 871         __be32     num_attached_nodes;
 872         u32        node_mgmt:8;
 873         u32        ip_version:8;
 874         u32        udp_tcp_port_num:16;
 875         u32        ip_address[4];
 876         u32        reserved:16;
 877         u32        vendor_specific:16;
 878 };
 879 
 880 struct fc_rnid_acc_s {
 881         struct fc_els_cmd_s els_cmd;
 882         u32        node_id_data_format:8;
 883         u32        common_id_data_length:8;
 884         u32        reserved:8;
 885         u32        specific_id_data_length:8;
 886         struct fc_rnid_common_id_data_s common_id_data;
 887         struct fc_rnid_general_topology_data_s gen_topology_data;
 888 };
 889 
 890 #define RNID_ASSOCIATED_TYPE_UNKNOWN                    0x00000001
 891 #define RNID_ASSOCIATED_TYPE_OTHER                      0x00000002
 892 #define RNID_ASSOCIATED_TYPE_HUB                        0x00000003
 893 #define RNID_ASSOCIATED_TYPE_SWITCH                     0x00000004
 894 #define RNID_ASSOCIATED_TYPE_GATEWAY                    0x00000005
 895 #define RNID_ASSOCIATED_TYPE_STORAGE_DEVICE             0x00000009
 896 #define RNID_ASSOCIATED_TYPE_HOST                       0x0000000A
 897 #define RNID_ASSOCIATED_TYPE_STORAGE_SUBSYSTEM          0x0000000B
 898 #define RNID_ASSOCIATED_TYPE_STORAGE_ACCESS_DEVICE      0x0000000E
 899 #define RNID_ASSOCIATED_TYPE_NAS_SERVER                 0x00000011
 900 #define RNID_ASSOCIATED_TYPE_BRIDGE                     0x00000002
 901 #define RNID_ASSOCIATED_TYPE_VIRTUALIZATION_DEVICE      0x00000003
 902 #define RNID_ASSOCIATED_TYPE_MULTI_FUNCTION_DEVICE      0x000000FF
 903 
 904 enum fc_rpsc_speed_cap {
 905         RPSC_SPEED_CAP_1G = 0x8000,
 906         RPSC_SPEED_CAP_2G = 0x4000,
 907         RPSC_SPEED_CAP_4G = 0x2000,
 908         RPSC_SPEED_CAP_10G = 0x1000,
 909         RPSC_SPEED_CAP_8G = 0x0800,
 910         RPSC_SPEED_CAP_16G = 0x0400,
 911 
 912         RPSC_SPEED_CAP_UNKNOWN = 0x0001,
 913 };
 914 
 915 enum fc_rpsc_op_speed {
 916         RPSC_OP_SPEED_1G = 0x8000,
 917         RPSC_OP_SPEED_2G = 0x4000,
 918         RPSC_OP_SPEED_4G = 0x2000,
 919         RPSC_OP_SPEED_10G = 0x1000,
 920         RPSC_OP_SPEED_8G = 0x0800,
 921         RPSC_OP_SPEED_16G = 0x0400,
 922 
 923         RPSC_OP_SPEED_NOT_EST = 0x0001, /* speed not established */
 924 };
 925 
 926 struct fc_rpsc_speed_info_s {
 927         __be16        port_speed_cap;   /* see enum fc_rpsc_speed_cap */
 928         __be16        port_op_speed;    /* see enum fc_rpsc_op_speed */
 929 };
 930 
 931 /*
 932  * If RPSC request is sent to the Domain Controller, the request is for
 933  * all the ports within that domain.
