drivers/scsi/bfa/bfa_svc.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 __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
  37 struct 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
  46 struct 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
  62 struct 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
  74 bfa_status_t bfa_sgpg_malloc(struct bfa_s *bfa, struct list_head *sgpg_q,
  75                              int nsgpgs);
  76 void bfa_sgpg_mfree(struct bfa_s *bfa, struct list_head *sgpg_q, int nsgpgs);
  77 void bfa_sgpg_winit(struct bfa_sgpg_wqe_s *wqe,
  78                     void (*cbfn) (void *cbarg), void *cbarg);
  79 void bfa_sgpg_wait(struct bfa_s *bfa, struct bfa_sgpg_wqe_s *wqe, int nsgpgs);
  80 void 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
  96 struct 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_req_free_q; /* free FCXPs used for sending req */
 101         struct list_head fcxp_rsp_free_q; /* free FCXPs used for sending req */
 102         struct list_head fcxp_active_q; /* active FCXPs */
 103         struct list_head req_wait_q;    /* wait queue for free req_fcxp */
 104         struct list_head rsp_wait_q;    /* wait queue for free rsp_fcxp */
 105         struct list_head fcxp_req_unused_q;     /* unused req_fcxps */
 106         struct list_head fcxp_rsp_unused_q;     /* unused rsp_fcxps */
 107         u32     req_pld_sz;
 108         u32     rsp_pld_sz;
 109         struct bfa_mem_dma_s dma_seg[BFA_FCXP_DMA_SEGS];
 110         struct bfa_mem_kva_s kva_seg;
 111 };
 112
 113 #define BFA_FCXP_MOD(__bfa)             (&(__bfa)->modules.fcxp_mod)
 114 #define BFA_FCXP_FROM_TAG(__mod, __tag) (&(__mod)->fcxp_list[__tag])
 115 #define BFA_MEM_FCXP_KVA(__bfa) (&(BFA_FCXP_MOD(__bfa)->kva_seg))
 116
 117 typedef void    (*fcxp_send_cb_t) (struct bfa_s *ioc, struct bfa_fcxp_s *fcxp,
 118                                    void *cb_arg, bfa_status_t req_status,
 119                                    u32 rsp_len, u32 resid_len,
 120                                    struct fchs_s *rsp_fchs);
 121
 122 typedef u64 (*bfa_fcxp_get_sgaddr_t) (void *bfad_fcxp, int sgeid);
 123 typedef u32 (*bfa_fcxp_get_sglen_t) (void *bfad_fcxp, int sgeid);
 124 typedef void (*bfa_cb_fcxp_send_t) (void *bfad_fcxp, struct bfa_fcxp_s *fcxp,
 125                                     void *cbarg, enum bfa_status req_status,
 126                                     u32 rsp_len, u32 resid_len,
 127                                     struct fchs_s *rsp_fchs);
 128 typedef void (*bfa_fcxp_alloc_cbfn_t) (void *cbarg, struct bfa_fcxp_s *fcxp);
 129
 130
 131
 132 /*
 133  * Information needed for a FCXP request
 134  */
 135 struct bfa_fcxp_req_info_s {
 136         struct bfa_rport_s *bfa_rport;
 137                                         /* Pointer to the bfa rport that was
 138                                          * returned from bfa_rport_create().
 139                                          * This could be left NULL for WKA or
 140                                          * for FCXP interactions before the
 141                                          * rport nexus is established
 142                                          */
 143         struct fchs_s   fchs;   /*  request FC header structure */
 144         u8              cts;    /*  continuous sequence */
 145         u8              class;  /*  FC class for the request/response */
 146         u16     max_frmsz;      /*  max send frame size */
 147         u16     vf_id;  /*  vsan tag if applicable */
 148         u8              lp_tag; /*  lport tag */
 149         u32     req_tot_len;    /*  request payload total length */
 150 };
 151
 152 struct bfa_fcxp_rsp_info_s {
 153         struct fchs_s   rsp_fchs;
 154                                 /* Response frame's FC header will
 155                                  * be sent back in this field */
 156         u8              rsp_timeout;
 157                                 /* timeout in seconds, 0-no response */
 158         u8              rsvd2[3];
 159         u32     rsp_maxlen;     /*  max response length expected */
 160 };
 161
 162 struct bfa_fcxp_s {
 163         struct list_head        qe;             /*  fcxp queue element */
 164         bfa_sm_t        sm;             /*  state machine */
