VirtualBox

source: vbox/trunk/include/VBox/mm.h@ 7409

Last change on this file since 7409 was 7354, checked in by vboxsync, 17 years ago

RT_MP_MAX_CPU -> RTCPUSET_MAX_CPUS (/ MAXIMUM_PROCESSORS). Added the new RTMp functions to NT.
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File size: 13.9 KB
Line 
1/** @file
2 * MM - The Memory Manager.
3 */
4
5/*
6 * Copyright (C) 2006-2007 innotek GmbH
7 *
8 * This file is part of VirtualBox Open Source Edition (OSE), as
9 * available from http://www.virtualbox.org. This file is free software;
10 * you can redistribute it and/or modify it under the terms of the GNU
11 * General Public License (GPL) as published by the Free Software
12 * Foundation, in version 2 as it comes in the "COPYING" file of the
13 * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
14 * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
15 *
16 * The contents of this file may alternatively be used under the terms
17 * of the Common Development and Distribution License Version 1.0
18 * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
19 * VirtualBox OSE distribution, in which case the provisions of the
20 * CDDL are applicable instead of those of the GPL.
21 *
22 * You may elect to license modified versions of this file under the
23 * terms and conditions of either the GPL or the CDDL or both.
24 */
25
26#ifndef ___VBox_mm_h
27#define ___VBox_mm_h
28
29#include <VBox/cdefs.h>
30#include <VBox/types.h>
31#include <VBox/x86.h>
32#include <VBox/sup.h>
33
34
35__BEGIN_DECLS
36
37/** @defgroup grp_mm The Memory Manager API
38 * @{
39 */
40
41/** @name RAM Page Flags
42 * Since internal ranges have a byte granularity it's possible for a
43 * page be flagged for several uses. The access virtualization in PGM
44 * will choose the most restricted one and use EM to emulate access to
45 * the less restricted areas of the page.
46 *
47 * Bits 0-11 only since they are fitted into the offset part of a physical memory address.
48 * @{
49 */
50#if 1
51/** Reserved - Not RAM, ROM nor MMIO2.
52 * If this bit is cleared the memory is assumed to be some kind of RAM.
53 * Normal MMIO may set it but that depends on whether the RAM range was
54 * created specially for the MMIO or not.
55 *
56 * @remarks The current implementation will always reserve backing
57 * memory for reserved ranges to simplify things.
58 */
59#define MM_RAM_FLAGS_RESERVED RT_BIT(0)
60/** ROM - Read Only Memory.
61 * The page have a HC physical address which contains the BIOS code. All write
62 * access is trapped and ignored.
63 *
64 * HACK: Writable shadow ROM is indicated by both ROM and MMIO2 being
65 * set. (We're out of bits.)
66 */
67#define MM_RAM_FLAGS_ROM RT_BIT(1)
68/** MMIO - Memory Mapped I/O.
69 * All access is trapped and emulated. No physical backing is required, but
70 * might for various reasons be present.
71 */
72#define MM_RAM_FLAGS_MMIO RT_BIT(2)
73/** MMIO2 - Memory Mapped I/O, variation 2.
74 * The virtualization is performed using real memory and only catching
75 * a few accesses for like keeping track for dirty pages.
76 * @remark Involved in the shadow ROM hack.
77 */
78#define MM_RAM_FLAGS_MMIO2 RT_BIT(3)
79#endif
80
81#ifndef VBOX_WITH_NEW_PHYS_CODE
82/** Physical backing memory is allocated dynamically. Not set implies a one time static allocation. */
83#define MM_RAM_FLAGS_DYNAMIC_ALLOC RT_BIT(11)
84#endif /* !VBOX_WITH_NEW_PHYS_CODE */
85
86/** The shift used to get the reference count. */
87#define MM_RAM_FLAGS_CREFS_SHIFT 62
88/** The mask applied to the the page pool idx after using MM_RAM_FLAGS_CREFS_SHIFT to shift it down. */
89#define MM_RAM_FLAGS_CREFS_MASK 0x3
90/** The (shifted) cRef value used to indiciate that the idx is the head of a
91 * physical cross reference extent list. */
92#define MM_RAM_FLAGS_CREFS_PHYSEXT MM_RAM_FLAGS_CREFS_MASK
93/** The shift used to get the page pool idx. (Apply MM_RAM_FLAGS_IDX_MASK to the result when shifting down). */
94#define MM_RAM_FLAGS_IDX_SHIFT 48
95/** The mask applied to the the page pool idx after using MM_RAM_FLAGS_IDX_SHIFT to shift it down. */
96#define MM_RAM_FLAGS_IDX_MASK 0x3fff
97/** The idx value when we're out of of extents or there are simply too many mappings of this page. */
98#define MM_RAM_FLAGS_IDX_OVERFLOWED MM_RAM_FLAGS_IDX_MASK
99
100/** Mask for masking off any references to the page. */
101#define MM_RAM_FLAGS_NO_REFS_MASK UINT64_C(0x0000ffffffffffff)
102/** @} */
103
104#ifndef VBOX_WITH_NEW_PHYS_CODE
105/** @name MMR3PhysRegisterEx registration type
106 * @{
107 */
108typedef enum
109{
110 /** Normal physical region (flags specify exact page type) */
111 MM_PHYS_TYPE_NORMAL = 0,
112 /** Allocate part of a dynamically allocated physical region */
113 MM_PHYS_TYPE_DYNALLOC_CHUNK,
114
115 MM_PHYS_TYPE_32BIT_HACK = 0x7fffffff
116} MMPHYSREG;
117/** @} */
118#endif
119
120/**
121 * Memory Allocation Tags.
