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 enum {
  32         BFI_IMAGE_CB_FC,
  33         BFI_IMAGE_CT_FC,
  34         BFI_IMAGE_CT_CNA,
  35         BFI_IMAGE_MAX,
  36 };
  37
  38 /*
  39  * Msg header common to all msgs
  40  */
  41 struct bfi_mhdr_s {
  42         u8              msg_class;      /*  @ref bfi_mclass_t               */
  43         u8              msg_id;         /*  msg opcode with in the class   */
  44         union {
  45                 struct {
  46                         u8      rsvd;
  47                         u8      lpu_id; /*  msg destination                 */
  48                 } h2i;
  49                 u16     i2htok; /*  token in msgs to host           */
  50         } mtag;
  51 };
  52
  53 #define bfi_h2i_set(_mh, _mc, _op, _lpuid) do {         \
  54         (_mh).msg_class         = (_mc);      \
  55         (_mh).msg_id            = (_op);      \
  56         (_mh).mtag.h2i.lpu_id   = (_lpuid);      \
  57 } while (0)
  58
  59 #define bfi_i2h_set(_mh, _mc, _op, _i2htok) do {                \
  60         (_mh).msg_class         = (_mc);      \
  61         (_mh).msg_id            = (_op);      \
  62         (_mh).mtag.i2htok       = (_i2htok);      \
  63 } while (0)
  64
  65 /*
  66  * Message opcodes: 0-127 to firmware, 128-255 to host
  67  */
  68 #define BFI_I2H_OPCODE_BASE     128
  69 #define BFA_I2HM(_x)            ((_x) + BFI_I2H_OPCODE_BASE)
  70
  71 /*
  72  ****************************************************************************
  73  *
  74  * Scatter Gather Element and Page definition
  75  *
  76  ****************************************************************************
  77  */
  78
  79 #define BFI_SGE_INLINE  1
  80 #define BFI_SGE_INLINE_MAX      (BFI_SGE_INLINE + 1)
  81
  82 /*
  83  * SG Flags
  84  */
  85 enum {
  86         BFI_SGE_DATA            = 0,    /*  data address, not last           */
  87         BFI_SGE_DATA_CPL        = 1,    /*  data addr, last in current page */
  88         BFI_SGE_DATA_LAST       = 3,    /*  data address, last               */
  89         BFI_SGE_LINK            = 2,    /*  link address                     */
  90         BFI_SGE_PGDLEN          = 2,    /*  cumulative data length for page */
  91 };
  92
  93 /*
  94  * DMA addresses
  95  */
  96 union bfi_addr_u {
  97         struct {
  98                 __be32  addr_lo;
  99                 __be32  addr_hi;
 100         } a32;
 101 };
 102
 103 /*
 104  * Scatter Gather Element
 105  */
 106 struct bfi_sge_s {
 107 #ifdef __BIG_ENDIAN
 108         u32     flags:2,
 109                         rsvd:2,
 110                         sg_len:28;
 111 #else
 112         u32     sg_len:28,
 113                         rsvd:2,
 114                         flags:2;
 115 #endif
 116         union bfi_addr_u sga;
 117 };
 118
 119 /*
 120  * Scatter Gather Page
 121  */
 122 #define BFI_SGPG_DATA_SGES              7
 123 #define BFI_SGPG_SGES_MAX               (BFI_SGPG_DATA_SGES + 1)
 124 #define BFI_SGPG_RSVD_WD_LEN    8
 125 struct bfi_sgpg_s {
 126         struct bfi_sge_s sges[BFI_SGPG_SGES_MAX];
 127         u32     rsvd[BFI_SGPG_RSVD_WD_LEN];
 128 };
 129
 130 /*
 131  * Large Message structure - 128 Bytes size Msgs
 132  */
 133 #define BFI_LMSG_SZ             128
 134 #define BFI_LMSG_PL_WSZ \