 165         void            *caller;        /*  driver or fcs */
 166         struct bfa_fcxp_mod_s *fcxp_mod;
 167         /*  back pointer to fcxp mod */
 168         u16     fcxp_tag;       /*  internal tag */
 169         struct bfa_fcxp_req_info_s req_info;
 170         /*  request info */
 171         struct bfa_fcxp_rsp_info_s rsp_info;
 172         /*  response info */
 173         u8      use_ireqbuf;    /*  use internal req buf */
 174         u8              use_irspbuf;    /*  use internal rsp buf */
 175         u32     nreq_sgles;     /*  num request SGLEs */
 176         u32     nrsp_sgles;     /*  num response SGLEs */
 177         struct list_head req_sgpg_q;    /*  SG pages for request buf */
 178         struct list_head req_sgpg_wqe;  /*  wait queue for req SG page */
 179         struct list_head rsp_sgpg_q;    /*  SG pages for response buf */
 180         struct list_head rsp_sgpg_wqe;  /*  wait queue for rsp SG page */
 181
 182         bfa_fcxp_get_sgaddr_t req_sga_cbfn;
 183         /*  SG elem addr user function */
 184         bfa_fcxp_get_sglen_t req_sglen_cbfn;
 185         /*  SG elem len user function */
 186         bfa_fcxp_get_sgaddr_t rsp_sga_cbfn;
 187         /*  SG elem addr user function */
 188         bfa_fcxp_get_sglen_t rsp_sglen_cbfn;
 189         /*  SG elem len user function */
 190         bfa_cb_fcxp_send_t send_cbfn;   /*  send completion callback */
 191         void            *send_cbarg;    /*  callback arg */
 192         struct bfa_sge_s   req_sge[BFA_FCXP_MAX_SGES];
 193         /*  req SG elems */
 194         struct bfa_sge_s   rsp_sge[BFA_FCXP_MAX_SGES];
 195         /*  rsp SG elems */
 196         u8              rsp_status;     /*  comp: rsp status */
 197         u32     rsp_len;        /*  comp: actual response len */
 198         u32     residue_len;    /*  comp: residual rsp length */
 199         struct fchs_s   rsp_fchs;       /*  comp: response fchs */
 200         struct bfa_cb_qe_s    hcb_qe;   /*  comp: callback qelem */
 201         struct bfa_reqq_wait_s  reqq_wqe;
 202         bfa_boolean_t   reqq_waiting;
 203         bfa_boolean_t   req_rsp;        /* Used to track req/rsp fcxp */
 204 };
 205
 206 struct bfa_fcxp_wqe_s {
 207         struct list_head                qe;
 208         bfa_fcxp_alloc_cbfn_t   alloc_cbfn;
 209         void            *alloc_cbarg;
 210         void            *caller;
 211         struct bfa_s    *bfa;
 212         int             nreq_sgles;
 213         int             nrsp_sgles;
 214         bfa_fcxp_get_sgaddr_t   req_sga_cbfn;
 215         bfa_fcxp_get_sglen_t    req_sglen_cbfn;
 216         bfa_fcxp_get_sgaddr_t   rsp_sga_cbfn;
 217         bfa_fcxp_get_sglen_t    rsp_sglen_cbfn;
 218 };
 219
 220 #define BFA_FCXP_REQ_PLD(_fcxp)         (bfa_fcxp_get_reqbuf(_fcxp))
 221 #define BFA_FCXP_RSP_FCHS(_fcxp)        (&((_fcxp)->rsp_info.fchs))
 222 #define BFA_FCXP_RSP_PLD(_fcxp)         (bfa_fcxp_get_rspbuf(_fcxp))
 223
 224 #define BFA_FCXP_REQ_PLD_PA(_fcxp)                                            \
 225         bfa_mem_get_dmabuf_pa((_fcxp)->fcxp_mod, (_fcxp)->fcxp_tag,           \
 226                 (_fcxp)->fcxp_mod->req_pld_sz + (_fcxp)->fcxp_mod->rsp_pld_sz)
 227
 228 /* fcxp_buf = req_buf + rsp_buf :- add req_buf_sz to get to rsp_buf */
 229 #define BFA_FCXP_RSP_PLD_PA(_fcxp)                                             \
 230         (bfa_mem_get_dmabuf_pa((_fcxp)->fcxp_mod, (_fcxp)->fcxp_tag,           \
 231               (_fcxp)->fcxp_mod->req_pld_sz + (_fcxp)->fcxp_mod->rsp_pld_sz) + \
 232               (_fcxp)->fcxp_mod->req_pld_sz)
 233
 234 void    bfa_fcxp_isr(struct bfa_s *bfa, struct bfi_msg_s *msg);
 235
 236
 237 /*
 238  * RPORT related defines
 239  */
 240 enum bfa_rport_event {
 241         BFA_RPORT_SM_CREATE     = 1,    /*  rport create event          */
 242         BFA_RPORT_SM_DELETE     = 2,    /*  deleting an existing rport  */
 243         BFA_RPORT_SM_ONLINE     = 3,    /*  rport is online             */
 244         BFA_RPORT_SM_OFFLINE    = 4,    /*  rport is offline            */
 245         BFA_RPORT_SM_FWRSP      = 5,    /*  firmware response           */
 246         BFA_RPORT_SM_HWFAIL     = 6,    /*  IOC h/w failure             */
 247         BFA_RPORT_SM_QOS_SCN    = 7,    /*  QoS SCN from firmware       */
 248         BFA_RPORT_SM_SET_SPEED  = 8,    /*  Set Rport Speed             */
