Aren
/
NetBSD
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity
NetBSD/sys/compat/linux/common/linux_ioctl.c

646 lines
23 KiB
C
Raw Blame History

/* $NetBSD: linux_ioctl.c,v 1.1 1995/02/28 23:24:58 fvdl Exp $ */
/*
* Copyright (c) 1995 Frank van der Linden
* All rights reserved.
*
* 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed for the NetBSD Project
* by Frank van der Linden
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*/
#include <sys/param.h>
#include <sys/proc.h>
#include <sys/systm.h>
#include <sys/file.h>
#include <sys/filedesc.h>
#include <sys/ioctl.h>
#include <sys/termios.h>
#include <sys/tty.h>
#include <sys/socket.h>
#include <sys/ioctl.h>
#include <sys/mount.h>
#include <sys/syscallargs.h>
#include <compat/linux/linux_types.h>
#include <compat/linux/linux_ioctl.h>
#include <compat/linux/linux_util.h>
#include <compat/linux/linux_syscallargs.h>
static speed_t linux_speeds[] = {
0, 50, 75, 110, 134, 150, 200, 300, 600, 1200, 1800, 2400, 4800,
9600, 19200, 38400, 57600, 115200
};
static 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
};
/*
* 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 int
linux_termio_to_bsd_termios(lt, bts)
register struct linux_termio *lt;
register struct termios *bts;
{
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_VINTR];
bts->c_cc[VQUIT] = lt->c_cc[LINUX_VQUIT];
bts->c_cc[VERASE] = lt->c_cc[LINUX_VERASE];
bts->c_cc[VKILL] = lt->c_cc[LINUX_VKILL];
bts->c_cc[VEOF] = lt->c_cc[LINUX_VEOF];
bts->c_cc[VTIME] = lt->c_cc[LINUX_VTIME];
bts->c_cc[VMIN] = lt->c_cc[LINUX_VMIN];
}
static int
bsd_termios_to_linux_termio(bts, lt)
register struct termios *bts;
register struct linux_termio *lt;
{
int i, mask;
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 (speed_t); i++) {
if (bts->c_ospeed == linux_speeds[i]) {
mask = linux_spmasks[i];
break;
}
}
lt->c_cflag |= mask;
lt->c_cc[LINUX_VINTR] = bts->c_cc[VINTR];
lt->c_cc[LINUX_VQUIT] = bts->c_cc[VQUIT];
lt->c_cc[LINUX_VERASE] = bts->c_cc[VERASE];
lt->c_cc[LINUX_VKILL] = bts->c_cc[VKILL];
lt->c_cc[LINUX_VEOF] = bts->c_cc[VEOF];
lt->c_cc[LINUX_VTIME] = bts->c_cc[VTIME];
lt->c_cc[LINUX_VMIN] = bts->c_cc[VMIN];
lt->c_cc[LINUX_VSWTC] = 0;
/* XXX should be fixed someday */
lt->c_line = 0;
}
static int
linux_termios_to_bsd_termios(lts, bts)
register struct linux_termios *lts;
register struct termios *bts;
{
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];
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 int
bsd_termios_to_linux_termios(bts, lts)
register struct termios *bts;
register struct linux_termios *lts;
{
int i, mask;
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 (speed_t); i++) {
if (bts->c_ospeed == linux_speeds[i]) {
mask = linux_spmasks[i];
break;
}
}
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;
}
/*
* Most ioctl command are just converted to their NetBSD values,
* and passed on. The ones that take structure pointers and (flag)
* values need some massaging. This is done the usual way by
* allocating stackgap memory, letting the actual ioctl call do its
* work their and converting back the data afterwards.
*/
int
linux_ioctl(p, uap, retval)
register struct proc *p;
register struct linux_ioctl_args /* {
syscallarg(int) fd;
syscallarg(u_long) com;
syscallarg(caddr_t) data;
} */ *uap;
register_t *retval;
{
int fd;
unsigned long com;
caddr_t data, sg;
struct file *fp;
struct filedesc *fdp;
struct linux_termio tmplt, *alt;
struct linux_termios tmplts, *alts;
struct termios tmpbts, *abts;
struct ioctl_args ia;
int error, idat, *idatp;
fd = SCARG(&ia, fd) = SCARG(uap, fd);
com = SCARG(uap, com);
data = SCARG(&ia, data) = SCARG(uap, data);
retval[0] = 0;
fdp = p->p_fd;
if ((u_int)fd >= fdp->fd_nfiles ||
(fp = fdp->fd_ofiles[fd]) == NULL)
return (EBADF);
if ((fp->f_flag & (FREAD | FWRITE)) == 0)
return (EBADF);
sg = stackgap_init();
switch (com) {
case LINUX_TCGETS:
SCARG(&ia, com) = TIOCGETA;
abts = stackgap_alloc(&sg, sizeof (*abts));
SCARG(&ia, data) = (caddr_t) abts;
if ((error = ioctl(p, &ia, retval)) != 0)
return error;
if ((error = copyin(abts, &tmpbts, sizeof tmpbts)))
return error;
bsd_termios_to_linux_termios(&tmpbts, &tmplts);
return copyout(&tmplts, data, sizeof tmplts);
case LINUX_TCSETS:
case LINUX_TCSETSW:
case LINUX_TCSETSF:
switch (com) {
case LINUX_TCSETS:
SCARG(&ia, com) = TIOCSETA;
break;
case LINUX_TCSETSW:
SCARG(&ia, com) = TIOCSETAW;
break;
case LINUX_TCSETSF:
SCARG(&ia, com) = TIOCSETAF;
break;
}
if ((error = copyin(data, &tmplts, sizeof tmplts)))
return error;
abts = stackgap_alloc(&sg, sizeof tmpbts);
/*
* First fill in all fields, so that we keep the current
* values for fields that Linux doesn't know about.
