xref: /reactos/sdk/include/ndk/mmtypes.h (revision 114ef5f1) 
1 /*++ NDK Version: 0098
2 
3 Copyright (c) Alex Ionescu.  All rights reserved.
4 
5 Header Name:
6 
7     mmtypes.h
8 
9 Abstract:
10 
11     Type definitions for the Memory Manager
12 
13 Author:
14 
15     Alex Ionescu (alexi@tinykrnl.org) - Updated - 27-Feb-2006
16 
17 --*/
18 
19 #ifndef _MMTYPES_H
20 #define _MMTYPES_H
21 
22 //
23 // Dependencies
24 //
25 #include <umtypes.h>
26 #include <arch/mmtypes.h>
27 #include <extypes.h>
28 
29 #ifdef __cplusplus
30 extern "C" {
31 #endif
32 
33 //
34 // Page-Rounding Macros
35 //
36 #define PAGE_ROUND_DOWN(x)                                  \
37     (((ULONG_PTR)(x))&(~(PAGE_SIZE-1)))
38 #define PAGE_ROUND_UP(x)                                    \
39     ( (((ULONG_PTR)(x)) + PAGE_SIZE-1)  & (~(PAGE_SIZE-1)) )
40 #ifdef NTOS_MODE_USER
41 #define ROUND_TO_PAGES(Size)                                \
42     (((ULONG_PTR)(Size) + PAGE_SIZE - 1) & ~(PAGE_SIZE - 1))
43 #endif
44 #define ROUND_TO_ALLOCATION_GRANULARITY(Size)               \
45     (((ULONG_PTR)(Size) + MM_ALLOCATION_GRANULARITY - 1)    \
46     & ~(MM_ALLOCATION_GRANULARITY - 1))
47 
48 //
49 // PFN Identity Uses
50 //
51 #define MMPFNUSE_PROCESSPRIVATE                             0
52 #define MMPFNUSE_FILE                                       1
53 #define MMPFNUSE_PAGEFILEMAPPED                             2
54 #define MMPFNUSE_PAGETABLE                                  3
55 #define MMPFNUSE_PAGEDPOOL                                  4
56 #define MMPFNUSE_NONPAGEDPOOL                               5
57 #define MMPFNUSE_SYSTEMPTE                                  6
58 #define MMPFNUSE_SESSIONPRIVATE                             7
59 #define MMPFNUSE_METAFILE                                   8
60 #define MMPFNUSE_AWEPAGE                                    9
61 #define MMPFNUSE_DRIVERLOCKPAGE                             10
62 #define MMPFNUSE_KERNELSTACK                                11
63 
64 //
65 // Lock/Unlock Virtuam Memory Flags
66 //
67 #define MAP_PROCESS                                         1
68 #define MAP_SYSTEM                                          2
69 
70 //
71 // Flags for ProcessExecutionOptions
72 //
73 #define MEM_EXECUTE_OPTION_DISABLE                          0x1
74 #define MEM_EXECUTE_OPTION_ENABLE                           0x2
75 #define MEM_EXECUTE_OPTION_DISABLE_THUNK_EMULATION          0x4
76 #define MEM_EXECUTE_OPTION_PERMANENT                        0x8
77 #define MEM_EXECUTE_OPTION_EXECUTE_DISPATCH_ENABLE          0x10
78 #define MEM_EXECUTE_OPTION_IMAGE_DISPATCH_ENABLE            0x20
79 #define MEM_EXECUTE_OPTION_VALID_FLAGS                      0x3F
80 
81 #ifndef NTOS_MODE_USER
82 
83 //
84 // Virtual Memory Flags
85 //
86 #define MEM_WRITE_WATCH                                     0x200000
87 #define MEM_PHYSICAL                                        0x400000
88 #define MEM_ROTATE                                          0x800000
89 #define MEM_IMAGE                                           SEC_IMAGE
90 #define MEM_DOS_LIM                                         0x40000000
91 
92 //
93 // Section Flags for NtCreateSection
94 //
95 #define SEC_NO_CHANGE                                       0x400000
96 #define SEC_FILE                                            0x800000
97 #define SEC_IMAGE                                           0x1000000
98 #define SEC_PROTECTED_IMAGE                                 0x2000000
99 #define SEC_RESERVE                                         0x4000000
100 #define SEC_COMMIT                                          0x8000000
