MMHyper.cpp@ 14981

Last change on this file since 14981 was 14645, checked in by vboxsync, 16 years ago
SUP, VMM: Moved the max alloc/map page count to VBox/param.h
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File size: 39.9 KB

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1	/* $Id: MMHyper.cpp 14645 2008-11-26 14:09:41Z vboxsync $ */
2	/** @file
3	* MM - Memory Manager - Hypervisor Memory Area.
4	*/
5
6	/*
7	* Copyright (C) 2006-2007 Sun Microsystems, Inc.
8	*
9	* This file is part of VirtualBox Open Source Edition (OSE), as
10	* available from http://www.virtualbox.org. This file is free software;
11	* you can redistribute it and/or modify it under the terms of the GNU
12	* General Public License (GPL) as published by the Free Software
13	* Foundation, in version 2 as it comes in the "COPYING" file of the
14	* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15	* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16	*
17	* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
18	* Clara, CA 95054 USA or visit http://www.sun.com if you need
19	* additional information or have any questions.
20	*/
21
22
23	/*******************************************************************************
24	* Header Files *
25	*******************************************************************************/
26	#define LOG_GROUP LOG_GROUP_MM_HYPER
27	#include <VBox/pgm.h>
28	#include <VBox/mm.h>
29	#include <VBox/dbgf.h>
30	#include "MMInternal.h"
31	#include <VBox/vm.h>
32	#include <VBox/err.h>
33	#include <VBox/param.h>
34	#include <VBox/log.h>
35	#include <iprt/alloc.h>
36	#include <iprt/assert.h>
37	#include <iprt/string.h>
38
39
40	/*******************************************************************************
41	* Internal Functions *
42	*******************************************************************************/
43	static DECLCALLBACK(bool) mmR3HyperRelocateCallback(PVM pVM, RTGCPTR GCPtrOld, RTGCPTR GCPtrNew, PGMRELOCATECALL enmMode, void *pvUser);
44	static int mmR3HyperMap(PVM pVM, const size_t cb, const char pszDesc, PRTGCPTR pGCPtr, PMMLOOKUPHYPER ppLookup);
45	static int mmR3HyperHeapCreate(PVM pVM, const size_t cb, PMMHYPERHEAP *ppHeap, PRTR0PTR pR0PtrHeap);
46	static int mmR3HyperHeapMap(PVM pVM, PMMHYPERHEAP pHeap, PRTGCPTR ppHeapGC);
47	static DECLCALLBACK(void) mmR3HyperInfoHma(PVM pVM, PCDBGFINFOHLP pHlp, const char *pszArgs);
48
49
50
51
52	/**
53	* Initializes the hypvervisor related MM stuff without
54	* calling down to PGM.
55	*
56	* PGM is not initialized at this point, PGM relies on
57	* the heap to initialize.
58	*
59	* @returns VBox status.
60	*/
61	int mmR3HyperInit(PVM pVM)
62	{
63	LogFlow(("mmR3HyperInit:\n"));
64
65	/*
66	* Decide Hypervisor mapping in the guest context
67	* And setup various hypervisor area and heap parameters.
68	*/
69	pVM->mm.s.pvHyperAreaGC = (RTGCPTR)MM_HYPER_AREA_ADDRESS;
70	pVM->mm.s.cbHyperArea = MM_HYPER_AREA_MAX_SIZE;
71	AssertRelease(RT_ALIGN_T(pVM->mm.s.pvHyperAreaGC, 1 << X86_PD_SHIFT, RTGCPTR) == pVM->mm.s.pvHyperAreaGC);
72	Assert(pVM->mm.s.pvHyperAreaGC < 0xff000000);
73
74	/** @todo @bugref{1865}, @bugref{3202}: Change the cbHyperHeap default
75	* depending on whether VT-x/AMD-V is enabled or not! Don't waste
76	* precious kernel space on heap for the PATM. */
77	uint32_t cbHyperHeap;
78	int rc = CFGMR3QueryU32(CFGMR3GetChild(CFGMR3GetRoot(pVM), "MM"), "cbHyperHeap", &cbHyperHeap);
79	if (rc == VERR_CFGM_NO_PARENT \|\| rc == VERR_CFGM_VALUE_NOT_FOUND)
80	cbHyperHeap = 1280*_1K;
81	else if (RT_FAILURE(rc))
82	{
83	LogRel(("MM/cbHyperHeap query -> %Rrc\n", rc));
84	AssertRCReturn(rc, rc);
85	}
86	cbHyperHeap = RT_ALIGN_32(cbHyperHeap, PAGE_SIZE);
87
88	/*
89	* Allocate the hypervisor heap.
90	*
91	* (This must be done before we start adding memory to the
92	* hypervisor static area because lookup records are allocated from it.)
93	*/
94	rc = mmR3HyperHeapCreate(pVM, cbHyperHeap, &pVM->mm.s.pHyperHeapR3, &pVM->mm.s.pHyperHeapR0);
95	if (RT_SUCCESS(rc))
96	{
97	/*
98	* Make a small head fence to fend of accidental sequential access.
99	*/
100	MMR3HyperReserve(pVM, PAGE_SIZE, "fence", NULL);
101
102	/*
103	* Map the VM structure into the hypervisor space.
104	*/
105	AssertRelease(pVM->cbSelf == RT_UOFFSETOF(VM, aCpus[pVM->cCPUs]));
106	RTGCPTR GCPtr;
107	rc = MMR3HyperMapPages(pVM, pVM, pVM->pVMR0, RT_ALIGN_Z(pVM->cbSelf, PAGE_SIZE) >> PAGE_SHIFT, pVM->paVMPagesR3, "VM", &GCPtr);
108	if (RT_SUCCESS(rc))
109	{
110	pVM->pVMRC = (RTRCPTR)GCPtr;
111	for (uint32_t i = 0; i < pVM->cCPUs; i++)
112	pVM->aCpus[i].pVMRC = pVM->pVMRC;
113
114	/* Reserve a page for fencing. */
115	MMR3HyperReserve(pVM, PAGE_SIZE, "fence", NULL);
116
117	/*
118	* Map the heap into the hypervisor space.
119	*/
120	rc = mmR3HyperHeapMap(pVM, pVM->mm.s.pHyperHeapR3, &GCPtr);
121	if (RT_SUCCESS(rc))
122	{
123	pVM->mm.s.pHyperHeapRC = (RTRCPTR)GCPtr;
124	Assert(pVM->mm.s.pHyperHeapRC == GCPtr);
125
126	/*
127	* Register info handlers.
