/** @file * MM - The Memory Manager. */ /* * Copyright (C) 2006-2016 Oracle Corporation * * This file is part of VirtualBox Open Source Edition (OSE), as * available from http://www.virtualbox.org. This file is free software; * you can redistribute it and/or modify it under the terms of the GNU * 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. */ #ifndef ___VBox_vmm_mm_h #define ___VBox_vmm_mm_h #include #include #include #include RT_C_DECLS_BEGIN /** @defgroup grp_mm The Memory Manager API * @ingroup grp_vmm * @{ */ /** * Memory Allocation Tags. * For use with MMHyperAlloc(), MMR3HeapAlloc(), MMR3HeapAllocEx(), * MMR3HeapAllocZ() and MMR3HeapAllocZEx(). * * @remark Don't forget to update the dump command in MMHeap.cpp! */ typedef enum MMTAG { MM_TAG_INVALID = 0, MM_TAG_CFGM, MM_TAG_CFGM_BYTES, MM_TAG_CFGM_STRING, MM_TAG_CFGM_USER, MM_TAG_CSAM, MM_TAG_CSAM_PATCH, MM_TAG_CPUM_CTX, MM_TAG_CPUM_CPUID, MM_TAG_CPUM_MSRS, MM_TAG_DBGF, MM_TAG_DBGF_AS, MM_TAG_DBGF_CORE_WRITE, MM_TAG_DBGF_INFO, MM_TAG_DBGF_LINE, MM_TAG_DBGF_LINE_DUP, MM_TAG_DBGF_MODULE, MM_TAG_DBGF_OS, MM_TAG_DBGF_REG, MM_TAG_DBGF_STACK, MM_TAG_DBGF_SYMBOL, MM_TAG_DBGF_SYMBOL_DUP, MM_TAG_DBGF_TYPE, MM_TAG_EM, MM_TAG_IEM, MM_TAG_IOM, MM_TAG_IOM_STATS, MM_TAG_MM, MM_TAG_MM_LOOKUP_GUEST, MM_TAG_MM_LOOKUP_PHYS, MM_TAG_MM_LOOKUP_VIRT, MM_TAG_MM_PAGE, MM_TAG_PARAV, MM_TAG_PATM, MM_TAG_PATM_PATCH, MM_TAG_PDM, MM_TAG_PDM_ASYNC_COMPLETION, MM_TAG_PDM_DEVICE, MM_TAG_PDM_DEVICE_DESC, MM_TAG_PDM_DEVICE_USER, MM_TAG_PDM_DRIVER, MM_TAG_PDM_DRIVER_DESC, MM_TAG_PDM_DRIVER_USER, MM_TAG_PDM_USB, MM_TAG_PDM_USB_DESC, MM_TAG_PDM_USB_USER, MM_TAG_PDM_LUN, #ifdef VBOX_WITH_NETSHAPER MM_TAG_PDM_NET_SHAPER, #endif /* VBOX_WITH_NETSHAPER */ MM_TAG_PDM_QUEUE, MM_TAG_PDM_THREAD, MM_TAG_PGM, MM_TAG_PGM_CHUNK_MAPPING, MM_TAG_PGM_HANDLERS, MM_TAG_PGM_HANDLER_TYPES, MM_TAG_PGM_MAPPINGS, MM_TAG_PGM_PHYS, MM_TAG_PGM_POOL, MM_TAG_REM, MM_TAG_SELM, MM_TAG_SSM, MM_TAG_STAM, MM_TAG_TM, MM_TAG_TRPM, MM_TAG_VM, MM_TAG_VM_REQ, MM_TAG_VMM, MM_TAG_HM, MM_TAG_32BIT_HACK = 0x7fffffff } MMTAG; /** @defgroup grp_mm_hyper Hypervisor Memory Management * @{ */ VMMDECL(RTR3PTR) MMHyperR0ToR3(PVM pVM, RTR0PTR R0Ptr); VMMDECL(RTRCPTR) MMHyperR0ToRC(PVM pVM, RTR0PTR R0Ptr); #ifndef IN_RING0 VMMDECL(void *) MMHyperR0ToCC(PVM pVM, RTR0PTR R0Ptr); #endif VMMDECL(RTR0PTR) MMHyperR3ToR0(PVM pVM, RTR3PTR R3Ptr); VMMDECL(RTRCPTR) MMHyperR3ToRC(PVM pVM, RTR3PTR R3Ptr); VMMDECL(RTR3PTR) MMHyperRCToR3(PVM pVM, RTRCPTR RCPtr); VMMDECL(RTR0PTR) MMHyperRCToR0(PVM pVM, RTRCPTR RCPtr); #ifndef IN_RING3 VMMDECL(void *) MMHyperR3ToCC(PVM pVM, RTR3PTR R3Ptr); #else DECLINLINE(void *) MMHyperR3ToCC(PVM pVM, RTR3PTR R3Ptr) { NOREF(pVM); return R3Ptr; } #endif #ifndef IN_RC VMMDECL(void *) MMHyperRCToCC(PVM pVM, RTRCPTR