/* $NetBSD: linux_termios.h,v 1.23 2021/09/23 06:56:27 ryo Exp $ */

/* $NetBSD: linux_termios.h,v 1.23 2021/09/23 06:56:27 ryo Exp $ */

/*-
* Copyright (c) 1998 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Eric Haszlakiewicz.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/

#ifndef _LINUX_TERMIOS_H
#define _LINUX_TERMIOS_H

#if defined(__i386__)
#include <compat/linux/arch/i386/linux_termios.h>
#elif defined(__m68k__)
#include <compat/linux/arch/m68k/linux_termios.h>
#elif defined(__alpha__)
#include <compat/linux/arch/alpha/linux_termios.h>
#elif defined(__powerpc__)
#include <compat/linux/arch/powerpc/linux_termios.h>
#elif defined(__mips__)
#include <compat/linux/arch/mips/linux_termios.h>
#elif defined(__aarch64__)
#include <compat/linux/arch/aarch64/linux_termios.h>
#elif defined(__arm__)
#include <compat/linux/arch/arm/linux_termios.h>
#elif defined(__amd64__)
#include <compat/linux/arch/amd64/linux_termios.h>
#else
#error Undefined linux_termios.h machine type.
#endif

struct linux_winsize {
unsigned short ws_row;
unsigned short ws_col;
unsigned short ws_xpixel;
unsigned short ws_ypixel;
};

/*
* LINUX_NCC is architecture dependent. It is now
* defined in sys/compat/linux/<arch>/linux_termios.h
*/
struct linux_termio {
unsigned short c_iflag;
unsigned short c_oflag;
unsigned short c_cflag;
unsigned short c_lflag;
unsigned char c_line;
unsigned char c_cc[LINUX_NCC];
};

struct linux_termios {
linux_tcflag_t c_iflag;
linux_tcflag_t c_oflag;
linux_tcflag_t c_cflag;
linux_tcflag_t c_lflag;
linux_cc_t c_line;
linux_cc_t c_cc[LINUX_NCCS];
#ifdef LINUX_LARGE_STRUCT_TERMIOS
/*
* Present on some linux ports but unused:
* However we must enable it, else it breaks ioctl
* definitions (the size does not match anymore)
*/
linux_speed_t c_ispeed;
linux_speed_t c_ospeed;
#endif
};

/* Linux modem line defines.. not sure if they'll be used */
#define LINUX_TIOCM_LE 0x0001
#define LINUX_TIOCM_DTR 0x0002
#define LINUX_TIOCM_RTS 0x0004
#define LINUX_TIOCM_ST 0x0008
#define LINUX_TIOCM_SR 0x0010
#define LINUX_TIOCM_CTS 0x0020
#define LINUX_TIOCM_CAR 0x0040
#define LINUX_TIOCM_RNG 0x0080
#define LINUX_TIOCM_DSR 0x0100
#define LINUX_TIOCM_CD LINUX_TIOCM_CAR
#define LINUX_TIOCM_RI LINUX_TIOCM_RNG

#define LINUX_TCIFLUSH 0
#define LINUX_TCOFLUSH 1
#define LINUX_TCIOFLUSH 2

#define LINUX_TCOOFF 0
#define LINUX_TCOON 1
#define LINUX_TCIOFF 2
#define LINUX_TCION 3

#define LINUX_TCSANOW 0
#define LINUX_TCSADRAIN 1
#define LINUX_TCSAFLUSH 2

/* Linux line disciplines */
#define LINUX_N_TTY 0
#define LINUX_N_SLIP 1
#define LINUX_N_MOUSE 2
#define LINUX_N_PPP 3
#define LINUX_N_STRIP 4

/* currently unused: */
#define LINUX_N_AX25 5
#define LINUX_N_X25 6
#define LINUX_N_6PACK 7

