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1/*
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
4 * for more details.
5 *
6 * Copyright (C) 1995, 1996, 2000, 2001 by Ralf Baechle
7 * Copyright (C) 2000, 2001 Silicon Graphics, Inc.
8 */
9#ifndef _ASM_TERMIOS_H
10#define _ASM_TERMIOS_H
11
12#include <linux/uaccess.h>
13#include <uapi/asm/termios.h>
14
15/*
16 * intr=^C quit=^\ erase=del kill=^U
17 * vmin=\1 vtime=\0 eol2=\0 swtc=\0
18 * start=^Q stop=^S susp=^Z vdsusp=
19 * reprint=^R discard=^U werase=^W lnext=^V
20 * eof=^D eol=\0
21 */
22#define INIT_C_CC "\003\034\177\025\1\0\0\0\021\023\032\0\022\017\027\026\004\0"
23
24#include <linux/string.h>
25
26/*
27 * Translate a "termio" structure into a "termios". Ugh.
28 */
29static inline int user_termio_to_kernel_termios(struct ktermios *termios,
30 struct termio __user *termio)
31{
32 unsigned short iflag, oflag, cflag, lflag;
33 unsigned int err;
34
35 if (!access_ok(termio, sizeof(struct termio)))
36 return -EFAULT;
37
38 err = __get_user(iflag, &termio->c_iflag);
39 termios->c_iflag = (termios->c_iflag & 0xffff0000) | iflag;
40 err |=__get_user(oflag, &termio->c_oflag);
41 termios->c_oflag = (termios->c_oflag & 0xffff0000) | oflag;
42 err |=__get_user(cflag, &termio->c_cflag);
43 termios->c_cflag = (termios->c_cflag & 0xffff0000) | cflag;
44 err |=__get_user(lflag, &termio->c_lflag);
45 termios->c_lflag = (termios->c_lflag & 0xffff0000) | lflag;
46 err |=__get_user(termios->c_line, &termio->c_line);
47 if (err)
48 return -EFAULT;
49
50 if (__copy_from_user(termios->c_cc, termio->c_cc, NCC))
51 return -EFAULT;
52
53 return 0;
54}
55
56/*
57 * Translate a "termios" structure into a "termio". Ugh.
58 */
59static inline int kernel_termios_to_user_termio(struct termio __user *termio,
60 struct ktermios *termios)
61{
62 int err;
63
64 if (!access_ok(termio, sizeof(struct termio)))
65 return -EFAULT;
66
67 err = __put_user(termios->c_iflag, &termio->c_iflag);
68 err |= __put_user(termios->c_oflag, &termio->c_oflag);
69 err |= __put_user(termios->c_cflag, &termio->c_cflag);
70 err |= __put_user(termios->c_lflag, &termio->c_lflag);
71 err |= __put_user(termios->c_line, &termio->c_line);
72 if (err)
73 return -EFAULT;
74
75 if (__copy_to_user(termio->c_cc, termios->c_cc, NCC))
76 return -EFAULT;
77
78 return 0;
79}
80
81static inline int user_termios_to_kernel_termios(struct ktermios __user *k,
82 struct termios2 *u)
83{
84 return copy_from_user(k, u, sizeof(struct termios2)) ? -EFAULT : 0;
85}
86
87static inline int kernel_termios_to_user_termios(struct termios2 __user *u,
88 struct ktermios *k)
89{
90 return copy_to_user(u, k, sizeof(struct termios2)) ? -EFAULT : 0;
91}
92
93static inline int user_termios_to_kernel_termios_1(struct ktermios *k,
94 struct termios __user *u)
95{
96 return copy_from_user(k, u, sizeof(struct termios)) ? -EFAULT : 0;
97}
98
99static inline int kernel_termios_to_user_termios_1(struct termios __user *u,
100 struct ktermios *k)
101{
102 return copy_to_user(u, k, sizeof(struct termios)) ? -EFAULT : 0;
103}
104
105#endif /* _ASM_TERMIOS_H */
1/*
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
4 * for more details.
