pmap.h revision 195649
1139825Simp/*- 282899Sjake * Copyright (c) 1991 Regents of the University of California. 380708Sjake * All rights reserved. 480708Sjake * 582899Sjake * This code is derived from software contributed to Berkeley by 682899Sjake * the Systems Programming Group of the University of Utah Computer 782899Sjake * Science Department and William Jolitz of UUNET Technologies Inc. 882899Sjake * 980708Sjake * Redistribution and use in source and binary forms, with or without 1080708Sjake * modification, are permitted provided that the following conditions 1180708Sjake * are met: 1280708Sjake * 1. Redistributions of source code must retain the above copyright 1380708Sjake * notice, this list of conditions and the following disclaimer. 1480708Sjake * 2. Redistributions in binary form must reproduce the above copyright 1580708Sjake * notice, this list of conditions and the following disclaimer in the 1680708Sjake * documentation and/or other materials provided with the distribution. 1782899Sjake * 4. Neither the name of the University nor the names of its contributors 1882899Sjake * may be used to endorse or promote products derived from this software 1982899Sjake * without specific prior written permission. 2080708Sjake * 2182899Sjake * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 2280708Sjake * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 2380708Sjake * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2482899Sjake * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 2580708Sjake * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2680708Sjake * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2780708Sjake * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2880708Sjake * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2980708Sjake * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 3080708Sjake * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 3180708Sjake * SUCH DAMAGE. 3280708Sjake * 3382899Sjake * from: hp300: @(#)pmap.h 7.2 (Berkeley) 12/16/90 3482899Sjake * from: @(#)pmap.h 7.4 (Berkeley) 5/12/91 3582899Sjake * from: FreeBSD: src/sys/i386/include/pmap.h,v 1.70 2000/11/30 3680708Sjake * $FreeBSD: head/sys/sparc64/include/pmap.h 195649 2009-07-12 23:31:20Z alc $ 3780708Sjake */ 3880708Sjake 3980708Sjake#ifndef _MACHINE_PMAP_H_ 4080708Sjake#define _MACHINE_PMAP_H_ 4180708Sjake 42104265Sjake#include <sys/queue.h> 43133451Salc#include <sys/_lock.h> 44133451Salc#include <sys/_mutex.h> 45112399Sjake#include <machine/cache.h> 4680709Sjake#include <machine/tte.h> 4780709Sjake 4880709Sjake#define PMAP_CONTEXT_MAX 8192 4980709Sjake 5080709Sjaketypedef struct pmap *pmap_t; 5180709Sjake 5283053Sobrienstruct md_page { 53108166Sjake TAILQ_HEAD(, tte) tte_list; 54108166Sjake struct pmap *pmap; 55108166Sjake uint32_t colors[DCACHE_COLORS]; 56108166Sjake int32_t color; 57108166Sjake uint32_t flags; 5880708Sjake}; 5980708Sjake 6083053Sobrienstruct pmap { 61133451Salc struct mtx pm_mtx; 6288651Sjake struct tte *pm_tsb; 6388651Sjake vm_object_t pm_tsb_obj; 6480709Sjake u_int pm_active; 6591288Sjake u_int pm_context[MAXCPU]; 6680709Sjake struct pmap_statistics pm_stats; 6780708Sjake}; 6880708Sjake 69133451Salc#define PMAP_LOCK(pmap) mtx_lock(&(pmap)->pm_mtx) 70133451Salc#define PMAP_LOCK_ASSERT(pmap, type) \ 71133451Salc mtx_assert(&(pmap)->pm_mtx, (type)) 72133451Salc#define PMAP_LOCK_DESTROY(pmap) mtx_destroy(&(pmap)->pm_mtx) 73133451Salc#define PMAP_LOCK_INIT(pmap) mtx_init(&(pmap)->pm_mtx, "pmap", \ 74142045Smarius NULL, MTX_DEF | MTX_DUPOK) 75133451Salc#define PMAP_LOCKED(pmap) mtx_owned(&(pmap)->pm_mtx) 76133451Salc#define PMAP_MTX(pmap) (&(pmap)->pm_mtx) 77133451Salc#define PMAP_TRYLOCK(pmap) mtx_trylock(&(pmap)->pm_mtx) 78133451Salc#define PMAP_UNLOCK(pmap) mtx_unlock(&(pmap)->pm_mtx) 79133451Salc 80195649Salc#define pmap_page_get_memattr(m) VM_MEMATTR_DEFAULT 81195649Salc#define pmap_page_set_memattr(m, ma) (void)0 82195649Salc 83195149Smariusvoid pmap_bootstrap(void); 84113238Sjakevm_paddr_t pmap_kextract(vm_offset_t va); 85113238Sjakevoid pmap_kenter(vm_offset_t va, vm_page_t m); 86112312Sjakevoid pmap_kremove(vm_offset_t); 87113238Sjakevoid pmap_kenter_flags(vm_offset_t va, vm_paddr_t pa, u_long flags); 8898813Sjakevoid pmap_kremove_flags(vm_offset_t va); 89129068Salcboolean_t pmap_page_is_mapped(vm_page_t m); 9080708Sjake 9188651Sjakeint pmap_cache_enter(vm_page_t m, vm_offset_t va); 9288651Sjakevoid pmap_cache_remove(vm_page_t m, vm_offset_t va); 9388651Sjake 9497447Sjakeint pmap_remove_tte(struct pmap *pm1, struct pmap *pm2, struct tte *tp, 9597447Sjake vm_offset_t va); 9697447Sjakeint pmap_protect_tte(struct pmap *pm1, struct pmap *pm2, struct tte *tp, 9797447Sjake vm_offset_t va); 9897447Sjake 9989041Sjakevoid pmap_map_tsb(void); 10089041Sjake 101153179Sjhb#define vtophys(va) pmap_kextract((vm_offset_t)(va)) 10284844Stmm 10388651Sjakeextern struct pmap kernel_pmap_store; 10488651Sjake#define kernel_pmap (&kernel_pmap_store) 105113238Sjakeextern vm_paddr_t phys_avail[]; 10680708Sjakeextern vm_offset_t virtual_avail; 10780708Sjakeextern vm_offset_t virtual_end; 10880708Sjake 109108700Sjake#ifdef PMAP_STATS 110108700Sjake 111108700SjakeSYSCTL_DECL(_debug_pmap_stats); 112108700Sjake 113108700Sjake#define PMAP_STATS_VAR(name) \ 114108700Sjake static long name; \ 115113171Sjake SYSCTL_LONG(_debug_pmap_stats, OID_AUTO, name, CTLFLAG_RW, \ 116108700Sjake &name, 0, "") 117108700Sjake 118108700Sjake#define PMAP_STATS_INC(var) \ 119108700Sjake atomic_add_long(&var, 1) 120108700Sjake 121108700Sjake#else 122108700Sjake 123108700Sjake#define PMAP_STATS_VAR(name) 124108700Sjake#define PMAP_STATS_INC(var) 125108700Sjake 126108700Sjake#endif 127108700Sjake 12880708Sjake#endif /* !_MACHINE_PMAP_H_ */ 129