linux/drivers/scsi/bfa/bfa_svc.h
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   1/*
   2 * Copyright (c) 2005-2010 Brocade Communications Systems, Inc.
   3 * All rights reserved
   4 * www.brocade.com
   5 *
   6 * Linux driver for Brocade Fibre Channel Host Bus Adapter.
   7 *
   8 * This program is free software; you can redistribute it and/or modify it
   9 * under the terms of the GNU General Public License (GPL) Version 2 as
  10 * published by the Free Software Foundation
  11 *
  12 * This program is distributed in the hope that it will be useful, but
  13 * WITHOUT ANY WARRANTY; without even the implied warranty of
  14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15 * General Public License for more details.
  16 */
  17
  18#ifndef __BFA_SVC_H__
  19#define __BFA_SVC_H__
  20
  21#include "bfa_cs.h"
  22#include "bfi_ms.h"
  23
  24
  25/*
  26 * Scatter-gather DMA related defines
  27 */
  28#define BFA_SGPG_MIN    (16)
  29#define BFA_SGPG_MAX    (8192)
  30
  31/*
  32 * Alignment macro for SG page allocation
  33 */
  34#define BFA_SGPG_ROUNDUP(_l) (((_l) + (sizeof(struct bfi_sgpg_s) - 1))  \
  35                              & ~(sizeof(struct bfi_sgpg_s) - 1))
  36
  37struct bfa_sgpg_wqe_s {
  38        struct list_head qe;    /*  queue sg page element       */
  39        int     nsgpg;          /*  pages to be allocated       */
  40        int     nsgpg_total;    /*  total pages required        */
  41        void    (*cbfn) (void *cbarg);  /*  callback function   */
  42        void    *cbarg;         /*  callback arg                */
  43        struct list_head sgpg_q;        /*  queue of alloced sgpgs      */
  44};
  45
  46struct bfa_sgpg_s {
  47        struct list_head  qe;   /*  queue sg page element       */
  48        struct bfi_sgpg_s *sgpg;        /*  va of SG page               */
  49        union bfi_addr_u sgpg_pa;       /*  pa of SG page               */
  50};
  51
  52/*
  53 * Given number of SG elements, BFA_SGPG_NPAGE() returns the number of
  54 * SG pages required.
  55 */
  56#define BFA_SGPG_NPAGE(_nsges)  (((_nsges) / BFI_SGPG_DATA_SGES) + 1)
  57
  58/* Max SGPG dma segs required */
  59#define BFA_SGPG_DMA_SEGS       \
  60        BFI_MEM_DMA_NSEGS(BFA_SGPG_MAX, (uint32_t)sizeof(struct bfi_sgpg_s))
  61
  62struct bfa_sgpg_mod_s {
  63        struct bfa_s *bfa;
  64        int             num_sgpgs;      /*  number of SG pages          */
  65        int             free_sgpgs;     /*  number of free SG pages     */
  66        struct list_head        sgpg_q;         /*  queue of free SG pages */
  67        struct list_head        sgpg_wait_q;    /*  wait queue for SG pages */
  68        struct bfa_mem_dma_s    dma_seg[BFA_SGPG_DMA_SEGS];
  69        struct bfa_mem_kva_s    kva_seg;
  70};
  71#define BFA_SGPG_MOD(__bfa)     (&(__bfa)->modules.sgpg_mod)
  72#define BFA_MEM_SGPG_KVA(__bfa) (&(BFA_SGPG_MOD(__bfa)->kva_seg))
  73
  74bfa_status_t bfa_sgpg_malloc(struct bfa_s *bfa, struct list_head *sgpg_q,
  75                             int nsgpgs);
  76void bfa_sgpg_mfree(struct bfa_s *bfa, struct list_head *sgpg_q, int nsgpgs);
  77void bfa_sgpg_winit(struct bfa_sgpg_wqe_s *wqe,
  78                    void (*cbfn) (void *cbarg), void *cbarg);
  79void bfa_sgpg_wait(struct bfa_s *bfa, struct bfa_sgpg_wqe_s *wqe, int nsgpgs);
  80void bfa_sgpg_wcancel(struct bfa_s *bfa, struct bfa_sgpg_wqe_s *wqe);
  81
  82
  83/*
  84 * FCXP related defines
  85 */
  86#define BFA_FCXP_MIN            (1)
  87#define BFA_FCXP_MAX            (256)
  88#define BFA_FCXP_MAX_IBUF_SZ    (2 * 1024 + 256)
  89#define BFA_FCXP_MAX_LBUF_SZ    (4 * 1024 + 256)
  90
  91/* Max FCXP dma segs required */
  92#define BFA_FCXP_DMA_SEGS                                               \
  93        BFI_MEM_DMA_NSEGS(BFA_FCXP_MAX,                                 \
  94                (u32)BFA_FCXP_MAX_IBUF_SZ + BFA_FCXP_MAX_LBUF_SZ)
  95
  96struct bfa_fcxp_mod_s {
  97        struct bfa_s      *bfa;         /* backpointer to BFA */
  98        struct bfa_fcxp_s *fcxp_list;   /* array of FCXPs */
  99        u16     num_fcxps;      /* max num FCXP requests */
 100        struct list_head  fcxp_free_q;  /* free FCXPs */
 101        struct list_head  fcxp_active_q;        /* active FCXPs */