101 #define SEC_NOCACHE                                         0x10000000
102 #define SEC_WRITECOMBINE                                    0x40000000
103 #define SEC_LARGE_PAGES                                     0x80000000
104 
105 #else // NTOS_MODE_USER
106 
107 #define SEC_BASED                                           0x200000
108 
109 //
110 // Section Inherit Flags for NtMapViewOfSection
111 //
112 typedef enum _SECTION_INHERIT
113 {
114     ViewShare = 1,
115     ViewUnmap = 2
116 } SECTION_INHERIT;
117 
118 //
119 // Pool Types
120 //
121 typedef enum _POOL_TYPE
122 {
123     NonPagedPool,
124     PagedPool,
125     NonPagedPoolMustSucceed,
126     DontUseThisType,
127     NonPagedPoolCacheAligned,
128     PagedPoolCacheAligned,
129     NonPagedPoolCacheAlignedMustS,
130     MaxPoolType,
131 
132     NonPagedPoolBase = 0,
133     NonPagedPoolBaseMustSucceed = NonPagedPoolBase + 2,
134     NonPagedPoolBaseCacheAligned = NonPagedPoolBase + 4,
135     NonPagedPoolBaseCacheAlignedMustS = NonPagedPoolBase + 6,
136 
137     NonPagedPoolSession = 32,
138     PagedPoolSession,
139     NonPagedPoolMustSucceedSession,
140     DontUseThisTypeSession,
141     NonPagedPoolCacheAlignedSession,
142     PagedPoolCacheAlignedSession,
143     NonPagedPoolCacheAlignedMustSSession
144 } POOL_TYPE;
145 
146 #endif // NTOS_MODE_USER
147 
148 //
149 // Memory Manager Page Lists
150 //
151 typedef enum _MMLISTS
152 {
153    ZeroedPageList = 0,
154    FreePageList = 1,
155    StandbyPageList = 2,
156    ModifiedPageList = 3,
157    ModifiedNoWritePageList = 4,
158    BadPageList = 5,
159    ActiveAndValid = 6,
160    TransitionPage = 7
161 } MMLISTS;
162 
163 //
164 // Per Processor Non Paged Lookaside List IDs
165 //
166 typedef enum _PP_NPAGED_LOOKASIDE_NUMBER
167 {
168     LookasideSmallIrpList = 0,
169     LookasideLargeIrpList = 1,
170     LookasideMdlList = 2,
171     LookasideCreateInfoList = 3,
172     LookasideNameBufferList = 4,
173     LookasideTwilightList = 5,
174     LookasideCompletionList = 6,
175     LookasideMaximumList = 7
176 } PP_NPAGED_LOOKASIDE_NUMBER;
177 
178 //
179 // Memory Information Classes for NtQueryVirtualMemory
180 //
181 typedef enum _MEMORY_INFORMATION_CLASS
182 {
183     MemoryBasicInformation,
184     MemoryWorkingSetList,
185     MemorySectionName,
186     MemoryBasicVlmInformation,
187     MemoryWorkingSetExList
188 } MEMORY_INFORMATION_CLASS;
189 
190 //
191 // Section Information Clasess for NtQuerySection
192 //
193 typedef enum _SECTION_INFORMATION_CLASS
194 {
195     SectionBasicInformation,
196     SectionImageInformation,
197 } SECTION_INFORMATION_CLASS;
198 
199 //
200 // Kinds of VADs
201 //
202 typedef enum _MI_VAD_TYPE
203 {
204     VadNone,
205     VadDevicePhysicalMemory,
206     VadImageMap,
207     VadAwe,
208     VadWriteWatch,
209     VadLargePages,
210     VadRotatePhysical,
211     VadLargePageSection
212 } MI_VAD_TYPE, *PMI_VAD_TYPE;
213 
214 #ifdef NTOS_MODE_USER
215 //
216 // Virtual Memory Counters
217 //
218 typedef struct _VM_COUNTERS
219 {
220     SIZE_T PeakVirtualSize;
221     SIZE_T VirtualSize;
222     ULONG PageFaultCount;
223     SIZE_T PeakWorkingSetSize;
224     SIZE_T WorkingSetSize;
225     SIZE_T QuotaPeakPagedPoolUsage;
226     SIZE_T QuotaPagedPoolUsage;
227     SIZE_T QuotaPeakNonPagedPoolUsage;
228     SIZE_T QuotaNonPagedPoolUsage;
229     SIZE_T PagefileUsage;
230     SIZE_T PeakPagefileUsage;
231 } VM_COUNTERS, *PVM_COUNTERS;
232 
233 typedef struct _VM_COUNTERS_EX
234 {
235     SIZE_T PeakVirtualSize;
236     SIZE_T VirtualSize;
237     ULONG PageFaultCount;