/* values passed to TIOCLINUX ioctl */
#define LINUX_TIOCLINUX_COPY 2
#define LINUX_TIOCLINUX_PASTE 3
#define LINUX_TIOCLINUX_UNBLANK 4
#define LINUX_TIOCLINUX_LOADLUT 5
#define LINUX_TIOCLINUX_READSHIFT 6
#define LINUX_TIOCLINUX_READMOUSE 7
#define LINUX_TIOCLINUX_VESABLANK 10
#define LINUX_TIOCLINUX_KERNMSG 11
#define LINUX_TIOCLINUX_CURCONS 12

static linux_speed_t linux_speeds[] = {
0, 50, 75, 110, 134, 150, 200, 300, 600, 1200, 1800, 2400, 4800,
9600, 19200, 38400, 57600, 115200, 230400
};

static const int linux_spmasks[] = {
LINUX_B0, LINUX_B50, LINUX_B75, LINUX_B110, LINUX_B134, LINUX_B150,
LINUX_B200, LINUX_B300, LINUX_B600, LINUX_B1200, LINUX_B1800,
LINUX_B2400, LINUX_B4800, LINUX_B9600, LINUX_B19200, LINUX_B38400,
LINUX_B57600, LINUX_B115200, LINUX_B230400
};

#ifdef COMPAT_LINUX32
struct linux32_termio;
struct linux32_termios;
static void linux32_termio_to_bsd_termios(struct linux32_termio *,
struct termios *);
static void bsd_termios_to_linux32_termio(struct termios *,
struct linux32_termio *);
static void linux32_termios_to_bsd_termios(struct linux32_termios *,
struct termios *);
static void bsd_termios_to_linux32_termios(struct termios *,
struct linux32_termios *);
#else
struct linux_termio;
struct linux_termios;
static void linux_termio_to_bsd_termios(struct linux_termio *,
struct termios *);
static void bsd_termios_to_linux_termio(struct termios *,
struct linux_termio *);
static void linux_termios_to_bsd_termios(struct linux_termios *,
struct termios *);
static void bsd_termios_to_linux_termios(struct termios *,
struct linux_termios *);
#endif

/*
* Deal with termio ioctl cruft. This doesn't look very good..
* XXX too much code duplication, obviously..
*
* The conversion routines between Linux and BSD structures assume
* that the fields are already filled with the current values,
* so that fields present in BSD but not in Linux keep their current
* values.
*/

static void
#ifdef COMPAT_LINUX32
linux32_termio_to_bsd_termios(struct linux32_termio *lt, struct termios *bts)
#else
linux_termio_to_bsd_termios(struct linux_termio *lt, struct termios *bts)
#endif
{
int index;

bts->c_iflag = 0;
bts->c_iflag |= cvtto_bsd_mask(lt->c_iflag, LINUX_IGNBRK, IGNBRK);
bts->c_iflag |= cvtto_bsd_mask(lt->c_iflag, LINUX_BRKINT, BRKINT);
bts->c_iflag |= cvtto_bsd_mask(lt->c_iflag, LINUX_IGNPAR, IGNPAR);
bts->c_iflag |= cvtto_bsd_mask(lt->c_iflag, LINUX_INPCK, INPCK);
bts->c_iflag |= cvtto_bsd_mask(lt->c_iflag, LINUX_ISTRIP, ISTRIP);
bts->c_iflag |= cvtto_bsd_mask(lt->c_iflag, LINUX_INLCR, INLCR);
bts->c_iflag |= cvtto_bsd_mask(lt->c_iflag, LINUX_IGNCR, IGNCR);
bts->c_iflag |= cvtto_bsd_mask(lt->c_iflag, LINUX_ICRNL, ICRNL);
bts->c_iflag |= cvtto_bsd_mask(lt->c_iflag, LINUX_IXON, IXON);
bts->c_iflag |= cvtto_bsd_mask(lt->c_iflag, LINUX_IXANY, IXANY);
bts->c_iflag |= cvtto_bsd_mask(lt->c_iflag, LINUX_IXOFF, IXOFF);
bts->c_iflag |= cvtto_bsd_mask(lt->c_iflag, LINUX_IMAXBEL, IMAXBEL);

bts->c_oflag = 0;
bts->c_oflag |= cvtto_bsd_mask(lt->c_oflag, LINUX_OPOST, OPOST);
bts->c_oflag |= cvtto_bsd_mask(lt->c_oflag, LINUX_ONLCR, ONLCR);
bts->c_oflag |= cvtto_bsd_mask(lt->c_oflag, LINUX_XTABS, OXTABS);

