tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*
2 * Implements some necessary HPUX ioctls.
3 *
4 * Copyright (C) 1999-2002 Matthew Wilcox <willy with parisc-linux.org>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 */
20
21/*
22 * Supported ioctls:
23 * TCGETA
24 * TCSETA
25 * TCSETAW
26 * TCSETAF
27 * TCSBRK
28 * TCXONC
29 * TCFLSH
30 * TIOCGWINSZ
31 * TIOCSWINSZ
32 * TIOCGPGRP
33 * TIOCSPGRP
34 */
35
36#include <linux/sched.h>
37#include <linux/smp_lock.h>
38#include <linux/syscalls.h>
39#include <asm/errno.h>
40#include <asm/ioctl.h>
41#include <asm/termios.h>
42#include <asm/uaccess.h>
43
44static int hpux_ioctl_t(int fd, unsigned long cmd, unsigned long arg)
45{
46 int result = -EOPNOTSUPP;
47 int nr = _IOC_NR(cmd);
48 switch (nr) {
49 case 106:
50 result = sys_ioctl(fd, TIOCSWINSZ, arg);
51 break;
52 case 107:
53 result = sys_ioctl(fd, TIOCGWINSZ, arg);
54 break;
55 }
56 return result;
57}
58
59int hpux_ioctl(int fd, unsigned long cmd, unsigned long arg)
60{
61 int result = -EOPNOTSUPP;
62 int type = _IOC_TYPE(cmd);
63 switch (type) {
64 case 'T':
65 /* Our structures are now compatible with HPUX's */
66 result = sys_ioctl(fd, cmd, arg);
67 break;
68 case 't':
69 result = hpux_ioctl_t(fd, cmd, arg);
70 break;
71 }
72 return result;
73}