drivers/scsi/bfa/include/bfi/bfi_fcxp.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 __BFI_FCXP_H__
  19 #define __BFI_FCXP_H__
  20
  21 #include "bfi.h"
  22
  23 #pragma pack(1)
  24
  25 enum bfi_fcxp_h2i {
  26         BFI_FCXP_H2I_SEND_REQ = 1,
  27 };
  28
  29 enum bfi_fcxp_i2h {
  30         BFI_FCXP_I2H_SEND_RSP = BFA_I2HM(1),
  31 };
  32
  33 #define BFA_FCXP_MAX_SGES       2
  34
  35 /**
  36  * FCXP send request structure
  37  */
  38 struct bfi_fcxp_send_req_s {
  39         struct bfi_mhdr_s  mh;          /*  Common msg header               */
  40         u16        fcxp_tag;    /*  driver request tag              */
  41         u16        max_frmsz;   /*  max send frame size     */
  42         u16        vf_id;               /*  vsan tag if applicable          */
  43         u16        rport_fw_hndl;       /*  FW Handle for the remote port  */
  44         u8         class;               /*  FC class used for req/rsp       */
  45         u8         rsp_timeout; /*  timeout in secs, 0-no response */
  46         u8         cts;         /*  continue sequence               */
  47         u8         lp_tag;              /*  lport tag                       */
  48         struct fchs_s   fchs;           /*  request FC header structure    */
  49         u32        req_len;     /*  request payload length          */
  50         u32        rsp_maxlen;  /*  max response length expected   */
  51         struct bfi_sge_s   req_sge[BFA_FCXP_MAX_SGES];  /*  request buf    */
  52         struct bfi_sge_s   rsp_sge[BFA_FCXP_MAX_SGES];  /*  response buf   */
  53 };
  54
  55 /**
  56  * FCXP send response structure
  57  */
  58 struct bfi_fcxp_send_rsp_s {
  59         struct bfi_mhdr_s  mh;          /*  Common msg header               */
  60         u16        fcxp_tag;    /*  send request tag                */
  61         u8         req_status;  /*  request status                  */
  62         u8         rsvd;
  63         u32        rsp_len;     /*  actual response length          */
  64         u32        residue_len; /*  residual response length        */
  65         struct fchs_s   fchs;           /*  response FC header structure   */
  66 };
  67
  68 #pragma pack()
  69
  70 #endif /* __BFI_FCXP_H__ */
  71