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1965aae3 PA |
1 | #ifndef _ASM_X86_TERMIOS_H |
2 | #define _ASM_X86_TERMIOS_H | |
003a46cf TG |
3 | |
4 | #include <asm/termbits.h> | |
5 | #include <asm/ioctls.h> | |
6 | ||
7 | struct 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 | |
15 | struct 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 | ||
96a388de | 42 | #ifdef __KERNEL__ |
003a46cf | 43 | |
f8a4c3b5 DM |
44 | #include <asm/uaccess.h> |
45 | ||
003a46cf TG |
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 | ||
f8a4c3b5 DM |
63 | static 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 | return copy_from_user(termios->c_cc, termio->c_cc, NCC); | |
71 | } | |
003a46cf TG |
72 | |
73 | /* | |
74 | * Translate a "termios" structure into a "termio". Ugh. | |
75 | */ | |
f8a4c3b5 DM |
76 | static inline int kernel_termios_to_user_termio(struct termio __user *termio, |
77 | struct ktermios *termios) | |
78 | { | |
79 | put_user((termios)->c_iflag, &(termio)->c_iflag); | |
80 | put_user((termios)->c_oflag, &(termio)->c_oflag); | |
81 | put_user((termios)->c_cflag, &(termio)->c_cflag); | |
82 | put_user((termios)->c_lflag, &(termio)->c_lflag); | |
83 | put_user((termios)->c_line, &(termio)->c_line); | |
84 | return copy_to_user((termio)->c_cc, (termios)->c_cc, NCC); | |
85 | } | |
86 | ||
87 | static inline int user_termios_to_kernel_termios(struct ktermios *k, | |
88 | struct termios2 __user *u) | |
89 | { | |
90 | return copy_from_user(k, u, sizeof(struct termios2)); | |
91 | } | |
92 | ||
93 | static inline int kernel_termios_to_user_termios(struct termios2 __user *u, | |
94 | struct ktermios *k) | |
95 | { | |
96 | return copy_to_user(u, k, sizeof(struct termios2)); | |
97 | } | |
98 | ||
99 | static inline int user_termios_to_kernel_termios_1(struct ktermios *k, | |
100 | struct termios __user *u) | |
101 | { | |
102 | return copy_from_user(k, u, sizeof(struct termios)); | |
103 | } | |
104 | ||
105 | static inline int kernel_termios_to_user_termios_1(struct termios __user *u, | |
106 | struct ktermios *k) | |
107 | { | |
108 | return copy_to_user(u, k, sizeof(struct termios)); | |
109 | } | |
003a46cf TG |
110 | |
111 | #endif /* __KERNEL__ */ | |
112 | ||
1965aae3 | 113 | #endif /* _ASM_X86_TERMIOS_H */ |