 135                         ((BFI_LMSG_SZ - sizeof(struct bfi_mhdr_s)) / 4)
 136
 137 struct bfi_msg_s {
 138         struct bfi_mhdr_s mhdr;
 139         u32     pl[BFI_LMSG_PL_WSZ];
 140 };
 141
 142 /*
 143  * Mailbox message structure
 144  */
 145 #define BFI_MBMSG_SZ            7
 146 struct bfi_mbmsg_s {
 147         struct bfi_mhdr_s       mh;
 148         u32             pl[BFI_MBMSG_SZ];
 149 };
 150
 151 /*
 152  * Message Classes
 153  */
 154 enum bfi_mclass {
 155         BFI_MC_IOC              = 1,    /*  IO Controller (IOC)     */
 156         BFI_MC_FCPORT           = 5,    /*  FC port                         */
 157         BFI_MC_IOCFC            = 6,    /*  FC - IO Controller (IOC)        */
 158         BFI_MC_LL               = 7,    /*  Link Layer                      */
 159         BFI_MC_UF               = 8,    /*  Unsolicited frame receive       */
 160         BFI_MC_FCXP             = 9,    /*  FC Transport                    */
 161         BFI_MC_LPS              = 10,   /*  lport fc login services         */
 162         BFI_MC_RPORT            = 11,   /*  Remote port             */
 163         BFI_MC_ITNIM            = 12,   /*  I-T nexus (Initiator mode)      */
 164         BFI_MC_IOIM_READ        = 13,   /*  read IO (Initiator mode)        */
 165         BFI_MC_IOIM_WRITE       = 14,   /*  write IO (Initiator mode)       */
 166         BFI_MC_IOIM_IO          = 15,   /*  IO (Initiator mode)     */
 167         BFI_MC_IOIM             = 16,   /*  IO (Initiator mode)     */
 168         BFI_MC_IOIM_IOCOM       = 17,   /*  good IO completion              */
 169         BFI_MC_TSKIM            = 18,   /*  Initiator Task management       */
 170         BFI_MC_PORT             = 21,   /*  Physical port                   */
 171         BFI_MC_MAX              = 32
 172 };
 173
 174 #define BFI_IOC_MAX_CQS         4
 175 #define BFI_IOC_MAX_CQS_ASIC    8
 176 #define BFI_IOC_MSGLEN_MAX      32      /* 32 bytes */
 177
 178 #define BFI_BOOT_TYPE_OFF               8
 179 #define BFI_BOOT_LOADER_OFF             12
 180
 181 #define BFI_BOOT_TYPE_NORMAL            0
 182 #define BFI_BOOT_TYPE_FLASH             1
 183 #define BFI_BOOT_TYPE_MEMTEST           2
 184
 185 #define BFI_BOOT_LOADER_OS              0
 186 #define BFI_BOOT_LOADER_BIOS            1
 187 #define BFI_BOOT_LOADER_UEFI            2
 188
 189 /*
 190  *----------------------------------------------------------------------
 191  *                              IOC
 192  *----------------------------------------------------------------------
 193  */
 194
 195 enum bfi_ioc_h2i_msgs {
 196         BFI_IOC_H2I_ENABLE_REQ          = 1,
 197         BFI_IOC_H2I_DISABLE_REQ         = 2,
 198         BFI_IOC_H2I_GETATTR_REQ         = 3,
 199         BFI_IOC_H2I_DBG_SYNC            = 4,
 200         BFI_IOC_H2I_DBG_DUMP            = 5,
 201 };
 202
 203 enum bfi_ioc_i2h_msgs {
 204         BFI_IOC_I2H_ENABLE_REPLY        = BFA_I2HM(1),
 205         BFI_IOC_I2H_DISABLE_REPLY       = BFA_I2HM(2),
 206         BFI_IOC_I2H_GETATTR_REPLY       = BFA_I2HM(3),
 207         BFI_IOC_I2H_READY_EVENT         = BFA_I2HM(4),
 208         BFI_IOC_I2H_HBEAT               = BFA_I2HM(5),
 209 };
 210
 211 /*
 212  * BFI_IOC_H2I_GETATTR_REQ message
 213  */
 214 struct bfi_ioc_getattr_req_s {
 215         struct bfi_mhdr_s       mh;