 102        struct list_head  wait_q;               /* wait queue for free fcxp */
 103        struct list_head fcxp_unused_q; /* unused fcxps */
 104        u32     req_pld_sz;
 105        u32     rsp_pld_sz;
 106        struct bfa_mem_dma_s dma_seg[BFA_FCXP_DMA_SEGS];
 107        struct bfa_mem_kva_s kva_seg;
 108};
 109
 110#define BFA_FCXP_MOD(__bfa)             (&(__bfa)->modules.fcxp_mod)
 111#define BFA_FCXP_FROM_TAG(__mod, __tag) (&(__mod)->fcxp_list[__tag])
 112#define BFA_MEM_FCXP_KVA(__bfa) (&(BFA_FCXP_MOD(__bfa)->kva_seg))
 113
 114typedef void    (*fcxp_send_cb_t) (struct bfa_s *ioc, struct bfa_fcxp_s *fcxp,
 115                                   void *cb_arg, bfa_status_t req_status,
 116                                   u32 rsp_len, u32 resid_len,
 117                                   struct fchs_s *rsp_fchs);
 118
 119typedef u64 (*bfa_fcxp_get_sgaddr_t) (void *bfad_fcxp, int sgeid);
 120typedef u32 (*bfa_fcxp_get_sglen_t) (void *bfad_fcxp, int sgeid);
 121typedef void (*bfa_cb_fcxp_send_t) (void *bfad_fcxp, struct bfa_fcxp_s *fcxp,
 122                                    void *cbarg, enum bfa_status req_status,
 123                                    u32 rsp_len, u32 resid_len,
 124                                    struct fchs_s *rsp_fchs);
 125typedef void (*bfa_fcxp_alloc_cbfn_t) (void *cbarg, struct bfa_fcxp_s *fcxp);
 126
 127
 128
 129/*
 130 * Information needed for a FCXP request
 131 */
 132struct bfa_fcxp_req_info_s {
 133        struct bfa_rport_s *bfa_rport;
 134                                        /* Pointer to the bfa rport that was
 135                                         * returned from bfa_rport_create().
 136                                         * This could be left NULL for WKA or
 137                                         * for FCXP interactions before the
 138                                         * rport nexus is established
 139                                         */
 140        struct fchs_s   fchs;   /*  request FC header structure */
 141        u8              cts;    /*  continuous sequence */
 142        u8              class;  /*  FC class for the request/response */
 143        u16     max_frmsz;      /*  max send frame size */
 144        u16     vf_id;  /*  vsan tag if applicable */
 145        u8              lp_tag; /*  lport tag */
 146        u32     req_tot_len;    /*  request payload total length */
 147};
 148
 149struct bfa_fcxp_rsp_info_s {
 150        struct fchs_s   rsp_fchs;
 151                                /* Response frame's FC header will
 152                                 * be sent back in this field */
 153        u8              rsp_timeout;
 154                                /* timeout in seconds, 0-no response */
 155        u8              rsvd2[3];
 156        u32     rsp_maxlen;     /*  max response length expected */
 157};
 158
 159struct bfa_fcxp_s {
 160        struct list_head        qe;             /*  fcxp queue element */
 161        bfa_sm_t        sm;             /*  state machine */
 162        void            *caller;        /*  driver or fcs */
 163        struct bfa_fcxp_mod_s *fcxp_mod;
 164        /*  back pointer to fcxp mod */
 165        u16     fcxp_tag;       /*  internal tag */
 166        struct bfa_fcxp_req_info_s req_info;
 167        /*  request info */
 168        struct bfa_fcxp_rsp_info_s rsp_info;
 169        /*  response info */
 170        u8      use_ireqbuf;    /*  use internal req buf */
 171        u8              use_irspbuf;    /*  use internal rsp buf */
 172        u32     nreq_sgles;     /*  num request SGLEs */
 173        u32     nrsp_sgles;     /*  num response SGLEs */
 174        struct list_head req_sgpg_q;    /*  SG pages for request buf */
 175        struct list_head req_sgpg_wqe;  /*  wait queue for req SG page */
 176        struct list_head rsp_sgpg_q;    /*  SG pages for response buf */
 177        struct list_head rsp_sgpg_wqe;  /*  wait queue for rsp SG page */
 178
 179        bfa_fcxp_get_sgaddr_t req_sga_cbfn;
 180        /*  SG elem addr user function */
 181        bfa_fcxp_get_sglen_t req_sglen_cbfn;
 182        /*  SG elem len user function */
 183        bfa_fcxp_get_sgaddr_t rsp_sga_cbfn;
