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-rw-r--r--arch/x86/include/asm/termios.h115
1 files changed, 1 insertions, 114 deletions
diff --git a/arch/x86/include/asm/termios.h b/arch/x86/include/asm/termios.h
index c4ee8056baca..280d78a9d966 100644
--- a/arch/x86/include/asm/termios.h
+++ b/arch/x86/include/asm/termios.h
@@ -1,114 +1 @@
1#ifndef _ASM_X86_TERMIOS_H #include <asm-generic/termios.h>
2#define _ASM_X86_TERMIOS_H
3
4#include <asm/termbits.h>
5#include <asm/ioctls.h>
6
7struct winsize {
8 unsigned short ws_row;
9 unsigned short ws_col;
10 unsigned short ws_xpixel;
11 unsigned short ws_ypixel;
12};
13
14#define NCC 8
15struct termio {
16 unsigned short c_iflag; /* input mode flags */
17 unsigned short c_oflag; /* output mode flags */
18 unsigned short c_cflag; /* control mode flags */
19 unsigned short c_lflag; /* local mode flags */
20 unsigned char c_line; /* line discipline */
21 unsigned char c_cc[NCC]; /* control characters */
22};
23
24/* modem lines */
25#define TIOCM_LE 0x001
26#define TIOCM_DTR 0x002
27#define TIOCM_RTS 0x004
28#define TIOCM_ST 0x008
29#define TIOCM_SR 0x010
30#define TIOCM_CTS 0x020
31#define TIOCM_CAR 0x040
32#define TIOCM_RNG 0x080
33#define TIOCM_DSR 0x100
34#define TIOCM_CD TIOCM_CAR
35#define TIOCM_RI TIOCM_RNG
36#define TIOCM_OUT1 0x2000
37#define TIOCM_OUT2 0x4000
38#define TIOCM_LOOP 0x8000
39
40/* ioctl (fd, TIOCSERGETLSR, &result) where result may be as below */
41
42#ifdef __KERNEL__
43
44#include <asm/uaccess.h>
45
46/* intr=^C quit=^\ erase=del kill=^U
47 eof=^D vtime=\0 vmin=\1 sxtc=\0
48 start=^Q stop=^S susp=^Z eol=\0
49 reprint=^R discard=^U werase=^W lnext=^V
50 eol2=\0
51*/
52#define INIT_C_CC "\003\034\177\025\004\0\1\0\021\023\032\0\022\017\027\026\0"
53
54/*
55 * Translate a "termio" structure into a "termios". Ugh.
56 */
57#define SET_LOW_TERMIOS_BITS(termios, termio, x) { \
58 unsigned short __tmp; \
59 get_user(__tmp,&(termio)->x); \
60 *(unsigned short *) &(termios)->x = __tmp; \
61}
62
63static inline int user_termio_to_kernel_termios(struct ktermios *termios,
64 struct termio __user *termio)
65{
66 SET_LOW_TERMIOS_BITS(termios, termio, c_iflag);
67 SET_LOW_TERMIOS_BITS(termios, termio, c_oflag);
68 SET_LOW_TERMIOS_BITS(termios, termio, c_cflag);
69 SET_LOW_TERMIOS_BITS(termios, termio, c_lflag);
70 get_user(termios->c_line, &termio->c_line);
71 return copy_from_user(termios->c_cc, termio->c_cc, NCC);
72}
73
74/*
75 * Translate a "termios" structure into a "termio". Ugh.
76 */
77static inline int kernel_termios_to_user_termio(struct termio __user *termio,
78 struct ktermios *termios)
79{
80 put_user((termios)->c_iflag, &(termio)->c_iflag);
81 put_user((termios)->c_oflag, &(termio)->c_oflag);
82 put_user((termios)->c_cflag, &(termio)->c_cflag);
83 put_user((termios)->c_lflag, &(termio)->c_lflag);
84 put_user((termios)->c_line, &(termio)->c_line);
85 return copy_to_user((termio)->c_cc, (termios)->c_cc, NCC);
86}
87
88static inline int user_termios_to_kernel_termios(struct ktermios *k,
89 struct termios2 __user *u)
90{
91 return copy_from_user(k, u, sizeof(struct termios2));
92}
93
94static inline int kernel_termios_to_user_termios(struct termios2 __user *u,
95 struct ktermios *k)
96{
97 return copy_to_user(u, k, sizeof(struct termios2));
98}
99
100static inline int user_termios_to_kernel_termios_1(struct ktermios *k,
101 struct termios __user *u)
102{
103 return copy_from_user(k, u, sizeof(struct termios));
104}
105
106static inline int kernel_termios_to_user_termios_1(struct termios __user *u,
107 struct ktermios *k)
108{
109 return copy_to_user(u, k, sizeof(struct termios));
110}
111
112#endif /* __KERNEL__ */
113
114#endif /* _ASM_X86_TERMIOS_H */
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-04 16:31:42 -0500