usr/src/uts/common/sys/memlist_impl.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, Version 1.0 only
   6  * (the "License").  You may not use this file except in compliance
   7  * with the License.
   8  *
   9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10  * or http://www.opensolaris.org/os/licensing.
  11  * See the License for the specific language governing permissions
  12  * and limitations under the License.
  13  *
  14  * When distributing Covered Code, include this CDDL HEADER in each
  15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16  * If applicable, add the following below this CDDL HEADER, with the
  17  * fields enclosed by brackets "[]" replaced with your own identifying
  18  * information: Portions Copyright [yyyy] [name of copyright owner]
  19  *
  20  * CDDL HEADER END
  21  */
  22 /*
  23  * Copyright (c) 1997-1998 by Sun Microsystems, Inc.
  24  * All rights reserved.
  25  */
  26
  27 #ifndef _SYS_MEMLIST_IMPL_H
  28 #define _SYS_MEMLIST_IMPL_H
  29
  30 /*
  31  * Common memlist routines.
  32  */
  33
  34 #include <sys/memlist.h>
  35
  36 #ifdef __cplusplus
  37 extern "C" {
  38 #endif
  39
  40 extern struct memlist *memlist_get_one(void);
  41 extern void memlist_free_one(struct memlist *);
  42 extern void memlist_free_list(struct memlist *);
  43 extern void memlist_free_block(caddr_t base, size_t bytes);
  44 extern void memlist_insert(struct memlist *new, struct memlist **);
  45 extern void memlist_del(struct memlist *, struct memlist **);
  46 extern struct memlist *memlist_find(struct memlist *, uint64_t address);
  47
  48 #define MEML_SPANOP_OK          0
  49 #define MEML_SPANOP_ESPAN       1
  50 #define MEML_SPANOP_EALLOC      2
  51
  52 extern int memlist_add_span(uint64_t address, uint64_t bytes,
  53         struct memlist **);
  54 extern int memlist_delete_span(uint64_t address, uint64_t bytes,
  55         struct memlist **);
  56
  57 #ifdef __cplusplus
  58 }
  59 #endif
  60
  61 #endif  /* _SYS_MEMLIST_IMPL_H */