 249         BFA_RPORT_SM_QRESUME    = 9,    /*  space in requeue queue      */
 250 };
 251
 252 #define BFA_RPORT_MIN   4
 253
 254 struct bfa_rport_mod_s {
 255         struct bfa_rport_s *rps_list;   /*  list of rports      */
 256         struct list_head        rp_free_q;      /*  free bfa_rports     */
 257         struct list_head        rp_active_q;    /*  free bfa_rports     */
 258         struct list_head        rp_unused_q;    /*  unused bfa rports  */
 259         u16     num_rports;     /*  number of rports    */
 260         struct bfa_mem_kva_s    kva_seg;
 261 };
 262
 263 #define BFA_RPORT_MOD(__bfa)    (&(__bfa)->modules.rport_mod)
 264 #define BFA_MEM_RPORT_KVA(__bfa) (&(BFA_RPORT_MOD(__bfa)->kva_seg))
 265
 266 /*
 267  * Convert rport tag to RPORT
 268  */
 269 #define BFA_RPORT_FROM_TAG(__bfa, _tag)                         \
 270         (BFA_RPORT_MOD(__bfa)->rps_list +                       \
 271          ((_tag) & (BFA_RPORT_MOD(__bfa)->num_rports - 1)))
 272
 273 /*
 274  * protected functions
 275  */
 276 void    bfa_rport_isr(struct bfa_s *bfa, struct bfi_msg_s *msg);
 277 void    bfa_rport_res_recfg(struct bfa_s *bfa, u16 num_rport_fw);
 278
 279 /*
 280  *      BFA rport information.
 281  */
 282 struct bfa_rport_info_s {
 283         u16     max_frmsz;      /*  max rcv pdu size                */
 284         u32     pid:24, /*  remote port ID                  */
 285                 lp_tag:8;       /*  tag                     */
 286         u32     local_pid:24,   /*  local port ID                   */
 287                 cisc:8; /*  CIRO supported                  */
 288         u8      fc_class;       /*  supported FC classes. enum fc_cos */
 289         u8      vf_en;          /*  virtual fabric enable           */
 290         u16     vf_id;          /*  virtual fabric ID               */
 291         enum bfa_port_speed speed;      /*  Rport's current speed           */
 292 };
 293
 294 /*
 295  * BFA rport data structure
 296  */
 297 struct bfa_rport_s {
 298         struct list_head        qe;     /*  queue element                   */
 299         bfa_sm_t        sm;             /*  state machine                   */
 300         struct bfa_s    *bfa;           /*  backpointer to BFA              */
 301         void            *rport_drv;     /*  fcs/driver rport object         */
 302         u16     fw_handle;      /*  firmware rport handle           */
 303         u16     rport_tag;      /*  BFA rport tag                   */
 304         u8      lun_mask;       /*  LUN mask flag                   */
 305         struct bfa_rport_info_s rport_info; /*  rport info from fcs/driver */
 306         struct bfa_reqq_wait_s reqq_wait; /*  to wait for room in reqq     */
 307         struct bfa_cb_qe_s hcb_qe;      /*  BFA callback qelem              */
 308         struct bfa_rport_hal_stats_s stats; /*  BFA rport statistics        */
 309         struct bfa_rport_qos_attr_s qos_attr;
 310         union a {
 311                 bfa_status_t    status; /*  f/w status */
 312                 void            *fw_msg; /*  QoS scn event                  */
 313         } event_arg;
 314 };
 315 #define BFA_RPORT_FC_COS(_rport)        ((_rport)->rport_info.fc_class)
 316
 317
 318 /*
 319  * UF - unsolicited receive related defines
 320  */
 321
 322 #define BFA_UF_MIN      (4)
 323 #define BFA_UF_MAX      (256)
 324
 325 struct bfa_uf_s {
 326         struct list_head        qe;     /*  queue element               */
 327         struct bfa_s            *bfa;   /*  bfa instance                */
 328         u16     uf_tag;         /*  identifying tag fw msgs     */
 329         u16     vf_id;
 330         u16     src_rport_handle;
 331         u16     rsvd;
 332         u8              *data_ptr;
 333         u16     data_len;       /*  actual receive length       */
 334         u16     pb_len;         /*  posted buffer length        */
 335         void            *buf_kva;       /*  buffer virtual address      */
 336         u64     buf_pa;         /*  buffer physical address     */
 337         struct bfa_cb_qe_s hcb_qe;      /*  comp: BFA comp qelem        */
 338         struct bfa_sge_s sges[BFI_SGE_INLINE_MAX];
 339 };
 340
 341 /*
 342  *      Callback prototype for unsolicited frame receive handler.