 934  */
 935 struct fc_rpsc_cmd_s {
 936         struct fc_els_cmd_s els_cmd;
 937 };
 938 
 939 /*
 940  * RPSC Acc
 941  */
 942 struct fc_rpsc_acc_s {
 943         u32        command:8;
 944         u32        rsvd:8;
 945         u32        num_entries:16;
 946 
 947         struct fc_rpsc_speed_info_s speed_info[1];
 948 };
 949 
 950 /*
 951  * If RPSC2 request is sent to the Domain Controller,
 952  */
 953 #define FC_BRCD_TOKEN    0x42524344
 954 
 955 struct fc_rpsc2_cmd_s {
 956         struct fc_els_cmd_s els_cmd;
 957         __be32  token;
 958         u16     resvd;
 959         __be16  num_pids;               /* Number of pids in the request */
 960         struct  {
 961                 u32     rsvd1:8;
 962                 u32     pid:24;         /* port identifier */
 963         } pid_list[1];
 964 };
 965 
 966 enum fc_rpsc2_port_type {
 967         RPSC2_PORT_TYPE_UNKNOWN = 0,
 968         RPSC2_PORT_TYPE_NPORT   = 1,
 969         RPSC2_PORT_TYPE_NLPORT  = 2,
 970         RPSC2_PORT_TYPE_NPIV_PORT  = 0x5f,
 971         RPSC2_PORT_TYPE_NPORT_TRUNK  = 0x6f,
 972 };
 973 
 974 /*
 975  * RPSC2 portInfo entry structure
 976  */
 977 struct fc_rpsc2_port_info_s {
 978         __be32  pid;            /* PID */
 979         u16     resvd1;
 980         __be16  index;          /* port number / index */
 981         u8      resvd2;
 982         u8      type;           /* port type N/NL/... */
 983         __be16  speed;          /* port Operating Speed */
 984 };
 985 
 986 /*
 987  * RPSC2 Accept payload
 988  */
 989 struct fc_rpsc2_acc_s {
 990         u8        els_cmd;
 991         u8        resvd;
 992         __be16    num_pids; /* Number of pids in the request */
 993         struct fc_rpsc2_port_info_s port_info[1]; /* port information */
 994 };
 995 
 996 /*
 997  * bit fields so that multiple classes can be specified
 998  */
 999 enum fc_cos {
1000         FC_CLASS_2      = 0x04,
1001         FC_CLASS_3      = 0x08,
1002         FC_CLASS_2_3    = 0x0C,
1003 };
1004 
1005 /*
1006  * symbolic name
1007  */
1008 struct fc_symname_s {
1009         u8         symname[FC_SYMNAME_MAX];
1010 };
1011 
1012 struct fc_alpabm_s {
1013         u8      alpa_bm[FC_ALPA_MAX / 8];
1014 };
1015 
1016 /*
1017  * protocol default timeout values
1018  */
1019 #define FC_ED_TOV       2
1020 #define FC_REC_TOV      (FC_ED_TOV + 1)
1021 #define FC_RA_TOV       10
1022 #define FC_ELS_TOV      (2 * FC_RA_TOV)
1023 #define FC_FCCT_TOV     (3 * FC_RA_TOV)
1024 
1025 /*
1026  * virtual fabric related defines
1027  */
1028 #define FC_VF_ID_NULL    0      /*  must not be used as VF_ID */
1029 #define FC_VF_ID_MIN     1
1030 #define FC_VF_ID_MAX     0xEFF
1031 #define FC_VF_ID_CTL     0xFEF  /*  control VF_ID */
1032 
1033 /*
1034  * Virtual Fabric Tagging header format
1035  * @caution This is defined only in BIG ENDIAN format.
