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Diffstat (limited to 'include/VBox/vmm/pgm.h')
| -rw-r--r-- | include/VBox/vmm/pgm.h | 1129 |
1 files changed, 1129 insertions, 0 deletions
diff --git a/include/VBox/vmm/pgm.h b/include/VBox/vmm/pgm.h new file mode 100644 index 00000000..5626b892 --- /dev/null +++ b/include/VBox/vmm/pgm.h @@ -0,0 +1,1129 @@ +/** @file + * PGM - Page Monitor / Monitor. + */ + +/* + * Copyright (C) 2006-2023 Oracle and/or its affiliates. + * + * This file is part of VirtualBox base platform packages, as + * available from https://www.virtualbox.org. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, in version 3 of the + * License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see <https://www.gnu.org/licenses>. + * + * The contents of this file may alternatively be used under the terms + * of the Common Development and Distribution License Version 1.0 + * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included + * in the VirtualBox distribution, in which case the provisions of the + * CDDL are applicable instead of those of the GPL. + * + * You may elect to license modified versions of this file under the + * terms and conditions of either the GPL or the CDDL or both. + * + * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0 + */ + +#ifndef VBOX_INCLUDED_vmm_pgm_h +#define VBOX_INCLUDED_vmm_pgm_h +#ifndef RT_WITHOUT_PRAGMA_ONCE +# pragma once +#endif + +#include <VBox/types.h> +#include <VBox/sup.h> +#include <VBox/vmm/vmapi.h> +#include <VBox/vmm/gmm.h> /* for PGMMREGISTERSHAREDMODULEREQ */ +#include <VBox/vmm/hm_vmx.h> +#include <iprt/x86.h> +#include <VBox/param.h> + +RT_C_DECLS_BEGIN + +/** @defgroup grp_pgm The Page Monitor / Manager API + * @ingroup grp_vmm + * @{ + */ + +/** + * FNPGMRELOCATE callback mode. + */ +typedef enum PGMRELOCATECALL +{ + /** The callback is for checking if the suggested address is suitable. */ + PGMRELOCATECALL_SUGGEST = 1, + /** The callback is for executing the relocation. */ + PGMRELOCATECALL_RELOCATE +} PGMRELOCATECALL; + + +/** + * Callback function which will be called when PGM is trying to find + * a new location for the mapping. + * + * The callback is called in two modes, 1) the check mode and 2) the relocate mode. + * In 1) the callback should say if it objects to a suggested new location. If it + * accepts the new location, it is called again for doing it's relocation. + * + * + * @returns true if the location is ok. + * @returns false if another location should be found. + * @param pVM The cross context VM structure. + * @param GCPtrOld The old virtual address. + * @param GCPtrNew The new virtual address. + * @param enmMode Used to indicate the callback mode. + * @param pvUser User argument. + * @remark The return value is no a failure indicator, it's an acceptance + * indicator. Relocation can not fail! + */ +typedef DECLCALLBACKTYPE(bool, FNPGMRELOCATE,(PVM pVM, RTGCPTR GCPtrOld, RTGCPTR GCPtrNew, PGMRELOCATECALL enmMode, void *pvUser)); +/** Pointer to a relocation callback function. */ +typedef FNPGMRELOCATE *PFNPGMRELOCATE; + + +/** + * Memory access origin. + */ +typedef enum PGMACCESSORIGIN +{ + /** Invalid zero value. */ + PGMACCESSORIGIN_INVALID = 0, + /** IEM is access memory. */ + PGMACCESSORIGIN_IEM, + /** HM is access memory. */ + PGMACCESSORIGIN_HM, + /** Some device is access memory. */ + PGMACCESSORIGIN_DEVICE, + /** Someone debugging is access memory. */ + PGMACCESSORIGIN_DEBUGGER, + /** SELM is access memory. */ + PGMACCESSORIGIN_SELM, + /** FTM is access memory. */ + PGMACCESSORIGIN_FTM, + /** REM is access memory. */ + PGMACCESSORIGIN_REM, + /** IOM is access memory. */ + PGMACCESSORIGIN_IOM, + /** End of valid values. */ + PGMACCESSORIGIN_END, + /** Type size hack. */ + PGMACCESSORIGIN_32BIT_HACK = 0x7fffffff +} PGMACCESSORIGIN; + + +/** + * Physical page access handler kind. + */ +typedef enum PGMPHYSHANDLERKIND +{ + /** Invalid zero value. */ + PGMPHYSHANDLERKIND_INVALID = 0, + /** MMIO range. Pages are not present, all access is done in interpreter or recompiler. */ + PGMPHYSHANDLERKIND_MMIO, + /** Handler all write access to a physical page range. */ + PGMPHYSHANDLERKIND_WRITE, + /** Handler all access to a physical page range. */ + PGMPHYSHANDLERKIND_ALL, + /** End of the valid values. */ + PGMPHYSHANDLERKIND_END, + /** Type size hack. */ + PGMPHYSHANDLERKIND_32BIT_HACK = 0x7fffffff +} PGMPHYSHANDLERKIND; + +/** + * Guest Access type + */ +typedef enum PGMACCESSTYPE +{ + /** Read access. */ + PGMACCESSTYPE_READ = 1, + /** Write access. */ + PGMACCESSTYPE_WRITE +} PGMACCESSTYPE; + + +/** @def PGM_ALL_CB_DECL + * Macro for declaring a handler callback for all contexts. The handler + * callback is static in ring-3, and exported in RC and R0. + * @sa PGM_ALL_CB2_DECL. + */ +#if defined(IN_RC) || defined(IN_RING0) +# ifdef __cplusplus +# define PGM_ALL_CB_DECL(type) extern "C" DECLCALLBACK(DECLEXPORT(type)) +# else +# define PGM_ALL_CB_DECL(type) DECLCALLBACK(DECLEXPORT(type)) +# endif +#else +# define PGM_ALL_CB_DECL(type) static DECLCALLBACK(type) +#endif + +/** @def PGM_ALL_CB2_DECL + * Macro for declaring a handler callback for all contexts. The handler + * callback is hidden in ring-3, and exported in RC and R0. + * @sa PGM_ALL_CB2_DECL. + */ +#if defined(IN_RC) || defined(IN_RING0) +# ifdef __cplusplus +# define PGM_ALL_CB2_DECL(type) extern "C" DECLCALLBACK(DECLEXPORT(type)) +# else +# define PGM_ALL_CB2_DECL(type) DECLCALLBACK(DECLEXPORT(type)) +# endif +#else +# define PGM_ALL_CB2_DECL(type) DECL_HIDDEN_CALLBACK(type) +#endif + +/** @def PGM_ALL_CB2_PROTO + * Macro for declaring a handler callback for all contexts. The handler + * callback is hidden in ring-3, and exported in RC and R0. + * @param fnType The callback function type. + * @sa PGM_ALL_CB2_DECL. + */ +#if defined(IN_RC) || defined(IN_RING0) +# ifdef __cplusplus +# define PGM_ALL_CB2_PROTO(fnType) extern "C" DECLEXPORT(fnType) +# else +# define PGM_ALL_CB2_PROTO(fnType) DECLEXPORT(fnType) +# endif +#else +# define PGM_ALL_CB2_PROTO(fnType) DECLHIDDEN(fnType) +#endif + + +/** + * \#PF Handler callback for physical access handler ranges in RC and R0. + * + * @returns Strict VBox status code (appropriate for ring-0 and raw-mode). + * @param