include/sys/mmapobj.h

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21 /*
  22  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
  23  * Use is subject to license terms.
  24  */
  25
  26 #ifndef _SYS_MMAPOBJ_H
  27 #define _SYS_MMAPOBJ_H
  28
  29 #ifdef  __cplusplus
  30 extern "C" {
  31 #endif
  32
  33 /*
  34  * Number of mmapobj_result_t structures created on stack for quick allocation.
  35  * More will be manually kmem_alloc'ed if needed.
  36  * Should be enough for most ELF objects.
  37  */
  38 #define LIBVA_CACHED_SEGS 3
  39
  40 #ifdef _KERNEL
  41 extern void mmapobj_unmap(mmapobj_result_t *, int, int, ushort_t);
  42 #endif
  43
  44 extern int mmapobj(vnode_t *, uint_t, mmapobj_result_t *, uint_t *, size_t,
  45     cred_t *);
  46
  47 #ifdef  __cplusplus
  48 }
  49 #endif
  50
  51 #endif  /* _SYS_MMAPOBJ_H */