1036  */
1037 struct fc_vft_s {
1038         u32        r_ctl:8;
1039         u32        ver:2;
1040         u32        type:4;
1041         u32        res_a:2;
1042         u32        priority:3;
1043         u32        vf_id:12;
1044         u32        res_b:1;
1045         u32        hopct:8;
1046         u32        res_c:24;
1047 };
1048 
1049 /*
1050  * FCP_CMND definitions
1051  */
1052 #define FCP_CMND_CDB_LEN    16
1053 #define FCP_CMND_LUN_LEN    8
1054 
1055 struct fcp_cmnd_s {
1056         struct scsi_lun lun;            /* 64-bit LU number */
1057         u8              crn;            /* command reference number */
1058 #ifdef __BIG_ENDIAN
1059         u8              resvd:1,
1060                         priority:4,     /* FCP-3: SAM-3 priority */
1061                         taskattr:3;     /* scsi task attribute */
1062 #else
1063         u8              taskattr:3,     /* scsi task attribute */
1064                         priority:4,     /* FCP-3: SAM-3 priority */
1065                         resvd:1;
1066 #endif
1067         u8              tm_flags;       /* task management flags */
1068 #ifdef __BIG_ENDIAN
1069         u8              addl_cdb_len:6, /* additional CDB length words */
1070                         iodir:2;        /* read/write FCP_DATA IUs */
1071 #else
1072         u8              iodir:2,        /* read/write FCP_DATA IUs */
1073                         addl_cdb_len:6; /* additional CDB length */
1074 #endif
1075         struct scsi_cdb_s      cdb;
1076 
1077         __be32        fcp_dl;   /* bytes to be transferred */
1078 };
1079 
1080 #define fcp_cmnd_cdb_len(_cmnd) ((_cmnd)->addl_cdb_len * 4 + FCP_CMND_CDB_LEN)
1081 #define fcp_cmnd_fcpdl(_cmnd)   ((&(_cmnd)->fcp_dl)[(_cmnd)->addl_cdb_len])
1082 
1083 /*
1084  * struct fcp_cmnd_s .iodir field values
1085  */
1086 enum fcp_iodir {
1087         FCP_IODIR_NONE  = 0,
1088         FCP_IODIR_WRITE = 1,
1089         FCP_IODIR_READ  = 2,
1090         FCP_IODIR_RW    = 3,
1091 };
1092 
1093 /*
1094  * Task management flags field - only one bit shall be set
1095  */
1096 enum fcp_tm_cmnd {
1097         FCP_TM_ABORT_TASK_SET   = BIT(1),
1098         FCP_TM_CLEAR_TASK_SET   = BIT(2),
1099         FCP_TM_LUN_RESET        = BIT(4),
1100         FCP_TM_TARGET_RESET     = BIT(5),       /* obsolete in FCP-3 */
1101         FCP_TM_CLEAR_ACA        = BIT(6),
1102 };
1103 
1104 /*
1105  * FCP_RSP residue flags
1106  */
1107 enum fcp_residue {
1108         FCP_NO_RESIDUE = 0,     /* no residue */
1109         FCP_RESID_OVER = 1,     /* more data left that was not sent */
1110         FCP_RESID_UNDER = 2,    /* less data than requested */
1111 };
1112 
1113 struct fcp_rspinfo_s {
1114         u32        res0:24;
1115         u32        rsp_code:8;          /* response code (as above) */
1116         u32        res1;
1117 };
1118 
1119 struct fcp_resp_s {
1120         u32        reserved[2];         /* 2 words reserved */
1121         u16        reserved2;
1122 #ifdef __BIG_ENDIAN
1123         u8         reserved3:3;
1124         u8         fcp_conf_req:1;      /* FCP_CONF is requested */
1125         u8         resid_flags:2;       /* underflow/overflow */
1126         u8         sns_len_valid:1;     /* sense len is valid */
1127         u8         rsp_len_valid:1;     /* response len is valid */
1128 #else
1129         u8         rsp_len_valid:1;     /* response len is valid */
1130         u8         sns_len_valid:1;     /* sense len is valid */
