3460dc486d
Fix a compilation failure with musl libc. * evdev.c: Include <linux/ioctl.h>. * ioctl.c: Include <linux/ioctl.h> instead of <asm/ioctl.h>. * ioctlsort.c: Likewise. Reported-by: Dima Krasner <dima@dimakrasner.com> Acked-by: Mike Frysinger <vapier@gentoo.org>
315 lines
8.0 KiB
C
315 lines
8.0 KiB
C
/*
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* Copyright (c) 1991, 1992 Paul Kranenburg <pk@cs.few.eur.nl>
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* Copyright (c) 1993 Branko Lankester <branko@hacktic.nl>
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* Copyright (c) 1993, 1994, 1995, 1996 Rick Sladkey <jrs@world.std.com>
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* Copyright (c) 1996-2001 Wichert Akkerman <wichert@cistron.nl>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "defs.h"
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#include <linux/ioctl.h>
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#include "xlat/ioctl_dirs.h"
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#ifdef HAVE_LINUX_INPUT_H
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# include <linux/input.h>
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#endif
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#include "xlat/evdev_abs.h"
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#include "xlat/evdev_ev.h"
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static int
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compare(const void *a, const void *b)
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{
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const unsigned int code1 = (const unsigned long) a;
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const unsigned int code2 = ((struct_ioctlent *) b)->code;
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return (code1 > code2) ? 1 : (code1 < code2) ? -1 : 0;
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}
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const struct_ioctlent *
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ioctl_lookup(const unsigned int code)
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{
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struct_ioctlent *iop;
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iop = bsearch((const void *) (const unsigned long) code, ioctlent,
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nioctlents, sizeof(ioctlent[0]), compare);
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while (iop > ioctlent) {
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iop--;
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if (iop->code != code) {
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iop++;
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break;
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}
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}
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return iop;
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}
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const struct_ioctlent *
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ioctl_next_match(const struct_ioctlent *iop)
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{
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const unsigned int code = iop->code;
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iop++;
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if (iop < ioctlent + nioctlents && iop->code == code)
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return iop;
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return NULL;
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}
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void
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ioctl_print_code(const unsigned int code)
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{
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tprints("_IOC(");
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printflags(ioctl_dirs, _IOC_DIR(code), "_IOC_???");
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tprintf(", 0x%02x, 0x%02x, 0x%02x)",
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_IOC_TYPE(code), _IOC_NR(code), _IOC_SIZE(code));
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}
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static int
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evdev_decode_number(unsigned int arg)
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{
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unsigned int nr = _IOC_NR(arg);
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if (_IOC_DIR(arg) == _IOC_WRITE) {
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if (nr >= 0xc0 && nr <= 0xc0 + 0x3f) {
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tprints("EVIOCSABS(");
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printxval(evdev_abs, nr - 0xc0, "EV_???");
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tprints(")");
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return 1;
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}
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}
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if (_IOC_DIR(arg) != _IOC_READ)
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return 0;
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if (nr >= 0x20 && nr <= 0x20 + 0x1f) {
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tprints("EVIOCGBIT(");
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printxval(evdev_ev, nr - 0x20, "EV_???");
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tprintf(", %u)", _IOC_SIZE(arg));
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return 1;
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} else if (nr >= 0x40 && nr <= 0x40 + 0x3f) {
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tprints("EVIOCGABS(");
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printxval(evdev_abs, nr - 0x40, "ABS_???");
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tprints(")");
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return 1;
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}
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switch (_IOC_NR(nr)) {
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case 0x06:
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tprintf("EVIOCGNAME(%u)", _IOC_SIZE(arg));
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return 1;
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case 0x07:
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tprintf("EVIOCGPHYS(%u)", _IOC_SIZE(arg));
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return 1;
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case 0x08:
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tprintf("EVIOCGUNIQ(%u)", _IOC_SIZE(arg));
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return 1;
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case 0x09:
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tprintf("EVIOCGPROP(%u)", _IOC_SIZE(arg));
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return 1;
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case 0x0a:
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tprintf("EVIOCGMTSLOTS(%u)", _IOC_SIZE(arg));
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return 1;
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case 0x18:
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tprintf("EVIOCGKEY(%u)", _IOC_SIZE(arg));
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return 1;
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case 0x19:
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tprintf("EVIOCGLED(%u)", _IOC_SIZE(arg));
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return 1;
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case 0x1a:
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tprintf("EVIOCGSND(%u)", _IOC_SIZE(arg));
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return 1;
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case 0x1b:
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tprintf("EVIOCGSW(%u)", _IOC_SIZE(arg));
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return 1;
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default:
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return 0;
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}
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}
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static int
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hiddev_decode_number(unsigned int arg)
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{
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if (_IOC_DIR(arg) == _IOC_READ) {
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switch (_IOC_NR(arg)) {
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case 0x04:
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tprintf("HIDIOCGRAWNAME(%u)", _IOC_SIZE(arg));
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return 1;
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case 0x05:
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tprintf("HIDIOCGRAWPHYS(%u)", _IOC_SIZE(arg));
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return 1;
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case 0x06:
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tprintf("HIDIOCSFEATURE(%u)", _IOC_SIZE(arg));
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return 1;
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case 0x12:
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tprintf("HIDIOCGPHYS(%u)", _IOC_SIZE(arg));
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return 1;
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default:
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return 0;
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}
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} else if (_IOC_DIR(arg) == (_IOC_READ | _IOC_WRITE)) {
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switch (_IOC_NR(arg)) {
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case 0x06:
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tprintf("HIDIOCSFEATURE(%u)", _IOC_SIZE(arg));
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return 1;
