MMHyper.cpp@ 13813

Last change on this file since 13813 was 13796, checked in by vboxsync, 16 years ago
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1	/* $Id: MMHyper.cpp 13796 2008-11-04 18:37:33Z 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);
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 (VBOX_FAILURE(rc))
82	{
83	LogRel(("MM/cbHyperHeap query -> %Vrc\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);
95	if (VBOX_SUCCESS(rc))
96	{
97	pVM->mm.s.pHyperHeapR0 = (uintptr_t)pVM->mm.s.pHyperHeapR3; /** @todo #1865: map into ring-0 / whatever. */
98
99	/*
100	* Make a small head fence to fend of accidental sequential access.
101	*/
102	MMR3HyperReserve(pVM, PAGE_SIZE, "fence", NULL);
103
104	/*
105	* Map the VM structure into the hypervisor space.
106	*/
107	AssertRelease(pVM->cbSelf == RT_UOFFSETOF(VM, aCpus[pVM->cCPUs]));
108	RTGCPTR GCPtr;
109	rc = MMR3HyperMapPages(pVM, pVM, pVM->pVMR0, RT_ALIGN_Z(pVM->cbSelf, PAGE_SIZE) >> PAGE_SHIFT, pVM->paVMPagesR3, "VM", &GCPtr);
110	if (VBOX_SUCCESS(rc))
111	{
112	pVM->pVMRC = (RTGCPTR32)GCPtr;
113	pVM->pVMGC = pVM->pVMRC;
114	for (uint32_t i = 0; i < pVM->cCPUs; i++)
115	pVM->aCpus[i].pVMRC = pVM->pVMRC;
116
117	/* Reserve a page for fencing. */
118	MMR3HyperReserve(pVM, PAGE_SIZE, "fence", NULL);
119
120	/*
121	* Map the heap into the hypervisor space.
122	*/
123	rc = mmR3HyperHeapMap(pVM, pVM->mm.s.pHyperHeapR3, &GCPtr);
124	if (VBOX_SUCCESS(rc))
125	{
126	pVM->mm.s.pHyperHeapRC = (RTRCPTR)GCPtr;
127	Assert(pVM->mm.s.pHyperHeapRC == GCPtr);
128
129	/*
130	* Register info handlers.
131	*/
132	DBGFR3InfoRegisterInternal(pVM, "hma", "Show the layout of the Hypervisor Memory Area.", mmR3HyperInfoHma);
133
134	LogFlow(("mmR3HyperInit: returns VINF_SUCCESS\n"));
135	return VINF_SUCCESS;
136	}
137	/* Caller will do proper cleanup. */
138	}
139	}
140
141	LogFlow(("mmR3HyperInit: returns %Vrc\n", rc));
142	return rc;
143	}
144
145
146	/**
147	* Finalizes the HMA mapping.
148	*
149	* This is called later during init, most (all) HMA allocations should be done
150	* by the time this function is called.
151	*
152	* @returns VBox status.
153	*/
154	VMMR3DECL(int) MMR3HyperInitFinalize(PVM pVM)
155	{
156	LogFlow(("MMR3HyperInitFinalize:\n"));
157
158	/*
159	* Adjust and create the HMA mapping.
160	*/
161	while ((RTINT)pVM->mm.s.offHyperNextStatic + 64*_1K < (RTINT)pVM->mm.s.cbHyperArea - _4M)
162	pVM->mm.s.cbHyperArea -= _4M;
163	int rc = PGMR3MapPT(pVM, pVM->mm.s.pvHyperAreaGC, pVM->mm.s.cbHyperArea,
164	mmR3HyperRelocateCallback, NULL, "Hypervisor Memory Area");
165	if (VBOX_FAILURE(rc))
166	return rc;
167	pVM->mm.s.fPGMInitialized = true;
168
169	/*
170	* Do all the delayed mappings.
171	*/
172	PMMLOOKUPHYPER pLookup = (PMMLOOKUPHYPER)((uintptr_t)pVM->mm.s.pHyperHeapR3 + pVM->mm.s.offLookupHyper);
173	for (;;)
174	{
175	RTGCPTR GCPtr = pVM->mm.s.pvHyperAreaGC + pLookup->off;
176	unsigned cPages = pLookup->cb >> PAGE_SHIFT;
177	switch (pLookup->enmType)
178	{
179	case MMLOOKUPHYPERTYPE_LOCKED:
180	rc = mmR3MapLocked(pVM, pLookup->u.Locked.pLockedMem, GCPtr, 0, cPages, 0);
181	break;
182
183	case MMLOOKUPHYPERTYPE_HCPHYS:
184	rc = PGMMap(pVM, GCPtr, pLookup->u.HCPhys.HCPhys, pLookup->cb, 0);
185	break;
186
187	case MMLOOKUPHYPERTYPE_GCPHYS:
188	{
189	const RTGCPHYS GCPhys = pLookup->u.GCPhys.GCPhys;
190	const size_t cb = pLookup->cb;
191	for (unsigned off = 0; off < cb; off += PAGE_SIZE)
192	{
193	RTHCPHYS HCPhys;
194	rc = PGMPhysGCPhys2HCPhys(pVM, GCPhys + off, &HCPhys);
195	if (VBOX_FAILURE(rc))
196	break;
197	rc = PGMMap(pVM, GCPtr + off, HCPhys, PAGE_SIZE, 0);
198	if (VBOX_FAILURE(rc))
199	break;
200	}
201	break;
202	}
203
204	case MMLOOKUPHYPERTYPE_MMIO2:
205	{
206	const RTGCPHYS offEnd = pLookup->u.MMIO2.off + pLookup->cb;
207	for (RTGCPHYS offCur = pLookup->u.MMIO2.off; offCur < offEnd; offCur += PAGE_SIZE)
208	{
209	RTHCPHYS HCPhys;
210	rc = PGMR3PhysMMIO2GetHCPhys(pVM, pLookup->u.MMIO2.pDevIns, pLookup->u.MMIO2.iRegion, offCur, &HCPhys);
211	if (RT_FAILURE(rc))
212	break;
213	rc = PGMMap(pVM, GCPtr + (offCur - pLookup->u.MMIO2.off), HCPhys, PAGE_SIZE, 0);
214	if (RT_FAILURE(rc))
215	break;
216	}
217	break;
218	}
219
220	case MMLOOKUPHYPERTYPE_DYNAMIC:
221	/* do nothing here since these are either fences or managed by someone else using PGM. */
222	break;
223
224	default:
225	AssertMsgFailed(("enmType=%d\n", pLookup->enmType));
226	break;
227	}
228
229	if (VBOX_FAILURE(rc))
230	{
231	AssertMsgFailed(("rc=%Vrc cb=%d GCPtr=%VGv enmType=%d pszDesc=%s\n",
232	rc, pLookup->cb, pLookup->enmType, pLookup->pszDesc));
233	return rc;
234	}
235
236	/* next */
237	if (pLookup->offNext == (int32_t)NIL_OFFSET)
238	break;
239	pLookup = (PMMLOOKUPHYPER)((uintptr_t)pLookup + pLookup->offNext);
240	}
241
242	LogFlow(("MMR3HyperInitFinalize: returns VINF_SUCCESS\n"));
243	return VINF_SUCCESS;
244	}
245
246
247	/**
248	* Callback function which will be called when PGM is trying to find
249	* a new location for the mapping.
