pgm.h revision 3cc9c8ce3bece94a2e32ca0fcb0801689c6174f0
/** @file
* PGM - Page Monitor / Monitor.
*/
/*
* Copyright (C) 2006-2007 Sun Microsystems, Inc.
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* General Public License (GPL) as published by the Free Software
* Foundation, in version 2 as it comes in the "COPYING" file of the
* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
*
* The contents of this file may alternatively be used under the terms
* of the Common Development and Distribution License Version 1.0
* (CDDL) only, as it comes in the "COPYING.CDDL" file of the
* VirtualBox OSE 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.
*
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
* Clara, CA 95054 USA or visit http://www.sun.com if you need
* additional information or have any questions.
*/
#ifndef ___VBox_pgm_h
#define ___VBox_pgm_h
#include <VBox/hwacc_vmx.h>
/** @defgroup grp_pgm The Page Monitor / Manager API
* @{
*/
/** Chunk size for dynamically allocated physical memory. */
/** Shift GC physical address by 20 bits to get the offset into the pvHCChunkHC array. */
#define PGM_DYNAMIC_CHUNK_SHIFT 20
/** Dynamic chunk offset mask. */
#define PGM_DYNAMIC_CHUNK_OFFSET_MASK 0xfffff
/** Dynamic chunk base mask. */
/**
* FNPGMRELOCATE callback mode.
*/
typedef enum PGMRELOCATECALL
{
/** The callback is for checking if the suggested address is suitable. */
/** The callback is for executing the relocation. */
/**
* 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 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 DECLCALLBACK(bool) FNPGMRELOCATE(PVM pVM, RTGCPTR GCPtrOld, RTGCPTR GCPtrNew, PGMRELOCATECALL enmMode, void *pvUser);
/** Pointer to a relocation callback function. */
typedef FNPGMRELOCATE *PFNPGMRELOCATE;
/**
* Physical page access handler type.
*/
typedef enum PGMPHYSHANDLERTYPE
{
/** MMIO range. Pages are not present, all access is done in interpreter or recompiler. */
/** Handler all write access to a physical page range. */
/** Handler all access to a physical page range. */
/**
* \#PF Handler callback for physical access handler ranges in RC.
*
* @returns VBox status code (appropriate for RC return).
* @param pVM VM Handle.
* @param uErrorCode CPU Error code.
* @param pRegFrame Trap register frame.
* NULL on DMA and other non CPU access.
* @param pvFault The fault address (cr2).
* @param GCPhysFault The GC physical address corresponding to pvFault.
* @param pvUser User argument.
*/
typedef DECLCALLBACK(int) FNPGMRCPHYSHANDLER(PVM pVM, RTGCUINT uErrorCode, PCPUMCTXCORE pRegFrame, RTGCPTR pvFault, RTGCPHYS GCPhysFault, void *pvUser);
/** Pointer to PGM access callback. */
typedef FNPGMRCPHYSHANDLER *PFNPGMRCPHYSHANDLER;
/**
* \#PF Handler callback for physical access handler ranges in R0.
*
* @returns VBox status code (appropriate for R0 return).
* @param pVM VM Handle.
* @param uErrorCode CPU Error code.
* @param pRegFrame Trap register frame.
* NULL on DMA and other non CPU access.
* @param pvFault The fault address (cr2).
* @param GCPhysFault The GC physical address corresponding to pvFault.
* @param pvUser User argument.
*/
typedef DECLCALLBACK(int) FNPGMR0PHYSHANDLER(PVM pVM, RTGCUINT uErrorCode, PCPUMCTXCORE pRegFrame, RTGCPTR pvFault, RTGCPHYS GCPhysFault, void *pvUser);
/** Pointer to PGM access callback. */
typedef FNPGMR0PHYSHANDLER *PFNPGMR0PHYSHANDLER;
/**
* Guest Access type
*/
typedef enum PGMACCESSTYPE
{
/** Read access. */
PGMACCESSTYPE_READ = 1,
/** Write access. */
/**
* \#PF Handler callback for physical access handler ranges (MMIO among others) in HC.
*
* The handler can not raise any faults, it's mainly for monitoring write access
* to certain pages.
*
* @returns VINF_SUCCESS if the handler have carried out the operation.
* @returns VINF_PGM_HANDLER_DO_DEFAULT if the caller should carry out the access operation.
* @param pVM VM Handle.
* @param GCPhys The physical address the guest is writing to.
* @param pvPhys The HC mapping of that address.
