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linux_termios.h revision 1.21
      1 /*	$NetBSD: linux_termios.h,v 1.21 2011/09/25 13:40:07 chs Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1998 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Eric Haszlakiewicz.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #ifndef _LINUX_TERMIOS_H
     33 #define _LINUX_TERMIOS_H
     34 
     35 #if defined(__i386__)
     36 #include <compat/linux/arch/i386/linux_termios.h>
     37 #elif defined(__m68k__)
     38 #include <compat/linux/arch/m68k/linux_termios.h>
     39 #elif defined(__alpha__)
     40 #include <compat/linux/arch/alpha/linux_termios.h>
     41 #elif defined(__powerpc__)
     42 #include <compat/linux/arch/powerpc/linux_termios.h>
     43 #elif defined(__mips__)
     44 #include <compat/linux/arch/mips/linux_termios.h>
     45 #elif defined(__arm__)
     46 #include <compat/linux/arch/arm/linux_termios.h>
     47 #elif defined(__amd64__)
     48 #include <compat/linux/arch/amd64/linux_termios.h>
     49 #else
     50 #error Undefined linux_termios.h machine type.
     51 #endif
     52 
     53 struct linux_winsize {
     54 	unsigned short ws_row;
     55 	unsigned short ws_col;
     56 	unsigned short ws_xpixel;
     57 	unsigned short ws_ypixel;
     58 };
     59 
     60 /*
     61  * LINUX_NCC is architecture dependent. It is now
     62  * defined in sys/compat/linux/<arch>/linux_termios.h
     63  */
     64 struct linux_termio {
     65 	unsigned short c_iflag;
     66 	unsigned short c_oflag;
     67 	unsigned short c_cflag;
     68 	unsigned short c_lflag;
     69 	unsigned char c_line;
     70 	unsigned char c_cc[LINUX_NCC];
     71 };
     72 
     73 struct linux_termios {
     74 	linux_tcflag_t	c_iflag;
     75 	linux_tcflag_t	c_oflag;
     76 	linux_tcflag_t	c_cflag;
     77 	linux_tcflag_t	c_lflag;
     78 	linux_cc_t	c_line;
     79 	linux_cc_t	c_cc[LINUX_NCCS];
     80 #ifdef LINUX_LARGE_STRUCT_TERMIOS
     81 	/*
     82     * Present on some linux ports but unused:
     83 	 * However we must enable it, else it breaks ioctl
     84 	 * definitions (the size does not match anymore)
     85     */
     86 	linux_speed_t	c_ispeed;
     87 	linux_speed_t	c_ospeed;
     88 #endif
     89 };
     90 
     91 /* Linux modem line defines.. not sure if they'll be used */
     92 #define LINUX_TIOCM_LE		0x0001
     93 #define LINUX_TIOCM_DTR		0x0002
     94 #define LINUX_TIOCM_RTS		0x0004
     95 #define LINUX_TIOCM_ST		0x0008
     96 #define LINUX_TIOCM_SR		0x0010
     97 #define LINUX_TIOCM_CTS		0x0020
     98 #define LINUX_TIOCM_CAR		0x0040
     99 #define LINUX_TIOCM_RNG		0x0080
    100 #define LINUX_TIOCM_DSR		0x0100
    101 #define LINUX_TIOCM_CD		LINUX_TIOCM_CAR
    102 #define LINUX_TIOCM_RI 		LINUX_TIOCM_RNG
    103 
    104 #define	LINUX_TCIFLUSH		0
    105 #define	LINUX_TCOFLUSH		1
    106 #define	LINUX_TCIOFLUSH		2
    107 
    108 #define	LINUX_TCOOFF		0
    109 #define	LINUX_TCOON		1
    110 #define	LINUX_TCIOFF		2
    111 #define	LINUX_TCION		3
    112 
    113 #define	LINUX_TCSANOW		0
    114 #define	LINUX_TCSADRAIN		1
    115 #define	LINUX_TCSAFLUSH		2
    116 
    117 /* Linux line disciplines */
    118 #define LINUX_N_TTY		0
    119 #define LINUX_N_SLIP		1
    120 #define LINUX_N_MOUSE		2
    121 #define LINUX_N_PPP		3
    122 #define	LINUX_N_STRIP		4
    123 
    124 /* currently unused: */
    125 #define	LINUX_N_AX25		5
    126 #define	LINUX_N_X25		6
    127 #define	LINUX_N_6PACK		7
    128 
    129 /* values passed to TIOCLINUX ioctl */
    130 #define LINUX_TIOCLINUX_COPY		 2
    131 #define LINUX_TIOCLINUX_PASTE		 3
    132 #define LINUX_TIOCLINUX_UNBLANK		 4
    133 #define LINUX_TIOCLINUX_LOADLUT		 5
    134 #define LINUX_TIOCLINUX_READSHIFT	 6
    135 #define LINUX_TIOCLINUX_READMOUSE	 7