250	*
251	* The callback is called in two modes, 1) the check mode and 2) the relocate mode.
252	* In 1) the callback should say if it objects to a suggested new location. If it
253	* accepts the new location, it is called again for doing it's relocation.
254	*
255	*
256	* @returns true if the location is ok.
257	* @returns false if another location should be found.
258	* @param pVM The VM handle.
259	* @param GCPtrOld The old virtual address.
260	* @param GCPtrNew The new virtual address.
261	* @param enmMode Used to indicate the callback mode.
262	* @param pvUser User argument. Ignored.
263	* @remark The return value is no a failure indicator, it's an acceptance
264	* indicator. Relocation can not fail!
265	*/
266	static DECLCALLBACK(bool) mmR3HyperRelocateCallback(PVM pVM, RTGCPTR GCPtrOld, RTGCPTR GCPtrNew, PGMRELOCATECALL enmMode, void *pvUser)
267	{
268	switch (enmMode)
269	{
270	/*
271	* Verify location - all locations are good for us.
272	*/
273	case PGMRELOCATECALL_SUGGEST:
274	return true;
275
276	/*
277	* Execute the relocation.
278	*/
279	case PGMRELOCATECALL_RELOCATE:
280	{
281	/*
282	* Accepted!
283	*/
284	AssertMsg(GCPtrOld == pVM->mm.s.pvHyperAreaGC, ("GCPtrOld=%VGv pVM->mm.s.pvHyperAreaGC=%VGv\n", GCPtrOld, pVM->mm.s.pvHyperAreaGC));
285	Log(("Relocating the hypervisor from %VGv to %VGv\n", GCPtrOld, GCPtrNew));
286
287	/*
288	* Relocate the VM structure and ourselves.
289	*/
290	RTGCINTPTR offDelta = GCPtrNew - GCPtrOld;
291	pVM->pVMRC += offDelta;
292	pVM->pVMGC = pVM->pVMRC;
293	for (uint32_t i = 0; i < pVM->cCPUs; i++)
294	pVM->aCpus[i].pVMRC = pVM->pVMRC;
295
296	pVM->mm.s.pvHyperAreaGC += offDelta;
297	Assert(pVM->mm.s.pvHyperAreaGC < _4G);
298	pVM->mm.s.pHyperHeapRC += offDelta;
299	pVM->mm.s.pHyperHeapR3->pbHeapRC += offDelta;
300	pVM->mm.s.pHyperHeapR3->pVMRC = pVM->pVMRC;
301
302	/*
303	* Relocate the rest.
304	*/
305	VMR3Relocate(pVM, offDelta);
306	return true;
307	}
308
309	default:
310	AssertMsgFailed(("Invalid relocation mode %d\n", enmMode));
311	}
312
313	return false;
314	}
315
316
317	/**
318	* Maps contiguous HC physical memory into the hypervisor region in the GC.
319	*
320	* @return VBox status code.
321	*
322	* @param pVM VM handle.
323	* @param pvR3 Host context address of the memory. Must be page
324	* aligned!
325	* @param HCPhys Host context physical address of the memory to be
326	* mapped. Must be page aligned!
327	* @param cb Size of the memory. Will be rounded up to nearest page.
328	* @param pszDesc Description.
329	* @param pGCPtr Where to store the GC address.
330	*/
331	VMMR3DECL(int) MMR3HyperMapHCPhys(PVM pVM, void pvR3, RTHCPHYS HCPhys, size_t cb, const char pszDesc, PRTGCPTR pGCPtr)
332	{
333	LogFlow(("MMR3HyperMapHCPhys: pvR3=%p HCPhys=%RHp cb=%d pszDesc=%p:{%s} pGCPtr=%p\n", pvR3, HCPhys, (int)cb, pszDesc, pszDesc, pGCPtr));
334
335	/*
336	* Validate input.
337	*/
338	AssertReturn(RT_ALIGN_P(pvR3, PAGE_SIZE) == pvR3, VERR_INVALID_PARAMETER);
339	AssertReturn(RT_ALIGN_T(HCPhys, PAGE_SIZE, RTHCPHYS) == HCPhys, VERR_INVALID_PARAMETER);
340	AssertReturn(pszDesc && *pszDesc, VERR_INVALID_PARAMETER);
341
342	/*
343	* Add the memory to the hypervisor area.
344	*/
345	uint32_t cbAligned = RT_ALIGN_32(cb, PAGE_SIZE);
346	AssertReturn(cbAligned >= cb, VERR_INVALID_PARAMETER);
347	RTGCPTR GCPtr;
348	PMMLOOKUPHYPER pLookup;
349	int rc = mmR3HyperMap(pVM, cbAligned, pszDesc, &GCPtr, &pLookup);
350	if (VBOX_SUCCESS(rc))
351	{
352	pLookup->enmType = MMLOOKUPHYPERTYPE_HCPHYS;
353	pLookup->u.HCPhys.pvR3 = pvR3;
354	pLookup->u.HCPhys.HCPhys = HCPhys;
355
356	/*
357	* Update the page table.
