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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
1da177e4 LT |
2 | #ifndef _CRIS_TERMIOS_H |
3 | #define _CRIS_TERMIOS_H | |
4 | ||
e717abac | 5 | #include <uapi/asm/termios.h> |
1da177e4 | 6 | |
1da177e4 LT |
7 | |
8 | /* intr=^C quit=^\ erase=del kill=^U | |
9 | eof=^D vtime=\0 vmin=\1 sxtc=\0 | |
10 | start=^Q stop=^S susp=^Z eol=\0 | |
11 | reprint=^R discard=^U werase=^W lnext=^V | |
12 | eol2=\0 | |
13 | */ | |
14 | #define INIT_C_CC "\003\034\177\025\004\0\1\0\021\023\032\0\022\017\027\026\0" | |
15 | ||
16 | /* | |
17 | * Translate a "termio" structure into a "termios". Ugh. | |
18 | */ | |
19 | #define SET_LOW_TERMIOS_BITS(termios, termio, x) { \ | |
20 | unsigned short __tmp; \ | |
21 | get_user(__tmp,&(termio)->x); \ | |
22 | *(unsigned short *) &(termios)->x = __tmp; \ | |
23 | } | |
24 | ||
25 | #define user_termio_to_kernel_termios(termios, termio) \ | |
26 | ({ \ | |
27 | SET_LOW_TERMIOS_BITS(termios, termio, c_iflag); \ | |
28 | SET_LOW_TERMIOS_BITS(termios, termio, c_oflag); \ | |
29 | SET_LOW_TERMIOS_BITS(termios, termio, c_cflag); \ | |
30 | SET_LOW_TERMIOS_BITS(termios, termio, c_lflag); \ | |
31 | copy_from_user((termios)->c_cc, (termio)->c_cc, NCC); \ | |
32 | }) | |
33 | ||
34 | /* | |
35 | * Translate a "termios" structure into a "termio". Ugh. | |
36 | */ | |
37 | #define kernel_termios_to_user_termio(termio, termios) \ | |
38 | ({ \ | |
39 | put_user((termios)->c_iflag, &(termio)->c_iflag); \ | |
40 | put_user((termios)->c_oflag, &(termio)->c_oflag); \ | |
41 | put_user((termios)->c_cflag, &(termio)->c_cflag); \ | |
42 | put_user((termios)->c_lflag, &(termio)->c_lflag); \ | |
43 | put_user((termios)->c_line, &(termio)->c_line); \ | |
44 | copy_to_user((termio)->c_cc, (termios)->c_cc, NCC); \ | |
45 | }) | |
46 | ||
e30afd51 AC |
47 | #define user_termios_to_kernel_termios(k, u) copy_from_user(k, u, sizeof(struct termios2)) |
48 | #define kernel_termios_to_user_termios(u, k) copy_to_user(u, k, sizeof(struct termios2)) | |
49 | #define user_termios_to_kernel_termios_1(k, u) copy_from_user(k, u, sizeof(struct termios)) | |
50 | #define kernel_termios_to_user_termios_1(u, k) copy_to_user(u, k, sizeof(struct termios)) | |
1da177e4 | 51 | |
1da177e4 | 52 | #endif /* _CRIS_TERMIOS_H */ |