| Thomas Gleixner | 003a46c | 2007-10-15 13:57:47 +0200 | [diff] [blame] | 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 | |
| Thomas Gleixner | 96a388d | 2007-10-11 11:20:03 +0200 | [diff] [blame] | 42 | #ifdef __KERNEL__ |
| Thomas Gleixner | 003a46c | 2007-10-15 13:57:47 +0200 | [diff] [blame] | 43 | |
| 44 | /* intr=^C quit=^\ erase=del kill=^U |
| 45 | eof=^D vtime=\0 vmin=\1 sxtc=\0 |
| 46 | start=^Q stop=^S susp=^Z eol=\0 |
| 47 | reprint=^R discard=^U werase=^W lnext=^V |
| 48 | eol2=\0 |
| 49 | */ |
| 50 | #define INIT_C_CC "\003\034\177\025\004\0\1\0\021\023\032\0\022\017\027\026\0" |
| 51 | |
| 52 | /* |
| 53 | * Translate a "termio" structure into a "termios". Ugh. |
| 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 */ |