File: /usr/include/asm/termios.h

1     #ifndef _I386_TERMIOS_H
2     #define _I386_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     
42     /* line disciplines */
43     #define N_TTY		0
44     #define N_SLIP		1
45     #define N_MOUSE		2
46     #define N_PPP		3
47     #define N_STRIP		4
48     #define N_AX25		5
49     #define N_X25		6	/* X.25 async */
50     #define N_6PACK		7
51     #define N_MASC		8	/* Reserved for Mobitex module <kaz@cafe.net> */
52     #define N_R3964		9	/* Reserved for Simatic R3964 module */
53     #define N_PROFIBUS_FDL	10	/* Reserved for Profibus <Dave@mvhi.com> */
54     #define N_IRDA		11	/* Linux IR - http://irda.sourceforge.net/ */
55     #define N_SMSBLOCK	12	/* SMS block mode - for talking to GSM data cards about SMS messages */
56     #define N_HDLC		13	/* synchronous HDLC */
57     #define N_SYNC_PPP	14	/* synchronous PPP */
58     
59     #ifdef __KERNEL__
60     
61     /*	intr=^C		quit=^\		erase=del	kill=^U
62     	eof=^D		vtime=\0	vmin=\1		sxtc=\0
63     	start=^Q	stop=^S		susp=^Z		eol=\0
64     	reprint=^R	discard=^U	werase=^W	lnext=^V
65     	eol2=\0
66     */
67     #define INIT_C_CC "\003\034\177\025\004\0\1\0\021\023\032\0\022\017\027\026\0"
68     
69     /*
70      * Translate a "termio" structure into a "termios". Ugh.
71      */
72     #define SET_LOW_TERMIOS_BITS(termios, termio, x) { \
73     	unsigned short __tmp; \
74     	get_user(__tmp,&(termio)->x); \
75     	*(unsigned short *) &(termios)->x = __tmp; \
76     }
77     
78     #define user_termio_to_kernel_termios(termios, termio) \
79     ({ \
80     	SET_LOW_TERMIOS_BITS(termios, termio, c_iflag); \
81     	SET_LOW_TERMIOS_BITS(termios, termio, c_oflag); \
82     	SET_LOW_TERMIOS_BITS(termios, termio, c_cflag); \
83     	SET_LOW_TERMIOS_BITS(termios, termio, c_lflag); \
84     	copy_from_user((termios)->c_cc, (termio)->c_cc, NCC); \
85     })
86     
87     /*
88      * Translate a "termios" structure into a "termio". Ugh.
89      */
90     #define kernel_termios_to_user_termio(termio, termios) \
91     ({ \
92     	put_user((termios)->c_iflag, &(termio)->c_iflag); \
93     	put_user((termios)->c_oflag, &(termio)->c_oflag); \
94     	put_user((termios)->c_cflag, &(termio)->c_cflag); \
95     	put_user((termios)->c_lflag, &(termio)->c_lflag); \
96     	put_user((termios)->c_line,  &(termio)->c_line); \
97     	copy_to_user((termio)->c_cc, (termios)->c_cc, NCC); \
98     })
99     
100     #define user_termios_to_kernel_termios(k, u) copy_from_user(k, u, sizeof(struct termios))
101     #define kernel_termios_to_user_termios(u, k) copy_to_user(u, k, sizeof(struct termios))
102     
103     #endif	/* __KERNEL__ */
104     
105     #endif	/* _I386_TERMIOS_H */
106