    136 #define LINUX_TIOCLINUX_VESABLANK	10
    137 #define LINUX_TIOCLINUX_KERNMSG		11
    138 #define LINUX_TIOCLINUX_CURCONS		12
    139 
    140 static linux_speed_t linux_speeds[] = {
    141 	0, 50, 75, 110, 134, 150, 200, 300, 600, 1200, 1800, 2400, 4800,
    142 	9600, 19200, 38400, 57600, 115200, 230400
    143 };
    144 
    145 static const int linux_spmasks[] = {
    146 	LINUX_B0, LINUX_B50, LINUX_B75, LINUX_B110, LINUX_B134, LINUX_B150,
    147 	LINUX_B200, LINUX_B300, LINUX_B600, LINUX_B1200, LINUX_B1800,
    148 	LINUX_B2400, LINUX_B4800, LINUX_B9600, LINUX_B19200, LINUX_B38400,
    149 	LINUX_B57600, LINUX_B115200, LINUX_B230400
    150 };
    151 
    152 #ifdef COMPAT_LINUX32
    153 struct linux32_termio;
    154 struct linux32_termios;
    155 static void linux32_termio_to_bsd_termios(struct linux32_termio *,
    156 					     struct termios *);
    157 static void bsd_termios_to_linux32_termio(struct termios *,
    158 					     struct linux32_termio *);
    159 static void linux32_termios_to_bsd_termios(struct linux32_termios *,
    160 					      struct termios *);
    161 static void bsd_termios_to_linux32_termios(struct termios *,
    162 					      struct linux32_termios *);
    163 #else
    164 struct linux_termio;
    165 struct linux_termios;
    166 static void linux_termio_to_bsd_termios(struct linux_termio *,
    167 					     struct termios *);
    168 static void bsd_termios_to_linux_termio(struct termios *,
    169 					     struct linux_termio *);
    170 static void linux_termios_to_bsd_termios(struct linux_termios *,
    171 					      struct termios *);
    172 static void bsd_termios_to_linux_termios(struct termios *,
    173 					      struct linux_termios *);
    174 #endif
    175 
    176 /*
    177  * Deal with termio ioctl cruft. This doesn't look very good..
    178  * XXX too much code duplication, obviously..
    179  *
    180  * The conversion routines between Linux and BSD structures assume
    181  * that the fields are already filled with the current values,
    182  * so that fields present in BSD but not in Linux keep their current
    183  * values.
    184  */
    185 
    186 static void
    187 #ifdef COMPAT_LINUX32
    188 linux32_termio_to_bsd_termios(struct linux32_termio *lt, struct termios *bts)
    189 #else
    190 linux_termio_to_bsd_termios(struct linux_termio *lt, struct termios *bts)
    191 #endif
    192 {
    193 	int index;
    194 
    195 	bts->c_iflag = 0;
    196 	bts->c_iflag |= cvtto_bsd_mask(lt->c_iflag, LINUX_IGNBRK, IGNBRK);
    197 	bts->c_iflag |= cvtto_bsd_mask(lt->c_iflag, LINUX_BRKINT, BRKINT);
    198 	bts->c_iflag |= cvtto_bsd_mask(lt->c_iflag, LINUX_IGNPAR, IGNPAR);
    199 	bts->c_iflag |= cvtto_bsd_mask(lt->c_iflag, LINUX_INPCK, INPCK);
    200 	bts->c_iflag |= cvtto_bsd_mask(lt->c_iflag, LINUX_ISTRIP, ISTRIP);
    201 	bts->c_iflag |= cvtto_bsd_mask(lt->c_iflag, LINUX_INLCR, INLCR);
    202 	bts->c_iflag |= cvtto_bsd_mask(lt->c_iflag, LINUX_IGNCR, IGNCR);
    203 	bts->c_iflag |= cvtto_bsd_mask(lt->c_iflag, LINUX_ICRNL, ICRNL);
    204 	bts->c_iflag |= cvtto_bsd_mask(lt->c_iflag, LINUX_IXON, IXON);
    205 	bts->c_iflag |= cvtto_bsd_mask(lt->c_iflag, LINUX_IXANY, IXANY);
    206 	bts->c_iflag |= cvtto_bsd_mask(lt->c_iflag, LINUX_IXOFF, IXOFF);
    207 	bts->c_iflag |= cvtto_bsd_mask(lt->c_iflag, LINUX_IMAXBEL, IMAXBEL);
    208 
    209 	bts->c_oflag = 0;
    210 	bts->c_oflag |= cvtto_bsd_mask(lt->c_oflag, LINUX_OPOST, OPOST);
    211 	bts->c_oflag |= cvtto_bsd_mask(lt->c_oflag, LINUX_ONLCR, ONLCR);
    212 	bts->c_oflag |= cvtto_bsd_mask(lt->c_oflag, LINUX_XTABS, OXTABS);
    213 
    214 	/*
    215 	 * This could have been:
    216 	 * bts->c_cflag = (lt->c_flag & LINUX_CSIZE) << 4
    217 	 * But who knows, those values might perhaps change one day.