1131         u8         resid_flags:2;       /* underflow/overflow */
1132         u8         fcp_conf_req:1;      /* FCP_CONF is requested */
1133         u8         reserved3:3;
1134 #endif
1135         u8         scsi_status;         /* one byte SCSI status */
1136         u32        residue;             /* residual data bytes */
1137         u32        sns_len;             /* length od sense info */
1138         u32        rsp_len;             /* length of response info */
1139 };
1140 
1141 #define fcp_snslen(__fcprsp)    ((__fcprsp)->sns_len_valid ?            \
1142                                         (__fcprsp)->sns_len : 0)
1143 #define fcp_rsplen(__fcprsp)    ((__fcprsp)->rsp_len_valid ?            \
1144                                         (__fcprsp)->rsp_len : 0)
1145 #define fcp_rspinfo(__fcprsp)   ((struct fcp_rspinfo_s *)((__fcprsp) + 1))
1146 #define fcp_snsinfo(__fcprsp)   (((u8 *)fcp_rspinfo(__fcprsp)) +        \
1147                                                 fcp_rsplen(__fcprsp))
1148 /*
1149  * CT
1150  */
1151 struct ct_hdr_s {
1152         u32     rev_id:8;       /* Revision of the CT */
1153         u32     in_id:24;       /* Initiator Id */
1154         u32     gs_type:8;      /* Generic service Type */
1155         u32     gs_sub_type:8;  /* Generic service sub type */
1156         u32     options:8;      /* options */
1157         u32     rsvrd:8;        /* reserved */
1158         u32     cmd_rsp_code:16;/* ct command/response code */
1159         u32     max_res_size:16;/* maximum/residual size */
1160         u32     frag_id:8;      /* fragment ID */
1161         u32     reason_code:8;  /* reason code */
1162         u32     exp_code:8;     /* explanation code */
1163         u32     vendor_unq:8;   /* vendor unique */
1164 };
1165 
1166 /*
1167  * defines for the Revision
1168  */
1169 enum {
1170         CT_GS3_REVISION = 0x01,
1171 };
1172 
1173 /*
1174  * defines for gs_type
1175  */
1176 enum {
1177         CT_GSTYPE_KEYSERVICE    = 0xF7,
1178         CT_GSTYPE_ALIASSERVICE  = 0xF8,
1179         CT_GSTYPE_MGMTSERVICE   = 0xFA,
1180         CT_GSTYPE_TIMESERVICE   = 0xFB,
1181         CT_GSTYPE_DIRSERVICE    = 0xFC,
1182 };
1183 
1184 /*
1185  * defines for gs_sub_type for gs type directory service
1186  */
1187 enum {
1188         CT_GSSUBTYPE_NAMESERVER = 0x02,
1189 };
1190 
1191 /*
1192  * defines for gs_sub_type for gs type management service
1193  */
1194 enum {
1195         CT_GSSUBTYPE_CFGSERVER  = 0x01,
1196         CT_GSSUBTYPE_UNZONED_NS = 0x02,
1197         CT_GSSUBTYPE_ZONESERVER = 0x03,
1198         CT_GSSUBTYPE_LOCKSERVER = 0x04,
1199         CT_GSSUBTYPE_HBA_MGMTSERVER = 0x10,     /* for FDMI */
1200 };
1201 
1202 /*
1203  * defines for CT response code field
1204  */
1205 enum {
1206         CT_RSP_REJECT = 0x8001,
1207         CT_RSP_ACCEPT = 0x8002,
1208 };
1209 
1210 /*
1211  * defintions for CT reason code
1212  */
1213 enum {
1214         CT_RSN_INV_CMD          = 0x01,
1215         CT_RSN_INV_VER          = 0x02,
1216         CT_RSN_LOGIC_ERR        = 0x03,
1217         CT_RSN_INV_SIZE         = 0x04,
1218         CT_RSN_LOGICAL_BUSY     = 0x05,
1219         CT_RSN_PROTO_ERR        = 0x07,
1220         CT_RSN_UNABLE_TO_PERF   = 0x09,
1221         CT_RSN_NOT_SUPP         = 0x0B,
1222         CT_RSN_SERVER_NOT_AVBL  = 0x0D,
1223         CT_RSN_SESSION_COULD_NOT_BE_ESTBD = 0x0E,
1224         CT_RSN_VENDOR_SPECIFIC  = 0xFF,
1225 