122 * For use with MMHyperAlloc(), MMR3HeapAlloc(), MMR3HeapAllocEx(),
123 * MMR3HeapAllocZ() and MMR3HeapAllocZEx().
124 *
125 * @remark Don't forget to update the dump command in MMHeap.cpp!
126 */
127typedef enum MMTAG
128{
129 MM_TAG_INVALID = 0,
130
131 MM_TAG_CFGM,
132 MM_TAG_CFGM_BYTES,
133 MM_TAG_CFGM_STRING,
134 MM_TAG_CFGM_USER,
135
136 MM_TAG_CSAM,
137 MM_TAG_CSAM_PATCH,
138
139 MM_TAG_DBGF,
140 MM_TAG_DBGF_INFO,
141 MM_TAG_DBGF_LINE,
142 MM_TAG_DBGF_LINE_DUP,
143 MM_TAG_DBGF_STACK,
144 MM_TAG_DBGF_SYMBOL,
145 MM_TAG_DBGF_SYMBOL_DUP,
146 MM_TAG_DBGF_MODULE,
147
148 MM_TAG_EM,
149
150 MM_TAG_IOM,
151 MM_TAG_IOM_STATS,
152
153 MM_TAG_MM,
154 MM_TAG_MM_LOOKUP_GUEST,
155 MM_TAG_MM_LOOKUP_PHYS,
156 MM_TAG_MM_LOOKUP_VIRT,
157 MM_TAG_MM_PAGE,
158
159 MM_TAG_PATM,
160 MM_TAG_PATM_PATCH,
161
162 MM_TAG_PDM,
163 MM_TAG_PDM_ASYNC_COMPLETION,
164 MM_TAG_PDM_DEVICE,
165 MM_TAG_PDM_DEVICE_USER,
166 MM_TAG_PDM_DRIVER,
167 MM_TAG_PDM_DRIVER_USER,
168 MM_TAG_PDM_USB,
169 MM_TAG_PDM_USB_USER,
170 MM_TAG_PDM_LUN,
171 MM_TAG_PDM_QUEUE,
172 MM_TAG_PDM_THREAD,
173
174 MM_TAG_PGM,
175 MM_TAG_PGM_CHUNK_MAPPING,
176 MM_TAG_PGM_HANDLERS,
177 MM_TAG_PGM_PHYS,
178 MM_TAG_PGM_POOL,
179
180 MM_TAG_REM,
181
182 MM_TAG_SELM,
183
184 MM_TAG_SSM,
185
186 MM_TAG_STAM,
187
188 MM_TAG_TM,
189
190 MM_TAG_TRPM,
191
192 MM_TAG_VM,
193 MM_TAG_VM_REQ,
194
195 MM_TAG_VMM,
196
197 MM_TAG_HWACCM,
198
199 MM_TAG_32BIT_HACK = 0x7fffffff
200} MMTAG;
201
202
203
204
205/** @defgroup grp_mm_hyper Hypervisor Memory Management
206 * @ingroup grp_mm
207 * @{ */
208
209MMDECL(RTR3PTR) MMHyperR0ToR3(PVM pVM, RTR0PTR R0Ptr);
210MMDECL(RTGCPTR) MMHyperR0ToGC(PVM pVM, RTR0PTR R0Ptr);
211#ifndef IN_RING0
212MMDECL(void *) MMHyperR0ToCC(PVM pVM, RTR0PTR R0Ptr);
213#endif
214MMDECL(RTR0PTR) MMHyperR3ToR0(PVM pVM, RTR3PTR R3Ptr);
215MMDECL(RTGCPTR) MMHyperR3ToGC(PVM pVM, RTR3PTR R3Ptr);
216MMDECL(RTR3PTR) MMHyperGCToR3(PVM pVM, RTGCPTR GCPtr);
217MMDECL(RTR0PTR) MMHyperGCToR0(PVM pVM, RTGCPTR GCPtr);
218
219#ifndef IN_RING3
220MMDECL(void *) MMHyperR3ToCC(PVM pVM, RTR3PTR R3Ptr);
221#else
222DECLINLINE(void *) MMHyperR3ToCC(PVM pVM, RTR3PTR R3Ptr)
223{
224 NOREF(pVM);
225 return R3Ptr;
226}
227#endif
228
229
230#ifndef IN_GC