pVM The cross context VM structure. + * @param pVCpu The cross context virtual CPU structure of the calling EMT. + * @param uErrorCode CPU Error code. + * @param pCtx Pointer to the register context for the CPU. + * @param pvFault The fault address (cr2). + * @param GCPhysFault The GC physical address corresponding to pvFault. + * @param uUser User argument (not a pointer). + * @thread EMT(pVCpu) + */ +typedef DECLCALLBACKTYPE(VBOXSTRICTRC, FNPGMRZPHYSPFHANDLER,(PVMCC pVM, PVMCPUCC pVCpu, RTGCUINT uErrorCode, PCPUMCTX pCtx, + RTGCPTR pvFault, RTGCPHYS GCPhysFault, uint64_t uUser)); +/** Pointer to PGM access callback. */ +typedef FNPGMRZPHYSPFHANDLER *PFNPGMRZPHYSPFHANDLER; + + +/** + * Access handler callback for physical access handler ranges. + * + * The handler can not raise any faults, it's mainly for monitoring write access + * to certain pages (like MMIO). + * + * @returns Strict VBox status code in ring-0 and raw-mode context, in ring-3 + * the only supported informational status code is + * VINF_PGM_HANDLER_DO_DEFAULT. + * @retval VINF_SUCCESS if the handler have carried out the operation. + * @retval VINF_PGM_HANDLER_DO_DEFAULT if the caller should carry out the + * access operation. + * @retval VINF_EM_XXX in ring-0 and raw-mode context. + * + * @param pVM The cross context VM structure. + * @param pVCpu The cross context virtual CPU structure of the calling EMT. + * @param GCPhys The physical address the guest is writing to. + * @param pvPhys The HC mapping of that address. + * @param pvBuf What the guest is reading/writing. + * @param cbBuf How much it's reading/writing. + * @param enmAccessType The access type. + * @param enmOrigin The origin of this call. + * @param uUser User argument (not a pointer). + * @thread EMT(pVCpu) + */ +typedef DECLCALLBACKTYPE(VBOXSTRICTRC, FNPGMPHYSHANDLER,(PVMCC pVM, PVMCPUCC pVCpu, RTGCPHYS GCPhys, void *pvPhys, + void *pvBuf, size_t cbBuf, PGMACCESSTYPE enmAccessType, + PGMACCESSORIGIN enmOrigin, uint64_t uUser)); +/** Pointer to PGM access callback. */ +typedef FNPGMPHYSHANDLER *PFNPGMPHYSHANDLER; + + +/** + * Paging mode. + * + * @note Part of saved state. Change with extreme care. + */ +typedef enum PGMMODE +{ + /** The usual invalid value. */ + PGMMODE_INVALID = 0, + /** Real mode. */ + PGMMODE_REAL, + /** Protected mode, no paging. */ + PGMMODE_PROTECTED, + /** 32-bit paging. */ + PGMMODE_32_BIT, + /** PAE paging. */ + PGMMODE_PAE, + /** PAE paging with NX enabled. */ + PGMMODE_PAE_NX, + /** 64-bit AMD paging (long mode). */ + PGMMODE_AMD64, + /** 64-bit AMD paging (long mode) with NX enabled. */ + PGMMODE_AMD64_NX, + /** 32-bit nested paging mode (shadow only; guest physical to host physical). */ + PGMMODE_NESTED_32BIT, + /** PAE nested paging mode (shadow only; guest physical to host physical). */ + PGMMODE_NESTED_PAE, + /** AMD64 nested paging mode (shadow only; guest physical to host physical). */ + PGMMODE_NESTED_AMD64, + /** Extended paging (Intel) mode. */ + PGMMODE_EPT, + /** Special mode used by NEM to indicate no shadow paging necessary. */ + PGMMODE_NONE, + /** The max number of modes */ + PGMMODE_MAX, + /** 32bit hackishness. */ + PGMMODE_32BIT_HACK = 0x7fffffff +} PGMMODE; + +/** + * Second level address translation (SLAT) mode. + */ +typedef enum PGMSLAT +{ + /** The usual invalid value. */ + PGMSLAT_INVALID = 0, + /** No second level translation. */ + PGMSLAT_DIRECT, + /** Intel Extended Page Tables (EPT). */ + PGMSLAT_EPT, + /** AMD-V Nested Paging 32-bit. */ + PGMSLAT_32BIT, + /** AMD-V Nested Paging PAE. */ + PGMSLAT_PAE, + /** AMD-V Nested Paging 64-bit. */ + PGMSLAT_AMD64, + /** 32bit hackishness. */ + PGMSLAT_32BIT_HACK = 0x7fffffff +} PGMSLAT; + + +/** @name PGMPTWALK::fFailed flags. + * These flags indicate the type of a page-walk failure. + * @{ + */ +typedef uint32_t PGMWALKFAIL; +/** Regular page fault (MBZ since guest Walk code don't set these explicitly). */ +#define PGM_WALKFAIL_PAGE_FAULT UINT32_C(0) +/** EPT violation - Intel. */ +#define PGM_WALKFAIL_EPT_VIOLATION RT_BIT_32(0) +/** EPT violation, convertible to \#VE exception - Intel. */ +#define PGM_WALKFAIL_EPT_VIOLATION_CONVERTIBLE RT_BIT_32(1) +/** EPT misconfiguration - Intel. */ +#define PGM_WALKFAIL_EPT_MISCONFIG RT_BIT_32(2) + +/** Mask of all EPT induced page-walk failures - Intel. */ +#define PGM_WALKFAIL_EPT ( PGM_WALKFAIL_EPT_VIOLATION \ + | PGM_WALKFAIL_EPT_VIOLATION_CONVERTIBLE \ + | PGM_WALKFAIL_EPT_MISCONFIG) +/** @} */ + + +/** @name PGMPTATTRS - PGM page-table attributes. + * + * This is VirtualBox's combined page table attributes. It combines regular page + * table and Intel EPT attributes. It's 64-bit in size so there's ample room for + * bits added in the future to EPT or regular page tables (for e.g. Protection Key). + * + * The following bits map 1:1 (shifted by PGM_PTATTRS_EPT_SHIFT) to the Intel EPT + * attributes as these are unique to EPT and fit within 64-bits despite the shift: + * - EPT_R : Read access. + * - EPT_W : Write access. + * - EPT_X_SUPER : Execute or execute for supervisor-mode linear addr access. + * - EPT_MEMTYPE : EPT memory type. + * - EPT_IGNORE_PAT: Ignore PAT memory type. + * - EPT_X_USER : Execute access for user-mode linear addresses. + * + * For regular page tables, the R bit is always 1 (same as P bit). + * For Intel EPT, the EPT_R and EPT_W bits are copied to R and W bits respectively. + * + * The following EPT attributes are mapped to the following positions because they + * exist in the regular page tables at these positions OR are exclusive to EPT and + * have been mapped to arbitrarily chosen positions: + * - EPT_A : Accessed (EPT bit 8 maps to bit 5). + * - EPT_D : Dirty (EPT bit 9 maps to bit 6). + * - EPT_SUPER_SHW_STACK : Supervisor Shadow Stack (EPT bit 60 maps to bit 24). + * - EPT_SUPPRESS_VE_XCPT: Suppress \#VE exception (EPT bit 63 maps to bit 25). + * + * Bits 12, 11:9 and 43 are deliberately kept unused (correspond to bit PS and bits + * 11:9 in the regular page-table structures and to bit 11 in the EPT structures + * respectively) as bit 12 is the page-size bit and bits 11:9 are reserved for + * use by software and we may want to use/preserve them in the future. + * + * @{ */ +typedef uint64_t