    218 	 */
    219 	switch (lt->c_cflag & LINUX_CSIZE) {
    220 	case LINUX_CS5:
    221 		bts->c_cflag = CS5;
    222 		break;
    223 	case LINUX_CS6:
    224 		bts->c_cflag = CS6;
    225 		break;
    226 	case LINUX_CS7:
    227 		bts->c_cflag = CS7;
    228 		break;
    229 	case LINUX_CS8:
    230 		bts->c_cflag = CS8;
    231 		break;
    232 	}
    233 	bts->c_cflag |= cvtto_bsd_mask(lt->c_cflag, LINUX_CSTOPB, CSTOPB);
    234 	bts->c_cflag |= cvtto_bsd_mask(lt->c_cflag, LINUX_CREAD, CREAD);
    235 	bts->c_cflag |= cvtto_bsd_mask(lt->c_cflag, LINUX_PARENB, PARENB);
    236 	bts->c_cflag |= cvtto_bsd_mask(lt->c_cflag, LINUX_PARODD, PARODD);
    237 	bts->c_cflag |= cvtto_bsd_mask(lt->c_cflag, LINUX_HUPCL, HUPCL);
    238 	bts->c_cflag |= cvtto_bsd_mask(lt->c_cflag, LINUX_CLOCAL, CLOCAL);
    239 	bts->c_cflag |= cvtto_bsd_mask(lt->c_cflag, LINUX_CRTSCTS, CRTSCTS);
    240 
    241 	bts->c_lflag = 0;
    242 	bts->c_lflag |= cvtto_bsd_mask(lt->c_lflag, LINUX_ISIG, ISIG);
    243 	bts->c_lflag |= cvtto_bsd_mask(lt->c_lflag, LINUX_ICANON, ICANON);
    244 	bts->c_lflag |= cvtto_bsd_mask(lt->c_lflag, LINUX_ECHO, ECHO);
    245 	bts->c_lflag |= cvtto_bsd_mask(lt->c_lflag, LINUX_ECHOE, ECHOE);
    246 	bts->c_lflag |= cvtto_bsd_mask(lt->c_lflag, LINUX_ECHOK, ECHOK);
    247 	bts->c_lflag |= cvtto_bsd_mask(lt->c_lflag, LINUX_ECHONL, ECHONL);
    248 	bts->c_lflag |= cvtto_bsd_mask(lt->c_lflag, LINUX_NOFLSH, NOFLSH);
    249 	bts->c_lflag |= cvtto_bsd_mask(lt->c_lflag, LINUX_TOSTOP, TOSTOP);
    250 	bts->c_lflag |= cvtto_bsd_mask(lt->c_lflag, LINUX_ECHOCTL, ECHOCTL);
    251 	bts->c_lflag |= cvtto_bsd_mask(lt->c_lflag, LINUX_ECHOPRT, ECHOPRT);
    252 	bts->c_lflag |= cvtto_bsd_mask(lt->c_lflag, LINUX_ECHOKE, ECHOKE);
    253 	bts->c_lflag |= cvtto_bsd_mask(lt->c_lflag, LINUX_FLUSHO, FLUSHO);
    254 	bts->c_lflag |= cvtto_bsd_mask(lt->c_lflag, LINUX_PENDIN, PENDIN);
    255 	bts->c_lflag |= cvtto_bsd_mask(lt->c_lflag, LINUX_IEXTEN, IEXTEN);
    256 
    257 	index = lt->c_cflag & LINUX_CBAUD;
    258 	if (index & LINUX_CBAUDEX)
    259 		index = (index & ~LINUX_CBAUDEX) + LINUX_NSPEEDS - 1;
    260 	bts->c_ispeed = bts->c_ospeed = linux_speeds[index];
    261 
    262 	bts->c_cc[VINTR] = lt->c_cc[LINUX_OLD_VINTR];
    263 	bts->c_cc[VQUIT] = lt->c_cc[LINUX_OLD_VQUIT];
    264 	bts->c_cc[VERASE] = lt->c_cc[LINUX_OLD_VERASE];
    265 	bts->c_cc[VKILL] = lt->c_cc[LINUX_OLD_VKILL];
    266 #if LINUX_VEOF < LINUX_NCC
    267 	bts->c_cc[VEOF] = lt->c_cc[LINUX_OLD_VEOF];
    268 #endif
    269 	bts->c_cc[VTIME] = lt->c_cc[LINUX_OLD_VTIME];
    270 	bts->c_cc[VMIN] = lt->c_cc[LINUX_OLD_VMIN];
    271 }
    272 
    273 static void
    274 #ifdef COMPAT_LINUX32
