The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]

FreeBSD/Linux Kernel Cross Reference
sys/compat/sunos/sunos_ioctl.c

Version: -  FREEBSD  -  FREEBSD-13-STABLE  -  FREEBSD-13-0  -  FREEBSD-12-STABLE  -  FREEBSD-12-0  -  FREEBSD-11-STABLE  -  FREEBSD-11-0  -  FREEBSD-10-STABLE  -  FREEBSD-10-0  -  FREEBSD-9-STABLE  -  FREEBSD-9-0  -  FREEBSD-8-STABLE  -  FREEBSD-8-0  -  FREEBSD-7-STABLE  -  FREEBSD-7-0  -  FREEBSD-6-STABLE  -  FREEBSD-6-0  -  FREEBSD-5-STABLE  -  FREEBSD-5-0  -  FREEBSD-4-STABLE  -  FREEBSD-3-STABLE  -  FREEBSD22  -  l41  -  OPENBSD  -  linux-2.6  -  MK84  -  PLAN9  -  xnu-8792 
SearchContext: -  none  -  3  -  10 

    1 /*      $NetBSD: sunos_ioctl.c,v 1.71 2021/09/07 11:43:05 riastradh Exp $       */
    2 
    3 /*
    4  * Copyright (c) 1993 Markus Wild.
    5  * All rights reserved.
    6  *
    7  * Redistribution and use in source and binary forms, with or without
    8  * modification, are permitted provided that the following conditions
    9  * are met:
   10  * 1. Redistributions of source code must retain the above copyright
   11  *    notice, this list of conditions and the following disclaimer.
   12  * 2. The name of the author may not be used to endorse or promote products
   13  *    derived from this software without specific prior written permission
   14  *
   15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
   16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   18  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
   19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
   20  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   21  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   22  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
   24  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   25  *
   26  * loosely from: Header: sunos_ioctl.c,v 1.7 93/05/28 04:40:43 torek Exp
   27  */
   28 
   29 #include <sys/cdefs.h>
   30 __KERNEL_RCSID(0, "$NetBSD: sunos_ioctl.c,v 1.71 2021/09/07 11:43:05 riastradh Exp $");
   31 
   32 #include <sys/param.h>
   33 #include <sys/proc.h>
   34 #include <sys/systm.h>
   35 #include <sys/file.h>
   36 #include <sys/filedesc.h>
   37 #include <sys/ioctl.h>
   38 #include <sys/termios.h>
   39 #include <sys/tty.h>
   40 #include <sys/socket.h>
   41 #include <sys/audioio.h>
   42 #include <sys/vnode.h>
   43 #include <sys/mount.h>
   44 #include <sys/disklabel.h>
   45 #include <sys/syscallargs.h>
   46 
   47 #include <miscfs/specfs/specdev.h>
   48 
   49 #include <net/if.h>
   50 
   51 #include <compat/sys/sockio.h>
   52 
   53 #include <dev/sun/disklabel.h>
   54 
   55 #include <compat/sunos/sunos.h>
   56 #include <compat/sunos/sunos_syscallargs.h>
   57 #include <compat/common/compat_util.h>
   58 
   59 /*
   60  * SunOS ioctl calls.
   61  * This file is something of a hodge-podge.
   62  * Support gets added as things turn up....
   63  */
   64 
   65 static const struct speedtab sptab[] = {
   66         { 0, 0 },
   67         { 50, 1 },
   68         { 75, 2 },
   69         { 110, 3 },
   70         { 134, 4 },
   71         { 135, 4 },
   72         { 150, 5 },
   73         { 200, 6 },
   74         { 300, 7 },
   75         { 600, 8 },
   76         { 1200, 9 },
   77         { 1800, 10 },
   78         { 2400, 11 },
   79         { 4800, 12 },
   80         { 9600, 13 },
   81         { 19200, 14 },
   82         { 38400, 15 },
   83         { -1, -1 }
   84 };
   85 
   86 static const u_long s2btab[] = {
   87         0,
   88         50,
   89         75,
   90         110,
   91         134,
   92         150,
   93         200,
   94         300,
   95         600,
   96         1200,
   97         1800,
   98         2400,
   99         4800,
  100         9600,
  101         19200,
  102         38400,
  103 };
  104 
  105 static void stios2btios(struct sunos_termios *, struct termios *);
  106 static void btios2stios(struct termios *, struct sunos_termios *);
  107 static void stios2stio(struct sunos_termios *, struct sunos_termio *);
  108 static void stio2stios(struct sunos_termio *, struct sunos_termios *);
  109 
  110 /*
  111  * These two conversion functions have mostly been done
  112  * with some perl cut&paste, then hand-edited to comment
  113  * out what doesn't exist under NetBSD.
  114  * A note from Markus's code:
  115  *      (l & BITMASK1) / BITMASK1 * BITMASK2  is translated
  116  *      optimally by gcc m68k, much better than any ?: stuff.
  117  *      Code may vary with different architectures of course.
  118  *
  119  * I don't know what optimizer you used, but seeing divu's and
  120  * bfextu's in the m68k assembly output did not encourage me...
  121  * as well, gcc on the sparc definitely generates much better
  122  * code with `?:'.