/*
* This could have been:
* bts->c_cflag = (lt->c_flag & LINUX_CSIZE) << 4
* But who knows, those values might perhaps change one day.
*/
switch (lt->c_cflag & LINUX_CSIZE) {
case LINUX_CS5:
bts->c_cflag = CS5;
break;
case LINUX_CS6:
bts->c_cflag = CS6;
break;
case LINUX_CS7:
bts->c_cflag = CS7;
break;
case LINUX_CS8:
bts->c_cflag = CS8;
break;
}
bts->c_cflag |= cvtto_bsd_mask(lt->c_cflag, LINUX_CSTOPB, CSTOPB);
bts->c_cflag |= cvtto_bsd_mask(lt->c_cflag, LINUX_CREAD, CREAD);
bts->c_cflag |= cvtto_bsd_mask(lt->c_cflag, LINUX_PARENB, PARENB);
bts->c_cflag |= cvtto_bsd_mask(lt->c_cflag, LINUX_PARODD, PARODD);
bts->c_cflag |= cvtto_bsd_mask(lt->c_cflag, LINUX_HUPCL, HUPCL);
bts->c_cflag |= cvtto_bsd_mask(lt->c_cflag, LINUX_CLOCAL, CLOCAL);
bts->c_cflag |= cvtto_bsd_mask(lt->c_cflag, LINUX_CRTSCTS, CRTSCTS);

bts->c_lflag = 0;
bts->c_lflag |= cvtto_bsd_mask(lt->c_lflag, LINUX_ISIG, ISIG);
bts->c_lflag |= cvtto_bsd_mask(lt->c_lflag, LINUX_ICANON, ICANON);
bts->c_lflag |= cvtto_bsd_mask(lt->c_lflag, LINUX_ECHO, ECHO);
bts->c_lflag |= cvtto_bsd_mask(lt->c_lflag, LINUX_ECHOE, ECHOE);
bts->c_lflag |= cvtto_bsd_mask(lt->c_lflag, LINUX_ECHOK, ECHOK);
bts->c_lflag |= cvtto_bsd_mask(lt->c_lflag, LINUX_ECHONL, ECHONL);
bts->c_lflag |= cvtto_bsd_mask(lt->c_lflag, LINUX_NOFLSH, NOFLSH);
bts->c_lflag |= cvtto_bsd_mask(lt->c_lflag, LINUX_TOSTOP, TOSTOP);
bts->c_lflag |= cvtto_bsd_mask(lt->c_lflag, LINUX_ECHOCTL, ECHOCTL);
bts->c_lflag |= cvtto_bsd_mask(lt->c_lflag, LINUX_ECHOPRT, ECHOPRT);
bts->c_lflag |= cvtto_bsd_mask(lt->c_lflag, LINUX_ECHOKE, ECHOKE);
bts->c_lflag |= cvtto_bsd_mask(lt->c_lflag, LINUX_FLUSHO, FLUSHO);
bts->c_lflag |= cvtto_bsd_mask(lt->c_lflag, LINUX_PENDIN, PENDIN);
bts->c_lflag |= cvtto_bsd_mask(lt->c_lflag, LINUX_IEXTEN, IEXTEN);

index = lt->c_cflag & LINUX_CBAUD;
if (index & LINUX_CBAUDEX)
index = (index & ~LINUX_CBAUDEX) + LINUX_NSPEEDS - 1;
bts->c_ispeed = bts->c_ospeed = linux_speeds[index];

bts->c_cc[VINTR] = lt->c_cc[LINUX_OLD_VINTR];
bts->c_cc[VQUIT] = lt->c_cc[LINUX_OLD_VQUIT];
bts->c_cc[VERASE] = lt->c_cc[LINUX_OLD_VERASE];
bts->c_cc[VKILL] = lt->c_cc[LINUX_OLD_VKILL];
#if LINUX_VEOF < LINUX_NCC
bts->c_cc[VEOF] = lt->c_cc[LINUX_OLD_VEOF];
#endif
bts->c_cc[VTIME] = lt->c_cc[LINUX_OLD_VTIME];
bts->c_cc[VMIN] = lt->c_cc[LINUX_OLD_VMIN];
}