 343  *
 344  * @param[in]           cbarg           callback arg for receive handler
 345  * @param[in]           uf              unsolicited frame descriptor
 346  *
 347  * @return None
 348  */
 349 typedef void (*bfa_cb_uf_recv_t) (void *cbarg, struct bfa_uf_s *uf);
 350
 351 #define BFA_UF_BUFSZ    (2 * 1024 + 256)
 352
 353 struct bfa_uf_buf_s {
 354         u8      d[BFA_UF_BUFSZ];
 355 };
 356
 357 #define BFA_PER_UF_DMA_SZ       \
 358         (u32)BFA_ROUNDUP(sizeof(struct bfa_uf_buf_s), BFA_DMA_ALIGN_SZ)
 359
 360 /* Max UF dma segs required */
 361 #define BFA_UF_DMA_SEGS BFI_MEM_DMA_NSEGS(BFA_UF_MAX, BFA_PER_UF_DMA_SZ)
 362
 363 struct bfa_uf_mod_s {
 364         struct bfa_s *bfa;              /*  back pointer to BFA */
 365         struct bfa_uf_s *uf_list;       /*  array of UFs */
 366         u16     num_ufs;        /*  num unsolicited rx frames */
 367         struct list_head        uf_free_q;      /*  free UFs */
 368         struct list_head        uf_posted_q;    /*  UFs posted to IOC */
 369         struct list_head        uf_unused_q;    /*  unused UF's */
 370         struct bfi_uf_buf_post_s *uf_buf_posts;
 371         /*  pre-built UF post msgs */
 372         bfa_cb_uf_recv_t ufrecv;        /*  uf recv handler function */
 373         void            *cbarg;         /*  uf receive handler arg */
 374         struct bfa_mem_dma_s    dma_seg[BFA_UF_DMA_SEGS];
 375         struct bfa_mem_kva_s    kva_seg;
 376 };
 377
 378 #define BFA_UF_MOD(__bfa)       (&(__bfa)->modules.uf_mod)
 379 #define BFA_MEM_UF_KVA(__bfa)   (&(BFA_UF_MOD(__bfa)->kva_seg))
 380
 381 #define ufm_pbs_pa(_ufmod, _uftag)                                      \
 382         bfa_mem_get_dmabuf_pa(_ufmod, _uftag, BFA_PER_UF_DMA_SZ)
 383
 384 void    bfa_uf_isr(struct bfa_s *bfa, struct bfi_msg_s *msg);
 385 void    bfa_uf_res_recfg(struct bfa_s *bfa, u16 num_uf_fw);
 386
 387 /*
 388  * LPS - bfa lport login/logout service interface
 389  */
 390 struct bfa_lps_s {
 391         struct list_head        qe;     /*  queue element               */
 392         struct bfa_s    *bfa;           /*  parent bfa instance */
 393         bfa_sm_t        sm;             /*  finite state machine        */
 394         u8              bfa_tag;        /*  lport tag           */
 395         u8              fw_tag;         /*  lport fw tag                */
 396         u8              reqq;           /*  lport request queue */
 397         u8              alpa;           /*  ALPA for loop topologies    */
 398         u32     lp_pid;         /*  lport port ID               */
 399         bfa_boolean_t   fdisc;          /*  snd FDISC instead of FLOGI  */
 400         bfa_boolean_t   auth_en;        /*  enable authentication       */
 401         bfa_boolean_t   auth_req;       /*  authentication required     */
 402         bfa_boolean_t   npiv_en;        /*  NPIV is allowed by peer     */
 403         bfa_boolean_t   fport;          /*  attached peer is F_PORT     */
 404         bfa_boolean_t   brcd_switch;    /*  attached peer is brcd sw    */
 405         bfa_status_t    status;         /*  login status                */
 406         u16             pdusz;          /*  max receive PDU size        */
 407         u16             pr_bbcred;      /*  BB_CREDIT from peer         */
 408         u8              lsrjt_rsn;      /*  LSRJT reason                */
 409         u8              lsrjt_expl;     /*  LSRJT explanation           */
 410         u8              lun_mask;       /*  LUN mask flag               */
 411         wwn_t           pwwn;           /*  port wwn of lport           */
 412         wwn_t           nwwn;           /*  node wwn of lport           */
 413         wwn_t           pr_pwwn;        /*  port wwn of lport peer      */
 414         wwn_t           pr_nwwn;        /*  node wwn of lport peer      */
 415         mac_t           lp_mac;         /*  fpma/spma MAC for lport     */
 416         mac_t           fcf_mac;        /*  FCF MAC of lport            */