358	*/
359	if (pVM->mm.s.fPGMInitialized)
360	rc = PGMMap(pVM, GCPtr, HCPhys, cbAligned, 0);
361	if (VBOX_SUCCESS(rc))
362	*pGCPtr = GCPtr;
363	}
364	return rc;
365	}
366
367
368	/**
369	* Maps contiguous GC physical memory into the hypervisor region in the GC.
370	*
371	* @return VBox status code.
372	*
373	* @param pVM VM handle.
374	* @param GCPhys Guest context physical address of the memory to be mapped. Must be page aligned!
375	* @param cb Size of the memory. Will be rounded up to nearest page.
376	* @param pszDesc Mapping description.
377	* @param pGCPtr Where to store the GC address.
378	*/
379	VMMR3DECL(int) MMR3HyperMapGCPhys(PVM pVM, RTGCPHYS GCPhys, size_t cb, const char *pszDesc, PRTGCPTR pGCPtr)
380	{
381	LogFlow(("MMR3HyperMapGCPhys: GCPhys=%VGp cb=%d pszDesc=%p:{%s} pGCPtr=%p\n", GCPhys, (int)cb, pszDesc, pszDesc, pGCPtr));
382
383	/*
384	* Validate input.
385	*/
386	AssertReturn(RT_ALIGN_T(GCPhys, PAGE_SIZE, RTGCPHYS) == GCPhys, VERR_INVALID_PARAMETER);
387	AssertReturn(pszDesc && *pszDesc, VERR_INVALID_PARAMETER);
388
389	/*
390	* Add the memory to the hypervisor area.
391	*/
392	cb = RT_ALIGN_Z(cb, PAGE_SIZE);
393	RTGCPTR GCPtr;
394	PMMLOOKUPHYPER pLookup;
395	int rc = mmR3HyperMap(pVM, cb, pszDesc, &GCPtr, &pLookup);
396	if (VBOX_SUCCESS(rc))
397	{
398	pLookup->enmType = MMLOOKUPHYPERTYPE_GCPHYS;
399	pLookup->u.GCPhys.GCPhys = GCPhys;
400
401	/*
402	* Update the page table.
403	*/
404	for (unsigned off = 0; off < cb; off += PAGE_SIZE)
405	{
406	RTHCPHYS HCPhys;
407	rc = PGMPhysGCPhys2HCPhys(pVM, GCPhys + off, &HCPhys);
408	AssertRC(rc);
409	if (VBOX_FAILURE(rc))
410	{
411	AssertMsgFailed(("rc=%Vrc GCPhys=%VGv off=%#x %s\n", rc, GCPhys, off, pszDesc));
412	break;
413	}
414	if (pVM->mm.s.fPGMInitialized)
415	{
416	rc = PGMMap(pVM, GCPtr + off, HCPhys, PAGE_SIZE, 0);
417	AssertRC(rc);
418	if (VBOX_FAILURE(rc))
419	{
420	AssertMsgFailed(("rc=%Vrc GCPhys=%VGv off=%#x %s\n", rc, GCPhys, off, pszDesc));
421	break;
422	}
423	}
424	}
425
426	if (VBOX_SUCCESS(rc) && pGCPtr)
427	*pGCPtr = GCPtr;
428	}
429	return rc;
430	}
431
432
433	/**
434	* Maps a portion of an MMIO2 region into the hypervisor region.
435	*
436	* Callers of this API must never deregister the MMIO2 region before the
437	* VM is powered off. If this becomes a requirement MMR3HyperUnmapMMIO2
438	* API will be needed to perform cleanups.
439	*
440	* @return VBox status code.
441	*
442	* @param pVM Pointer to the shared VM structure.
443	* @param pDevIns The device owning the MMIO2 memory.
444	* @param iRegion The region.
445	* @param off The offset into the region. Will be rounded down to closest page boundrary.
446	* @param cb The number of bytes to map. Will be rounded up to the closest page boundrary.
447	* @param pszDesc Mapping description.
448	* @param pRCPtr Where to store the RC address.
449	*/
450	VMMR3DECL(int) MMR3HyperMapMMIO2(PVM pVM, PPDMDEVINS pDevIns, uint32_t iRegion, RTGCPHYS off, RTGCPHYS cb,
451	const char *pszDesc, PRTRCPTR pRCPtr)
452	{
453	LogFlow(("MMR3HyperMapMMIO2: pDevIns=%p iRegion=%#x off=%VGp cb=%VGp pszDesc=%p:{%s} pRCPtr=%p\n",
454	pDevIns, iRegion, off, cb, pszDesc, pszDesc, pRCPtr));
455	int rc;
456
457	/*
458	* Validate input.
459	*/
460	AssertReturn(pszDesc && *pszDesc, VERR_INVALID_PARAMETER);
461	AssertReturn(off + cb > off, VERR_INVALID_PARAMETER);
462	uint32_t const offPage = off & PAGE_OFFSET_MASK;
463	off &= ~(RTGCPHYS)PAGE_OFFSET_MASK;
464	cb += offPage;
465	cb = RT_ALIGN_Z(cb, PAGE_SIZE);
466	const RTGCPHYS offEnd = off + cb;
467	AssertReturn(offEnd > off, VERR_INVALID_PARAMETER);
468	for (RTGCPHYS offCur = off; offCur < offEnd; offCur += PAGE_SIZE)
469	{
470	RTHCPHYS HCPhys;
471	rc = PGMR3PhysMMIO2GetHCPhys(pVM, pDevIns, iRegion, offCur, &HCPhys);
472	AssertMsgRCReturn(rc, ("rc=%Rrc - iRegion=%d off=%RGp\n", rc, iRegion, off), rc);
473	}
474
475	/*
476	* Add the memory to the hypervisor area.
477	*/
478	RTGCPTR GCPtr;
479	PMMLOOKUPHYPER pLookup;
480	rc = mmR3HyperMap(pVM, cb, pszDesc, &GCPtr, &pLookup);
481	if (VBOX_SUCCESS(rc))
482	{
483	pLookup->enmType = MMLOOKUPHYPERTYPE_MMIO2;
484	pLookup->u.MMIO2.pDevIns = pDevIns;
485	pLookup->u.MMIO2.iRegion = iRegion;
486	pLookup->u.MMIO2.off = off;
487
488	/*
489	* Update the page table.