 216         union bfi_addr_u        attr_addr;
 217 };
 218
 219 struct bfi_ioc_attr_s {
 220         wwn_t           mfg_pwwn;       /*  Mfg port wwn           */
 221         wwn_t           mfg_nwwn;       /*  Mfg node wwn           */
 222         mac_t           mfg_mac;        /*  Mfg mac                */
 223         u16     rsvd_a;
 224         wwn_t           pwwn;
 225         wwn_t           nwwn;
 226         mac_t           mac;            /*  PBC or Mfg mac         */
 227         u16     rsvd_b;
 228         mac_t           fcoe_mac;
 229         u16     rsvd_c;
 230         char            brcd_serialnum[STRSZ(BFA_MFG_SERIALNUM_SIZE)];
 231         u8              pcie_gen;
 232         u8              pcie_lanes_orig;
 233         u8              pcie_lanes;
 234         u8              rx_bbcredit;    /*  receive buffer credits */
 235         u32     adapter_prop;   /*  adapter properties     */
 236         u16     maxfrsize;      /*  max receive frame size */
 237         char            asic_rev;
 238         u8              rsvd_d;
 239         char            fw_version[BFA_VERSION_LEN];
 240         char            optrom_version[BFA_VERSION_LEN];
 241         struct          bfa_mfg_vpd_s   vpd;
 242         u32     card_type;      /*  card type                   */
 243 };
 244
 245 /*
 246  * BFI_IOC_I2H_GETATTR_REPLY message
 247  */
 248 struct bfi_ioc_getattr_reply_s {
 249         struct  bfi_mhdr_s      mh;     /*  Common msg header           */
 250         u8                      status; /*  cfg reply status            */
 251         u8                      rsvd[3];
 252 };
 253
 254 /*
 255  * Firmware memory page offsets
 256  */
 257 #define BFI_IOC_SMEM_PG0_CB     (0x40)
 258 #define BFI_IOC_SMEM_PG0_CT     (0x180)
 259
 260 /*
 261  * Firmware statistic offset
 262  */
 263 #define BFI_IOC_FWSTATS_OFF     (0x6B40)
 264 #define BFI_IOC_FWSTATS_SZ      (4096)
 265
 266 /*
 267  * Firmware trace offset
 268  */
 269 #define BFI_IOC_TRC_OFF         (0x4b00)
 270 #define BFI_IOC_TRC_ENTS        256
 271
 272 #define BFI_IOC_FW_SIGNATURE    (0xbfadbfad)
 273 #define BFI_IOC_MD5SUM_SZ       4
 274 struct bfi_ioc_image_hdr_s {
 275         u32     signature;      /*  constant signature */
 276         u32     rsvd_a;
 277         u32     exec;           /*  exec vector */
 278         u32     param;          /*  parameters          */
 279         u32     rsvd_b[4];
 280         u32     md5sum[BFI_IOC_MD5SUM_SZ];
 281 };
 282
 283 /*
 284  *  BFI_IOC_I2H_READY_EVENT message
 285  */
 286 struct bfi_ioc_rdy_event_s {
 287         struct bfi_mhdr_s       mh;             /*  common msg header */
 288         u8                      init_status;    /*  init event status */
 289         u8                      rsvd[3];
 290 };
 291
 292 struct bfi_ioc_hbeat_s {
 293         struct bfi_mhdr_s  mh;          /*  common msg header           */
 294         u32        hb_count;    /*  current heart beat count    */
 295 };
 296
 297 /*
 298  * IOC hardware/firmware state
 299  */
 300 enum bfi_ioc_state {
 301         BFI_IOC_UNINIT          = 0,    /*  not initialized                  */
 302         BFI_IOC_INITING         = 1,    /*  h/w is being initialized         */
 303         BFI_IOC_HWINIT          = 2,    /*  h/w is initialized               */
