sys/compat/osf1/osf1_descrip.c

   1 /* $NetBSD: osf1_descrip.c,v 1.27 2009/01/26 13:00:05 njoly Exp $ */
   2
   3 /*
   4  * Copyright (c) 1999 Christopher G. Demetriou.  All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  * 1. Redistributions of source code must retain the above copyright
  10  *    notice, this list of conditions and the following disclaimer.
  11  * 2. Redistributions in binary form must reproduce the above copyright
  12  *    notice, this list of conditions and the following disclaimer in the
  13  *    documentation and/or other materials provided with the distribution.
  14  * 3. All advertising materials mentioning features or use of this software
  15  *    must display the following acknowledgement:
  16  *      This product includes software developed by Christopher G. Demetriou
  17  *      for the NetBSD Project.
  18  * 4. The name of the author may not be used to endorse or promote products
  19  *    derived from this software without specific prior written permission
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  22  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  23  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  24  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  26  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  30  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  31  */
  32
  33 /*
  34  * Copyright (c) 1994, 1995 Carnegie-Mellon University.
  35  * All rights reserved.
  36  *
  37  * Author: Chris G. Demetriou
  38  *
  39  * Permission to use, copy, modify and distribute this software and
  40  * its documentation is hereby granted, provided that both the copyright
  41  * notice and this permission notice appear in all copies of the
  42  * software, derivative works or modified versions, and any portions
  43  * thereof, and that both notices appear in supporting documentation.
  44  *
  45  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
  46  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
  47  * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
  48  *
  49  * Carnegie Mellon requests users of this software to return to
  50  *
  51  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
  52  *  School of Computer Science
  53  *  Carnegie Mellon University
  54  *  Pittsburgh PA 15213-3890
  55  *
  56  * any improvements or extensions that they make and grant Carnegie the
  57  * rights to redistribute these changes.
  58  */
  59
  60 #include <sys/cdefs.h>
  61 __KERNEL_RCSID(0, "$NetBSD: osf1_descrip.c,v 1.27 2009/01/26 13:00:05 njoly Exp $");
  62
  63 #include <sys/param.h>
  64 #include <sys/systm.h>
  65 #include <sys/namei.h>
  66 #include <sys/proc.h>
  67 #include <sys/file.h>
  68 #include <sys/stat.h>
  69 #include <sys/filedesc.h>
  70 #include <sys/kernel.h>
  71 #include <sys/malloc.h>
  72 #include <sys/mman.h>
  73 #include <sys/mount.h>
  74 #include <sys/signal.h>
  75 #include <sys/signalvar.h>
  76 #include <sys/reboot.h>
  77 #include <sys/syscallargs.h>
  78 #include <sys/exec.h>
  79 #include <sys/vnode.h>
  80 #include <sys/socketvar.h>
  81 #include <sys/resource.h>
  82 #include <sys/resourcevar.h>
  83 #include <sys/wait.h>
  84
  85 #include <compat/osf1/osf1.h>
  86 #include <compat/osf1/osf1_syscallargs.h>
  87 #include <compat/osf1/osf1_cvt.h>
  88
  89 int
  90 osf1_sys_fcntl(struct lwp *l, const struct osf1_sys_fcntl_args *uap, register_t *retval)
  91 {
  92         struct sys_fcntl_args a;
  93         struct osf1_flock oflock;
  94         struct flock nflock;
  95         unsigned long xfl, leftovers;
  96         int error;
  97
  98         SCARG(&a, fd) = SCARG(uap, fd);
  99
 100         leftovers = 0;
 101         switch (SCARG(uap, cmd)) {
 102         case OSF1_F_DUPFD:
 103                 SCARG(&a, cmd) = F_DUPFD;
 104                 SCARG(&a, arg) = SCARG(uap, arg);
 105                 break;
 106
 107         case OSF1_F_GETFD:
 108                 SCARG(&a, cmd) = F_GETFD;
 109                 SCARG(&a, arg) = 0;             /* ignored */
 110                 break;
 111
 112         case OSF1_F_SETFD:
 113                 SCARG(&a, cmd) = F_SETFD;
 114                 SCARG(&a, arg) = (void *)emul_flags_translate(
 115                     osf1_fcntl_getsetfd_flags_xtab,
 116                     (unsigned long)SCARG(uap, arg), &leftovers);
 117                 break;
 118
 119         case OSF1_F_GETFL:
 120                 SCARG(&a, cmd) = F_GETFL;
 121                 SCARG(&a, arg) = 0;             /* ignored */
 122                 break;
 123
 124         case OSF1_F_SETFL:
 125                 SCARG(&a, cmd) = F_SETFL;
 126                 xfl = emul_flags_translate(osf1_open_flags_xtab,
 127                     (unsigned long)SCARG(uap, arg), &leftovers);
 128                 xfl |= emul_flags_translate(osf1_fcntl_getsetfl_flags_xtab,
 129                     leftovers, &leftovers);
 130                 SCARG(&a, arg) = (void *)xfl;
 131                 break;
 132