    275 bsd_termios_to_linux32_termio(struct termios *bts, struct linux32_termio *lt)
    276 #else
    277 bsd_termios_to_linux_termio(struct termios *bts, struct linux_termio *lt)
    278 #endif
    279 {
    280 	int i, mask;
    281 
    282 	lt->c_iflag = 0;
    283 	lt->c_iflag |= cvtto_linux_mask(bts->c_iflag, IGNBRK, LINUX_IGNBRK);
    284 	lt->c_iflag |= cvtto_linux_mask(bts->c_iflag, BRKINT, LINUX_BRKINT);
    285 	lt->c_iflag |= cvtto_linux_mask(bts->c_iflag, IGNPAR, LINUX_IGNPAR);
    286 	lt->c_iflag |= cvtto_linux_mask(bts->c_iflag, INPCK, LINUX_INPCK);
    287 	lt->c_iflag |= cvtto_linux_mask(bts->c_iflag, ISTRIP, LINUX_ISTRIP);
    288 	lt->c_iflag |= cvtto_linux_mask(bts->c_iflag, INLCR, LINUX_INLCR);
    289 	lt->c_iflag |= cvtto_linux_mask(bts->c_iflag, IGNCR, LINUX_IGNCR);
    290 	lt->c_iflag |= cvtto_linux_mask(bts->c_iflag, ICRNL, LINUX_ICRNL);
    291 	lt->c_iflag |= cvtto_linux_mask(bts->c_iflag, IXON, LINUX_IXON);
    292 	lt->c_iflag |= cvtto_linux_mask(bts->c_iflag, IXANY, LINUX_IXANY);
    293 	lt->c_iflag |= cvtto_linux_mask(bts->c_iflag, IXOFF, LINUX_IXOFF);
    294 	lt->c_iflag |= cvtto_linux_mask(bts->c_iflag, IMAXBEL, LINUX_IMAXBEL);
    295 
    296 	lt->c_oflag = 0;
    297 	lt->c_oflag |= cvtto_linux_mask(bts->c_oflag, OPOST, LINUX_OPOST);
    298 	lt->c_oflag |= cvtto_linux_mask(bts->c_oflag, ONLCR, LINUX_ONLCR);
    299 	lt->c_oflag |= cvtto_linux_mask(bts->c_oflag, OXTABS, LINUX_XTABS);
    300 
    301 	switch (bts->c_cflag & CSIZE) {
    302 	case CS5:
    303 		lt->c_cflag = LINUX_CS5;
    304 		break;
    305 	case CS6:
    306 		lt->c_cflag = LINUX_CS6;
    307 		break;
    308 	case CS7:
    309 		lt->c_cflag = LINUX_CS7;
    310 		break;
    311 	case CS8:
    312 		lt->c_cflag = LINUX_CS8;
    313 		break;
    314 	}
    315 	lt->c_cflag |= cvtto_linux_mask(bts->c_cflag, CSTOPB, LINUX_CSTOPB);
    316 	lt->c_cflag |= cvtto_linux_mask(bts->c_cflag, CREAD, LINUX_CREAD);
    317 	lt->c_cflag |= cvtto_linux_mask(bts->c_cflag, PARENB, LINUX_PARENB);
    318 	lt->c_cflag |= cvtto_linux_mask(bts->c_cflag, PARODD, LINUX_PARODD);
    319 	lt->c_cflag |= cvtto_linux_mask(bts->c_cflag, HUPCL, LINUX_HUPCL);
    320 	lt->c_cflag |= cvtto_linux_mask(bts->c_cflag, CLOCAL, LINUX_CLOCAL);
    321 	lt->c_cflag |= cvtto_linux_mask(bts->c_cflag, CRTSCTS, LINUX_CRTSCTS);
    322 
    323 	lt->c_lflag = 0;
    324 	lt->c_lflag |= cvtto_linux_mask(bts->c_lflag, ISIG, LINUX_ISIG);
    325 	lt->c_lflag |= cvtto_linux_mask(bts->c_lflag, ICANON, LINUX_ICANON);
    326 	lt->c_lflag |= cvtto_linux_mask(bts->c_lflag, ECHO, LINUX_ECHO);
    327 	lt->c_lflag |= cvtto_linux_mask(bts->c_lflag, ECHOE, LINUX_ECHOE);
    328 	lt->c_lflag |= cvtto_linux_mask(bts->c_lflag, ECHOK, LINUX_ECHOK);
