drivers/scsi/bfa/bfi.h

   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 __BFI_H__
  19 #define __BFI_H__
  20
  21 #include "bfa_defs.h"
  22 #include "bfa_defs_svc.h"
  23
  24 #pragma pack(1)
  25
  26 /*
  27  * BFI FW image type
  28  */
  29 #define BFI_FLASH_CHUNK_SZ                      256     /*  Flash chunk size */
  30 #define BFI_FLASH_CHUNK_SZ_WORDS        (BFI_FLASH_CHUNK_SZ/sizeof(u32))
  31
  32 /*
  33  * Msg header common to all msgs
  34  */
  35 struct bfi_mhdr_s {
  36         u8              msg_class;      /*  @ref bfi_mclass_t               */
  37         u8              msg_id;         /*  msg opcode with in the class   */
  38         union {
  39                 struct {
  40                         u8      qid;
  41                         u8      lpu_id; /*  msg destination                 */
  42                 } h2i;
  43                 u16     i2htok; /*  token in msgs to host           */
  44         } mtag;
  45 };
  46
  47 #define bfi_mhdr_2_qid(_mh)     ((_mh)->mtag.h2i.qid)
  48
  49 #define bfi_h2i_set(_mh, _mc, _op, _lpuid) do {         \
  50         (_mh).msg_class         = (_mc);      \
  51         (_mh).msg_id            = (_op);      \
  52         (_mh).mtag.h2i.lpu_id   = (_lpuid);      \
  53 } while (0)
  54
  55 #define bfi_i2h_set(_mh, _mc, _op, _i2htok) do {                \
  56         (_mh).msg_class         = (_mc);      \
  57         (_mh).msg_id            = (_op);      \
  58         (_mh).mtag.i2htok       = (_i2htok);      \
  59 } while (0)
  60
  61 /*
  62  * Message opcodes: 0-127 to firmware, 128-255 to host
  63  */
  64 #define BFI_I2H_OPCODE_BASE     128
  65 #define BFA_I2HM(_x)            ((_x) + BFI_I2H_OPCODE_BASE)
  66
  67 /*
  68  ****************************************************************************
  69  *
  70  * Scatter Gather Element and Page definition
  71  *
  72  ****************************************************************************
  73  */
  74
  75 #define BFI_SGE_INLINE  1
  76 #define BFI_SGE_INLINE_MAX      (BFI_SGE_INLINE + 1)
  77
  78 /*
  79  * SG Flags
  80  */
  81 enum {
  82         BFI_SGE_DATA            = 0,    /*  data address, not last           */
  83         BFI_SGE_DATA_CPL        = 1,    /*  data addr, last in current page */
  84         BFI_SGE_DATA_LAST       = 3,    /*  data address, last               */
  85         BFI_SGE_LINK            = 2,    /*  link address                     */
  86         BFI_SGE_PGDLEN          = 2,    /*  cumulative data length for page */
  87 };
  88
  89 /*
  90  * DMA addresses
  91  */
  92 union bfi_addr_u {
  93         struct {
  94                 __be32  addr_lo;
  95                 __be32  addr_hi;
  96         } a32;
  97 };
  98
  99 /*
 100  * Scatter Gather Element used for fast-path IO requests
 101  */
 102 struct bfi_sge_s {
 103 #ifdef __BIG_ENDIAN
 104         u32     flags:2,
 105                         rsvd:2,
 106                         sg_len:28;
 107 #else
 108         u32     sg_len:28,
 109                         rsvd:2,
 110                         flags:2;
 111 #endif
 112         union bfi_addr_u sga;
 113 };
 114
 115 /**
 116  * Generic DMA addr-len pair.
