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- //
- // Visopsys
- // Copyright (C) 1998-2007 J. Andrew McLaughlin
- //
- // This library is free software; you can redistribute it and/or modify it
- // under the terms of the GNU Lesser General Public License as published by
- // the Free Software Foundation; either version 2.1 of the License, or (at
- // your option) any later version.
- //
- // This library is distributed in the hope that it will be useful, but
- // WITHOUT ANY WARRANTY; without even the implied warranty of
- // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser
- // General Public License for more details.
- //
- // You should have received a copy of the GNU Lesser General Public License
- // along with this library; if not, write to the Free Software Foundation,
- // Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- //
- // linux-swap.h
- //
-
- // This file contains definitions and structures for using and manipulating
- // the Linux swap filesystem in Visopsys.
-
- #if !defined(_LINUXSWAP_H)
-
- #define LINUXSWAP_MAXPAGES (~0UL << 8)
-
- typedef union {
- struct {
- char reserved[MEMORY_PAGE_SIZE - 10];
- char magic[10]; // SWAP-SPACE or SWAPSPACE2
-
- } magic;
-
- struct {
- char bootbits[1024]; // Space for disk label etc.
- int version;
- unsigned lastPage;
- unsigned numBadPages;
- unsigned padding[125];
- unsigned badPages[1];
-
- } info;
-
- } __attribute__((packed)) linuxSwapHeader;
-
- #define _LINUXSWAP_H
- #endif
-