231MMDECL(void *) MMHyperGCToCC(PVM pVM, RTGCPTR GCPtr);
232#else
233DECLINLINE(void *) MMHyperGCToCC(PVM pVM, RTGCPTR GCPtr)
234{
235 NOREF(pVM);
236 return GCPtr;
237}
238#endif
239
240#ifndef IN_RING3
241MMDECL(RTR3PTR) MMHyperCCToR3(PVM pVM, void *pv);
242#else
243DECLINLINE(RTR3PTR) MMHyperCCToR3(PVM pVM, void *pv)
244{
245 NOREF(pVM);
246 return pv;
247}
248#endif
249
250#ifndef IN_RING0
251MMDECL(RTR0PTR) MMHyperCCToR0(PVM pVM, void *pv);
252#else
253DECLINLINE(RTR0PTR) MMHyperCCToR0(PVM pVM, void *pv)
254{
255 NOREF(pVM);
256 return pv;
257}
258#endif
259
260#ifndef IN_GC
261MMDECL(RTGCPTR) MMHyperCCToGC(PVM pVM, void *pv);
262#else
263DECLINLINE(RTGCPTR) MMHyperCCToGC(PVM pVM, void *pv)
264{
265 NOREF(pVM);
266 return pv;
267}
268#endif
269
270
271#ifdef IN_GC
272MMDECL(RTHCPTR) MMHyper2HC(PVM pVM, uintptr_t Ptr);
273#else
274DECLINLINE(RTHCPTR) MMHyper2HC(PVM pVM, uintptr_t Ptr)
275{
276 NOREF(pVM);
277 return (RTHCPTR)Ptr;
278}
279#endif
280
281#ifndef IN_GC
282MMDECL(RTGCPTR) MMHyper2GC(PVM pVM, uintptr_t Ptr);
283#else
284DECLINLINE(RTGCPTR) MMHyper2GC(PVM pVM, uintptr_t Ptr)
285{
286 NOREF(pVM);
287 return (RTGCPTR)Ptr;
288}
289#endif
290
291MMDECL(RTGCPTR) MMHyperHC2GC(PVM pVM, RTHCPTR HCPtr);
292MMDECL(RTHCPTR) MMHyperGC2HC(PVM pVM, RTGCPTR GCPtr);
293MMDECL(int) MMHyperAlloc(PVM pVM, size_t cb, uint32_t uAlignment, MMTAG enmTag, void **ppv);
294MMDECL(int) MMHyperFree(PVM pVM, void *pv);
295#ifdef DEBUG
296MMDECL(void) MMHyperHeapDump(PVM pVM);
297#endif
298MMDECL(size_t) MMHyperHeapGetFreeSize(PVM pVM);
299MMDECL(size_t) MMHyperHeapGetSize(PVM pVM);
300MMDECL(RTGCPTR) MMHyperGetArea(PVM pVM, size_t *pcb);
301MMDECL(bool) MMHyperIsInsideArea(PVM pVM, RTGCPTR GCPtr);
302
303
304MMDECL(RTHCPHYS) MMPage2Phys(PVM pVM, void *pvPage);
305MMDECL(void *) MMPagePhys2Page(PVM pVM, RTHCPHYS HCPhysPage);
306MMDECL(int) MMPagePhys2PageEx(PVM pVM, RTHCPHYS HCPhysPage, void **ppvPage);
307MMDECL(int) MMPagePhys2PageTry(PVM pVM, RTHCPHYS HCPhysPage, void **ppvPage);
308MMDECL(void *) MMPhysGCPhys2HCVirt(PVM pVM, RTGCPHYS GCPhys, RTUINT cbRange);
309
310
311/** @def MMHYPER_GC_ASSERT_GCPTR
312 * Asserts that an address is either NULL or inside the hypervisor memory area.
