reactos/include/internal/mm.h

   1 /*
   2  * Higher level memory managment definitions
   3  */
   4
   5 #ifndef __INCLUDE_INTERNAL_MM_H
   6 #define __INCLUDE_INTERNAL_MM_H
   7
   8 #include <internal/linkage.h>
   9 #include <internal/ntoskrnl.h>
  10 #include <windows.h>
  11
  12 /* TYPES *********************************************************************/
  13
  14 enum
  15 {
  16    MEMORY_AREA_INVALID,
  17    MEMORY_AREA_SECTION_VIEW_COMMIT,
  18    MEMORY_AREA_CONTINUOUS_MEMORY,
  19    MEMORY_AREA_NO_CACHE,
  20    MEMORY_AREA_IO_MAPPING,
  21    MEMORY_AREA_SYSTEM,
  22    MEMORY_AREA_MDL_MAPPING,
  23    MEMORY_AREA_COMMIT,
  24    MEMORY_AREA_RESERVE,
  25    MEMORY_AREA_SECTION_VIEW_RESERVE,
  26    MEMORY_AREA_CACHE_SEGMENT,
  27 };
  28
  29 #define PAGE_TO_SECTION_PAGE_DIRECTORY_OFFSET(x) ((x) / (4*1024*1024))
  30 #define PAGE_TO_SECTION_PAGE_TABLE_OFFSET(x) (((x) % 4*1024*1024) / (4*1024))
  31
  32 #define NR_SECTION_PAGE_TABLES           (1024)
  33 #define NR_SECTION_PAGE_ENTRIES          (1024)
  34
  35 typedef struct
  36 {
  37    PVOID Pages[NR_SECTION_PAGE_ENTRIES];
  38 } SECTION_PAGE_TABLE, *PSECTION_PAGE_TABLE;
  39
  40 typedef struct
  41 {
  42    PSECTION_PAGE_TABLE PageTables[NR_SECTION_PAGE_TABLES];
  43 } SECTION_PAGE_DIRECTORY, *PSECTION_PAGE_DIRECTORY;
  44
  45 typedef struct
  46 {
  47    CSHORT Type;
  48    CSHORT Size;
  49    LARGE_INTEGER MaximumSize;
  50    ULONG SectionPageProtection;
  51    ULONG AllocateAttributes;
  52    PFILE_OBJECT FileObject;
  53    LIST_ENTRY ViewListHead;
  54    KSPIN_LOCK ViewListLock;
  55    KMUTEX Lock;
  56    SECTION_PAGE_DIRECTORY PageDirectory;
  57 } SECTION_OBJECT, *PSECTION_OBJECT;
  58
  59 typedef struct
  60 {
  61    ULONG Type;
  62    PVOID BaseAddress;
  63    ULONG Length;
  64    ULONG Attributes;
  65    LIST_ENTRY Entry;
  66    ULONG LockCount;
  67    PEPROCESS Process;
  68    union
  69      {
  70         struct
  71           {
  72              SECTION_OBJECT* Section;
  73              ULONG ViewOffset;
  74              LIST_ENTRY ViewListEntry;
  75           } SectionData;
  76      } Data;
  77 } MEMORY_AREA, *PMEMORY_AREA;
  78
  79
  80 /* FUNCTIONS */
  81
  82 VOID MmLockAddressSpace(PMADDRESS_SPACE AddressSpace);
  83 VOID MmUnlockAddressSpace(PMADDRESS_SPACE AddressSpace);
  84 VOID MmInitializeKernelAddressSpace(VOID);
  85 PMADDRESS_SPACE MmGetCurrentAddressSpace(VOID);
  86 PMADDRESS_SPACE MmGetKernelAddressSpace(VOID);
  87 NTSTATUS MmInitializeAddressSpace(PEPROCESS Process,
  88                                   PMADDRESS_SPACE AddressSpace);
  89 NTSTATUS MmDestroyAddressSpace(PMADDRESS_SPACE AddressSpace);
  90 PVOID STDCALL MmAllocateSection (IN ULONG Length);
  91 NTSTATUS MmCreateMemoryArea(PEPROCESS Process,
  92                             PMADDRESS_SPACE AddressSpace,
  93                             ULONG Type,
  94                             PVOID* BaseAddress,
  95                             ULONG Length,
  96                             ULONG Attributes,
  97                             MEMORY_AREA** Result);
  98 MEMORY_AREA* MmOpenMemoryAreaByAddress(PMADDRESS_SPACE AddressSpace,
  99                                        PVOID Address);
 100 NTSTATUS MmInitMemoryAreas(VOID);
 101 VOID ExInitNonPagedPool(ULONG BaseAddress);