1226 };
1227 
1228 /*
1229  * definitions for explanations code for Name server
1230  */
1231 enum {
1232         CT_NS_EXP_NOADDITIONAL  = 0x00,
1233         CT_NS_EXP_ID_NOT_REG    = 0x01,
1234         CT_NS_EXP_PN_NOT_REG    = 0x02,
1235         CT_NS_EXP_NN_NOT_REG    = 0x03,
1236         CT_NS_EXP_CS_NOT_REG    = 0x04,
1237         CT_NS_EXP_IPN_NOT_REG   = 0x05,
1238         CT_NS_EXP_IPA_NOT_REG   = 0x06,
1239         CT_NS_EXP_FT_NOT_REG    = 0x07,
1240         CT_NS_EXP_SPN_NOT_REG   = 0x08,
1241         CT_NS_EXP_SNN_NOT_REG   = 0x09,
1242         CT_NS_EXP_PT_NOT_REG    = 0x0A,
1243         CT_NS_EXP_IPP_NOT_REG   = 0x0B,
1244         CT_NS_EXP_FPN_NOT_REG   = 0x0C,
1245         CT_NS_EXP_HA_NOT_REG    = 0x0D,
1246         CT_NS_EXP_FD_NOT_REG    = 0x0E,
1247         CT_NS_EXP_FF_NOT_REG    = 0x0F,
1248         CT_NS_EXP_ACCESSDENIED  = 0x10,
1249         CT_NS_EXP_UNACCEPTABLE_ID = 0x11,
1250         CT_NS_EXP_DATABASEEMPTY         = 0x12,
1251         CT_NS_EXP_NOT_REG_IN_SCOPE      = 0x13,
1252         CT_NS_EXP_DOM_ID_NOT_PRESENT    = 0x14,
1253         CT_NS_EXP_PORT_NUM_NOT_PRESENT  = 0x15,
1254         CT_NS_EXP_NO_DEVICE_ATTACHED    = 0x16
1255 };
1256 
1257 /*
1258  * defintions for the explanation code for all servers
1259  */
1260 enum {
1261         CT_EXP_AUTH_EXCEPTION           = 0xF1,
1262         CT_EXP_DB_FULL                  = 0xF2,
1263         CT_EXP_DB_EMPTY                 = 0xF3,
1264         CT_EXP_PROCESSING_REQ           = 0xF4,
1265         CT_EXP_UNABLE_TO_VERIFY_CONN    = 0xF5,
1266         CT_EXP_DEVICES_NOT_IN_CMN_ZONE  = 0xF6
1267 };
1268 
1269 /*
1270  * Command codes for Name server
1271  */
1272 enum {
1273         GS_GID_PN       = 0x0121,       /* Get Id on port name */
1274         GS_GPN_ID       = 0x0112,       /* Get port name on ID */
1275         GS_GNN_ID       = 0x0113,       /* Get node name on ID */
1276         GS_GID_FT       = 0x0171,       /* Get Id on FC4 type */
1277         GS_GSPN_ID      = 0x0118,       /* Get symbolic PN on ID */
1278         GS_RFT_ID       = 0x0217,       /* Register fc4type on ID */
1279         GS_RSPN_ID      = 0x0218,       /* Register symbolic PN on ID */
1280         GS_RSNN_NN      = 0x0239,       /* Register symbolic NN on NN */
1281         GS_RPN_ID       = 0x0212,       /* Register port name */
1282         GS_RNN_ID       = 0x0213,       /* Register node name */
1283         GS_RCS_ID       = 0x0214,       /* Register class of service */
1284         GS_RPT_ID       = 0x021A,       /* Register port type */
1285         GS_GA_NXT       = 0x0100,       /* Get all next */
1286         GS_RFF_ID       = 0x021F,       /* Register FC4 Feature         */
1287 };
1288 
1289 struct fcgs_id_req_s {
1290         u32 rsvd:8;
1291         u32 dap:24; /* port identifier */
1292 };
1293 #define fcgs_gpnid_req_t struct fcgs_id_req_s
1294 #define fcgs_gnnid_req_t struct fcgs_id_req_s
1295 #define fcgs_gspnid_req_t struct fcgs_id_req_s
1296 
1297 struct fcgs_gidpn_req_s {
1298         wwn_t   port_name;      /* port wwn */
1299 };
1300 
1301 struct fcgs_gidpn_resp_s {
1302         u32     rsvd:8;
1303         u32     dap:24;         /* port identifier */
1304 };
1305 
1306 /*
1307  * RFT_ID
1308  */
1309 struct fcgs_rftid_req_s {
1310         u32     rsvd:8;
1311         u32     dap:24;         /* port identifier */
1312         __be32  fc4_type[8];    /* fc4 types */
1313 };
1314 
1315 /*
1316  * RFF_ID : Register FC4 features.