238     SIZE_T PeakWorkingSetSize;
239     SIZE_T WorkingSetSize;
240     SIZE_T QuotaPeakPagedPoolUsage;
241     SIZE_T QuotaPagedPoolUsage;
242     SIZE_T QuotaPeakNonPagedPoolUsage;
243     SIZE_T QuotaNonPagedPoolUsage;
244     SIZE_T PagefileUsage;
245     SIZE_T PeakPagefileUsage;
246     SIZE_T PrivateUsage;
247 } VM_COUNTERS_EX, *PVM_COUNTERS_EX;
248 #endif
249 
250 //
251 // Sub-Information Types for PFN Identity
252 //
253 typedef struct _MEMORY_FRAME_INFORMATION
254 {
255     ULONGLONG UseDescription:4;
256     ULONGLONG ListDescription:3;
257     ULONGLONG Reserved0:1;
258     ULONGLONG Pinned:1;
259     ULONGLONG DontUse:48;
260     ULONGLONG Priority:3;
261     ULONGLONG Reserved:4;
262 } MEMORY_FRAME_INFORMATION, *PMEMORY_FRAME_INFORMATION;
263 
264 typedef struct _FILEOFFSET_INFORMATION
265 {
266     ULONGLONG DontUse:9;
267     ULONGLONG Offset:48;
268     ULONGLONG Reserved:7;
269 } FILEOFFSET_INFORMATION, *PFILEOFFSET_INFORMATION;
270 
271 typedef struct _PAGEDIR_INFORMATION
272 {
273     ULONGLONG DontUse:9;
274     ULONGLONG PageDirectoryBase:48;
275     ULONGLONG Reserved:7;
276 } PAGEDIR_INFORMATION, *PPAGEDIR_INFORMATION;
277 
278 typedef struct _UNIQUE_PROCESS_INFORMATION
279 {
280     ULONGLONG DontUse:9;
281     ULONGLONG UniqueProcessKey:48;
282     ULONGLONG Reserved:7;
283 } UNIQUE_PROCESS_INFORMATION, *PUNIQUE_PROCESS_INFORMATION;
284 
285 //
286 // PFN Identity Data Structure
287 //
288 typedef struct _MMPFN_IDENTITY
289 {
290     union
291     {
292         MEMORY_FRAME_INFORMATION e1;
293         FILEOFFSET_INFORMATION e2;
294         PAGEDIR_INFORMATION e3;
295         UNIQUE_PROCESS_INFORMATION e4;
296     } u1;
297     SIZE_T PageFrameIndex;
298     union
299     {
300         struct
301         {
302             ULONG Image:1;
303             ULONG Mismatch:1;
304         } e1;
305         PVOID FileObject;
306         PVOID UniqueFileObjectKey;
307         PVOID ProtoPteAddress;
308         PVOID VirtualAddress;
309     } u2;
310 } MMPFN_IDENTITY, *PMMPFN_IDENTITY;
311 
312 //
313 // List of Working Sets
314 //
315 typedef struct _MEMORY_WORKING_SET_LIST
316 {
317     ULONG NumberOfPages;
318     ULONG WorkingSetList[1];
319 } MEMORY_WORKING_SET_LIST, *PMEMORY_WORKING_SET_LIST;
320 
321 //
322 // Memory Information Structures for NtQueryVirtualMemory
323 //
324 typedef struct
325 {
326     UNICODE_STRING SectionFileName;
327 } MEMORY_SECTION_NAME, *PMEMORY_SECTION_NAME;
328 
329 //
330 // Section Information Structures for NtQuerySection
331 //
332 typedef struct _SECTION_BASIC_INFORMATION
333 {
334     PVOID           BaseAddress;
335     ULONG           Attributes;
336     LARGE_INTEGER   Size;
337 } SECTION_BASIC_INFORMATION, *PSECTION_BASIC_INFORMATION;
338 
339 typedef struct _SECTION_IMAGE_INFORMATION
340 {
341     PVOID TransferAddress;
342     ULONG ZeroBits;
343     SIZE_T MaximumStackSize;
344     SIZE_T CommittedStackSize;
345     ULONG SubSystemType;
346     union
347     {
348         struct
349         {
350             USHORT SubSystemMinorVersion;
351             USHORT SubSystemMajorVersion;
352         };
353         ULONG SubSystemVersion;
354     };
355     ULONG GpValue;
356     USHORT ImageCharacteristics;
357     USHORT DllCharacteristics;
358     USHORT Machine;
359     BOOLEAN ImageContainsCode;
360 #if (NTDDI_VERSION >= NTDDI_LONGHORN)
361     union
362     {
363         struct
364         {
365             UCHAR ComPlusNativeReady:1;
366             UCHAR ComPlusILOnly:1;
367             UCHAR ImageDynamicallyRelocated:1;
368             UCHAR ImageMappedFlat:1;