 117  */
 118 struct bfi_alen_s {
 119         union bfi_addr_u        al_addr;        /* DMA addr of buffer   */
 120         u32                     al_len;         /* length of buffer     */
 121 };
 122
 123 /*
 124  * Scatter Gather Page
 125  */
 126 #define BFI_SGPG_DATA_SGES              7
 127 #define BFI_SGPG_SGES_MAX               (BFI_SGPG_DATA_SGES + 1)
 128 #define BFI_SGPG_RSVD_WD_LEN    8
 129 struct bfi_sgpg_s {
 130         struct bfi_sge_s sges[BFI_SGPG_SGES_MAX];
 131         u32     rsvd[BFI_SGPG_RSVD_WD_LEN];
 132 };
 133
 134 /*
 135  * Large Message structure - 128 Bytes size Msgs
 136  */
 137 #define BFI_LMSG_SZ             128
 138 #define BFI_LMSG_PL_WSZ \
 139                         ((BFI_LMSG_SZ - sizeof(struct bfi_mhdr_s)) / 4)
 140
 141 struct bfi_msg_s {
 142         struct bfi_mhdr_s mhdr;
 143         u32     pl[BFI_LMSG_PL_WSZ];
 144 };
 145
 146 /*
 147  * Mailbox message structure
 148  */
 149 #define BFI_MBMSG_SZ            7
 150 struct bfi_mbmsg_s {
 151         struct bfi_mhdr_s       mh;
 152         u32             pl[BFI_MBMSG_SZ];
 153 };
 154
 155 /*
 156  * Supported PCI function class codes (personality)
 157  */
 158 enum bfi_pcifn_class {
 159         BFI_PCIFN_CLASS_FC  = 0x0c04,
 160         BFI_PCIFN_CLASS_ETH = 0x0200,
 161 };
 162
 163 /*
 164  * Message Classes
 165  */
 166 enum bfi_mclass {
 167         BFI_MC_IOC              = 1,    /*  IO Controller (IOC)     */
 168         BFI_MC_FCPORT           = 5,    /*  FC port                         */
 169         BFI_MC_IOCFC            = 6,    /*  FC - IO Controller (IOC)        */
 170         BFI_MC_LL               = 7,    /*  Link Layer                      */
 171         BFI_MC_UF               = 8,    /*  Unsolicited frame receive       */
 172         BFI_MC_FCXP             = 9,    /*  FC Transport                    */
 173         BFI_MC_LPS              = 10,   /*  lport fc login services         */
 174         BFI_MC_RPORT            = 11,   /*  Remote port             */
 175         BFI_MC_ITN              = 12,   /*  I-T nexus (Initiator mode)      */
 176         BFI_MC_IOIM_READ        = 13,   /*  read IO (Initiator mode)        */
 177         BFI_MC_IOIM_WRITE       = 14,   /*  write IO (Initiator mode)       */
 178         BFI_MC_IOIM_IO          = 15,   /*  IO (Initiator mode)     */
 179         BFI_MC_IOIM             = 16,   /*  IO (Initiator mode)     */
 180         BFI_MC_IOIM_IOCOM       = 17,   /*  good IO completion              */
 181         BFI_MC_TSKIM            = 18,   /*  Initiator Task management       */
 182         BFI_MC_PORT             = 21,   /*  Physical port                   */
 183         BFI_MC_MAX              = 32
 184 };
 185
 186 #define BFI_IOC_MAX_CQS         4
 187 #define BFI_IOC_MAX_CQS_ASIC    8
 188 #define BFI_IOC_MSGLEN_MAX      32      /* 32 bytes */
 189
 190 /*
 191  *----------------------------------------------------------------------
 192  *                              IOC
 193  *----------------------------------------------------------------------