 184        /*  SG elem addr user function */
 185        bfa_fcxp_get_sglen_t rsp_sglen_cbfn;
 186        /*  SG elem len user function */
 187        bfa_cb_fcxp_send_t send_cbfn;   /*  send completion callback */
 188        void            *send_cbarg;    /*  callback arg */
 189        struct bfa_sge_s   req_sge[BFA_FCXP_MAX_SGES];
 190        /*  req SG elems */
 191        struct bfa_sge_s   rsp_sge[BFA_FCXP_MAX_SGES];
 192        /*  rsp SG elems */
 193        u8              rsp_status;     /*  comp: rsp status */
 194        u32     rsp_len;        /*  comp: actual response len */
 195        u32     residue_len;    /*  comp: residual rsp length */
 196        struct fchs_s   rsp_fchs;       /*  comp: response fchs */
 197        struct bfa_cb_qe_s    hcb_qe;   /*  comp: callback qelem */
 198        struct bfa_reqq_wait_s  reqq_wqe;
 199        bfa_boolean_t   reqq_waiting;
 200};
 201
 202struct bfa_fcxp_wqe_s {
 203        struct list_head                qe;
 204        bfa_fcxp_alloc_cbfn_t   alloc_cbfn;
 205        void            *alloc_cbarg;
 206        void            *caller;
 207        struct bfa_s    *bfa;
 208        int             nreq_sgles;
 209        int             nrsp_sgles;
 210        bfa_fcxp_get_sgaddr_t   req_sga_cbfn;
 211        bfa_fcxp_get_sglen_t    req_sglen_cbfn;
 212        bfa_fcxp_get_sgaddr_t   rsp_sga_cbfn;
 213        bfa_fcxp_get_sglen_t    rsp_sglen_cbfn;
 214};
 215
 216#define BFA_FCXP_REQ_PLD(_fcxp)         (bfa_fcxp_get_reqbuf(_fcxp))
 217#define BFA_FCXP_RSP_FCHS(_fcxp)        (&((_fcxp)->rsp_info.fchs))
 218#define BFA_FCXP_RSP_PLD(_fcxp)         (bfa_fcxp_get_rspbuf(_fcxp))
 219
 220#define BFA_FCXP_REQ_PLD_PA(_fcxp)                                            \
 221        bfa_mem_get_dmabuf_pa((_fcxp)->fcxp_mod, (_fcxp)->fcxp_tag,           \
 222                (_fcxp)->fcxp_mod->req_pld_sz + (_fcxp)->fcxp_mod->rsp_pld_sz)
 223
 224/* fcxp_buf = req_buf + rsp_buf :- add req_buf_sz to get to rsp_buf */
 225#define BFA_FCXP_RSP_PLD_PA(_fcxp)                                             \
 226        (bfa_mem_get_dmabuf_pa((_fcxp)->fcxp_mod, (_fcxp)->fcxp_tag,           \
 227              (_fcxp)->fcxp_mod->req_pld_sz + (_fcxp)->fcxp_mod->rsp_pld_sz) + \
 228              (_fcxp)->fcxp_mod->req_pld_sz)
 229
 230void    bfa_fcxp_isr(struct bfa_s *bfa, struct bfi_msg_s *msg);
 231
 232
 233/*
 234 * RPORT related defines
 235 */
 236enum bfa_rport_event {
 237        BFA_RPORT_SM_CREATE     = 1,    /*  rport create event          */
 238        BFA_RPORT_SM_DELETE     = 2,    /*  deleting an existing rport  */
 239        BFA_RPORT_SM_ONLINE     = 3,    /*  rport is online             */
 240        BFA_RPORT_SM_OFFLINE    = 4,    /*  rport is offline            */
 241        BFA_RPORT_SM_FWRSP      = 5,    /*  firmware response           */
 242        BFA_RPORT_SM_HWFAIL     = 6,    /*  IOC h/w failure             */
 243        BFA_RPORT_SM_QOS_SCN    = 7,    /*  QoS SCN from firmware       */
 244        BFA_RPORT_SM_SET_SPEED  = 8,    /*  Set Rport Speed             */
 245        BFA_RPORT_SM_QRESUME    = 9,    /*  space in requeue queue      */
 246};
 247
 248#define BFA_RPORT_MIN   4
 249
 250struct bfa_rport_mod_s {
 251        struct bfa_rport_s *rps_list;   /*  list of rports      */
 252        struct list_head        rp_free_q;      /*  free bfa_rports     */
 253        struct list_head        rp_active_q;    /*  free bfa_rports     */
 254        struct list_head        rp_unused_q;    /*  unused bfa rports  */
 255        u16     num_rports;     /*  number of rports    */
 256        struct bfa_mem_kva_s    kva_seg;
 257};
 258
 259#define BFA_RPORT_MOD(__bfa)    (&(__bfa)->modules.rport_mod)
 260#define BFA_MEM_RPORT_KVA(__bfa) (&(BFA_RPORT_MOD(__bfa)->kva_seg))
 261
 262/*
 263 * Convert rport tag to RPORT
 264 */
 265#define BFA_RPORT_FROM_TAG(__bfa, _tag)                         \
 266        (BFA_RPORT_MOD(__bfa)->rps_list +                       \
 267         ((_tag) & (BFA_RPORT_MOD(__bfa)->num_rports - 1)))
 268
 269/*
 270 * protected functions
 271 */
 272void    bfa_rport_isr(struct bfa_s *bfa, struct bfi_msg_s *msg);
 273void    bfa_rport_res_recfg(struct bfa_s *bfa, u16 num_rport_fw);
 274
 275/*
 276 *      BFA rport information.