313 * This assertion only works while IN_GC, it's a NOP everywhere else.
314 * @thread The Emulation Thread.
315 */
316#ifdef IN_GC
317# define MMHYPER_GC_ASSERT_GCPTR(pVM, GCPtr) Assert(MMHyperIsInsideArea((pVM), (GCPtr)) || !(GCPtr))
318#else
319# define MMHYPER_GC_ASSERT_GCPTR(pVM, GCPtr) do { } while (0)
320#endif
321
322/** @} */
323
324
325#ifdef IN_RING3
326/** @defgroup grp_mm_r3 The MM Host Context Ring-3 API
327 * @ingroup grp_mm
328 * @{
329 */
330
331MMR3DECL(int) MMR3InitUVM(PUVM pUVM);
332MMR3DECL(int) MMR3Init(PVM pVM);
333MMR3DECL(int) MMR3InitPaging(PVM pVM);
334MMR3DECL(int) MMR3HyperInitFinalize(PVM pVM);
335MMR3DECL(int) MMR3Term(PVM pVM);
336MMR3DECL(void) MMR3TermUVM(PUVM pUVM);
337MMR3DECL(void) MMR3Reset(PVM pVM);
338MMR3DECL(int) MMR3IncreaseBaseReservation(PVM pVM, uint64_t cAddBasePages);
339MMR3DECL(int) MMR3IncreaseFixedReservation(PVM pVM, uint32_t cAddFixedPages);
340MMR3DECL(int) MMR3UpdateShadowReservation(PVM pVM, uint32_t cShadowPages);
341
342MMR3DECL(int) MMR3HCPhys2HCVirt(PVM pVM, RTHCPHYS HCPhys, void **ppv);
343MMR3DECL(int) MMR3ReadGCVirt(PVM pVM, void *pvDst, RTGCPTR GCPtr, size_t cb);
344MMR3DECL(int) MMR3WriteGCVirt(PVM pVM, RTGCPTR GCPtrDst, const void *pvSrc, size_t cb);
345
346
347/** @defgroup grp_mm_r3_hyper Hypervisor Memory Manager (HC R3 Portion)
348 * @ingroup grp_mm_r3
349 * @{ */
350MMDECL(int) MMR3HyperAllocOnceNoRel(PVM pVM, size_t cb, uint32_t uAlignment, MMTAG enmTag, void **ppv);
351MMR3DECL(int) MMR3HyperMapHCPhys(PVM pVM, void *pvHC, RTHCPHYS HCPhys, size_t cb, const char *pszDesc, PRTGCPTR pGCPtr);
352MMR3DECL(int) MMR3HyperMapGCPhys(PVM pVM, RTGCPHYS GCPhys, size_t cb, const char *pszDesc, PRTGCPTR pGCPtr);
353MMR3DECL(int) MMR3HyperMapHCRam(PVM pVM, void *pvHC, size_t cb, bool fFree, const char *pszDesc, PRTGCPTR pGCPtr);
354MMR3DECL(int) MMR3HyperMapPages(PVM pVM, void *pvR3, RTR0PTR pvR0, size_t cPages, PCSUPPAGE paPages, const char *pszDesc, PRTGCPTR pGCPtr);
355MMR3DECL(int) MMR3HyperReserve(PVM pVM, unsigned cb, const char *pszDesc, PRTGCPTR pGCPtr);
356MMR3DECL(RTHCPHYS) MMR3HyperHCVirt2HCPhys(PVM pVM, void *pvHC);
357MMR3DECL(int) MMR3HyperHCVirt2HCPhysEx(PVM pVM, void *pvHC, PRTHCPHYS pHCPhys);
358MMR3DECL(void *) MMR3HyperHCPhys2HCVirt(PVM pVM, RTHCPHYS HCPhys);
359MMR3DECL(int) MMR3HyperHCPhys2HCVirtEx(PVM pVM, RTHCPHYS HCPhys, void **ppv);
360MMR3DECL(int) MMR3HyperReadGCVirt(PVM pVM, void *pvDst, RTGCPTR GCPtr, size_t cb);
361/** @} */
362
363
364/** @defgroup grp_mm_phys Guest Physical Memory Manager
365 * @ingroup grp_mm_r3
366 * @{ */
367MMR3DECL(int) MMR3PhysRegister(PVM pVM, void *pvRam, RTGCPHYS GCPhys, unsigned cb, unsigned fFlags, const char *pszDesc);
368#ifndef VBOX_WITH_NEW_PHYS_CODE
369MMR3DECL(int) MMR3PhysRegisterEx(PVM pVM, void *pvRam, RTGCPHYS GCPhys, unsigned cb, unsigned fFlags, MMPHYSREG enmType, const char *pszDesc);