  123  */
  124 
  125 static void
  126 stios2btios(struct sunos_termios *st, struct termios *bt)
  127 {
  128         u_long l, r;
  129 
  130         memset(bt, 0, sizeof(*bt));
  131 
  132         l = st->c_iflag;
  133         r =     ((l & 0x00000001) ? IGNBRK      : 0);
  134         r |=    ((l & 0x00000002) ? BRKINT      : 0);
  135         r |=    ((l & 0x00000004) ? IGNPAR      : 0);
  136         r |=    ((l & 0x00000008) ? PARMRK      : 0);
  137         r |=    ((l & 0x00000010) ? INPCK       : 0);
  138         r |=    ((l & 0x00000020) ? ISTRIP      : 0);
  139         r |=    ((l & 0x00000040) ? INLCR       : 0);
  140         r |=    ((l & 0x00000080) ? IGNCR       : 0);
  141         r |=    ((l & 0x00000100) ? ICRNL       : 0);
  142         /*      ((l & 0x00000200) ? IUCLC       : 0) */
  143         r |=    ((l & 0x00000400) ? IXON        : 0);
  144         r |=    ((l & 0x00000800) ? IXANY       : 0);
  145         r |=    ((l & 0x00001000) ? IXOFF       : 0);
  146         r |=    ((l & 0x00002000) ? IMAXBEL     : 0);
  147         bt->c_iflag = r;
  148 
  149         l = st->c_oflag;
  150         r =     ((l & 0x00000001) ? OPOST       : 0);
  151         /*      ((l & 0x00000002) ? OLCUC       : 0) */
  152         r |=    ((l & 0x00000004) ? ONLCR       : 0);
  153         /*      ((l & 0x00000008) ? OCRNL       : 0) */
  154         /*      ((l & 0x00000010) ? ONOCR       : 0) */
  155         /*      ((l & 0x00000020) ? ONLRET      : 0) */
  156         /*      ((l & 0x00000040) ? OFILL       : 0) */
  157         /*      ((l & 0x00000080) ? OFDEL       : 0) */
  158         /*      ((l & 0x00000100) ? NLDLY       : 0) */
  159         /*      ((l & 0x00000100) ? NL1         : 0) */
  160         /*      ((l & 0x00000600) ? CRDLY       : 0) */
  161         /*      ((l & 0x00000200) ? CR1         : 0) */
  162         /*      ((l & 0x00000400) ? CR2         : 0) */
  163         /*      ((l & 0x00000600) ? CR3         : 0) */
  164         /*      ((l & 0x00001800) ? TABDLY      : 0) */
  165         /*      ((l & 0x00000800) ? TAB1        : 0) */
  166         /*      ((l & 0x00001000) ? TAB2        : 0) */
  167         r |=    ((l & 0x00001800) ? OXTABS      : 0);
  168         /*      ((l & 0x00002000) ? BSDLY       : 0) */
  169         /*      ((l & 0x00002000) ? BS1         : 0) */
  170         /*      ((l & 0x00004000) ? VTDLY       : 0) */
  171         /*      ((l & 0x00004000) ? VT1         : 0) */
  172         /*      ((l & 0x00008000) ? FFDLY       : 0) */
  173         /*      ((l & 0x00008000) ? FF1         : 0) */
  174         /*      ((l & 0x00010000) ? PAGEOUT     : 0) */
  175         /*      ((l & 0x00020000) ? WRAP        : 0) */
  176         bt->c_oflag = r;
  177 
  178         l = st->c_cflag;
  179         switch (l & 0x00000030) {
  180         case 0:
  181                 r = CS5;
  182                 break;
  183         case 0x00000010:
  184                 r = CS6;
  185                 break;
  186         case 0x00000020:
  187                 r = CS7;
  188                 break;
  189         case 0x00000030:
  190                 r = CS8;
  191                 break;
  192         }
  193         r |=    ((l & 0x00000040) ? CSTOPB      : 0);
  194         r |=    ((l & 0x00000080) ? CREAD       : 0);
  195         r |=    ((l & 0x00000100) ? PARENB      : 0);
  196         r |=    ((l & 0x00000200) ? PARODD      : 0);
  197         r |=    ((l & 0x00000400) ? HUPCL       : 0);
  198         r |=    ((l & 0x00000800) ? CLOCAL      : 0);
  199         /*      ((l & 0x00001000) ? LOBLK       : 0) */
  200         r |=    ((l & 0x80000000) ? (CRTS_IFLOW|CCTS_OFLOW) : 0);
  201         bt->c_cflag = r;
  202 
  203         bt->c_ispeed = bt->c_ospeed = s2btab[l & 0x0000000f];
  204 
  205         l = st->c_lflag;
  206         r =     ((l & 0x00000001) ? ISIG        : 0);
  207         r |=    ((l & 0x00000002) ? ICANON      : 0);
  208         /*      ((l & 0x00000004) ? XCASE       : 0) */
  209         r |=    ((l & 0x00000008) ? ECHO        : 0);
  210         r |=    ((l & 0x00000010) ? ECHOE       : 0);
  211         r |=    ((l & 0x00000020) ? ECHOK       : 0);
  212         r |=    ((l & 0x00000040) ? ECHONL      : 0);
  213         r |=    ((l & 0x00000080) ? NOFLSH      : 0);
  214         r |=    ((l & 0x00000100) ? TOSTOP      : 0);
  215         r |=    ((l & 0x00000200) ? ECHOCTL     : 0);
  216         r |=    ((l & 0x00000400) ? ECHOPRT     : 0);
  217         r |=    ((l & 0x00000800) ? ECHOKE      : 0);
  218         /*      ((l & 0x00001000) ? DEFECHO     : 0) */
  219         r |=    ((l & 0x00002000) ? FLUSHO      : 0);
  220         r |=    ((l & 0x00004000) ? PENDIN      : 0);
  221         bt->c_lflag = r;
  222 
  223         bt->c_cc[VINTR]    = st->c_cc[0]  ? st->c_cc[0]  : _POSIX_VDISABLE;
  224         bt->c_cc[VQUIT]    = st->c_cc[1]  ? st->c_cc[1]  : _POSIX_VDISABLE;
  225         bt->c_cc[VERASE]   = st->c_cc[2]  ? st->c_cc[2]  : _POSIX_VDISABLE;
  226         bt->c_cc[VKILL]    = st->c_cc[3]  ? st->c_cc[3]  : _POSIX_VDISABLE;
  227         bt->c_cc[VEOF]     = st->c_cc[4]  ? st->c_cc[4]  : _POSIX_VDISABLE;
  228         bt->c_cc[VEOL]     = st->c_cc[5]  ? st->c_cc[5]  : _POSIX_VDISABLE;
  229         bt->c_cc[VEOL2]    = st->c_cc[6]  ? st->c_cc[6]  : _POSIX_VDISABLE;
  230     /*  bt->c_cc[VSWTCH]   = st->c_cc[7]  ? st->c_cc[7]  : _POSIX_VDISABLE; */
  231         bt->c_cc[VSTART]   = st->c_cc[8]  ? st->c_cc[8]  : _POSIX_VDISABLE;
  232         bt->c_cc[VSTOP]    = st->c_cc[9]  ? st->c_cc[9]  : _POSIX_VDISABLE;
  233         bt->c_cc[VSUSP]    = st->c_cc[10] ? st->c_cc[10] : _POSIX_VDISABLE;
  234         bt->c_cc[VDSUSP]   = st->c_cc[11] ? st->c_cc[11] : _POSIX_VDISABLE;
  235         bt->c_cc[VREPRINT] = st->c_cc[12] ? st->c_cc[12] : _POSIX_VDISABLE;
  236         bt->c_cc[VDISCARD] = st->c_cc[13] ? st->c_cc[13] : _POSIX_VDISABLE;
  237         bt->c_cc[VWERASE]  = st->c_cc[14] ? st->c_cc[14] : _POSIX_VDISABLE;
  238         bt->c_cc[VLNEXT]   = st->c_cc[15] ? st->c_cc[15] : _POSIX_VDISABLE;
  239         bt->c_cc[VSTATUS]  = st->c_cc[16] ? st->c_cc[16] : _POSIX_VDISABLE;
  240 