 277 */
 278struct bfa_rport_info_s {
 279        u16     max_frmsz;      /*  max rcv pdu size                */
 280        u32     pid:24, /*  remote port ID                  */
 281                lp_tag:8;       /*  tag                     */
 282        u32     local_pid:24,   /*  local port ID                   */
 283                cisc:8; /*  CIRO supported                  */
 284        u8      fc_class;       /*  supported FC classes. enum fc_cos */
 285        u8      vf_en;          /*  virtual fabric enable           */
 286        u16     vf_id;          /*  virtual fabric ID               */
 287        enum bfa_port_speed speed;      /*  Rport's current speed           */
 288};
 289
 290/*
 291 * BFA rport data structure
 292 */
 293struct bfa_rport_s {
 294        struct list_head        qe;     /*  queue element                   */
 295        bfa_sm_t        sm;             /*  state machine                   */
 296        struct bfa_s    *bfa;           /*  backpointer to BFA              */
 297        void            *rport_drv;     /*  fcs/driver rport object         */
 298        u16     fw_handle;      /*  firmware rport handle           */
 299        u16     rport_tag;      /*  BFA rport tag                   */
 300        u8      lun_mask;       /*  LUN mask flag                   */
 301        struct bfa_rport_info_s rport_info; /*  rport info from fcs/driver */
 302        struct bfa_reqq_wait_s reqq_wait; /*  to wait for room in reqq     */
 303        struct bfa_cb_qe_s hcb_qe;      /*  BFA callback qelem              */
 304        struct bfa_rport_hal_stats_s stats; /*  BFA rport statistics        */
 305        struct bfa_rport_qos_attr_s qos_attr;
 306        union a {
 307                bfa_status_t    status; /*  f/w status */
 308                void            *fw_msg; /*  QoS scn event                  */
 309        } event_arg;
 310};
 311#define BFA_RPORT_FC_COS(_rport)        ((_rport)->rport_info.fc_class)
 312
 313
 314/*
 315 * UF - unsolicited receive related defines
 316 */
 317
 318#define BFA_UF_MIN      (4)
 319#define BFA_UF_MAX      (256)
 320
 321struct bfa_uf_s {
 322        struct list_head        qe;     /*  queue element               */
 323        struct bfa_s            *bfa;   /*  bfa instance                */
 324        u16     uf_tag;         /*  identifying tag fw msgs     */
 325        u16     vf_id;
 326        u16     src_rport_handle;
 327        u16     rsvd;
 328        u8              *data_ptr;
 329        u16     data_len;       /*  actual receive length       */
 330        u16     pb_len;         /*  posted buffer length        */
 331        void            *buf_kva;       /*  buffer virtual address      */
 332        u64     buf_pa;         /*  buffer physical address     */
 333        struct bfa_cb_qe_s hcb_qe;      /*  comp: BFA comp qelem        */
 334        struct bfa_sge_s sges[BFI_SGE_INLINE_MAX];
 335};
 336
 337/*
 338 *      Callback prototype for unsolicited frame receive handler.
 339 *
 340 * @param[in]           cbarg           callback arg for receive handler
 341 * @param[in]           uf              unsolicited frame descriptor
 342 *
 343 * @return None
 344 */
 345typedef void (*bfa_cb_uf_recv_t) (void *cbarg, struct bfa_uf_s *uf);
 346
 347#define BFA_UF_BUFSZ    (2 * 1024 + 256)
 348
 349struct bfa_uf_buf_s {
 350        u8      d[BFA_UF_BUFSZ];
 351};
 352
 353#define BFA_PER_UF_DMA_SZ       \
 354        (u32)BFA_ROUNDUP(sizeof(struct bfa_uf_buf_s), BFA_DMA_ALIGN_SZ)
 355
 356/* Max UF dma segs required */
 357#define BFA_UF_DMA_SEGS BFI_MEM_DMA_NSEGS(BFA_UF_MAX, BFA_PER_UF_DMA_SZ)
 358
 359struct bfa_uf_mod_s {
 360        struct bfa_s *bfa;              /*  back pointer to BFA */
 361        struct bfa_uf_s *uf_list;       /*  array of UFs */
 362        u16     num_ufs;        /*  num unsolicited rx frames */
 363        struct list_head        uf_free_q;      /*  free UFs */
 364        struct list_head        uf_posted_q;    /*  UFs posted to IOC */
 365        struct list_head        uf_unused_q;    /*  unused UF's */
 366        struct bfi_uf_buf_post_s *uf_buf_posts;
 367        /*  pre-built UF post msgs */
 368        bfa_cb_uf_recv_t ufrecv;        /*  uf recv handler function */
