reactos/ntoskrnl/mm/ARM3/miarm.h

   1 /*
   2  * PROJECT:         ReactOS Kernel
   3  * LICENSE:         BSD - See COPYING.ARM in the top level directory
   4  * FILE:            ntoskrnl/mm/ARM3/miarm.h
   5  * PURPOSE:         ARM Memory Manager Header
   6  * PROGRAMMERS:     ReactOS Portable Systems Group
   7  */
   8
   9 #define MI_MIN_PAGES_FOR_NONPAGED_POOL_TUNING ((255*1024*1024) >> PAGE_SHIFT)
  10 #define MI_MIN_PAGES_FOR_SYSPTE_TUNING         ((19*1024*1024) >> PAGE_SHIFT)
  11 #define MI_MIN_PAGES_FOR_SYSPTE_BOOST          ((32*1024*1024) >> PAGE_SHIFT)
  12 #define MI_MAX_INIT_NONPAGED_POOL_SIZE         (128 * 1024 * 1024)
  13 #define MI_MAX_NONPAGED_POOL_SIZE              (128 * 1024 * 1024)
  14 #define MI_MAX_FREE_PAGE_LISTS                 4
  15
  16 typedef enum _MMSYSTEM_PTE_POOL_TYPE
  17 {
  18     SystemPteSpace,
  19     NonPagedPoolExpansion,
  20     MaximumPtePoolTypes
  21 } MMSYSTEM_PTE_POOL_TYPE;
  22
  23 typedef enum _MI_PFN_CACHE_ATTRIBUTE
  24 {
  25     MiNonCached,
  26     MiCached,
  27     MiWriteCombined,
  28     MiNotMapped
  29 } MI_PFN_CACHE_ATTRIBUTE, *PMI_PFN_CACHE_ATTRIBUTE;
  30
  31 typedef struct _PHYSICAL_MEMORY_RUN
  32 {
  33     ULONG BasePage;
  34     ULONG PageCount;
  35 } PHYSICAL_MEMORY_RUN, *PPHYSICAL_MEMORY_RUN;
  36
  37 typedef struct _PHYSICAL_MEMORY_DESCRIPTOR
  38 {
  39     ULONG NumberOfRuns;
  40     ULONG NumberOfPages;
  41     PHYSICAL_MEMORY_RUN Run[1];
  42 } PHYSICAL_MEMORY_DESCRIPTOR, *PPHYSICAL_MEMORY_DESCRIPTOR;
  43
  44 extern MMPTE HyperTemplatePte;
  45
  46 extern ULONG MmSizeOfNonPagedPoolInBytes;
  47 extern ULONG MmMaximumNonPagedPoolInBytes;
  48 extern PVOID MmNonPagedPoolStart;
  49 extern PVOID MmNonPagedPoolExpansionStart;
  50 extern PVOID MmNonPagedPoolEnd;
  51 extern PMMPTE MmFirstReservedMappingPte, MmLastReservedMappingPte;
  52 extern PMMPTE MiFirstReservedZeroingPte;
  53 extern MI_PFN_CACHE_ATTRIBUTE MiPlatformCacheAttributes[2][MmMaximumCacheType];
  54 extern PPHYSICAL_MEMORY_DESCRIPTOR MmPhysicalMemoryBlock;
  55 extern ULONG MmBootImageSize;
  56 extern PMMPTE MmSystemPtesStart[MaximumPtePoolTypes];
  57 extern PMMPTE MmSystemPtesEnd[MaximumPtePoolTypes];
  58
  59 VOID
  60 NTAPI
  61 MiInitializeArmPool(
  62     VOID
  63 );
  64
  65 VOID
  66 NTAPI
  67 MiInitializeSystemPtes(
  68     IN PMMPTE StartingPte,
  69     IN ULONG NumberOfPtes,
  70     IN MMSYSTEM_PTE_POOL_TYPE PoolType
  71 );
  72
  73 PMMPTE
  74 NTAPI
  75 MiReserveSystemPtes(
  76     IN ULONG NumberOfPtes,
  77     IN MMSYSTEM_PTE_POOL_TYPE SystemPtePoolType
  78 );
  79
  80 VOID
  81 NTAPI
  82 MiReleaseSystemPtes(
  83     IN PMMPTE StartingPte,
  84     IN ULONG NumberOfPtes,
  85     IN MMSYSTEM_PTE_POOL_TYPE SystemPtePoolType
  86 );
  87
  88
  89 PFN_NUMBER
  90 NTAPI
  91 MiFindContiguousPages(
  92     IN PFN_NUMBER LowestPfn,
  93     IN PFN_NUMBER HighestPfn,
  94     IN PFN_NUMBER BoundaryPfn,
  95     IN PFN_NUMBER SizeInPages,
  96     IN MEMORY_CACHING_TYPE CacheType
  97 );
  98
  99 PVOID
 100 NTAPI
 101 MiCheckForContiguousMemory(
 102     IN PVOID BaseAddress,
 103     IN PFN_NUMBER BaseAddressPages,
 104     IN PFN_NUMBER SizeInPages,
 105     IN PFN_NUMBER LowestPfn,
 106     IN PFN_NUMBER HighestPfn,
 107     IN PFN_NUMBER BoundaryPfn,
 108     IN MI_PFN_CACHE_ATTRIBUTE CacheAttribute
 109 );
 110
 111 PMDL
 112 NTAPI
 113 MiAllocatePagesForMdl(
 114     IN PHYSICAL_ADDRESS LowAddress,
 115     IN PHYSICAL_ADDRESS HighAddress,
 116     IN PHYSICAL_ADDRESS SkipBytes,
 117     IN SIZE_T TotalBytes,
 118     IN MI_PFN_CACHE_ATTRIBUTE CacheAttribute,
 119     IN ULONG Flags
 120 );
 121
 122 PVOID
 123 NTAPI
 124 MiMapLockedPagesInUserSpace(
 125     IN PMDL Mdl,
 126     IN PVOID BaseVa,
 127     IN MEMORY_CACHING_TYPE CacheType,
 128     IN PVOID BaseAddress
 129 );
 130
 131 VOID
 132 NTAPI
 133 MiUnmapLockedPagesInUserSpace(
 134     IN PVOID BaseAddress,
 135     IN PMDL Mdl
 136 );
 137
 138 /* EOF */