128	*/
129	DBGFR3InfoRegisterInternal(pVM, "hma", "Show the layout of the Hypervisor Memory Area.", mmR3HyperInfoHma);
130
131	LogFlow(("mmR3HyperInit: returns VINF_SUCCESS\n"));
132	return VINF_SUCCESS;
133	}
134	/* Caller will do proper cleanup. */
135	}
136	}
137
138	LogFlow(("mmR3HyperInit: returns %Rrc\n", rc));
139	return rc;
140	}
141
142
143	/**
144	* Finalizes the HMA mapping.
145	*
146	* This is called later during init, most (all) HMA allocations should be done
147	* by the time this function is called.
148	*
149	* @returns VBox status.
150	*/
151	VMMR3DECL(int) MMR3HyperInitFinalize(PVM pVM)
152	{
153	LogFlow(("MMR3HyperInitFinalize:\n"));
154
155	/*
156	* Adjust and create the HMA mapping.
157	*/
158	while ((RTINT)pVM->mm.s.offHyperNextStatic + 64*_1K < (RTINT)pVM->mm.s.cbHyperArea - _4M)
159	pVM->mm.s.cbHyperArea -= _4M;
160	int rc = PGMR3MapPT(pVM, pVM->mm.s.pvHyperAreaGC, pVM->mm.s.cbHyperArea,
161	mmR3HyperRelocateCallback, NULL, "Hypervisor Memory Area");
162	if (RT_FAILURE(rc))
163	return rc;
164	pVM->mm.s.fPGMInitialized = true;
165
166	/*
167	* Do all the delayed mappings.
168	*/
169	PMMLOOKUPHYPER pLookup = (PMMLOOKUPHYPER)((uintptr_t)pVM->mm.s.pHyperHeapR3 + pVM->mm.s.offLookupHyper);
170	for (;;)
171	{
172	RTGCPTR GCPtr = pVM->mm.s.pvHyperAreaGC + pLookup->off;
173	unsigned cPages = pLookup->cb >> PAGE_SHIFT;
174	switch (pLookup->enmType)
175	{
176	case MMLOOKUPHYPERTYPE_LOCKED:
177	rc = mmR3MapLocked(pVM, pLookup->u.Locked.pLockedMem, GCPtr, 0, cPages, 0);
178	break;
179
180	case MMLOOKUPHYPERTYPE_HCPHYS:
181	rc = PGMMap(pVM, GCPtr, pLookup->u.HCPhys.HCPhys, pLookup->cb, 0);
182	break;
183
184	case MMLOOKUPHYPERTYPE_GCPHYS:
185	{
186	const RTGCPHYS GCPhys = pLookup->u.GCPhys.GCPhys;
187	const size_t cb = pLookup->cb;
188	for (unsigned off = 0; off < cb; off += PAGE_SIZE)
189	{
190	RTHCPHYS HCPhys;
191	rc = PGMPhysGCPhys2HCPhys(pVM, GCPhys + off, &HCPhys);
192	if (RT_FAILURE(rc))
193	break;
194	rc = PGMMap(pVM, GCPtr + off, HCPhys, PAGE_SIZE, 0);
195	if (RT_FAILURE(rc))
196	break;
197	}
198	break;
199	}
200
201	case MMLOOKUPHYPERTYPE_MMIO2:
202	{
203	const RTGCPHYS offEnd = pLookup->u.MMIO2.off + pLookup->cb;
204	for (RTGCPHYS offCur = pLookup->u.MMIO2.off; offCur < offEnd; offCur += PAGE_SIZE)
205	{
206	RTHCPHYS HCPhys;
207	rc = PGMR3PhysMMIO2GetHCPhys(pVM, pLookup->u.MMIO2.pDevIns, pLookup->u.MMIO2.iRegion, offCur, &HCPhys);
208	if (RT_FAILURE(rc))
209	break;
210	rc = PGMMap(pVM, GCPtr + (offCur - pLookup->u.MMIO2.off), HCPhys, PAGE_SIZE, 0);
211	if (RT_FAILURE(rc))
212	break;
213	}
214	break;
215	}
216
217	case MMLOOKUPHYPERTYPE_DYNAMIC:
218	/* do nothing here since these are either fences or managed by someone else using PGM. */
219	break;
220
221	default:
222	AssertMsgFailed(("enmType=%d\n", pLookup->enmType));
223	break;
224	}
225
226	if (RT_FAILURE(rc))
227	{
228	AssertMsgFailed(("rc=%Rrc cb=%d off=%#RX32 enmType=%d pszDesc=%s\n",
229	rc, pLookup->cb, pLookup->off, pLookup->enmType, pLookup->pszDesc));
230	return rc;
231	}
232
233	/* next */
234	if (pLookup->offNext == (int32_t)NIL_OFFSET)
235	break;
236	pLookup = (PMMLOOKUPHYPER)((uintptr_t)pLookup + pLookup->offNext);
237	}
238
239	LogFlow(("MMR3HyperInitFinalize: returns VINF_SUCCESS\n"));
240	return VINF_SUCCESS;
241	}
242
243
244	/**
245	* Callback function which will be called when PGM is trying to find
246	* a new location for the mapping.
247	*
248	* The callback is called in two modes, 1) the check mode and 2) the relocate mode.
249	* In 1) the callback should say if it objects to a suggested new location. If it
250	* accepts the new location, it is called again for doing it's relocation.
251	*
252	*
253	* @returns true if the location is ok.
254	* @returns false if another location should be found.
255	* @param pVM The VM handle.
256	* @param GCPtrOld The old virtual address.
257	* @param GCPtrNew The new virtual address.
258	* @param enmMode Used to indicate the callback mode.
259	* @param pvUser User argument. Ignored.
260	* @remark The return value is no a failure indicator, it's an acceptance
261	* indicator. Relocation can not fail!
262	*/
263	static DECLCALLBACK(bool) mmR3HyperRelocateCallback(PVM pVM, RTGCPTR GCPtrOld, RTGCPTR GCPtrNew, PGMRELOCATECALL enmMode, void *pvUser)
264	{
265	switch (enmMode)
266	{
267	/*
268	* Verify location - all locations are good for us.
269	*/
270	case PGMRELOCATECALL_SUGGEST:
271	return true;
272
273	/*
274	* Execute the relocation.
275	*/
276	case PGMRELOCATECALL_RELOCATE:
277	{
278	/*
279	* Accepted!
280	*/
281	AssertMsg(GCPtrOld == pVM->mm.s.pvHyperAreaGC, ("GCPtrOld=%RGv pVM->mm.s.pvHyperAreaGC=%RGv\n", GCPtrOld, pVM->mm.s.pvHyperAreaGC));
282	Log(("Relocating the hypervisor from %RGv to %RGv\n", GCPtrOld, GCPtrNew));
283
284	/*
285	* Relocate the VM structure and ourselves.