  241         /* if `raw mode', create native VMIN/VTIME from SunOS VEOF/VEOL */
  242         bt->c_cc[VMIN]     = (bt->c_lflag & ICANON) ? 1 : bt->c_cc[VEOF];
  243         bt->c_cc[VTIME]    = (bt->c_lflag & ICANON) ? 1 : bt->c_cc[VEOL];
  244 }
  245 
  246 
  247 static void
  248 btios2stios(struct termios *bt, struct sunos_termios *st)
  249 {
  250         u_long l, r;
  251         int s;
  252 
  253         memset(st, 0, sizeof(*st));
  254 
  255         l = bt->c_iflag;
  256         r =     ((l &  IGNBRK) ? 0x00000001     : 0);
  257         r |=    ((l &  BRKINT) ? 0x00000002     : 0);
  258         r |=    ((l &  IGNPAR) ? 0x00000004     : 0);
  259         r |=    ((l &  PARMRK) ? 0x00000008     : 0);
  260         r |=    ((l &   INPCK) ? 0x00000010     : 0);
  261         r |=    ((l &  ISTRIP) ? 0x00000020     : 0);
  262         r |=    ((l &   INLCR) ? 0x00000040     : 0);
  263         r |=    ((l &   IGNCR) ? 0x00000080     : 0);
  264         r |=    ((l &   ICRNL) ? 0x00000100     : 0);
  265         /*      ((l &   IUCLC) ? 0x00000200     : 0) */
  266         r |=    ((l &    IXON) ? 0x00000400     : 0);
  267         r |=    ((l &   IXANY) ? 0x00000800     : 0);
  268         r |=    ((l &   IXOFF) ? 0x00001000     : 0);
  269         r |=    ((l & IMAXBEL) ? 0x00002000     : 0);
  270         st->c_iflag = r;
  271 
  272         l = bt->c_oflag;
  273         r =     ((l &   OPOST) ? 0x00000001     : 0);
  274         /*      ((l &   OLCUC) ? 0x00000002     : 0) */
  275         r |=    ((l &   ONLCR) ? 0x00000004     : 0);
  276         /*      ((l &   OCRNL) ? 0x00000008     : 0) */
  277         /*      ((l &   ONOCR) ? 0x00000010     : 0) */
  278         /*      ((l &  ONLRET) ? 0x00000020     : 0) */
  279         /*      ((l &   OFILL) ? 0x00000040     : 0) */
  280         /*      ((l &   OFDEL) ? 0x00000080     : 0) */
  281         /*      ((l &   NLDLY) ? 0x00000100     : 0) */
  282         /*      ((l &     NL1) ? 0x00000100     : 0) */
  283         /*      ((l &   CRDLY) ? 0x00000600     : 0) */
  284         /*      ((l &     CR1) ? 0x00000200     : 0) */
  285         /*      ((l &     CR2) ? 0x00000400     : 0) */
  286         /*      ((l &     CR3) ? 0x00000600     : 0) */
  287         /*      ((l &  TABDLY) ? 0x00001800     : 0) */
  288         /*      ((l &    TAB1) ? 0x00000800     : 0) */
  289         /*      ((l &    TAB2) ? 0x00001000     : 0) */
  290         r |=    ((l &  OXTABS) ? 0x00001800     : 0);
  291         /*      ((l &   BSDLY) ? 0x00002000     : 0) */
  292         /*      ((l &     BS1) ? 0x00002000     : 0) */
  293         /*      ((l &   VTDLY) ? 0x00004000     : 0) */
  294         /*      ((l &     VT1) ? 0x00004000     : 0) */
  295         /*      ((l &   FFDLY) ? 0x00008000     : 0) */
  296         /*      ((l &     FF1) ? 0x00008000     : 0) */
  297         /*      ((l & PAGEOUT) ? 0x00010000     : 0) */
  298         /*      ((l &    WRAP) ? 0x00020000     : 0) */
  299         st->c_oflag = r;
  300 
  301         l = bt->c_cflag;
  302         switch (l & CSIZE) {
  303         case CS5:
  304                 r = 0;
  305                 break;
  306         case CS6:
  307                 r = 0x00000010;
  308                 break;
  309         case CS7:
  310                 r = 0x00000020;
  311                 break;
  312         case CS8:
  313                 r = 0x00000030;
  314                 break;
  315         }
  316         r |=    ((l &  CSTOPB) ? 0x00000040     : 0);
  317         r |=    ((l &   CREAD) ? 0x00000080     : 0);
  318         r |=    ((l &  PARENB) ? 0x00000100     : 0);
  319         r |=    ((l &  PARODD) ? 0x00000200     : 0);
  320         r |=    ((l &   HUPCL) ? 0x00000400     : 0);
  321         r |=    ((l &  CLOCAL) ? 0x00000800     : 0);
  322         /*      ((l &   LOBLK) ? 0x00001000     : 0) */
  323         r |=    ((l & (CRTS_IFLOW|CCTS_OFLOW)) ? 0x80000000 : 0);
  324         st->c_cflag = r;
  325 
  326         l = bt->c_lflag;
  327         r =     ((l &    ISIG) ? 0x00000001     : 0);
  328         r |=    ((l &  ICANON) ? 0x00000002     : 0);
  329         /*      ((l &   XCASE) ? 0x00000004     : 0) */
  330         r |=    ((l &    ECHO) ? 0x00000008     : 0);
  331         r |=    ((l &   ECHOE) ? 0x00000010     : 0);
  332         r |=    ((l &   ECHOK) ? 0x00000020     : 0);
  333         r |=    ((l &  ECHONL) ? 0x00000040     : 0);
  334         r |=    ((l &  NOFLSH) ? 0x00000080     : 0);
  335         r |=    ((l &  TOSTOP) ? 0x00000100     : 0);
  336         r |=    ((l & ECHOCTL) ? 0x00000200     : 0);
  337         r |=    ((l & ECHOPRT) ? 0x00000400     : 0);
  338         r |=    ((l &  ECHOKE) ? 0x00000800     : 0);
  339         /*      ((l & DEFECHO) ? 0x00001000     : 0) */
  340         r |=    ((l &  FLUSHO) ? 0x00002000     : 0);
  341         r |=    ((l &  PENDIN) ? 0x00004000     : 0);
  342         st->c_lflag = r;
  343 
  344         s = ttspeedtab(bt->c_ospeed, sptab);
  345         if (s >= 0)
  346                 st->c_cflag |= s;
  347 
  348         st->c_cc[0] = bt->c_cc[VINTR]   != _POSIX_VDISABLE? bt->c_cc[VINTR]:0;
  349         st->c_cc[1] = bt->c_cc[VQUIT]   != _POSIX_VDISABLE? bt->c_cc[VQUIT]:0;
  350         st->c_cc[2] = bt->c_cc[VERASE]  != _POSIX_VDISABLE? bt->c_cc[VERASE]:0;
  351         st->c_cc[3] = bt->c_cc[VKILL]   != _POSIX_VDISABLE? bt->c_cc[VKILL]:0;
  352         st->c_cc[4] = bt->c_cc[VEOF]    != _POSIX_VDISABLE? bt->c_cc[VEOF]:0;
  353         st->c_cc[5] = bt->c_cc[VEOL]    != _POSIX_VDISABLE? bt->c_cc[VEOL]:0;
  354         st->c_cc[6] = bt->c_cc[VEOL2]   != _POSIX_VDISABLE? bt->c_cc[VEOL2]:0;
  355         st->c_cc[7] = 0;
  356                 /*    bt->c_cc[VSWTCH]  != _POSIX_VDISABLE? bt->c_cc[VSWTCH]: */
  357         st->c_cc[8] = bt->c_cc[VSTART]  != _POSIX_VDISABLE? bt->c_cc[VSTART]:0;
  358         st->c_cc[9] = bt->c_cc[VSTOP]   != _POSIX_VDISABLE? bt->c_cc[VSTOP]:0;
  359         st->c_cc[10]= bt->c_cc[VSUSP]   != _POSIX_VDISABLE? bt->c_cc[VSUSP]:0;
  360         st->c_cc[11]= bt->c_cc[VDSUSP]  != _POSIX_VDISABLE? bt->c_cc[VDSUSP]:0;
