#ifndef _ASM_GENERIC_TERMIOS_H#define _ASM_GENERIC_TERMIOS_H/* * Most architectures have straight copies of the x86 code, with * varying levels of bug fixes on top. Usually it's a good idea * to use this generic version instead, but be careful to avoid * ABI changes. * New architectures should not provide their own version. */ #include <asm/termbits.h>#include <asm/ioctls.h> struct winsize {	unsigned short ws_row;	unsigned short ws_col;	unsigned short ws_xpixel;	unsigned short ws_ypixel;}; #define NCC 8struct termio {	unsigned short c_iflag;		/* input mode flags */	unsigned short c_oflag;		/* output mode flags */	unsigned short c_cflag;		/* control mode flags */	unsigned short c_lflag;		/* local mode flags */	unsigned char c_line;		/* line discipline */	unsigned char c_cc[NCC];	/* control characters */}; /* modem lines */#define TIOCM_LE	0x001#define TIOCM_DTR	0x002#define TIOCM_RTS	0x004#define TIOCM_ST	0x008#define TIOCM_SR	0x010#define TIOCM_CTS	0x020#define TIOCM_CAR	0x040#define TIOCM_RNG	0x080#define TIOCM_DSR	0x100#define TIOCM_CD	TIOCM_CAR#define TIOCM_RI	TIOCM_RNG#define TIOCM_OUT1	0x2000#define TIOCM_OUT2	0x4000#define TIOCM_LOOP	0x8000 /* ioctl (fd, TIOCSERGETLSR, &result) where result may be as below */ #ifdef __KERNEL__ #include <asm/uaccess.h> /*	intr=^C		quit=^\		erase=del	kill=^U	eof=^D		vtime=\0	vmin=\1		sxtc=\0	start=^Q	stop=^S		susp=^Z		eol=\0	reprint=^R	discard=^U	werase=^W	lnext=^V	eol2=\0*/#define INIT_C_CC "\003\034\177\025\004\0\1\0\021\023\032\0\022\017\027\026\0" /* * Translate a "termio" structure into a "termios". Ugh. */static inline int user_termio_to_kernel_termios(struct ktermios *termios,						const struct termio __user *termio){	unsigned short tmp; 	if (get_user(tmp, &termio->c_iflag) < 0)		goto fault;	termios->c_iflag = (0xffff0000 & termios->c_iflag) | tmp; 	if (get_user(tmp, &termio->c_oflag) < 0)		goto fault;	termios->c_oflag = (0xffff0000 & termios->c_oflag) | tmp; 	if (get_user(tmp, &termio->c_cflag) < 0)		goto fault;	termios->c_cflag = (0xffff0000 & termios->c_cflag) | tmp; 	if (get_user(tmp, &termio->c_lflag) < 0)		goto fault;	termios->c_lflag = (0xffff0000 & termios->c_lflag) | tmp; 	if (get_user(termios->c_line, &termio->c_line) < 0)		goto fault; 	if (copy_from_user(termios->c_cc, termio->c_cc, NCC) != 0)		goto fault; 	return 0;  fault:	return -EFAULT;} /* * Translate a "termios" structure into a "termio". Ugh. */static inline int kernel_termios_to_user_termio(struct termio __user *termio,						struct ktermios *termios){	if (put_user(termios->c_iflag, &termio->c_iflag) < 0 ||	    put_user(termios->c_oflag, &termio->c_oflag) < 0 ||	    put_user(termios->c_cflag, &termio->c_cflag) < 0 ||	    put_user(termios->c_lflag, &termio->c_lflag) < 0 ||	    put_user(termios->c_line,  &termio->c_line) < 0 ||	    copy_to_user(termio->c_cc, termios->c_cc, NCC) != 0)		return -EFAULT; 	return 0;} #ifdef TCGETS2static inline int user_termios_to_kernel_termios(struct ktermios *k,						 struct termios2 __user *u){	return copy_from_user(k, u, sizeof(struct termios2));} static inline int kernel_termios_to_user_termios(struct termios2 __user *u,						 struct ktermios *k){	return copy_to_user(u, k, sizeof(struct termios2));} static inline int user_termios_to_kernel_termios_1(struct ktermios *k,						   struct termios __user *u){	return copy_from_user(k, u, sizeof(struct termios));} static inline int kernel_termios_to_user_termios_1(struct termios __user *u,						   struct ktermios *k){	return copy_to_user(u, k, sizeof(struct termios));}#else /* TCGETS2 */static inline int user_termios_to_kernel_termios(struct ktermios *k,						 struct termios __user *u){	return copy_from_user(k, u, sizeof(struct termios));} static inline int kernel_termios_to_user_termios(struct termios __user *u,						 struct ktermios *k){	return copy_to_user(u, k, sizeof(struct termios));}#endif /* TCGETS2 */ #endif	/* __KERNEL__ */ #endif /* _ASM_GENERIC_TERMIOS_H */