286	*/
287	RTGCINTPTR offDelta = GCPtrNew - GCPtrOld;
288	pVM->pVMRC += offDelta;
289	for (uint32_t i = 0; i < pVM->cCPUs; i++)
290	pVM->aCpus[i].pVMRC = pVM->pVMRC;
291
292	pVM->mm.s.pvHyperAreaGC += offDelta;
293	Assert(pVM->mm.s.pvHyperAreaGC < _4G);
294	pVM->mm.s.pHyperHeapRC += offDelta;
295	pVM->mm.s.pHyperHeapR3->pbHeapRC += offDelta;
296	pVM->mm.s.pHyperHeapR3->pVMRC = pVM->pVMRC;
297
298	/*
299	* Relocate the rest.
300	*/
301	VMR3Relocate(pVM, offDelta);
302	return true;
303	}
304
305	default:
306	AssertMsgFailed(("Invalid relocation mode %d\n", enmMode));
307	}
308
309	return false;
310	}
311
312
313	/**
314	* Maps contiguous HC physical memory into the hypervisor region in the GC.
315	*
316	* @return VBox status code.
317	*
318	* @param pVM VM handle.
319	* @param pvR3 Ring-3 address of the memory. Must be page aligned!
320	* @param pvR0 Optional ring-0 address of the memory.
321	* @param HCPhys Host context physical address of the memory to be
322	* mapped. Must be page aligned!
323	* @param cb Size of the memory. Will be rounded up to nearest page.
324	* @param pszDesc Description.
325	* @param pGCPtr Where to store the GC address.
326	*/
327	VMMR3DECL(int) MMR3HyperMapHCPhys(PVM pVM, void pvR3, RTR0PTR pvR0, RTHCPHYS HCPhys, size_t cb, const char pszDesc, PRTGCPTR pGCPtr)
328	{
329	LogFlow(("MMR3HyperMapHCPhys: pvR3=%p pvR0=%p HCPhys=%RHp cb=%d pszDesc=%p:{%s} pGCPtr=%p\n", pvR3, pvR0, HCPhys, (int)cb, pszDesc, pszDesc, pGCPtr));
330
331	/*
332	* Validate input.
333	*/
334	AssertReturn(RT_ALIGN_P(pvR3, PAGE_SIZE) == pvR3, VERR_INVALID_PARAMETER);
335	AssertReturn(RT_ALIGN_T(pvR0, PAGE_SIZE, RTR0PTR) == pvR0, VERR_INVALID_PARAMETER);
336	AssertReturn(RT_ALIGN_T(HCPhys, PAGE_SIZE, RTHCPHYS) == HCPhys, VERR_INVALID_PARAMETER);
337	AssertReturn(pszDesc && *pszDesc, VERR_INVALID_PARAMETER);
338
339	/*
340	* Add the memory to the hypervisor area.
341	*/
342	uint32_t cbAligned = RT_ALIGN_32(cb, PAGE_SIZE);
343	AssertReturn(cbAligned >= cb, VERR_INVALID_PARAMETER);
344	RTGCPTR GCPtr;
345	PMMLOOKUPHYPER pLookup;
346	int rc = mmR3HyperMap(pVM, cbAligned, pszDesc, &GCPtr, &pLookup);
347	if (RT_SUCCESS(rc))
348	{
349	pLookup->enmType = MMLOOKUPHYPERTYPE_HCPHYS;
350	pLookup->u.HCPhys.pvR3 = pvR3;
351	pLookup->u.HCPhys.pvR0 = pvR0;
352	pLookup->u.HCPhys.HCPhys = HCPhys;
353
354	/*
355	* Update the page table.
356	*/
357	if (pVM->mm.s.fPGMInitialized)
358	rc = PGMMap(pVM, GCPtr, HCPhys, cbAligned, 0);
359	if (RT_SUCCESS(rc))
360	*pGCPtr = GCPtr;
361	}
362	return rc;
363	}
364
365
366	/**
367	* Maps contiguous GC physical memory into the hypervisor region in the GC.
368	*
369	* @return VBox status code.
370	*
371	* @param pVM VM handle.
372	* @param GCPhys Guest context physical address of the memory to be mapped. Must be page aligned!
373	* @param cb Size of the memory. Will be rounded up to nearest page.
374	* @param pszDesc Mapping description.
375	* @param pGCPtr Where to store the GC address.
376	*/
377	VMMR3DECL(int) MMR3HyperMapGCPhys(PVM pVM, RTGCPHYS GCPhys, size_t cb, const char *pszDesc, PRTGCPTR pGCPtr)
378	{
379	LogFlow(("MMR3HyperMapGCPhys: GCPhys=%RGp cb=%d pszDesc=%p:{%s} pGCPtr=%p\n", GCPhys, (int)cb, pszDesc, pszDesc, pGCPtr));
380
381	/*
382	* Validate input.
383	*/
384	AssertReturn(RT_ALIGN_T(GCPhys, PAGE_SIZE, RTGCPHYS) == GCPhys, VERR_INVALID_PARAMETER);
385	AssertReturn(pszDesc && *pszDesc, VERR_INVALID_PARAMETER);
386
387	/*
388	* Add the memory to the hypervisor area.
389	*/
390	cb = RT_ALIGN_Z(cb, PAGE_SIZE);
391	RTGCPTR GCPtr;
392	PMMLOOKUPHYPER pLookup;
393	int rc = mmR3HyperMap(pVM, cb, pszDesc, &GCPtr, &pLookup);
394	if (RT_SUCCESS(rc))
395	{
396	pLookup->enmType = MMLOOKUPHYPERTYPE_GCPHYS;
397	pLookup->u.GCPhys.GCPhys = GCPhys;
398
399	/*
400	* Update the page table.
401	*/
402	for (unsigned off = 0; off < cb; off += PAGE_SIZE)
403	{
404	RTHCPHYS HCPhys;
405	rc = PGMPhysGCPhys2HCPhys(pVM, GCPhys + off, &HCPhys);
406	AssertRC(rc);
407	if (RT_FAILURE(rc))
408	{
409	AssertMsgFailed(("rc=%Rrc GCPhys=%RGp off=%#x %s\n", rc, GCPhys, off, pszDesc));
410	break;
411	}
412	if (pVM->mm.s.fPGMInitialized)
413	{
414	rc = PGMMap(pVM, GCPtr + off, HCPhys, PAGE_SIZE, 0);
415	AssertRC(rc);
416	if (RT_FAILURE(rc))
417	{
418	AssertMsgFailed(("rc=%Rrc GCPhys=%RGp off=%#x %s\n", rc, GCPhys, off, pszDesc));
419	break;
420	}
421	}
422	}
423
424	if (RT_SUCCESS(rc) && pGCPtr)
425	*pGCPtr = GCPtr;
426	}
427	return rc;
428	}
429
430
431	/**
432	* Maps a portion of an MMIO2 region into the hypervisor region.