  361         st->c_cc[12]= bt->c_cc[VREPRINT]!= _POSIX_VDISABLE? bt->c_cc[VREPRINT]:0;
  362         st->c_cc[13]= bt->c_cc[VDISCARD]!= _POSIX_VDISABLE? bt->c_cc[VDISCARD]:0;
  363         st->c_cc[14]= bt->c_cc[VWERASE] != _POSIX_VDISABLE? bt->c_cc[VWERASE]:0;
  364         st->c_cc[15]= bt->c_cc[VLNEXT]  != _POSIX_VDISABLE? bt->c_cc[VLNEXT]:0;
  365         st->c_cc[16]= bt->c_cc[VSTATUS] != _POSIX_VDISABLE? bt->c_cc[VSTATUS]:0;
  366 
  367         if (!(bt->c_lflag & ICANON)) {
  368                 /* SunOS stores VMIN/VTIME in VEOF/VEOL (if ICANON is off) */
  369                 st->c_cc[4] = bt->c_cc[VMIN];
  370                 st->c_cc[5] = bt->c_cc[VTIME];
  371         }
  372 
  373         st->c_line = 0;
  374 }
  375 
  376 static void
  377 stios2stio(struct sunos_termios *ts, struct sunos_termio *t)
  378 {
  379 
  380         memset(t, 0, sizeof(*t));
  381         t->c_iflag = ts->c_iflag;
  382         t->c_oflag = ts->c_oflag;
  383         t->c_cflag = ts->c_cflag;
  384         t->c_lflag = ts->c_lflag;
  385         t->c_line  = ts->c_line;
  386         memcpy(t->c_cc, ts->c_cc, 8);
  387 }
  388 
  389 static void
  390 stio2stios(struct sunos_termio *t, struct sunos_termios *ts)
  391 {
  392 
  393         memset(ts, 0, sizeof(*ts));
  394         ts->c_iflag = t->c_iflag;
  395         ts->c_oflag = t->c_oflag;
  396         ts->c_cflag = t->c_cflag;
  397         ts->c_lflag = t->c_lflag;
  398         ts->c_line  = t->c_line;
  399         memcpy(ts->c_cc, t->c_cc, 8); /* don't touch the upper fields! */
  400 }
  401 
  402 int
  403 sunos_sys_ioctl(struct lwp *l, const struct sunos_sys_ioctl_args *uap,
  404     register_t *retval)
  405 {
  406         /* {
  407                 int     fd;
  408                 u_long  com;
  409                 void *  data;
  410         } */
  411         file_t *fp;
  412         int (*ctl)(struct file *, u_long, void *);
  413         struct sys_ioctl_args pass_ua;
  414         int error;
  415 
  416         if ((fp = fd_getfile(SCARG(uap, fd))) == NULL)
  417                 return EBADF;
  418 
  419         if ((fp->f_flag & (FREAD|FWRITE)) == 0) {
  420                 error = EBADF;
  421                 goto out;
  422         }
  423 
  424         error = EPASSTHROUGH;
  425         SCARG(&pass_ua, com) = SCARG(uap, com);
  426         ctl = fp->f_ops->fo_ioctl;
  427 
  428         switch (SCARG(uap, com)) {
  429         case _IOR('t', 0, int):
  430                 SCARG(&pass_ua, com) = TIOCGETD;
  431                 break;
  432         case _IOW('t', 1, int):
  433             {
  434                 int disc;
  435 
  436                 if ((error = copyin(SCARG(uap, data), (void *)&disc,
  437                     sizeof disc)) != 0)
  438                         break;
  439 
  440                 /* map SunOS NTTYDISC into our termios discipline */
  441                 if (disc == 2)
  442                         disc = 0;
  443                 /* all other disciplines are not supported by NetBSD */
  444                 if (disc) {
  445                         error = ENXIO;
  446                         break;
  447                 }
  448 
  449                 error = (*ctl)(fp, TIOCSETD, &disc);
  450                 break;
  451             }
  452         case _IOW('t', 101, int):       /* sun SUNOS_TIOCSSOFTCAR */
  453             {
  454                 int x;  /* unused */
  455 
  456                 error = copyin(SCARG(uap, data), (void *)&x, sizeof x);
  457                 break;
  458             }
  459         case _IOR('t', 100, int):       /* sun SUNOS_TIOCSSOFTCAR */
  460             {
  461                 int x = 0;
  462 
  463                 error = copyout((void *)&x, SCARG(uap, data), sizeof x);
  464                 break;
  465             }
  466         case _IO('t', 36):              /* sun TIOCCONS, no parameters */
  467             {
  468                 int on = 1;
  469                 error = (*ctl)(fp, TIOCCONS, &on);
  470                 break;
  471             }
  472         case _IOW('t', 37, struct sunos_ttysize):
  473             {
  474                 struct winsize ws;
  475                 struct sunos_ttysize ss;
  476 
  477                 if ((error = (*ctl)(fp, TIOCGWINSZ, &ws)) != 0)
  478                         break;
  479 
  480                 if ((error = copyin(SCARG(uap, data), &ss, sizeof(ss))) != 0)
  481                         break;
  482 
  483                 ws.ws_row = ss.ts_row;
  484                 ws.ws_col = ss.ts_col;
  485 
  486                 error = (*ctl)(fp, TIOCSWINSZ, &ws);
  487                 break;
  488             }
  489         case _IOW('t', 38, struct sunos_ttysize):
  490             {
  491                 struct winsize ws;
  492                 struct sunos_ttysize ss;
  493 
  494                 if ((error = (*ctl)(fp, TIOCGWINSZ, &ws)) != 0)
  495                         break;
  496 
  497                 memset(&ss, 0, sizeof(ss));
  498                 ss.ts_row = ws.ws_row;
  499                 ss.ts_col = ws.ws_col;
  500 
  501                 error = copyout((void *)&ss, SCARG(uap, data), sizeof(ss));
  502                 break;
  503             }
  504         case _IOR('t', 119, int):       /* TIOCGPGRP */
  505             {
  506                 int pgrp;
  507 
  508                 error = (*ctl)(fp, TIOCGPGRP, &pgrp);
  509                 if (error == 0 && pgrp == 0)
  510                         error = EIO;
  511                 if (error)
  512                         break;
  513                 error = copyout((void *)&pgrp, SCARG(uap, data), sizeof(pgrp));
  514                 break;
  515             }
  516         case _IOW('t', 130, int):       /* TIOCSETPGRP: posix variant */
  517                 SCARG(&pass_ua, com) = TIOCSPGRP;
  518                 break;
  519         case _IOR('t', 131, int):       /* TIOCGETPGRP: posix variant */
  520             {
  521                 /*
  522                  * sigh, must do error translation on pty devices.  if the pgrp
  523                  * returned is 0 (and no error), we convert this to EIO, if it
  524                  * is on a pty.