 194  */
 195
 196 /*
 197  * Different asic generations
 198  */
 199 enum bfi_asic_gen {
 200         BFI_ASIC_GEN_CB         = 1,    /* crossbow 8G FC               */
 201         BFI_ASIC_GEN_CT         = 2,    /* catapult 8G FC or 10G CNA    */
 202         BFI_ASIC_GEN_CT2        = 3,    /* catapult-2 16G FC or 10G CNA */
 203 };
 204
 205 enum bfi_asic_mode {
 206         BFI_ASIC_MODE_FC        = 1,    /* FC upto 8G speed             */
 207         BFI_ASIC_MODE_FC16      = 2,    /* FC upto 16G speed            */
 208         BFI_ASIC_MODE_ETH       = 3,    /* Ethernet ports               */
 209         BFI_ASIC_MODE_COMBO     = 4,    /* FC 16G and Ethernet 10G port */
 210 };
 211
 212 enum bfi_ioc_h2i_msgs {
 213         BFI_IOC_H2I_ENABLE_REQ          = 1,
 214         BFI_IOC_H2I_DISABLE_REQ         = 2,
 215         BFI_IOC_H2I_GETATTR_REQ         = 3,
 216         BFI_IOC_H2I_DBG_SYNC            = 4,
 217         BFI_IOC_H2I_DBG_DUMP            = 5,
 218 };
 219
 220 enum bfi_ioc_i2h_msgs {
 221         BFI_IOC_I2H_ENABLE_REPLY        = BFA_I2HM(1),
 222         BFI_IOC_I2H_DISABLE_REPLY       = BFA_I2HM(2),
 223         BFI_IOC_I2H_GETATTR_REPLY       = BFA_I2HM(3),
 224         BFI_IOC_I2H_HBEAT               = BFA_I2HM(4),
 225 };
 226
 227 /*
 228  * BFI_IOC_H2I_GETATTR_REQ message
 229  */
 230 struct bfi_ioc_getattr_req_s {
 231         struct bfi_mhdr_s       mh;
 232         union bfi_addr_u        attr_addr;
 233 };
 234
 235 struct bfi_ioc_attr_s {
 236         wwn_t           mfg_pwwn;       /*  Mfg port wwn           */
 237         wwn_t           mfg_nwwn;       /*  Mfg node wwn           */
 238         mac_t           mfg_mac;        /*  Mfg mac                */
 239         u16     rsvd_a;
 240         wwn_t           pwwn;
 241         wwn_t           nwwn;
 242         mac_t           mac;            /*  PBC or Mfg mac         */
 243         u16     rsvd_b;
 244         mac_t           fcoe_mac;
 245         u16     rsvd_c;
 246         char            brcd_serialnum[STRSZ(BFA_MFG_SERIALNUM_SIZE)];
 247         u8              pcie_gen;
 248         u8              pcie_lanes_orig;
 249         u8              pcie_lanes;
 250         u8              rx_bbcredit;    /*  receive buffer credits */
 251         u32     adapter_prop;   /*  adapter properties     */
 252         u16     maxfrsize;      /*  max receive frame size */
 253         char            asic_rev;
 254         u8              rsvd_d;
 255         char            fw_version[BFA_VERSION_LEN];
 256         char            optrom_version[BFA_VERSION_LEN];
 257         struct          bfa_mfg_vpd_s   vpd;
 258         u32     card_type;      /*  card type                   */
 259 };
 260
 261 /*
 262  * BFI_IOC_I2H_GETATTR_REPLY message
 263  */
 264 struct bfi_ioc_getattr_reply_s {
 265         struct  bfi_mhdr_s      mh;     /*  Common msg header           */
 266         u8                      status; /*  cfg reply status            */
 267         u8                      rsvd[3];
 268 };
 269
 270 /*
 271  * Firmware memory page offsets