PGMPTATTRS; +/** Pointer to a PGMPTATTRS type. */ +typedef PGMPTATTRS *PPGMPTATTRS; + +/** Read bit (always 1 for regular PT, copy of EPT_R for EPT). */ +#define PGM_PTATTRS_R_SHIFT 0 +#define PGM_PTATTRS_R_MASK RT_BIT_64(PGM_PTATTRS_R_SHIFT) +/** Write access bit (aka read/write bit for regular PT). */ +#define PGM_PTATTRS_W_SHIFT 1 +#define PGM_PTATTRS_W_MASK RT_BIT_64(PGM_PTATTRS_W_SHIFT) +/** User-mode access bit. */ +#define PGM_PTATTRS_US_SHIFT 2 +#define PGM_PTATTRS_US_MASK RT_BIT_64(PGM_PTATTRS_US_SHIFT) +/** Write through cache bit. */ +#define PGM_PTATTRS_PWT_SHIFT 3 +#define PGM_PTATTRS_PWT_MASK RT_BIT_64(PGM_PTATTRS_PWT_SHIFT) +/** Cache disabled bit. */ +#define PGM_PTATTRS_PCD_SHIFT 4 +#define PGM_PTATTRS_PCD_MASK RT_BIT_64(PGM_PTATTRS_PCD_SHIFT) +/** Accessed bit. */ +#define PGM_PTATTRS_A_SHIFT 5 +#define PGM_PTATTRS_A_MASK RT_BIT_64(PGM_PTATTRS_A_SHIFT) +/** Dirty bit. */ +#define PGM_PTATTRS_D_SHIFT 6 +#define PGM_PTATTRS_D_MASK RT_BIT_64(PGM_PTATTRS_D_SHIFT) +/** The PAT bit. */ +#define PGM_PTATTRS_PAT_SHIFT 7 +#define PGM_PTATTRS_PAT_MASK RT_BIT_64(PGM_PTATTRS_PAT_SHIFT) +/** The global bit. */ +#define PGM_PTATTRS_G_SHIFT 8 +#define PGM_PTATTRS_G_MASK RT_BIT_64(PGM_PTATTRS_G_SHIFT) +/** Reserved (bits 12:9) unused. */ +#define PGM_PTATTRS_RSVD_12_9_SHIFT 9 +#define PGM_PTATTRS_RSVD_12_9_MASK UINT64_C(0x0000000000001e00) +/** Read access bit - EPT only. */ +#define PGM_PTATTRS_EPT_R_SHIFT 13 +#define PGM_PTATTRS_EPT_R_MASK RT_BIT_64(PGM_PTATTRS_EPT_R_SHIFT) +/** Write access bit - EPT only. */ +#define PGM_PTATTRS_EPT_W_SHIFT 14 +#define PGM_PTATTRS_EPT_W_MASK RT_BIT_64(PGM_PTATTRS_EPT_W_SHIFT) +/** Execute or execute access for supervisor-mode linear addresses - EPT only. */ +#define PGM_PTATTRS_EPT_X_SUPER_SHIFT 15 +#define PGM_PTATTRS_EPT_X_SUPER_MASK RT_BIT_64(PGM_PTATTRS_EPT_X_SUPER_SHIFT) +/** EPT memory type - EPT only. */ +#define PGM_PTATTRS_EPT_MEMTYPE_SHIFT 16 +#define PGM_PTATTRS_EPT_MEMTYPE_MASK UINT64_C(0x0000000000070000) +/** Ignore PAT memory type - EPT only. */ +#define PGM_PTATTRS_EPT_IGNORE_PAT_SHIFT 19 +#define PGM_PTATTRS_EPT_IGNORE_PAT_MASK RT_BIT_64(PGM_PTATTRS_EPT_IGNORE_PAT_SHIFT) +/** Leaf paging entry (big or regular) - EPT only. */ +#define PGM_PTATTRS_EPT_LEAF_SHIFT 20 +#define PGM_PTATTRS_EPT_LEAF_MASK RT_BIT_64(PGM_PTATTRS_EPT_LEAF_SHIFT) +/** Accessed bit - EPT only. */ +#define PGM_PTATTRS_EPT_A_SHIFT 21 +#define PGM_PTATTRS_EPT_A_MASK RT_BIT_64(PGM_PTATTRS_EPT_A_SHIFT) +/** Dirty bit - EPT only. */ +#define PGM_PTATTRS_EPT_D_SHIFT 22 +#define PGM_PTATTRS_EPT_D_MASK RT_BIT_64(PGM_PTATTRS_EPT_D_SHIFT) +/** Execute access for user-mode linear addresses - EPT only. */ +#define PGM_PTATTRS_EPT_X_USER_SHIFT 23 +#define PGM_PTATTRS_EPT_X_USER_MASK RT_BIT_64(PGM_PTATTRS_EPT_X_USER_SHIFT) +/** Reserved (bits 29:24) - unused. */ +#define PGM_PTATTRS_RSVD_29_24_SHIFT 24 +#define PGM_PTATTRS_RSVD_29_24_MASK UINT64_C(0x000000003f000000) +/** Verify Guest Paging - EPT only. */ +#define PGM_PTATTRS_EPT_VGP_SHIFT 30 +#define PGM_PTATTRS_EPT_VGP_MASK RT_BIT_64(PGM_PTATTRS_EPT_VGP_SHIFT) +/** Paging-write - EPT only. */ +#define PGM_PTATTRS_EPT_PW_SHIFT 31 +#define PGM_PTATTRS_EPT_PW_MASK RT_BIT_64(PGM_PTATTRS_EPT_PW_SHIFT) +/** Reserved (bit 32) - unused. */ +#define PGM_PTATTRS_RSVD_32_SHIFT 32 +#define PGM_PTATTRS_RSVD_32_MASK UINT64_C(0x0000000100000000) +/** Supervisor shadow stack - EPT only. */ +#define PGM_PTATTRS_EPT_SSS_SHIFT 33 +#define PGM_PTATTRS_EPT_SSS_MASK RT_BIT_64(PGM_PTATTRS_EPT_SSS_SHIFT) +/** Sub-page write permission - EPT only. */ +#define PGM_PTATTRS_EPT_SPP_SHIFT 34 +#define PGM_PTATTRS_EPT_SPP_MASK RT_BIT_64(PGM_PTATTRS_EPT_SPP_SHIFT) +/** Reserved (bit 35) - unused. */ +#define PGM_PTATTRS_RSVD_35_SHIFT 35 +#define PGM_PTATTRS_RSVD_35_MASK UINT64_C(0x0000000800000000) +/** Suppress \#VE exception - EPT only. */ +#define PGM_PTATTRS_EPT_SVE_SHIFT 36 +#define PGM_PTATTRS_EPT_SVE_MASK RT_BIT_64(PGM_PTATTRS_EPT_SVE_SHIFT) +/** Reserved (bits 62:37) - unused. */ +#define PGM_PTATTRS_RSVD_62_37_SHIFT 37 +#define PGM_PTATTRS_RSVD_62_37_MASK UINT64_C(0x7fffffe000000000) +/** No-execute bit. */ +#define PGM_PTATTRS_NX_SHIFT 63 +#define PGM_PTATTRS_NX_MASK RT_BIT_64(PGM_PTATTRS_NX_SHIFT) + +RT_BF_ASSERT_COMPILE_CHECKS(PGM_PTATTRS_, UINT64_C(0), UINT64_MAX, + (R, W, US, PWT, PCD, A, D, PAT, G, RSVD_12_9, EPT_R, EPT_W, EPT_X_SUPER, EPT_MEMTYPE, EPT_IGNORE_PAT, + EPT_LEAF, EPT_A, EPT_D, EPT_X_USER, RSVD_29_24, EPT_VGP, EPT_PW, RSVD_32, EPT_SSS, EPT_SPP, + RSVD_35, EPT_SVE, RSVD_62_37, NX)); + +/** The bit position where the EPT specific attributes begin. */ +#define PGM_PTATTRS_EPT_SHIFT PGM_PTATTRS_EPT_R_SHIFT +/** The mask of EPT bits (bits 36:ATTR_SHIFT). In the future we might choose to + * use higher unused bits for something else, in that case adjust this mask. */ +#define PGM_PTATTRS_EPT_MASK UINT64_C(0x0000001fffffe000) + +/** The mask of all PGM page attribute bits for regular page-tables. */ +#define PGM_PTATTRS_PT_VALID_MASK ( PGM_PTATTRS_R_MASK \ + | PGM_PTATTRS_W_MASK \ + | PGM_PTATTRS_US_MASK \ + | PGM_PTATTRS_PWT_MASK \ + | PGM_PTATTRS_PCD_MASK \ + | PGM_PTATTRS_A_MASK \ + | PGM_PTATTRS_D_MASK \ + | PGM_PTATTRS_PAT_MASK \ + | PGM_PTATTRS_G_MASK \ + | PGM_PTATTRS_NX_MASK) + +/** The mask of all PGM page attribute bits for EPT. */ +#define PGM_PTATTRS_EPT_VALID_MASK ( PGM_PTATTRS_EPT_R_MASK \ + | PGM_PTATTRS_EPT_W_MASK \ + | PGM_PTATTRS_EPT_X_SUPER_MASK \ + | PGM_PTATTRS_EPT_MEMTYPE_MASK \ + | PGM_PTATTRS_EPT_IGNORE_PAT_MASK \ + | PGM_PTATTRS_EPT_LEAF_MASK \ + | PGM_PTATTRS_EPT_A_MASK \ + | PGM_PTATTRS_EPT_D_MASK \ + | PGM_PTATTRS_EPT_X_USER_MASK \ + | PGM_PTATTRS_EPT_VGP_MASK \ + | PGM_PTATTRS_EPT_PW_MASK \ + | PGM_PTATTRS_EPT_SSS_MASK \ + | PGM_PTATTRS_EPT_SPP_MASK \ + | PGM_PTATTRS_EPT_SVE_MASK) + +/* The mask of all PGM page attribute bits (combined). */ +#define PGM_PTATTRS_VALID_MASK (PGM_PTATTRS_PT_VALID_MASK | PGM_PTATTRS_EPT_VALID_MASK) + +/* Verify bits match the regular PT bits. */ +AssertCompile(PGM_PTATTRS_W_SHIFT == X86_PTE_BIT_RW); +AssertCompile(PGM_PTATTRS_US_SHIFT == X86_PTE_BIT_US); +AssertCompile(PGM_PTATTRS_PWT_SHIFT == X86_PTE_BIT_PWT); +AssertCompile(PGM_PTATTRS_PCD_SHIFT == X86_PTE_BIT_PCD); +AssertCompile(PGM_PTATTRS_A_SHIFT == X86_PTE_BIT_A); +AssertCompile(PGM_PTATTRS_D_SHIFT == X86_PTE_BIT_D); +AssertCompile(PGM_PTATTRS_PAT_SHIFT == X86_PTE_BIT_PAT); +AssertCompile(PGM_PTATTRS_G_SHIFT == X86_PTE_BIT_G); +AssertCompile(PGM_PTATTRS_W_MASK == X86_PTE_RW); +AssertCompile(PGM_PTATTRS_US_MASK == X86_PTE_US); +AssertCompile(PGM_PTATTRS_PWT_MASK == X86_PTE_PWT); +AssertCompile(PGM_PTATTRS_PCD_MASK == X86_PTE_PCD); +AssertCompile(PGM_PTATTRS_A_MASK == X86_PTE_A); +AssertCompile(PGM_PTATTRS_D_MASK == X86_PTE_D); +AssertCompile(PGM_PTATTRS_PAT_MASK == X86_PTE_PAT); +AssertCompile(PGM_PTATTRS_G_MASK == X86_PTE_G); +AssertCompile(PGM_PTATTRS_NX_MASK == X86_PTE_PAE_NX); + +/* Verify those EPT bits that must map 1:1 (after shifting). */ +AssertCompile(PGM_PTATTRS_EPT_R_SHIFT - PGM_PTATTRS_EPT_SHIFT == EPT_E_BIT_READ); +AssertCompile(PGM_PTATTRS_EPT_W_SHIFT - PGM_PTATTRS_EPT_SHIFT == EPT_E_BIT_WRITE); +AssertCompile(PGM_PTATTRS_EPT_X_SUPER_SHIFT - PGM_PTATTRS_EPT_SHIFT == EPT_E_BIT_EXECUTE); +AssertCompile(PGM_PTATTRS_EPT_IGNORE_PAT_SHIFT - PGM_PTATTRS_EPT_SHIFT == EPT_E_BIT_IGNORE_PAT); +AssertCompile(PGM_PTATTRS_EPT_X_USER_SHIFT - PGM_PTATTRS_EPT_SHIFT == EPT_E_BIT_USER_EXECUTE); +/** @} */ + + +/** + * Page table walk information. + * + * This provides extensive information regarding page faults (or EPT + * violations/misconfigurations) while traversing page tables. + */ +typedef struct PGMPTWALK +{ + /** The linear address that is being resolved (input). */ + RTGCPTR GCPtr; + + /** The second-level physical address (input/output). + * @remarks only valid if fIsSlat is set. */ + RTGCPHYS GCPhysNested; + + /** The physical address that is the result of the walk (output). */ + RTGCPHYS GCPhys; + + /** Set if the walk succeeded. */ + bool fSucceeded; + /** Whether this is a second-level address translation. */ + bool fIsSlat; + /** Whether the linear address (GCPtr) caused the second-level + * address translation. */ + bool fIsLinearAddrValid; + /** The level problem arrised at. + * PTE is level 1, PDE is level 2, PDPE is level 3, PML4 is level 4, CR3 is + * level 8. This is 0 on success. */ + uint8_t uLevel; + /** Set if the page isn't present. */ + bool fNotPresent; + /** Encountered a bad physical address. */ + bool fBadPhysAddr; + /** Set if there was reserved bit violations. */ + bool fRsvdError; + /** Set if it involves a big page (2/4 MB). */ + bool fBigPage; + /** Set if it involves a gigantic page (1 GB). */ + bool fGigantPage; + bool afPadding[3]; + /** Page-walk failure type, PGM_WALKFAIL_XXX. */ + PGMWALKFAIL fFailed; + + /** The effective page-table attributes, PGM_PTATTRS_XXX. */ + PGMPTATTRS fEffective; +} PGMPTWALK; +/** Pointer to page walk information. */ +typedef PGMPTWALK *PPGMPTWALK; +/** Pointer to const page walk information. */ +typedef PGMPTWALK const *PCPGMPTWALK; + + +/** Macro for checking if the guest is using paging. + * @param enmMode PGMMODE_*. + * @remark ASSUMES certain order of the PGMMODE_* values. + */ +#define PGMMODE_WITH_PAGING(enmMode) ((enmMode) >= PGMMODE_32_BIT) + +/** Macro for checking if it's one of the long mode modes. + * @param enmMode PGMMODE_*. + */ +#define PGMMODE_IS_LONG_MODE(enmMode) ((enmMode) == PGMMODE_AMD64_NX || (enmMode) == PGMMODE_AMD64) + +/** Macro for checking if it's one of the AMD64 nested modes. + * @param enmMode PGMMODE_*. + */ +#define PGMMODE_IS_NESTED(enmMode) ( (enmMode) == PGMMODE_NESTED_32BIT \ + || (enmMode) == PGMMODE_NESTED_PAE \ + || (enmMode) == PGMMODE_NESTED_AMD64) + +/** Macro for checking if it's one of the PAE modes. + * @param enmMode PGMMODE_*. + */ +#define PGMMODE_IS_PAE(enmMode) ( (enmMode) == PGMMODE_PAE \ + || (enmMode) == PGMMODE_PAE_NX) + +/** + * Is the ROM mapped (true) or is the shadow RAM mapped (false). + * + * @returns boolean. + * @param enmProt The PGMROMPROT value, must be valid. + */ +#define PGMROMPROT_IS_ROM(enmProt) \ + ( (enmProt) == PGMROMPROT_READ_ROM_WRITE_IGNORE \ + || (enmProt) == PGMROMPROT_READ_ROM_WRITE_RAM ) + + +VMMDECL(bool) PGMIsLockOwner(PVMCC pVM); + +VMMDECL(int) PGMRegisterStringFormatTypes(void); +VMMDECL(void) PGMDeregisterStringFormatTypes(void); +VMMDECL(RTHCPHYS) PGMGetHyperCR3(PVMCPU pVCpu); +VMMDECL(int) PGMTrap0eHandler(PVMCPUCC pVCpu, RTGCUINT uErr, PCPUMCTX pCtx, RTGCPTR pvFault); +VMMDECL(int) PGMPrefetchPage(PVMCPUCC pVCpu, RTGCPTR GCPtrPage); +VMMDECL(VBOXSTRICTRC) PGMInterpretInstruction(PVMCPUCC pVCpu, RTGCPTR pvFault); +VMMDECL(int) PGMShwGetPage(PVMCPUCC pVCpu, RTGCPTR GCPtr, uint64_t *pfFlags, PRTHCPHYS pHCPhys); +VMMDECL(int) PGMShwMakePageReadonly(PVMCPUCC pVCpu, RTGCPTR GCPtr, uint32_t fFlags); +VMMDECL(int) PGMShwMakePageWritable(PVMCPUCC pVCpu, RTGCPTR GCPtr, uint32_t fFlags); +VMMDECL(int) PGMShwMakePageNotPresent(PVMCPUCC pVCpu, RTGCPTR GCPtr, uint32_t fFlags); +/** @name Flags for PGMShwMakePageReadonly, PGMShwMakePageWritable and + * PGMShwMakePageNotPresent + * @{ */ +/** The call is from an access handler for dealing with the a faulting write + * operation. The virtual address is within the same page. */ +#define PGM_MK_PG_IS_WRITE_FAULT RT_BIT(0) +/** The page is an MMIO2. */ +#define PGM_MK_PG_IS_MMIO2 RT_BIT(1) +/** @}*/ +VMMDECL(int) PGMGstGetPage(PVMCPUCC pVCpu, RTGCPTR GCPtr, PPGMPTWALK pWalk); +VMMDECL(int) PGMGstModifyPage(PVMCPUCC pVCpu, RTGCPTR GCPtr, size_t cb, uint64_t fFlags, uint64_t fMask); +VMM_INT_DECL(bool) PGMGstArePaePdpesValid(PVMCPUCC pVCpu, PCX86PDPE paPaePdpes); +VMM_INT_DECL(int) PGMGstMapPaePdpes(PVMCPUCC pVCpu, PCX86PDPE paPaePdpes); +VMM_INT_DECL(int) PGMGstMapPaePdpesAtCr3(PVMCPUCC pVCpu, uint64_t cr3); + +VMMDECL(int) PGMInvalidatePage(PVMCPUCC pVCpu, RTGCPTR GCPtrPage); +VMMDECL(int) PGMFlushTLB(PVMCPUCC pVCpu, uint64_t cr3, bool fGlobal); +VMMDECL(int) PGMSyncCR3(PVMCPUCC pVCpu, uint64_t cr0, uint64_t cr3, uint64_t cr4, bool fGlobal); +VMMDECL(int) PGMUpdateCR3(PVMCPUCC pVCpu, uint64_t cr3); +VMMDECL(int) PGMChangeMode(PVMCPUCC pVCpu, uint64_t cr0, uint64_t cr4, uint64_t efer, bool fForce); +VMM_INT_DECL(int) PGMHCChangeMode(PVMCC pVM, PVMCPUCC pVCpu, PGMMODE enmGuestMode, bool fForce); +VMMDECL(void) PGMCr0WpEnabled(PVMCPUCC pVCpu); +VMMDECL(PGMMODE) PGMGetGuestMode(PVMCPU pVCpu); +VMMDECL(PGMMODE) PGMGetShadowMode(PVMCPU pVCpu); +VMMDECL(PGMMODE) PGMGetHostMode(PVM