 369        void            *cbarg;         /*  uf receive handler arg */
 370        struct bfa_mem_dma_s    dma_seg[BFA_UF_DMA_SEGS];
 371        struct bfa_mem_kva_s    kva_seg;
 372};
 373
 374#define BFA_UF_MOD(__bfa)       (&(__bfa)->modules.uf_mod)
 375#define BFA_MEM_UF_KVA(__bfa)   (&(BFA_UF_MOD(__bfa)->kva_seg))
 376
 377#define ufm_pbs_pa(_ufmod, _uftag)                                      \
 378        bfa_mem_get_dmabuf_pa(_ufmod, _uftag, BFA_PER_UF_DMA_SZ)
 379
 380void    bfa_uf_isr(struct bfa_s *bfa, struct bfi_msg_s *msg);
 381void    bfa_uf_res_recfg(struct bfa_s *bfa, u16 num_uf_fw);
 382
 383/*
 384 * LPS - bfa lport login/logout service interface
 385 */
 386struct bfa_lps_s {
 387        struct list_head        qe;     /*  queue element               */
 388        struct bfa_s    *bfa;           /*  parent bfa instance */
 389        bfa_sm_t        sm;             /*  finite state machine        */
 390        u8              bfa_tag;        /*  lport tag           */
 391        u8              fw_tag;         /*  lport fw tag                */
 392        u8              reqq;           /*  lport request queue */
 393        u8              alpa;           /*  ALPA for loop topologies    */
 394        u32     lp_pid;         /*  lport port ID               */
 395        bfa_boolean_t   fdisc;          /*  snd FDISC instead of FLOGI  */
 396        bfa_boolean_t   auth_en;        /*  enable authentication       */
 397        bfa_boolean_t   auth_req;       /*  authentication required     */
 398        bfa_boolean_t   npiv_en;        /*  NPIV is allowed by peer     */
 399        bfa_boolean_t   fport;          /*  attached peer is F_PORT     */
 400        bfa_boolean_t   brcd_switch;    /*  attached peer is brcd sw    */
 401        bfa_status_t    status;         /*  login status                */
 402        u16             pdusz;          /*  max receive PDU size        */
 403        u16             pr_bbcred;      /*  BB_CREDIT from peer         */
 404        u8              pr_bbscn;       /*  BB_SCN from peer            */
 405        u8              bb_scn;         /*  local BB_SCN                */
 406        u8              lsrjt_rsn;      /*  LSRJT reason                */
 407        u8              lsrjt_expl;     /*  LSRJT explanation           */
 408        u8              lun_mask;       /*  LUN mask flag               */
 409        wwn_t           pwwn;           /*  port wwn of lport           */
 410        wwn_t           nwwn;           /*  node wwn of lport           */
 411        wwn_t           pr_pwwn;        /*  port wwn of lport peer      */
 412        wwn_t           pr_nwwn;        /*  node wwn of lport peer      */
 413        mac_t           lp_mac;         /*  fpma/spma MAC for lport     */
 414        mac_t           fcf_mac;        /*  FCF MAC of lport            */
 415        struct bfa_reqq_wait_s  wqe;    /*  request wait queue element  */
 416        void            *uarg;          /*  user callback arg           */
 417        struct bfa_cb_qe_s hcb_qe;      /*  comp: callback qelem        */
 418        struct bfi_lps_login_rsp_s *loginrsp;
 419        bfa_eproto_status_t ext_status;
 420};
 421
 422struct bfa_lps_mod_s {
 423        struct list_head                lps_free_q;
 424        struct list_head                lps_active_q;
 425        struct list_head                lps_login_q;
 426        struct bfa_lps_s        *lps_arr;
 427        int                     num_lps;
 428        struct bfa_mem_kva_s    kva_seg;
 429};
 430
 431#define BFA_LPS_MOD(__bfa)              (&(__bfa)->modules.lps_mod)
 432#define BFA_LPS_FROM_TAG(__mod, __tag)  (&(__mod)->lps_arr[__tag])
 433#define BFA_MEM_LPS_KVA(__bfa)  (&(BFA_LPS_MOD(__bfa)->kva_seg))
 434
 435/*
 436 * external functions
 437 */
 438void    bfa_lps_isr(struct bfa_s *bfa, struct bfi_msg_s *msg);
 439
 440
 441/*
 442 * FCPORT related defines
 443 */
 444
 445#define BFA_FCPORT(_bfa)        (&((_bfa)->modules.port))
 446
 447/*
 448 * Link notification data structure
 449 */
 450struct bfa_fcport_ln_s {
 451        struct bfa_fcport_s     *fcport;
 452        bfa_sm_t                sm;