 272  */
 273 #define BFI_IOC_SMEM_PG0_CB     (0x40)
 274 #define BFI_IOC_SMEM_PG0_CT     (0x180)
 275
 276 /*
 277  * Firmware statistic offset
 278  */
 279 #define BFI_IOC_FWSTATS_OFF     (0x6B40)
 280 #define BFI_IOC_FWSTATS_SZ      (4096)
 281
 282 /*
 283  * Firmware trace offset
 284  */
 285 #define BFI_IOC_TRC_OFF         (0x4b00)
 286 #define BFI_IOC_TRC_ENTS        256
 287
 288 #define BFI_IOC_FW_SIGNATURE    (0xbfadbfad)
 289 #define BFI_IOC_MD5SUM_SZ       4
 290 struct bfi_ioc_image_hdr_s {
 291         u32     signature;      /* constant signature           */
 292         u8      asic_gen;       /* asic generation              */
 293         u8      asic_mode;
 294         u8      port0_mode;     /* device mode for port 0       */
 295         u8      port1_mode;     /* device mode for port 1       */
 296         u32     exec;           /* exec vector                  */
 297         u32     bootenv;        /* fimware boot env             */
 298         u32     rsvd_b[4];
 299         u32     md5sum[BFI_IOC_MD5SUM_SZ];
 300 };
 301
 302 #define BFI_FWBOOT_DEVMODE_OFF          4
 303 #define BFI_FWBOOT_TYPE_OFF             8
 304 #define BFI_FWBOOT_ENV_OFF              12
 305 #define BFI_FWBOOT_DEVMODE(__asic_gen, __asic_mode, __p0_mode, __p1_mode) \
 306         (((u32)(__asic_gen)) << 24 |            \
 307          ((u32)(__asic_mode)) << 16 |           \
 308          ((u32)(__p0_mode)) << 8 |              \
 309          ((u32)(__p1_mode)))
 310
 311 #define BFI_FWBOOT_TYPE_NORMAL  0
 312 #define BFI_FWBOOT_TYPE_MEMTEST 1
 313 #define BFI_FWBOOT_ENV_OS       0
 314
 315 enum bfi_port_mode {
 316         BFI_PORT_MODE_FC        = 1,
 317         BFI_PORT_MODE_ETH       = 2,
 318 };
 319
 320 struct bfi_ioc_hbeat_s {
 321         struct bfi_mhdr_s  mh;          /*  common msg header           */
 322         u32        hb_count;    /*  current heart beat count    */
 323 };
 324
 325 /*
 326  * IOC hardware/firmware state
 327  */
 328 enum bfi_ioc_state {
 329         BFI_IOC_UNINIT          = 0,    /*  not initialized                  */
 330         BFI_IOC_INITING         = 1,    /*  h/w is being initialized         */
 331         BFI_IOC_HWINIT          = 2,    /*  h/w is initialized               */
 332         BFI_IOC_CFG             = 3,    /*  IOC configuration in progress   */
 333         BFI_IOC_OP              = 4,    /*  IOC is operational               */
 334         BFI_IOC_DISABLING       = 5,    /*  IOC is being disabled            */
 335         BFI_IOC_DISABLED        = 6,    /*  IOC is disabled                  */
 336         BFI_IOC_CFG_DISABLED    = 7,    /*  IOC is being disabled;transient */
 337         BFI_IOC_FAIL            = 8,    /*  IOC heart-beat failure           */
 338         BFI_IOC_MEMTEST         = 9,    /*  IOC is doing memtest             */
 339 };
 340
 341 #define BFI_IOC_ENDIAN_SIG  0x12345678
 342
 343 enum {
 344         BFI_ADAPTER_TYPE_FC     = 0x01,         /*  FC adapters    */
 345         BFI_ADAPTER_TYPE_MK     = 0x0f0000,     /*  adapter type mask     */