  525                  */
  526                 int pgrp;
  527                 struct vnode *vp = NULL;
  528 
  529                 error = (*ctl)(fp, TIOCGPGRP, &pgrp);
  530                 if (error) {
  531                         if (fp->f_type == DTYPE_VNODE)
  532                                 vp = fp->f_vnode;
  533                         if ((error == EIO || (error == 0 && pgrp == 0)) &&
  534                             vp != NULL &&
  535                             vp->v_type == VCHR &&
  536                             major(vp->v_rdev) == 21)
  537                                 error = ENOTTY;
  538                         break;
  539                 }
  540                 error = copyout((void *)&pgrp, SCARG(uap, data), sizeof(pgrp));
  541                 break;
  542             }
  543         case _IO('t', 132):
  544                 SCARG(&pass_ua, com) = TIOCSCTTY;
  545                 break;
  546         case SUNOS_TCGETA:
  547         case SUNOS_TCGETS:
  548             {
  549                 struct termios bts;
  550                 struct sunos_termios sts;
  551                 struct sunos_termio st;
  552 
  553                 if ((error = (*ctl)(fp, TIOCGETA, &bts)) != 0)
  554                         break;
  555 
  556                 btios2stios (&bts, &sts);
  557                 if (SCARG(uap, com) == SUNOS_TCGETA) {
  558                         stios2stio (&sts, &st);
  559                         error = copyout((void *)&st, SCARG(uap, data),
  560                             sizeof(st));
  561                 } else
  562                         error = copyout((void *)&sts, SCARG(uap, data),
  563                             sizeof(sts));
  564                 break;
  565             }
  566         case SUNOS_TCSETA:
  567         case SUNOS_TCSETAW:
  568         case SUNOS_TCSETAF:
  569             {
  570                 struct termios bts;
  571                 struct sunos_termios sts;
  572                 struct sunos_termio st;
  573 
  574                 if ((error = copyin(SCARG(uap, data), &st, sizeof(st))) != 0)
  575                         break;
  576 
  577                 /* get full BSD termios so we don't lose information */
  578                 if ((error = (*ctl)(fp, TIOCGETA, &bts)) != 0)
  579                         break;
  580 
  581                 /*
  582                  * convert to sun termios, copy in information from
  583                  * termio, and convert back, then set new values.
  584                  */
  585                 btios2stios(&bts, &sts);
  586                 stio2stios(&st, &sts);
  587                 stios2btios(&sts, &bts);
  588 
  589                 error = (*ctl)(fp, SCARG(uap, com) - SUNOS_TCSETA + TIOCSETA,
  590                     &bts);
  591                 break;
  592             }
  593         case SUNOS_TCSETS:
  594         case SUNOS_TCSETSW:
  595         case SUNOS_TCSETSF:
  596             {
  597                 struct termios bts;
  598                 struct sunos_termios sts;
  599 
  600                 if ((error = copyin(SCARG(uap, data), (void *)&sts,
  601                     sizeof(sts))) != 0)
  602                         break;
  603                 stios2btios (&sts, &bts);
  604                 error = (*ctl)(fp, SCARG(uap, com) - SUNOS_TCSETS + TIOCSETA,
  605                     &bts);
  606                 break;
  607             }
  608 /*
  609  * Pseudo-tty ioctl translations.
  610  */
  611         case _IOW('t', 32, int): {      /* TIOCTCNTL */
  612                 int on;
  613 
  614                 error = copyin(SCARG(uap, data), (void *)&on, sizeof(on));
  615                 if (error)
  616                         break;
  617                 error = (*ctl)(fp, TIOCUCNTL, &on);
  618                 break;
  619         }
  620         case _IOW('t', 33, int): {      /* TIOCSIGNAL */
  621                 int sig;
  622 
  623                 error = copyin(SCARG(uap, data), (void *)&sig, sizeof(sig));
  624                 if (error)
  625                         break;
  626                 error = (*ctl)(fp, TIOCSIG, &sig);
  627                 break;
  628         }
  629 
  630 /*
  631  * Socket ioctl translations.