490	*/
491	if (pVM->mm.s.fPGMInitialized)
492	{
493	for (RTGCPHYS offCur = off; offCur < offEnd; offCur += PAGE_SIZE)
494	{
495	RTHCPHYS HCPhys;
496	rc = PGMR3PhysMMIO2GetHCPhys(pVM, pDevIns, iRegion, offCur, &HCPhys);
497	AssertRCReturn(rc, VERR_INTERNAL_ERROR);
498	rc = PGMMap(pVM, GCPtr + (offCur - off), HCPhys, PAGE_SIZE, 0);
499	if (VBOX_FAILURE(rc))
500	{
501	AssertMsgFailed(("rc=%Vrc offCur=%RGp %s\n", rc, offCur, pszDesc));
502	break;
503	}
504	}
505	}
506
507	if (VBOX_SUCCESS(rc))
508	{
509	GCPtr \|= offPage;
510	*pRCPtr = GCPtr;
511	AssertLogRelReturn(*pRCPtr == GCPtr, VERR_INTERNAL_ERROR);
512	}
513	}
514	return rc;
515	}
516
517
518	/**
519	* Locks and Maps HC virtual memory into the hypervisor region in the GC.
520	*
521	* @return VBox status code.
522	*
523	* @param pVM VM handle.
524	* @param pvR3 Host context address of the memory (may be not page
525	* aligned).
526	* @param cb Size of the memory. Will be rounded up to nearest page.
527	* @param fFree Set this if MM is responsible for freeing the memory
528	* using SUPPageFree.
529	* @param pszDesc Mapping description.
530	* @param pGCPtr Where to store the GC address corresponding to pvR3.
531	*/
532	VMMR3DECL(int) MMR3HyperMapHCRam(PVM pVM, void pvR3, size_t cb, bool fFree, const char pszDesc, PRTGCPTR pGCPtr)
533	{
534	LogFlow(("MMR3HyperMapHCRam: pvR3=%p cb=%d fFree=%d pszDesc=%p:{%s} pGCPtr=%p\n", pvR3, (int)cb, fFree, pszDesc, pszDesc, pGCPtr));
535
536	/*
537	* Validate input.
538	*/
539	if ( !pvR3
540	\|\| cb <= 0
541	\|\| !pszDesc
542	\|\| !*pszDesc)
543	{
544	AssertMsgFailed(("Invalid parameter\n"));
545	return VERR_INVALID_PARAMETER;
546	}
547
548	/*
549	* Page align address and size.
550	*/
551	void pvR3Page = (void )((uintptr_t)pvR3 & PAGE_BASE_HC_MASK);
552	cb += (uintptr_t)pvR3 & PAGE_OFFSET_MASK;
553	cb = RT_ALIGN_Z(cb, PAGE_SIZE);
554
555	/*
556	* Add the memory to the hypervisor area.
557	*/
558	RTGCPTR GCPtr;
559	PMMLOOKUPHYPER pLookup;
560	int rc = mmR3HyperMap(pVM, cb, pszDesc, &GCPtr, &pLookup);
561	if (VBOX_SUCCESS(rc))
562	{
563	/*
564	* Lock the heap memory and tell PGM about the locked pages.
565	*/
566	PMMLOCKEDMEM pLockedMem;
567	rc = mmR3LockMem(pVM, pvR3Page, cb, fFree ? MM_LOCKED_TYPE_HYPER : MM_LOCKED_TYPE_HYPER_NOFREE, &pLockedMem, false /* fSilentFailure */);
568	if (VBOX_SUCCESS(rc))
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 (VBOX_SUCCESS(rc))
574	{
575	pLookup->enmType = MMLOOKUPHYPERTYPE_LOCKED;
576	pLookup->u.Locked.pvR3 = pvR3;
577	pLookup->u.Locked.pvR0 = NIL_RTR0PTR;
578	pLookup->u.Locked.pLockedMem = pLockedMem;
579
580	/* done. */
581	GCPtr \|= (uintptr_t)pvR3 & PAGE_OFFSET_MASK;
582	*pGCPtr = GCPtr;
583	return rc;
584	}
585	/* Don't care about failure clean, we're screwed if this fails anyway. */
586	}
587	}
588
589	return rc;
590	}
591
592
593	/**
594	* Maps locked R3 virtual memory into the hypervisor region in the GC.
595	*
596	* @return VBox status code.
597	*
598	* @param pVM VM handle.
599	* @param pvR3 The ring-3 address of the memory, must be page aligned.
600	* @param pvR0 The ring-0 address of the memory, must be page aligned. (optional)
601	* @param cPages The number of pages.
602	* @param paPages The page descriptors.
603	* @param pszDesc Mapping description.
604	* @param pGCPtr Where to store the GC address corresponding to pvR3.
605	*/
606	VMMR3DECL(int) MMR3HyperMapPages(PVM pVM, void pvR3, RTR0PTR pvR0, size_t cPages, PCSUPPAGE paPages, const char pszDesc, PRTGCPTR pGCPtr)
607	{
608	LogFlow(("MMR3HyperMapPages: pvR3=%p pvR0=%p cPages=%zu paPages=%p pszDesc=%p:{%s} pGCPtr=%p\n",
609	pvR3, pvR0, cPages, paPages, pszDesc, pszDesc, pGCPtr));
610
611	/*
612	* Validate input.
613	*/
614	AssertPtrReturn(pvR3, VERR_INVALID_POINTER);
615	AssertPtrReturn(paPages, VERR_INVALID_POINTER);
616	AssertReturn(cPages > 0, VERR_INVALID_PARAMETER);
617	AssertReturn(cPages < 1024, VERR_INVALID_PARAMETER);
618	AssertPtrReturn(pszDesc, VERR_INVALID_POINTER);
619	AssertReturn(*pszDesc, VERR_INVALID_PARAMETER);
620	AssertPtrReturn(pGCPtr, VERR_INVALID_PARAMETER);
621
622	/*
623	* Add the memory to the hypervisor area.
624	*/
625	RTGCPTR GCPtr;
626	PMMLOOKUPHYPER pLookup;
627	int rc = mmR3HyperMap(pVM, cPages << PAGE_SHIFT, pszDesc, &GCPtr, &pLookup);
628	if (VBOX_SUCCESS(rc))
629	{
630	/*
631	* Create a locked memory record and tell PGM about this.