 346         BFI_ADAPTER_TYPE_SH     = 16,           /*  adapter type shift    */
 347         BFI_ADAPTER_NPORTS_MK   = 0xff00,       /*  number of ports mask  */
 348         BFI_ADAPTER_NPORTS_SH   = 8,            /*  number of ports shift */
 349         BFI_ADAPTER_SPEED_MK    = 0xff,         /*  adapter speed mask    */
 350         BFI_ADAPTER_SPEED_SH    = 0,            /*  adapter speed shift   */
 351         BFI_ADAPTER_PROTO       = 0x100000,     /*  prototype adapaters   */
 352         BFI_ADAPTER_TTV         = 0x200000,     /*  TTV debug capable     */
 353         BFI_ADAPTER_UNSUPP      = 0x400000,     /*  unknown adapter type  */
 354 };
 355
 356 #define BFI_ADAPTER_GETP(__prop, __adap_prop)                   \
 357         (((__adap_prop) & BFI_ADAPTER_ ## __prop ## _MK) >>     \
 358                 BFI_ADAPTER_ ## __prop ## _SH)
 359 #define BFI_ADAPTER_SETP(__prop, __val)                         \
 360         ((__val) << BFI_ADAPTER_ ## __prop ## _SH)
 361 #define BFI_ADAPTER_IS_PROTO(__adap_type)                       \
 362         ((__adap_type) & BFI_ADAPTER_PROTO)
 363 #define BFI_ADAPTER_IS_TTV(__adap_type)                         \
 364         ((__adap_type) & BFI_ADAPTER_TTV)
 365 #define BFI_ADAPTER_IS_UNSUPP(__adap_type)                      \
 366         ((__adap_type) & BFI_ADAPTER_UNSUPP)
 367 #define BFI_ADAPTER_IS_SPECIAL(__adap_type)                     \
 368         ((__adap_type) & (BFI_ADAPTER_TTV | BFI_ADAPTER_PROTO | \
 369                         BFI_ADAPTER_UNSUPP))
 370
 371 /*
 372  * BFI_IOC_H2I_ENABLE_REQ & BFI_IOC_H2I_DISABLE_REQ messages
 373  */
 374 struct bfi_ioc_ctrl_req_s {
 375         struct bfi_mhdr_s       mh;
 376         u16                     clscode;
 377         u16                     rsvd;
 378         u32             tv_sec;
 379 };
 380 #define bfi_ioc_enable_req_t struct bfi_ioc_ctrl_req_s;
 381 #define bfi_ioc_disable_req_t struct bfi_ioc_ctrl_req_s;
 382
 383 /*
 384  * BFI_IOC_I2H_ENABLE_REPLY & BFI_IOC_I2H_DISABLE_REPLY messages
 385  */
 386 struct bfi_ioc_ctrl_reply_s {
 387         struct bfi_mhdr_s       mh;             /*  Common msg header     */
 388         u8                      status;         /*  enable/disable status */
 389         u8                      rsvd[3];
 390 };
 391 #define bfi_ioc_enable_reply_t struct bfi_ioc_ctrl_reply_s;
 392 #define bfi_ioc_disable_reply_t struct bfi_ioc_ctrl_reply_s;
 393
 394 #define BFI_IOC_MSGSZ   8
 395 /*
 396  * H2I Messages
 397  */
 398 union bfi_ioc_h2i_msg_u {
 399         struct bfi_mhdr_s               mh;
 400         struct bfi_ioc_ctrl_req_s       enable_req;
 401         struct bfi_ioc_ctrl_req_s       disable_req;
 402         struct bfi_ioc_getattr_req_s    getattr_req;
 403         u32                     mboxmsg[BFI_IOC_MSGSZ];
 404 };
 405
 406 /*
 407  * I2H Messages
 408  */
 409 union bfi_ioc_i2h_msg_u {
 410         struct bfi_mhdr_s               mh;
 411         struct bfi_ioc_ctrl_reply_s     rdy_event;
 412         u32                     mboxmsg[BFI_IOC_MSGSZ];
