Adding upstream version 7.0.6-dfsg.upstream/7.0.6-dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 207 insertions, 0 deletions

diff --git a/src/VBox/VMM/include/MMInternal.h b/src/VBox/VMM/include/MMInternal.h
new file mode 100644
index 00000000..4a1d9e6f
--- /dev/null
+++ b/src/VBox/VMM/include/MMInternal.h
@@ -0,0 +1,207 @@
+/* $Id: MMInternal.h $ */
+/** @file
+ * MM - Internal header file.
+ */
+
+/*
+ * Copyright (C) 2006-2022 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>.
+ *
+ * SPDX-License-Identifier: GPL-3.0-only
+ */
+
+#ifndef VMM_INCLUDED_SRC_include_MMInternal_h
+#define VMM_INCLUDED_SRC_include_MMInternal_h
+#ifndef RT_WITHOUT_PRAGMA_ONCE
+# pragma once
+#endif
+
+#include <VBox/cdefs.h>
+#include <VBox/types.h>
+#include <VBox/sup.h>
+#include <VBox/vmm/stam.h>
+#include <VBox/vmm/pdmcritsect.h>
+#include <iprt/assert.h>
+#include <iprt/avl.h>
+#include <iprt/critsect.h>
+
+
+
+/** @defgroup grp_mm_int   Internals
+ * @ingroup grp_mm
+ * @internal
+ * @{
+ */
+
+
+/** @name MMR3Heap - VM Ring-3 Heap Internals
+ * @{
+ */
+
+/** @def MMR3HEAP_SIZE_ALIGNMENT
+ * The allocation size alignment of the MMR3Heap.
+ */
+#define MMR3HEAP_SIZE_ALIGNMENT     16
+
+/** @def MMR3HEAP_WITH_STATISTICS
+ * Enable MMR3Heap statistics.
+ */
+#if !defined(MMR3HEAP_WITH_STATISTICS) && defined(VBOX_WITH_STATISTICS)
+# define MMR3HEAP_WITH_STATISTICS
+#endif
+
+/**
+ * Heap statistics record.
+ * There is one global and one per allocation tag.
+ */
+typedef struct MMHEAPSTAT
+{
+    /** Core avl node, key is the tag. */
+    AVLULNODECORE           Core;
+    /** Pointer to the heap the memory belongs to. */
+    struct MMHEAP          *pHeap;
+#ifdef MMR3HEAP_WITH_STATISTICS
+    /** Number of bytes currently allocated. */
+    size_t                  cbCurAllocated;
+    /** Number of allocation. */
+    uint64_t                cAllocations;
+    /** Number of reallocations. */
+    uint64_t                cReallocations;
+    /** Number of frees. */
+    uint64_t                cFrees;
+    /** Failures. */
+    uint64_t                cFailures;
+    /** Number of bytes allocated (sum). */
+    uint64_t                cbAllocated;
+    /** Number of bytes freed. */
+    uint64_t                cbFreed;
+#endif
+} MMHEAPSTAT;
+#if defined(MMR3HEAP_WITH_STATISTICS) && defined(IN_RING3)
+AssertCompileMemberAlignment(MMHEAPSTAT, cAllocations, 8);
+AssertCompileSizeAlignment(MMHEAPSTAT, 8);
+#endif
+/** Pointer to heap statistics record. */
+typedef MMHEAPSTAT *PMMHEAPSTAT;
+
+
+
+
+/**
+ * Additional heap block header for relating allocations to the VM.
+ */
+typedef struct MMHEAPHDR
+{
+    /** Pointer to the next record. */
+    struct MMHEAPHDR       *pNext;
+    /** Pointer to the previous record. */
+    struct MMHEAPHDR       *pPrev;
+    /** Pointer to the heap statistics record.
+     * (Where the a PVM can be found.) */
+    PMMHEAPSTAT             pStat;
+    /** Size of the allocation (including this header). */
+    size_t                  cbSize;
+} MMHEAPHDR;
+/** Pointer to MM heap header. */
+typedef MMHEAPHDR *PMMHEAPHDR;
+
+
+/** MM Heap structure. */
+typedef struct MMHEAP
+{
+    /** Lock protecting the heap. */
+    RTCRITSECT              Lock;
+    /** Heap block list head. */
+    PMMHEAPHDR              pHead;
+    /** Heap block list tail. */
+    PMMHEAPHDR              pTail;
+    /** Heap per tag statistics tree. */
+    PAVLULNODECORE          pStatTree;
+    /** The VM handle. */
+    PUVM                    pUVM;
+    /** Heap global statistics. */
+    MMHEAPSTAT              Stat;
+} MMHEAP;
+/** Pointer to MM Heap structure. */
+typedef MMHEAP *PMMHEAP;
+
+/** @} */
+
+/**
+ * MM Data (part of VM)
+ */
+typedef struct MM
+{
+    /** Set if MMR3InitPaging has been called. */
+    bool                        fDoneMMR3InitPaging;
+    /** Padding. */
+    bool                        afPadding1[7];
+
+    /** Size of the base RAM in bytes. (The CFGM RamSize value.) */
+    uint64_t                    cbRamBase;
+    /** Number of bytes of RAM above 4GB, starting at address 4GB.  */
+    uint64_t                    cbRamAbove4GB;
+    /** Size of the below 4GB RAM hole. */
+    uint32_t                    cbRamHole;
+    /** Number of bytes of RAM below 4GB, starting at address 0.  */
+    uint32_t                    cbRamBelow4GB;
+    /** The number of base RAM pages that PGM has reserved (GMM).
+     * @remarks Shadow ROMs will be counted twice (RAM+ROM), so it won't be 1:1 with
+     *          what the guest sees. */
+    uint64_t                    cBasePages;
+    /** The number of handy pages that PGM has reserved (GMM).
+     * These are kept out of cBasePages and thus out of the saved state. */
+    uint32_t                    cHandyPages;
+    /** The number of shadow pages PGM has reserved (GMM). */
+    uint32_t                    cShadowPages;
+    /** The number of fixed pages we've reserved (GMM). */
+    uint32_t                    cFixedPages;
+    /** Padding. */
+    uint32_t                    u32Padding2;
+} MM;
+/** Pointer to MM Data (part of VM). */
+typedef MM *PMM;
+
+
+/**
+ * MM data kept in the UVM.
+ */
+typedef struct MMUSERPERVM
+{
+    /** Pointer to the MM R3 Heap. */
+    R3PTRTYPE(PMMHEAP)          pHeap;
+} MMUSERPERVM;
+/** Pointer to the MM data kept in the UVM. */
+typedef MMUSERPERVM *PMMUSERPERVM;
+
+
+RT_C_DECLS_BEGIN
+
+int  mmR3UpdateReservation(PVM pVM);
+
+int  mmR3HeapCreateU(PUVM pUVM, PMMHEAP *ppHeap);
+void mmR3HeapDestroy(PMMHEAP pHeap);
+
+const char *mmGetTagName(MMTAG enmTag);
+
+RT_C_DECLS_END
+
+/** @} */
+
+#endif /* !VMM_INCLUDED_SRC_include_MMInternal_h */
+