  632  */
  633 #define IFREQ_IN(a) { \
  634         struct oifreq ifreq; \
  635         error = copyin(SCARG(uap, data), (void *)&ifreq, sizeof(ifreq)); \
  636         if (error) \
  637                 break; \
  638         error = (*ctl)(fp, a, &ifreq); \
  639         break; \
  640 }
  641 #define IFREQ_INOUT(a) { \
  642         struct oifreq ifreq; \
  643         error = copyin(SCARG(uap, data), (void *)&ifreq, sizeof(ifreq)); \
  644         if (error) \
  645                 break; \
  646         if ((error = (*ctl)(fp, a, &ifreq)) != 0) \
  647                 break; \
  648         error = copyout((void *)&ifreq, SCARG(uap, data), sizeof(ifreq)); \
  649         break; \
  650 }
  651 
  652         case _IOW('i', 12, struct oifreq):      /* SIOCSIFADDR */
  653         case _IOW('i', 14, struct oifreq):      /* SIOCSIFDSTADDR */
  654         case _IOW('i', 16, struct oifreq):      /* SIOCSIFFLAGS */
  655         case _IOWR('i', 17, struct oifreq):     /* SIOCGIFFLAGS */
  656         case _IOW('i', 30, struct arpreq):      /* SIOCSARP */
  657         case _IOWR('i', 31, struct arpreq):     /* SIOCGARP */
  658         case _IOW('i', 32, struct arpreq):      /* SIOCDARP */
  659                 break;
  660 
  661         case _IOWR('i', 13, struct oifreq):
  662                 IFREQ_INOUT(OOSIOCGIFADDR);
  663 
  664         case _IOWR('i', 15, struct oifreq):
  665                 IFREQ_INOUT(OOSIOCGIFDSTADDR);
  666 
  667         case _IOW('i', 21, struct oifreq):
  668                 IFREQ_IN(SIOCSIFMTU);
  669 
  670         case _IOWR('i', 22, struct oifreq):
  671                 IFREQ_INOUT(SIOCGIFMTU);
  672 
  673         case _IOWR('i', 23, struct oifreq):
  674                 IFREQ_INOUT(SIOCGIFBRDADDR);
  675 
  676         case _IOW('i', 24, struct oifreq):
  677                 IFREQ_IN(SIOCSIFBRDADDR);
  678 
  679         case _IOWR('i', 25, struct oifreq):
  680                 IFREQ_INOUT(OOSIOCGIFNETMASK);
  681 
  682         case _IOW('i', 26, struct oifreq):
  683                 IFREQ_IN(SIOCSIFNETMASK);
  684 
  685         case _IOWR('i', 27, struct oifreq):
  686                 IFREQ_INOUT(SIOCGIFMETRIC);
  687 
  688         case _IOWR('i', 28, struct oifreq):
  689                 IFREQ_IN(SIOCSIFMETRIC);
  690 
  691         case _IOW('i', 18, struct oifreq):      /* SIOCSIFMEM */
  692         case _IOWR('i', 19, struct oifreq):     /* SIOCGIFMEM */
  693         case _IOW('i', 40, struct oifreq):      /* SIOCUPPER */
  694         case _IOW('i', 41, struct oifreq):      /* SIOCLOWER */
  695         case _IOW('i', 44, struct oifreq):      /* SIOCSETSYNC */
  696         case _IOWR('i', 45, struct oifreq):     /* SIOCGETSYNC */
  697         case _IOWR('i', 46, struct oifreq):     /* SIOCSDSTATS */
  698         case _IOWR('i', 47, struct oifreq):     /* SIOCSESTATS */
  699         case _IOW('i', 48, int):                /* SIOCSPROMISC */
  700         case _IOW('i', 49, struct oifreq):      /* SIOCADDMULTI */
  701         case _IOW('i', 50, struct oifreq):      /* SIOCDELMULTI */
  702                 error = EOPNOTSUPP;
  703                 break;
  704 
  705         case _IOWR('i', 20, struct oifconf):    /* SIOCGIFCONF */
  706             {
  707                 struct oifconf ifc;
  708 
  709                 /*
  710                  * XXX: two more problems
  711                  * 1. our sockaddr's are variable length, not always
  712                  *    sizeof(sockaddr)
  713                  * 2. this returns a name per protocol, ie. it returns two
  714                  *    "lo0"'s
  715                  */
  716                 error = copyin(SCARG(uap, data), &ifc, sizeof(ifc));
  717                 if (error)
  718                         break;
  719                 error = (*ctl)(fp, OOSIOCGIFCONF, &ifc);
  720                 if (error)
  721                         break;
  722                 error = copyout((void *)&ifc, SCARG(uap, data), sizeof(ifc));
  723                 break;
  724             }
  725 
  726 /*
  727  * Audio ioctl translations.
  728  */
  729         case _IOR('A', 1, struct sunos_audio_info):     /* AUDIO_GETINFO */
  730         sunos_au_getinfo:
  731             {
  732                 struct audio_info aui;
  733                 struct sunos_audio_info sunos_aui;
  734 
  735                 error = (*ctl)(fp, AUDIO_GETINFO, &aui);
  736                 if (error)
  737                         break;
  738 
  739                 memset(&sunos_aui, 0, sizeof(sunos_aui));
  740                 sunos_aui.play = *(struct sunos_audio_prinfo *)&aui.play;
  741                 sunos_aui.record = *(struct sunos_audio_prinfo *)&aui.record;
  742 
  743                 /* `avail_ports' is `seek' in BSD */
  744                 sunos_aui.play.avail_ports = AUDIO_SPEAKER | AUDIO_HEADPHONE;
  745                 sunos_aui.record.avail_ports = AUDIO_SPEAKER | AUDIO_HEADPHONE;
  746 
  747                 sunos_aui.play.waiting = 0;
  748                 sunos_aui.record.waiting = 0;
  749                 sunos_aui.play.eof = 0;
  750                 sunos_aui.record.eof = 0;
  751                 sunos_aui.monitor_gain = 0; /* aui.__spare; XXX */
  752                 /*XXXsunos_aui.output_muted = 0;*/
  753                 /*XXX*/sunos_aui.reserved[0] = 0;
  754                 /*XXX*/sunos_aui.reserved[1] = 0;
  755                 /*XXX*/sunos_aui.reserved[2] = 0;
  756                 /*XXX*/sunos_aui.reserved[3] = 0;
  757 
  758                 error = copyout((void *)&sunos_aui, SCARG(uap, data),
  759                                 sizeof(sunos_aui));
  760                 break;
  761             }
  762 
  763         case _IOWR('A', 2, struct sunos_audio_info):    /* AUDIO_SETINFO */
  764             {
  765                 struct audio_info aui;
  766                 struct sunos_audio_info sunos_aui;
  767 
  768                 error = copyin(SCARG(uap, data), (void *)&sunos_aui,
  769                     sizeof(sunos_aui));
  770                 if (error)
  771                         break;
  772 
  773                 aui.play = *(struct audio_prinfo *)&sunos_aui.play;
  774                 aui.record = *(struct audio_prinfo *)&sunos_aui.record;
  775                 /* aui.__spare = sunos_aui.monitor_gain; */
  776                 aui.blocksize = ~0;
  777                 aui.hiwat = ~0;
  778                 aui.lowat = ~0;
  779                 /* XXX somebody check this please. - is: aui.backlog = ~0; */
  780                 aui.mode = ~0;
  781                 /*
  782                  * The bsd driver does not distinguish between paused and
  783                  * active. (In the sun driver, not active means samples are
  784                  * not output at all, but paused means the last streams buffer
  785                  * is drained and then output stops.)  If either are 0, then
  786                  * when stop output. Otherwise, if either are non-zero,
  787                  * we resume.