 417         struct bfa_reqq_wait_s  wqe;    /*  request wait queue element  */
 418         void            *uarg;          /*  user callback arg           */
 419         struct bfa_cb_qe_s hcb_qe;      /*  comp: callback qelem        */
 420         struct bfi_lps_login_rsp_s *loginrsp;
 421         bfa_eproto_status_t ext_status;
 422 };
 423
 424 struct bfa_lps_mod_s {
 425         struct list_head                lps_free_q;
 426         struct list_head                lps_active_q;
 427         struct list_head                lps_login_q;
 428         struct bfa_lps_s        *lps_arr;
 429         int                     num_lps;
 430         struct bfa_mem_kva_s    kva_seg;
 431 };
 432
 433 #define BFA_LPS_MOD(__bfa)              (&(__bfa)->modules.lps_mod)
 434 #define BFA_LPS_FROM_TAG(__mod, __tag)  (&(__mod)->lps_arr[__tag])
 435 #define BFA_MEM_LPS_KVA(__bfa)  (&(BFA_LPS_MOD(__bfa)->kva_seg))
 436
 437 /*
 438  * external functions
 439  */
 440 void    bfa_lps_isr(struct bfa_s *bfa, struct bfi_msg_s *msg);
 441
 442
 443 /*
 444  * FCPORT related defines
 445  */
 446
 447 #define BFA_FCPORT(_bfa)        (&((_bfa)->modules.port))
 448
 449 /*
 450  * Link notification data structure
 451  */
 452 struct bfa_fcport_ln_s {
 453         struct bfa_fcport_s     *fcport;
 454         bfa_sm_t                sm;
 455         struct bfa_cb_qe_s      ln_qe;  /*  BFA callback queue elem for ln */
 456         enum bfa_port_linkstate ln_event; /*  ln event for callback */
 457 };
 458
 459 struct bfa_fcport_trunk_s {
 460         struct bfa_trunk_attr_s attr;
 461 };
 462
 463 /*
 464  * BFA FC port data structure
 465  */
 466 struct bfa_fcport_s {
 467         struct bfa_s            *bfa;   /*  parent BFA instance */
 468         bfa_sm_t                sm;     /*  port state machine */
 469         wwn_t                   nwwn;   /*  node wwn of physical port */
 470         wwn_t                   pwwn;   /*  port wwn of physical oprt */
 471         enum bfa_port_speed speed_sup;
 472         /*  supported speeds */
 473         enum bfa_port_speed speed;      /*  current speed */
 474         enum bfa_port_topology topology;        /*  current topology */
 475         u8                      rsvd[3];
 476         u8                      myalpa; /*  my ALPA in LOOP topology */
 477         u8                      alpabm_valid; /* alpa bitmap valid or not */
 478         struct fc_alpabm_s      alpabm; /* alpa bitmap */
 479         struct bfa_port_cfg_s   cfg;    /*  current port configuration */
 480         bfa_boolean_t           use_flash_cfg; /* get port cfg from flash */
 481         struct bfa_qos_attr_s  qos_attr;   /* QoS Attributes */
 482         struct bfa_qos_vc_attr_s qos_vc_attr;  /*  VC info from ELP */
 483         struct bfa_reqq_wait_s  reqq_wait;
 484         /*  to wait for room in reqq */
 485         struct bfa_reqq_wait_s  svcreq_wait;
 486         /*  to wait for room in reqq */
 487         struct bfa_reqq_wait_s  stats_reqq_wait;
 488         /*  to wait for room in reqq (stats) */
 489         void                    *event_cbarg;
 490         void                    (*event_cbfn) (void *cbarg,
 491                                                enum bfa_port_linkstate event);
 492         union {
 493                 union bfi_fcport_i2h_msg_u i2hmsg;
 494         } event_arg;
 495         void                    *bfad;  /*  BFA driver handle */
 496         struct bfa_fcport_ln_s  ln; /*  Link Notification */
 497         struct bfa_cb_qe_s      hcb_qe; /*  BFA callback queue elem */
 498         struct bfa_timer_s      timer;  /*  timer */
 499         u32             msgtag; /*  fimrware msg tag for reply */
 500         u8                      *stats_kva;
 501         u64             stats_pa;
 502         union bfa_fcport_stats_u *stats;
 503         bfa_status_t            stats_status; /*  stats/statsclr status */
 504         struct list_head        stats_pending_q;
 505         struct list_head        statsclr_pending_q;
 506         bfa_boolean_t           stats_qfull;