*/
if ((error = (*fp->f_ops->fo_ioctl)(fp, TIOCGETA,
(caddr_t) &tmpbts, p)))
return error;
linux_termios_to_bsd_termios(&tmplts, &tmpbts);
if ((error = copyout(&tmpbts, abts, sizeof tmpbts)))
return error;
SCARG(&ia, data) = (caddr_t) abts;
return ioctl(p, &ia, retval);
case LINUX_TCGETA:
SCARG(&ia, com) = TIOCGETA;
abts = stackgap_alloc(&sg, sizeof (*abts));
SCARG(&ia, data) = (caddr_t) abts;
if ((error = ioctl(p, &ia, retval)) != 0)
return error;
if ((error = copyin(abts, &tmpbts, sizeof tmpbts)))
return error;
bsd_termios_to_linux_termio(&tmpbts, &tmplt);
return copyout(&tmplt, data, sizeof tmplt);
case LINUX_TCSETA:
case LINUX_TCSETAW:
case LINUX_TCSETAF:
switch (com) {
case LINUX_TCSETA:
SCARG(&ia, com) = TIOCSETA;
break;
case LINUX_TCSETAW:
SCARG(&ia, com) = TIOCSETAW;
break;
case LINUX_TCSETAF:
SCARG(&ia, com) = TIOCSETAF;
break;
}
if ((error = copyin(&tmplt, data, sizeof tmplt)))
return error;
abts = stackgap_alloc(&sg, sizeof tmpbts);
/*
* First fill in all fields, so that we keep the current
* values for fields that Linux doesn't know about.
*/
if ((error = (*fp->f_ops->fo_ioctl)(fp, TIOCGETA,
(caddr_t) &tmpbts, p)))
return error;
linux_termio_to_bsd_termios(&tmplt, &tmpbts);
if ((error = copyout(&tmpbts, abts, sizeof tmpbts)))
return error;
SCARG(&ia, data) = (caddr_t) abts;
return ioctl(p, &ia, retval);
case LINUX_TIOCSETD:
if ((error = copyin(data, (caddr_t) &idat, sizeof idat)))
return error;
switch (idat) {
case LINUX_N_TTY:
idat = TTYDISC;
break;
case LINUX_N_SLIP:
idat = SLIPDISC;
break;
case LINUX_N_PPP:
idat = PPPDISC;
break;
/*
* We can't handle the mouse line discipline Linux has.
*/
case LINUX_N_MOUSE:
default:
return EINVAL;
}
idatp = (int *) stackgap_alloc(&sg, sizeof (int));
if ((error = copyout(&idat, idatp, sizeof (int))))
return error;
SCARG(&ia, com) = TIOCSETD;
SCARG(&ia, data) = (caddr_t) idatp;
break;
case LINUX_TIOCGETD:
idatp = (int *) stackgap_alloc(&sg, sizeof (int));
SCARG(&ia, com) = TIOCGETD;
SCARG(&ia, data) = (caddr_t) idatp;
if ((error = ioctl(p, &ia, retval)))
return error;
if ((error = copyin(idatp, (caddr_t) &idat, sizeof (int))))
return error;
switch (idat) {
case TTYDISC:
idat = LINUX_N_TTY;
break;
case SLIPDISC:
idat = LINUX_N_SLIP;
break;
case PPPDISC:
idat = LINUX_N_PPP;
break;
/*
* Linux does not have the tablet line discipline.
*/
case TABLDISC:
default:
idat = -1; /* XXX What should this be? */
break;
}
return copyout(&idat, data, sizeof (int));
case LINUX_TIOCGWINSZ:
SCARG(&ia, com) = TIOCGWINSZ;
break;
case LINUX_TIOCSWINSZ:
SCARG(&ia, com) = TIOCSWINSZ;
break;
case LINUX_TIOCGPGRP:
SCARG(&ia, com) = TIOCGPGRP;
break;
case LINUX_TIOCSPGRP:
SCARG(&ia, com) = TIOCSPGRP;
break;
case LINUX_FIONREAD:
SCARG(&ia, com) = FIONREAD;
break;
case LINUX_FIONBIO:
SCARG(&ia, com) = FIONBIO;
break;
case LINUX_FIOASYNC:
SCARG(&ia, com) = FIOASYNC;
break;
case LINUX_TIOCEXCL:
SCARG(&ia, com) = TIOCEXCL;
break;
case LINUX_TIOCNXCL:
SCARG(&ia, com) = TIOCNXCL;
break;
case LINUX_TIOCCONS:
SCARG(&ia, com) = TIOCCONS;
break;
case LINUX_TIOCNOTTY:
SCARG(&ia, com) = TIOCNOTTY;
break;
default:
return EINVAL;
}
return ioctl(p, &ia, retval);
}
Reference in New Issue View Git Blame Copy Permalink