632	*/
633	PMMLOCKEDMEM pLockedMem = (PMMLOCKEDMEM)MMR3HeapAlloc(pVM, MM_TAG_MM, RT_OFFSETOF(MMLOCKEDMEM, aPhysPages[cPages]));
634	if (pLockedMem)
635	{
636	pLockedMem->pv = pvR3;
637	pLockedMem->cb = cPages << PAGE_SHIFT;
638	pLockedMem->eType = MM_LOCKED_TYPE_HYPER_PAGES;
639	memset(&pLockedMem->u, 0, sizeof(pLockedMem->u));
640	for (size_t i = 0; i < cPages; i++)
641	{
642	AssertReleaseReturn(paPages[i].Phys != 0 && paPages[i].Phys != NIL_RTHCPHYS && !(paPages[i].Phys & PAGE_OFFSET_MASK), VERR_INTERNAL_ERROR);
643	pLockedMem->aPhysPages[i].Phys = paPages[i].Phys;
644	pLockedMem->aPhysPages[i].uReserved = (RTHCUINTPTR)pLockedMem;
645	}
646
647	/* map the stuff into guest address space. */
648	if (pVM->mm.s.fPGMInitialized)
649	rc = mmR3MapLocked(pVM, pLockedMem, GCPtr, 0, ~(size_t)0, 0);
650	if (VBOX_SUCCESS(rc))
651	{
652	pLookup->enmType = MMLOOKUPHYPERTYPE_LOCKED;
653	pLookup->u.Locked.pvR3 = pvR3;
654	pLookup->u.Locked.pvR0 = pvR0;
655	pLookup->u.Locked.pLockedMem = pLockedMem;
656
657	/* done. */
658	*pGCPtr = GCPtr;
659	return rc;
660	}
661	/* Don't care about failure clean, we're screwed if this fails anyway. */
662	}
663	}
664
665	return rc;
666	}
667
668
669	/**
670	* Reserves a hypervisor memory area.
671	* Most frequent usage is fence pages and dynamically mappings like the guest PD and PDPT.
672	*
673	* @return VBox status code.
674	*
675	* @param pVM VM handle.
676	* @param cb Size of the memory. Will be rounded up to nearest page.
677	* @param pszDesc Mapping description.
678	* @param pGCPtr Where to store the assigned GC address. Optional.
679	*/
680	VMMR3DECL(int) MMR3HyperReserve(PVM pVM, unsigned cb, const char *pszDesc, PRTGCPTR pGCPtr)
681	{
682	LogFlow(("MMR3HyperMapHCRam: cb=%d pszDesc=%p:{%s} pGCPtr=%p\n", (int)cb, pszDesc, pszDesc, pGCPtr));
683
684	/*
685	* Validate input.
686	*/
687	if ( cb <= 0
688	\|\| !pszDesc
689	\|\| !*pszDesc)
690	{
691	AssertMsgFailed(("Invalid parameter\n"));
692	return VERR_INVALID_PARAMETER;
693	}
694
695	/*
696	* Add the memory to the hypervisor area.
697	*/
698	RTGCPTR GCPtr;
699	PMMLOOKUPHYPER pLookup;
700	int rc = mmR3HyperMap(pVM, cb, pszDesc, &GCPtr, &pLookup);
701	if (VBOX_SUCCESS(rc))
702	{
703	pLookup->enmType = MMLOOKUPHYPERTYPE_DYNAMIC;
704	if (pGCPtr)
705	*pGCPtr = GCPtr;
706	return VINF_SUCCESS;
707	}
708	return rc;
709	}
710
711
712	/**
713	* Adds memory to the hypervisor memory arena.
714	*
715	* @return VBox status code.
716	* @param pVM The VM handle.
717	* @param cb Size of the memory. Will be rounded up to neares page.
718	* @param pszDesc The description of the memory.
719	* @param pGCPtr Where to store the GC address.
720	* @param ppLookup Where to store the pointer to the lookup record.
721	* @remark We assume the threading structure of VBox imposes natural
722	* serialization of most functions, this one included.
723	*/
724	static int mmR3HyperMap(PVM pVM, const size_t cb, const char pszDesc, PRTGCPTR pGCPtr, PMMLOOKUPHYPER ppLookup)
725	{
726	/*
727	* Validate input.
728	*/
729	const uint32_t cbAligned = RT_ALIGN(cb, PAGE_SIZE);
730	AssertReturn(cbAligned >= cb, VERR_INVALID_PARAMETER);
731	if (pVM->mm.s.offHyperNextStatic + cbAligned >= pVM->mm.s.cbHyperArea) /* don't use the last page, it's a fence. */
732	{
733	AssertMsgFailed(("Out of static mapping space in the HMA! offHyperAreaGC=%x cbAligned=%x\n",
734	pVM->mm.s.offHyperNextStatic, cbAligned));
735	return VERR_NO_MEMORY;
736	}
737
738	/*
739	* Allocate lookup record.
740	*/
741	PMMLOOKUPHYPER pLookup;
742	int rc = MMHyperAlloc(pVM, sizeof(pLookup), 1, MM_TAG_MM, (void *)&pLookup);
743	if (VBOX_SUCCESS(rc))
744	{
745	/*
746	* Initialize it and insert it.
747	*/
748	pLookup->offNext = pVM->mm.s.offLookupHyper;
749	pLookup->cb = cbAligned;
750	pLookup->off = pVM->mm.s.offHyperNextStatic;
751	pVM->mm.s.offLookupHyper = (uint8_t )pLookup - (uint8_t )pVM->mm.s.pHyperHeapR3;
752	if (pLookup->offNext != (int32_t)NIL_OFFSET)
753	pLookup->offNext -= pVM->mm.s.offLookupHyper;
754	pLookup->enmType = MMLOOKUPHYPERTYPE_INVALID;
755	memset(&pLookup->u, 0xff, sizeof(pLookup->u));
756	pLookup->pszDesc = pszDesc;
757
758	/* Mapping. */
759	*pGCPtr = pVM->mm.s.pvHyperAreaGC + pVM->mm.s.offHyperNextStatic;
760	pVM->mm.s.offHyperNextStatic += cbAligned;
761
762	/* Return pointer. */
763	*ppLookup = pLookup;
764	}
765
766	AssertRC(rc);
767	LogFlow(("mmR3HyperMap: returns %Vrc pGCPtr=%VGv\n", rc, pGCPtr));
768	return rc;
769	}
770
771
772	/**
773	* Allocates a new heap.