static void
#ifdef COMPAT_LINUX32
bsd_termios_to_linux32_termio(struct termios *bts, struct linux32_termio *lt)
#else
bsd_termios_to_linux_termio(struct termios *bts, struct linux_termio *lt)
#endif
{
int i, mask;

memset(lt, 0, sizeof(*lt));
lt->c_iflag = 0;
lt->c_iflag |= cvtto_linux_mask(bts->c_iflag, IGNBRK, LINUX_IGNBRK);
lt->c_iflag |= cvtto_linux_mask(bts->c_iflag, BRKINT, LINUX_BRKINT);
lt->c_iflag |= cvtto_linux_mask(bts->c_iflag, IGNPAR, LINUX_IGNPAR);
lt->c_iflag |= cvtto_linux_mask(bts->c_iflag, INPCK, LINUX_INPCK);
lt->c_iflag |= cvtto_linux_mask(bts->c_iflag, ISTRIP, LINUX_ISTRIP);
lt->c_iflag |= cvtto_linux_mask(bts->c_iflag, INLCR, LINUX_INLCR);
lt->c_iflag |= cvtto_linux_mask(bts->c_iflag, IGNCR, LINUX_IGNCR);
lt->c_iflag |= cvtto_linux_mask(bts->c_iflag, ICRNL, LINUX_ICRNL);
lt->c_iflag |= cvtto_linux_mask(bts->c_iflag, IXON, LINUX_IXON);
lt->c_iflag |= cvtto_linux_mask(bts->c_iflag, IXANY, LINUX_IXANY);
lt->c_iflag |= cvtto_linux_mask(bts->c_iflag, IXOFF, LINUX_IXOFF);
lt->c_iflag |= cvtto_linux_mask(bts->c_iflag, IMAXBEL, LINUX_IMAXBEL);

lt->c_oflag = 0;
lt->c_oflag |= cvtto_linux_mask(bts->c_oflag, OPOST, LINUX_OPOST);
lt->c_oflag |= cvtto_linux_mask(bts->c_oflag, ONLCR, LINUX_ONLCR);
lt->c_oflag |= cvtto_linux_mask(bts->c_oflag, OXTABS, LINUX_XTABS);

switch (bts->c_cflag & CSIZE) {
case CS5:
lt->c_cflag = LINUX_CS5;
break;
case CS6:
lt->c_cflag = LINUX_CS6;
break;
case CS7:
lt->c_cflag = LINUX_CS7;
break;
case CS8:
lt->c_cflag = LINUX_CS8;
break;
}
lt->c_cflag |= cvtto_linux_mask(bts->c_cflag, CSTOPB, LINUX_CSTOPB);
lt->c_cflag |= cvtto_linux_mask(bts->c_cflag, CREAD, LINUX_CREAD);
lt->c_cflag |= cvtto_linux_mask(bts->c_cflag, PARENB, LINUX_PARENB);
lt->c_cflag |= cvtto_linux_mask(bts->c_cflag, PARODD, LINUX_PARODD);
lt->c_cflag |= cvtto_linux_mask(bts->c_cflag, HUPCL, LINUX_HUPCL);
lt->c_cflag |= cvtto_linux_mask(bts->c_cflag, CLOCAL, LINUX_CLOCAL);
lt->c_cflag |= cvtto_linux_mask(bts->c_cflag, CRTSCTS, LINUX_CRTSCTS);

lt->c_lflag = 0;
lt->c_lflag |= cvtto_linux_mask(bts->c_lflag, ISIG, LINUX_ISIG);
lt->c_lflag |= cvtto_linux_mask(bts->c_lflag, ICANON, LINUX_ICANON);
lt->c_lflag |= cvtto_linux_mask(bts->c_lflag, ECHO, LINUX_ECHO);
lt->c_lflag |= cvtto_linux_mask(bts->c_lflag, ECHOE, LINUX_ECHOE);
lt->c_lflag |= cvtto_linux_mask(bts->c_lflag, ECHOK, LINUX_ECHOK);
lt->c_lflag |= cvtto_linux_mask(bts->c_lflag, ECHONL, LINUX_ECHONL);
lt->c_lflag |= cvtto_linux_mask(bts->c_lflag, NOFLSH, LINUX_NOFLSH);
lt->c_lflag |= cvtto_linux_mask(bts->c_lflag, TOSTOP, LINUX_TOSTOP);
lt->c_lflag |= cvtto_linux_mask(bts->c_lflag, ECHOCTL, LINUX_ECHOCTL);
lt->c_lflag |= cvtto_linux_mask(bts->c_lflag, ECHOPRT, LINUX_ECHOPRT);
lt->c_lflag |= cvtto_linux_mask(bts->c_lflag, ECHOKE, LINUX_ECHOKE);
lt->c_lflag |= cvtto_linux_mask(bts->c_lflag, FLUSHO, LINUX_FLUSHO);
lt->c_lflag |= cvtto_linux_mask(bts->c_lflag, PENDIN, LINUX_PENDIN);
lt->c_lflag |= cvtto_linux_mask(bts->c_lflag, IEXTEN, LINUX_IEXTEN);

