diff options
Diffstat (limited to 'include/asm-x86/termios.h')
-rw-r--r-- | include/asm-x86/termios.h | 108 |
1 files changed, 96 insertions, 12 deletions
diff --git a/include/asm-x86/termios.h b/include/asm-x86/termios.h index a4f4ae20a591..d501748700d2 100644 --- a/include/asm-x86/termios.h +++ b/include/asm-x86/termios.h | |||
@@ -1,13 +1,97 @@ | |||
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 | |||
1 | #ifdef __KERNEL__ | 42 | #ifdef __KERNEL__ |
2 | # ifdef CONFIG_X86_32 | 43 | |
3 | # include "termios_32.h" | 44 | /* intr=^C quit=^\ erase=del kill=^U |
4 | # else | 45 | eof=^D vtime=\0 vmin=\1 sxtc=\0 |
5 | # include "termios_64.h" | 46 | start=^Q stop=^S susp=^Z eol=\0 |
6 | # endif | 47 | reprint=^R discard=^U werase=^W lnext=^V |
7 | #else | 48 | eol2=\0 |
8 | # ifdef __i386__ | 49 | */ |
9 | # include "termios_32.h" | 50 | #define INIT_C_CC "\003\034\177\025\004\0\1\0\021\023\032\0\022\017\027\026\0" |
10 | # else | 51 | |
11 | # include "termios_64.h" | 52 | /* |
12 | # endif | 53 | * Translate a "termio" structure into a "termios". Ugh. |
13 | #endif | 54 | */ |
55 | #define SET_LOW_TERMIOS_BITS(termios, termio, x) { \ | ||
56 | unsigned short __tmp; \ | ||
57 | get_user(__tmp,&(termio)->x); \ | ||
58 | *(unsigned short *) &(termios)->x = __tmp; \ | ||
59 | } | ||
60 | |||
61 | #define user_termio_to_kernel_termios(termios, termio) \ | ||
62 | ({ \ | ||
63 | SET_LOW_TERMIOS_BITS(termios, termio, c_iflag); \ | ||
64 | SET_LOW_TERMIOS_BITS(termios, termio, c_oflag); \ | ||
65 | SET_LOW_TERMIOS_BITS(termios, termio, c_cflag); \ | ||
66 | SET_LOW_TERMIOS_BITS(termios, termio, c_lflag); \ | ||
67 | copy_from_user((termios)->c_cc, (termio)->c_cc, NCC); \ | ||
68 | }) | ||
69 | |||
70 | /* | ||
71 | * Translate a "termios" structure into a "termio". Ugh. | ||
72 | */ | ||
73 | #define kernel_termios_to_user_termio(termio, termios) \ | ||
74 | ({ \ | ||
75 | put_user((termios)->c_iflag, &(termio)->c_iflag); \ | ||
76 | put_user((termios)->c_oflag, &(termio)->c_oflag); \ | ||
77 | put_user((termios)->c_cflag, &(termio)->c_cflag); \ | ||
78 | put_user((termios)->c_lflag, &(termio)->c_lflag); \ | ||
79 | put_user((termios)->c_line, &(termio)->c_line); \ | ||
80 | copy_to_user((termio)->c_cc, (termios)->c_cc, NCC); \ | ||
81 | }) | ||
82 | |||
83 | #define user_termios_to_kernel_termios(k, u) \ | ||
84 | copy_from_user(k, u, sizeof(struct termios2)) | ||
85 | |||
86 | #define kernel_termios_to_user_termios(u, k) \ | ||
87 | copy_to_user(u, k, sizeof(struct termios2)) | ||
88 | |||
89 | #define user_termios_to_kernel_termios_1(k, u) \ | ||
90 | copy_from_user(k, u, sizeof(struct termios)) | ||
91 | |||
92 | #define kernel_termios_to_user_termios_1(u, k) \ | ||
93 | copy_to_user(u, k, sizeof(struct termios)) | ||
94 | |||
95 | #endif /* __KERNEL__ */ | ||
96 | |||
97 | #endif /* _ASM_X86_TERMIOS_H */ | ||