433	*
434	* Callers of this API must never deregister the MMIO2 region before the
435	* VM is powered off. If this becomes a requirement MMR3HyperUnmapMMIO2
436	* API will be needed to perform cleanups.
437	*
438	* @return VBox status code.
439	*
440	* @param pVM Pointer to the shared VM structure.
441	* @param pDevIns The device owning the MMIO2 memory.
442	* @param iRegion The region.
443	* @param off The offset into the region. Will be rounded down to closest page boundrary.
444	* @param cb The number of bytes to map. Will be rounded up to the closest page boundrary.
445	* @param pszDesc Mapping description.
446	* @param pRCPtr Where to store the RC address.
447	*/
448	VMMR3DECL(int) MMR3HyperMapMMIO2(PVM pVM, PPDMDEVINS pDevIns, uint32_t iRegion, RTGCPHYS off, RTGCPHYS cb,
449	const char *pszDesc, PRTRCPTR pRCPtr)
450	{
451	LogFlow(("MMR3HyperMapMMIO2: pDevIns=%p iRegion=%#x off=%RGp cb=%RGp pszDesc=%p:{%s} pRCPtr=%p\n",
452	pDevIns, iRegion, off, cb, pszDesc, pszDesc, pRCPtr));
453	int rc;
454
455	/*
456	* Validate input.
457	*/
458	AssertReturn(pszDesc && *pszDesc, VERR_INVALID_PARAMETER);
459	AssertReturn(off + cb > off, VERR_INVALID_PARAMETER);
460	uint32_t const offPage = off & PAGE_OFFSET_MASK;
461	off &= ~(RTGCPHYS)PAGE_OFFSET_MASK;
462	cb += offPage;
463	cb = RT_ALIGN_Z(cb, PAGE_SIZE);
464	const RTGCPHYS offEnd = off + cb;
465	AssertReturn(offEnd > off, VERR_INVALID_PARAMETER);
466	for (RTGCPHYS offCur = off; offCur < offEnd; offCur += PAGE_SIZE)
467	{
468	RTHCPHYS HCPhys;
469	rc = PGMR3PhysMMIO2GetHCPhys(pVM, pDevIns, iRegion, offCur, &HCPhys);
470	AssertMsgRCReturn(rc, ("rc=%Rrc - iRegion=%d off=%RGp\n", rc, iRegion, off), rc);
471	}
472
473	/*
474	* Add the memory to the hypervisor area.
475	*/
476	RTGCPTR GCPtr;
477	PMMLOOKUPHYPER pLookup;
478	rc = mmR3HyperMap(pVM, cb, pszDesc, &GCPtr, &pLookup);
479	if (RT_SUCCESS(rc))
480	{
481	pLookup->enmType = MMLOOKUPHYPERTYPE_MMIO2;
482	pLookup->u.MMIO2.pDevIns = pDevIns;
483	pLookup->u.MMIO2.iRegion = iRegion;
484	pLookup->u.MMIO2.off = off;
485
486	/*
487	* Update the page table.
488	*/
489	if (pVM->mm.s.fPGMInitialized)
490	{
491	for (RTGCPHYS offCur = off; offCur < offEnd; offCur += PAGE_SIZE)
492	{
493	RTHCPHYS HCPhys;
494	rc = PGMR3PhysMMIO2GetHCPhys(pVM, pDevIns, iRegion, offCur, &HCPhys);
495	AssertRCReturn(rc, VERR_INTERNAL_ERROR);
496	rc = PGMMap(pVM, GCPtr + (offCur - off), HCPhys, PAGE_SIZE, 0);
497	if (RT_FAILURE(rc))
498	{
499	AssertMsgFailed(("rc=%Rrc offCur=%RGp %s\n", rc, offCur, pszDesc));
500	break;
501	}
502	}
503	}
504
505	if (RT_SUCCESS(rc))
506	{
507	GCPtr \|= offPage;
508	*pRCPtr = GCPtr;
509	AssertLogRelReturn(*pRCPtr == GCPtr, VERR_INTERNAL_ERROR);
510	}
511	}
512	return rc;
513	}
514
515
516	/**
517	* Maps locked R3 virtual memory into the hypervisor region in the GC.
518	*
519	* @return VBox status code.
520	*
521	* @param pVM VM handle.
522	* @param pvR3 The ring-3 address of the memory, must be page aligned.
523	* @param pvR0 The ring-0 address of the memory, must be page aligned. (optional)
524	* @param cPages The number of pages.
525	* @param paPages The page descriptors.
526	* @param pszDesc Mapping description.
527	* @param pGCPtr Where to store the GC address corresponding to pvR3.
528	*/
529	VMMR3DECL(int) MMR3HyperMapPages(PVM pVM, void pvR3, RTR0PTR pvR0, size_t cPages, PCSUPPAGE paPages, const char pszDesc, PRTGCPTR pGCPtr)
530	{
531	LogFlow(("MMR3HyperMapPages: pvR3=%p pvR0=%p cPages=%zu paPages=%p pszDesc=%p:{%s} pGCPtr=%p\n",
532	pvR3, pvR0, cPages, paPages, pszDesc, pszDesc, pGCPtr));
533
534	/*
535	* Validate input.
536	*/
537	AssertPtrReturn(pvR3, VERR_INVALID_POINTER);
538	AssertPtrReturn(paPages, VERR_INVALID_POINTER);
539	AssertReturn(cPages > 0, VERR_PAGE_COUNT_OUT_OF_RANGE);
540	AssertReturn(cPages <= VBOX_MAX_ALLOC_PAGE_COUNT, VERR_PAGE_COUNT_OUT_OF_RANGE);
541	AssertPtrReturn(pszDesc, VERR_INVALID_POINTER);
542	AssertReturn(*pszDesc, VERR_INVALID_PARAMETER);
543	AssertPtrReturn(pGCPtr, VERR_INVALID_PARAMETER);
544
545	/*
546	* Add the memory to the hypervisor area.
547	*/
548	RTGCPTR GCPtr;
549	PMMLOOKUPHYPER pLookup;
550	int rc = mmR3HyperMap(pVM, cPages << PAGE_SHIFT, pszDesc, &GCPtr, &pLookup);
551	if (RT_SUCCESS(rc))
552	{
553	/*
554	* Create a locked memory record and tell PGM about this.
