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1da177e4 LT |
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> | |
1da177e4 LT |
37 | #include <linux/syscalls.h> |
38 | #include <asm/errno.h> | |
39 | #include <asm/ioctl.h> | |
40 | #include <asm/termios.h> | |
41 | #include <asm/uaccess.h> | |
42 | ||
43 | static int hpux_ioctl_t(int fd, unsigned long cmd, unsigned long arg) | |
44 | { | |
45 | int result = -EOPNOTSUPP; | |
46 | int nr = _IOC_NR(cmd); | |
47 | switch (nr) { | |
48 | case 106: | |
49 | result = sys_ioctl(fd, TIOCSWINSZ, arg); | |
50 | break; | |
51 | case 107: | |
52 | result = sys_ioctl(fd, TIOCGWINSZ, arg); | |
53 | break; | |
54 | } | |
55 | return result; | |
56 | } | |
57 | ||
58 | int hpux_ioctl(int fd, unsigned long cmd, unsigned long arg) | |
59 | { | |
60 | int result = -EOPNOTSUPP; | |
61 | int type = _IOC_TYPE(cmd); | |
62 | switch (type) { | |
63 | case 'T': | |
64 | /* Our structures are now compatible with HPUX's */ | |
65 | result = sys_ioctl(fd, cmd, arg); | |
66 | break; | |
67 | case 't': | |
68 | result = hpux_ioctl_t(fd, cmd, arg); | |
69 | break; | |
70 | } | |
71 | return result; | |
72 | } |