774	*
775	* @returns VBox status code.
776	* @param pVM The VM handle.
777	* @param cb The size of the new heap.
778	* @param ppHeap Where to store the heap pointer on successful return.
779	*/
780	static int mmR3HyperHeapCreate(PVM pVM, const size_t cb, PMMHYPERHEAP *ppHeap)
781	{
782	/*
783	* Allocate the hypervisor heap.
784	*/
785	const uint32_t cbAligned = RT_ALIGN_Z(cb, PAGE_SIZE);
786	AssertReturn(cbAligned >= cb, VERR_INVALID_PARAMETER);
787	void *pv;
788	int rc = SUPPageAlloc(cbAligned >> PAGE_SHIFT, &pv); /** @todo #1865: heap allocation must be changed for osx (only). */
789	if (VBOX_SUCCESS(rc))
790	{
791	/*
792	* Initialize the heap and first free chunk.
793	*/
794	PMMHYPERHEAP pHeap = (PMMHYPERHEAP)pv;
795	pHeap->u32Magic = MMHYPERHEAP_MAGIC;
796	pHeap->pbHeapR3 = (uint8_t *)pHeap + MMYPERHEAP_HDR_SIZE;
797	pHeap->pbHeapR0 = (uintptr_t)pHeap->pbHeapR3; /** @todo #1865: Map heap into ring-0 on darwin. */
798	//pHeap->pbHeapGC = 0; // set by mmR3HyperHeapMap()
799	pHeap->pVMR3 = pVM;
800	pHeap->pVMR0 = pVM->pVMR0;
801	pHeap->pVMRC = pVM->pVMRC;
802	pHeap->cbHeap = cbAligned - MMYPERHEAP_HDR_SIZE;
803	pHeap->cbFree = pHeap->cbHeap - sizeof(MMHYPERCHUNK);
804	//pHeap->offFreeHead = 0;
805	//pHeap->offFreeTail = 0;
806	pHeap->offPageAligned = pHeap->cbHeap;
807	//pHeap->HyperHeapStatTree = 0;
808
809	PMMHYPERCHUNKFREE pFree = (PMMHYPERCHUNKFREE)pHeap->pbHeapR3;
810	pFree->cb = pHeap->cbFree;
811	//pFree->core.offNext = 0;
812	MMHYPERCHUNK_SET_TYPE(&pFree->core, MMHYPERCHUNK_FLAGS_FREE);
813	pFree->core.offHeap = -(int32_t)MMYPERHEAP_HDR_SIZE;
814	//pFree->offNext = 0;
815	//pFree->offPrev = 0;
816
817	STAMR3Register(pVM, &pHeap->cbHeap, STAMTYPE_U32, STAMVISIBILITY_ALWAYS, "/MM/HyperHeap/cbHeap", STAMUNIT_BYTES, "The heap size.");
818	STAMR3Register(pVM, &pHeap->cbFree, STAMTYPE_U32, STAMVISIBILITY_ALWAYS, "/MM/HyperHeap/cbFree", STAMUNIT_BYTES, "The free space.");
819
820	*ppHeap = pHeap;
821	return VINF_SUCCESS;
822	}
823	AssertMsgFailed(("SUPPageAlloc(%d,) -> %Vrc\n", cbAligned >> PAGE_SHIFT, rc));
824
825	*ppHeap = NULL;
826	return rc;
827	}
828
829
830	/**
831	* Allocates a new heap.
832	*/
833	static int mmR3HyperHeapMap(PVM pVM, PMMHYPERHEAP pHeap, PRTGCPTR ppHeapGC)
834	{
835	int rc = MMR3HyperMapHCRam(pVM, pHeap, pHeap->cbHeap + MMYPERHEAP_HDR_SIZE, true, "Heap", ppHeapGC);
836	if (VBOX_SUCCESS(rc))
837	{
838	pHeap->pVMRC = pVM->pVMRC;
839	pHeap->pbHeapRC = *ppHeapGC + MMYPERHEAP_HDR_SIZE;
840	/* Reserve a page for fencing. */
841	MMR3HyperReserve(pVM, PAGE_SIZE, "fence", NULL);
842	}
843	return rc;
844	}
845
846
847	#if 0
848	/**
849	* Destroys a heap.
850	*/
851	static int mmR3HyperHeapDestroy(PVM pVM, PMMHYPERHEAP pHeap)
852	{
853	/* all this is dealt with when unlocking and freeing locked memory. */
854	}
855	#endif
856
857
858	/**
859	* Allocates memory in the Hypervisor (GC VMM) area which never will
860	* be freed and doesn't have any offset based relation to other heap blocks.
861	*
862	* The latter means that two blocks allocated by this API will not have the
863	* same relative position to each other in GC and HC. In short, never use
864	* this API for allocating nodes for an offset based AVL tree!
865	*
866	* The returned memory is of course zeroed.
867	*
868	* @returns VBox status code.
869	* @param pVM The VM to operate on.
870	* @param cb Number of bytes to allocate.
871	* @param uAlignment Required memory alignment in bytes.
872	* Values are 0,8,16,32 and PAGE_SIZE.
873	* 0 -> default alignment, i.e. 8 bytes.
874	* @param enmTag The statistics tag.
875	* @param ppv Where to store the address to the allocated
876	* memory.
877	* @remark This is assumed not to be used at times when serialization is required.
878	*/
879	VMMDECL(int) MMR3HyperAllocOnceNoRel(PVM pVM, size_t cb, unsigned uAlignment, MMTAG enmTag, void **ppv)
880	{
881	AssertMsg(cb >= 8, ("Hey! Do you really mean to allocate less than 8 bytes?! cb=%d\n", cb));
882
883	/*
884	* Choose between allocating a new chunk of HMA memory
885	* and the heap. We will only do BIG allocations from HMA.
886	*/
887	if ( cb < _64K
888	&& ( uAlignment != PAGE_SIZE
889	\|\| cb < 48*_1K))
890	{
891	int rc = MMHyperAlloc(pVM, cb, uAlignment, enmTag, ppv);
892	if ( rc != VERR_MM_HYPER_NO_MEMORY
893	\|\| cb <= 8*_1K)
894	{
895	Log2(("MMR3HyperAllocOnceNoRel: cb=%#zx uAlignment=%#x returns %Rrc and *ppv=%p\n",
896	cb, uAlignment, rc, *ppv));
897	return rc;
898	}
899	}
900
901	/*
902	* Validate alignment.