555	*/
556	PMMLOCKEDMEM pLockedMem = (PMMLOCKEDMEM)MMR3HeapAlloc(pVM, MM_TAG_MM, RT_OFFSETOF(MMLOCKEDMEM, aPhysPages[cPages]));
557	if (pLockedMem)
558	{
559	pLockedMem->pv = pvR3;
560	pLockedMem->cb = cPages << PAGE_SHIFT;
561	pLockedMem->eType = MM_LOCKED_TYPE_HYPER_PAGES;
562	memset(&pLockedMem->u, 0, sizeof(pLockedMem->u));
563	for (size_t i = 0; i < cPages; i++)
564	{
565	AssertReleaseReturn(paPages[i].Phys != 0 && paPages[i].Phys != NIL_RTHCPHYS && !(paPages[i].Phys & PAGE_OFFSET_MASK), VERR_INTERNAL_ERROR);
566	pLockedMem->aPhysPages[i].Phys = paPages[i].Phys;
567	pLockedMem->aPhysPages[i].uReserved = (RTHCUINTPTR)pLockedMem;
568	}
569
570	/* map the stuff into guest address space. */
571	if (pVM->mm.s.fPGMInitialized)
572	rc = mmR3MapLocked(pVM, pLockedMem, GCPtr, 0, ~(size_t)0, 0);
573	if (RT_SUCCESS(rc))
574	{
575	pLookup->enmType = MMLOOKUPHYPERTYPE_LOCKED;
576	pLookup->u.Locked.pvR3 = pvR3;
577	pLookup->u.Locked.pvR0 = pvR0;
578	pLookup->u.Locked.pLockedMem = pLockedMem;
579
580	/* done. */
581	*pGCPtr = GCPtr;
582	return rc;
583	}
584	/* Don't care about failure clean, we're screwed if this fails anyway. */
585	}
586	}
587
588	return rc;
589	}
590
591
592	/**
593	* Reserves a hypervisor memory area.
594	* Most frequent usage is fence pages and dynamically mappings like the guest PD and PDPT.
595	*
596	* @return VBox status code.
597	*
598	* @param pVM VM handle.
599	* @param cb Size of the memory. Will be rounded up to nearest page.
600	* @param pszDesc Mapping description.
601	* @param pGCPtr Where to store the assigned GC address. Optional.
602	*/
603	VMMR3DECL(int) MMR3HyperReserve(PVM pVM, unsigned cb, const char *pszDesc, PRTGCPTR pGCPtr)
604	{
605	LogFlow(("MMR3HyperMapHCRam: cb=%d pszDesc=%p:{%s} pGCPtr=%p\n", (int)cb, pszDesc, pszDesc, pGCPtr));
606
607	/*
608	* Validate input.
609	*/
610	if ( cb <= 0
611	\|\| !pszDesc
612	\|\| !*pszDesc)
613	{
614	AssertMsgFailed(("Invalid parameter\n"));
615	return VERR_INVALID_PARAMETER;
616	}
617
618	/*
619	* Add the memory to the hypervisor area.
620	*/
621	RTGCPTR GCPtr;
622	PMMLOOKUPHYPER pLookup;
623	int rc = mmR3HyperMap(pVM, cb, pszDesc, &GCPtr, &pLookup);
624	if (RT_SUCCESS(rc))
625	{
626	pLookup->enmType = MMLOOKUPHYPERTYPE_DYNAMIC;
627	if (pGCPtr)
628	*pGCPtr = GCPtr;
629	return VINF_SUCCESS;
630	}
631	return rc;
632	}
633
634
635	/**
636	* Adds memory to the hypervisor memory arena.
637	*
638	* @return VBox status code.
639	* @param pVM The VM handle.
640	* @param cb Size of the memory. Will be rounded up to neares page.
641	* @param pszDesc The description of the memory.
642	* @param pGCPtr Where to store the GC address.
643	* @param ppLookup Where to store the pointer to the lookup record.
644	* @remark We assume the threading structure of VBox imposes natural
645	* serialization of most functions, this one included.
646	*/
647	static int mmR3HyperMap(PVM pVM, const size_t cb, const char pszDesc, PRTGCPTR pGCPtr, PMMLOOKUPHYPER ppLookup)
648	{
649	/*
650	* Validate input.
651	*/
652	const uint32_t cbAligned = RT_ALIGN_32(cb, PAGE_SIZE);
653	AssertReturn(cbAligned >= cb, VERR_INVALID_PARAMETER);
654	if (pVM->mm.s.offHyperNextStatic + cbAligned >= pVM->mm.s.cbHyperArea) /* don't use the last page, it's a fence. */
655	{
656	AssertMsgFailed(("Out of static mapping space in the HMA! offHyperAreaGC=%x cbAligned=%x\n",
657	pVM->mm.s.offHyperNextStatic, cbAligned));
658	return VERR_NO_MEMORY;
659	}
660
661	/*
662	* Allocate lookup record.
663	*/
664	PMMLOOKUPHYPER pLookup;
665	int rc = MMHyperAlloc(pVM, sizeof(pLookup), 1, MM_TAG_MM, (void *)&pLookup);
666	if (RT_SUCCESS(rc))
667	{
668	/*
669	* Initialize it and insert it.
670	*/
671	pLookup->offNext = pVM->mm.s.offLookupHyper;
672	pLookup->cb = cbAligned;
673	pLookup->off = pVM->mm.s.offHyperNextStatic;
674	pVM->mm.s.offLookupHyper = (uint8_t )pLookup - (uint8_t )pVM->mm.s.pHyperHeapR3;
675	if (pLookup->offNext != (int32_t)NIL_OFFSET)
676	pLookup->offNext -= pVM->mm.s.offLookupHyper;
677	pLookup->enmType = MMLOOKUPHYPERTYPE_INVALID;
678	memset(&pLookup->u, 0xff, sizeof(pLookup->u));
679	pLookup->pszDesc = pszDesc;
680
681	/* Mapping. */
682	*pGCPtr = pVM->mm.s.pvHyperAreaGC + pVM->mm.s.offHyperNextStatic;
683	pVM->mm.s.offHyperNextStatic += cbAligned;
684
685	/* Return pointer. */
686	*ppLookup = pLookup;
687	}
688
689	AssertRC(rc);
690	LogFlow(("mmR3HyperMap: returns %Rrc pGCPtr=%RGv\n", rc, pGCPtr));
691	return rc;
692	}
693
694
695	/**
696	* Allocates a new heap.
697	*
698	* @returns VBox status code.
699	* @param pVM The VM handle.
700	* @param cb The size of the new heap.
701	* @param ppHeap Where to store the heap pointer on successful return.
702	* @param pR0PtrHeap Where to store the ring-0 address of the heap on
703	* success.
704	*/
705	static int mmR3HyperHeapCreate(PVM pVM, const size_t cb, PMMHYPERHEAP *ppHeap, PRTR0PTR pR0PtrHeap)
706	{
707	/*
708	* Allocate the hypervisor heap.
