drivers/char/rio/cmdblk.h

   1 /*
   2 ** -----------------------------------------------------------------------------
   3 **
   4 **  Perle Specialix driver for Linux
   5 **  Ported from existing RIO Driver for SCO sources.
   6  *
   7  *  (C) 1990 - 2000 Specialix International Ltd., Byfleet, Surrey, UK.
   8  *
   9  *      This program is free software; you can redistribute it and/or modify
  10  *      it under the terms of the GNU General Public License as published by
  11  *      the Free Software Foundation; either version 2 of the License, or
  12  *      (at your option) any later version.
  13  *
  14  *      This program is distributed in the hope that it will be useful,
  15  *      but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  *      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  *      GNU General Public License for more details.
  18  *
  19  *      You should have received a copy of the GNU General Public License
  20  *      along with this program; if not, write to the Free Software
  21  *      Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  22 **
  23 **      Module          : cmdblk.h
  24 **      SID             : 1.2
  25 **      Last Modified   : 11/6/98 11:34:09
  26 **      Retrieved       : 11/6/98 11:34:20
  27 **
  28 **  ident @(#)cmdblk.h  1.2
  29 **
  30 ** -----------------------------------------------------------------------------
  31 */
  32
  33 #ifndef __rio_cmdblk_h__
  34 #define __rio_cmdblk_h__
  35
  36 /*
  37 ** the structure of a command block, used to queue commands destined for
  38 ** a rup.
  39 */
  40
  41 struct CmdBlk {
  42         struct CmdBlk *NextP;   /* Pointer to next command block */
  43         struct PKT Packet;      /* A packet, to copy to the rup */
  44         /* The func to call to check if OK */
  45         int (*PreFuncP) (unsigned long, struct CmdBlk *);
  46         int PreArg;             /* The arg for the func */
  47         /* The func to call when completed */
  48         int (*PostFuncP) (unsigned long, struct CmdBlk *);
  49         int PostArg;            /* The arg for the func */
  50 };
  51
  52 #define NUM_RIO_CMD_BLKS (3 * (MAX_RUP * 4 + LINKS_PER_UNIT * 4))
  53 #endif