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/*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* Copyright (C) 1995, 1996, 2000, 2001 by Ralf Baechle
* Copyright (C) 2000, 2001 Silicon Graphics, Inc.
*/
#ifndef _ASM_TERMIOS_H
#define _ASM_TERMIOS_H
#include <linux/errno.h>
#include <asm/termbits.h>
#include <asm/ioctls.h>
struct sgttyb {
char sg_ispeed;
char sg_ospeed;
char sg_erase;
char sg_kill;
int sg_flags; /* SGI special - int, not short */
};
struct tchars {
char t_intrc;
char t_quitc;
char t_startc;
char t_stopc;
char t_eofc;
char t_brkc;
};
struct ltchars {
char t_suspc; /* stop process signal */
char t_dsuspc; /* delayed stop process signal */
char t_rprntc; /* reprint line */
char t_flushc; /* flush output (toggles) */
char t_werasc; /* word erase */
char t_lnextc; /* literal next character */
};
/* TIOCGSIZE, TIOCSSIZE not defined yet. Only needed for SunOS source
compatibility anyway ... */
struct winsize {
unsigned short ws_row;
unsigned short ws_col;
unsigned short ws_xpixel;
unsigned short ws_ypixel;
};
#define NCC 8
struct 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 */
char c_line; /* line discipline */
unsigned char c_cc[NCCS]; /* control characters */
};
#ifdef __KERNEL__
#include <asm/uaccess.h>
/*
* intr=^C quit=^\ erase=del kill=^U
* vmin=\1 vtime=\0 eol2=\0 swtc=\0
* start=^Q stop=^S susp=^Z vdsusp=
* reprint=^R discard=^U werase=^W lnext=^V
* eof=^D eol=\0
*/
#define INIT_C_CC "\003\034\177\025\1\0\0\0\021\023\032\0\022\017\027\026\004\0"
#endif
/* modem lines */
#define TIOCM_LE 0x001 /* line enable */
#define TIOCM_DTR 0x002 /* data terminal ready */
#define TIOCM_RTS 0x004 /* request to send */
#define TIOCM_ST 0x010 /* secondary transmit */
#define TIOCM_SR 0x020 /* secondary receive */
#define TIOCM_CTS 0x040 /* clear to send */
#define TIOCM_CAR 0x100 /* carrier detect */
#define TIOCM_CD TIOCM_CAR
#define TIOCM_RNG 0x200 /* ring */
#define TIOCM_RI TIOCM_RNG
#define TIOCM_DSR 0x400 /* data set ready */
#define TIOCM_OUT1 0x2000
#define TIOCM_OUT2 0x4000
#define TIOCM_LOOP 0x8000
#ifdef __KERNEL__
#include <linux/string.h>
/*
* Translate a "termio" structure into a "termios". Ugh.
*/
static inline int user_termio_to_kernel_termios(struct ktermios *termios,
struct termio __user *termio)
{
unsigned short iflag, oflag, cflag, lflag;
unsigned int err;
if (!access_ok(VERIFY_READ, termio, sizeof(struct termio)))
return -EFAULT;
err = __get_user(iflag, &termio->c_iflag);
termios->c_iflag = (termios->c_iflag & 0xffff0000) | iflag;
err |=__get_user(oflag, &termio->c_oflag);
termios->c_oflag = (termios->c_oflag & 0xffff0000) | oflag;
err |=__get_user(cflag, &termio->c_cflag);
termios->c_cflag = (termios->c_cflag & 0xffff0000) | cflag;
err |=__get_user(lflag, &termio->c_lflag);
termios->c_lflag = (termios->c_lflag & 0xffff0000) | lflag;
err |=__get_user(termios->c_line, &termio->c_line);
if (err)
return -EFAULT;
if (__copy_from_user(termios->c_cc, termio->c_cc, NCC))
return -EFAULT;
return 0;
}
/*
* Translate a "termios" structure into a "termio". Ugh.
*/
static inline int kernel_termios_to_user_termio(struct termio __user *termio,
struct ktermios *termios)
{
int err;
if (!access_ok(VERIFY_WRITE, termio, sizeof(struct termio)))
return -EFAULT;
err = __put_user(termios->c_iflag, &termio->c_iflag);
err |= __put_user(termios->c_oflag, &termio->c_oflag);
err |= __put_user(termios->c_cflag, &termio->c_cflag);
err |= __put_user(termios->c_lflag, &termio->c_lflag);
err |= __put_user(termios->c_line, &termio->c_line);
if (err)
return -EFAULT;
if (__copy_to_user(termio->c_cc, termios->c_cc, NCC))
return -EFAULT;
return 0;
}
static inline int user_termios_to_kernel_termios(struct ktermios __user *k,
struct termios2 *u)
{
return copy_from_user(k, u, sizeof(struct termios2)) ? -EFAULT : 0;
}
static inline int kernel_termios_to_user_termios(struct termios2 __user *u,
struct ktermios *k)
{
return copy_to_user(u, k, sizeof(struct termios2)) ? -EFAULT : 0;
}
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)) ? -EFAULT : 0;
}
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)) ? -EFAULT : 0;
}
#endif /* defined(__KERNEL__) */
#endif /* _ASM_TERMIOS_H */
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