709	*/
710	const uint32_t cbAligned = RT_ALIGN_32(cb, PAGE_SIZE);
711	AssertReturn(cbAligned >= cb, VERR_INVALID_PARAMETER);
712	uint32_t const cPages = cb >> PAGE_SHIFT;
713	PSUPPAGE paPages = (PSUPPAGE)MMR3HeapAlloc(pVM, MM_TAG_MM, cPages * sizeof(paPages[0]));
714	if (!paPages)
715	return VERR_NO_MEMORY;
716	void *pv;
717	RTR0PTR pvR0 = NIL_RTR0PTR;
718	int rc = SUPR3PageAllocEx(cPages,
719	0 /fFlags/,
720	&pv,
721	VMMIsHwVirtExtForced(pVM) ? &pvR0 : NULL,
722	paPages);
723	if (RT_SUCCESS(rc))
724	{
725	if (!VMMIsHwVirtExtForced(pVM))
726	pvR0 = (uintptr_t)pv;
727	memset(pv, 0, cbAligned);
728
729	/*
730	* Initialize the heap and first free chunk.
731	*/
732	PMMHYPERHEAP pHeap = (PMMHYPERHEAP)pv;
733	pHeap->u32Magic = MMHYPERHEAP_MAGIC;
734	pHeap->pbHeapR3 = (uint8_t *)pHeap + MMYPERHEAP_HDR_SIZE;
735	pHeap->pbHeapR0 = pvR0 + MMYPERHEAP_HDR_SIZE;
736	//pHeap->pbHeapRC = 0; // set by mmR3HyperHeapMap()
737	pHeap->pVMR3 = pVM;
738	pHeap->pVMR0 = pVM->pVMR0;
739	pHeap->pVMRC = pVM->pVMRC;
740	pHeap->cbHeap = cbAligned - MMYPERHEAP_HDR_SIZE;
741	pHeap->cbFree = pHeap->cbHeap - sizeof(MMHYPERCHUNK);
742	//pHeap->offFreeHead = 0;
743	//pHeap->offFreeTail = 0;
744	pHeap->offPageAligned = pHeap->cbHeap;
745	//pHeap->HyperHeapStatTree = 0;
746	pHeap->paPages = paPages;
747
748	PMMHYPERCHUNKFREE pFree = (PMMHYPERCHUNKFREE)pHeap->pbHeapR3;
749	pFree->cb = pHeap->cbFree;
750	//pFree->core.offNext = 0;
751	MMHYPERCHUNK_SET_TYPE(&pFree->core, MMHYPERCHUNK_FLAGS_FREE);
752	pFree->core.offHeap = -(int32_t)MMYPERHEAP_HDR_SIZE;
753	//pFree->offNext = 0;
754	//pFree->offPrev = 0;
755
756	STAMR3Register(pVM, &pHeap->cbHeap, STAMTYPE_U32, STAMVISIBILITY_ALWAYS, "/MM/HyperHeap/cbHeap", STAMUNIT_BYTES, "The heap size.");
757	STAMR3Register(pVM, &pHeap->cbFree, STAMTYPE_U32, STAMVISIBILITY_ALWAYS, "/MM/HyperHeap/cbFree", STAMUNIT_BYTES, "The free space.");
758
759	*ppHeap = pHeap;
760	*pR0PtrHeap = pvR0;
761	return VINF_SUCCESS;
762	}
763	AssertMsgFailed(("SUPR3PageAllocEx(%d,,,,) -> %Rrc\n", cbAligned >> PAGE_SHIFT, rc));
764
765	*ppHeap = NULL;
766	return rc;
767	}
768
769
770	/**
771	* Allocates a new heap.
772	*/
773	static int mmR3HyperHeapMap(PVM pVM, PMMHYPERHEAP pHeap, PRTGCPTR ppHeapGC)
774	{
775	Assert(RT_ALIGN_Z(pHeap->cbHeap + MMYPERHEAP_HDR_SIZE, PAGE_SIZE) == pHeap->cbHeap + MMYPERHEAP_HDR_SIZE);
776	Assert(pHeap->paPages);
777	int rc = MMR3HyperMapPages(pVM,
778	pHeap,
779	pHeap->pbHeapR0 - MMYPERHEAP_HDR_SIZE,
780	(pHeap->cbHeap + MMYPERHEAP_HDR_SIZE) >> PAGE_SHIFT,
781	pHeap->paPages,
782	"Heap", ppHeapGC);
783	if (RT_SUCCESS(rc))
784	{
785	pHeap->pVMRC = pVM->pVMRC;
786	pHeap->pbHeapRC = *ppHeapGC + MMYPERHEAP_HDR_SIZE;
787	/* Reserve a page for fencing. */
788	MMR3HyperReserve(pVM, PAGE_SIZE, "fence", NULL);
789
790	/* We won't need these any more. */
791	MMR3HeapFree(pHeap->paPages);
792	pHeap->paPages = NULL;
793	}
794	return rc;
795	}
796
797
798	#if 0
799	/**
800	* Destroys a heap.
801	*/
802	static int mmR3HyperHeapDestroy(PVM pVM, PMMHYPERHEAP pHeap)
803	{
804	/* all this is dealt with when unlocking and freeing locked memory. */
805	}
806	#endif
807
808
809	/**
810	* Allocates memory in the Hypervisor (GC VMM) area which never will
811	* be freed and doesn't have any offset based relation to other heap blocks.
812	*
813	* The latter means that two blocks allocated by this API will not have the
814	* same relative position to each other in GC and HC. In short, never use
815	* this API for allocating nodes for an offset based AVL tree!
816	*
817	* The returned memory is of course zeroed.
818	*
819	* @returns VBox status code.
820	* @param pVM The VM to operate on.
821	* @param cb Number of bytes to allocate.
822	* @param uAlignment Required memory alignment in bytes.
823	* Values are 0,8,16,32 and PAGE_SIZE.
824	* 0 -> default alignment, i.e. 8 bytes.
825	* @param enmTag The statistics tag.
826	* @param ppv Where to store the address to the allocated
827	* memory.
828	* @remark This is assumed not to be used at times when serialization is required.
829	*/
830	VMMDECL(int) MMR3HyperAllocOnceNoRel(PVM pVM, size_t cb, unsigned uAlignment, MMTAG enmTag, void **ppv)
831	{
832	AssertMsg(cb >= 8, ("Hey! Do you really mean to allocate less than 8 bytes?! cb=%d\n", cb));
833
834	/*
835	* Choose between allocating a new chunk of HMA memory
836	* and the heap. We will only do BIG allocations from HMA.