    329 	lt->c_lflag |= cvtto_linux_mask(bts->c_lflag, ECHONL, LINUX_ECHONL);
    330 	lt->c_lflag |= cvtto_linux_mask(bts->c_lflag, NOFLSH, LINUX_NOFLSH);
    331 	lt->c_lflag |= cvtto_linux_mask(bts->c_lflag, TOSTOP, LINUX_TOSTOP);
    332 	lt->c_lflag |= cvtto_linux_mask(bts->c_lflag, ECHOCTL, LINUX_ECHOCTL);
    333 	lt->c_lflag |= cvtto_linux_mask(bts->c_lflag, ECHOPRT, LINUX_ECHOPRT);
    334 	lt->c_lflag |= cvtto_linux_mask(bts->c_lflag, ECHOKE, LINUX_ECHOKE);
    335 	lt->c_lflag |= cvtto_linux_mask(bts->c_lflag, FLUSHO, LINUX_FLUSHO);
    336 	lt->c_lflag |= cvtto_linux_mask(bts->c_lflag, PENDIN, LINUX_PENDIN);
    337 	lt->c_lflag |= cvtto_linux_mask(bts->c_lflag, IEXTEN, LINUX_IEXTEN);
    338 
    339 	mask = LINUX_B9600;	/* XXX default value should this be 0? */
    340 	for (i = 0; i < sizeof (linux_speeds) / sizeof (linux_speed_t); i++) {
    341 		if (bts->c_ospeed == linux_speeds[i]) {
    342 			mask = linux_spmasks[i];
    343 			break;
    344 		}
    345 	}
    346 	lt->c_cflag |= mask;
    347 
    348 	lt->c_cc[LINUX_OLD_VINTR] = bts->c_cc[VINTR];
    349 	lt->c_cc[LINUX_OLD_VQUIT] = bts->c_cc[VQUIT];
    350 	lt->c_cc[LINUX_OLD_VERASE] = bts->c_cc[VERASE];
    351 	lt->c_cc[LINUX_OLD_VKILL] = bts->c_cc[VKILL];
    352 #if LINUX_OLD_VEOF < LINUX_NCC
    353 	lt->c_cc[LINUX_OLD_VEOF] = bts->c_cc[VEOF];
    354 #endif
    355 	lt->c_cc[LINUX_OLD_VTIME] = bts->c_cc[VTIME];
    356 	lt->c_cc[LINUX_OLD_VMIN] = bts->c_cc[VMIN];
    357 	lt->c_cc[LINUX_OLD_VSWTC] = 0;
    358 
    359 	/* XXX should be fixed someday */
    360 	lt->c_line = 0;
    361 }
    362 
    363 static void
    364 #ifdef COMPAT_LINUX32
    365 linux32_termios_to_bsd_termios(struct linux32_termios *lts, struct termios *bts)
    366 #else
    367 linux_termios_to_bsd_termios(struct linux_termios *lts, struct termios *bts)
    368 #endif
    369 {
    370 	int index;
    371 
    372 	bts->c_iflag = 0;
    373 	bts->c_iflag |= cvtto_bsd_mask(lts->c_iflag, LINUX_IGNBRK, IGNBRK);
    374 	bts->c_iflag |= cvtto_bsd_mask(lts->c_iflag, LINUX_BRKINT, BRKINT);
    375 	bts->c_iflag |= cvtto_bsd_mask(lts->c_iflag, LINUX_IGNPAR, IGNPAR);
    376 	bts->c_iflag |= cvtto_bsd_mask(lts->c_iflag, LINUX_INPCK, INPCK);
    377 	bts->c_iflag |= cvtto_bsd_mask(lts->c_iflag, LINUX_ISTRIP, ISTRIP);
    378 	bts->c_iflag |= cvtto_bsd_mask(lts->c_iflag, LINUX_INLCR, INLCR);
    379 	bts->c_iflag |= cvtto_bsd_mask(lts->c_iflag, LINUX_IGNCR, IGNCR);
    380 	bts->c_iflag |= cvtto_bsd_mask(lts->c_iflag, LINUX_ICRNL, ICRNL);
    381 	bts->c_iflag |= cvtto_bsd_mask(lts->c_iflag, LINUX_IXON, IXON);
    382 	bts->c_iflag |= cvtto_bsd_mask(lts->c_iflag, LINUX_IXANY, IXANY);