pVM); +VMMDECL(const char *) PGMGetModeName(PGMMODE enmMode); +#ifdef VBOX_WITH_NESTED_HWVIRT_VMX_EPT +VMM_INT_DECL(const char *) PGMGetSlatModeName(PGMSLAT enmSlatMode); +#endif +VMM_INT_DECL(RTGCPHYS) PGMGetGuestCR3Phys(PVMCPU pVCpu); +VMM_INT_DECL(void) PGMNotifyNxeChanged(PVMCPU pVCpu, bool fNxe); +VMMDECL(bool) PGMHasDirtyPages(PVM pVM); +VMM_INT_DECL(void) PGMSetGuestEptPtr(PVMCPUCC pVCpu, uint64_t uEptPtr); + +/** PGM physical access handler type registration handle (heap offset, valid + * cross contexts without needing fixing up). Callbacks and handler type is + * associated with this and it is shared by all handler registrations. */ +typedef uint64_t PGMPHYSHANDLERTYPE; +/** Pointer to a PGM physical handler type registration handle. */ +typedef PGMPHYSHANDLERTYPE *PPGMPHYSHANDLERTYPE; +/** NIL value for PGM physical access handler type handle. */ +#define NIL_PGMPHYSHANDLERTYPE UINT64_MAX +VMMDECL(int) PGMHandlerPhysicalRegister(PVMCC pVM, RTGCPHYS GCPhys, RTGCPHYS GCPhysLast, PGMPHYSHANDLERTYPE hType, + uint64_t uUser, R3PTRTYPE(const char *) pszDesc); +VMMDECL(int) PGMHandlerPhysicalModify(PVMCC pVM, RTGCPHYS GCPhysCurrent, RTGCPHYS GCPhys, RTGCPHYS GCPhysLast); +VMMDECL(int) PGMHandlerPhysicalDeregister(PVMCC pVM, RTGCPHYS GCPhys); +VMMDECL(int) PGMHandlerPhysicalChangeUserArg(PVMCC pVM, RTGCPHYS GCPhys, uint64_t uUser); +VMMDECL(int) PGMHandlerPhysicalSplit(PVMCC pVM, RTGCPHYS GCPhys, RTGCPHYS GCPhysSplit); +VMMDECL(int) PGMHandlerPhysicalJoin(PVMCC pVM, RTGCPHYS GCPhys1, RTGCPHYS GCPhys2); +VMMDECL(int) PGMHandlerPhysicalPageTempOff(PVMCC pVM, RTGCPHYS GCPhys, RTGCPHYS GCPhysPage); +VMMDECL(int) PGMHandlerPhysicalPageAliasMmio2(PVMCC pVM, RTGCPHYS GCPhys, RTGCPHYS GCPhysPage, + PPDMDEVINS pDevIns, PGMMMIO2HANDLE hMmio2, RTGCPHYS offMMio2PageRemap); +VMMDECL(int) PGMHandlerPhysicalPageAliasHC(PVMCC pVM, RTGCPHYS GCPhys, RTGCPHYS GCPhysPage, RTHCPHYS HCPhysPageRemap); +VMMDECL(int) PGMHandlerPhysicalReset(PVMCC pVM, RTGCPHYS GCPhys); +VMMDECL(bool) PGMHandlerPhysicalIsRegistered(PVMCC pVM, RTGCPHYS GCPhys); + +/** @name PGMPHYSHANDLER_F_XXX - flags for PGMR3HandlerPhysicalTypeRegister and PGMR0HandlerPhysicalTypeRegister + * @{ */ +/** Whether to hold the PGM lock while calling the handler or not. + * Mainly an optimization for PGM callers. */ +#define PGMPHYSHANDLER_F_KEEP_PGM_LOCK RT_BIT_32(0) +/** The uUser value is a ring-0 device instance index that needs translating + * into a PDMDEVINS pointer before calling the handler. This is a hack to make + * it possible to use access handlers in devices. */ +#define PGMPHYSHANDLER_F_R0_DEVINS_IDX RT_BIT_32(1) +/** Don't apply the access handler to VT-x and AMD-V. Only works with full pages. + * This is a trick for the VT-x APIC access page in nested VT-x setups. */ +#define PGMPHYSHANDLER_F_NOT_IN_HM RT_BIT_32(2) +/** Mask of valid bits. */ +#define PGMPHYSHANDLER_F_VALID_MASK UINT32_C(7) +/** @} */ + + +/** + * Page type. + * + * @remarks This enum has to fit in a 3-bit field (see PGMPAGE::u3Type). + * @remarks This is used in the saved state, so changes to it requires bumping + * the saved state version. + * @todo So, convert to \#defines! + */ +typedef enum PGMPAGETYPE +{ + /** The usual invalid zero entry. */ + PGMPAGETYPE_INVALID = 0, + /** RAM page. (RWX) */ + PGMPAGETYPE_RAM, + /** MMIO2 page. (RWX) */ + PGMPAGETYPE_MMIO2, + /** MMIO2 page aliased over an MMIO page. (RWX) + * See PGMHandlerPhysicalPageAlias(). */ + PGMPAGETYPE_MMIO2_ALIAS_MMIO, + /** Special page aliased over an MMIO page. (RWX) + * See PGMHandlerPhysicalPageAliasHC(), but this is generally only used for + * VT-x's APIC access page at the moment. Treated as MMIO by everyone except + * the shadow paging code. */ + PGMPAGETYPE_SPECIAL_ALIAS_MMIO, + /** Shadowed ROM. (RWX) */ + PGMPAGETYPE_ROM_SHADOW, + /** ROM page. (R-X) */ + PGMPAGETYPE_ROM, + /** MMIO page. (---) */ + PGMPAGETYPE_MMIO, + /** End of valid entries. */ + PGMPAGETYPE_END +} PGMPAGETYPE; +AssertCompile(PGMPAGETYPE_END == 8); + +/** @name PGM page type predicates. + * @{ */ +#define PGMPAGETYPE_IS_READABLE(a_enmType) ( (a_enmType) <= PGMPAGETYPE_ROM ) +#define PGMPAGETYPE_IS_WRITEABLE(a_enmType) ( (a_enmType) <= PGMPAGETYPE_ROM_SHADOW ) +#define PGMPAGETYPE_IS_RWX(a_enmType) ( (a_enmType) <= PGMPAGETYPE_ROM_SHADOW ) +#define PGMPAGETYPE_IS_ROX(a_enmType) ( (a_enmType) == PGMPAGETYPE_ROM ) +#define PGMPAGETYPE_IS_NP(a_enmType) ( (a_enmType) == PGMPAGETYPE_MMIO ) +/** @} */ + + +VMM_INT_DECL(PGMPAGETYPE) PGMPhysGetPageType(PVMCC pVM, RTGCPHYS GCPhys); + +VMM_INT_DECL(int) PGMPhysGCPhys2HCPhys(PVMCC pVM, RTGCPHYS GCPhys, PRTHCPHYS pHCPhys); +VMM_INT_DECL(int) PGMPhysGCPtr2HCPhys(PVMCPUCC pVCpu, RTGCPTR GCPtr, PRTHCPHYS pHCPhys); +VMM_INT_DECL(int) PGMPhysGCPhys2CCPtr(PVMCC pVM, RTGCPHYS GCPhys, void **ppv, PPGMPAGEMAPLOCK pLock); +VMM_INT_DECL(int) PGMPhysGCPhys2CCPtrReadOnly(PVMCC pVM, RTGCPHYS GCPhys, void const **ppv, PPGMPAGEMAPLOCK pLock); +VMM_INT_DECL(int) PGMPhysGCPtr2CCPtr(PVMCPU pVCpu, RTGCPTR GCPtr, void **ppv, PPGMPAGEMAPLOCK pLock); +VMM_INT_DECL(int) PGMPhysGCPtr2CCPtrReadOnly(PVMCPUCC pVCpu, RTGCPTR GCPtr, void const **ppv, PPGMPAGEMAPLOCK pLock); + +VMMDECL(bool) PGMPhysIsA20Enabled(PVMCPU pVCpu); +VMMDECL(bool) PGMPhysIsGCPhysValid(PVMCC pVM, RTGCPHYS GCPhys); +VMMDECL(bool) PGMPhysIsGCPhysNormal(PVMCC pVM, RTGCPHYS GCPhys); +VMMDECL(int) PGMPhysGCPtr2GCPhys(PVMCPUCC pVCpu, RTGCPTR GCPtr, PRTGCPHYS pGCPhys); +VMMDECL(void) PGMPhysReleasePageMappingLock(PVMCC pVM, PPGMPAGEMAPLOCK pLock); +VMMDECL(void) PGMPhysBulkReleasePageMappingLocks(PVMCC pVM, uint32_t cPages, PPGMPAGEMAPLOCK paLock); + +/** @def PGM_PHYS_RW_IS_SUCCESS + * Check whether a PGMPhysRead, PGMPhysWrite, PGMPhysReadGCPtr or + * PGMPhysWriteGCPtr call completed the given task. + * + * @returns true if completed, false if not. + * @param a_rcStrict The status code. + * @sa IOM_SUCCESS + */ +#ifdef IN_RING3 +# define PGM_PHYS_RW_IS_SUCCESS(a_rcStrict) \ + ( (a_rcStrict) == VINF_SUCCESS \ + || (a_rcStrict) == VINF_EM_DBG_STOP \ + || (a_rcStrict) == VINF_EM_DBG_EVENT \ + || (a_rcStrict) == VINF_EM_DBG_BREAKPOINT \ + ) +#elif defined(IN_RING0) +# define PGM_PHYS_RW_IS_SUCCESS(a_rcStrict) \ + ( (a_rcStrict) == VINF_SUCCESS \ + || (a_rcStrict) == VINF_IOM_R3_MMIO_COMMIT_WRITE \ + || (a_rcStrict) == VINF_EM_OFF \ + || (a_rcStrict) == VINF_EM_SUSPEND \ + || (a_rcStrict) == VINF_EM_RESET \ + || (a_rcStrict) == VINF_EM_HALT \ + || (a_rcStrict) == VINF_EM_DBG_STOP \ + || (a_rcStrict) == VINF_EM_DBG_EVENT \ + || (a_rcStrict) == VINF_EM_DBG_BREAKPOINT \ + ) +#elif defined(IN_RC) +# define PGM_PHYS_RW_IS_SUCCESS(a_rcStrict) \ + ( (a_rcStrict) == VINF_SUCCESS \ + || (a_rcStrict) == VINF_IOM_R3_MMIO_COMMIT_WRITE \ + || (a_rcStrict) == VINF_EM_OFF \ + || (a_rcStrict) == VINF_EM_SUSPEND \ + || (a_rcStrict) == VINF_EM_RESET \ + || (a_rcStrict) == VINF_EM_HALT \ + || (a_rcStrict) == VINF_SELM_SYNC_GDT \ + || (a_rcStrict) == VINF_EM_RAW_EMULATE_INSTR_GDT_FAULT \ + || (a_rcStrict) == VINF_EM_DBG_STOP \ + || (a_rcStrict) == VINF_EM_DBG_EVENT \ + || (a_rcStrict) == VINF_EM_DBG_BREAKPOINT \ + ) +#endif +/** @def PGM_PHYS_RW_DO_UPDATE_STRICT_RC + * Updates the return code with a new result. + * + * Both status codes must be successes according to PGM_PHYS_RW_IS_SUCCESS. + * + * @param a_rcStrict The current return code, to be updated. + * @param a_rcStrict2 The new return code to merge in. + */ +#ifdef IN_RING3 +# define PGM_PHYS_RW_DO_UPDATE_STRICT_RC(a_rcStrict, a_rcStrict2) \ + do { \ + Assert(rcStrict == VINF_SUCCESS); \ + Assert(rcStrict2 == VINF_SUCCESS); \ + } while (0) +#elif defined(IN_RING0) +# define PGM_PHYS_RW_DO_UPDATE_STRICT_RC(a_rcStrict, a_rcStrict2) \ + do { \ + Assert(PGM_PHYS_RW_IS_SUCCESS(rcStrict)); \ + Assert(PGM_PHYS_RW_IS_SUCCESS(rcStrict2)); \ + AssertCompile(VINF_IOM_R3_MMIO_COMMIT_WRITE > VINF_EM_LAST); \ + if ((a_rcStrict2) == VINF_SUCCESS || (a_rcStrict) == (a_rcStrict2)) \ + { /* likely */ } \ + else if ( (a_rcStrict) == VINF_SUCCESS \ + || (a_rcStrict) > (a_rcStrict2)) \ + (a_rcStrict) = (a_rcStrict2); \ + } while (0) +#elif defined(IN_RC) +# define PGM_PHYS_RW_DO_UPDATE_STRICT_RC(a_rcStrict, a_rcStrict2) \ + do { \ + Assert(PGM_PHYS_RW_IS_SUCCESS(rcStrict)); \ + Assert(PGM_PHYS_RW_IS_SUCCESS(rcStrict2)); \ + AssertCompile(VINF_SELM_SYNC_GDT > VINF_EM_LAST); \ + AssertCompile(VINF_EM_RAW_EMULATE_INSTR_GDT_FAULT > VINF_EM_LAST); \ + AssertCompile(VINF_EM_RAW_EMULATE_INSTR_GDT_FAULT < VINF_SELM_SYNC_GDT); \ + AssertCompile(VINF_IOM_R3_MMIO_COMMIT_WRITE > VINF_EM_LAST); \ + AssertCompile(VINF_IOM_R3_MMIO_COMMIT_WRITE > VINF_SELM_SYNC_GDT); \ + AssertCompile(VINF_IOM_R3_MMIO_COMMIT_WRITE > VINF_EM_RAW_EMULATE_INSTR_GDT_FAULT); \ + if ((a_rcStrict2) == VINF_SUCCESS || (a_rcStrict) == (a_rcStrict2)) \ + { /* likely */ } \ + else if ((a_rcStrict) == VINF_SUCCESS) \ + (a_rcStrict) = (a_rcStrict2); \ + else if ( ( (a_rcStrict) > (a_rcStrict2) \ + && ( (a_rcStrict2) <= VINF_EM_RESET \ + || (a_rcStrict) != VINF_EM_RAW_EMULATE_INSTR_GDT_FAULT) ) \ + || ( (a_rcStrict2) == VINF_EM_RAW_EMULATE_INSTR_GDT_FAULT \ + && (a_rcStrict) > VINF_EM_RESET) ) \ + (a_rcStrict) = (a_rcStrict2); \ + } while (0) +#endif + +VMMDECL(VBOXSTRICTRC) PGMPhysRead(PVMCC pVM, RTGCPHYS GCPhys, void *pvBuf, size_t cbRead, PGMACCESSORIGIN enmOrigin); +VMMDECL(VBOXSTRICTRC) PGMPhysWrite(PVMCC pVM, RTGCPHYS GCPhys, const void *pvBuf, size_t cbWrite, PGMACCESSORIGIN enmOrigin); +VMMDECL(VBOXSTRICTRC) PGMPhysReadGCPtr(PVMCPUCC pVCpu, void *pvDst, RTGCPTR GCPtrSrc, size_t cb, PGMACCESSORIGIN enmOrigin); +VMMDECL(VBOXSTRICTRC) PGMPhysWriteGCPtr(PVMCPUCC pVCpu, RTGCPTR GCPtrDst, const void *pvSrc, size_t cb, PGMACCESSORIGIN enmOrigin); + +VMMDECL(int) PGMPhysSimpleReadGCPhys(PVMCC pVM, void *pvDst, RTGCPHYS GCPhysSrc, size_t cb); +VMMDECL(int) PGMPhysSimpleWriteGCPhys(PVMCC pVM, RTGCPHYS GCPhysDst, const void *pvSrc, size_t cb); +VMMDECL(int) PGMPhysSimpleReadGCPtr(PVMCPUCC pVCpu, void *pvDst, RTGCPTR GCPtrSrc, size_t cb); +VMMDECL(int) PGMPhysSimpleWriteGCPtr(PVMCPUCC pVCpu, RTGCPTR GCPtrDst, const void *pvSrc, size_t cb); +VMMDECL(int) PGMPhysSimpleDirtyWriteGCPtr(PVMCPUCC pVCpu, RTGCPTR GCPtrDst, const void *pvSrc, size_t cb); + +VMM_INT_DECL(int) PGMPhysIemGCPhys2Ptr(PVMCC pVM, PVMCPUCC pVCpu, RTGCPHYS GCPhys, bool fWritable, bool fByPassHandlers, void **ppv, PPGMPAGEMAPLOCK pLock); +VMM_INT_DECL(int) PGMPhysIemQueryAccess(PVMCC pVM, RTGCPHYS GCPhys, bool fWritable, bool fByPassHandlers); +VMM_INT_DECL(int) PGMPhysIemGCPhys2PtrNoLock(PVMCC pVM, PVMCPUCC pVCpu, RTGCPHYS GCPhys, uint64_t const volatile *puTlbPhysRev, +#if defined(IN_RC) + R3PTRTYPE(uint8_t *) *ppb, +#else + R3R0PTRTYPE(uint8_t *) *ppb, +#endif + uint64_t *pfTlb); +/** @name Flags returned by PGMPhysIemGCPhys2PtrNoLock + * @{ */ +#define PGMIEMGCPHYS2PTR_F_NO_WRITE RT_BIT_32(3) /**< Not writable (IEMTLBE_F_PG_NO_WRITE). */ +#define PGMIEMGCPHYS2PTR_F_NO_READ RT_BIT_32(4) /**< Not readable (IEMTLBE_F_PG_NO_READ). */ +#define PGMIEMGCPHYS2PTR_F_NO_MAPPINGR3 RT_BIT_32(7) /**< No ring-3 mapping (IEMTLBE_F_NO_MAPPINGR3). */ +#define PGMIEMGCPHYS2PTR_F_UNASSIGNED RT_BIT_32(8) /**< Unassgined memory (IEMTLBE_F_PG_UNASSIGNED). */ +/** @} */ + +/** Information returned by PGMPhysNemQueryPageInfo. */ +typedef struct PGMPHYSNEMPAGEINFO +{ + /** The host physical address of the page, NIL_HCPHYS if invalid page. */ + RTHCPHYS HCPhys; + /** The NEM access mode for the page, NEM_PAGE_PROT_XXX */ + uint32_t fNemProt : 8; + /** The NEM state associated with the PAGE. */ + uint32_t u2NemState : 2; + /** The NEM state associated with the PAGE before pgmPhysPageMakeWritable was called. */ + uint32_t u2OldNemState : 2; + /** Set if the page has handler. */ + uint32_t fHasHandlers : 1; + /** Set if is the zero page backing it. */ + uint32_t fZeroPage : 1; + /** Set if the page has handler. */ + PGMPAGETYPE enmType; +} PGMPHYSNEMPAGEINFO; +/** Pointer to page information for NEM. */ +typedef PGMPHYSNEMPAGEINFO *PPGMPHYSNEMPAGEINFO; +/** + * Callback for checking that the page is in sync while under the PGM lock. + * + * NEM passes this callback to PGMPhysNemQueryPageInfo to check that the page is + * in-sync between PGM and the native hypervisor API in an atomic fashion. + * + * @returns VBox status code. + * @param pVM The cross context VM structure. + * @param pVCpu The cross context per virtual CPU structure. Optional, + * see PGMPhysNemQueryPageInfo. + * @param GCPhys The guest physical address (not A20 masked). + * @param pInfo The page info structure. This