5 *
6 * Copyright (C) 1995, 1996, 2000, 2001 by Ralf Baechle
7 * Copyright (C) 2000, 2001 Silicon Graphics, Inc.
8 */
9#ifndef _ASM_TERMIOS_H
10#define _ASM_TERMIOS_H
11
12#include <linux/errno.h>
13#include <asm/termbits.h>
14#include <asm/ioctls.h>
15
16struct sgttyb {
17 char sg_ispeed;
18 char sg_ospeed;
19 char sg_erase;
20 char sg_kill;
21 int sg_flags; /* SGI special - int, not short */
22};
23
24struct tchars {
25 char t_intrc;
26 char t_quitc;
27 char t_startc;
28 char t_stopc;
29 char t_eofc;
30 char t_brkc;
31};
32
33struct ltchars {
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 */
40};
41
42/* TIOCGSIZE, TIOCSSIZE not defined yet. Only needed for SunOS source
43 compatibility anyway ... */
44
45struct winsize {
46 unsigned short ws_row;
47 unsigned short ws_col;
48 unsigned short ws_xpixel;
49 unsigned short ws_ypixel;
50};
51
52#define NCC 8
53struct termio {
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 */
60};
61
62#ifdef __KERNEL__
63#include <linux/module.h>
64
65/*
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
70 * eof=^D eol=\0
71 */
72#define INIT_C_CC "\003\034\177\025\1\0\0\0\021\023\032\0\022\017\027\026\004\0"
73#endif
74
75/* modem lines */
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
90
91#ifdef __KERNEL__
92
93#include <linux/string.h>
94
95/*
96 * Translate a "termio" structure into a "termios". Ugh.
97 */
98static inline int user_termio_to_kernel_termios(struct ktermios *termios,
99 struct termio __user *termio)
100{
101 unsigned short iflag, oflag, cflag, lflag;
102 unsigned int err;
103
104 if (!access_ok(VERIFY_READ, termio, sizeof(struct termio)))
105 return -EFAULT;
106
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);
116 if (err)
117 return -EFAULT;
118
119 if (__copy_from_user(termios->c_cc, termio->c_cc, NCC))
120 return -EFAULT;
121
122 return 0;
123}
124
125/*
126 * Translate a "termios" structure into a "termio". Ugh.
127 */
128static inline int kernel_termios_to_user_termio(struct termio __user *termio,
129 struct ktermios *termios)
130{
131 int err;
132
133 if (!access_ok(VERIFY_WRITE, termio, sizeof(struct termio)))
134 return -EFAULT;
135
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);
141 if (err)
142 return -EFAULT;
143
144 if (__copy_to_user(termio->c_cc, termios->c_cc, NCC))
145 return -EFAULT;
146
147 return 0;
148}
149
150static inline int user_termios_to_kernel_termios(struct ktermios __user *k,
151 struct termios2 *u)
152{
153 return copy_from_user(k, u, sizeof(struct termios2)) ? -EFAULT : 0;
154}
155
156static inline int kernel_termios_to_user_termios(struct termios2 __user *u,
157 struct ktermios *k)
158{
159 return copy_to_user(u, k, sizeof(struct termios2)) ? -EFAULT : 0;
160}
161
162static inline int user_termios_to_kernel_termios_1(struct ktermios *k,
163 struct termios __user *u)
164{
165 return copy_from_user(k, u, sizeof(struct termios)) ? -EFAULT : 0;
166}
167
168static inline int kernel_termios_to_user_termios_1(struct termios __user *u,
169 struct ktermios *k)
170{
171 return copy_to_user(u, k, sizeof(struct termios)) ? -EFAULT : 0;
172}
173
174#endif /* defined(__KERNEL__) */
175
176#endif /* _ASM_TERMIOS_H */