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Diffstat (limited to 'include/VBox/vmm/mm.h')
| -rw-r--r-- | include/VBox/vmm/mm.h | 380 |
1 files changed, 380 insertions, 0 deletions
diff --git a/include/VBox/vmm/mm.h b/include/VBox/vmm/mm.h new file mode 100644 index 00000000..26f63fad --- /dev/null +++ b/include/VBox/vmm/mm.h @@ -0,0 +1,380 @@ +/** @file + * MM - The Memory Manager. + */ + +/* + * Copyright (C) 2006-2019 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_INCLUDED_vmm_mm_h +#define VBOX_INCLUDED_vmm_mm_h +#ifndef RT_WITHOUT_PRAGMA_ONCE +# pragma once +#endif + +#include <VBox/types.h> +#include <iprt/x86.h> +#include <VBox/sup.h> +#include <iprt/stdarg.h> + + +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 /* !VBOX_INCLUDED_vmm_mm_h */ + |