mask = LINUX_B9600; /* XXX default value should this be 0? */
for (i = 0; i < sizeof (linux_speeds) / sizeof (linux_speed_t); i++) {
if (bts->c_ospeed == linux_speeds[i]) {
mask = linux_spmasks[i];
break;
}
}
lt->c_cflag |= mask;

lt->c_cc[LINUX_OLD_VINTR] = bts->c_cc[VINTR];
lt->c_cc[LINUX_OLD_VQUIT] = bts->c_cc[VQUIT];
lt->c_cc[LINUX_OLD_VERASE] = bts->c_cc[VERASE];
lt->c_cc[LINUX_OLD_VKILL] = bts->c_cc[VKILL];
#if LINUX_OLD_VEOF < LINUX_NCC
lt->c_cc[LINUX_OLD_VEOF] = bts->c_cc[VEOF];
#endif
lt->c_cc[LINUX_OLD_VTIME] = bts->c_cc[VTIME];
lt->c_cc[LINUX_OLD_VMIN] = bts->c_cc[VMIN];
lt->c_cc[LINUX_OLD_VSWTC] = 0;

/* XXX should be fixed someday */
lt->c_line = 0;
}

static void
#ifdef COMPAT_LINUX32
linux32_termios_to_bsd_termios(struct linux32_termios *lts, struct termios *bts)
#else
linux_termios_to_bsd_termios(struct linux_termios *lts, struct termios *bts)
#endif
{
int index;

bts->c_iflag = 0;
bts->c_iflag |= cvtto_bsd_mask(lts->c_iflag, LINUX_IGNBRK, IGNBRK);
bts->c_iflag |= cvtto_bsd_mask(lts->c_iflag, LINUX_BRKINT, BRKINT);
bts->c_iflag |= cvtto_bsd_mask(lts->c_iflag, LINUX_IGNPAR, IGNPAR);
bts->c_iflag |= cvtto_bsd_mask(lts->c_iflag, LINUX_INPCK, INPCK);
bts->c_iflag |= cvtto_bsd_mask(lts->c_iflag, LINUX_ISTRIP, ISTRIP);
bts->c_iflag |= cvtto_bsd_mask(lts->c_iflag, LINUX_INLCR, INLCR);
bts->c_iflag |= cvtto_bsd_mask(lts->c_iflag, LINUX_IGNCR, IGNCR);
bts->c_iflag |= cvtto_bsd_mask(lts->c_iflag, LINUX_ICRNL, ICRNL);
bts->c_iflag |= cvtto_bsd_mask(lts->c_iflag, LINUX_IXON, IXON);
bts->c_iflag |= cvtto_bsd_mask(lts->c_iflag, LINUX_IXANY, IXANY);
bts->c_iflag |= cvtto_bsd_mask(lts->c_iflag, LINUX_IXOFF, IXOFF);
bts->c_iflag |= cvtto_bsd_mask(lts->c_iflag, LINUX_IMAXBEL, IMAXBEL);

bts->c_oflag = 0;
bts->c_oflag |= cvtto_bsd_mask(lts->c_oflag, LINUX_OPOST, OPOST);
bts->c_oflag |= cvtto_bsd_mask(lts->c_oflag, LINUX_ONLCR, ONLCR);
bts->c_oflag |= cvtto_bsd_mask(lts->c_oflag, LINUX_XTABS, OXTABS);