903	*/
904	switch (uAlignment)
905	{
906	case 0:
907	case 8:
908	case 16:
909	case 32:
910	case PAGE_SIZE:
911	break;
912	default:
913	AssertMsgFailed(("Invalid alignment %u\n", uAlignment));
914	return VERR_INVALID_PARAMETER;
915	}
916
917	/*
918	* Allocate the pages and the HMA space.
919	*/
920	cb = RT_ALIGN(cb, PAGE_SIZE);
921	void *pvPages;
922	int rc = SUPPageAlloc(cb >> PAGE_SHIFT, &pvPages);
923	if (VBOX_SUCCESS(rc))
924	{
925	RTGCPTR GCPtr;
926	rc = MMR3HyperMapHCRam(pVM, pvPages, cb, true,
927	MMR3HeapAPrintf(pVM, MM_TAG_MM, "alloc once (%s)", mmR3GetTagName(enmTag)),
928	&GCPtr);
929	if (VBOX_SUCCESS(rc))
930	{
931	*ppv = pvPages;
932	Log2(("MMR3HyperAllocOnceNoRel: cb=%#x uAlignment=%#x returns VINF_SUCCESS and *ppv=%p\n",
933	cb, uAlignment, *ppv));
934	return rc;
935	}
936	AssertMsgFailed(("Failed to allocate %zd bytes! %Rrc\n", cb, rc));
937	SUPPageFree(pvPages, cb >> PAGE_SHIFT);
938
939	/*
940	* HACK ALERT! Try allocate it off the heap so that we don't freak
941	* out during vga/vmmdev mmio2 allocation with certain ram sizes.
942	*/
943	/** @todo make a proper fix for this so we will never end up in this kind of situation! */
944	Log(("MMR3HyperAllocOnceNoRel: MMR3HyperMapHCRam failed with rc=%Rrc, try MMHyperAlloc(,%#d,,) instead\n", rc, cb));
945	int rc2 = MMHyperAlloc(pVM, cb, uAlignment, enmTag, ppv);
946	if (RT_SUCCESS(rc2))
947	{
948	Log2(("MMR3HyperAllocOnceNoRel: cb=%#x uAlignment=%#x returns %Rrc and *ppv=%p\n",
949	cb, uAlignment, rc, *ppv));
950	return rc;
951	}
952	}
953	else
954	AssertMsgFailed(("Failed to allocate %zd bytes! %Rrc\n", cb, rc));
955
956	if (rc == VERR_NO_MEMORY)
957	rc = VERR_MM_HYPER_NO_MEMORY;
958	LogRel(("MMR3HyperAllocOnceNoRel: cb=%#zx uAlignment=%#x returns %Rrc\n", cb, uAlignment, rc));
959	return rc;
960	}
961
962
963	/**
964	* Convert hypervisor HC virtual address to HC physical address.
965	*
966	* @returns HC physical address.
967	* @param pVM VM Handle
968	* @param pvR3 Host context virtual address.
969	*/
970	VMMR3DECL(RTHCPHYS) MMR3HyperHCVirt2HCPhys(PVM pVM, void *pvR3)
971	{
972	PMMLOOKUPHYPER pLookup = (PMMLOOKUPHYPER)((uint8_t *)pVM->mm.s.pHyperHeapR3 + pVM->mm.s.offLookupHyper);
973	for (;;)
974	{
975	switch (pLookup->enmType)
976	{
977	case MMLOOKUPHYPERTYPE_LOCKED:
978	{
979	unsigned off = (uint8_t )pvR3 - (uint8_t )pLookup->u.Locked.pvR3;
980	if (off < pLookup->cb)
981	return (pLookup->u.Locked.pLockedMem->aPhysPages[off >> PAGE_SHIFT].Phys & X86_PTE_PAE_PG_MASK) \| (off & PAGE_OFFSET_MASK);
982	break;
983	}
984
985	case MMLOOKUPHYPERTYPE_HCPHYS:
986	{
987	unsigned off = (uint8_t )pvR3 - (uint8_t )pLookup->u.HCPhys.pvR3;
988	if (off < pLookup->cb)
989	return pLookup->u.HCPhys.HCPhys + off;
990	break;
991	}
992
993	case MMLOOKUPHYPERTYPE_GCPHYS:
994	case MMLOOKUPHYPERTYPE_MMIO2:
995	case MMLOOKUPHYPERTYPE_DYNAMIC:
996	/* can (or don't want to) convert these kind of records. */
997	break;
998
999	default:
1000	AssertMsgFailed(("enmType=%d\n", pLookup->enmType));
1001	break;
1002	}
1003
1004	/* next */
1005	if ((unsigned)pLookup->offNext == NIL_OFFSET)
1006	break;
1007	pLookup = (PMMLOOKUPHYPER)((uint8_t *)pLookup + pLookup->offNext);
1008	}
1009
1010	AssertMsgFailed(("pvR3=%p is not inside the hypervisor memory area!\n", pvR3));
1011	return NIL_RTHCPHYS;
1012	}
1013
1014
1015	#if 0 /* unused, not implemented */
1016	/**
1017	* Convert hypervisor HC physical address to HC virtual address.
1018	*
1019	* @returns HC virtual address.
1020	* @param pVM VM Handle
1021	* @param HCPhys Host context physical address.
1022	*/
1023	VMMR3DECL(void *) MMR3HyperHCPhys2HCVirt(PVM pVM, RTHCPHYS HCPhys)
1024	{
1025	void *pv;
1026	int rc = MMR3HyperHCPhys2HCVirtEx(pVM, HCPhys, &pv);
1027	if (VBOX_SUCCESS(rc))
1028	return pv;
1029	AssertMsgFailed(("Invalid address HCPhys=%x rc=%d\n", HCPhys, rc));
1030	return NULL;
1031	}
1032
1033
1034	/**
1035	* Convert hypervisor HC physical address to HC virtual address.
1036	*
1037	* @returns VBox status.
1038	* @param pVM VM Handle
1039	* @param HCPhys Host context physical address.