837	*/
838	if ( cb < _64K
839	&& ( uAlignment != PAGE_SIZE
840	\|\| cb < 48*_1K))
841	{
842	int rc = MMHyperAlloc(pVM, cb, uAlignment, enmTag, ppv);
843	if ( rc != VERR_MM_HYPER_NO_MEMORY
844	\|\| cb <= 8*_1K)
845	{
846	Log2(("MMR3HyperAllocOnceNoRel: cb=%#zx uAlignment=%#x returns %Rrc and *ppv=%p\n",
847	cb, uAlignment, rc, *ppv));
848	return rc;
849	}
850	}
851
852	/*
853	* Validate alignment.
854	*/
855	switch (uAlignment)
856	{
857	case 0:
858	case 8:
859	case 16:
860	case 32:
861	case PAGE_SIZE:
862	break;
863	default:
864	AssertMsgFailed(("Invalid alignment %u\n", uAlignment));
865	return VERR_INVALID_PARAMETER;
866	}
867
868	/*
869	* Allocate the pages and map them into HMA space.
870	*/
871	cb = RT_ALIGN(cb, PAGE_SIZE);
872	uint32_t const cPages = cb >> PAGE_SHIFT;
873	PSUPPAGE paPages = (PSUPPAGE)RTMemTmpAlloc(cPages * sizeof(paPages[0]));
874	if (!paPages)
875	return VERR_NO_TMP_MEMORY;
876	void *pvPages;
877	RTR0PTR pvR0 = NIL_RTR0PTR;
878	int rc = SUPR3PageAllocEx(cPages,
879	0 /fFlags/,
880	&pvPages,
881	VMMIsHwVirtExtForced(pVM) ? &pvR0 : NULL,
882	paPages);
883	if (RT_SUCCESS(rc))
884	{
885	if (!VMMIsHwVirtExtForced(pVM))
886	pvR0 = (uintptr_t)pvPages;
887	memset(pvPages, 0, cb);
888
889	RTGCPTR GCPtr;
890	rc = MMR3HyperMapPages(pVM,
891	pvPages,
892	pvR0,
893	cPages,
894	paPages,
895	MMR3HeapAPrintf(pVM, MM_TAG_MM, "alloc once (%s)", mmR3GetTagName(enmTag)),
896	&GCPtr);
897	if (RT_SUCCESS(rc))
898	{
899	*ppv = pvPages;
900	Log2(("MMR3HyperAllocOnceNoRel: cb=%#x uAlignment=%#x returns VINF_SUCCESS and *ppv=%p\n",
901	cb, uAlignment, *ppv));
902	MMR3HyperReserve(pVM, PAGE_SIZE, "fence", NULL);
903	return rc;
904	}
905	AssertMsgFailed(("Failed to allocate %zd bytes! %Rrc\n", cb, rc));
906	SUPR3PageFreeEx(pvPages, cPages);
907
908
909	/*
910	* HACK ALERT! Try allocate it off the heap so that we don't freak
911	* out during vga/vmmdev mmio2 allocation with certain ram sizes.
912	*/
913	/** @todo make a proper fix for this so we will never end up in this kind of situation! */
914	Log(("MMR3HyperAllocOnceNoRel: MMR3HyperMapHCRam failed with rc=%Rrc, try MMHyperAlloc(,%#d,,) instead\n", rc, cb));
915	int rc2 = MMHyperAlloc(pVM, cb, uAlignment, enmTag, ppv);
916	if (RT_SUCCESS(rc2))
917	{
918	Log2(("MMR3HyperAllocOnceNoRel: cb=%#x uAlignment=%#x returns %Rrc and *ppv=%p\n",
919	cb, uAlignment, rc, *ppv));
920	return rc;
921	}
922	}
923	else
924	AssertMsgFailed(("Failed to allocate %zd bytes! %Rrc\n", cb, rc));
925
926	if (rc == VERR_NO_MEMORY)
927	rc = VERR_MM_HYPER_NO_MEMORY;
928	LogRel(("MMR3HyperAllocOnceNoRel: cb=%#zx uAlignment=%#x returns %Rrc\n", cb, uAlignment, rc));
929	return rc;
930	}
931
932
933	/**
934	* Convert hypervisor HC virtual address to HC physical address.
935	*
936	* @returns HC physical address.
937	* @param pVM VM Handle
938	* @param pvR3 Host context virtual address.
939	*/
940	VMMR3DECL(RTHCPHYS) MMR3HyperHCVirt2HCPhys(PVM pVM, void *pvR3)
941	{
942	PMMLOOKUPHYPER pLookup = (PMMLOOKUPHYPER)((uint8_t *)pVM->mm.s.pHyperHeapR3 + pVM->mm.s.offLookupHyper);
943	for (;;)
944	{
945	switch (pLookup->enmType)
946	{
947	case MMLOOKUPHYPERTYPE_LOCKED:
948	{
949	unsigned off = (uint8_t )pvR3 - (uint8_t )pLookup->u.Locked.pvR3;
950	if (off < pLookup->cb)
951	return (pLookup->u.Locked.pLockedMem->aPhysPages[off >> PAGE_SHIFT].Phys & X86_PTE_PAE_PG_MASK) \| (off & PAGE_OFFSET_MASK);
952	break;
953	}
954
955	case MMLOOKUPHYPERTYPE_HCPHYS:
956	{
957	unsigned off = (uint8_t )pvR3 - (uint8_t )pLookup->u.HCPhys.pvR3;
958	if (off < pLookup->cb)
959	return pLookup->u.HCPhys.HCPhys + off;
960	break;
961	}
962
963	case MMLOOKUPHYPERTYPE_GCPHYS:
964	case MMLOOKUPHYPERTYPE_MMIO2:
965	case MMLOOKUPHYPERTYPE_DYNAMIC:
966	/* can (or don't want to) convert these kind of records. */
967	break;
968
969	default:
970	AssertMsgFailed(("enmType=%d\n", pLookup->enmType));
971	break;
972	}
973
974	/* next */
975	if ((unsigned)pLookup->offNext == NIL_OFFSET)
976	break;
977	pLookup = (PMMLOOKUPHYPER)((uint8_t *)pLookup + pLookup->offNext);
978	}
979
980	AssertMsgFailed(("pvR3=%p is not inside the hypervisor memory area!\n", pvR3));
981	return NIL_RTHCPHYS;
982	}
983
984
985	#if 0 /* unused, not implemented */
986	/**
987	* Convert hypervisor HC physical address to HC virtual address.
988	*
989	* @returns HC virtual address.
990	* @param pVM VM Handle
991	* @param HCPhys Host context physical address.
992	*/
993	VMMR3DECL(void *) MMR3HyperHCPhys2HCVirt(PVM pVM, RTHCPHYS HCPhys)
994	{
995	void *pv;
996	int rc = MMR3HyperHCPhys2HCVirtEx(pVM, HCPhys, &pv);
997	if (RT_SUCCESS(rc))
998	return pv;
999	AssertMsgFailed(("Invalid address HCPhys=%x rc=%d\n", HCPhys, rc));
1000	return NULL;
1001	}
1002
1003
1004	/**
1005	* Convert hypervisor HC physical address to HC virtual address.
