| 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 */ |