1040	* @param ppv Where to store the HC virtual address.
1041	*/
1042	VMMR3DECL(int) MMR3HyperHCPhys2HCVirtEx(PVM pVM, RTHCPHYS HCPhys, void **ppv)
1043	{
1044	/*
1045	* Linear search.
1046	*/
1047	/** @todo implement when actually used. */
1048	return VERR_INVALID_POINTER;
1049	}
1050	#endif /* unused, not implemented */
1051
1052
1053	/**
1054	* Read hypervisor memory from GC virtual address.
1055	*
1056	* @returns VBox status.
1057	* @param pVM VM handle.
1058	* @param pvDst Destination address (HC of course).
1059	* @param GCPtr GC virtual address.
1060	* @param cb Number of bytes to read.
1061	*
1062	* @remarks For DBGF only.
1063	*/
1064	VMMR3DECL(int) MMR3HyperReadGCVirt(PVM pVM, void *pvDst, RTGCPTR GCPtr, size_t cb)
1065	{
1066	if (GCPtr - pVM->mm.s.pvHyperAreaGC >= pVM->mm.s.cbHyperArea)
1067	return VERR_INVALID_PARAMETER;
1068	return PGMR3MapRead(pVM, pvDst, GCPtr, cb);
1069	}
1070
1071
1072	/**
1073	* Info handler for 'hma', it dumps the list of lookup records for the hypervisor memory area.
1074	*
1075	* @param pVM The VM handle.
1076	* @param pHlp Callback functions for doing output.
1077	* @param pszArgs Argument string. Optional and specific to the handler.
1078	*/
1079	static DECLCALLBACK(void) mmR3HyperInfoHma(PVM pVM, PCDBGFINFOHLP pHlp, const char *pszArgs)
1080	{
1081	pHlp->pfnPrintf(pHlp, "Hypervisor Memory Area (HMA) Layout: Base %VGv, 0x%08x bytes\n",
1082	pVM->mm.s.pvHyperAreaGC, pVM->mm.s.cbHyperArea);
1083
1084	PMMLOOKUPHYPER pLookup = (PMMLOOKUPHYPER)((uint8_t *)pVM->mm.s.pHyperHeapR3 + pVM->mm.s.offLookupHyper);
1085	for (;;)
1086	{
1087	switch (pLookup->enmType)
1088	{
1089	case MMLOOKUPHYPERTYPE_LOCKED:
1090	pHlp->pfnPrintf(pHlp, "%VGv-%VGv %RHv LOCKED %-*s %s\n",
1091	pLookup->off + pVM->mm.s.pvHyperAreaGC,
1092	pLookup->off + pVM->mm.s.pvHyperAreaGC + pLookup->cb,
1093	pLookup->u.Locked.pvR3,
1094	sizeof(RTHCPTR) * 2,
1095	pLookup->u.Locked.pLockedMem->eType == MM_LOCKED_TYPE_HYPER_NOFREE ? "nofree"
1096	: pLookup->u.Locked.pLockedMem->eType == MM_LOCKED_TYPE_HYPER ? "autofree"
1097	: pLookup->u.Locked.pLockedMem->eType == MM_LOCKED_TYPE_HYPER_PAGES ? "pages"
1098	: pLookup->u.Locked.pLockedMem->eType == MM_LOCKED_TYPE_PHYS ? "gstphys"
1099	: "??",
1100	pLookup->pszDesc);
1101	break;
1102
1103	case MMLOOKUPHYPERTYPE_HCPHYS:
1104	pHlp->pfnPrintf(pHlp, "%VGv-%VGv %RHv HCPHYS %VHp %s\n",
1105	pLookup->off + pVM->mm.s.pvHyperAreaGC,
1106	pLookup->off + pVM->mm.s.pvHyperAreaGC + pLookup->cb,
1107	pLookup->u.HCPhys.pvR3, pLookup->u.HCPhys.HCPhys,
1108	pLookup->pszDesc);
1109	break;
1110
1111	case MMLOOKUPHYPERTYPE_GCPHYS:
1112	pHlp->pfnPrintf(pHlp, "%VGv-%VGv %s GCPHYS %VGp%s %s\n",
1113	pLookup->off + pVM->mm.s.pvHyperAreaGC,
1114	pLookup->off + pVM->mm.s.pvHyperAreaGC + pLookup->cb,
1115	sizeof(RTHCPTR) * 2, "",
1116	pLookup->u.GCPhys.GCPhys, RT_ABS((int)(sizeof(RTHCPHYS) - sizeof(RTGCPHYS))) * 2, "",
1117	pLookup->pszDesc);
1118	break;
1119
1120	case MMLOOKUPHYPERTYPE_MMIO2:
1121	pHlp->pfnPrintf(pHlp, "%VGv-%VGv %s MMIO2 %VGp%s %s\n",
1122	pLookup->off + pVM->mm.s.pvHyperAreaGC,
1123	pLookup->off + pVM->mm.s.pvHyperAreaGC + pLookup->cb,
1124	sizeof(RTHCPTR) * 2, "",
1125	pLookup->u.MMIO2.off, RT_ABS((int)(sizeof(RTHCPHYS) - sizeof(RTGCPHYS))) * 2, "",
1126	pLookup->pszDesc);
1127	break;
1128
1129	case MMLOOKUPHYPERTYPE_DYNAMIC:
1130	pHlp->pfnPrintf(pHlp, "%VGv-%VGv %s DYNAMIC %s %s\n",
1131	pLookup->off + pVM->mm.s.pvHyperAreaGC,
1132	pLookup->off + pVM->mm.s.pvHyperAreaGC + pLookup->cb,
1133	sizeof(RTHCPTR) * 2, "",
1134	sizeof(RTHCPTR) * 2, "",
1135	pLookup->pszDesc);
1136	break;
1137
1138	default:
1139	AssertMsgFailed(("enmType=%d\n", pLookup->enmType));
1140	break;
1141	}
1142
1143	/* next */
1144	if ((unsigned)pLookup->offNext == NIL_OFFSET)
1145	break;
1146	pLookup = (PMMLOOKUPHYPER)((uint8_t *)pLookup + pLookup->offNext);
1147	}
1148	}
1149

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source: vbox/trunk/src/VBox/VMM/MMHyper.cpp@ 13813

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