 f8a4c3b525
			
		
	
	
	f8a4c3b525
	
	
	
		
			
			And to go with it Dave's type checking x86 termios headers. I've updated these as the original sent by Dave had some wrong types in it. Signed-off-by: Alan Cox <alan@redhat.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: Jeff Garzik <jeff@garzik.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
		
			
				
	
	
		
			113 lines
		
	
	
	
		
			3 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			113 lines
		
	
	
	
		
			3 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
| #ifndef _ASM_X86_TERMIOS_H
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| #define _ASM_X86_TERMIOS_H
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| 
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| #include <asm/termbits.h>
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| #include <asm/ioctls.h>
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| 
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| struct winsize {
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| 	unsigned short ws_row;
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| 	unsigned short ws_col;
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| 	unsigned short ws_xpixel;
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| 	unsigned short ws_ypixel;
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| };
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| 
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| #define NCC 8
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| struct termio {
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| 	unsigned short c_iflag;		/* input mode flags */
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| 	unsigned short c_oflag;		/* output mode flags */
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| 	unsigned short c_cflag;		/* control mode flags */
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| 	unsigned short c_lflag;		/* local mode flags */
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| 	unsigned char c_line;		/* line discipline */
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| 	unsigned char c_cc[NCC];	/* control characters */
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| };
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| 
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| /* modem lines */
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| #define TIOCM_LE	0x001
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| #define TIOCM_DTR	0x002
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| #define TIOCM_RTS	0x004
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| #define TIOCM_ST	0x008
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| #define TIOCM_SR	0x010
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| #define TIOCM_CTS	0x020
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| #define TIOCM_CAR	0x040
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| #define TIOCM_RNG	0x080
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| #define TIOCM_DSR	0x100
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| #define TIOCM_CD	TIOCM_CAR
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| #define TIOCM_RI	TIOCM_RNG
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| #define TIOCM_OUT1	0x2000
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| #define TIOCM_OUT2	0x4000
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| #define TIOCM_LOOP	0x8000
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| 
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| /* ioctl (fd, TIOCSERGETLSR, &result) where result may be as below */
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| 
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| #ifdef __KERNEL__
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| 
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| #include <asm/uaccess.h>
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| 
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| /*	intr=^C		quit=^\		erase=del	kill=^U
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| 	eof=^D		vtime=\0	vmin=\1		sxtc=\0
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| 	start=^Q	stop=^S		susp=^Z		eol=\0
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| 	reprint=^R	discard=^U	werase=^W	lnext=^V
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| 	eol2=\0
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| */
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| #define INIT_C_CC "\003\034\177\025\004\0\1\0\021\023\032\0\022\017\027\026\0"
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| 
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| /*
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|  * Translate a "termio" structure into a "termios". Ugh.
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|  */
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| #define SET_LOW_TERMIOS_BITS(termios, termio, x) { \
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| 	unsigned short __tmp; \
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| 	get_user(__tmp,&(termio)->x); \
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| 	*(unsigned short *) &(termios)->x = __tmp; \
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| }
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| 
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| static inline int user_termio_to_kernel_termios(struct ktermios *termios,
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| 						struct termio __user *termio)
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| {
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| 	SET_LOW_TERMIOS_BITS(termios, termio, c_iflag);
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| 	SET_LOW_TERMIOS_BITS(termios, termio, c_oflag);
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| 	SET_LOW_TERMIOS_BITS(termios, termio, c_cflag);
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| 	SET_LOW_TERMIOS_BITS(termios, termio, c_lflag);
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| 	return copy_from_user(termios->c_cc, termio->c_cc, NCC);
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| }
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| 
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| /*
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|  * Translate a "termios" structure into a "termio". Ugh.
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|  */
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| static inline int kernel_termios_to_user_termio(struct termio __user *termio,
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| 					    struct ktermios *termios)
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| {
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| 	put_user((termios)->c_iflag, &(termio)->c_iflag);
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| 	put_user((termios)->c_oflag, &(termio)->c_oflag);
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| 	put_user((termios)->c_cflag, &(termio)->c_cflag);
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| 	put_user((termios)->c_lflag, &(termio)->c_lflag);
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| 	put_user((termios)->c_line,  &(termio)->c_line);
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| 	return copy_to_user((termio)->c_cc, (termios)->c_cc, NCC);
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| }
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| 
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| static inline int user_termios_to_kernel_termios(struct ktermios *k,
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| 						 struct termios2 __user *u)
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| {
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| 	return copy_from_user(k, u, sizeof(struct termios2));
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| }
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| 
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| static inline int kernel_termios_to_user_termios(struct termios2 __user *u,
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| 						 struct ktermios *k)
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| {
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| 	return copy_to_user(u, k, sizeof(struct termios2));
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| }
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| 
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| static inline int user_termios_to_kernel_termios_1(struct ktermios *k,
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| 						   struct termios __user *u)
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| {
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| 	return copy_from_user(k, u, sizeof(struct termios));
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| }
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| 
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| static inline int kernel_termios_to_user_termios_1(struct termios __user *u,
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| 						   struct ktermios *k)
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| {
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| 	return copy_to_user(u, k, sizeof(struct termios));
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| }
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| 
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| #endif	/* __KERNEL__ */
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| 
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| #endif /* _ASM_X86_TERMIOS_H */
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