369             UCHAR Reserved:4;
370         };
371         UCHAR ImageFlags;
372     };
373 #else
374     BOOLEAN Spare1;
375 #endif
376     ULONG LoaderFlags;
377     ULONG ImageFileSize;
378 #if (NTDDI_VERSION >= NTDDI_LONGHORN)
379     ULONG CheckSum;
380 #else
381     ULONG Reserved[1];
382 #endif
383 } SECTION_IMAGE_INFORMATION, *PSECTION_IMAGE_INFORMATION;
384 
385 #ifndef NTOS_MODE_USER
386 
387 //
388 // Section Extension Information
389 //
390 typedef struct _MMEXTEND_INFO
391 {
392     ULONGLONG CommittedSize;
393     ULONG ReferenceCount;
394 } MMEXTEND_INFO, *PMMEXTEND_INFO;
395 
396 //
397 // Segment and Segment Flags
398 //
399 typedef struct _SEGMENT_FLAGS
400 {
401     ULONG TotalNumberOfPtes4132:10;
402     ULONG ExtraSharedWowSubsections:1;
403     ULONG LargePages:1;
404     ULONG Spare:20;
405 } SEGMENT_FLAGS, *PSEGMENT_FLAGS;
406 
407 typedef struct _SEGMENT
408 {
409     struct _CONTROL_AREA *ControlArea;
410     ULONG TotalNumberOfPtes;
411     ULONG NonExtendedPtes;
412     ULONG Spare0;
413     ULONGLONG SizeOfSegment;
414     MMPTE SegmentPteTemplate;
415     ULONG NumberOfCommittedPages;
416     PMMEXTEND_INFO ExtendInfo;
417     SEGMENT_FLAGS SegmentFlags;
418     PVOID BasedAddress;
419     union
420     {
421         SIZE_T ImageCommitment;
422         PEPROCESS CreatingProcess;
423     } u1;
424     union
425     {
426         PSECTION_IMAGE_INFORMATION ImageInformation;
427         PVOID FirstMappedVa;
428     } u2;
429     PMMPTE PrototypePte;
430     MMPTE ThePtes[1];
431 } SEGMENT, *PSEGMENT;
432 
433 typedef struct _MAPPED_FILE_SEGMENT
434 {
435     struct _CONTROL_AREA *ControlArea;
436     ULONG TotalNumberOfPtes;
437     ULONG NonExtendedPtes;
438     ULONG Spare0;
439     UINT64 SizeOfSegment;
440     MMPTE SegmentPteTemplate;
441     SIZE_T NumberOfCommittedPages;
442     PMMEXTEND_INFO ExtendInfo;
443     SEGMENT_FLAGS SegmentFlags;
444     PVOID BasedAddress;
445     struct _MSUBSECTION *LastSubsectionHint;
446 } MAPPED_FILE_SEGMENT, *PMAPPED_FILE_SEGMENT;
447 
448 //
449 // Event Counter Structure
450 //
451 typedef struct _EVENT_COUNTER
452 {
453     SLIST_ENTRY ListEntry;
454     ULONG RefCount;
455     KEVENT Event;
456 } EVENT_COUNTER, *PEVENT_COUNTER;
457 
458 //
459 // Flags
460 //
461 typedef struct _MMSECTION_FLAGS
462 {
463     ULONG BeingDeleted:1;
464     ULONG BeingCreated:1;
465     ULONG BeingPurged:1;
466     ULONG NoModifiedWriting:1;
467     ULONG FailAllIo:1;
468     ULONG Image:1;
469     ULONG Based:1;
470     ULONG File:1;
471     ULONG Networked:1;
472     ULONG NoCache:1;
473     ULONG PhysicalMemory:1;
474     ULONG CopyOnWrite:1;
475     ULONG Reserve:1;
476     ULONG Commit:1;
477     ULONG FloppyMedia:1;
478     ULONG WasPurged:1;
479     ULONG UserReference:1;
480     ULONG GlobalMemory:1;
481     ULONG DeleteOnClose:1;
482     ULONG FilePointerNull:1;
483     ULONG DebugSymbolsLoaded:1;
484     ULONG SetMappedFileIoComplete:1;
485     ULONG CollidedFlush:1;
486     ULONG NoChange:1;
487     ULONG filler0:1;
488     ULONG ImageMappedInSystemSpace:1;
489     ULONG UserWritable:1;
490     ULONG Accessed:1;
491     ULONG GlobalOnlyPerSession:1;
492     ULONG Rom:1;
493     ULONG WriteCombined:1;
494     ULONG filler:1;
495 } MMSECTION_FLAGS, *PMMSECTION_FLAGS;
496 
497 typedef struct _MMSUBSECTION_FLAGS
498 {
499     ULONG ReadOnly:1;
500     ULONG ReadWrite:1;
501     ULONG SubsectionStatic:1;
502     ULONG GlobalMemory:1;
503     ULONG Protection:5;
504     ULONG Spare:1;
505     ULONG StartingSector4132:10;
506     ULONG SectorEndOffset:12;
507 } MMSUBSECTION_FLAGS, *PMMSUBSECTION_FLAGS;
