projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 15637ed4 RG |
1 | /*- |
| 2 | * Copyright (c) 1982, 1986 The Regents of the University of California. | |
| 3 | * All rights reserved. | |
| 4 | * | |
| 5 | * Redistribution and use in source and binary forms, with or without | |
| 6 | * modification, are permitted provided that the following conditions | |
| 7 | * are met: | |
| 8 | * 1. Redistributions of source code must retain the above copyright | |
| 9 | * notice, this list of conditions and the following disclaimer. | |
| 10 | * 2. Redistributions in binary form must reproduce the above copyright | |
| 11 | * notice, this list of conditions and the following disclaimer in the | |
| 12 | * documentation and/or other materials provided with the distribution. | |
| 13 | * 3. All advertising materials mentioning features or use of this software | |
| 14 | * must display the following acknowledgement: | |
| 15 | * This product includes software developed by the University of | |
| 16 | * California, Berkeley and its contributors. | |
| 17 | * 4. Neither the name of the University nor the names of its contributors | |
| 18 | * may be used to endorse or promote products derived from this software | |
| 19 | * without specific prior written permission. | |
| 20 | * | |
| 21 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
| 22 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
| 25 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
| 26 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
| 27 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
| 28 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
| 29 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
| 30 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
| 31 | * SUCH DAMAGE. | |
| 32 | * | |
| 78ed81a3 | 33 | * from: @(#)dmap.h 7.3 (Berkeley) 2/15/91 |
| 34 | * $Id$ | |
| 15637ed4 RG |
35 | */ |
| 36 | ||
| 37 | #ifndef _DMAP_H_ | |
| 38 | #define _DMAP_H_ | |
| 39 | ||
| 40 | /* | |
| 41 | * Definitions for the mapping of vitual swap space to the physical swap | |
| 42 | * area - the disk map. | |
| 43 | */ | |
| 44 | #define NDMAP 38 /* size of the swap area map */ | |
| 45 | ||
| 46 | struct dmap { | |
| 47 | swblk_t dm_size; /* current size used by process */ | |
| 48 | swblk_t dm_alloc; /* amount of physical swap space allocated */ | |
| 49 | swblk_t dm_map[NDMAP]; /* first disk block number in each chunk */ | |
| 50 | }; | |
| 51 | #ifdef KERNEL | |
| 52 | struct dmap zdmap; | |
| 53 | int dmmin, dmmax, dmtext; | |
| 54 | #endif | |
| 55 | ||
| 56 | /* The following structure is that ``returned'' from a call to vstodb(). */ | |
| 57 | struct dblock { | |
| 58 | swblk_t db_base; /* base of physical contig drum block */ | |
| 59 | swblk_t db_size; /* size of block */ | |
| 60 | }; | |
| 61 | #endif /* !_DMAP_H_ */ |