 453        struct bfa_cb_qe_s      ln_qe;  /*  BFA callback queue elem for ln */
 454        enum bfa_port_linkstate ln_event; /*  ln event for callback */
 455};
 456
 457struct bfa_fcport_trunk_s {
 458        struct bfa_trunk_attr_s attr;
 459};
 460
 461/*
 462 * BFA FC port data structure
 463 */
 464struct bfa_fcport_s {
 465        struct bfa_s            *bfa;   /*  parent BFA instance */
 466        bfa_sm_t                sm;     /*  port state machine */
 467        wwn_t                   nwwn;   /*  node wwn of physical port */
 468        wwn_t                   pwwn;   /*  port wwn of physical oprt */
 469        enum bfa_port_speed speed_sup;
 470        /*  supported speeds */
 471        enum bfa_port_speed speed;      /*  current speed */
 472        enum bfa_port_topology topology;        /*  current topology */
 473        u8                      myalpa; /*  my ALPA in LOOP topology */
 474        u8                      rsvd[3];
 475        struct bfa_port_cfg_s   cfg;    /*  current port configuration */
 476        bfa_boolean_t           use_flash_cfg; /* get port cfg from flash */
 477        struct bfa_qos_attr_s  qos_attr;   /* QoS Attributes */
 478        struct bfa_qos_vc_attr_s qos_vc_attr;  /*  VC info from ELP */
 479        struct bfa_reqq_wait_s  reqq_wait;
 480        /*  to wait for room in reqq */
 481        struct bfa_reqq_wait_s  svcreq_wait;
 482        /*  to wait for room in reqq */
 483        struct bfa_reqq_wait_s  stats_reqq_wait;
 484        /*  to wait for room in reqq (stats) */
 485        void                    *event_cbarg;
 486        void                    (*event_cbfn) (void *cbarg,
 487                                               enum bfa_port_linkstate event);
 488        union {
 489                union bfi_fcport_i2h_msg_u i2hmsg;
 490        } event_arg;
 491        void                    *bfad;  /*  BFA driver handle */
 492        struct bfa_fcport_ln_s  ln; /*  Link Notification */
 493        struct bfa_cb_qe_s      hcb_qe; /*  BFA callback queue elem */
 494        struct bfa_timer_s      timer;  /*  timer */
 495        u32             msgtag; /*  fimrware msg tag for reply */
 496        u8                      *stats_kva;
 497        u64             stats_pa;
 498        union bfa_fcport_stats_u *stats;
 499        bfa_status_t            stats_status; /*  stats/statsclr status */
 500        struct list_head        stats_pending_q;
 501        struct list_head        statsclr_pending_q;
 502        bfa_boolean_t           stats_qfull;
 503        u32             stats_reset_time; /*  stats reset time stamp */
 504        bfa_boolean_t           diag_busy; /*  diag busy status */
 505        bfa_boolean_t           beacon; /*  port beacon status */
 506        bfa_boolean_t           link_e2e_beacon; /*  link beacon status */
 507        bfa_boolean_t           bbsc_op_state;  /* Cred recov Oper State */
 508        struct bfa_fcport_trunk_s trunk;
 509        u16             fcoe_vlan;
 510        struct bfa_mem_dma_s    fcport_dma;
 511};
 512
 513#define BFA_FCPORT_MOD(__bfa)   (&(__bfa)->modules.fcport)
 514#define BFA_MEM_FCPORT_DMA(__bfa) (&(BFA_FCPORT_MOD(__bfa)->fcport_dma))
 515
 516/*
 517 * protected functions
 518 */
 519void bfa_fcport_init(struct bfa_s *bfa);
 520void bfa_fcport_isr(struct bfa_s *bfa, struct bfi_msg_s *msg);
 521
 522/*
 523 * bfa fcport API functions
 524 */
 525bfa_status_t bfa_fcport_enable(struct bfa_s *bfa);
 526bfa_status_t bfa_fcport_disable(struct bfa_s *bfa);
 527bfa_status_t bfa_fcport_cfg_speed(struct bfa_s *bfa,
 528                                  enum bfa_port_speed speed);
 529enum bfa_port_speed bfa_fcport_get_speed(struct bfa_s *bfa);
 530bfa_status_t bfa_fcport_cfg_topology(struct bfa_s *bfa,
 531                                     enum bfa_port_topology topo);
 532enum bfa_port_topology bfa_fcport_get_topology(struct bfa_s *bfa);
 533bfa_status_t bfa_fcport_cfg_hardalpa(struct bfa_s *bfa, u8 alpa);
 534bfa_boolean_t bfa_fcport_get_hardalpa(struct bfa_s *bfa, u8 *alpa);
 535u8 bfa_fcport_get_myalpa(struct bfa_s *bfa);
 536bfa_status_t bfa_fcport_clr_hardalpa(struct bfa_s *bfa);
 537bfa_status_t bfa_fcport_cfg_maxfrsize(struct bfa_s *bfa, u16 maxsize);
 538u16 bfa_fcport_get_maxfrsize(struct bfa_s *bfa);