function updates the + * u2NemState memory and the caller will update the PGMPAGE + * copy accordingly. + * @param pvUser Callback user argument. + */ +typedef DECLCALLBACKTYPE(int, FNPGMPHYSNEMCHECKPAGE,(PVMCC pVM, PVMCPUCC pVCpu, RTGCPHYS GCPhys, PPGMPHYSNEMPAGEINFO pInfo, void *pvUser)); +/** Pointer to a FNPGMPHYSNEMCHECKPAGE function. */ +typedef FNPGMPHYSNEMCHECKPAGE *PFNPGMPHYSNEMCHECKPAGE; + +VMM_INT_DECL(int) PGMPhysNemPageInfoChecker(PVMCC pVM, PVMCPUCC pVCpu, RTGCPHYS GCPhys, bool fMakeWritable, + PPGMPHYSNEMPAGEINFO pInfo, PFNPGMPHYSNEMCHECKPAGE pfnChecker, void *pvUser); + +/** + * Callback for use with PGMPhysNemEnumPagesByState. + * @returns VBox status code. + * Failure status will stop enumeration immediately and return. + * @param pVM The cross context VM structure. + * @param pVCpu The cross context per virtual CPU structure. Optional, + * see PGMPhysNemEnumPagesByState. + * @param GCPhys The guest physical address (not A20 masked). + * @param pu2NemState Pointer to variable with the NEM state. This can be + * update. + * @param pvUser The user argument. + */ +typedef DECLCALLBACKTYPE(int, FNPGMPHYSNEMENUMCALLBACK,(PVMCC pVM, PVMCPUCC pVCpu, RTGCPHYS GCPhys, + uint8_t *pu2NemState, void *pvUser)); +/** Pointer to a FNPGMPHYSNEMENUMCALLBACK function. */ +typedef FNPGMPHYSNEMENUMCALLBACK *PFNPGMPHYSNEMENUMCALLBACK; +VMM_INT_DECL(int) PGMPhysNemEnumPagesByState(PVMCC pVM, PVMCPUCC VCpu, uint8_t uMinState, + PFNPGMPHYSNEMENUMCALLBACK pfnCallback, void *pvUser); + + +#ifdef VBOX_STRICT +VMMDECL(unsigned) PGMAssertHandlerAndFlagsInSync(PVMCC pVM); +VMMDECL(unsigned) PGMAssertNoMappingConflicts(PVM pVM); +VMMDECL(unsigned) PGMAssertCR3(PVMCC pVM, PVMCPUCC pVCpu, uint64_t cr3, uint64_t cr4); +#endif /* VBOX_STRICT */ + +VMMDECL(int) PGMSetLargePageUsage(PVMCC pVM, bool fUseLargePages); + +/** + * Query large page usage state + * + * @returns 0 - disabled, 1 - enabled + * @param pVM The cross context VM structure. + */ +#define PGMIsUsingLargePages(pVM) ((pVM)->pgm.s.fUseLargePages) + + +#ifdef IN_RING0 +/** @defgroup grp_pgm_r0 The PGM Host Context Ring-0 API + * @{ + */ +VMMR0_INT_DECL(int) PGMR0InitPerVMData(PGVM pGVM, RTR0MEMOBJ hMemObj); +VMMR0_INT_DECL(int) PGMR0InitVM(PGVM pGVM); +VMMR0_INT_DECL(void) PGMR0DoneInitVM(PGVM pGVM); +VMMR0_INT_DECL(void) PGMR0CleanupVM(PGVM pGVM); +VMMR0_INT_DECL(int) PGMR0PhysAllocateHandyPages(PGVM pGVM, VMCPUID idCpu); +VMMR0_INT_DECL(int) PGMR0PhysFlushHandyPages(PGVM pGVM, VMCPUID idCpu); +VMMR0_INT_DECL(int) PGMR0PhysAllocateLargePage(PGVM pGVM, VMCPUID idCpu, RTGCPHYS GCPhys); +VMMR0_INT_DECL(int) PGMR0PhysMMIO2MapKernel(PGVM pGVM, PPDMDEVINS pDevIns, PGMMMIO2HANDLE hMmio2, + size_t offSub, size_t cbSub, void **ppvMapping); +VMMR0_INT_DECL(int) PGMR0PhysSetupIoMmu(PGVM pGVM); +VMMR0_INT_DECL(int) PGMR0PhysHandlerInitReqHandler(PGVM pGVM, uint32_t cEntries); +VMMR0_INT_DECL(int) PGMR0HandlerPhysicalTypeSetUpContext(PGVM pGVM, PGMPHYSHANDLERKIND enmKind, uint32_t fFlags, + PFNPGMPHYSHANDLER pfnHandler, PFNPGMRZPHYSPFHANDLER pfnPfHandler, + const char *pszDesc, PGMPHYSHANDLERTYPE hType); + +VMMR0DECL(int) PGMR0SharedModuleCheck(PVMCC pVM, PGVM pGVM, VMCPUID idCpu, PGMMSHAREDMODULE pModule, + PCRTGCPTR64 paRegionsGCPtrs); +VMMR0DECL(int) PGMR0Trap0eHandlerNestedPaging(PGVM pGVM, PGVMCPU pGVCpu, PGMMODE enmShwPagingMode, RTGCUINT uErr, + PCPUMCTX pCtx, RTGCPHYS pvFault); +VMMR0DECL(VBOXSTRICTRC) PGMR0Trap0eHandlerNPMisconfig(PGVM pGVM, PGVMCPU pGVCpu, PGMMODE enmShwPagingMode, + PCPUMCTX pCtx, RTGCPHYS GCPhysFault, uint32_t uErr); +VMMR0_INT_DECL(int) PGMR0PoolGrow(PGVM pGVM, VMCPUID idCpu); + +# ifdef VBOX_WITH_NESTED_HWVIRT_VMX_EPT +VMMR0DECL(VBOXSTRICTRC) PGMR0NestedTrap0eHandlerNestedPaging(PGVMCPU pGVCpu, PGMMODE enmShwPagingMode, RTGCUINT uErr, + PCPUMCTX pCtx, RTGCPHYS GCPhysNestedFault, + bool fIsLinearAddrValid, RTGCPTR GCPtrNestedFault, PPGMPTWALK pWalk); +# endif +/** @} */ +#endif /* IN_RING0 */ + + + +#ifdef IN_RING3 +/** @defgroup grp_pgm_r3 The PGM Host Context Ring-3 API + * @{ + */ +VMMR3_INT_DECL(void) PGMR3EnableNemMode(PVM pVM); +VMMR3_INT_DECL(bool) PGMR3IsNemModeEnabled(PVM pVM); +VMMR3DECL(int) PGMR3Init(PVM pVM); +VMMR3DECL(int) PGMR3InitFinalize(PVM pVM); +VMMR3_INT_DECL(int) PGMR3InitCompleted(PVM pVM, VMINITCOMPLETED enmWhat); +VMMR3DECL(void) PGMR3Relocate(PVM pVM, RTGCINTPTR offDelta); +VMMR3DECL(void) PGMR3ResetCpu(PVM pVM, PVMCPU pVCpu); +VMMR3_INT_DECL(void) PGMR3Reset(PVM pVM); +VMMR3_INT_DECL(void) PGMR3ResetNoMorePhysWritesFlag(PVM pVM); +VMMR3_INT_DECL(void) PGMR3MemSetup(PVM pVM, bool fReset); +VMMR3DECL(int) PGMR3Term(PVM pVM); + +VMMR3DECL(int) PGMR3PhysRegisterRam(PVM pVM, RTGCPHYS GCPhys, RTGCPHYS cb, const char *pszDesc); +VMMR3DECL(int) PGMR3PhysChangeMemBalloon(PVM pVM, bool fInflate, unsigned cPages, RTGCPHYS *paPhysPage); +VMMR3DECL(int) PGMR3PhysWriteProtectRAM(PVM pVM); +VMMR3DECL(uint32_t) PGMR3PhysGetRamRangeCount(PVM pVM); +VMMR3DECL(int) PGMR3PhysGetRange(PVM pVM, uint32_t iRange, PRTGCPHYS pGCPhysStart, PRTGCPHYS pGCPhysLast, + const char **ppszDesc, bool *pfIsMmio); +VMMR3DECL(int) PGMR3QueryMemoryStats(PUVM pUVM, uint64_t *pcbTotalMem, uint64_t *pcbPrivateMem, uint64_t *pcbSharedMem, uint64_t *pcbZeroMem); +VMMR3DECL(int) PGMR3QueryGlobalMemoryStats(PUVM pUVM, uint64_t *pcbAllocMem, uint64_t *pcbFreeMem, uint64_t *pcbBallonedMem, uint64_t *pcbSharedMem); + +VMMR3DECL(int) PGMR3PhysMMIORegister(PVM pVM, RTGCPHYS GCPhys, RTGCPHYS cb, PGMPHYSHANDLERTYPE hType, + uint64_t uUser, const char *pszDesc); +VMMR3DECL(int) PGMR3PhysMMIODeregister(PVM pVM, RTGCPHYS GCPhys, RTGCPHYS cb); + +/** @name PGMPHYS_MMIO2_FLAGS_XXX - MMIO2 registration flags. + * @see PGMR3PhysMmio2Register, PDMDevHlpMmio2Create + * @{ */ +/** Track dirty pages. + * @see PGMR3PhysMmio2QueryAndResetDirtyBitmap(), PGMR3PhysMmio2ControlDirtyPageTracking(). */ +#define PGMPHYS_MMIO2_FLAGS_TRACK_DIRTY_PAGES RT_BIT_32(0) +/** Valid flags. */ +#define PGMPHYS_MMIO2_FLAGS_VALID_MASK UINT32_C(0x00000001) +/** @} */ + +VMMR3_INT_DECL(int) PGMR3PhysMmio2Register(PVM pVM, PPDMDEVINS pDevIns, uint32_t iSubDev, uint32_t iRegion, RTGCPHYS cb, + uint32_t fFlags, const char *pszDesc, void **ppv, PGMMMIO2HANDLE *phRegion); +VMMR3_INT_DECL(int) PGMR3PhysMmio2Deregister(PVM