 507         u32             stats_reset_time; /*  stats reset time stamp */
 508         bfa_boolean_t           diag_busy; /*  diag busy status */
 509         bfa_boolean_t           beacon; /*  port beacon status */
 510         bfa_boolean_t           link_e2e_beacon; /*  link beacon status */
 511         struct bfa_fcport_trunk_s trunk;
 512         u16             fcoe_vlan;
 513         struct bfa_mem_dma_s    fcport_dma;
 514         bfa_boolean_t           stats_dma_ready;
 515         struct bfa_bbcr_attr_s  bbcr_attr;
 516         enum bfa_fec_state_s    fec_state;
 517 };
 518
 519 #define BFA_FCPORT_MOD(__bfa)   (&(__bfa)->modules.fcport)
 520 #define BFA_MEM_FCPORT_DMA(__bfa) (&(BFA_FCPORT_MOD(__bfa)->fcport_dma))
 521
 522 /*
 523  * protected functions
 524  */
 525 void bfa_fcport_init(struct bfa_s *bfa);
 526 void bfa_fcport_isr(struct bfa_s *bfa, struct bfi_msg_s *msg);
 527
 528 /*
 529  * bfa fcport API functions
 530  */
 531 bfa_status_t bfa_fcport_enable(struct bfa_s *bfa);
 532 bfa_status_t bfa_fcport_disable(struct bfa_s *bfa);
 533 bfa_status_t bfa_fcport_cfg_speed(struct bfa_s *bfa,
 534                                   enum bfa_port_speed speed);
 535 enum bfa_port_speed bfa_fcport_get_speed(struct bfa_s *bfa);
 536 bfa_status_t bfa_fcport_cfg_topology(struct bfa_s *bfa,
 537                                      enum bfa_port_topology topo);
 538 enum bfa_port_topology bfa_fcport_get_topology(struct bfa_s *bfa);
 539 enum bfa_port_topology bfa_fcport_get_cfg_topology(struct bfa_s *bfa);
 540 bfa_status_t bfa_fcport_cfg_hardalpa(struct bfa_s *bfa, u8 alpa);
 541 bfa_boolean_t bfa_fcport_get_hardalpa(struct bfa_s *bfa, u8 *alpa);
 542 u8 bfa_fcport_get_myalpa(struct bfa_s *bfa);
 543 bfa_status_t bfa_fcport_clr_hardalpa(struct bfa_s *bfa);
 544 bfa_status_t bfa_fcport_cfg_maxfrsize(struct bfa_s *bfa, u16 maxsize);
 545 u16 bfa_fcport_get_maxfrsize(struct bfa_s *bfa);
 546 u8 bfa_fcport_get_rx_bbcredit(struct bfa_s *bfa);
 547 void bfa_fcport_get_attr(struct bfa_s *bfa, struct bfa_port_attr_s *attr);
 548 wwn_t bfa_fcport_get_wwn(struct bfa_s *bfa, bfa_boolean_t node);
 549 void bfa_fcport_event_register(struct bfa_s *bfa,
 550                         void (*event_cbfn) (void *cbarg,
 551                         enum bfa_port_linkstate event), void *event_cbarg);
 552 bfa_boolean_t bfa_fcport_is_disabled(struct bfa_s *bfa);
 553 bfa_boolean_t bfa_fcport_is_dport(struct bfa_s *bfa);
 554 bfa_boolean_t bfa_fcport_is_ddport(struct bfa_s *bfa);
 555 bfa_status_t bfa_fcport_set_qos_bw(struct bfa_s *bfa,
 556                                    struct bfa_qos_bw_s *qos_bw);
 557 enum bfa_port_speed bfa_fcport_get_ratelim_speed(struct bfa_s *bfa);
 558
 559 void bfa_fcport_set_tx_bbcredit(struct bfa_s *bfa, u16 tx_bbcredit);
 560 bfa_boolean_t     bfa_fcport_is_ratelim(struct bfa_s *bfa);
 561 void bfa_fcport_beacon(void *dev, bfa_boolean_t beacon,
 562                         bfa_boolean_t link_e2e_beacon);
 563 bfa_boolean_t   bfa_fcport_is_linkup(struct bfa_s *bfa);
 564 bfa_status_t bfa_fcport_get_stats(struct bfa_s *bfa,
 565                         struct bfa_cb_pending_q_s *cb);
 566 bfa_status_t bfa_fcport_clear_stats(struct bfa_s *bfa,
 567                         struct bfa_cb_pending_q_s *cb);
 568 bfa_boolean_t bfa_fcport_is_qos_enabled(struct bfa_s *bfa);
 569 bfa_boolean_t bfa_fcport_is_trunk_enabled(struct bfa_s *bfa);
 570 void bfa_fcport_dportenable(struct bfa_s *bfa);
 571 void bfa_fcport_dportdisable(struct bfa_s *bfa);
 572 bfa_status_t bfa_fcport_is_pbcdisabled(struct bfa_s *bfa);
 573 void bfa_fcport_cfg_faa(struct bfa_s *bfa, u8 state);
 574 bfa_status_t bfa_fcport_cfg_bbcr(struct bfa_s *bfa,
 575                         bfa_boolean_t on_off, u8 bb_scn);
 576 bfa_status_t bfa_fcport_get_bbcr_attr(struct bfa_s *bfa,
 577                         struct bfa_bbcr_attr_s *bbcr_attr);
 578
 579 /*
 580  * bfa rport API functions
 581  */
 582 struct bfa_rport_s *bfa_rport_create(struct bfa_s *bfa, void *rport_drv);
 583 void bfa_rport_online(struct bfa_rport_s *rport,