* @param enmAccessType The access type.
* @param pvUser User argument.
*/
typedef DECLCALLBACK(int) FNPGMR3PHYSHANDLER(PVM pVM, RTGCPHYS GCPhys, void *pvPhys, void *pvBuf, size_t cbBuf, PGMACCESSTYPE enmAccessType, void *pvUser);
/** Pointer to PGM access callback. */
typedef FNPGMR3PHYSHANDLER *PFNPGMR3PHYSHANDLER;
/**
* Virtual access handler type.
*/
typedef enum PGMVIRTHANDLERTYPE
{
/** Write access handled. */
/** All access handled. */
/** Hypervisor write access handled.
* This is used to catch the guest trying to write to LDT, TSS and any other
* system structure which the brain dead intel guys let unprivilegde code find. */
/**
* \#PF Handler callback for virtual access handler ranges, RC.
*
* Important to realize that a physical page in a range can have aliases, and
* for ALL and WRITE handlers these will also trigger.
*
* @returns VBox status code (appropriate for GC return).
* @param pVM VM Handle.
* @param uErrorCode CPU Error code.
* @param pRegFrame Trap register frame.
* @param pvFault The fault address (cr2).
* @param pvRange The base address of the handled virtual range.
* @param offRange The offset of the access into this range.
* (If it's a EIP range this's the EIP, if not it's pvFault.)
*/
typedef DECLCALLBACK(int) FNPGMRCVIRTHANDLER(PVM pVM, RTGCUINT uErrorCode, PCPUMCTXCORE pRegFrame, RTGCPTR pvFault, RTGCPTR pvRange, uintptr_t offRange);
/** Pointer to PGM access callback. */
typedef FNPGMRCVIRTHANDLER *PFNPGMRCVIRTHANDLER;
/**
* \#PF Handler callback for virtual access handler ranges, R3.
*
* Important to realize that a physical page in a range can have aliases, and
* for ALL and WRITE handlers these will also trigger.
*
* @returns VINF_SUCCESS if the handler have carried out the operation.
* @returns VINF_PGM_HANDLER_DO_DEFAULT if the caller should carry out the access operation.
* @param pVM VM Handle.
* @param GCPtr The virtual address the guest is writing to. (not correct if it's an alias!)
* @param pvPtr The HC mapping of that address.
* @param enmAccessType The access type.
* @param pvUser User argument.
*/
typedef DECLCALLBACK(int) FNPGMR3VIRTHANDLER(PVM pVM, RTGCPTR GCPtr, void *pvPtr, void *pvBuf, size_t cbBuf, PGMACCESSTYPE enmAccessType, void *pvUser);
/** Pointer to PGM access callback. */
typedef FNPGMR3VIRTHANDLER *PFNPGMR3VIRTHANDLER;
/**
* \#PF Handler callback for invalidation of virtual access handler ranges.
*
* @param pVM VM Handle.
* @param GCPtr The virtual address the guest has changed.
*/
/** Pointer to PGM invalidation callback. */
typedef FNPGMR3VIRTINVALIDATE *PFNPGMR3VIRTINVALIDATE;
/**
* Paging mode.
*/
typedef enum PGMMODE
{
/** The usual invalid value. */
PGMMODE_INVALID = 0,
/** Real mode. */
/** Protected mode, no paging. */
/** 32-bit paging. */
/** PAE paging. */
/** PAE paging with NX enabled. */
/** 64-bit AMD paging (long mode). */
/** 64-bit AMD paging (long mode) with NX enabled. */
/** Nested paging mode (shadow only; guest physical to host physical). */
/** Extended paging (Intel) mode. */
/** The max number of modes */
/** 32bit hackishness. */
PGMMODE_32BIT_HACK = 0x7fffffff
} PGMMODE;
/** Macro for checking if the guest is using paging.
* @param enmMode PGMMODE_*.
* @remark ASSUMES certain order of the PGMMODE_* values.
*/
/** Macro for checking if it's one of the long mode modes.
* @param enmMode PGMMODE_*.