pVM, PPDMDEVINS pDevIns, PGMMMIO2HANDLE hMmio2); +VMMR3_INT_DECL(int) PGMR3PhysMmio2Map(PVM pVM, PPDMDEVINS pDevIns, PGMMMIO2HANDLE hMmio2, RTGCPHYS GCPhys); +VMMR3_INT_DECL(int) PGMR3PhysMmio2Unmap(PVM pVM, PPDMDEVINS pDevIns, PGMMMIO2HANDLE hMmio2, RTGCPHYS GCPhys); +VMMR3_INT_DECL(int) PGMR3PhysMmio2Reduce(PVM pVM, PPDMDEVINS pDevIns, PGMMMIO2HANDLE hMmio2, RTGCPHYS cbRegion); +VMMR3_INT_DECL(int) PGMR3PhysMmio2ValidateHandle(PVM pVM, PPDMDEVINS pDevIns, PGMMMIO2HANDLE hMmio2); +VMMR3_INT_DECL(RTGCPHYS) PGMR3PhysMmio2GetMappingAddress(PVM pVM, PPDMDEVINS pDevIns, PGMMMIO2HANDLE hMmio2); +VMMR3_INT_DECL(int) PGMR3PhysMmio2ChangeRegionNo(PVM pVM, PPDMDEVINS pDevIns, PGMMMIO2HANDLE hMmio2, uint32_t iNewRegion); +VMMR3_INT_DECL(int) PGMR3PhysMmio2QueryAndResetDirtyBitmap(PVM pVM, PPDMDEVINS pDevIns, PGMMMIO2HANDLE hMmio2, + void *pvBitmap, size_t cbBitmap); +VMMR3_INT_DECL(int) PGMR3PhysMmio2ControlDirtyPageTracking(PVM pVM, PPDMDEVINS pDevIns, PGMMMIO2HANDLE hMmio2, bool fEnabled); + +/** @name PGMPHYS_ROM_FLAGS_XXX - ROM registration flags. + * @see PGMR3PhysRegisterRom, PDMDevHlpROMRegister + * @{ */ +/** Inidicates that ROM shadowing should be enabled. */ +#define PGMPHYS_ROM_FLAGS_SHADOWED UINT8_C(0x01) +/** Indicates that what pvBinary points to won't go away + * and can be used for strictness checks. */ +#define PGMPHYS_ROM_FLAGS_PERMANENT_BINARY UINT8_C(0x02) +/** Indicates that the ROM is allowed to be missing from saved state. + * @note This is a hack for EFI, see @bugref{6940} */ +#define PGMPHYS_ROM_FLAGS_MAYBE_MISSING_FROM_STATE UINT8_C(0x04) +/** Valid flags. */ +#define PGMPHYS_ROM_FLAGS_VALID_MASK UINT8_C(0x07) +/** @} */ + +VMMR3DECL(int) PGMR3PhysRomRegister(PVM pVM, PPDMDEVINS pDevIns, RTGCPHYS GCPhys, RTGCPHYS cb, + const void *pvBinary, uint32_t cbBinary, uint8_t fFlags, const char *pszDesc); +VMMR3DECL(int) PGMR3PhysRomProtect(PVM pVM, RTGCPHYS GCPhys, RTGCPHYS cb, PGMROMPROT enmProt); +VMMDECL(void) PGMR3PhysSetA20(PVMCPU pVCpu, bool fEnable); + +VMMR3_INT_DECL(int) PGMR3HandlerPhysicalTypeRegister(PVM pVM, PGMPHYSHANDLERKIND enmKind, uint32_t fFlags, + PFNPGMPHYSHANDLER pfnHandlerR3, const char *pszDesc, + PPGMPHYSHANDLERTYPE phType); + +VMMR3_INT_DECL(int) PGMR3PoolGrow(PVM pVM, PVMCPU pVCpu); + +VMMR3DECL(int) PGMR3PhysTlbGCPhys2Ptr(PVM pVM, RTGCPHYS GCPhys, bool fWritable, void **ppv); +VMMR3DECL(uint8_t) PGMR3PhysReadU8(PVM pVM, RTGCPHYS GCPhys, PGMACCESSORIGIN enmOrigin); +VMMR3DECL(uint16_t) PGMR3PhysReadU16(PVM pVM, RTGCPHYS GCPhys, PGMACCESSORIGIN enmOrigin); +VMMR3DECL(uint32_t) PGMR3PhysReadU32(PVM pVM, RTGCPHYS GCPhys, PGMACCESSORIGIN enmOrigin); +VMMR3DECL(uint64_t) PGMR3PhysReadU64(PVM pVM, RTGCPHYS GCPhys, PGMACCESSORIGIN enmOrigin); +VMMR3DECL(void) PGMR3PhysWriteU8(PVM pVM, RTGCPHYS GCPhys, uint8_t Value, PGMACCESSORIGIN enmOrigin); +VMMR3DECL(void) PGMR3PhysWriteU16(PVM pVM, RTGCPHYS GCPhys, uint16_t Value, PGMACCESSORIGIN enmOrigin); +VMMR3DECL(void) PGMR3PhysWriteU32(PVM pVM, RTGCPHYS GCPhys, uint32_t Value, PGMACCESSORIGIN enmOrigin); +VMMR3DECL(void) PGMR3PhysWriteU64(PVM pVM, RTGCPHYS GCPhys, uint64_t Value, PGMACCESSORIGIN enmOrigin); +VMMR3DECL(int) PGMR3PhysReadExternal(PVM pVM, RTGCPHYS GCPhys, void *pvBuf, size_t cbRead, PGMACCESSORIGIN enmOrigin); +VMMR3DECL(int) PGMR3PhysWriteExternal(PVM pVM, RTGCPHYS GCPhys, const void *pvBuf, size_t cbWrite, PGMACCESSORIGIN enmOrigin); +VMMR3DECL(int) PGMR3PhysGCPhys2CCPtrExternal(PVM pVM, RTGCPHYS GCPhys, void **ppv, PPGMPAGEMAPLOCK pLock); +VMMR3DECL(int) PGMR3PhysGCPhys2CCPtrReadOnlyExternal(PVM pVM, RTGCPHYS GCPhys, void const **ppv, PPGMPAGEMAPLOCK pLock); +VMMR3DECL(int) PGMR3PhysBulkGCPhys2CCPtrExternal(PVM pVM, uint32_t cPages, PCRTGCPHYS paGCPhysPages, + void **papvPages, PPGMPAGEMAPLOCK paLocks); +VMMR3DECL(int) PGMR3PhysBulkGCPhys2CCPtrReadOnlyExternal(PVM pVM, uint32_t cPages, PCRTGCPHYS paGCPhysPages, + void const **papvPages, PPGMPAGEMAPLOCK paLocks); +VMMR3DECL(void) PGMR3PhysChunkInvalidateTLB(PVM pVM); +VMMR3DECL(int) PGMR3PhysAllocateHandyPages(PVM pVM); + +VMMR3DECL(int) PGMR3CheckIntegrity(PVM pVM); + +VMMR3DECL(int) PGMR3DbgR3Ptr2GCPhys(PUVM pUVM, RTR3PTR R3Ptr, PRTGCPHYS pGCPhys); +VMMR3DECL(int) PGMR3DbgR3Ptr2HCPhys(PUVM pUVM, RTR3PTR R3Ptr, PRTHCPHYS pHCPhys); +VMMR3DECL(int) PGMR3DbgHCPhys2GCPhys(PUVM pUVM, RTHCPHYS HCPhys, PRTGCPHYS pGCPhys); +VMMR3_INT_DECL(int) PGMR3DbgReadGCPhys(PVM pVM, void *pvDst, RTGCPHYS GCPhysSrc, size_t cb, uint32_t fFlags, size_t *pcbRead); +VMMR3_INT_DECL(int) PGMR3DbgWriteGCPhys(PVM pVM, RTGCPHYS GCPhysDst, const void *pvSrc, size_t cb, uint32_t fFlags, size_t *pcbWritten); +VMMR3_INT_DECL(int) PGMR3DbgReadGCPtr(PVM pVM, void *pvDst, RTGCPTR GCPtrSrc, size_t cb, uint32_t fFlags, size_t *pcbRead); +VMMR3_INT_DECL(int) PGMR3DbgWriteGCPtr(PVM pVM, RTGCPTR GCPtrDst, void const *pvSrc, size_t cb, uint32_t fFlags, size_t *pcbWritten); +VMMR3_INT_DECL(int) PGMR3DbgScanPhysical(PVM pVM, RTGCPHYS GCPhys, RTGCPHYS cbRange, RTGCPHYS GCPhysAlign, const uint8_t *pabNeedle, size_t cbNeedle, PRTGCPHYS pGCPhysHit); +VMMR3_INT_DECL(int) PGMR3DbgScanVirtual(PVM pVM, PVMCPU pVCpu, RTGCPTR GCPtr, RTGCPTR cbRange, RTGCPTR GCPtrAlign, const uint8_t *pabNeedle, size_t cbNeedle, PRTGCUINTPTR pGCPhysHit); +VMMR3_INT_DECL(int) PGMR3DumpHierarchyShw(PVM pVM, uint64_t cr3, uint32_t fFlags, uint64_t u64FirstAddr, uint64_t u64LastAddr, uint32_t cMaxDepth, PCDBGFINFOHLP pHlp); +VMMR3_INT_DECL(int) PGMR3DumpHierarchyGst(PVM pVM, uint64_t cr3, uint32_t fFlags, RTGCPTR FirstAddr, RTGCPTR LastAddr, uint32_t cMaxDepth, PCDBGFINFOHLP pHlp); + + +/** @name Page sharing + * @{ */ +VMMR3DECL(int) PGMR3SharedModuleRegister(PVM pVM, VBOXOSFAMILY enmGuestOS, char *pszModuleName, char *pszVersion, + RTGCPTR GCBaseAddr, uint32_t cbModule, + uint32_t cRegions, VMMDEVSHAREDREGIONDESC const *paRegions); +VMMR3DECL(int) PGMR3SharedModuleUnregister(PVM pVM, char *pszModuleName, char *pszVersion, + RTGCPTR GCBaseAddr, uint32_t cbModule); +VMMR3DECL(int) PGMR3SharedModuleCheckAll(PVM pVM); +VMMR3DECL(int) PGMR3SharedModuleGetPageState(PVM pVM, RTGCPTR GCPtrPage, bool *pfShared, uint64_t *pfPageFlags); +/** @} */ + +/** @} */ +#endif /* IN_RING3 */ + +RT_C_DECLS_END + +/** @} */ +#endif /* !VBOX_INCLUDED_vmm_pgm_h */ + |