    383 	bts->c_iflag |= cvtto_bsd_mask(lts->c_iflag, LINUX_IXOFF, IXOFF);
    384 	bts->c_iflag |= cvtto_bsd_mask(lts->c_iflag, LINUX_IMAXBEL, IMAXBEL);
    385 
    386 	bts->c_oflag = 0;
    387 	bts->c_oflag |= cvtto_bsd_mask(lts->c_oflag, LINUX_OPOST, OPOST);
    388 	bts->c_oflag |= cvtto_bsd_mask(lts->c_oflag, LINUX_ONLCR, ONLCR);
    389 	bts->c_oflag |= cvtto_bsd_mask(lts->c_oflag, LINUX_XTABS, OXTABS);
    390 
    391 	bts->c_cflag = 0;
    392 	switch (lts->c_cflag & LINUX_CSIZE) {
    393 	case LINUX_CS5:
    394 		bts->c_cflag = CS5;
    395 		break;
    396 	case LINUX_CS6:
    397 		bts->c_cflag = CS6;
    398 		break;
    399 	case LINUX_CS7:
    400 		bts->c_cflag = CS7;
    401 		break;
    402 	case LINUX_CS8:
    403 		bts->c_cflag = CS8;
    404 		break;
    405 	}
    406 	bts->c_cflag |= cvtto_bsd_mask(lts->c_cflag, LINUX_CSTOPB, CSTOPB);
    407 	bts->c_cflag |= cvtto_bsd_mask(lts->c_cflag, LINUX_CREAD, CREAD);
    408 	bts->c_cflag |= cvtto_bsd_mask(lts->c_cflag, LINUX_PARENB, PARENB);
    409 	bts->c_cflag |= cvtto_bsd_mask(lts->c_cflag, LINUX_PARODD, PARODD);
    410 	bts->c_cflag |= cvtto_bsd_mask(lts->c_cflag, LINUX_HUPCL, HUPCL);
    411 	bts->c_cflag |= cvtto_bsd_mask(lts->c_cflag, LINUX_CLOCAL, CLOCAL);
    412 	bts->c_cflag |= cvtto_bsd_mask(lts->c_cflag, LINUX_CRTSCTS, CRTSCTS);
    413 
    414 	bts->c_lflag = 0;
    415 	bts->c_lflag |= cvtto_bsd_mask(lts->c_lflag, LINUX_ISIG, ISIG);
    416 	bts->c_lflag |= cvtto_bsd_mask(lts->c_lflag, LINUX_ICANON, ICANON);
    417 	bts->c_lflag |= cvtto_bsd_mask(lts->c_lflag, LINUX_ECHO, ECHO);
    418 	bts->c_lflag |= cvtto_bsd_mask(lts->c_lflag, LINUX_ECHOE, ECHOE);
    419 	bts->c_lflag |= cvtto_bsd_mask(lts->c_lflag, LINUX_ECHOK, ECHOK);
    420 	bts->c_lflag |= cvtto_bsd_mask(lts->c_lflag, LINUX_ECHONL, ECHONL);
    421 	bts->c_lflag |= cvtto_bsd_mask(lts->c_lflag, LINUX_NOFLSH, NOFLSH);
    422 	bts->c_lflag |= cvtto_bsd_mask(lts->c_lflag, LINUX_TOSTOP, TOSTOP);
    423 	bts->c_lflag |= cvtto_bsd_mask(lts->c_lflag, LINUX_ECHOCTL, ECHOCTL);
    424 	bts->c_lflag |= cvtto_bsd_mask(lts->c_lflag, LINUX_ECHOPRT, ECHOPRT);
    425 	bts->c_lflag |= cvtto_bsd_mask(lts->c_lflag, LINUX_ECHOKE, ECHOKE);
    426 	bts->c_lflag |= cvtto_bsd_mask(lts->c_lflag, LINUX_FLUSHO, FLUSHO);
    427 	bts->c_lflag |= cvtto_bsd_mask(lts->c_lflag, LINUX_PENDIN, PENDIN);
    428 	bts->c_lflag |= cvtto_bsd_mask(lts->c_lflag, LINUX_IEXTEN, IEXTEN);
    429 
    430 	index = lts->c_cflag & LINUX_CBAUD;
    431 	if (index & LINUX_CBAUDEX)
    432 		index = (index & ~LINUX_CBAUDEX) + LINUX_NSPEEDS - 1;
    433 	bts->c_ispeed = bts->c_ospeed = linux_speeds[index];
    434 	/*
    435 	 * A null c_ospeed causes NetBSD to hangup the terminal.
