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 */