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case 0x07:
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tprintf("HIDIOCGFEATURE(%u)", _IOC_SIZE(arg));
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return 1;
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default:
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return 0;
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}
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}
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return 0;
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}
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int
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ioctl_decode_command_number(unsigned int arg)
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{
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switch (_IOC_TYPE(arg)) {
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case 'E':
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return evdev_decode_number(arg);
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case 'H':
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return hiddev_decode_number(arg);
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case 'M':
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if (_IOC_DIR(arg) == _IOC_WRITE) {
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tprintf("MIXER_WRITE(%u)", _IOC_NR(arg));
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return 1;
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} else if (_IOC_DIR(arg) == _IOC_READ) {
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tprintf("MIXER_READ(%u)", _IOC_NR(arg));
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return 1;
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}
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return 0;
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case 'U':
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if (_IOC_DIR(arg) == _IOC_READ && _IOC_NR(arg) == 0x2c) {
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tprintf("UI_GET_SYSNAME(%u)", _IOC_SIZE(arg));
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return 1;
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}
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return 0;
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case 'j':
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if (_IOC_DIR(arg) == _IOC_READ && _IOC_NR(arg) == 0x13) {
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tprintf("JSIOCGNAME(%u)", _IOC_SIZE(arg));
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return 1;
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}
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return 0;
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case 'k':
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if (_IOC_DIR(arg) == _IOC_WRITE && _IOC_NR(arg) == 0) {
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tprintf("SPI_IOC_MESSAGE(%u)", _IOC_SIZE(arg));
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return 1;
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}
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return 0;
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default:
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return 0;
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}
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}
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int
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ioctl_decode(struct tcb *tcp, unsigned int code, long arg)
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{
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switch (_IOC_TYPE(code)) {
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#if defined(ALPHA) || defined(POWERPC)
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case 'f': case 't': case 'T':
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#else /* !ALPHA */
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case 0x54:
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#endif /* !ALPHA */
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return term_ioctl(tcp, code, arg);
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case 0x89:
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return sock_ioctl(tcp, code, arg);
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case 'p':
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return rtc_ioctl(tcp, code, arg);
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case 0x03:
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case 0x12:
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case 'X':
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return block_ioctl(tcp, code, arg);
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#ifdef HAVE_SCSI_SG_H
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case 0x22:
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return scsi_ioctl(tcp, code, arg);
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#endif
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case 'L':
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return loop_ioctl(tcp, code, arg);
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case 'M':
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return mtd_ioctl(tcp, code, arg);
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case 'o':
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case 'O':
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return ubi_ioctl(tcp, code, arg);
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case 'V':
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return v4l2_ioctl(tcp, code, arg);
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case '=':
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return ptp_ioctl(tcp, code, arg);
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#ifdef HAVE_LINUX_INPUT_H
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case 'E':
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return evdev_ioctl(tcp, code, arg);
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#endif
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default:
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break;
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}
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return 0;
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}
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/*
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* Registry of ioctl characters, culled from
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* @(#)ioccom.h 1.7 89/06/16 SMI; from UCB ioctl.h 7.1 6/4/86
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*
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* char file where defined notes
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* ---- ------------------ -----
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* F sun/fbio.h
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* G sun/gpio.h
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* H vaxif/if_hy.h
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* M sundev/mcpcmd.h *overlap*
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* M sys/modem.h *overlap*
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* S sys/stropts.h
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* T sys/termio.h -no overlap-
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* T sys/termios.h -no overlap-
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* V sundev/mdreg.h
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* a vaxuba/adreg.h
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* d sun/dkio.h -no overlap with sys/des.h-
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* d sys/des.h (possible overlap)
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* d vax/dkio.h (possible overlap)
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* d vaxuba/rxreg.h (possible overlap)
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* f sys/filio.h
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* g sunwindow/win_ioctl.h -no overlap-
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* g sunwindowdev/winioctl.c !no manifest constant! -no overlap-
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* h sundev/hrc_common.h
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* i sys/sockio.h *overlap*
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* i vaxuba/ikreg.h *overlap*
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* k sundev/kbio.h
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* m sundev/msio.h (possible overlap)
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* m sundev/msreg.h (possible overlap)
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* m sys/mtio.h (possible overlap)
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* n sun/ndio.h
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* p net/nit_buf.h (possible overlap)
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* p net/nit_if.h (possible overlap)
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* p net/nit_pf.h (possible overlap)
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* p sundev/fpareg.h (possible overlap)
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* p sys/sockio.h (possible overlap)
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* p vaxuba/psreg.h (possible overlap)
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* q sun/sqz.h
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* r sys/sockio.h
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* s sys/sockio.h
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* t sys/ttold.h (possible overlap)
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* t sys/ttycom.h (possible overlap)
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* v sundev/vuid_event.h *overlap*
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* v sys/vcmd.h *overlap*
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* V linux/videodev2.h
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*
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* End of Registry
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*/
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