  788                  */
  789                 if (sunos_aui.play.pause == 0 || sunos_aui.play.active == 0)
  790                         aui.play.pause = 0;
  791                 else if (sunos_aui.play.pause != (u_char)~0 ||
  792                          sunos_aui.play.active != (u_char)~0)
  793                         aui.play.pause = 1;
  794                 if (sunos_aui.record.pause == 0 || sunos_aui.record.active == 0)
  795                         aui.record.pause = 0;
  796                 else if (sunos_aui.record.pause != (u_char)~0 ||
  797                          sunos_aui.record.active != (u_char)~0)
  798                         aui.record.pause = 1;
  799 
  800                 error = (*ctl)(fp, AUDIO_SETINFO, &aui);
  801                 if (error)
  802                         break;
  803                 /* Return new state */
  804                 goto sunos_au_getinfo;
  805             }
  806         case _IO('A', 3):       /* AUDIO_DRAIN */
  807                 error = (*ctl)(fp, AUDIO_DRAIN, NULL);
  808                 break;
  809         case _IOR('A', 4, int): /* AUDIO_GETDEV */
  810             {
  811                 int devtype = SUNOS_AUDIO_DEV_AMD;
  812                 error = copyout((void *)&devtype, SCARG(uap, data),
  813                     sizeof(devtype));
  814                 break;
  815             }
  816 
  817 /*
  818  * Selected streams ioctls.
  819  */
  820 #define SUNOS_S_FLUSHR          1
  821 #define SUNOS_S_FLUSHW          2
  822 #define SUNOS_S_FLUSHRW         3
  823 
  824 #define SUNOS_S_INPUT           1
  825 #define SUNOS_S_HIPRI           2
  826 #define SUNOS_S_OUTPUT          4
  827 #define SUNOS_S_MSG             8
  828 
  829         case _IO('S', 5):       /* I_FLUSH */
  830             {
  831                 int tmp = 0;
  832                 switch ((int)(u_long)SCARG(uap, data)) {
  833                 case SUNOS_S_FLUSHR:    tmp = FREAD; break;
  834                 case SUNOS_S_FLUSHW:    tmp = FWRITE; break;
  835                 case SUNOS_S_FLUSHRW:   tmp = FREAD|FWRITE; break;
  836                 }
  837                 error = (*ctl)(fp, TIOCFLUSH, &tmp);
  838                 break;
  839             }
  840         case _IO('S', 9):       /* I_SETSIG */
  841             {
  842                 int on = 1;
  843                 if (((int)(u_long)SCARG(uap, data) &
  844                         (SUNOS_S_HIPRI|SUNOS_S_INPUT)) == SUNOS_S_HIPRI) {
  845                         error = EOPNOTSUPP;
  846                         break;
  847                 }
  848                 error = (*ctl)(fp, FIOASYNC, &on);
  849                 break;
  850             }
  851         /*
  852          * SunOS disk ioctls, taken from arch/sparc/sparc/disksubr.c
  853          * (which was from the old sparc/scsi/sun_disklabel.c), and
  854          * modified to suite.
  855          */
  856         case SUN_DKIOCGGEOM:
  857             {
  858                 struct disklabel dl;
  859 
  860                 error = (*ctl)(fp, DIOCGDINFO, &dl);
  861                 if (error)
  862                         break;
  863 
  864 #define datageom        ((struct sun_dkgeom *)SCARG(uap, data))
  865                 memset(SCARG(uap, data), 0, sizeof(*datageom));
  866 
  867                 datageom->sdkc_ncylinders = dl.d_ncylinders;
  868                 datageom->sdkc_acylinders = dl.d_acylinders;
  869                 datageom->sdkc_ntracks = dl.d_ntracks;
  870                 datageom->sdkc_nsectors = dl.d_nsectors;
  871                 datageom->sdkc_interleave = dl.d_interleave;
  872                 datageom->sdkc_sparespercyl = dl.d_sparespercyl;
  873                 datageom->sdkc_rpm = dl.d_rpm;
  874                 datageom->sdkc_pcylinders = dl.d_ncylinders + dl.d_acylinders;
  875 #undef datageom
  876                 break;
  877             }
  878 
  879         case SUN_DKIOCINFO:
  880                 /* Homey don't do DKIOCINFO */
  881                 memset(SCARG(uap, data), 0, sizeof(struct sun_dkctlr));
  882                 break;
  883 
  884         case SUN_DKIOCGPART:
  885             {
  886                 struct partinfo pi;
  887                 struct disklabel label;
  888 
  889                 error = (*ctl)(fp, DIOCGDINFO, &label);
  890                 if (error)
  891                         break;
  892                 error = (*ctl)(fp, DIOCGPARTINFO, &pi);
  893                 if (error)
  894                         break;
  895 
  896                 if (label.d_secpercyl == 0) {
  897                         error = ERANGE; /* XXX */
  898                         break;
  899                 }
  900                 if (pi.pi_offset % label.d_secpercyl != 0) {
  901                         error = ERANGE; /* XXX */
  902                         break;
  903                 }
  904 
  905 #define datapart        ((struct sun_dkpart *)SCARG(uap, data))
  906                 datapart->sdkp_cyloffset = pi.pi_offset / label.d_secpercyl;
  907                 datapart->sdkp_nsectors = pi.pi_size;
  908 #undef datapart
  909                 break;
  910             }
  911 
  912         }
  913 
  914 out:
  915         fd_putfile(SCARG(uap, fd));
  916         if (error == EPASSTHROUGH) {
  917                 SCARG(&pass_ua, fd) = SCARG(uap, fd);
  918                 SCARG(&pass_ua, data) = SCARG(uap, data);
  919                 error = sys_ioctl(l, &pass_ua, retval);
  920         }
  921         return error;
  922 }
  923 
  924 /* SunOS fcntl(2) cmds not implemented */
  925 #define SUN_F_RGETLK    10
  926 #define SUN_F_RSETLK    11
  927 #define SUN_F_CNVT      12
  928 #define SUN_F_RSETLKW   13
  929 
  930 /* SunOS flock translation */
  931 struct sunos_flock {
  932         short   l_type;
  933         short   l_whence;
  934         long    l_start;
  935         long    l_len;
  936         short   l_pid;
  937         short   l_xxx;
