1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright 2007 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 * 25 * Copyright 2018 Joyent, Inc. 26 */ 27 28 #ifndef _SYS_PC_MMU_H 29 #define _SYS_PC_MMU_H 30 31 #ifdef __cplusplus 32 extern "C" { 33 #endif 34 35 /* 36 * Platform-dependent MMU routines and types for real x86 hardware. 37 * 38 * WARNING: this header file is used by both dboot and i86pc, so don't go using 39 * normal kernel headers. 40 */ 41 42 #define IN_HYPERVISOR_VA(va) (__lintzero) 43 44 void reload_cr3(void); 45 46 #define pa_to_ma(pa) (pa) 47 #define ma_to_pa(ma) (ma) 48 #define pfn_to_mfn(pfn) (pfn) 49 #define mfn_to_pfn(mfn) (mfn) 50 51 #ifndef _BOOT 52 53 extern uint64_t kpti_safe_cr3; 54 55 #define INVPCID_ADDR (0) 56 #define INVPCID_ID (1) 57 #define INVPCID_ALL_GLOBAL (2) 58 #define INVPCID_ALL_NONGLOBAL (3) 59 60 extern void invpcid_insn(uint64_t, uint64_t, uintptr_t); 61 extern void tr_mmu_flush_user_range(uint64_t, size_t, size_t, uint64_t); 62 63 #if defined(__GNUC__) 64 #include <asm/mmu.h> 65 #endif 66 67 #endif /* !_BOOT */ 68 69 #ifdef __cplusplus 70 } 71 #endif 72 73 #endif /* _SYS_PC_MMU_H */ 74