arch/s390/kernel/compat_ioctl.c

   1 /*
   2  * ioctl32.c: Conversion between 32bit and 64bit native ioctls.
   3  *
   4  *  S390 version
   5  *    Copyright (C) 2000-2003 IBM Deutschland Entwicklung GmbH, IBM Corporation
   6  *    Author(s): Gerhard Tonn (ton@de.ibm.com)
   7  *               Arnd Bergmann (arndb@de.ibm.com)
   8  *
   9  * Original implementation from 32-bit Sparc compat code which is
  10  * Copyright (C) 2000 Silicon Graphics, Inc.
  11  * Written by Ulf Carlsson (ulfc@engr.sgi.com)
  12  */
  13
  14 #include "compat_linux.h"
  15 #define INCLUDES
  16 #define CODE
  17 #include "../../../fs/compat_ioctl.c"
  18 #include <asm/dasd.h>
  19 #include <asm/tape390.h>
  20
  21 static int do_ioctl32_pointer(unsigned int fd, unsigned int cmd,
  22                                 unsigned long arg, struct file *f)
  23 {
  24         return sys_ioctl(fd, cmd, (unsigned long)compat_ptr(arg));
  25 }
  26
  27 static int do_ioctl32_ulong(unsigned int fd, unsigned int cmd,
  28                                 unsigned long arg, struct file *f)
  29 {
  30         return sys_ioctl(fd, cmd, arg);
  31 }
  32
  33 #define COMPATIBLE_IOCTL(cmd)           HANDLE_IOCTL((cmd),(ioctl_trans_handler_t)do_ioctl32_pointer)
  34 #define ULONG_IOCTL(cmd)                HANDLE_IOCTL((cmd),(ioctl_trans_handler_t)do_ioctl32_ulong)
  35 #define HANDLE_IOCTL(cmd,handler)       { (cmd), (ioctl_trans_handler_t)(handler), NULL },
  36
  37 struct ioctl_trans ioctl_start[] = {
  38 /* architecture independent ioctls */
  39 #include <linux/compat_ioctl.h>
  40 #define DECLARES
  41 #include "../../../fs/compat_ioctl.c"
  42
  43 /* s390 only ioctls */
  44 #if defined(CONFIG_DASD) || defined(CONFIG_DASD_MODULE)
  45 COMPATIBLE_IOCTL(DASDAPIVER)
  46 COMPATIBLE_IOCTL(BIODASDDISABLE)
  47 COMPATIBLE_IOCTL(BIODASDENABLE)
  48 COMPATIBLE_IOCTL(BIODASDRSRV)
  49 COMPATIBLE_IOCTL(BIODASDRLSE)
  50 COMPATIBLE_IOCTL(BIODASDSLCK)
  51 COMPATIBLE_IOCTL(BIODASDINFO)
  52 COMPATIBLE_IOCTL(BIODASDINFO2)
  53 COMPATIBLE_IOCTL(BIODASDFMT)
  54 COMPATIBLE_IOCTL(BIODASDPRRST)
  55 COMPATIBLE_IOCTL(BIODASDQUIESCE)
  56 COMPATIBLE_IOCTL(BIODASDRESUME)
  57 COMPATIBLE_IOCTL(BIODASDPRRD)
  58 COMPATIBLE_IOCTL(BIODASDPSRD)
  59 COMPATIBLE_IOCTL(BIODASDGATTR)
  60 COMPATIBLE_IOCTL(BIODASDSATTR)
  61
  62 #endif
  63
  64 #if defined(CONFIG_S390_TAPE) || defined(CONFIG_S390_TAPE_MODULE)
  65 COMPATIBLE_IOCTL(TAPE390_DISPLAY)
  66 #endif
  67
  68 /* s390 doesn't need handlers here */
  69 COMPATIBLE_IOCTL(TIOCGSERIAL)
  70 COMPATIBLE_IOCTL(TIOCSSERIAL)
  71 };
  72
  73 int ioctl_table_size = ARRAY_SIZE(ioctl_start);