 102 NTSTATUS MmFreeMemoryArea(PMADDRESS_SPACE AddressSpace,
 103                           PVOID BaseAddress,
 104                           ULONG Length,
 105                           BOOLEAN FreePages);
 106 VOID MmDumpMemoryAreas(PLIST_ENTRY ListHead);
 107 NTSTATUS MmLockMemoryArea(MEMORY_AREA* MemoryArea);
 108 NTSTATUS MmUnlockMemoryArea(MEMORY_AREA* MemoryArea);
 109 NTSTATUS MmInitSectionImplementation(VOID);
 110
 111 /*void VirtualInit(boot_param* bp);*/
 112
 113 #define MM_LOWEST_USER_ADDRESS (4096)
 114
 115 PMEMORY_AREA MmSplitMemoryArea(PEPROCESS Process,
 116                                PMADDRESS_SPACE AddressSpace,
 117                                PMEMORY_AREA OriginalMemoryArea,
 118                                PVOID BaseAddress,
 119                                ULONG Length,
 120                                ULONG NewType,
 121                                ULONG NewAttributes);
 122 PVOID MmInitializePageList(PVOID FirstPhysKernelAddress,
 123                            PVOID LastPhysKernelAddress,
 124                            ULONG MemorySizeInPages,
 125                            ULONG LastKernelBase);
 126
 127 PVOID MmAllocPage(VOID);
 128 VOID MmDereferencePage(PVOID PhysicalAddress);
 129 VOID MmReferencePage(PVOID PhysicalAddress);
 130 VOID MmDeletePageTable(PEPROCESS Process, PVOID Address);
 131 NTSTATUS MmCopyMmInfo(PEPROCESS Src, PEPROCESS Dest);
 132 NTSTATUS MmReleaseMmInfo(PEPROCESS Process);
 133 NTSTATUS Mmi386ReleaseMmInfo(PEPROCESS Process);
 134 VOID MmDeletePageEntry(PEPROCESS Process, PVOID Address, BOOL FreePage);
 135
 136 VOID MmBuildMdlFromPages(PMDL Mdl);
 137 PVOID MmGetMdlPageAddress(PMDL Mdl, PVOID Offset);
 138 VOID MiShutdownMemoryManager(VOID);
 139 ULONG MmGetPhysicalAddressForProcess(PEPROCESS Process,
 140                                      PVOID Address);
 141 NTSTATUS STDCALL MmUnmapViewOfSection(PEPROCESS Process,
 142                               PMEMORY_AREA MemoryArea);
 143 PVOID MiTryToSharePageInSection(PSECTION_OBJECT Section, ULONG Offset);
 144
 145 NTSTATUS MmSafeCopyFromUser(PVOID Dest, PVOID Src, ULONG NumberOfBytes);
 146 NTSTATUS MmSafeCopyToUser(PVOID Dest, PVOID Src, ULONG NumberOfBytes);
 147 VOID MmInitPagingFile(VOID);
 148
 149 /* FIXME: it should be in ddk/mmfuncs.h */
 150 NTSTATUS
 151 STDCALL
 152 MmCreateSection (
 153         OUT     PSECTION_OBJECT         * SectionObject,
 154         IN      ACCESS_MASK             DesiredAccess,
 155         IN      POBJECT_ATTRIBUTES      ObjectAttributes        OPTIONAL,
 156         IN      PLARGE_INTEGER          MaximumSize,
 157         IN      ULONG                   SectionPageProtection,
 158         IN      ULONG                   AllocationAttributes,
 159         IN      HANDLE                  FileHandle              OPTIONAL,
 160         IN      PFILE_OBJECT            File                    OPTIONAL
 161         );
 162
 163 NTSTATUS MmPageFault(ULONG Cs,
 164                      PULONG Eip,
 165                      PULONG Eax,
 166                      ULONG Cr2,
 167                      ULONG ErrorCode);
 168
 169 NTSTATUS MmAccessFault(KPROCESSOR_MODE Mode,
 170                        ULONG Address);
 171 NTSTATUS MmNotPresentFault(KPROCESSOR_MODE Mode,
 172                            ULONG Address);
 173
 174 #endif