release/src-rt-6.x.4708/linux/linux-2.6.36/drivers/scsi/bfa/bfa_rport_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
  18 #ifndef __BFA_RPORT_PRIV_H__
  19 #define __BFA_RPORT_PRIV_H__
  20
  21 #include <bfa_svc.h>
  22
  23 #define BFA_RPORT_MIN   4
  24
  25 struct bfa_rport_mod_s {
  26         struct bfa_rport_s *rps_list;   /*  list of rports      */
  27         struct list_head        rp_free_q;      /*  free bfa_rports     */
  28         struct list_head        rp_active_q;    /*  free bfa_rports     */
  29         u16     num_rports;     /*  number of rports    */
  30 };
  31
  32 #define BFA_RPORT_MOD(__bfa)    (&(__bfa)->modules.rport_mod)
  33
  34 /**
  35  * Convert rport tag to RPORT
  36  */
  37 #define BFA_RPORT_FROM_TAG(__bfa, _tag)                         \
  38         (BFA_RPORT_MOD(__bfa)->rps_list +                               \
  39          ((_tag) & (BFA_RPORT_MOD(__bfa)->num_rports - 1)))
  40
  41 /*
  42  * external functions
  43  */
  44 void    bfa_rport_isr(struct bfa_s *bfa, struct bfi_msg_s *msg);
  45 #endif /* __BFA_RPORT_PRIV_H__ */