 539u8 bfa_fcport_get_rx_bbcredit(struct bfa_s *bfa);
 540void bfa_fcport_get_attr(struct bfa_s *bfa, struct bfa_port_attr_s *attr);
 541wwn_t bfa_fcport_get_wwn(struct bfa_s *bfa, bfa_boolean_t node);
 542void bfa_fcport_event_register(struct bfa_s *bfa,
 543                        void (*event_cbfn) (void *cbarg,
 544                        enum bfa_port_linkstate event), void *event_cbarg);
 545bfa_boolean_t bfa_fcport_is_disabled(struct bfa_s *bfa);
 546enum bfa_port_speed bfa_fcport_get_ratelim_speed(struct bfa_s *bfa);
 547
 548void bfa_fcport_set_tx_bbcredit(struct bfa_s *bfa, u16 tx_bbcredit, u8 bb_scn);
 549bfa_boolean_t     bfa_fcport_is_ratelim(struct bfa_s *bfa);
 550void bfa_fcport_beacon(void *dev, bfa_boolean_t beacon,
 551                        bfa_boolean_t link_e2e_beacon);
 552bfa_boolean_t   bfa_fcport_is_linkup(struct bfa_s *bfa);
 553bfa_status_t bfa_fcport_get_stats(struct bfa_s *bfa,
 554                        struct bfa_cb_pending_q_s *cb);
 555bfa_status_t bfa_fcport_clear_stats(struct bfa_s *bfa,
 556                        struct bfa_cb_pending_q_s *cb);
 557bfa_boolean_t bfa_fcport_is_qos_enabled(struct bfa_s *bfa);
 558bfa_boolean_t bfa_fcport_is_trunk_enabled(struct bfa_s *bfa);
 559bfa_status_t bfa_fcport_is_pbcdisabled(struct bfa_s *bfa);
 560void bfa_fcport_cfg_faa(struct bfa_s *bfa, u8 state);
 561
 562/*
 563 * bfa rport API functions
 564 */
 565struct bfa_rport_s *bfa_rport_create(struct bfa_s *bfa, void *rport_drv);
 566void bfa_rport_online(struct bfa_rport_s *rport,
 567                      struct bfa_rport_info_s *rport_info);
 568void bfa_rport_speed(struct bfa_rport_s *rport, enum bfa_port_speed speed);
 569void bfa_cb_rport_online(void *rport);
 570void bfa_cb_rport_offline(void *rport);
 571void bfa_cb_rport_qos_scn_flowid(void *rport,
 572                                 struct bfa_rport_qos_attr_s old_qos_attr,
 573                                 struct bfa_rport_qos_attr_s new_qos_attr);
 574void bfa_cb_rport_qos_scn_prio(void *rport,
 575                               struct bfa_rport_qos_attr_s old_qos_attr,
 576                               struct bfa_rport_qos_attr_s new_qos_attr);
 577
 578/*
 579 *      Rport LUN masking related
 580 */
 581#define BFA_RPORT_TAG_INVALID   0xffff
 582#define BFA_LP_TAG_INVALID      0xff
 583void    bfa_rport_set_lunmask(struct bfa_s *bfa, struct bfa_rport_s *rp);
 584void    bfa_rport_unset_lunmask(struct bfa_s *bfa, struct bfa_rport_s *rp);
 585bfa_boolean_t   bfa_rport_lunmask_active(struct bfa_rport_s *rp);
 586wwn_t   bfa_rport_get_pwwn(struct bfa_s *bfa, struct bfa_rport_s *rp);
 587struct bfa_rport_s *bfa_rport_get_by_wwn(struct bfa_s *bfa, u16 vf_id,
 588                                         wwn_t *lpwwn, wwn_t rpwwn);
 589void *bfa_cb_get_rp_by_wwn(void *arg, u16 vf_id, wwn_t *lpwwn, wwn_t rpwwn);
 590
 591/*
 592 * bfa fcxp API functions
 593 */
 594struct bfa_fcxp_s *bfa_fcxp_alloc(void *bfad_fcxp, struct bfa_s *bfa,
 595                                  int nreq_sgles, int nrsp_sgles,
 596                                  bfa_fcxp_get_sgaddr_t get_req_sga,
 597                                  bfa_fcxp_get_sglen_t get_req_sglen,
 598                                  bfa_fcxp_get_sgaddr_t get_rsp_sga,
 599                                  bfa_fcxp_get_sglen_t get_rsp_sglen);
 600void bfa_fcxp_alloc_wait(struct bfa_s *bfa, struct bfa_fcxp_wqe_s *wqe,
 601                                bfa_fcxp_alloc_cbfn_t alloc_cbfn,
 602                                void *cbarg, void *bfad_fcxp,
 603                                int nreq_sgles, int nrsp_sgles,
 604                                bfa_fcxp_get_sgaddr_t get_req_sga,
 605                                bfa_fcxp_get_sglen_t get_req_sglen,
 606                                bfa_fcxp_get_sgaddr_t get_rsp_sga,
 607                                bfa_fcxp_get_sglen_t get_rsp_sglen);
 608void bfa_fcxp_walloc_cancel(struct bfa_s *bfa,
 609                            struct bfa_fcxp_wqe_s *wqe);
 610void bfa_fcxp_discard(struct bfa_fcxp_s *fcxp);
 611
 612void *bfa_fcxp_get_reqbuf(struct bfa_fcxp_s *fcxp);
 613void *bfa_fcxp_get_rspbuf(struct bfa_fcxp_s *fcxp);
 614
 615void bfa_fcxp_free(struct bfa_fcxp_s *fcxp);
 616