*/
/**
* 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(int) PGMRegisterStringFormatTypes(void);
VMMDECL(void) PGMDeregisterStringFormatTypes(void);
VMMDECL(int) PGMTrap0eHandler(PVMCPU pVCpu, RTGCUINT uErr, PCPUMCTXCORE pRegFrame, RTGCPTR pvFault);
VMMDECL(int) PGMInterpretInstruction(PVM pVM, PVMCPU pVCpu, PCPUMCTXCORE pRegFrame, RTGCPTR pvFault);
#ifndef IN_RING0
#endif
#ifdef VBOX_STRICT
#endif
VMMDECL(int) PGMShwModifyPage(PVMCPU pVCpu, RTGCPTR GCPtr, size_t cb, uint64_t fFlags, uint64_t fMask);
VMMDECL(int) PGMGstModifyPage(PVMCPU pVCpu, RTGCPTR GCPtr, size_t cb, uint64_t fFlags, uint64_t fMask);
VMMDECL(int) PGMHandlerPhysicalRegisterEx(PVM pVM, PGMPHYSHANDLERTYPE enmType, RTGCPHYS GCPhys, RTGCPHYS GCPhysLast,
VMMDECL(int) PGMHandlerPhysicalModify(PVM pVM, RTGCPHYS GCPhysCurrent, RTGCPHYS GCPhys, RTGCPHYS GCPhysLast);
VMMDECL(int) PGMHandlerPhysicalPageAlias(PVM pVM, RTGCPHYS GCPhys, RTGCPHYS GCPhysPage, RTGCPHYS GCPhysPageRemap);
VMMDECL(int) PGMHandlerPhysicalPageAliasHC(PVM pVM, RTGCPHYS GCPhys, RTGCPHYS GCPhysPage, RTHCPHYS HCPhysPageRemap);
VMMDECL(int) PGMPhysGCPhys2CCPtrReadOnly(PVM pVM, RTGCPHYS GCPhys, void const **ppv, PPGMPAGEMAPLOCK pLock);
VMMDECL(int) PGMPhysGCPtr2CCPtrReadOnly(PVMCPU pVCpu, RTGCPTR GCPtr, void const **ppv, PPGMPAGEMAPLOCK pLock);
/**
* Checks if the lock structure is valid
*
* @param pVM The VM handle.
* @param pLock The lock structure initialized by the mapping function.
*/
{
#if defined(IN_RC) || defined(VBOX_WITH_2X_4GB_ADDR_SPACE_IN_R0)
#else
#endif
}
#ifdef VBOX_STRICT
#endif
VMMDECL(int) PGMPhysSimpleDirtyWriteGCPtr(PVMCPU pVCpu, RTGCPTR GCPtrDst, const void *pvSrc, size_t cb);
VMMDECL(int) PGMPhysInterpretedRead(PVMCPU pVCpu, PCPUMCTXCORE pCtxCore, void *pvDst, RTGCPTR GCPtrSrc, size_t cb);
VMMDECL(int) PGMPhysInterpretedReadNoHandlers(PVMCPU pVCpu, PCPUMCTXCORE pCtxCore, void *pvDst, RTGCUINTPTR GCPtrSrc, size_t cb, bool fRaiseTrap);
VMMDECL(int) PGMPhysInterpretedWriteNoHandlers(PVMCPU pVCpu, PCPUMCTXCORE pCtxCore, RTGCPTR GCPtrDst, void const *pvSrc, size_t cb, bool fRaiseTrap);
#ifdef VBOX_STRICT
#endif /* VBOX_STRICT */
#if defined(IN_RC) || defined(VBOX_WITH_2X_4GB_ADDR_SPACE)
# ifdef IN_RC
# ifdef VBOX_STRICT
# endif
# endif
#endif
#ifdef IN_RC
/** @defgroup grp_pgm_gc The PGM Guest Context API
* @ingroup grp_pgm
* @{
*/
/** @} */
#endif /* IN_RC */
#ifdef IN_RING0
/** @defgroup grp_pgm_r0 The PGM Host Context Ring-0 API
* @ingroup grp_pgm
* @{
*/
VMMR0DECL(int) PGMR0Trap0eHandlerNestedPaging(PVM pVM, PVMCPU pVCpu, PGMMODE enmShwPagingMode, RTGCUINT uErr, PCPUMCTXCORE pRegFrame, RTGCPHYS pvFault);
# ifdef VBOX_WITH_2X_4GB_ADDR_SPACE
VMMR0DECL(int) PGMR0DynMapInit(void);
VMMR0DECL(void) PGMR0DynMapTerm(void);
VMMR0DECL(int) PGMR0DynMapAssertIntegrity(void);
# endif
/** @} */
#endif /* IN_RING0 */
#ifdef IN_RING3
/** @defgroup grp_pgm_r3 The PGM Host Context Ring-3 API
* @ingroup grp_pgm
* @{
*/
VMMR3DECL(int) PGMR3PhysMMIO2Register(PVM pVM, PPDMDEVINS pDevIns, uint32_t iRegion, RTGCPHYS cb, uint32_t fFlags, void **ppv, const char *pszDesc);
VMMR3DECL(int) PGMR3PhysMMIO2GetHCPhys(PVM pVM, PPDMDEVINS pDevIns, uint32_t iRegion, RTGCPHYS off, PRTHCPHYS pHCPhys);
VMMR3DECL(int) PGMR3PhysMMIO2MapKernel(PVM pVM, PPDMDEVINS pDevIns, uint32_t iRegion, RTGCPHYS off, RTGCPHYS cb, const char *pszDesc, PRTR0PTR pR0Ptr);
/** @group PGMR3PhysRegisterRom flags.