  938 };
  939 
  940 static void bsd_to_sunos_flock(struct flock *, struct sunos_flock *);
  941 static void sunos_to_bsd_flock(struct sunos_flock *, struct flock *);
  942 
  943 #define SUNOS_F_RDLCK   1
  944 #define SUNOS_F_WRLCK   2
  945 #define SUNOS_F_UNLCK   3
  946 
  947 static void
  948 bsd_to_sunos_flock(struct flock *iflp, struct sunos_flock *oflp)
  949 {
  950 
  951         memset(oflp, 0, sizeof(*oflp));
  952 
  953         switch (iflp->l_type) {
  954         case F_RDLCK:
  955                 oflp->l_type = SUNOS_F_RDLCK;
  956                 break;
  957         case F_WRLCK:
  958                 oflp->l_type = SUNOS_F_WRLCK;
  959                 break;
  960         case F_UNLCK:
  961                 oflp->l_type = SUNOS_F_UNLCK;
  962                 break;
  963         default:
  964                 oflp->l_type = -1;
  965                 break;
  966         }
  967 
  968         oflp->l_whence = (short) iflp->l_whence;
  969         oflp->l_start = (long) iflp->l_start;
  970         oflp->l_len = (long) iflp->l_len;
  971         oflp->l_pid = (short) iflp->l_pid;
  972         oflp->l_xxx = 0;
  973 }
  974 
  975 
  976 static void
  977 sunos_to_bsd_flock(struct sunos_flock *iflp, struct flock *oflp)
  978 {
  979 
  980         memset(oflp, 0, sizeof(*oflp));
  981 
  982         switch (iflp->l_type) {
  983         case SUNOS_F_RDLCK:
  984                 oflp->l_type = F_RDLCK;
  985                 break;
  986         case SUNOS_F_WRLCK:
  987                 oflp->l_type = F_WRLCK;
  988                 break;
  989         case SUNOS_F_UNLCK:
  990                 oflp->l_type = F_UNLCK;
  991                 break;
  992         default:
  993                 oflp->l_type = -1;
  994                 break;
  995         }
  996 
  997         oflp->l_whence = iflp->l_whence;
  998         oflp->l_start = (off_t) iflp->l_start;
  999         oflp->l_len = (off_t) iflp->l_len;
 1000         oflp->l_pid = (pid_t) iflp->l_pid;
 1001 
 1002 }
 1003 static struct {
 1004         long    sun_flg;
 1005         long    bsd_flg;
 1006 } sunfcntl_flgtab[] = {
 1007         /* F_[GS]ETFLags that differ: */
 1008 #define SUN_FSETBLK     0x0010
 1009 #define SUN_SHLOCK      0x0080
 1010 #define SUN_EXLOCK      0x0100
 1011 #define SUN_FNBIO       0x1000
 1012 #define SUN_FSYNC       0x2000
 1013 #define SUN_NONBLOCK    0x4000
 1014 #define SUN_FNOCTTY     0x8000
 1015         { SUN_NONBLOCK, O_NONBLOCK },
 1016         { SUN_FNBIO, O_NONBLOCK },
 1017         { SUN_SHLOCK, O_SHLOCK },
 1018         { SUN_EXLOCK, O_EXLOCK },
 1019         { SUN_FSYNC, O_FSYNC },
 1020         { SUN_FSETBLK, 0 },
 1021         { SUN_FNOCTTY, 0 }
 1022 };
 1023 
 1024 int
 1025 sunos_sys_fcntl(struct lwp *l, const struct sunos_sys_fcntl_args *uap,
 1026     register_t *retval)
 1027 {
 1028         long flg;
 1029         int n, ret;
 1030         struct sys_fcntl_args bsd_ua;
 1031 
 1032         SCARG(&bsd_ua, fd) = SCARG(uap, fd);
 1033         SCARG(&bsd_ua, cmd) = SCARG(uap, cmd);
 1034         SCARG(&bsd_ua, arg) = SCARG(uap, arg);
 1035 
 1036 
 1037         switch (SCARG(uap, cmd)) {
 1038         case F_SETFL:
 1039                 flg = (long)SCARG(uap, arg);
 1040                 n = sizeof(sunfcntl_flgtab) / sizeof(sunfcntl_flgtab[0]);
 1041                 while (--n >= 0) {
 1042                         if (flg & sunfcntl_flgtab[n].sun_flg) {
 1043                                 flg &= ~sunfcntl_flgtab[n].sun_flg;
 1044                                 flg |= sunfcntl_flgtab[n].bsd_flg;
 1045                         }
 1046                 }
 1047                 SCARG(&bsd_ua, arg) = (void *)flg;
 1048                 break;
 1049 
 1050         case F_GETLK:
 1051         case F_SETLK:
 1052         case F_SETLKW:
 1053                 {
 1054                         int error;
 1055                         struct sunos_flock       ifl;
 1056                         struct flock             fl;
 1057 
 1058                         error = copyin(SCARG(uap, arg), &ifl, sizeof ifl);
 1059                         if (error)
 1060                                 return error;
 1061                         sunos_to_bsd_flock(&ifl, &fl);
 1062 
 1063                         error = do_fcntl_lock(SCARG(uap, fd), SCARG(uap, cmd),
 1064                             &fl);
 1065                         if (error)
 1066                                 return error;
 1067 
 1068                         if (error || SCARG(uap, cmd) != F_GETLK)
 1069                                 return error;
 1070 
 1071                         bsd_to_sunos_flock(&fl, &ifl);
 1072 
 1073                         return copyout(&ifl, SCARG(uap, arg), sizeof ifl);
 1074                 }
 1075                 break;
 1076         case SUN_F_RGETLK:
 1077         case SUN_F_RSETLK:
 1078         case SUN_F_CNVT:
 1079         case SUN_F_RSETLKW:
 1080                 return EOPNOTSUPP;
 1081 
 1082         default:
 1083                 break;
 1084         }
 1085 
 1086         ret = sys_fcntl(l, &bsd_ua, retval);
 1087 
 1088         switch (SCARG(&bsd_ua, cmd)) {
 1089         case F_GETFL:
 1090                 n = sizeof(sunfcntl_flgtab) / sizeof(sunfcntl_flgtab[0]);
 1091                 while (--n >= 0) {
 1092                         if (ret & sunfcntl_flgtab[n].bsd_flg) {
 1093                                 ret &= ~sunfcntl_flgtab[n].bsd_flg;
 1094                                 ret |= sunfcntl_flgtab[n].sun_flg;
 1095                         }
 1096                 }
 1097                 break;
 1098         default:
 1099                 break;
 1100         }
 1101 
 1102         return ret;
 1103 }

Cache object: 157e95e56e3538b2953ec23aa148d195


[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]


This page is part of the FreeBSD/Linux Linux Kernel Cross-Reference, and was automatically generated using a modified version of the LXR engine.