    436 	 * Linux does not do this, and it sets c_ospeed to zero
    437 	 * sometimes. If it is null, we store -1 in the kernel
    438 	 */
    439 	if (bts->c_ospeed == 0)
    440 		bts->c_ospeed = -1;
    441 
    442 	bts->c_cc[VINTR] = lts->c_cc[LINUX_VINTR];
    443 	bts->c_cc[VQUIT] = lts->c_cc[LINUX_VQUIT];
    444 	bts->c_cc[VERASE] = lts->c_cc[LINUX_VERASE];
    445 	bts->c_cc[VKILL] = lts->c_cc[LINUX_VKILL];
    446 	bts->c_cc[VEOF] = lts->c_cc[LINUX_VEOF];
    447 	bts->c_cc[VTIME] = lts->c_cc[LINUX_VTIME];
    448 	bts->c_cc[VMIN] = lts->c_cc[LINUX_VMIN];
    449 	bts->c_cc[VEOL] = lts->c_cc[LINUX_VEOL];
    450 	bts->c_cc[VEOL2] = lts->c_cc[LINUX_VEOL2];
    451 	bts->c_cc[VWERASE] = lts->c_cc[LINUX_VWERASE];
    452 	bts->c_cc[VSUSP] = lts->c_cc[LINUX_VSUSP];
    453 	bts->c_cc[VSTART] = lts->c_cc[LINUX_VSTART];
    454 	bts->c_cc[VSTOP] = lts->c_cc[LINUX_VSTOP];
    455 	bts->c_cc[VLNEXT] = lts->c_cc[LINUX_VLNEXT];
    456 	bts->c_cc[VDISCARD] = lts->c_cc[LINUX_VDISCARD];
    457 	bts->c_cc[VREPRINT] = lts->c_cc[LINUX_VREPRINT];
    458 }
    459 
    460 static void
    461 #ifdef COMPAT_LINUX32
    462 bsd_termios_to_linux32_termios(struct termios *bts, struct linux32_termios *lts)
    463 #else
    464 bsd_termios_to_linux_termios(struct termios *bts, struct linux_termios *lts)
    465 #endif
    466 {
    467 	int i, mask;
    468 
    469 	lts->c_iflag = 0;
    470 	lts->c_iflag |= cvtto_linux_mask(bts->c_iflag, IGNBRK, LINUX_IGNBRK);
    471 	lts->c_iflag |= cvtto_linux_mask(bts->c_iflag, BRKINT, LINUX_BRKINT);
    472 	lts->c_iflag |= cvtto_linux_mask(bts->c_iflag, IGNPAR, LINUX_IGNPAR);
    473 	lts->c_iflag |= cvtto_linux_mask(bts->c_iflag, INPCK, LINUX_INPCK);
    474 	lts->c_iflag |= cvtto_linux_mask(bts->c_iflag, ISTRIP, LINUX_ISTRIP);
    475 	lts->c_iflag |= cvtto_linux_mask(bts->c_iflag, INLCR, LINUX_INLCR);
    476 	lts->c_iflag |= cvtto_linux_mask(bts->c_iflag, IGNCR, LINUX_IGNCR);
    477 	lts->c_iflag |= cvtto_linux_mask(bts->c_iflag, ICRNL, LINUX_ICRNL);
    478 	lts->c_iflag |= cvtto_linux_mask(bts->c_iflag, IXON, LINUX_IXON);
    479 	lts->c_iflag |= cvtto_linux_mask(bts->c_iflag, IXANY, LINUX_IXANY);
    480 	lts->c_iflag |= cvtto_linux_mask(bts->c_iflag, IXOFF, LINUX_IXOFF);
    481 	lts->c_iflag |= cvtto_linux_mask(bts->c_iflag, IMAXBEL, LINUX_IMAXBEL);
    482 
    483 	lts->c_oflag = 0;
    484 	lts->c_oflag |= cvtto_linux_mask(bts->c_oflag, OPOST, LINUX_OPOST);
    485 	lts->c_oflag |= cvtto_linux_mask(bts->c_oflag, ONLCR, LINUX_ONLCR);
    486 	lts->c_oflag |= cvtto_linux_mask(bts->c_oflag, OXTABS, LINUX_XTABS);
    487 
    488 	switch (bts->c_cflag & CSIZE) {
    489 	case CS5:
    490 		lts->c_cflag = LINUX_CS5;
    491 		break;
    492 	case CS6:
    493 		lts->c_cflag = LINUX_CS6;
    494 		break;
    495 	case CS7:
    496 		lts->c_cflag = LINUX_CS7;
    497 		break;
    498 	case CS8:
    499 		lts->c_cflag = LINUX_CS8;
    500 		break;
    501 	}
    502 	lts->c_cflag |= cvtto_linux_mask(bts->c_cflag, CS5, LINUX_CS5);
    503 	lts->c_cflag |= cvtto_linux_mask(bts->c_cflag, CS6, LINUX_CS6);
    504 	lts->c_cflag |= cvtto_linux_mask(bts->c_cflag, CS7, LINUX_CS7);
    505 	lts->c_cflag |= cvtto_linux_mask(bts->c_cflag, CS8, LINUX_CS8);
