| 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 |  | 
| Dave Miller | f8a4c3b | 2008-02-07 00:13:27 -0800 | [diff] [blame] | 44 | #include <asm/uaccess.h> | 
|  | 45 |  | 
| Thomas Gleixner | 003a46c | 2007-10-15 13:57:47 +0200 | [diff] [blame] | 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 |  | 
| Dave Miller | f8a4c3b | 2008-02-07 00:13:27 -0800 | [diff] [blame] | 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 | } | 
| Thomas Gleixner | 003a46c | 2007-10-15 13:57:47 +0200 | [diff] [blame] | 72 |  | 
|  | 73 | /* | 
|  | 74 | * Translate a "termios" structure into a "termio". Ugh. | 
|  | 75 | */ | 
| Dave Miller | f8a4c3b | 2008-02-07 00:13:27 -0800 | [diff] [blame] | 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 | } | 
| Thomas Gleixner | 003a46c | 2007-10-15 13:57:47 +0200 | [diff] [blame] | 86 |  | 
| Dave Miller | f8a4c3b | 2008-02-07 00:13:27 -0800 | [diff] [blame] | 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 | } | 
| Thomas Gleixner | 003a46c | 2007-10-15 13:57:47 +0200 | [diff] [blame] | 92 |  | 
| Dave Miller | f8a4c3b | 2008-02-07 00:13:27 -0800 | [diff] [blame] | 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 | } | 
| Thomas Gleixner | 003a46c | 2007-10-15 13:57:47 +0200 | [diff] [blame] | 98 |  | 
| Dave Miller | f8a4c3b | 2008-02-07 00:13:27 -0800 | [diff] [blame] | 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 | } | 
| Thomas Gleixner | 003a46c | 2007-10-15 13:57:47 +0200 | [diff] [blame] | 104 |  | 
| Dave Miller | f8a4c3b | 2008-02-07 00:13:27 -0800 | [diff] [blame] | 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 | } | 
| Thomas Gleixner | 003a46c | 2007-10-15 13:57:47 +0200 | [diff] [blame] | 110 |  | 
|  | 111 | #endif	/* __KERNEL__ */ | 
|  | 112 |  | 
|  | 113 | #endif /* _ASM_X86_TERMIOS_H */ |