1207673Sjoel/*- 2183906Skmacy * Copyright (c) 2008 Kip Macy 3183906Skmacy * All rights reserved. 4183906Skmacy * 5183906Skmacy * Redistribution and use in source and binary forms, with or without 6183906Skmacy * modification, are permitted provided that the following conditions 7183906Skmacy * are met: 8183906Skmacy * 1. Redistributions of source code must retain the above copyright 9183906Skmacy * notice, this list of conditions and the following disclaimer. 10183906Skmacy * 2. Redistributions in binary form must reproduce the above copyright 11183906Skmacy * notice, this list of conditions and the following disclaimer in the 12183906Skmacy * documentation and/or other materials provided with the distribution. 13183906Skmacy * 14207673Sjoel * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15207673Sjoel * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16207673Sjoel * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17207673Sjoel * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18207673Sjoel * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19207673Sjoel * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20207673Sjoel * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21207673Sjoel * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22207673Sjoel * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23207673Sjoel * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24207673Sjoel * SUCH DAMAGE. 25183906Skmacy * 26183906Skmacy * $FreeBSD$ 27183906Skmacy */ 28183906Skmacy#ifndef XENVAR_H_ 29183906Skmacy#define XENVAR_H_ 30183906Skmacy#define XBOOTUP 0x1 31183906Skmacy#define XPMAP 0x2 32183906Skmacyextern int xendebug_flags; 33183906Skmacy#ifndef NOXENDEBUG 34183906Skmacy#define XENPRINTF printk 35183906Skmacy#else 36183906Skmacy#define XENPRINTF printf 37183906Skmacy#endif 38185637Sdfr#include <xen/features.h> 39183906Skmacy 40183906Skmacy#if 0 41183906Skmacy#define TRACE_ENTER XENPRINTF("(file=%s, line=%d) entered %s\n", __FILE__, __LINE__, __FUNCTION__) 42183906Skmacy#define TRACE_EXIT XENPRINTF("(file=%s, line=%d) exiting %s\n", __FILE__, __LINE__, __FUNCTION__) 43183906Skmacy#define TRACE_DEBUG(argflags, _f, _a...) \ 44183906Skmacyif (xendebug_flags & argflags) XENPRINTF("(file=%s, line=%d) " _f "\n", __FILE__, __LINE__, ## _a); 45183906Skmacy#else 46183906Skmacy#define TRACE_ENTER 47183906Skmacy#define TRACE_EXIT 48183906Skmacy#define TRACE_DEBUG(argflags, _f, _a...) 49183906Skmacy#endif 50183906Skmacy 51185386Sdfr#ifdef XENHVM 52185386Sdfr 53185386Sdfrstatic inline vm_paddr_t 54185386Sdfrphystomach(vm_paddr_t pa) 55185386Sdfr{ 56185386Sdfr 57185386Sdfr return (pa); 58185386Sdfr} 59185386Sdfr 60185386Sdfrstatic inline vm_paddr_t 61185386Sdfrmachtophys(vm_paddr_t ma) 62185386Sdfr{ 63185386Sdfr 64185386Sdfr return (ma); 65185386Sdfr} 66185386Sdfr 67185386Sdfr#define vtomach(va) pmap_kextract((vm_offset_t) (va)) 68185386Sdfr#define PFNTOMFN(pa) (pa) 69189614Sdfr#define MFNTOPFN(ma) (ma) 70185386Sdfr 71185386Sdfr#define set_phys_to_machine(pfn, mfn) ((void)0) 72189699Sdfr#define phys_to_machine_mapping_valid(pfn) (TRUE) 73185386Sdfr#define PT_UPDATES_FLUSH() ((void)0) 74185386Sdfr 75185386Sdfr#else 76185386Sdfr 77185386Sdfrextern xen_pfn_t *xen_phys_machine; 78185386Sdfr 79185386Sdfr 80183906Skmacyextern xen_pfn_t *xen_machine_phys; 81183906Skmacy/* Xen starts physical pages after the 4MB ISA hole - 82183906Skmacy * FreeBSD doesn't 83183906Skmacy */ 84183906Skmacy 85183906Skmacy 86183906Skmacy#undef ADD_ISA_HOLE /* XXX */ 87183906Skmacy 88183906Skmacy#ifdef ADD_ISA_HOLE 89183906Skmacy#define ISA_INDEX_OFFSET 1024 90183906Skmacy#define ISA_PDR_OFFSET 1 91183906Skmacy#else 92183906Skmacy#define ISA_INDEX_OFFSET 0 93183906Skmacy#define ISA_PDR_OFFSET 0 94183906Skmacy#endif 95183906Skmacy 96183906Skmacy 97183906Skmacy#define PFNTOMFN(i) (xen_phys_machine[(i)]) 98183906Skmacy#define MFNTOPFN(i) ((vm_paddr_t)xen_machine_phys[(i)]) 99183906Skmacy 100183906Skmacy#define VTOP(x) ((((uintptr_t)(x))) - KERNBASE) 101183906Skmacy#define PTOV(x) (((uintptr_t)(x)) + KERNBASE) 102183906Skmacy 103183906Skmacy#define VTOPFN(x) (VTOP(x) >> PAGE_SHIFT) 104183906Skmacy#define PFNTOV(x) PTOV((vm_paddr_t)(x) << PAGE_SHIFT) 105183906Skmacy 106183906Skmacy#define VTOMFN(va) (vtomach(va) >> PAGE_SHIFT) 107183906Skmacy#define PFN_UP(x) (((x) + PAGE_SIZE-1) >> PAGE_SHIFT) 108183906Skmacy 109183906Skmacy#define phystomach(pa) (((vm_paddr_t)(PFNTOMFN((pa) >> PAGE_SHIFT))) << PAGE_SHIFT) 110183906Skmacy#define machtophys(ma) (((vm_paddr_t)(MFNTOPFN((ma) >> PAGE_SHIFT))) << PAGE_SHIFT) 111183906Skmacy 112185386Sdfr#endif 113183906Skmacy 114183906Skmacyvoid xpq_init(void); 115183906Skmacy 116183906Skmacyint xen_create_contiguous_region(vm_page_t pages, int npages); 117183906Skmacy 118183906Skmacyvoid xen_destroy_contiguous_region(void * addr, int npages); 119183906Skmacy 120183906Skmacy#endif 121