compiler/include/exec/io.h

   1 #ifndef EXEC_IO_H
   2 #define EXEC_IO_H
   3
   4 /*
   5     Copyright © 1995-2001, The AROS Development Team. All rights reserved.
   6     $Id$
   7
   8     Desc: Device communication
   9     Lang: english
  10 */
  11
  12 #ifndef EXEC_PORTS_H
  13 #   include <exec/ports.h>
  14 #endif
  15
  16 #define DEV_BEGINIO (-30)
  17 #define DEV_ABORTIO (-36)
  18
  19 struct IORequest
  20 {
  21     struct Message  io_Message;
  22     struct Device * io_Device;
  23     struct Unit   * io_Unit;
  24     UWORD           io_Command;
  25     UBYTE           io_Flags;
  26     BYTE            io_Error;
  27 };
  28
  29 struct IOStdReq
  30 {
  31     struct Message  io_Message;
  32     struct Device * io_Device;
  33     struct Unit   * io_Unit;
  34     UWORD           io_Command;
  35     UBYTE           io_Flags;
  36     BYTE            io_Error;
  37 /* fields that are different from IORequest */
  38     ULONG           io_Actual;
  39     ULONG           io_Length;
  40     APTR            io_Data;
  41     ULONG           io_Offset;
  42 };
  43
  44 #define CMD_INVALID 0
  45 #define CMD_RESET   1
  46 #define CMD_READ    2
  47 #define CMD_WRITE   3
  48 #define CMD_UPDATE  4
  49 #define CMD_CLEAR   5
  50 #define CMD_STOP    6
  51 #define CMD_START   7
  52 #define CMD_FLUSH   8
  53 #define CMD_NONSTD  9
  54
  55 #define IOB_QUICK     0
  56 #define IOF_QUICK (1<<0)
  57
  58 #endif /* EXEC_IO_H */