508 
509 typedef struct _MMSUBSECTION_FLAGS2
510 {
511     ULONG SubsectionAccessed:1;
512     ULONG SubsectionConverted:1;
513     ULONG Reserved:30;
514 } MMSUBSECTION_FLAGS2;
515 
516 //
517 // Control Area Structures (8-byte aligned)
518 //
519 typedef struct _CONTROL_AREA
520 {
521     PSEGMENT Segment;
522     LIST_ENTRY DereferenceList;
523     ULONG NumberOfSectionReferences;
524     ULONG NumberOfPfnReferences;
525     ULONG NumberOfMappedViews;
526     ULONG NumberOfSystemCacheViews;
527     ULONG NumberOfUserReferences;
528     union
529     {
530         ULONG LongFlags;
531         MMSECTION_FLAGS Flags;
532     } u;
533     PFILE_OBJECT FilePointer;
534     PEVENT_COUNTER WaitingForDeletion;
535     USHORT ModifiedWriteCount;
536     USHORT FlushInProgressCount;
537     ULONG WritableUserReferences;
538     ULONG QuadwordPad;
539 } CONTROL_AREA, *PCONTROL_AREA;
540 C_ASSERT((sizeof(CONTROL_AREA) % 8) == 0);
541 
542 typedef struct _LARGE_CONTROL_AREA
543 {
544     PSEGMENT Segment;
545     LIST_ENTRY DereferenceList;
546     ULONG NumberOfSectionReferences;
547     ULONG NumberOfPfnReferences;
548     ULONG NumberOfMappedViews;
549     ULONG NumberOfSystemCacheViews;
550     ULONG NumberOfUserReferences;
551     union
552     {
553         ULONG LongFlags;
554         MMSECTION_FLAGS Flags;
555     } u;
556     PFILE_OBJECT FilePointer;
557     PEVENT_COUNTER WaitingForDeletion;
558     USHORT ModifiedWriteCount;
559     USHORT FlushInProgressCount;
560     ULONG WritableUserReferences;
561     ULONG QuadwordPad;
562     ULONG StartingFrame;
563     LIST_ENTRY UserGlobalList;
564     ULONG SessionId;
565 } LARGE_CONTROL_AREA, *PLARGE_CONTROL_AREA;
566 C_ASSERT((sizeof(LARGE_CONTROL_AREA) % 8) == 0);
567 
568 //
569 // Subsection and Mapped Subsection (8-byte aligned)
570 //
571 typedef struct _SUBSECTION
572 {
573     PCONTROL_AREA ControlArea;
574     union
575     {
576         ULONG LongFlags;
577         MMSUBSECTION_FLAGS SubsectionFlags;
578     } u;
579     ULONG StartingSector;
580     ULONG NumberOfFullSectors;
581     PMMPTE SubsectionBase;
582     ULONG UnusedPtes;
583     ULONG PtesInSubsection;
584     struct _SUBSECTION *NextSubsection;
585 } SUBSECTION, *PSUBSECTION;
586 C_ASSERT((sizeof(SUBSECTION) % 8) == 0);
587 
588 typedef struct _MSUBSECTION
589 {
590     PCONTROL_AREA ControlArea;
591     union
592     {
593         ULONG LongFlags;
594         MMSUBSECTION_FLAGS SubsectionFlags;
595     } u;
596     ULONG StartingSector;
597     ULONG NumberOfFullSectors;
598     PMMPTE SubsectionBase;
599     ULONG UnusedPtes;
600     ULONG PtesInSubsection;
601     struct _SUBSECTION *NextSubsection;
602     LIST_ENTRY DereferenceList;
603     ULONG_PTR NumberOfMappedViews;
604     union
605     {
606         ULONG LongFlags2;
607         MMSUBSECTION_FLAGS2 SubsectionFlags2;
608     } u2;
609 } MSUBSECTION, *PMSUBSECTION;
610 C_ASSERT((sizeof(MSUBSECTION) % 8) == 0);
611 
612 //
613 // Segment Object
614 //
615 typedef struct _SEGMENT_OBJECT
616 {
617     PVOID BaseAddress;
618     ULONG TotalNumberOfPtes;
619     LARGE_INTEGER SizeOfSegment;
620     ULONG NonExtendedPtes;
621     ULONG ImageCommitment;
622     PCONTROL_AREA ControlArea;
623     PSUBSECTION Subsection;
624     PLARGE_CONTROL_AREA LargeControlArea;
625     PMMSECTION_FLAGS MmSectionFlags;
626     PMMSUBSECTION_FLAGS MmSubSectionFlags;
627 } SEGMENT_OBJECT, *PSEGMENT_OBJECT;
628 
629 //
630 // Generic Address Range Structure
631 //
632 typedef struct _ADDRESS_RANGE
633 {
634     ULONG BaseAddrLow;
635     ULONG BaseAddrHigh;
636     ULONG LengthLow;
