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