 584                       struct bfa_rport_info_s *rport_info);
 585 void bfa_rport_speed(struct bfa_rport_s *rport, enum bfa_port_speed speed);
 586 void bfa_cb_rport_online(void *rport);
 587 void bfa_cb_rport_offline(void *rport);
 588 void bfa_cb_rport_qos_scn_flowid(void *rport,
 589                                  struct bfa_rport_qos_attr_s old_qos_attr,
 590                                  struct bfa_rport_qos_attr_s new_qos_attr);
 591 void bfa_cb_rport_scn_online(struct bfa_s *bfa);
 592 void bfa_cb_rport_scn_offline(struct bfa_s *bfa);
 593 void bfa_cb_rport_scn_no_dev(void *rp);
 594 void bfa_cb_rport_qos_scn_prio(void *rport,
 595                                struct bfa_rport_qos_attr_s old_qos_attr,
 596                                struct bfa_rport_qos_attr_s new_qos_attr);
 597
 598 /*
 599  *      Rport LUN masking related
 600  */
 601 #define BFA_RPORT_TAG_INVALID   0xffff
 602 #define BFA_LP_TAG_INVALID      0xff
 603 void    bfa_rport_set_lunmask(struct bfa_s *bfa, struct bfa_rport_s *rp);
 604 void    bfa_rport_unset_lunmask(struct bfa_s *bfa, struct bfa_rport_s *rp);
 605
 606 /*
 607  * bfa fcxp API functions
 608  */
 609 struct bfa_fcxp_s *bfa_fcxp_req_rsp_alloc(void *bfad_fcxp, struct bfa_s *bfa,
 610                                   int nreq_sgles, int nrsp_sgles,
 611                                   bfa_fcxp_get_sgaddr_t get_req_sga,
 612                                   bfa_fcxp_get_sglen_t get_req_sglen,
 613                                   bfa_fcxp_get_sgaddr_t get_rsp_sga,
 614                                   bfa_fcxp_get_sglen_t get_rsp_sglen,
 615                                   bfa_boolean_t req);
 616 void bfa_fcxp_req_rsp_alloc_wait(struct bfa_s *bfa, struct bfa_fcxp_wqe_s *wqe,
 617                                 bfa_fcxp_alloc_cbfn_t alloc_cbfn,
 618                                 void *cbarg, void *bfad_fcxp,
 619                                 int nreq_sgles, int nrsp_sgles,
 620                                 bfa_fcxp_get_sgaddr_t get_req_sga,
 621                                 bfa_fcxp_get_sglen_t get_req_sglen,
 622                                 bfa_fcxp_get_sgaddr_t get_rsp_sga,
 623                                 bfa_fcxp_get_sglen_t get_rsp_sglen,
 624                                 bfa_boolean_t req);
 625 void bfa_fcxp_walloc_cancel(struct bfa_s *bfa,
 626                             struct bfa_fcxp_wqe_s *wqe);
 627 void bfa_fcxp_discard(struct bfa_fcxp_s *fcxp);
 628
 629 void *bfa_fcxp_get_reqbuf(struct bfa_fcxp_s *fcxp);
 630 void *bfa_fcxp_get_rspbuf(struct bfa_fcxp_s *fcxp);
 631
 632 void bfa_fcxp_free(struct bfa_fcxp_s *fcxp);
 633
 634 void bfa_fcxp_send(struct bfa_fcxp_s *fcxp, struct bfa_rport_s *rport,
 635                    u16 vf_id, u8 lp_tag,
 636                    bfa_boolean_t cts, enum fc_cos cos,
 637                    u32 reqlen, struct fchs_s *fchs,
 638                    bfa_cb_fcxp_send_t cbfn,
 639                    void *cbarg,
 640                    u32 rsp_maxlen, u8 rsp_timeout);
 641 bfa_status_t bfa_fcxp_abort(struct bfa_fcxp_s *fcxp);
 642 u32 bfa_fcxp_get_reqbufsz(struct bfa_fcxp_s *fcxp);
 643 u32 bfa_fcxp_get_maxrsp(struct bfa_s *bfa);
 644 void bfa_fcxp_res_recfg(struct bfa_s *bfa, u16 num_fcxp_fw);
 645
 646 static inline void *
 647 bfa_uf_get_frmbuf(struct bfa_uf_s *uf)
 648 {
 649         return uf->data_ptr;
 650 }
 651
 652 static inline   u16
 653 bfa_uf_get_frmlen(struct bfa_uf_s *uf)
 654 {
 655         return uf->data_len;
 656 }
 657
 658 /*
 659  * bfa uf API functions
 660  */
 661 void bfa_uf_recv_register(struct bfa_s *bfa, bfa_cb_uf_recv_t ufrecv,
 662                           void *cbarg);
 663 void bfa_uf_free(struct bfa_uf_s *uf);
 664
 665 /*
 666  * bfa lport service api
 667  */
 668
 669 u32 bfa_lps_get_max_vport(struct bfa_s *bfa);
 670 struct bfa_lps_s *bfa_lps_alloc(struct bfa_s *bfa);
 671 void bfa_lps_delete(struct bfa_lps_s *lps);
 672 void bfa_lps_flogi(struct bfa_lps_s *lps, void *uarg, u8 alpa,
 673                    u16 pdusz, wwn_t pwwn, wwn_t nwwn,