637     ULONG LengthHigh;
638     ULONG Type;
639 } ADDRESS_RANGE, *PADDRESS_RANGE;
640 
641 //
642 // Node in Memory Manager's AVL Table
643 //
644 typedef struct _MMADDRESS_NODE
645 {
646     union
647     {
648         LONG_PTR Balance:2;
649         struct _MMADDRESS_NODE *Parent;
650     } u1;
651     struct _MMADDRESS_NODE *LeftChild;
652     struct _MMADDRESS_NODE *RightChild;
653     ULONG_PTR StartingVpn;
654     ULONG_PTR EndingVpn;
655 } MMADDRESS_NODE, *PMMADDRESS_NODE;
656 
657 //
658 // Memory Manager AVL Table for VADs and other descriptors
659 //
660 typedef struct _MM_AVL_TABLE
661 {
662     MMADDRESS_NODE BalancedRoot;
663     ULONG_PTR DepthOfTree:5;
664     ULONG_PTR Unused:3;
665 #ifdef _WIN64
666     ULONG_PTR NumberGenericTableElements:56;
667 #else
668     ULONG_PTR NumberGenericTableElements:24;
669 #endif
670     PVOID NodeHint;
671     PVOID NodeFreeHint;
672 } MM_AVL_TABLE, *PMM_AVL_TABLE;
673 
674 //
675 // Virtual Address List used in VADs
676 //
677 typedef struct _MMADDRESS_LIST
678 {
679     ULONG_PTR StartVpn;
680     ULONG_PTR EndVpn;
681 } MMADDRESS_LIST, *PMMADDRESS_LIST;
682 
683 //
684 // Flags used in the VAD
685 //
686 typedef struct _MMVAD_FLAGS
687 {
688 #ifdef _WIN64
689     ULONG_PTR CommitCharge:51;
690 #else
691     ULONG_PTR CommitCharge:19;
692 #endif
693     ULONG_PTR NoChange:1;
694     ULONG_PTR VadType:3;
695     ULONG_PTR MemCommit:1;
696     ULONG_PTR Protection:5;
697     ULONG_PTR Spare:2;
698     ULONG_PTR PrivateMemory:1;
699 } MMVAD_FLAGS, *PMMVAD_FLAGS;
700 
701 //
702 // Extended flags used in the VAD
703 //
704 typedef struct _MMVAD_FLAGS2
705 {
706     ULONG FileOffset:24;
707     ULONG SecNoChange:1;
708     ULONG OneSecured:1;
709     ULONG MultipleSecured:1;
710     ULONG ReadOnly:1;
711     ULONG LongVad:1;
712     ULONG ExtendableFile:1;
713     ULONG Inherit:1;
714     ULONG CopyOnWrite:1;
715 } MMVAD_FLAGS2, *PMMVAD_FLAGS2;
716 
717 //
718 // Virtual Address Descriptor (VAD) Structure
719 //
720 typedef struct _MMVAD
721 {
722     union
723     {
724         LONG_PTR Balance:2;
725         struct _MMVAD *Parent;
726     } u1;
727     struct _MMVAD *LeftChild;
728     struct _MMVAD *RightChild;
729     ULONG_PTR StartingVpn;
730     ULONG_PTR EndingVpn;
731     union
732     {
733         ULONG_PTR LongFlags;
734         MMVAD_FLAGS VadFlags;
735     } u;
736     PCONTROL_AREA ControlArea;
737     PMMPTE FirstPrototypePte;
738     PMMPTE LastContiguousPte;
739     union
740     {
741         ULONG LongFlags2;
742         MMVAD_FLAGS2 VadFlags2;
743     } u2;
744 } MMVAD, *PMMVAD;
745 
746 //
747 // Long VAD used in section and private allocations
748 //
749 typedef struct _MMVAD_LONG
750 {
751     union
752     {
753         LONG_PTR Balance:2;
754         PMMVAD Parent;
755     } u1;
756     PMMVAD LeftChild;
757     PMMVAD RightChild;
758     ULONG_PTR StartingVpn;
759     ULONG_PTR EndingVpn;
760     union
761     {
762         ULONG_PTR LongFlags;
763         MMVAD_FLAGS VadFlags;
764     } u;
765     PCONTROL_AREA ControlArea;
766     PMMPTE FirstPrototypePte;
767     PMMPTE LastContiguousPte;
768     union
769     {
770         ULONG LongFlags2;
771         MMVAD_FLAGS2 VadFlags2;
772     } u2;
773     union
774     {
775         LIST_ENTRY List;
776         MMADDRESS_LIST Secured;
777     } u3;
778     union
779     {
780         PVOID Banked;
781         PMMEXTEND_INFO ExtendedInfo;
782     } u4;
783 } MMVAD_LONG, *PMMVAD_LONG;
784 
785 //
786 // Short VAD used in virtual memory allocations
787 //
788 typedef struct _MMVAD_SHORT
789 {
790     union
791     {
