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/** @file
* MM - The Memory Manager.
*/
/*
* 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_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_DBGF_TRACER,
MM_TAG_DBGF_FLOWTRACE,
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(RTR0PTR) MMHyperR3ToR0(PVM pVM, RTR3PTR R3Ptr);
#ifndef IN_RING3
VMMDECL(void *) MMHyperR3ToCC(PVM pVM, RTR3PTR R3Ptr);
#else
DECLINLINE(void *) MMHyperR3ToCC(PVM pVM, RTR3PTR R3Ptr)
{
NOREF(pVM);
return R3Ptr;
}
#endif
/** @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.
*/
#define MMHYPER_RC_ASSERT_RCPTR(pVM, RCPtr) do { } while (0)
/** @} */
#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) MMR3Term(PVM pVM);
VMMR3DECL(void) MMR3TermUVM(PUVM pUVM);
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);
/** @} */
/** @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_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);
/** @} */
#endif /* IN_RING3 || DOXYGEN_RUNNING */
/** @} */
RT_C_DECLS_END
#endif /* !VBOX_INCLUDED_vmm_mm_h */
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