diff options
Diffstat (limited to 'arch/x86/include/asm/termios.h')
-rw-r--r-- | arch/x86/include/asm/termios.h | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/arch/x86/include/asm/termios.h b/arch/x86/include/asm/termios.h new file mode 100644 index 000000000000..e235db248071 --- /dev/null +++ b/arch/x86/include/asm/termios.h | |||
@@ -0,0 +1,113 @@ | |||
1 | #ifndef ASM_X86__TERMIOS_H | ||
2 | #define ASM_X86__TERMIOS_H | ||
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 | |||
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 | |||
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 | } | ||
72 | |||
73 | /* | ||
74 | * Translate a "termios" structure into a "termio". Ugh. | ||
75 | */ | ||
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 | } | ||
110 | |||
111 | #endif /* __KERNEL__ */ | ||
112 | |||
113 | #endif /* ASM_X86__TERMIOS_H */ | ||