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authorVegard Nossum <vegard.nossum@gmail.com>2009-06-15 09:50:49 -0400
committerVegard Nossum <vegard.nossum@gmail.com>2009-06-15 09:50:49 -0400
commit722f2a6c87f34ee0fd0130a8cf45f81e0705594a (patch)
tree50b054df34d2731eb0ba0cf1a6c27e43e7eed428 /include/asm-generic/termios.h
parent7a0aeb14e18ad59394bd9bbc6e57fb345819e748 (diff)
parent45e3e1935e2857c54783291107d33323b3ef33c8 (diff)
Merge commit 'linus/master' into HEAD
Conflicts: MAINTAINERS Signed-off-by: Vegard Nossum <vegard.nossum@gmail.com>
Diffstat (limited to 'include/asm-generic/termios.h')
-rw-r--r--include/asm-generic/termios.h105
1 files changed, 91 insertions, 14 deletions
diff --git a/include/asm-generic/termios.h b/include/asm-generic/termios.h
index 7d39ecc92d94..d0922adc56d4 100644
--- a/include/asm-generic/termios.h
+++ b/include/asm-generic/termios.h
@@ -1,18 +1,68 @@
1/* termios.h: generic termios/termio user copying/translation
2 */
3
4#ifndef _ASM_GENERIC_TERMIOS_H 1#ifndef _ASM_GENERIC_TERMIOS_H
5#define _ASM_GENERIC_TERMIOS_H 2#define _ASM_GENERIC_TERMIOS_H
3/*
4 * Most architectures have straight copies of the x86 code, with
5 * varying levels of bug fixes on top. Usually it's a good idea
6 * to use this generic version instead, but be careful to avoid
7 * ABI changes.
8 * New architectures should not provide their own version.
9 */
10
11#include <asm/termbits.h>
12#include <asm/ioctls.h>
13
14struct winsize {
15 unsigned short ws_row;
16 unsigned short ws_col;
17 unsigned short ws_xpixel;
18 unsigned short ws_ypixel;
19};
20
21#define NCC 8
22struct termio {
23 unsigned short c_iflag; /* input mode flags */
24 unsigned short c_oflag; /* output mode flags */
25 unsigned short c_cflag; /* control mode flags */
26 unsigned short c_lflag; /* local mode flags */
27 unsigned char c_line; /* line discipline */
28 unsigned char c_cc[NCC]; /* control characters */
29};
30
31/* modem lines */
32#define TIOCM_LE 0x001
33#define TIOCM_DTR 0x002
34#define TIOCM_RTS 0x004
35#define TIOCM_ST 0x008
36#define TIOCM_SR 0x010
37#define TIOCM_CTS 0x020
38#define TIOCM_CAR 0x040
39#define TIOCM_RNG 0x080
40#define TIOCM_DSR 0x100
41#define TIOCM_CD TIOCM_CAR
42#define TIOCM_RI TIOCM_RNG
43#define TIOCM_OUT1 0x2000
44#define TIOCM_OUT2 0x4000
45#define TIOCM_LOOP 0x8000
46
47/* ioctl (fd, TIOCSERGETLSR, &result) where result may be as below */
48
49#ifdef __KERNEL__
6 50
7#include <asm/uaccess.h> 51#include <asm/uaccess.h>
8 52
9#ifndef __ARCH_TERMIO_GETPUT 53/* intr=^C quit=^\ erase=del kill=^U
54 eof=^D vtime=\0 vmin=\1 sxtc=\0
55 start=^Q stop=^S susp=^Z eol=\0
56 reprint=^R discard=^U werase=^W lnext=^V
57 eol2=\0
58*/
59#define INIT_C_CC "\003\034\177\025\004\0\1\0\021\023\032\0\022\017\027\026\0"
10 60
11/* 61/*
12 * Translate a "termio" structure into a "termios". Ugh. 62 * Translate a "termio" structure into a "termios". Ugh.
13 */ 63 */
14static inline int user_termio_to_kernel_termios(struct ktermios *termios, 64static inline int user_termio_to_kernel_termios(struct ktermios *termios,
15 struct termio __user *termio) 65 const struct termio __user *termio)
16{ 66{
17 unsigned short tmp; 67 unsigned short tmp;
18 68
@@ -61,17 +111,44 @@ static inline int kernel_termios_to_user_termio(struct termio __user *termio,
61 return 0; 111 return 0;
62} 112}
63 113
64#ifndef user_termios_to_kernel_termios 114#ifdef TCGETS2
65#define user_termios_to_kernel_termios(k, u) copy_from_user(k, u, sizeof(struct termios)) 115static inline int user_termios_to_kernel_termios(struct ktermios *k,
66#endif 116 struct termios2 __user *u)
117{
118 return copy_from_user(k, u, sizeof(struct termios2));
119}
67 120
68#ifndef kernel_termios_to_user_termios 121static inline int kernel_termios_to_user_termios(struct termios2 __user *u,
69#define kernel_termios_to_user_termios(u, k) copy_to_user(u, k, sizeof(struct termios)) 122 struct ktermios *k)
70#endif 123{
124 return copy_to_user(u, k, sizeof(struct termios2));
125}
71 126
72#define user_termios_to_kernel_termios_1(k, u) copy_from_user(k, u, sizeof(struct termios)) 127static inline int user_termios_to_kernel_termios_1(struct ktermios *k,
73#define kernel_termios_to_user_termios_1(u, k) copy_to_user(u, k, sizeof(struct termios)) 128 struct termios __user *u)
129{
130 return copy_from_user(k, u, sizeof(struct termios));
131}
132
133static inline int kernel_termios_to_user_termios_1(struct termios __user *u,
134 struct ktermios *k)
135{
136 return copy_to_user(u, k, sizeof(struct termios));
137}
138#else /* TCGETS2 */
139static inline int user_termios_to_kernel_termios(struct ktermios *k,
140 struct termios __user *u)
141{
142 return copy_from_user(k, u, sizeof(struct termios));
143}
144
145static inline int kernel_termios_to_user_termios(struct termios __user *u,
146 struct ktermios *k)
147{
148 return copy_to_user(u, k, sizeof(struct termios));
149}
150#endif /* TCGETS2 */
74 151
75#endif /* __ARCH_TERMIO_GETPUT */ 152#endif /* __KERNEL__ */
76 153
77#endif /* _ASM_GENERIC_TERMIOS_H */ 154#endif /* _ASM_GENERIC_TERMIOS_H */