1317  */
1318 #define FC_GS_FCP_FC4_FEATURE_INITIATOR  0x02
1319 #define FC_GS_FCP_FC4_FEATURE_TARGET     0x01
1320 
1321 struct fcgs_rffid_req_s {
1322         u32     rsvd:8;
1323         u32     dap:24;         /* port identifier */
1324         u32     rsvd1:16;
1325         u32     fc4ftr_bits:8;  /* fc4 feature bits */
1326         u32     fc4_type:8;             /* corresponding FC4 Type */
1327 };
1328 
1329 /*
1330  * GID_FT Request
1331  */
1332 struct fcgs_gidft_req_s {
1333         u8      reserved;
1334         u8      domain_id;      /* domain, 0 - all fabric */
1335         u8      area_id;        /* area, 0 - whole domain */
1336         u8      fc4_type;       /* FC_TYPE_FCP for SCSI devices */
1337 };
1338 
1339 /*
1340  * GID_FT Response
1341  */
1342 struct fcgs_gidft_resp_s {
1343         u8      last:1;         /* last port identifier flag */
1344         u8      reserved:7;
1345         u32     pid:24;         /* port identifier */
1346 };
1347 
1348 /*
1349  * RSPN_ID
1350  */
1351 struct fcgs_rspnid_req_s {
1352         u32     rsvd:8;
1353         u32     dap:24;         /* port identifier */
1354         u8      spn_len;        /* symbolic port name length */
1355         u8      spn[256];       /* symbolic port name */
1356 };
1357 
1358 /*
1359  * RSNN_NN
1360  */
1361 struct fcgs_rsnn_nn_req_s {
1362         wwn_t   node_name;      /* Node name */
1363         u8      snn_len;        /* symbolic node name length */
1364         u8      snn[256];       /* symbolic node name */
1365 };
1366 
1367 /*
1368  * RPN_ID
1369  */
1370 struct fcgs_rpnid_req_s {
1371         u32     rsvd:8;
1372         u32     port_id:24;
1373         wwn_t   port_name;
1374 };
1375 
1376 /*
1377  * RNN_ID
1378  */
1379 struct fcgs_rnnid_req_s {
1380         u32     rsvd:8;
1381         u32     port_id:24;
1382         wwn_t   node_name;
1383 };
1384 
1385 /*
1386  * RCS_ID
1387  */
1388 struct fcgs_rcsid_req_s {
1389         u32     rsvd:8;
1390         u32     port_id:24;
1391         u32     cos;
1392 };
1393 
1394 /*
1395  * RPT_ID
1396  */
1397 struct fcgs_rptid_req_s {
1398         u32     rsvd:8;
1399         u32     port_id:24;
1400         u32     port_type:8;
1401         u32     rsvd1:24;
1402 };
1403 
1404 /*
1405  * GA_NXT Request
1406  */
1407 struct fcgs_ganxt_req_s {
1408         u32     rsvd:8;
1409         u32     port_id:24;
1410 };
1411 
1412 /*
1413  * GA_NXT Response
1414  */
1415 struct fcgs_ganxt_rsp_s {
1416         u32             port_type:8;    /* Port Type */
1417         u32             port_id:24;     /* Port Identifier */
1418         wwn_t           port_name;      /* Port Name */
1419         u8              spn_len;        /* Length of Symbolic Port Name */
1420         char            spn[255];       /* Symbolic Port Name */
1421         wwn_t           node_name;      /* Node Name */
1422         u8              snn_len;        /* Length of Symbolic Node Name */
1423         char            snn[255];       /* Symbolic Node Name */
1424         u8              ipa[8];         /* Initial Process Associator */
1425         u8              ip[16];         /* IP Address */
1426         u32             cos;            /* Class of Service */
1427         u32             fc4types[8];    /* FC-4 TYPEs */
1428         wwn_t           fabric_port_name; /* Fabric Port Name */
1429         u32             rsvd:8;         /* Reserved */
1430         u32             hard_addr:24;   /* Hard Address */
1431 };
1432 
1433 /*
1434  * Command codes for Fabric Configuration Server
1435  */
1436 enum {
1437         GS_FC_GFN_CMD   = 0x0114,       /* GS FC Get Fabric Name  */
1438         GS_FC_GMAL_CMD  = 0x0116,       /* GS FC GMAL  */
1439         GS_FC_TRACE_CMD = 0x0400,       /* GS FC Trace Route */
1440         GS_FC_PING_CMD  = 0x0401,       /* GS FC Ping */
1441 };
1442 
1443 /*
1444  * GMAL Command ( Get ( interconnect Element) Management Address List)
1445  * To retrieve the IP Address of a Switch.