 617void bfa_fcxp_send(struct bfa_fcxp_s *fcxp, struct bfa_rport_s *rport,
 618                   u16 vf_id, u8 lp_tag,
 619                   bfa_boolean_t cts, enum fc_cos cos,
 620                   u32 reqlen, struct fchs_s *fchs,
 621                   bfa_cb_fcxp_send_t cbfn,
 622                   void *cbarg,
 623                   u32 rsp_maxlen, u8 rsp_timeout);
 624bfa_status_t bfa_fcxp_abort(struct bfa_fcxp_s *fcxp);
 625u32 bfa_fcxp_get_reqbufsz(struct bfa_fcxp_s *fcxp);
 626u32 bfa_fcxp_get_maxrsp(struct bfa_s *bfa);
 627void bfa_fcxp_res_recfg(struct bfa_s *bfa, u16 num_fcxp_fw);
 628
 629static inline void *
 630bfa_uf_get_frmbuf(struct bfa_uf_s *uf)
 631{
 632        return uf->data_ptr;
 633}
 634
 635static inline   u16
 636bfa_uf_get_frmlen(struct bfa_uf_s *uf)
 637{
 638        return uf->data_len;
 639}
 640
 641/*
 642 * bfa uf API functions
 643 */
 644void bfa_uf_recv_register(struct bfa_s *bfa, bfa_cb_uf_recv_t ufrecv,
 645                          void *cbarg);
 646void bfa_uf_free(struct bfa_uf_s *uf);
 647
 648/*
 649 * bfa lport service api
 650 */
 651
 652u32 bfa_lps_get_max_vport(struct bfa_s *bfa);
 653struct bfa_lps_s *bfa_lps_alloc(struct bfa_s *bfa);
 654void bfa_lps_delete(struct bfa_lps_s *lps);
 655void bfa_lps_flogi(struct bfa_lps_s *lps, void *uarg, u8 alpa,
 656                   u16 pdusz, wwn_t pwwn, wwn_t nwwn,
 657                   bfa_boolean_t auth_en, u8 bb_scn);
 658void bfa_lps_fdisc(struct bfa_lps_s *lps, void *uarg, u16 pdusz,
 659                   wwn_t pwwn, wwn_t nwwn);
 660void bfa_lps_fdisclogo(struct bfa_lps_s *lps);
 661void bfa_lps_set_n2n_pid(struct bfa_lps_s *lps, u32 n2n_pid);
 662u8 bfa_lps_get_fwtag(struct bfa_s *bfa, u8 lp_tag);
 663u32 bfa_lps_get_base_pid(struct bfa_s *bfa);
 664u8 bfa_lps_get_tag_from_pid(struct bfa_s *bfa, u32 pid);
 665void bfa_cb_lps_flogi_comp(void *bfad, void *uarg, bfa_status_t status);
 666void bfa_cb_lps_fdisc_comp(void *bfad, void *uarg, bfa_status_t status);
 667void bfa_cb_lps_fdisclogo_comp(void *bfad, void *uarg);
 668void bfa_cb_lps_cvl_event(void *bfad, void *uarg);
 669
 670/* FAA specific APIs */
 671bfa_status_t bfa_faa_enable(struct bfa_s *bfa,
 672                        bfa_cb_iocfc_t cbfn, void *cbarg);
 673bfa_status_t bfa_faa_disable(struct bfa_s *bfa,
 674                        bfa_cb_iocfc_t cbfn, void *cbarg);
 675bfa_status_t bfa_faa_query(struct bfa_s *bfa, struct bfa_faa_attr_s *attr,
 676                        bfa_cb_iocfc_t cbfn, void *cbarg);
 677
 678/*
 679 *      FC DIAG data structure
 680 */
 681struct bfa_fcdiag_qtest_s {
 682        struct bfa_diag_qtest_result_s *result;
 683        bfa_cb_diag_t   cbfn;
 684        void            *cbarg;
 685        struct bfa_timer_s      timer;
 686        u32     status;
 687        u32     count;
 688        u8      lock;
 689        u8      queue;
 690        u8      all;
 691        u8      timer_active;
 692};
 693
 694struct bfa_fcdiag_lb_s {
 695        bfa_cb_diag_t   cbfn;
 696        void            *cbarg;
 697        void            *result;
 698        bfa_boolean_t   lock;
 699        u32        status;
 700};
 701
 702struct bfa_fcdiag_s {
 703        struct bfa_s    *bfa;           /* Back pointer to BFA */
 704        struct bfa_trc_mod_s   *trcmod;
 705        struct bfa_fcdiag_lb_s lb;
 706        struct bfa_fcdiag_qtest_s qtest;
 707};
 708
 709#define BFA_FCDIAG_MOD(__bfa)   (&(__bfa)->modules.fcdiag)
 710
 711void    bfa_fcdiag_intr(struct bfa_s *bfa, struct bfi_msg_s *msg);
 712
 713bfa_status_t    bfa_fcdiag_loopback(struct bfa_s *bfa,
 714                                enum bfa_port_opmode opmode,
 715                                enum bfa_port_speed speed, u32 lpcnt, u32 pat,
 716                                struct bfa_diag_loopback_result_s *result,
 717                                bfa_cb_diag_t cbfn, void *cbarg);
 718bfa_status_t    bfa_fcdiag_queuetest(struct bfa_s *bfa, u32 ignore,
 719                        u32 queue, struct bfa_diag_qtest_result_s *result,
 720                        bfa_cb_diag_t cbfn, void *cbarg);
 721bfa_status_t    bfa_fcdiag_lb_is_running(struct bfa_s *bfa);
 722
 723#endif /* __BFA_SVC_H__ */
 724
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