RCPtr); #else DECLINLINE(void *) MMHyperRCToCC(PVM pVM, RTRCPTR RCPtr) { NOREF(pVM); return (void *)RCPtr; } #endif #ifndef IN_RING3 VMMDECL(RTR3PTR) MMHyperCCToR3(PVM pVM, void *pv); #else DECLINLINE(RTR3PTR) MMHyperCCToR3(PVM pVM, void *pv) { NOREF(pVM); return pv; } #endif #ifndef IN_RING0 VMMDECL(RTR0PTR) MMHyperCCToR0(PVM pVM, void *pv); #else DECLINLINE(RTR0PTR) MMHyperCCToR0(PVM pVM, void *pv) { NOREF(pVM); return pv; } #endif #ifndef IN_RC VMMDECL(RTRCPTR) MMHyperCCToRC(PVM pVM, void *pv); #else DECLINLINE(RTRCPTR) MMHyperCCToRC(PVM pVM, void *pv) { NOREF(pVM); return (RTRCPTR)pv; } #endif VMMDECL(int) MMHyperAlloc(PVM pVM, size_t cb, uint32_t uAlignment, MMTAG enmTag, void **ppv); VMMDECL(int) MMHyperDupMem(PVM pVM, const void *pvSrc, size_t cb, unsigned uAlignment, MMTAG enmTag, void **ppv); VMMDECL(int) MMHyperFree(PVM pVM, void *pv); VMMDECL(void) MMHyperHeapCheck(PVM pVM); VMMDECL(int) MMR3LockCall(PVM pVM); #ifdef DEBUG VMMDECL(void) MMHyperHeapDump(PVM pVM); #endif VMMDECL(size_t) MMHyperHeapGetFreeSize(PVM pVM); VMMDECL(size_t) MMHyperHeapGetSize(PVM pVM); VMMDECL(void *) MMHyperHeapOffsetToPtr(PVM pVM, uint32_t offHeap); VMMDECL(uint32_t) MMHyperHeapPtrToOffset(PVM pVM, void *pv); VMMDECL(RTGCPTR) MMHyperGetArea(PVM pVM, size_t *pcb); VMMDECL(bool) MMHyperIsInsideArea(PVM pVM, RTGCPTR GCPtr); VMMDECL(RTHCPHYS) MMPage2Phys(PVM pVM, void *pvPage); VMMDECL(void *) MMPagePhys2Page(PVM pVM, RTHCPHYS HCPhysPage); VMMDECL(int) MMPagePhys2PageEx(PVM pVM, RTHCPHYS HCPhysPage, void **ppvPage); VMMDECL(int) MMPagePhys2PageTry(PVM pVM, RTHCPHYS HCPhysPage, void **ppvPage); /** @def MMHYPER_RC_ASSERT_RCPTR * Asserts that an address is either NULL or inside the hypervisor memory area. * This assertion only works while IN_RC, it's a NOP everywhere else. * @thread The Emulation Thread. */ #ifdef IN_RC # define MMHYPER_RC_ASSERT_RCPTR(pVM, RCPtr) Assert(MMHyperIsInsideArea((pVM), (RTRCUINTPTR)(RCPtr)) || !(RCPtr)) #else # define MMHYPER_RC_ASSERT_RCPTR(pVM, RCPtr) do { } while (0) #endif /** @} */ #if defined(IN_RING3) || defined(DOXYGEN_RUNNING) /** @defgroup grp_mm_r3 The MM Host Context Ring-3 API * @{ */ VMMR3DECL(int) MMR3InitUVM(PUVM pUVM); VMMR3DECL(int) MMR3Init(PVM pVM); VMMR3DECL(int) MMR3InitPaging(PVM pVM); VMMR3DECL(int) MMR3HyperInitFinalize(PVM pVM); VMMR3DECL(int) MMR3Term(PVM pVM); VMMR3DECL(void) MMR3TermUVM(PUVM pUVM); VMMR3_INT_DECL(bool) MMR3IsInitialized(PVM pVM); VMMR3DECL(int) MMR3ReserveHandyPages(PVM pVM, uint32_t cHandyPages); VMMR3DECL(int) MMR3IncreaseBaseReservation(PVM pVM, uint64_t cAddBasePages); VMMR3DECL(int) MMR3AdjustFixedReservation(PVM pVM, int32_t cDeltaFixedPages, const char *pszDesc); VMMR3DECL(int) MMR3UpdateShadowReservation(PVM pVM, uint32_t cShadowPages); VMMR3DECL(int) MMR3HCPhys2HCVirt(PVM