1446  */
1447 #define CT_GMAL_RESP_PREFIX_TELNET       "telnet://"
1448 #define CT_GMAL_RESP_PREFIX_HTTP         "http://"
1449 
1450 /*  GMAL/GFN request */
1451 struct fcgs_req_s {
1452         wwn_t    wwn;   /* PWWN/NWWN */
1453 };
1454 
1455 #define fcgs_gmal_req_t struct fcgs_req_s
1456 #define fcgs_gfn_req_t struct fcgs_req_s
1457 
1458 /* Accept Response to GMAL */
1459 struct fcgs_gmal_resp_s {
1460         __be32  ms_len;   /* Num of entries */
1461         u8      ms_ma[256];
1462 };
1463 
1464 struct fcgs_gmal_entry_s {
1465         u8  len;
1466         u8  prefix[7]; /* like "http://" */
1467         u8  ip_addr[248];
1468 };
1469 
1470 /*
1471  * FDMI Command Codes
1472  */
1473 #define FDMI_GRHL               0x0100
1474 #define FDMI_GHAT               0x0101
1475 #define FDMI_GRPL               0x0102
1476 #define FDMI_GPAT               0x0110
1477 #define FDMI_RHBA               0x0200
1478 #define FDMI_RHAT               0x0201
1479 #define FDMI_RPRT               0x0210
1480 #define FDMI_RPA                0x0211
1481 #define FDMI_DHBA               0x0300
1482 #define FDMI_DPRT               0x0310
1483 
1484 /*
1485  * FDMI reason codes
1486  */
1487 #define FDMI_NO_ADDITIONAL_EXP          0x00
1488 #define FDMI_HBA_ALREADY_REG            0x10
1489 #define FDMI_HBA_ATTRIB_NOT_REG         0x11
1490 #define FDMI_HBA_ATTRIB_MULTIPLE        0x12
1491 #define FDMI_HBA_ATTRIB_LENGTH_INVALID  0x13
1492 #define FDMI_HBA_ATTRIB_NOT_PRESENT     0x14
1493 #define FDMI_PORT_ORIG_NOT_IN_LIST      0x15
1494 #define FDMI_PORT_HBA_NOT_IN_LIST       0x16
1495 #define FDMI_PORT_ATTRIB_NOT_REG        0x20
1496 #define FDMI_PORT_NOT_REG               0x21
1497 #define FDMI_PORT_ATTRIB_MULTIPLE       0x22
1498 #define FDMI_PORT_ATTRIB_LENGTH_INVALID 0x23
1499 #define FDMI_PORT_ALREADY_REGISTEREED   0x24
1500 
1501 /*
1502  * FDMI Transmission Speed Mask values
1503  */
1504 #define FDMI_TRANS_SPEED_1G             0x00000001
1505 #define FDMI_TRANS_SPEED_2G             0x00000002
1506 #define FDMI_TRANS_SPEED_10G            0x00000004
1507 #define FDMI_TRANS_SPEED_4G             0x00000008
1508 #define FDMI_TRANS_SPEED_8G             0x00000010
1509 #define FDMI_TRANS_SPEED_16G            0x00000020
1510 #define FDMI_TRANS_SPEED_UNKNOWN        0x00008000
1511 
1512 /*
1513  * FDMI HBA attribute types
1514  */
1515 enum fdmi_hba_attribute_type {
1516         FDMI_HBA_ATTRIB_NODENAME = 1,   /* 0x0001 */
1517         FDMI_HBA_ATTRIB_MANUFACTURER,   /* 0x0002 */
1518         FDMI_HBA_ATTRIB_SERIALNUM,      /* 0x0003 */
1519         FDMI_HBA_ATTRIB_MODEL,          /* 0x0004 */
1520         FDMI_HBA_ATTRIB_MODEL_DESC,     /* 0x0005 */
1521         FDMI_HBA_ATTRIB_HW_VERSION,     /* 0x0006 */
1522         FDMI_HBA_ATTRIB_DRIVER_VERSION, /* 0x0007 */
1523         FDMI_HBA_ATTRIB_ROM_VERSION,    /* 0x0008 */
1524         FDMI_HBA_ATTRIB_FW_VERSION,     /* 0x0009 */
1525         FDMI_HBA_ATTRIB_OS_NAME,        /* 0x000A */
1526         FDMI_HBA_ATTRIB_MAX_CT,         /* 0x000B */
1527         FDMI_HBA_ATTRIB_NODE_SYM_NAME,  /* 0x000C */
1528         FDMI_HBA_ATTRIB_VENDOR_INFO,    /* 0x000D */