 413 };
 414
 415
 416 /*
 417  *----------------------------------------------------------------------
 418  *                              PBC
 419  *----------------------------------------------------------------------
 420  */
 421
 422 #define BFI_PBC_MAX_BLUNS       8
 423 #define BFI_PBC_MAX_VPORTS      16
 424 #define BFI_PBC_PORT_DISABLED   2
 425
 426 /*
 427  * PBC boot lun configuration
 428  */
 429 struct bfi_pbc_blun_s {
 430         wwn_t           tgt_pwwn;
 431         struct scsi_lun tgt_lun;
 432 };
 433
 434 /*
 435  * PBC virtual port configuration
 436  */
 437 struct bfi_pbc_vport_s {
 438         wwn_t           vp_pwwn;
 439         wwn_t           vp_nwwn;
 440 };
 441
 442 /*
 443  * BFI pre-boot configuration information
 444  */
 445 struct bfi_pbc_s {
 446         u8              port_enabled;
 447         u8              boot_enabled;
 448         u8              nbluns;
 449         u8              nvports;
 450         u8              port_speed;
 451         u8              rsvd_a;
 452         u16     hss;
 453         wwn_t           pbc_pwwn;
 454         wwn_t           pbc_nwwn;
 455         struct bfi_pbc_blun_s blun[BFI_PBC_MAX_BLUNS];
 456         struct bfi_pbc_vport_s vport[BFI_PBC_MAX_VPORTS];
 457 };
 458
 459 /*
 460  *----------------------------------------------------------------------
 461  *                              MSGQ
 462  *----------------------------------------------------------------------
 463  */
 464 #define BFI_MSGQ_FULL(_q)       (((_q->pi + 1) % _q->q_depth) == _q->ci)
 465 #define BFI_MSGQ_EMPTY(_q)      (_q->pi == _q->ci)
 466 #define BFI_MSGQ_UPDATE_CI(_q)  (_q->ci = (_q->ci + 1) % _q->q_depth)
 467 #define BFI_MSGQ_UPDATE_PI(_q)  (_q->pi = (_q->pi + 1) % _q->q_depth)
 468
 469 /* q_depth must be power of 2 */
 470 #define BFI_MSGQ_FREE_CNT(_q)   ((_q->ci - _q->pi - 1) & (_q->q_depth - 1))
 471
 472 enum bfi_msgq_h2i_msgs_e {
 473         BFI_MSGQ_H2I_INIT_REQ   = 1,
 474         BFI_MSGQ_H2I_DOORBELL   = 2,
 475         BFI_MSGQ_H2I_SHUTDOWN   = 3,
 476 };
 477
 478 enum bfi_msgq_i2h_msgs_e {
 479         BFI_MSGQ_I2H_INIT_RSP   = 1,
 480         BFI_MSGQ_I2H_DOORBELL   = 2,
 481 };
 482
 483
 484 /* Messages(commands/responsed/AENS will have the following header */
 485 struct bfi_msgq_mhdr_s {
 486         u8              msg_class;
 487         u8              msg_id;
 488         u16     msg_token;
 489         u16     num_entries;
 490         u8              enet_id;
 491         u8              rsvd[1];
 492 };
 493
 494 #define bfi_msgq_mhdr_set(_mh, _mc, _mid, _tok, _enet_id) do {        \
 495         (_mh).msg_class         = (_mc);      \
 496         (_mh).msg_id            = (_mid);      \
 497         (_mh).msg_token         = (_tok);      \
 498         (_mh).enet_id           = (_enet_id);      \
 499 } while (0)
 500
 501 /*
 502  * Mailbox  for messaging interface
 503  *
 504 */
 505 #define BFI_MSGQ_CMD_ENTRY_SIZE         (64)    /* TBD */
 506 #define BFI_MSGQ_RSP_ENTRY_SIZE         (64)    /* TBD */
 507 #define BFI_MSGQ_MSG_SIZE_MAX           (2048)  /* TBD */
