sys/compat/common/vm_12.c

   1 /*      $NetBSD: vm_12.c,v 1.18 2008/05/29 14:51:26 mrg Exp $   */
   2
   3 /*
   4  * Copyright (c) 1997 Matthew R. Green
   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. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
  21  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  22  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
  23  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  24  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  26  * SUCH DAMAGE.
  27  */
  28
  29 #include <sys/cdefs.h>
  30 __KERNEL_RCSID(0, "$NetBSD: vm_12.c,v 1.18 2008/05/29 14:51:26 mrg Exp $");
  31
  32 #include <sys/param.h>
  33 #include <sys/systm.h>
  34 #include <sys/mount.h>          /* needed for syscallargs.h */
  35 #include <sys/sched.h>          /* needed for syscallargs.h */
  36 #include <sys/syscallargs.h>
  37
  38 #include <sys/swap.h>
  39 #include <sys/mman.h>
  40
  41 int
  42 compat_12_sys_swapon(struct lwp *l, const struct compat_12_sys_swapon_args *uap, register_t *retval)
  43 {
  44         /* {
  45                 syscallarg(const char *) name;
  46         } */
  47         struct sys_swapctl_args ua;
  48
  49         SCARG(&ua, cmd) = SWAP_ON;
  50         /*XXXUNCONST*/
  51         SCARG(&ua, arg) = __UNCONST(SCARG(uap, name));
  52         SCARG(&ua, misc) = 0;   /* priority */
  53         return (sys_swapctl(l, &ua, retval));
  54 }
  55
  56 int
  57 compat_12_sys_msync(struct lwp *l, const struct compat_12_sys_msync_args *uap, register_t *retval)
  58 {
  59         /* {
  60                 syscallarg(void *) addr;
  61                 syscallarg(size_t) len;
  62         } */
  63         struct sys___msync13_args ua;
  64
  65         SCARG(&ua, addr) = SCARG(uap, addr);
  66         SCARG(&ua, len) = SCARG(uap, len);
  67         SCARG(&ua, flags) = MS_SYNC | MS_INVALIDATE;
  68         return (sys___msync13(l, &ua, retval));
  69 }