370#endif
371MMR3DECL(int) MMR3PhysRelocate(PVM pVM, RTGCPHYS GCPhysOld, RTGCPHYS GCPhysNew, unsigned cb);
372MMR3DECL(int) MMR3PhysRomRegister(PVM pVM, PPDMDEVINS pDevIns, RTGCPHYS GCPhys, RTUINT cbRange, const void *pvBinary, bool fShadow, const char *pszDesc);
373MMR3DECL(int) MMR3PhysRomProtect(PVM pVM, RTGCPHYS GCPhys, RTUINT cbRange);
374MMR3DECL(int) MMR3PhysReserve(PVM pVM, RTGCPHYS GCPhys, RTUINT cbRange, const char *pszDesc);
375MMR3DECL(uint64_t) MMR3PhysGetRamSize(PVM pVM);
376/** @} */
377
378
379/** @defgroup grp_mm_page Physical Page Pool
380 * @ingroup grp_mm_r3
381 * @{ */
382MMR3DECL(void *) MMR3PageAlloc(PVM pVM);
383MMR3DECL(RTHCPHYS) MMR3PageAllocPhys(PVM pVM);
384MMR3DECL(void) MMR3PageFree(PVM pVM, void *pvPage);
385MMR3DECL(void *) MMR3PageAllocLow(PVM pVM);
386MMR3DECL(void) MMR3PageFreeLow(PVM pVM, void *pvPage);
387MMR3DECL(void) MMR3PageFreeByPhys(PVM pVM, RTHCPHYS HCPhysPage);
388MMR3DECL(void *) MMR3PageDummyHCPtr(PVM pVM);
389MMR3DECL(RTHCPHYS) MMR3PageDummyHCPhys(PVM pVM);
390/** @} */
391
392
393/** @defgroup grp_mm_heap Heap Manager
394 * @ingroup grp_mm_r3
395 * @{ */
396MMR3DECL(void *) MMR3HeapAlloc(PVM pVM, MMTAG enmTag, size_t cbSize);
397MMR3DECL(void *) MMR3HeapAllocU(PUVM pUVM, MMTAG enmTag, size_t cbSize);
398MMR3DECL(int) MMR3HeapAllocEx(PVM pVM, MMTAG enmTag, size_t cbSize, void **ppv);
399MMR3DECL(int) MMR3HeapAllocExU(PUVM pUVM, MMTAG enmTag, size_t cbSize, void **ppv);
400MMR3DECL(void *) MMR3HeapAllocZ(PVM pVM, MMTAG enmTag, size_t cbSize);
401MMR3DECL(void *) MMR3HeapAllocZU(PUVM pUVM, MMTAG enmTag, size_t cbSize);
402MMR3DECL(int) MMR3HeapAllocZEx(PVM pVM, MMTAG enmTag, size_t cbSize, void **ppv);
403MMR3DECL(int) MMR3HeapAllocZExU(PUVM pUVM, MMTAG enmTag, size_t cbSize, void **ppv);
404MMR3DECL(void *) MMR3HeapRealloc(void *pv, size_t cbNewSize);
405MMR3DECL(char *) MMR3HeapStrDup(PVM pVM, MMTAG enmTag, const char *psz);
406MMR3DECL(char *) MMR3HeapStrDupU(PUVM pUVM, MMTAG enmTag, const char *psz);
407MMR3DECL(void) MMR3HeapFree(void *pv);
408/** @} */
409
410/** @} */
411#endif /* IN_RING3 */
412
413
414
415#ifdef IN_GC
416/** @defgroup grp_mm_gc The MM Guest Context API
417 * @ingroup grp_mm
418 * @{
419 */
420
421MMGCDECL(void) MMGCRamRegisterTrapHandler(PVM pVM);
422MMGCDECL(void) MMGCRamDeregisterTrapHandler(PVM pVM);
423MMGCDECL(int) MMGCRamReadNoTrapHandler(void *pDst, void *pSrc, size_t cb);
424MMGCDECL(int) MMGCRamWriteNoTrapHandler(void *pDst, void *pSrc, size_t cb);
425MMGCDECL(int) MMGCRamRead(PVM pVM, void *pDst, void *pSrc, size_t cb);
426MMGCDECL(int) MMGCRamWrite(PVM pVM, void *pDst, void *pSrc, size_t cb);
427
428/** @} */
429#endif /* IN_GC */
430
431/** @} */
432__END_DECLS
433
434
435#endif
436
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