1*d7c9b95fSmlarkin /* $OpenBSD: hibernate_var.h,v 1.15 2015/01/09 03:43:52 mlarkin Exp $ */ 29c01f4bfSpirofti 397cd0b13Smlarkin /* 497cd0b13Smlarkin * Copyright (c) 2011 Mike Larkin <mlarkin@openbsd.org> 597cd0b13Smlarkin * 697cd0b13Smlarkin * Permission to use, copy, modify, and distribute this software for any 797cd0b13Smlarkin * purpose with or without fee is hereby granted, provided that the above 897cd0b13Smlarkin * copyright notice and this permission notice appear in all copies. 997cd0b13Smlarkin * 1097cd0b13Smlarkin * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 1197cd0b13Smlarkin * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 1297cd0b13Smlarkin * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 1397cd0b13Smlarkin * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 1497cd0b13Smlarkin * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 1597cd0b13Smlarkin * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 1697cd0b13Smlarkin * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 1797cd0b13Smlarkin */ 1897cd0b13Smlarkin 19*d7c9b95fSmlarkin #define HIB_PD_MASK 0xffc00000 20*d7c9b95fSmlarkin #define PIGLET_PAGE_MASK (HIB_PD_MASK) 2195a70527Smlarkin 22555e6295Smlarkin #define HIBERNATE_PD_PAGE (PAGE_SIZE * 21) 23555e6295Smlarkin #define HIBERNATE_PT_PAGE (PAGE_SIZE * 22) 2471ce0f95Smlarkin /* 2 pages for stack */ 25555e6295Smlarkin #define HIBERNATE_STACK_PAGE (PAGE_SIZE * 24) 26555e6295Smlarkin #define HIBERNATE_INFLATE_PAGE (PAGE_SIZE * 25) 2771ce0f95Smlarkin /* HIBERNATE_HIBALLOC_PAGE must be the last stolen page (see machdep.c) */ 28555e6295Smlarkin #define HIBERNATE_HIBALLOC_PAGE (PAGE_SIZE * 26) 2910aaff22Smlarkin 3010aaff22Smlarkin /* Use 4MB hibernation chunks */ 3110aaff22Smlarkin #define HIBERNATE_CHUNK_SIZE 0x400000 3210aaff22Smlarkin 333a85c2afSmlarkin #define HIBERNATE_CHUNK_TABLE_SIZE 0x100000 3410aaff22Smlarkin 3597cd0b13Smlarkin #define HIBERNATE_STACK_OFFSET 0x0F00 3697cd0b13Smlarkin 3722894a92Smlarkin #define atop_4m(x) ((x) >> PDSHIFT) 3810aaff22Smlarkin #define atop_4k(x) ((x) >> PAGE_SHIFT) 3910aaff22Smlarkin #define s4pde_4m(va) ((pt_entry_t *)HIBERNATE_PD_PAGE + atop_4m(va)) 4010aaff22Smlarkin #define s4pde_4k(va) ((pt_entry_t *)HIBERNATE_PD_PAGE + atop_4k(va)) 4110aaff22Smlarkin #define s4pte_4k(va) ((pt_entry_t *)HIBERNATE_PT_PAGE + atop_4k(va)) 42