    506 	lts->c_cflag |= cvtto_linux_mask(bts->c_cflag, CSTOPB, LINUX_CSTOPB);
    507 	lts->c_cflag |= cvtto_linux_mask(bts->c_cflag, CREAD, LINUX_CREAD);
    508 	lts->c_cflag |= cvtto_linux_mask(bts->c_cflag, PARENB, LINUX_PARENB);
    509 	lts->c_cflag |= cvtto_linux_mask(bts->c_cflag, PARODD, LINUX_PARODD);
    510 	lts->c_cflag |= cvtto_linux_mask(bts->c_cflag, HUPCL, LINUX_HUPCL);
    511 	lts->c_cflag |= cvtto_linux_mask(bts->c_cflag, CLOCAL, LINUX_CLOCAL);
    512 	lts->c_cflag |= cvtto_linux_mask(bts->c_cflag, CRTSCTS, LINUX_CRTSCTS);
    513 
    514 	lts->c_lflag = 0;
    515 	lts->c_lflag |= cvtto_linux_mask(bts->c_lflag, ISIG, LINUX_ISIG);
    516 	lts->c_lflag |= cvtto_linux_mask(bts->c_lflag, ICANON, LINUX_ICANON);
    517 	lts->c_lflag |= cvtto_linux_mask(bts->c_lflag, ECHO, LINUX_ECHO);
    518 	lts->c_lflag |= cvtto_linux_mask(bts->c_lflag, ECHOE, LINUX_ECHOE);
    519 	lts->c_lflag |= cvtto_linux_mask(bts->c_lflag, ECHOK, LINUX_ECHOK);
    520 	lts->c_lflag |= cvtto_linux_mask(bts->c_lflag, ECHONL, LINUX_ECHONL);
    521 	lts->c_lflag |= cvtto_linux_mask(bts->c_lflag, NOFLSH, LINUX_NOFLSH);
    522 	lts->c_lflag |= cvtto_linux_mask(bts->c_lflag, TOSTOP, LINUX_TOSTOP);
    523 	lts->c_lflag |= cvtto_linux_mask(bts->c_lflag, ECHOCTL, LINUX_ECHOCTL);
    524 	lts->c_lflag |= cvtto_linux_mask(bts->c_lflag, ECHOPRT, LINUX_ECHOPRT);
    525 	lts->c_lflag |= cvtto_linux_mask(bts->c_lflag, ECHOKE, LINUX_ECHOKE);
    526 	lts->c_lflag |= cvtto_linux_mask(bts->c_lflag, FLUSHO, LINUX_FLUSHO);
    527 	lts->c_lflag |= cvtto_linux_mask(bts->c_lflag, PENDIN, LINUX_PENDIN);
    528 	lts->c_lflag |= cvtto_linux_mask(bts->c_lflag, IEXTEN, LINUX_IEXTEN);
    529 
    530 	mask = LINUX_B9600;	/* XXX default value */
    531 	for (i = 0; i < sizeof (linux_speeds) / sizeof (linux_speed_t); i++) {
    532 		if (bts->c_ospeed == linux_speeds[i]) {
    533 			mask = linux_spmasks[i];
    534 			break;
    535 		}
    536 	}
    537 	/*
    538 	 * A null c_ospeed causes NetBSD to hangup the terminal.
    539 	 * Linux does not do this, and it sets c_ospeed to zero
    540 	 * sometimes. If it is null, we store -1 in the kernel
    541 	 */
    542 	if (bts->c_ospeed == -1)
    543 		bts->c_ospeed = 0;
    544 	lts->c_cflag |= mask;
    545 
    546 	lts->c_cc[LINUX_VINTR] = bts->c_cc[VINTR];
    547 	lts->c_cc[LINUX_VQUIT] = bts->c_cc[VQUIT];
    548 	lts->c_cc[LINUX_VERASE] = bts->c_cc[VERASE];
    549 	lts->c_cc[LINUX_VKILL] = bts->c_cc[VKILL];
    550 	lts->c_cc[LINUX_VEOF] = bts->c_cc[VEOF];
    551 	lts->c_cc[LINUX_VTIME] = bts->c_cc[VTIME];
    552 	lts->c_cc[LINUX_VMIN] = bts->c_cc[VMIN];
    553 	lts->c_cc[LINUX_VEOL] = bts->c_cc[VEOL];
    554 	lts->c_cc[LINUX_VEOL2] = bts->c_cc[VEOL2];
    555 	lts->c_cc[LINUX_VWERASE] = bts->c_cc[VWERASE];
    556 	lts->c_cc[LINUX_VSUSP] = bts->c_cc[VSUSP];
    557 	lts->c_cc[LINUX_VSTART] = bts->c_cc[VSTART];
    558 	lts->c_cc[LINUX_VSTOP] = bts->c_cc[VSTOP];
    559 	lts->c_cc[LINUX_VLNEXT] = bts->c_cc[VLNEXT];
    560 	lts->c_cc[LINUX_VDISCARD] = bts->c_cc[VDISCARD];
    561 	lts->c_cc[LINUX_VREPRINT] = bts->c_cc[VREPRINT];
    562 	lts->c_cc[LINUX_VSWTC] = 0;
    563 
    564 	/* XXX should be fixed someday */
    565 	lts->c_line = 0;
    566 }
    567 #endif /* !_LINUX_TERMIOS_H */
    568