arch/ppc64/kernel/ioctl32.c

   1 /*
   2  * ioctl32.c: Conversion between 32bit and 64bit native ioctls.
   3  *
   4  * Based on sparc64 ioctl32.c by:
   5  *
   6  * Copyright (C) 1997-2000  Jakub Jelinek  (jakub@redhat.com)
   7  * Copyright (C) 1998  Eddie C. Dost  (ecd@skynet.be)
   8  *
   9  * ppc64 changes:
  10  *
  11  * Copyright (C) 2000  Ken Aaker (kdaaker@rchland.vnet.ibm.com)
  12  * Copyright (C) 2001  Anton Blanchard (antonb@au.ibm.com)
  13  *
  14  * These routines maintain argument size conversion between 32bit and 64bit
  15  * ioctls.
  16  *
  17  * This program is free software; you can redistribute it and/or
  18  * modify it under the terms of the GNU General Public License
  19  * as published by the Free Software Foundation; either version
  20  * 2 of the License, or (at your option) any later version.
  21  */
  22
  23 #define INCLUDES
  24 #include "compat_ioctl.c"
  25 #include <linux/syscalls.h>
  26
  27 #define CODE
  28 #include "compat_ioctl.c"
  29
  30 #define HANDLE_IOCTL(cmd,handler) { cmd, (ioctl_trans_handler_t)handler, NULL },
  31 #define COMPATIBLE_IOCTL(cmd) HANDLE_IOCTL(cmd,sys_ioctl)
  32
  33 #define IOCTL_TABLE_START \
  34         struct ioctl_trans ioctl_start[] = {
  35 #define IOCTL_TABLE_END \
  36         };
  37
  38 IOCTL_TABLE_START
  39 #include <linux/compat_ioctl.h>
  40 #define DECLARES
  41 #include "compat_ioctl.c"
  42
  43 /* Little p (/dev/rtc, /dev/envctrl, etc.) */
  44 COMPATIBLE_IOCTL(_IOR('p', 20, int[7])) /* RTCGET */
  45 COMPATIBLE_IOCTL(_IOW('p', 21, int[7])) /* RTCSET */
  46
  47 IOCTL_TABLE_END
  48
  49 int ioctl_table_size = ARRAY_SIZE(ioctl_start);