1006	*
1007	* @returns VBox status.
1008	* @param pVM VM Handle
1009	* @param HCPhys Host context physical address.
1010	* @param ppv Where to store the HC virtual address.
1011	*/
1012	VMMR3DECL(int) MMR3HyperHCPhys2HCVirtEx(PVM pVM, RTHCPHYS HCPhys, void **ppv)
1013	{
1014	/*
1015	* Linear search.
1016	*/
1017	/** @todo implement when actually used. */
1018	return VERR_INVALID_POINTER;
1019	}
1020	#endif /* unused, not implemented */
1021
1022
1023	/**
1024	* Read hypervisor memory from GC virtual address.
1025	*
1026	* @returns VBox status.
1027	* @param pVM VM handle.
1028	* @param pvDst Destination address (HC of course).
1029	* @param GCPtr GC virtual address.
1030	* @param cb Number of bytes to read.
1031	*
1032	* @remarks For DBGF only.
1033	*/
1034	VMMR3DECL(int) MMR3HyperReadGCVirt(PVM pVM, void *pvDst, RTGCPTR GCPtr, size_t cb)
1035	{
1036	if (GCPtr - pVM->mm.s.pvHyperAreaGC >= pVM->mm.s.cbHyperArea)
1037	return VERR_INVALID_PARAMETER;
1038	return PGMR3MapRead(pVM, pvDst, GCPtr, cb);
1039	}
1040
1041
1042	/**
1043	* Info handler for 'hma', it dumps the list of lookup records for the hypervisor memory area.
1044	*
1045	* @param pVM The VM handle.
1046	* @param pHlp Callback functions for doing output.
1047	* @param pszArgs Argument string. Optional and specific to the handler.
1048	*/
1049	static DECLCALLBACK(void) mmR3HyperInfoHma(PVM pVM, PCDBGFINFOHLP pHlp, const char *pszArgs)
1050	{
1051	pHlp->pfnPrintf(pHlp, "Hypervisor Memory Area (HMA) Layout: Base %RGv, 0x%08x bytes\n",
1052	pVM->mm.s.pvHyperAreaGC, pVM->mm.s.cbHyperArea);
1053
1054	PMMLOOKUPHYPER pLookup = (PMMLOOKUPHYPER)((uint8_t *)pVM->mm.s.pHyperHeapR3 + pVM->mm.s.offLookupHyper);
1055	for (;;)
1056	{
1057	switch (pLookup->enmType)
1058	{
1059	case MMLOOKUPHYPERTYPE_LOCKED:
1060	pHlp->pfnPrintf(pHlp, "%RGv-%RGv %RHv %RHv LOCKED %-*s %s\n",
1061	pLookup->off + pVM->mm.s.pvHyperAreaGC,
1062	pLookup->off + pVM->mm.s.pvHyperAreaGC + pLookup->cb,
1063	pLookup->u.Locked.pvR3,
1064	pLookup->u.Locked.pvR0,
1065	sizeof(RTHCPTR) * 2,
1066	pLookup->u.Locked.pLockedMem->eType == MM_LOCKED_TYPE_HYPER_NOFREE ? "nofree"
1067	: pLookup->u.Locked.pLockedMem->eType == MM_LOCKED_TYPE_HYPER ? "autofree"
1068	: pLookup->u.Locked.pLockedMem->eType == MM_LOCKED_TYPE_HYPER_PAGES ? "pages"
1069	: pLookup->u.Locked.pLockedMem->eType == MM_LOCKED_TYPE_PHYS ? "gstphys"
1070	: "??",
1071	pLookup->pszDesc);
1072	break;
1073
1074	case MMLOOKUPHYPERTYPE_HCPHYS:
1075	pHlp->pfnPrintf(pHlp, "%RGv-%RGv %RHv %RHv HCPHYS %RHp %s\n",
1076	pLookup->off + pVM->mm.s.pvHyperAreaGC,
1077	pLookup->off + pVM->mm.s.pvHyperAreaGC + pLookup->cb,
1078	pLookup->u.HCPhys.pvR3,
1079	pLookup->u.HCPhys.pvR0,
1080	pLookup->u.HCPhys.HCPhys,
1081	pLookup->pszDesc);
1082	break;
1083
1084	case MMLOOKUPHYPERTYPE_GCPHYS:
1085	pHlp->pfnPrintf(pHlp, "%RGv-%RGv %s GCPHYS %RGp%s %s\n",
1086	pLookup->off + pVM->mm.s.pvHyperAreaGC,
1087	pLookup->off + pVM->mm.s.pvHyperAreaGC + pLookup->cb,
1088	sizeof(RTHCPTR) * 2 * 2 + 1, "",
1089	pLookup->u.GCPhys.GCPhys, RT_ABS((int)(sizeof(RTHCPHYS) - sizeof(RTGCPHYS))) * 2, "",
1090	pLookup->pszDesc);
1091	break;
1092
1093	case MMLOOKUPHYPERTYPE_MMIO2:
1094	pHlp->pfnPrintf(pHlp, "%RGv-%RGv %s MMIO2 %RGp%s %s\n",
1095	pLookup->off + pVM->mm.s.pvHyperAreaGC,
1096	pLookup->off + pVM->mm.s.pvHyperAreaGC + pLookup->cb,
1097	sizeof(RTHCPTR) * 2 * 2 + 1, "",
1098	pLookup->u.MMIO2.off, RT_ABS((int)(sizeof(RTHCPHYS) - sizeof(RTGCPHYS))) * 2, "",
1099	pLookup->pszDesc);
1100	break;
1101
1102	case MMLOOKUPHYPERTYPE_DYNAMIC:
1103	pHlp->pfnPrintf(pHlp, "%RGv-%RGv %s DYNAMIC %s %s\n",
1104	pLookup->off + pVM->mm.s.pvHyperAreaGC,
1105	pLookup->off + pVM->mm.s.pvHyperAreaGC + pLookup->cb,
1106	sizeof(RTHCPTR) * 2 * 2 + 1, "",
1107	sizeof(RTHCPTR) * 2, "",
1108	pLookup->pszDesc);
1109	break;
1110
1111	default:
1112	AssertMsgFailed(("enmType=%d\n", pLookup->enmType));
1113	break;
1114	}
1115
1116	/* next */
1117	if ((unsigned)pLookup->offNext == NIL_OFFSET)
1118	break;
1119	pLookup = (PMMLOOKUPHYPER)((uint8_t *)pLookup + pLookup->offNext);
1120	}
1121	}
1122

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source: vbox/trunk/src/VBox/VMM/MMHyper.cpp@ 14981

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