1 /* $OpenBSD: uvm_swap.h,v 1.16 2013/11/05 06:02:45 deraadt Exp $ */ 2 /* $NetBSD: uvm_swap.h,v 1.5 2000/01/11 06:57:51 chs Exp $ */ 3 4 /* 5 * Copyright (c) 1997 Matthew R. Green 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. The name of the author may not be used to endorse or promote products 17 * derived from this software without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 21 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 22 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 24 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 25 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 26 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 27 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 * 31 * from: Id: uvm_swap.h,v 1.1.2.6 1997/12/15 05:39:31 mrg Exp 32 */ 33 34 #ifndef _UVM_UVM_SWAP_H_ 35 #define _UVM_UVM_SWAP_H_ 36 37 #define SWSLOT_BAD (-1) 38 39 #ifdef _KERNEL 40 41 int uvm_swap_get(struct vm_page *, int, int); 42 int uvm_swap_put(int, struct vm_page **, int, int); 43 int uvm_swap_alloc(int *, boolean_t); 44 void uvm_swap_free(int, int); 45 void uvm_swap_markbad(int, int); 46 void uvm_swap_freepages(struct vm_page **, int); 47 #ifdef HIBERNATE 48 int uvm_hibswap(dev_t, u_long *, u_long *); 49 #endif /* HIBERNATE */ 50 #ifdef UVM_SWAP_ENCRYPT 51 void uvm_swap_initcrypt_all(void); 52 void uvm_swap_finicrypt_all(void); 53 #endif 54 55 #endif /* _KERNEL */ 56 57 #endif /* _UVM_UVM_SWAP_H_ */ 58