792         LONG_PTR Balance:2;
793         PMMVAD Parent;
794     } u1;
795     PMMVAD LeftChild;
796     PMMVAD RightChild;
797     ULONG_PTR StartingVpn;
798     ULONG_PTR EndingVpn;
799     union
800     {
801         ULONG_PTR LongFlags;
802         MMVAD_FLAGS VadFlags;
803     } u;
804 } MMVAD_SHORT, *PMMVAD_SHORT;
805 
806 //
807 // Actual Section Object
808 //
809 typedef struct _SECTION
810 {
811     MMADDRESS_NODE Address;
812     PSEGMENT Segment;
813     LARGE_INTEGER SizeOfSection;
814     union
815     {
816         ULONG LongFlags;
817         MMSECTION_FLAGS Flags;
818     } u;
819     ULONG InitialPageProtection;
820 } SECTION, *PSECTION;
821 
822 //
823 // Memory Manager Working Set Structures
824 //
825 typedef struct _MMWSLENTRY
826 {
827     ULONG_PTR Valid:1;
828     ULONG_PTR LockedInWs:1;
829     ULONG_PTR LockedInMemory:1;
830     ULONG_PTR Protection:5;
831     ULONG_PTR Hashed:1;
832     ULONG_PTR Direct:1;
833     ULONG_PTR Age:2;
834     ULONG_PTR VirtualPageNumber: MM_PAGE_FRAME_NUMBER_SIZE;
835 } MMWSLENTRY, *PMMWSLENTRY;
836 
837 typedef struct _MMWSLE_FREE_ENTRY
838 {
839     ULONG MustBeZero:1;
840 #ifdef _WIN64
841     ULONG PreviousFree: 31;
842     LONG NextFree;
843 #define MMWSLE_PREVIOUS_FREE_MASK 0x7FFFFFFF
844 #else
845     ULONG PreviousFree: 11;
846 #define MMWSLE_PREVIOUS_FREE_MASK 0x7FF
847 #define MMWSLE_PREVIOUS_FREE_JUMP 0x800
848     LONG NextFree: 20;
849 #endif
850 } MMWSLE_FREE_ENTRY, *PMMWSLE_FREE_ENTRY;
851 
852 typedef struct _MMWSLE
853 {
854     union
855     {
856         PVOID VirtualAddress;
857         ULONG_PTR Long;
858         MMWSLENTRY e1;
859         MMWSLE_FREE_ENTRY Free;
860     } u1;
861 } MMWSLE, *PMMWSLE;
862 
863 typedef struct _MMWSLE_HASH
864 {
865     PVOID Key;
866     ULONG Index;
867 } MMWSLE_HASH, *PMMWSLE_HASH;
868 
869 typedef struct _MMWSL
870 {
871     ULONG FirstFree;
872     ULONG FirstDynamic;
873     ULONG LastEntry;
874     ULONG NextSlot;
875     PMMWSLE Wsle;
876     ULONG LastInitializedWsle;
877     ULONG NonDirectCount;
878     PMMWSLE_HASH HashTable;
879     ULONG HashTableSize;
880     ULONG NumberOfCommittedPageTables;
881     PVOID HashTableStart;
882     PVOID HighestPermittedHashAddress;
883     ULONG NumberOfImageWaiters;
884     ULONG VadBitMapHint;
885 #ifndef _M_AMD64
886     USHORT UsedPageTableEntries[768];
887     ULONG CommittedPageTables[24];
888 #else
889     VOID* HighestUserAddress;
890     ULONG MaximumUserPageTablePages;
891     ULONG MaximumUserPageDirectoryPages;
892     ULONG* CommittedPageTables;
893     ULONG NumberOfCommittedPageDirectories;
894     ULONG* CommittedPageDirectories;
895     ULONG NumberOfCommittedPageDirectoryParents;
896     ULONGLONG CommittedPageDirectoryParents[1];
897 #endif
898 } MMWSL, *PMMWSL;
899 
900 //
901 // Flags for Memory Support Structure
902 //
903 typedef struct _MMSUPPORT_FLAGS
904 {
905     ULONG SessionSpace:1;
906     ULONG BeingTrimmed:1;
907     ULONG SessionLeader:1;
908     ULONG TrimHard:1;
909     ULONG MaximumWorkingSetHard:1;
910     ULONG ForceTrim:1;
911     ULONG MinimumWorkingSetHard:1;
912     ULONG Available0:1;
913     ULONG MemoryPriority:8;
914     ULONG GrowWsleHash:1;
915     ULONG AcquiredUnsafe:1;
916     ULONG Available:14;
917 } MMSUPPORT_FLAGS, *PMMSUPPORT_FLAGS;
918 
919 //
920 // Per-Process Memory Manager Data
921 //
922 typedef struct _MMSUPPORT
923 {
924 #if (NTDDI_VERSION >= NTDDI_WS03)
925     LIST_ENTRY WorkingSetExpansionLinks;
926 #endif
927 #if (NTDDI_VERSION >= NTDDI_LONGHORN)
928     USHORT LastTrimpStamp;
929     USHORT NextPageColor;
930 #else
