drivers/scsi/bfa/include/defs/bfa_defs_boot.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_DEFS_BOOT_H__
  19 #define __BFA_DEFS_BOOT_H__
  20
  21 #include <protocol/types.h>
  22 #include <defs/bfa_defs_types.h>
  23 #include <defs/bfa_defs_pport.h>
  24
  25 enum {
  26         BFA_BOOT_BOOTLUN_MAX = 4,       /*  maximum boot lun per IOC */
  27 };
  28
  29 #define BOOT_CFG_REV1   1
  30
  31 /**
  32  *      Boot options setting. Boot options setting determines from where
  33  *      to get the boot lun information
  34  */
  35 enum bfa_boot_bootopt {
  36     BFA_BOOT_AUTO_DISCOVER = 0,    /*  Boot from blun provided by fabric */
  37     BFA_BOOT_STORED_BLUN   = 1,    /*  Boot from bluns stored in flash   */
  38     BFA_BOOT_FIRST_LUN     = 2,    /*  Boot from first discovered blun   */
  39 };
  40
  41 /**
  42  * Boot lun information.
  43  */
  44 struct bfa_boot_bootlun_s {
  45         wwn_t           pwwn;   /*  port wwn of target */
  46         lun_t           lun;    /*  64-bit lun */
  47 };
  48
  49 /**
  50  * BOOT boot configuraton
  51  */
  52 struct bfa_boot_cfg_s {
  53         u8         version;
  54         u8         rsvd1;
  55         u16        chksum;
  56
  57         u8         enable;              /*  enable/disable SAN boot */
  58         u8         speed;               /*  boot speed settings */
  59         u8         topology;    /*  boot topology setting */
  60         u8         bootopt;     /*  bfa_boot_bootopt_t */
  61
  62         u32        nbluns;              /*  number of boot luns */
  63
  64         u32        rsvd2;
  65
  66         struct bfa_boot_bootlun_s blun[BFA_BOOT_BOOTLUN_MAX];
  67         struct bfa_boot_bootlun_s blun_disc[BFA_BOOT_BOOTLUN_MAX];
  68 };
  69
  70
  71 #endif /* __BFA_DEFS_BOOT_H__ */