 304         BFI_IOC_CFG             = 3,    /*  IOC configuration in progress   */
 305         BFI_IOC_OP              = 4,    /*  IOC is operational               */
 306         BFI_IOC_DISABLING       = 5,    /*  IOC is being disabled            */
 307         BFI_IOC_DISABLED        = 6,    /*  IOC is disabled                  */
 308         BFI_IOC_CFG_DISABLED    = 7,    /*  IOC is being disabled;transient */
 309         BFI_IOC_FAIL            = 8,    /*  IOC heart-beat failure           */
 310         BFI_IOC_MEMTEST         = 9,    /*  IOC is doing memtest             */
 311 };
 312
 313 #define BFI_IOC_ENDIAN_SIG  0x12345678
 314
 315 enum {
 316         BFI_ADAPTER_TYPE_FC     = 0x01,         /*  FC adapters    */
 317         BFI_ADAPTER_TYPE_MK     = 0x0f0000,     /*  adapter type mask     */
 318         BFI_ADAPTER_TYPE_SH     = 16,           /*  adapter type shift    */
 319         BFI_ADAPTER_NPORTS_MK   = 0xff00,       /*  number of ports mask  */
 320         BFI_ADAPTER_NPORTS_SH   = 8,            /*  number of ports shift */
 321         BFI_ADAPTER_SPEED_MK    = 0xff,         /*  adapter speed mask    */
 322         BFI_ADAPTER_SPEED_SH    = 0,            /*  adapter speed shift   */
 323         BFI_ADAPTER_PROTO       = 0x100000,     /*  prototype adapaters   */
 324         BFI_ADAPTER_TTV         = 0x200000,     /*  TTV debug capable     */
 325         BFI_ADAPTER_UNSUPP      = 0x400000,     /*  unknown adapter type  */
 326 };
 327
 328 #define BFI_ADAPTER_GETP(__prop, __adap_prop)                   \
 329         (((__adap_prop) & BFI_ADAPTER_ ## __prop ## _MK) >>     \
 330                 BFI_ADAPTER_ ## __prop ## _SH)
 331 #define BFI_ADAPTER_SETP(__prop, __val)                         \
 332         ((__val) << BFI_ADAPTER_ ## __prop ## _SH)
 333 #define BFI_ADAPTER_IS_PROTO(__adap_type)                       \
 334         ((__adap_type) & BFI_ADAPTER_PROTO)
 335 #define BFI_ADAPTER_IS_TTV(__adap_type)                         \
 336         ((__adap_type) & BFI_ADAPTER_TTV)
 337 #define BFI_ADAPTER_IS_UNSUPP(__adap_type)                      \
 338         ((__adap_type) & BFI_ADAPTER_UNSUPP)
 339 #define BFI_ADAPTER_IS_SPECIAL(__adap_type)                     \
 340         ((__adap_type) & (BFI_ADAPTER_TTV | BFI_ADAPTER_PROTO | \
 341                         BFI_ADAPTER_UNSUPP))
 342
 343 /*
 344  * BFI_IOC_H2I_ENABLE_REQ & BFI_IOC_H2I_DISABLE_REQ messages
 345  */
 346 struct bfi_ioc_ctrl_req_s {
 347         struct bfi_mhdr_s       mh;
 348         u8                      ioc_class;
 349         u8                      rsvd[3];
 350         u32             tv_sec;
 351 };
 352 #define bfi_ioc_enable_req_t struct bfi_ioc_ctrl_req_s;
 353 #define bfi_ioc_disable_req_t struct bfi_ioc_ctrl_req_s;
 354
 355 /*
 356  * BFI_IOC_I2H_ENABLE_REPLY & BFI_IOC_I2H_DISABLE_REPLY messages
 357  */
 358 struct bfi_ioc_ctrl_reply_s {
 359         struct bfi_mhdr_s       mh;             /*  Common msg header     */
 360         u8                      status;         /*  enable/disable status */
 361         u8                      rsvd[3];
 362 };
 363 #define bfi_ioc_enable_reply_t struct bfi_ioc_ctrl_reply_s;
 364 #define bfi_ioc_disable_reply_t struct bfi_ioc_ctrl_reply_s;
 365
 366 #define BFI_IOC_MSGSZ   8
 367 /*
 368  * H2I Messages
 369  */