 674                    bfa_boolean_t auth_en);
 675 void bfa_lps_fdisc(struct bfa_lps_s *lps, void *uarg, u16 pdusz,
 676                    wwn_t pwwn, wwn_t nwwn);
 677 void bfa_lps_fdisclogo(struct bfa_lps_s *lps);
 678 void bfa_lps_set_n2n_pid(struct bfa_lps_s *lps, u32 n2n_pid);
 679 u8 bfa_lps_get_fwtag(struct bfa_s *bfa, u8 lp_tag);
 680 u32 bfa_lps_get_base_pid(struct bfa_s *bfa);
 681 u8 bfa_lps_get_tag_from_pid(struct bfa_s *bfa, u32 pid);
 682 void bfa_cb_lps_flogi_comp(void *bfad, void *uarg, bfa_status_t status);
 683 void bfa_cb_lps_flogo_comp(void *bfad, void *uarg);
 684 void bfa_cb_lps_fdisc_comp(void *bfad, void *uarg, bfa_status_t status);
 685 void bfa_cb_lps_fdisclogo_comp(void *bfad, void *uarg);
 686 void bfa_cb_lps_cvl_event(void *bfad, void *uarg);
 687
 688 /* FAA specific APIs */
 689 bfa_status_t bfa_faa_query(struct bfa_s *bfa, struct bfa_faa_attr_s *attr,
 690                         bfa_cb_iocfc_t cbfn, void *cbarg);
 691
 692 /*
 693  *      FC DIAG data structure
 694  */
 695 struct bfa_fcdiag_qtest_s {
 696         struct bfa_diag_qtest_result_s *result;
 697         bfa_cb_diag_t   cbfn;
 698         void            *cbarg;
 699         struct bfa_timer_s      timer;
 700         u32     status;
 701         u32     count;
 702         u8      lock;
 703         u8      queue;
 704         u8      all;
 705         u8      timer_active;
 706 };
 707
 708 struct bfa_fcdiag_lb_s {
 709         bfa_cb_diag_t   cbfn;
 710         void            *cbarg;
 711         void            *result;
 712         bfa_boolean_t   lock;
 713         u32        status;
 714 };
 715
 716 struct bfa_dport_s {
 717         struct bfa_s    *bfa;           /* Back pointer to BFA  */
 718         bfa_sm_t        sm;             /* finite state machine */
 719         struct bfa_reqq_wait_s reqq_wait;
 720         bfa_cb_diag_t   cbfn;
 721         void            *cbarg;
 722         union bfi_diag_dport_msg_u i2hmsg;
 723         u8              test_state;     /* enum dport_test_state  */
 724         u8              dynamic;        /* boolean_t  */
 725         u8              rsvd[2];
 726         u32             lpcnt;
 727         u32             payload;        /* user defined payload pattern */
 728         wwn_t           rp_pwwn;
 729         wwn_t           rp_nwwn;
 730         struct bfa_diag_dport_result_s result;
 731 };
 732
 733 struct bfa_fcdiag_s {
 734         struct bfa_s    *bfa;           /* Back pointer to BFA */
 735         struct bfa_trc_mod_s   *trcmod;
 736         struct bfa_fcdiag_lb_s lb;
 737         struct bfa_fcdiag_qtest_s qtest;
 738         struct bfa_dport_s      dport;
 739 };
 740
 741 #define BFA_FCDIAG_MOD(__bfa)   (&(__bfa)->modules.fcdiag)
 742
 743 void    bfa_fcdiag_intr(struct bfa_s *bfa, struct bfi_msg_s *msg);
 744
 745 bfa_status_t    bfa_fcdiag_loopback(struct bfa_s *bfa,
 746                                 enum bfa_port_opmode opmode,
 747                                 enum bfa_port_speed speed, u32 lpcnt, u32 pat,
 748                                 struct bfa_diag_loopback_result_s *result,
 749                                 bfa_cb_diag_t cbfn, void *cbarg);
 750 bfa_status_t    bfa_fcdiag_queuetest(struct bfa_s *bfa, u32 ignore,
 751                         u32 queue, struct bfa_diag_qtest_result_s *result,
 752                         bfa_cb_diag_t cbfn, void *cbarg);
 753 bfa_status_t    bfa_fcdiag_lb_is_running(struct bfa_s *bfa);
 754 bfa_status_t    bfa_dport_enable(struct bfa_s *bfa, u32 lpcnt, u32 pat,
 755                                         bfa_cb_diag_t cbfn, void *cbarg);
 756 bfa_status_t    bfa_dport_disable(struct bfa_s *bfa, bfa_cb_diag_t cbfn,
 757                                   void *cbarg);
 758 bfa_status_t    bfa_dport_start(struct bfa_s *bfa, u32 lpcnt, u32 pat,
 759                                 bfa_cb_diag_t cbfn, void *cbarg);
 760 bfa_status_t    bfa_dport_show(struct bfa_s *bfa,
 761                                 struct bfa_diag_dport_result_s *result);
 762
 763 #endif /* __BFA_SVC_H__ */