arch/ia64/ia32/ia32_ioctl.c

   1 /*
   2  * IA32 Architecture-specific ioctl shim code
   3  *
   4  * Copyright (C) 2000 VA Linux Co
   5  * Copyright (C) 2000 Don Dugger <n0ano@valinux.com>
   6  * Copyright (C) 2001-2003 Hewlett-Packard Co
   7  *      David Mosberger-Tang <davidm@hpl.hp.com>
   8  */
   9
  10 #include <linux/signal.h>       /* argh, msdos_fs.h isn't self-contained... */
  11 #include <linux/syscalls.h>
  12 #include "ia32priv.h"
  13
  14 #define INCLUDES
  15 #include "compat_ioctl.c"
  16
  17 #define IOCTL_NR(a)     ((a) & ~(_IOC_SIZEMASK << _IOC_SIZESHIFT))
  18
  19 #define DO_IOCTL(fd, cmd, arg) ({                       \
  20         int _ret;                                       \
  21         mm_segment_t _old_fs = get_fs();                \
  22                                                         \
  23         set_fs(KERNEL_DS);                              \
  24         _ret = sys_ioctl(fd, cmd, (unsigned long)arg);  \
  25         set_fs(_old_fs);                                \
  26         _ret;                                           \
  27 })
  28
  29 #define CODE
  30 #include "compat_ioctl.c"
  31
  32 typedef int (* ioctl32_handler_t)(unsigned int, unsigned int, unsigned long, struct file *);
  33
  34 #define COMPATIBLE_IOCTL(cmd)           HANDLE_IOCTL((cmd),sys_ioctl)
  35 #define HANDLE_IOCTL(cmd,handler)       { (cmd), (ioctl32_handler_t)(handler), NULL },
  36 #define IOCTL_TABLE_START \
  37         struct ioctl_trans ioctl_start[] = {
  38 #define IOCTL_TABLE_END \
  39         };
  40
  41 IOCTL_TABLE_START
  42 #define DECLARES
  43 #include "compat_ioctl.c"
  44 #include <linux/compat_ioctl.h>
  45 IOCTL_TABLE_END
  46
  47 int ioctl_table_size = ARRAY_SIZE(ioctl_start);