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/arch/s390/kernel/compat_ioctl.c

https://bitbucket.org/evzijst/gittest
C | 73 lines | 48 code | 10 blank | 15 comment | 2 complexity | c8b7a20048f827c0e829cace0e44b926 MD5 | raw file
 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
21static 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
27static 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
37struct 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)
45COMPATIBLE_IOCTL(DASDAPIVER)
46COMPATIBLE_IOCTL(BIODASDDISABLE)
47COMPATIBLE_IOCTL(BIODASDENABLE)
48COMPATIBLE_IOCTL(BIODASDRSRV)
49COMPATIBLE_IOCTL(BIODASDRLSE)
50COMPATIBLE_IOCTL(BIODASDSLCK)
51COMPATIBLE_IOCTL(BIODASDINFO)
52COMPATIBLE_IOCTL(BIODASDINFO2)
53COMPATIBLE_IOCTL(BIODASDFMT)
54COMPATIBLE_IOCTL(BIODASDPRRST)
55COMPATIBLE_IOCTL(BIODASDQUIESCE)
56COMPATIBLE_IOCTL(BIODASDRESUME)
57COMPATIBLE_IOCTL(BIODASDPRRD)
58COMPATIBLE_IOCTL(BIODASDPSRD)
59COMPATIBLE_IOCTL(BIODASDGATTR)
60COMPATIBLE_IOCTL(BIODASDSATTR)
61
62#endif
63
64#if defined(CONFIG_S390_TAPE) || defined(CONFIG_S390_TAPE_MODULE)
65COMPATIBLE_IOCTL(TAPE390_DISPLAY)
66#endif
67
68/* s390 doesn't need handlers here */
69COMPATIBLE_IOCTL(TIOCGSERIAL)
70COMPATIBLE_IOCTL(TIOCSSERIAL)
71};
72
73int ioctl_table_size = ARRAY_SIZE(ioctl_start);