pVM, RTHCPHYS HCPhys, void **ppv); /** @defgroup grp_mm_r3_hyper Hypervisor Memory Manager (HC R3 Portion) * @{ */ VMMR3DECL(int) MMR3HyperAllocOnceNoRel(PVM pVM, size_t cb, uint32_t uAlignment, MMTAG enmTag, void **ppv); VMMR3DECL(int) MMR3HyperAllocOnceNoRelEx(PVM pVM, size_t cb, uint32_t uAlignment, MMTAG enmTag, uint32_t fFlags, void **ppv); VMMR3DECL(int) MMR3HyperRealloc(PVM pVM, void *pv, size_t cb, unsigned uAlignmentNew, MMTAG enmTagNew, size_t cbNew, void **ppv); /** @name MMR3HyperAllocOnceNoRelEx flags * @{ */ /** Must have kernel mapping. * If not specified, the R0 pointer may point to the user process mapping. */ #define MMHYPER_AONR_FLAGS_KERNEL_MAPPING RT_BIT(0) /** @} */ VMMR3DECL(int) MMR3HyperSetGuard(PVM pVM, void *pvStart, size_t cb, bool fSet); VMMR3DECL(int) MMR3HyperMapHCPhys(PVM pVM, void *pvR3, RTR0PTR pvR0, RTHCPHYS HCPhys, size_t cb, const char *pszDesc, PRTGCPTR pGCPtr); VMMR3DECL(int) MMR3HyperMapGCPhys(PVM pVM, RTGCPHYS GCPhys, size_t cb, const char *pszDesc, PRTGCPTR pGCPtr); VMMR3DECL(int) MMR3HyperMapMMIO2(PVM pVM, PPDMDEVINS pDevIns, uint32_t iSubDev, uint32_t iRegion, RTGCPHYS off, RTGCPHYS cb, const char *pszDesc, PRTRCPTR pRCPtr); VMMR3DECL(int) MMR3HyperMapPages(PVM pVM, void *pvR3, RTR0PTR pvR0, size_t cPages, PCSUPPAGE paPages, const char *pszDesc, PRTGCPTR pGCPtr); VMMR3DECL(int) MMR3HyperReserve(PVM pVM, unsigned cb, const char *pszDesc, PRTGCPTR pGCPtr); VMMR3DECL(RTHCPHYS) MMR3HyperHCVirt2HCPhys(PVM pVM, void *pvHC); VMMR3DECL(int) MMR3HyperHCVirt2HCPhysEx(PVM pVM, void *pvHC, PRTHCPHYS pHCPhys); VMMR3DECL(void *) MMR3HyperHCPhys2HCVirt(PVM pVM, RTHCPHYS HCPhys); VMMR3DECL(int) MMR3HyperHCPhys2HCVirtEx(PVM pVM, RTHCPHYS HCPhys, void **ppv); VMMR3_INT_DECL(int) MMR3HyperQueryInfoFromHCPhys(PVM pVM, RTHCPHYS HCPhys, char *pszWhat, size_t cbWhat, uint32_t *pcbAlloc); VMMR3DECL(int) MMR3HyperReadGCVirt(PVM pVM, void *pvDst, RTGCPTR GCPtr, size_t cb); /** @} */ /** @defgroup grp_mm_phys Guest Physical Memory Manager * @todo retire this group, elimintating or moving MMR3PhysGetRamSize to PGMPhys. * @{ */ VMMR3DECL(uint64_t) MMR3PhysGetRamSize(PVM pVM); VMMR3DECL(uint32_t) MMR3PhysGetRamSizeBelow4GB(PVM pVM); VMMR3DECL(uint64_t) MMR3PhysGetRamSizeAbove4GB(PVM pVM); VMMR3DECL(uint32_t) MMR3PhysGet4GBRamHoleSize(PVM pVM); /** @} */ /** @defgroup grp_mm_page Physical Page Pool * @{ */ VMMR3DECL(void *) MMR3PageAlloc(PVM pVM); VMMR3DECL(RTHCPHYS) MMR3PageAllocPhys(PVM pVM); VMMR3DECL(void) MMR3PageFree(PVM pVM, void *pvPage); VMMR3DECL(void *) MMR3PageAllocLow(PVM pVM); VMMR3DECL(void) MMR3PageFreeLow(PVM pVM, void *pvPage); VMMR3DECL(void) MMR3PageFreeByPhys(PVM pVM, RTHCPHYS HCPhysPage); VMMR3DECL(void *) MMR3PageDummyHCPtr(PVM pVM); VMMR3DECL(RTHCPHYS) MMR3PageDummyHCPhys(PVM