 370 union bfi_ioc_h2i_msg_u {
 371         struct bfi_mhdr_s               mh;
 372         struct bfi_ioc_ctrl_req_s       enable_req;
 373         struct bfi_ioc_ctrl_req_s       disable_req;
 374         struct bfi_ioc_getattr_req_s    getattr_req;
 375         u32                     mboxmsg[BFI_IOC_MSGSZ];
 376 };
 377
 378 /*
 379  * I2H Messages
 380  */
 381 union bfi_ioc_i2h_msg_u {
 382         struct bfi_mhdr_s               mh;
 383         struct bfi_ioc_rdy_event_s      rdy_event;
 384         u32                     mboxmsg[BFI_IOC_MSGSZ];
 385 };
 386
 387
 388 /*
 389  *----------------------------------------------------------------------
 390  *                              PBC
 391  *----------------------------------------------------------------------
 392  */
 393
 394 #define BFI_PBC_MAX_BLUNS       8
 395 #define BFI_PBC_MAX_VPORTS      16
 396
 397 /*
 398  * PBC boot lun configuration
 399  */
 400 struct bfi_pbc_blun_s {
 401         wwn_t           tgt_pwwn;
 402         struct scsi_lun tgt_lun;
 403 };
 404
 405 /*
 406  * PBC virtual port configuration
 407  */
 408 struct bfi_pbc_vport_s {
 409         wwn_t           vp_pwwn;
 410         wwn_t           vp_nwwn;
 411 };
 412
 413 /*
 414  * BFI pre-boot configuration information
 415  */
 416 struct bfi_pbc_s {
 417         u8              port_enabled;
 418         u8              boot_enabled;
 419         u8              nbluns;
 420         u8              nvports;
 421         u8              port_speed;
 422         u8              rsvd_a;
 423         u16     hss;
 424         wwn_t           pbc_pwwn;
 425         wwn_t           pbc_nwwn;
 426         struct bfi_pbc_blun_s blun[BFI_PBC_MAX_BLUNS];
 427         struct bfi_pbc_vport_s vport[BFI_PBC_MAX_VPORTS];
 428 };
 429
 430 /*
 431  *----------------------------------------------------------------------
 432  *                              MSGQ
 433  *----------------------------------------------------------------------
 434  */
 435 #define BFI_MSGQ_FULL(_q)       (((_q->pi + 1) % _q->q_depth) == _q->ci)
 436 #define BFI_MSGQ_EMPTY(_q)      (_q->pi == _q->ci)
 437 #define BFI_MSGQ_UPDATE_CI(_q)  (_q->ci = (_q->ci + 1) % _q->q_depth)
 438 #define BFI_MSGQ_UPDATE_PI(_q)  (_q->pi = (_q->pi + 1) % _q->q_depth)
 439
 440 /* q_depth must be power of 2 */
 441 #define BFI_MSGQ_FREE_CNT(_q)   ((_q->ci - _q->pi - 1) & (_q->q_depth - 1))
 442
 443 enum bfi_msgq_h2i_msgs_e {
 444         BFI_MSGQ_H2I_INIT_REQ   = 1,
 445         BFI_MSGQ_H2I_DOORBELL   = 2,
 446         BFI_MSGQ_H2I_SHUTDOWN   = 3,
 447 };
 448
 449 enum bfi_msgq_i2h_msgs_e {
 450         BFI_MSGQ_I2H_INIT_RSP   = 1,
 451         BFI_MSGQ_I2H_DOORBELL   = 2,
 452 };
 453
 454
 455 /* Messages(commands/responsed/AENS will have the following header */
 456 struct bfi_msgq_mhdr_s {
 457         u8              msg_class;
 458         u8              msg_id;
 459         u16     msg_token;
 460         u16     num_entries;
 461         u8              enet_id;
 462         u8              rsvd[1];
 463 };
 464
 465 #define bfi_msgq_mhdr_set(_mh, _mc, _mid, _tok, _enet_id) do {        \
 466         (_mh).msg_class         = (_mc);      \
 467         (_mh).msg_id            = (_mid);      \
 468         (_mh).msg_token         = (_tok);      \
 469         (_mh).enet_id           = (_enet_id);      \