bts->c_cflag = 0;
switch (lts->c_cflag & LINUX_CSIZE) {
case LINUX_CS5:
bts->c_cflag = CS5;
break;
case LINUX_CS6:
bts->c_cflag = CS6;
break;
case LINUX_CS7:
bts->c_cflag = CS7;
break;
case LINUX_CS8:
bts->c_cflag = CS8;
break;
}
bts->c_cflag |= cvtto_bsd_mask(lts->c_cflag, LINUX_CSTOPB, CSTOPB);
bts->c_cflag |= cvtto_bsd_mask(lts->c_cflag, LINUX_CREAD, CREAD);
bts->c_cflag |= cvtto_bsd_mask(lts->c_cflag, LINUX_PARENB, PARENB);
bts->c_cflag |= cvtto_bsd_mask(lts->c_cflag, LINUX_PARODD, PARODD);
bts->c_cflag |= cvtto_bsd_mask(lts->c_cflag, LINUX_HUPCL, HUPCL);
bts->c_cflag |= cvtto_bsd_mask(lts->c_cflag, LINUX_CLOCAL, CLOCAL);
bts->c_cflag |= cvtto_bsd_mask(lts->c_cflag, LINUX_CRTSCTS, CRTSCTS);

bts->c_lflag = 0;
bts->c_lflag |= cvtto_bsd_mask(lts->c_lflag, LINUX_ISIG, ISIG);
bts->c_lflag |= cvtto_bsd_mask(lts->c_lflag, LINUX_ICANON, ICANON);
bts->c_lflag |= cvtto_bsd_mask(lts->c_lflag, LINUX_ECHO, ECHO);
bts->c_lflag |= cvtto_bsd_mask(lts->c_lflag, LINUX_ECHOE, ECHOE);
bts->c_lflag |= cvtto_bsd_mask(lts->c_lflag, LINUX_ECHOK, ECHOK);
bts->c_lflag |= cvtto_bsd_mask(lts->c_lflag, LINUX_ECHONL, ECHONL);
bts->c_lflag |= cvtto_bsd_mask(lts->c_lflag, LINUX_NOFLSH, NOFLSH);
bts->c_lflag |= cvtto_bsd_mask(lts->c_lflag, LINUX_TOSTOP, TOSTOP);
bts->c_lflag |= cvtto_bsd_mask(lts->c_lflag, LINUX_ECHOCTL, ECHOCTL);
bts->c_lflag |= cvtto_bsd_mask(lts->c_lflag, LINUX_ECHOPRT, ECHOPRT);
bts->c_lflag |= cvtto_bsd_mask(lts->c_lflag, LINUX_ECHOKE, ECHOKE);
bts->c_lflag |= cvtto_bsd_mask(lts->c_lflag, LINUX_FLUSHO, FLUSHO);
bts->c_lflag |= cvtto_bsd_mask(lts->c_lflag, LINUX_PENDIN, PENDIN);
bts->c_lflag |= cvtto_bsd_mask(lts->c_lflag, LINUX_IEXTEN, IEXTEN);

index = lts->c_cflag & LINUX_CBAUD;
if (index & LINUX_CBAUDEX)
index = (index & ~LINUX_CBAUDEX) + LINUX_NSPEEDS - 1;
bts->c_ispeed = bts->c_ospeed = linux_speeds[index];
/*
* A null c_ospeed causes NetBSD to hangup the terminal.
* Linux does not do this, and it sets c_ospeed to zero
* sometimes. If it is null, we store -1 in the kernel
*/
if (bts->c_ospeed == 0)
bts->c_ospeed = -1;