 508
 509 struct bfi_msgq_s {
 510         union bfi_addr_u addr;
 511         u16 q_depth;     /* Total num of entries in the queue */
 512         u8 rsvd[2];
 513 };
 514
 515 /* BFI_ENET_MSGQ_CFG_REQ TBD init or cfg? */
 516 struct bfi_msgq_cfg_req_s {
 517         struct bfi_mhdr_s mh;
 518         struct bfi_msgq_s cmdq;
 519         struct bfi_msgq_s rspq;
 520 };
 521
 522 /* BFI_ENET_MSGQ_CFG_RSP */
 523 struct bfi_msgq_cfg_rsp_s {
 524         struct bfi_mhdr_s mh;
 525         u8 cmd_status;
 526         u8 rsvd[3];
 527 };
 528
 529
 530 /* BFI_MSGQ_H2I_DOORBELL */
 531 struct bfi_msgq_h2i_db_s {
 532         struct bfi_mhdr_s mh;
 533         u16 cmdq_pi;
 534         u16 rspq_ci;
 535 };
 536
 537 /* BFI_MSGQ_I2H_DOORBELL */
 538 struct bfi_msgq_i2h_db_s {
 539         struct bfi_mhdr_s mh;
 540         u16 rspq_pi;
 541         u16 cmdq_ci;
 542 };
 543
 544 #pragma pack()
 545
 546 /* BFI port specific */
 547 #pragma pack(1)
 548
 549 enum bfi_port_h2i {
 550         BFI_PORT_H2I_ENABLE_REQ         = (1),
 551         BFI_PORT_H2I_DISABLE_REQ        = (2),
 552         BFI_PORT_H2I_GET_STATS_REQ      = (3),
 553         BFI_PORT_H2I_CLEAR_STATS_REQ    = (4),
 554 };
 555
 556 enum bfi_port_i2h {
 557         BFI_PORT_I2H_ENABLE_RSP         = BFA_I2HM(1),
 558         BFI_PORT_I2H_DISABLE_RSP        = BFA_I2HM(2),
 559         BFI_PORT_I2H_GET_STATS_RSP      = BFA_I2HM(3),
 560         BFI_PORT_I2H_CLEAR_STATS_RSP    = BFA_I2HM(4),
 561 };
 562
 563 /*
 564  * Generic REQ type
 565  */
 566 struct bfi_port_generic_req_s {
 567         struct bfi_mhdr_s  mh;          /*  msg header          */
 568         u32     msgtag;         /*  msgtag for reply                */
 569         u32     rsvd;
 570 };
 571
 572 /*
 573  * Generic RSP type
 574  */
 575 struct bfi_port_generic_rsp_s {
 576         struct bfi_mhdr_s  mh;          /*  common msg header               */
 577         u8              status;         /*  port enable status              */
 578         u8              rsvd[3];
 579         u32     msgtag;         /*  msgtag for reply                */
 580 };
 581
 582 /*
 583  * BFI_PORT_H2I_GET_STATS_REQ
 584  */
 585 struct bfi_port_get_stats_req_s {
 586         struct bfi_mhdr_s  mh;          /*  common msg header               */
 587         union bfi_addr_u   dma_addr;
 588 };
 589
 590 union bfi_port_h2i_msg_u {
 591         struct bfi_mhdr_s               mh;
 592         struct bfi_port_generic_req_s   enable_req;
 593         struct bfi_port_generic_req_s   disable_req;
 594         struct bfi_port_get_stats_req_s getstats_req;
 595         struct bfi_port_generic_req_s   clearstats_req;
 596 };
 597
 598 union bfi_port_i2h_msg_u {
 599         struct bfi_mhdr_s               mh;
 600         struct bfi_port_generic_rsp_s   enable_rsp;
 601         struct bfi_port_generic_rsp_s   disable_rsp;
 602         struct bfi_port_generic_rsp_s   getstats_rsp;
 603         struct bfi_port_generic_rsp_s   clearstats_rsp;
 604 };
 605
 606 #pragma pack()
 607
 608 #endif /* __BFI_H__ */