 470 } while (0)
 471
 472 /*
 473  * Mailbox  for messaging interface
 474  *
 475 */
 476 #define BFI_MSGQ_CMD_ENTRY_SIZE         (64)    /* TBD */
 477 #define BFI_MSGQ_RSP_ENTRY_SIZE         (64)    /* TBD */
 478 #define BFI_MSGQ_MSG_SIZE_MAX           (2048)  /* TBD */
 479
 480 struct bfi_msgq_s {
 481         union bfi_addr_u addr;
 482         u16 q_depth;     /* Total num of entries in the queue */
 483         u8 rsvd[2];
 484 };
 485
 486 /* BFI_ENET_MSGQ_CFG_REQ TBD init or cfg? */
 487 struct bfi_msgq_cfg_req_s {
 488         struct bfi_mhdr_s mh;
 489         struct bfi_msgq_s cmdq;
 490         struct bfi_msgq_s rspq;
 491 };
 492
 493 /* BFI_ENET_MSGQ_CFG_RSP */
 494 struct bfi_msgq_cfg_rsp_s {
 495         struct bfi_mhdr_s mh;
 496         u8 cmd_status;
 497         u8 rsvd[3];
 498 };
 499
 500
 501 /* BFI_MSGQ_H2I_DOORBELL */
 502 struct bfi_msgq_h2i_db_s {
 503         struct bfi_mhdr_s mh;
 504         u16 cmdq_pi;
 505         u16 rspq_ci;
 506 };
 507
 508 /* BFI_MSGQ_I2H_DOORBELL */
 509 struct bfi_msgq_i2h_db_s {
 510         struct bfi_mhdr_s mh;
 511         u16 rspq_pi;
 512         u16 cmdq_ci;
 513 };
 514
 515 #pragma pack()
 516
 517 /* BFI port specific */
 518 #pragma pack(1)
 519
 520 enum bfi_port_h2i {
 521         BFI_PORT_H2I_ENABLE_REQ         = (1),
 522         BFI_PORT_H2I_DISABLE_REQ        = (2),
 523         BFI_PORT_H2I_GET_STATS_REQ      = (3),
 524         BFI_PORT_H2I_CLEAR_STATS_REQ    = (4),
 525 };
 526
 527 enum bfi_port_i2h {
 528         BFI_PORT_I2H_ENABLE_RSP         = BFA_I2HM(1),
 529         BFI_PORT_I2H_DISABLE_RSP        = BFA_I2HM(2),
 530         BFI_PORT_I2H_GET_STATS_RSP      = BFA_I2HM(3),
 531         BFI_PORT_I2H_CLEAR_STATS_RSP    = BFA_I2HM(4),
 532 };
 533
 534 /*
 535  * Generic REQ type
 536  */
 537 struct bfi_port_generic_req_s {
 538         struct bfi_mhdr_s  mh;          /*  msg header          */
 539         u32     msgtag;         /*  msgtag for reply                */
 540         u32     rsvd;
 541 };
 542
 543 /*
 544  * Generic RSP type
 545  */
 546 struct bfi_port_generic_rsp_s {
 547         struct bfi_mhdr_s  mh;          /*  common msg header               */
 548         u8              status;         /*  port enable status              */
 549         u8              rsvd[3];
 550         u32     msgtag;         /*  msgtag for reply                */
 551 };
 552
 553 /*
 554  * BFI_PORT_H2I_GET_STATS_REQ
 555  */
 556 struct bfi_port_get_stats_req_s {
 557         struct bfi_mhdr_s  mh;          /*  common msg header               */
 558         union bfi_addr_u   dma_addr;
 559 };
 560
 561 union bfi_port_h2i_msg_u {
 562         struct bfi_mhdr_s               mh;
 563         struct bfi_port_generic_req_s   enable_req;
 564         struct bfi_port_generic_req_s   disable_req;
 565         struct bfi_port_get_stats_req_s getstats_req;
 566         struct bfi_port_generic_req_s   clearstats_req;
 567 };
 568
 569 union bfi_port_i2h_msg_u {
 570         struct bfi_mhdr_s               mh;
 571         struct bfi_port_generic_rsp_s   enable_rsp;
 572         struct bfi_port_generic_rsp_s   disable_rsp;
 573         struct bfi_port_generic_rsp_s   getstats_rsp;
 574         struct bfi_port_generic_rsp_s   clearstats_rsp;
 575 };
 576
 577 #pragma pack()
 578
 579 #endif /* __BFI_H__ */