bts->c_cc[VINTR] = lts->c_cc[LINUX_VINTR];
bts->c_cc[VQUIT] = lts->c_cc[LINUX_VQUIT];
bts->c_cc[VERASE] = lts->c_cc[LINUX_VERASE];
bts->c_cc[VKILL] = lts->c_cc[LINUX_VKILL];
bts->c_cc[VEOF] = lts->c_cc[LINUX_VEOF];
bts->c_cc[VTIME] = lts->c_cc[LINUX_VTIME];
bts->c_cc[VMIN] = lts->c_cc[LINUX_VMIN];
bts->c_cc[VEOL] = lts->c_cc[LINUX_VEOL];
bts->c_cc[VEOL2] = lts->c_cc[LINUX_VEOL2];
bts->c_cc[VWERASE] = lts->c_cc[LINUX_VWERASE];
bts->c_cc[VSUSP] = lts->c_cc[LINUX_VSUSP];
bts->c_cc[VSTART] = lts->c_cc[LINUX_VSTART];
bts->c_cc[VSTOP] = lts->c_cc[LINUX_VSTOP];
bts->c_cc[VLNEXT] = lts->c_cc[LINUX_VLNEXT];
bts->c_cc[VDISCARD] = lts->c_cc[LINUX_VDISCARD];
bts->c_cc[VREPRINT] = lts->c_cc[LINUX_VREPRINT];
}

static void
#ifdef COMPAT_LINUX32
bsd_termios_to_linux32_termios(struct termios *bts, struct linux32_termios *lts)
#else
bsd_termios_to_linux_termios(struct termios *bts, struct linux_termios *lts)
#endif
{
int i, mask;

memset(lts, 0, sizeof(*lts));
lts->c_iflag = 0;
lts->c_iflag |= cvtto_linux_mask(bts->c_iflag, IGNBRK, LINUX_IGNBRK);
lts->c_iflag |= cvtto_linux_mask(bts->c_iflag, BRKINT, LINUX_BRKINT);
lts->c_iflag |= cvtto_linux_mask(bts->c_iflag, IGNPAR, LINUX_IGNPAR);
lts->c_iflag |= cvtto_linux_mask(bts->c_iflag, INPCK, LINUX_INPCK);
lts->c_iflag |= cvtto_linux_mask(bts->c_iflag, ISTRIP, LINUX_ISTRIP);
lts->c_iflag |= cvtto_linux_mask(bts->c_iflag, INLCR, LINUX_INLCR);
lts->c_iflag |= cvtto_linux_mask(bts->c_iflag, IGNCR, LINUX_IGNCR);
lts->c_iflag |= cvtto_linux_mask(bts->c_iflag, ICRNL, LINUX_ICRNL);
lts->c_iflag |= cvtto_linux_mask(bts->c_iflag, IXON, LINUX_IXON);
lts->c_iflag |= cvtto_linux_mask(bts->c_iflag, IXANY, LINUX_IXANY);
lts->c_iflag |= cvtto_linux_mask(bts->c_iflag, IXOFF, LINUX_IXOFF);
lts->c_iflag |= cvtto_linux_mask(bts->c_iflag, IMAXBEL, LINUX_IMAXBEL);

lts->c_oflag = 0;
lts->c_oflag |= cvtto_linux_mask(bts->c_oflag, OPOST, LINUX_OPOST);
lts->c_oflag |= cvtto_linux_mask(bts->c_oflag, ONLCR, LINUX_ONLCR);
lts->c_oflag |= cvtto_linux_mask(bts->c_oflag, OXTABS, LINUX_XTABS);

switch (bts->c_cflag & CSIZE) {
case CS5:
lts->c_cflag = LINUX_CS5;
break;
case CS6:
lts->c_cflag = LINUX_CS6;
break;
case CS7:
lts->c_cflag = LINUX_CS7;
break;
case CS8:
lts->c_cflag = LINUX_CS8;
break;
}
lts->c_cflag |= cvtto_linux_mask(bts->c_cflag, CS5, LINUX_CS5);
lts->c_cflag |= cvtto_linux_mask(bts->c_cflag, CS6, LINUX_CS6);
lts->c_cflag |= cvtto_linux_mask(bts->c_cflag, CS7, LINUX_CS7);
lts->c_cflag |= cvtto_linux_mask(bts->c_cflag, CS8, LINUX_CS8);
lts->c_cflag |= cvtto_linux_mask(bts->c_cflag, CSTOPB, LINUX_CSTOPB);
lts->c_cflag |= cvtto_linux_mask(bts->c_cflag, CREAD, LINUX_CREAD);
lts->c_cflag |= cvtto_linux_mask(bts->c_cflag, PARENB, LINUX_PARENB);
lts->c_cflag |= cvtto_linux_mask(bts->c_cflag, PARODD, LINUX_PARODD);
lts->c_cflag |= cvtto_linux_mask(bts->c_cflag, HUPCL, LINUX_HUPCL);
lts->c_cflag |= cvtto_linux_mask(bts->c_cflag, CLOCAL, LINUX_CLOCAL);
lts->c_cflag |= cvtto_linux_mask(bts->c_cflag, CRTSCTS, LINUX_CRTSCTS);