pVM); /** @} */ /** @defgroup grp_mm_heap Heap Manager * @{ */ VMMR3DECL(void *) MMR3HeapAlloc(PVM pVM, MMTAG enmTag, size_t cbSize); VMMR3DECL(void *) MMR3HeapAllocU(PUVM pUVM, MMTAG enmTag, size_t cbSize); VMMR3DECL(int) MMR3HeapAllocEx(PVM pVM, MMTAG enmTag, size_t cbSize, void **ppv); VMMR3DECL(int) MMR3HeapAllocExU(PUVM pUVM, MMTAG enmTag, size_t cbSize, void **ppv); VMMR3DECL(void *) MMR3HeapAllocZ(PVM pVM, MMTAG enmTag, size_t cbSize); VMMR3DECL(void *) MMR3HeapAllocZU(PUVM pUVM, MMTAG enmTag, size_t cbSize); VMMR3DECL(int) MMR3HeapAllocZEx(PVM pVM, MMTAG enmTag, size_t cbSize, void **ppv); VMMR3DECL(int) MMR3HeapAllocZExU(PUVM pUVM, MMTAG enmTag, size_t cbSize, void **ppv); VMMR3DECL(void *) MMR3HeapRealloc(void *pv, size_t cbNewSize); VMMR3DECL(char *) MMR3HeapStrDup(PVM pVM, MMTAG enmTag, const char *psz); VMMR3DECL(char *) MMR3HeapStrDupU(PUVM pUVM, MMTAG enmTag, const char *psz); VMMR3DECL(char *) MMR3HeapAPrintf(PVM pVM, MMTAG enmTag, const char *pszFormat, ...) RT_IPRT_FORMAT_ATTR(3, 4); VMMR3DECL(char *) MMR3HeapAPrintfU(PUVM pUVM, MMTAG enmTag, const char *pszFormat, ...) RT_IPRT_FORMAT_ATTR(3, 4); VMMR3DECL(char *) MMR3HeapAPrintfV(PVM pVM, MMTAG enmTag, const char *pszFormat, va_list va) RT_IPRT_FORMAT_ATTR(3, 0); VMMR3DECL(char *) MMR3HeapAPrintfVU(PUVM pUVM, MMTAG enmTag, const char *pszFormat, va_list va) RT_IPRT_FORMAT_ATTR(3, 0); VMMR3DECL(void) MMR3HeapFree(void *pv); /** @} */ /** @defgroup grp_mm_ukheap User-kernel Heap Manager. * * The memory is safely accessible from kernel context as well as user land. * * @{ */ VMMR3DECL(void *) MMR3UkHeapAlloc(PVM pVM, MMTAG enmTag, size_t cbSize, PRTR0PTR pR0Ptr); VMMR3DECL(int) MMR3UkHeapAllocEx(PVM pVM, MMTAG enmTag, size_t cbSize, void **ppv, PRTR0PTR pR0Ptr); VMMR3DECL(void *) MMR3UkHeapAllocZ(PVM pVM, MMTAG enmTag, size_t cbSize, PRTR0PTR pR0Ptr); VMMR3DECL(int) MMR3UkHeapAllocZEx(PVM pVM, MMTAG enmTag, size_t cbSize, void **ppv, PRTR0PTR pR0Ptr); VMMR3DECL(void) MMR3UkHeapFree(PVM pVM, void *pv, MMTAG enmTag); /** @} */ /** @} */ #endif /* IN_RING3 || DOXYGEN_RUNNING */ #if defined(IN_RC) || defined(DOXYGEN_RUNNING) /** @defgroup grp_mm_rc The MM Raw-mode Context API * @{ */ VMMRCDECL(void) MMGCRamRegisterTrapHandler(PVM pVM); VMMRCDECL(void) MMGCRamDeregisterTrapHandler(PVM pVM); VMMRCDECL(int) MMGCRamReadNoTrapHandler(void *pDst, void *pSrc, size_t cb); /** * @deprecated Don't use this as it doesn't check the page state. */ VMMRCDECL(int) MMGCRamWriteNoTrapHandler(void *pDst, void *pSrc, size_t cb); VMMRCDECL(int) MMGCRamRead(PVM pVM, void *pDst, void *pSrc, size_t cb); VMMRCDECL(int) MMGCRamWrite(PVM pVM, void *pDst, void *pSrc, size_t cb); /** @} */ #endif /* IN_RC || DOXYGEN_RUNNING */ /** @} */ RT_C_DECLS_END #endif