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: releng/10.3/sys/sparc64/include/pmap.h 253940 2013-08-04 21:17:05Z attilio $ 3780708Sjake */ 3880708Sjake 3980708Sjake#ifndef _MACHINE_PMAP_H_ 4080708Sjake#define _MACHINE_PMAP_H_ 4180708Sjake 42104265Sjake#include <sys/queue.h> 43222813Sattilio#include <sys/_cpuset.h> 44133451Salc#include <sys/_lock.h> 45133451Salc#include <sys/_mutex.h> 46236214Salc#include <sys/_rwlock.h> 47112399Sjake#include <machine/cache.h> 4880709Sjake#include <machine/tte.h> 4980709Sjake 5080709Sjake#define PMAP_CONTEXT_MAX 8192 5180709Sjake 5280709Sjaketypedef struct pmap *pmap_t; 5380709Sjake 5483053Sobrienstruct md_page { 55108166Sjake TAILQ_HEAD(, tte) tte_list; 56108166Sjake struct pmap *pmap; 57108166Sjake uint32_t colors[DCACHE_COLORS]; 58108166Sjake int32_t color; 5980708Sjake}; 6080708Sjake 6183053Sobrienstruct pmap { 62133451Salc struct mtx pm_mtx; 6388651Sjake struct tte *pm_tsb; 6488651Sjake vm_object_t pm_tsb_obj; 65222813Sattilio cpuset_t pm_active; 6691288Sjake u_int pm_context[MAXCPU]; 6780709Sjake struct pmap_statistics pm_stats; 6880708Sjake}; 6980708Sjake 70133451Salc#define PMAP_LOCK(pmap) mtx_lock(&(pmap)->pm_mtx) 71216803Smarius#define PMAP_LOCK_ASSERT(pmap, type) \ 72133451Salc mtx_assert(&(pmap)->pm_mtx, (type)) 73133451Salc#define PMAP_LOCK_DESTROY(pmap) mtx_destroy(&(pmap)->pm_mtx) 74216803Smarius#define PMAP_LOCK_INIT(pmap) mtx_init(&(pmap)->pm_mtx, "pmap", \ 75142045Smarius NULL, MTX_DEF | MTX_DUPOK) 76133451Salc#define PMAP_LOCKED(pmap) mtx_owned(&(pmap)->pm_mtx) 77133451Salc#define PMAP_MTX(pmap) (&(pmap)->pm_mtx) 78133451Salc#define PMAP_TRYLOCK(pmap) mtx_trylock(&(pmap)->pm_mtx) 79133451Salc#define PMAP_UNLOCK(pmap) mtx_unlock(&(pmap)->pm_mtx) 80133451Salc 81195649Salc#define pmap_page_get_memattr(m) VM_MEMATTR_DEFAULT 82237168Salc#define pmap_page_is_write_mapped(m) (((m)->aflags & PGA_WRITEABLE) != 0) 83195649Salc#define pmap_page_set_memattr(m, ma) (void)0 84195649Salc 85204152Smariusvoid pmap_bootstrap(u_int cpu_impl); 86113238Sjakevm_paddr_t pmap_kextract(vm_offset_t va); 87113238Sjakevoid pmap_kenter(vm_offset_t va, vm_page_t m); 88112312Sjakevoid pmap_kremove(vm_offset_t); 89113238Sjakevoid pmap_kenter_flags(vm_offset_t va, vm_paddr_t pa, u_long flags); 9098813Sjakevoid pmap_kremove_flags(vm_offset_t va); 91129068Salcboolean_t pmap_page_is_mapped(vm_page_t m); 9280708Sjake 9388651Sjakeint pmap_cache_enter(vm_page_t m, vm_offset_t va); 9488651Sjake 9597447Sjakeint pmap_remove_tte(struct pmap *pm1, struct pmap *pm2, struct tte *tp, 9697447Sjake vm_offset_t va); 9797447Sjake 9889041Sjakevoid pmap_map_tsb(void); 99216803Smariusvoid pmap_set_kctx(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) 105242534Sattilioextern struct rwlock_padalign tte_list_global_lock; 106113238Sjakeextern vm_paddr_t phys_avail[]; 10780708Sjakeextern vm_offset_t virtual_avail; 10880708Sjakeextern vm_offset_t virtual_end; 10980708Sjake 110108700Sjake#ifdef PMAP_STATS 111108700Sjake 112108700SjakeSYSCTL_DECL(_debug_pmap_stats); 113108700Sjake 114108700Sjake#define PMAP_STATS_VAR(name) \ 115108700Sjake static long name; \ 116216803Smarius SYSCTL_LONG(_debug_pmap_stats, OID_AUTO, name, CTLFLAG_RW, \ 117108700Sjake &name, 0, "") 118108700Sjake 119108700Sjake#define PMAP_STATS_INC(var) \ 120108700Sjake atomic_add_long(&var, 1) 121108700Sjake 122108700Sjake#else 123108700Sjake 124108700Sjake#define PMAP_STATS_VAR(name) 125108700Sjake#define PMAP_STATS_INC(var) 126108700Sjake 127108700Sjake#endif 128108700Sjake 12980708Sjake#endif /* !_MACHINE_PMAP_H_ */ 130