lts->c_lflag = 0;
lts->c_lflag |= cvtto_linux_mask(bts->c_lflag, ISIG, LINUX_ISIG);
lts->c_lflag |= cvtto_linux_mask(bts->c_lflag, ICANON, LINUX_ICANON);
lts->c_lflag |= cvtto_linux_mask(bts->c_lflag, ECHO, LINUX_ECHO);
lts->c_lflag |= cvtto_linux_mask(bts->c_lflag, ECHOE, LINUX_ECHOE);
lts->c_lflag |= cvtto_linux_mask(bts->c_lflag, ECHOK, LINUX_ECHOK);
lts->c_lflag |= cvtto_linux_mask(bts->c_lflag, ECHONL, LINUX_ECHONL);
lts->c_lflag |= cvtto_linux_mask(bts->c_lflag, NOFLSH, LINUX_NOFLSH);
lts->c_lflag |= cvtto_linux_mask(bts->c_lflag, TOSTOP, LINUX_TOSTOP);
lts->c_lflag |= cvtto_linux_mask(bts->c_lflag, ECHOCTL, LINUX_ECHOCTL);
lts->c_lflag |= cvtto_linux_mask(bts->c_lflag, ECHOPRT, LINUX_ECHOPRT);
lts->c_lflag |= cvtto_linux_mask(bts->c_lflag, ECHOKE, LINUX_ECHOKE);
lts->c_lflag |= cvtto_linux_mask(bts->c_lflag, FLUSHO, LINUX_FLUSHO);
lts->c_lflag |= cvtto_linux_mask(bts->c_lflag, PENDIN, LINUX_PENDIN);
lts->c_lflag |= cvtto_linux_mask(bts->c_lflag, IEXTEN, LINUX_IEXTEN);

mask = LINUX_B9600; /* XXX default value */
for (i = 0; i < sizeof (linux_speeds) / sizeof (linux_speed_t); i++) {
if (bts->c_ospeed == linux_speeds[i]) {
mask = linux_spmasks[i];
break;
}
}
/*
* A null c_ospeed causes NetBSD to hangup the terminal.
* Linux does not do this, and it sets c_ospeed to zero
* sometimes. If it is null, we store -1 in the kernel
*/
if (bts->c_ospeed == -1)
bts->c_ospeed = 0;
lts->c_cflag |= mask;

lts->c_cc[LINUX_VINTR] = bts->c_cc[VINTR];
lts->c_cc[LINUX_VQUIT] = bts->c_cc[VQUIT];
lts->c_cc[LINUX_VERASE] = bts->c_cc[VERASE];
lts->c_cc[LINUX_VKILL] = bts->c_cc[VKILL];
lts->c_cc[LINUX_VEOF] = bts->c_cc[VEOF];
lts->c_cc[LINUX_VTIME] = bts->c_cc[VTIME];
lts->c_cc[LINUX_VMIN] = bts->c_cc[VMIN];
lts->c_cc[LINUX_VEOL] = bts->c_cc[VEOL];
lts->c_cc[LINUX_VEOL2] = bts->c_cc[VEOL2];
lts->c_cc[LINUX_VWERASE] = bts->c_cc[VWERASE];
lts->c_cc[LINUX_VSUSP] = bts->c_cc[VSUSP];
lts->c_cc[LINUX_VSTART] = bts->c_cc[VSTART];
lts->c_cc[LINUX_VSTOP] = bts->c_cc[VSTOP];
lts->c_cc[LINUX_VLNEXT] = bts->c_cc[VLNEXT];
lts->c_cc[LINUX_VDISCARD] = bts->c_cc[VDISCARD];
lts->c_cc[LINUX_VREPRINT] = bts->c_cc[VREPRINT];
lts->c_cc[LINUX_VSWTC] = 0;

/* XXX should be fixed someday */
lts->c_line = 0;
}
#endif /* !_LINUX_TERMIOS_H */