projects / mirror_ubuntu-focal-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 6f52b16c | 1 | /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
| 3b2267e0 DH |
2 | #ifndef _UAPI_ASM_TERMIOS_H |
| 3 | #define _UAPI_ASM_TERMIOS_H | |
| 4 | ||
| 5 | #include <asm/termbits.h> | |
| 6 | #include <asm/ioctls.h> | |
| 7 | ||
| 8 | struct winsize { | |
| 9 | unsigned short ws_row; | |
| 10 | unsigned short ws_col; | |
| 11 | unsigned short ws_xpixel; | |
| 12 | unsigned short ws_ypixel; | |
| 13 | }; | |
| 14 | ||
| 15 | #define NCC 8 | |
| 16 | struct termio { | |
| 17 | unsigned short c_iflag; /* input mode flags */ | |
| 18 | unsigned short c_oflag; /* output mode flags */ | |
| 19 | unsigned short c_cflag; /* control mode flags */ | |
| 20 | unsigned short c_lflag; /* local mode flags */ | |
| 21 | unsigned char c_line; /* line discipline */ | |
| 22 | unsigned char c_cc[NCC]; /* control characters */ | |
| 23 | }; | |
| 24 | ||
| 25 | ||
| 26 | /* modem lines */ | |
| 27 | #define TIOCM_LE 0x001 | |
| 28 | #define TIOCM_DTR 0x002 | |
| 29 | #define TIOCM_RTS 0x004 | |
| 30 | #define TIOCM_ST 0x008 | |
| 31 | #define TIOCM_SR 0x010 | |
| 32 | #define TIOCM_CTS 0x020 | |
| 33 | #define TIOCM_CAR 0x040 | |
| 34 | #define TIOCM_RNG 0x080 | |
| 35 | #define TIOCM_DSR 0x100 | |
| 36 | #define TIOCM_CD TIOCM_CAR | |
| 37 | #define TIOCM_RI TIOCM_RNG | |
| 38 | #define TIOCM_OUT1 0x2000 | |
| 39 | #define TIOCM_OUT2 0x4000 | |
| 40 | #define TIOCM_LOOP 0x8000 | |
| 41 | ||
| 42 | #define TIOCM_MODEM_BITS TIOCM_OUT2 /* IRDA support */ | |
| 43 | ||
| 44 | /* | |
| 45 | * Translate a "termio" structure into a "termios". Ugh. | |
| 46 | */ | |
| 47 | #define SET_LOW_TERMIOS_BITS(termios, termio, x) { \ | |
| 48 | unsigned short __tmp; \ | |
| 49 | get_user(__tmp, &(termio)->x); \ | |
| 50 | *(unsigned short *) &(termios)->x = __tmp; \ | |
| 51 | } | |
| 52 | ||
| 53 | #define user_termio_to_kernel_termios(termios, termio) \ | |
| 54 | ({ \ | |
| 55 | SET_LOW_TERMIOS_BITS(termios, termio, c_iflag); \ | |
| 56 | SET_LOW_TERMIOS_BITS(termios, termio, c_oflag); \ | |
| 57 | SET_LOW_TERMIOS_BITS(termios, termio, c_cflag); \ | |
| 58 | SET_LOW_TERMIOS_BITS(termios, termio, c_lflag); \ | |
| 59 | copy_from_user((termios)->c_cc, (termio)->c_cc, NCC); \ | |
| 60 | }) | |
| 61 | ||
| 62 | /* | |
| 63 | * Translate a "termios" structure into a "termio". Ugh. | |
| 64 | */ | |
| 65 | #define kernel_termios_to_user_termio(termio, termios) \ | |
| 66 | ({ \ | |
| 67 | put_user((termios)->c_iflag, &(termio)->c_iflag); \ | |
| 68 | put_user((termios)->c_oflag, &(termio)->c_oflag); \ | |
| 69 | put_user((termios)->c_cflag, &(termio)->c_cflag); \ | |
| 70 | put_user((termios)->c_lflag, &(termio)->c_lflag); \ | |
| 71 | put_user((termios)->c_line, &(termio)->c_line); \ | |
| 72 | copy_to_user((termio)->c_cc, (termios)->c_cc, NCC); \ | |
| 73 | }) | |
| 74 | ||
| 75 | #define user_termios_to_kernel_termios(k, u) \ | |
| 76 | copy_from_user(k, u, sizeof(struct termios2)) | |
| 77 | #define kernel_termios_to_user_termios(u, k) \ | |
| 78 | copy_to_user(u, k, sizeof(struct termios2)) | |
| 79 | #define user_termios_to_kernel_termios_1(k, u) \ | |
| 80 | copy_from_user(k, u, sizeof(struct termios)) | |
| 81 | #define kernel_termios_to_user_termios_1(u, k) \ | |
| 82 | copy_to_user(u, k, sizeof(struct termios)) | |
| 83 | ||
| 84 | #endif /* _UAPI_ASM_TERMIOS_H */ |