931     LARGE_INTEGER LastTrimTime;
932 #endif
933     MMSUPPORT_FLAGS Flags;
934     ULONG PageFaultCount;
935     ULONG PeakWorkingSetSize;
936 #if (NTDDI_VERSION >= NTDDI_LONGHORN)
937     ULONG Spare0;
938 #else
939     ULONG GrowthSinceLastEstimate;
940 #endif
941     ULONG MinimumWorkingSetSize;
942     ULONG MaximumWorkingSetSize;
943     PMMWSL VmWorkingSetList;
944 #if (NTDDI_VERSION < NTDDI_WS03)
945     LIST_ENTRY WorkingSetExpansionLinks;
946 #endif
947     ULONG Claim;
948 #if (NTDDI_VERSION >= NTDDI_LONGHORN)
949     ULONG Spare;
950     ULONG WorkingSetPrivateSize;
951     ULONG WorkingSetSizeOverhead;
952 #else
953     ULONG NextEstimationSlot;
954     ULONG NextAgingSlot;
955     ULONG EstimatedAvailable;
956 #endif
957     ULONG WorkingSetSize;
958 #if (NTDDI_VERSION >= NTDDI_LONGHORN)
959     PKEVENT ExitEvent;
960 #endif
961     EX_PUSH_LOCK WorkingSetMutex;
962 #if (NTDDI_VERSION >= NTDDI_LONGHORN)
963     PVOID AccessLog;
964 #endif
965 } MMSUPPORT, *PMMSUPPORT;
966 
967 //
968 // Memory Information Types
969 //
970 typedef struct _MEMORY_BASIC_INFORMATION
971 {
972     PVOID BaseAddress;
973     PVOID AllocationBase;
974     ULONG AllocationProtect;
975     SIZE_T RegionSize;
976     ULONG State;
977     ULONG Protect;
978     ULONG Type;
979 } MEMORY_BASIC_INFORMATION,*PMEMORY_BASIC_INFORMATION;
980 
981 //
982 // Driver Verifier Data
983 //
984 typedef struct _MM_DRIVER_VERIFIER_DATA
985 {
986     ULONG Level;
987     ULONG RaiseIrqls;
988     ULONG AcquireSpinLocks;
989     ULONG SynchronizeExecutions;
990     ULONG AllocationsAttempted;
991     ULONG AllocationsSucceeded;
992     ULONG AllocationsSucceededSpecialPool;
993     ULONG AllocationsWithNoTag;
994     ULONG TrimRequests;
995     ULONG Trims;
996     ULONG AllocationsFailed;
997     ULONG AllocationsFailedDeliberately;
998     ULONG Loads;
999     ULONG Unloads;
1000     ULONG UnTrackedPool;
1001     ULONG UserTrims;
1002     ULONG CurrentPagedPoolAllocations;
1003     ULONG CurrentNonPagedPoolAllocations;
1004     ULONG PeakPagedPoolAllocations;
1005     ULONG PeakNonPagedPoolAllocations;
1006     ULONG PagedBytes;
1007     ULONG NonPagedBytes;
1008     ULONG PeakPagedBytes;
1009     ULONG PeakNonPagedBytes;
1010     ULONG BurstAllocationsFailedDeliberately;
1011     ULONG SessionTrims;
1012     ULONG Reserved[2];
1013 } MM_DRIVER_VERIFIER_DATA, *PMM_DRIVER_VERIFIER_DATA;
1014 
1015 //
1016 // Internal Driver Verifier Table Data
1017 //
1018 typedef struct _DRIVER_SPECIFIED_VERIFIER_THUNKS
1019 {
1020     LIST_ENTRY ListEntry;
1021     struct _LDR_DATA_TABLE_ENTRY *DataTableEntry;
1022     ULONG NumberOfThunks;
1023 } DRIVER_SPECIFIED_VERIFIER_THUNKS, *PDRIVER_SPECIFIED_VERIFIER_THUNKS;
1024 
1025 #ifdef __cplusplus
1026 extern "C" {
1027 #endif
1028 
1029 //
1030 // Default heap size values.  For user mode, these values are copied to a new
1031 // process's PEB by the kernel in MmCreatePeb.  In kernel mode, RtlCreateHeap
1032 // reads these variables directly.
1033 //
1034 // These variables should be considered "const"; they are written only once,
1035 // during MmInitSystem.
1036 //
1037 extern SIZE_T MmHeapSegmentReserve;
1038 extern SIZE_T MmHeapSegmentCommit;
1039 extern SIZE_T MmHeapDeCommitTotalFreeThreshold;
1040 extern SIZE_T MmHeapDeCommitFreeBlockThreshold;
1041 
1042 //
1043 // Section Object Type
1044 //
1045 extern POBJECT_TYPE NTSYSAPI MmSectionObjectType;
1046 
1047 #ifdef __cplusplus
1048 }; // extern "C"
1049 #endif
1050 
1051 #endif // !NTOS_MODE_USER
1052 
1053 #ifdef __cplusplus
1054 } // extern "C"
1055 #endif
1056 
1057 #endif // _MMTYPES_H
1058