 133         case OSF1_F_GETOWN:             /* XXX not yet supported */
 134         case OSF1_F_SETOWN:             /* XXX not yet supported */
 135                 /* XXX translate. */
 136                 return (EINVAL);
 137
 138         case OSF1_F_GETLK:
 139         case OSF1_F_SETLK:
 140         case OSF1_F_SETLKW:
 141                 if (SCARG(uap, cmd) == OSF1_F_GETLK)
 142                         SCARG(&a, cmd) = F_GETLK;
 143                 else if (SCARG(uap, cmd) == OSF1_F_SETLK)
 144                         SCARG(&a, cmd) = F_SETLK;
 145                 else if (SCARG(uap, cmd) == OSF1_F_SETLKW)
 146                         SCARG(&a, cmd) = F_SETLKW;
 147
 148                 error = copyin(SCARG(uap, arg), &oflock, sizeof oflock);
 149                 if (error != 0)
 150                         return error;
 151                 error = osf1_cvt_flock_to_native(&oflock, &nflock);
 152                 if (error != 0)
 153                         return error;
 154                 error = do_fcntl_lock(SCARG(uap, fd), SCARG(&a, cmd), &nflock);
 155                 if (SCARG(&a, cmd) != F_GETLK || error != 0)
 156                         return error;
 157                 osf1_cvt_flock_from_native(&nflock, &oflock);
 158                 return copyout(&oflock, SCARG(uap, arg), sizeof oflock);
 159
 160         case OSF1_F_RGETLK:             /* [lock mgr op] XXX not supported */
 161         case OSF1_F_RSETLK:             /* [lock mgr op] XXX not supported */
 162         case OSF1_F_CNVT:               /* [lock mgr op] XXX not supported */
 163         case OSF1_F_RSETLKW:            /* [lock mgr op] XXX not supported */
 164         case OSF1_F_PURGEFS:            /* [lock mgr op] XXX not supported */
 165         case OSF1_F_PURGENFS:           /* [DECsafe op] XXX not supported */
 166         default:
 167                 /* XXX syslog? */
 168                 return (EINVAL);
 169         }
 170         if (leftovers != 0)
 171                 return (EINVAL);
 172
 173         error = sys_fcntl(l, &a, retval);
 174
 175         if (error)
 176                 return error;
 177
 178         switch (SCARG(uap, cmd)) {
 179         case OSF1_F_GETFD:
 180                 retval[0] = emul_flags_translate(
 181                     osf1_fcntl_getsetfd_flags_rxtab, retval[0], NULL);
 182                 break;
 183
 184         case OSF1_F_GETFL:
 185                 xfl = emul_flags_translate(osf1_open_flags_rxtab,
 186                     retval[0], &leftovers);
 187                 xfl |= emul_flags_translate(osf1_fcntl_getsetfl_flags_rxtab,
 188                     leftovers, NULL);
 189                 retval[0] = xfl;
 190                 break;
 191         }
 192
 193         return error;
 194 }
 195
 196 int
 197 osf1_sys_fpathconf(struct lwp *l, const struct osf1_sys_fpathconf_args *uap, register_t *retval)
 198 {
 199         struct sys_fpathconf_args a;
 200         int error;
 201
 202         SCARG(&a, fd) = SCARG(uap, fd);
 203
 204         error = osf1_cvt_pathconf_name_to_native(SCARG(uap, name),
 205             &SCARG(&a, name));
 206
 207         if (error == 0)
 208                 error = sys_fpathconf(l, &a, retval);
 209
 210         return (error);
 211 }
 212
 213 /*
 214  * Return status information about a file descriptor.
 215  */
 216 int
 217 osf1_sys_fstat(struct lwp *l, const struct osf1_sys_fstat_args *uap, register_t *retval)
 218 {
 219         struct stat ub;
 220         struct osf1_stat oub;
 221         int error;
 222
 223         error = do_sys_fstat(SCARG(uap, fd), &ub);
 224         osf1_cvt_stat_from_native(&ub, &oub);
 225         if (error == 0)
 226                 error = copyout(&oub, SCARG(uap, sb), sizeof(oub));
 227
 228         return (error);
 229 }
 230
 231 /*
 232  * Return status information about a file descriptor.
 233  */
 234 int
 235 osf1_sys_fstat2(struct lwp *l, const struct osf1_sys_fstat2_args *uap, register_t *retval)
 236 {
 237         struct stat ub;
 238         struct osf1_stat2 oub;
 239         int error;
 240
 241         error = do_sys_fstat(SCARG(uap, fd), &ub);
 242         osf1_cvt_stat2_from_native(&ub, &oub);
 243         if (error == 0)
 244                 error = copyout(&oub, SCARG(uap, sb), sizeof(oub));
 245
 246         return (error);
 247 }
 248
 249 int
 250 osf1_sys_ftruncate(struct lwp *l, const struct osf1_sys_ftruncate_args *uap, register_t *retval)
 251 {
 252         struct sys_ftruncate_args a;
 253
 254         SCARG(&a, fd) = SCARG(uap, fd);
 255         SCARG(&a, PAD) = 0;
 256         SCARG(&a, length) = SCARG(uap, length);
 257
 258         return sys_ftruncate(l, &a, retval);
 259 }
 260
 261 int
 262 osf1_sys_lseek(struct lwp *l, const struct osf1_sys_lseek_args *uap, register_t *retval)
 263 {
 264         struct sys_lseek_args a;
 265
 266         SCARG(&a, fd) = SCARG(uap, fd);
 267         SCARG(&a, PAD) = 0;
 268         SCARG(&a, offset) = SCARG(uap, offset);
 269         SCARG(&a, whence) = SCARG(uap, whence);
 270
 271         return sys_lseek(l, &a, retval);
 272 }