1 /* $OpenBSD: uvm_swap.h,v 1.17 2019/12/05 12:46:54 mpi 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 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 22 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 24 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 25 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * from: Id: uvm_swap.h,v 1.1.2.6 1997/12/15 05:39:31 mrg Exp 30 */ 31 32 #ifndef _UVM_UVM_SWAP_H_ 33 #define _UVM_UVM_SWAP_H_ 34 35 #define SWSLOT_BAD (-1) 36 37 #ifdef _KERNEL 38 39 int uvm_swap_get(struct vm_page *, int, int); 40 int uvm_swap_put(int, struct vm_page **, int, int); 41 int uvm_swap_alloc(int *, boolean_t); 42 void uvm_swap_free(int, int); 43 void uvm_swap_markbad(int, int); 44 void uvm_swap_freepages(struct vm_page **, int); 45 #ifdef HIBERNATE 46 int uvm_hibswap(dev_t, u_long *, u_long *); 47 #endif /* HIBERNATE */ 48 #ifdef UVM_SWAP_ENCRYPT 49 void uvm_swap_initcrypt_all(void); 50 void uvm_swap_finicrypt_all(void); 51 #endif 52 53 #endif /* _KERNEL */ 54 55 #endif /* _UVM_UVM_SWAP_H_ */ 56