drivers/scsi/bfa/bfa_uf_priv.h

   1 /*
   2  * Copyright (c) 2005-2009 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 #ifndef __BFA_UF_PRIV_H__
  18 #define __BFA_UF_PRIV_H__
  19
  20 #include <cs/bfa_sm.h>
  21 #include <bfa_svc.h>
  22 #include <bfi/bfi_uf.h>
  23
  24 #define BFA_UF_MIN      (4)
  25
  26 struct bfa_uf_mod_s {
  27         struct bfa_s *bfa;              /*  back pointer to BFA */
  28         struct bfa_uf_s *uf_list;       /*  array of UFs */
  29         u16     num_ufs;        /*  num unsolicited rx frames */
  30         struct list_head        uf_free_q;      /*  free UFs */
  31         struct list_head        uf_posted_q;    /*  UFs posted to IOC */
  32         struct bfa_uf_buf_s *uf_pbs_kva;        /*  list UF bufs request pld */
  33         u64     uf_pbs_pa;      /*  phy addr for UF bufs */
  34         struct bfi_uf_buf_post_s *uf_buf_posts;
  35                                         /*  pre-built UF post msgs */
  36         bfa_cb_uf_recv_t ufrecv;        /*  uf recv handler function */
  37         void            *cbarg;         /*  uf receive handler arg */
  38 };
  39
  40 #define BFA_UF_MOD(__bfa)       (&(__bfa)->modules.uf_mod)
  41
  42 #define ufm_pbs_pa(_ufmod, _uftag)      \
  43         ((_ufmod)->uf_pbs_pa + sizeof(struct bfa_uf_buf_s) * (_uftag))
  44
  45 void    bfa_uf_isr(struct bfa_s *bfa, struct bfi_msg_s *msg);
  46
  47 #endif /* __BFA_UF_PRIV_H__ */