1529         FDMI_HBA_ATTRIB_NUM_PORTS,  /* 0x000E */
1530         FDMI_HBA_ATTRIB_FABRIC_NAME,    /* 0x000F */
1531         FDMI_HBA_ATTRIB_BIOS_VER,   /* 0x0010 */
1532         FDMI_HBA_ATTRIB_VENDOR_ID = 0x00E0,
1533 
1534         FDMI_HBA_ATTRIB_MAX_TYPE
1535 };
1536 
1537 /*
1538  * FDMI Port attribute types
1539  */
1540 enum fdmi_port_attribute_type {
1541         FDMI_PORT_ATTRIB_FC4_TYPES = 1, /* 0x0001 */
1542         FDMI_PORT_ATTRIB_SUPP_SPEED,    /* 0x0002 */
1543         FDMI_PORT_ATTRIB_PORT_SPEED,    /* 0x0003 */
1544         FDMI_PORT_ATTRIB_FRAME_SIZE,    /* 0x0004 */
1545         FDMI_PORT_ATTRIB_DEV_NAME,      /* 0x0005 */
1546         FDMI_PORT_ATTRIB_HOST_NAME,     /* 0x0006 */
1547         FDMI_PORT_ATTRIB_NODE_NAME,     /* 0x0007 */
1548         FDMI_PORT_ATTRIB_PORT_NAME,     /* 0x0008 */
1549         FDMI_PORT_ATTRIB_PORT_SYM_NAME, /* 0x0009 */
1550         FDMI_PORT_ATTRIB_PORT_TYPE,     /* 0x000A */
1551         FDMI_PORT_ATTRIB_SUPP_COS,      /* 0x000B */
1552         FDMI_PORT_ATTRIB_PORT_FAB_NAME, /* 0x000C */
1553         FDMI_PORT_ATTRIB_PORT_FC4_TYPE, /* 0x000D */
1554         FDMI_PORT_ATTRIB_PORT_STATE = 0x101,    /* 0x0101 */
1555         FDMI_PORT_ATTRIB_PORT_NUM_RPRT = 0x102, /* 0x0102 */
1556 
1557         FDMI_PORT_ATTR_MAX_TYPE
1558 };
1559 
1560 /*
1561  * FDMI attribute
1562  */
1563 struct fdmi_attr_s {
1564         __be16        type;
1565         __be16        len;
1566         u8         value[1];
1567 };
1568 
1569 /*
1570  * HBA Attribute Block
1571  */
1572 struct fdmi_hba_attr_s {
1573         __be32        attr_count;       /* # of attributes */
1574         struct fdmi_attr_s hba_attr;    /* n attributes */
1575 };
1576 
1577 /*
1578  * Registered Port List
1579  */
1580 struct fdmi_port_list_s {
1581         __be32          num_ports;      /* number Of Port Entries */
1582         wwn_t           port_entry;     /* one or more */
1583 };
1584 
1585 /*
1586  * Port Attribute Block
1587  */
1588 struct fdmi_port_attr_s {
1589         __be32        attr_count;       /* # of attributes */
1590         struct fdmi_attr_s port_attr;   /* n attributes */
1591 };
1592 
1593 /*
1594  * FDMI Register HBA Attributes
1595  */
1596 struct fdmi_rhba_s {
1597         wwn_t                   hba_id;         /* HBA Identifier */
1598         struct fdmi_port_list_s port_list;      /* Registered Port List */
1599         struct fdmi_hba_attr_s hba_attr_blk;    /* HBA attribute block */
1600 };
1601 
1602 /*
1603  * FDMI Register Port
1604  */
1605 struct fdmi_rprt_s {
1606         wwn_t                   hba_id;         /* HBA Identifier */
1607         wwn_t                   port_name;      /* Port wwn */
1608         struct fdmi_port_attr_s port_attr_blk;  /* Port Attr Block */
1609 };
1610 
1611 /*
1612  * FDMI Register Port Attributes
1613  */
1614 struct fdmi_rpa_s {
1615         wwn_t                   port_name;      /* port wwn */
1616         struct fdmi_port_attr_s port_attr_blk;  /* Port Attr Block */
1617 };
1618 
1619 #pragma pack()
1620 
1621 #endif  /* __BFA_FC_H__ */

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