* @{ */
/** Inidicates that ROM shadowing should be enabled. */
#define PGMPHYS_ROM_FLAGS_SHADOWED RT_BIT_32(0)
/** Indicates that what pvBinary points to won't go away
* and can be used for strictness checks. */
/** @} */
VMMR3DECL(int) PGMR3PhysRegister(PVM pVM, void *pvRam, RTGCPHYS GCPhys, size_t cb, unsigned fFlags, const SUPPAGE *paPages, const char *pszDesc);
/** @name PGMR3MapPT flags.
* @{ */
/** The mapping may be unmapped later. The default is permanent mappings. */
#define PGMR3MAPPT_FLAGS_UNMAPPABLE RT_BIT(0)
/** @} */
VMMR3DECL(int) PGMR3MapPT(PVM pVM, RTGCPTR GCPtr, uint32_t cb, uint32_t fFlags, PFNPGMRELOCATE pfnRelocate, void *pvUser, const char *pszDesc);
VMMR3DECL(int) PGMR3HandlerPhysicalRegister(PVM pVM, PGMPHYSHANDLERTYPE enmType, RTGCPHYS GCPhys, RTGCPHYS GCPhysLast,
VMMDECL(int) PGMR3HandlerVirtualRegisterEx(PVM pVM, PGMVIRTHANDLERTYPE enmType, RTGCPTR GCPtr, RTGCPTR GCPtrLast,
VMMR3DECL(int) PGMR3HandlerVirtualRegister(PVM pVM, PGMVIRTHANDLERTYPE enmType, RTGCPTR GCPtr, RTGCPTR GCPtrLast,
VMMDECL(int) PGMHandlerVirtualChangeInvalidateCallback(PVM pVM, RTGCPTR GCPtr, R3PTRTYPE(PFNPGMR3VIRTINVALIDATE) pfnInvalidateR3);
#ifdef ___VBox_dbgf_h /** @todo fix this! */
VMMR3DECL(int) PGMR3DumpHierarchyHC(PVM pVM, uint64_t cr3, uint64_t cr4, bool fLongMode, unsigned cMaxDepth, PCDBGFINFOHLP pHlp);
#endif
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) PGMR3DbgReadGCPhys(PVM pVM, void *pvDst, RTGCPHYS GCPhysSrc, size_t cb, uint32_t fFlags, size_t *pcbRead);
VMMR3DECL(int) PGMR3DbgWriteGCPhys(PVM pVM, RTGCPHYS GCPhysDst, const void *pvSrc, size_t cb, uint32_t fFlags, size_t *pcbWritten);
VMMR3DECL(int) PGMR3DbgReadGCPtr(PVM pVM, void *pvDst, RTGCPTR GCPtrSrc, size_t cb, uint32_t fFlags, size_t *pcbRead);
VMMR3DECL(int) PGMR3DbgWriteGCPtr(PVM pVM, RTGCPTR GCPtrDst, void const *pvSrc, size_t cb, uint32_t fFlags, size_t *pcbWritten);
VMMR3DECL(int) PGMR3DbgScanPhysical(PVM pVM, RTGCPHYS GCPhys, RTGCPHYS cbRange, const uint8_t *pabNeedle, size_t cbNeedle, PRTGCPHYS pGCPhysHit);
VMMR3DECL(int) PGMR3DbgScanVirtual(PVM pVM, PVMCPU pVCpu, RTGCPTR GCPtr, RTGCPTR cbRange, const uint8_t *pabNeedle, size_t cbNeedle, PRTGCUINTPTR pGCPhysHit);
/** @} */
#endif /* IN_RING3 */
/** @} */
#endif