2 * This file is subject to the terms and conditions of the GNU General Public
3 * License. See the file "COPYING" in the main directory of this archive
6 * Copyright (C) 1995, 1996, 2000, 2001 by Ralf Baechle
7 * Copyright (C) 2000, 2001 Silicon Graphics, Inc.
10 #define _ASM_TERMIOS_H
12 #include <linux/errno.h>
13 #include <asm/termbits.h>
14 #include <asm/ioctls.h>
21 int sg_flags; /* SGI special - int, not short */
34 char t_suspc; /* stop process signal */
35 char t_dsuspc; /* delayed stop process signal */
36 char t_rprntc; /* reprint line */
37 char t_flushc; /* flush output (toggles) */
38 char t_werasc; /* word erase */
39 char t_lnextc; /* literal next character */
42 /* TIOCGSIZE, TIOCSSIZE not defined yet. Only needed for SunOS source
43 compatibility anyway ... */
46 unsigned short ws_row;
47 unsigned short ws_col;
48 unsigned short ws_xpixel;
49 unsigned short ws_ypixel;
54 unsigned short c_iflag; /* input mode flags */
55 unsigned short c_oflag; /* output mode flags */
56 unsigned short c_cflag; /* control mode flags */
57 unsigned short c_lflag; /* local mode flags */
58 char c_line; /* line discipline */
59 unsigned char c_cc[NCCS]; /* control characters */
63 #include <linux/module.h>
66 * intr=^C quit=^\ erase=del kill=^U
67 * vmin=\1 vtime=\0 eol2=\0 swtc=\0
68 * start=^Q stop=^S susp=^Z vdsusp=
69 * reprint=^R discard=^U werase=^W lnext=^V
72 #define INIT_C_CC "\003\034\177\025\1\0\0\0\021\023\032\0\022\017\027\026\004\0"
76 #define TIOCM_LE 0x001 /* line enable */
77 #define TIOCM_DTR 0x002 /* data terminal ready */
78 #define TIOCM_RTS 0x004 /* request to send */
79 #define TIOCM_ST 0x010 /* secondary transmit */
80 #define TIOCM_SR 0x020 /* secondary receive */
81 #define TIOCM_CTS 0x040 /* clear to send */
82 #define TIOCM_CAR 0x100 /* carrier detect */
83 #define TIOCM_CD TIOCM_CAR
84 #define TIOCM_RNG 0x200 /* ring */
85 #define TIOCM_RI TIOCM_RNG
86 #define TIOCM_DSR 0x400 /* data set ready */
87 #define TIOCM_OUT1 0x2000
88 #define TIOCM_OUT2 0x4000
89 #define TIOCM_LOOP 0x8000
93 #include <linux/string.h>
96 * Translate a "termio" structure into a "termios". Ugh.
98 static inline int user_termio_to_kernel_termios(struct ktermios *termios,
99 struct termio __user *termio)
101 unsigned short iflag, oflag, cflag, lflag;
104 if (!access_ok(VERIFY_READ, termio, sizeof(struct termio)))
107 err = __get_user(iflag, &termio->c_iflag);
108 termios->c_iflag = (termios->c_iflag & 0xffff0000) | iflag;
109 err |=__get_user(oflag, &termio->c_oflag);
110 termios->c_oflag = (termios->c_oflag & 0xffff0000) | oflag;
111 err |=__get_user(cflag, &termio->c_cflag);
112 termios->c_cflag = (termios->c_cflag & 0xffff0000) | cflag;
113 err |=__get_user(lflag, &termio->c_lflag);
114 termios->c_lflag = (termios->c_lflag & 0xffff0000) | lflag;
115 err |=__get_user(termios->c_line, &termio->c_line);
119 if (__copy_from_user(termios->c_cc, termio->c_cc, NCC))
126 * Translate a "termios" structure into a "termio". Ugh.
128 static inline int kernel_termios_to_user_termio(struct termio __user *termio,
129 struct ktermios *termios)
133 if (!access_ok(VERIFY_WRITE, termio, sizeof(struct termio)))
136 err = __put_user(termios->c_iflag, &termio->c_iflag);
137 err |= __put_user(termios->c_oflag, &termio->c_oflag);
138 err |= __put_user(termios->c_cflag, &termio->c_cflag);
139 err |= __put_user(termios->c_lflag, &termio->c_lflag);
140 err |= __put_user(termios->c_line, &termio->c_line);
144 if (__copy_to_user(termio->c_cc, termios->c_cc, NCC))
150 static inline int user_termios_to_kernel_termios(struct ktermios __user *k,
153 return copy_from_user(k, u, sizeof(struct termios2)) ? -EFAULT : 0;
156 static inline int kernel_termios_to_user_termios(struct termios2 __user *u,
159 return copy_to_user(u, k, sizeof(struct termios2)) ? -EFAULT : 0;
162 static inline int user_termios_to_kernel_termios_1(struct ktermios *k,
163 struct termios __user *u)
165 return copy_from_user(k, u, sizeof(struct termios)) ? -EFAULT : 0;
168 static inline int kernel_termios_to_user_termios_1(struct termios __user *u,
171 return copy_to_user(u, k, sizeof(struct termios)) ? -EFAULT : 0;
174 #endif /* defined(__KERNEL__) */
176 #endif /* _ASM_TERMIOS_H */