VirtualBox

source: vbox/trunk/src/VBox/VMM/MMHyper.cpp@ 18800

Last change on this file since 18800 was 18800, checked in by vboxsync, 16 years ago

MMHyper: No need to blow up the hyper heap to accomodate PGMCHUNKR3MAP structures any longer, MMUkHeap should take care of that now.
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File size: 40.7 KB
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1/* $Id: MMHyper.cpp 18800 2009-04-07 10:16:27Z 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.215389.xyz. 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*******************************************************************************/
43static DECLCALLBACK(bool) mmR3HyperRelocateCallback(PVM pVM, RTGCPTR GCPtrOld, RTGCPTR GCPtrNew, PGMRELOCATECALL enmMode, void *pvUser);
44static int mmR3HyperMap(PVM pVM, const size_t cb, const char *pszDesc, PRTGCPTR pGCPtr, PMMLOOKUPHYPER *ppLookup);
45static int mmR3HyperHeapCreate(PVM pVM, const size_t cb, PMMHYPERHEAP *ppHeap, PRTR0PTR pR0PtrHeap);
46static int mmR3HyperHeapMap(PVM pVM, PMMHYPERHEAP pHeap, PRTGCPTR ppHeapGC);
47static 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 */
61int 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 {
81 cbHyperHeap = VMMIsHwVirtExtForced(pVM)
82 ? 640*_1K
83 : 1280*_1K;
84
85 /* Adjust for dynamic stuff like RAM mapping chunks. Try playing kind
86 of safe with existing configs here (HMA size must not change)... */
87 uint64_t cbRam;
88 CFGMR3QueryU64Def(CFGMR3GetRoot(pVM), "RamSize", &cbRam, 0);
89#if 0 /* MMUkHeap takes care of this now...*/
90 if (cbRam > _2G)
91 {
92 cbRam = RT_MIN(cbRam, _1T);
93 cbHyperHeap += (cbRam - _1G) / _1M * 128; /* 128 is a quick guess */
94 cbHyperHeap = RT_ALIGN_32(cbHyperHeap, _64K);
95 }
96#endif
97 }
98 else
99 AssertLogRelRCReturn(rc, rc);
100 cbHyperHeap = RT_ALIGN_32(cbHyperHeap, PAGE_SIZE);
101 LogRel(("MM: cbHyperHeap=%#x (%u)\n", cbHyperHeap, cbHyperHeap));
102
103 /*
104 * Allocate the hypervisor heap.
105 *
106 * (This must be done before we start adding memory to the
107 * hypervisor static area because lookup records are allocated from it.)
108 */
109 rc = mmR3HyperHeapCreate(pVM, cbHyperHeap, &pVM->mm.s.pHyperHeapR3, &pVM->mm.s.pHyperHeapR0);
110 if (RT_SUCCESS(rc))
111 {
112 /*
113 * Make a small head fence to fend of accidental sequential access.
114 */
115 MMR3HyperReserve(pVM, PAGE_SIZE, "fence", NULL);
116
117 /*
118 * Map the VM structure into the hypervisor space.
119 */
120 AssertRelease(pVM->cbSelf == RT_UOFFSETOF(VM, aCpus[pVM->cCPUs]));
121 RTGCPTR GCPtr;
122 rc = MMR3HyperMapPages(pVM, pVM, pVM->pVMR0, RT_ALIGN_Z(pVM->cbSelf, PAGE_SIZE) >> PAGE_SHIFT, pVM->paVMPagesR3, "VM", &GCPtr);
123 if (RT_SUCCESS(rc))
124 {
125 pVM->pVMRC = (RTRCPTR)GCPtr;
126 for (uint32_t i = 0; i < pVM->cCPUs; i++)
127 pVM->aCpus[i].pVMRC = pVM->pVMRC;
128
129 /* Reserve a page for fencing. */
130 MMR3HyperReserve(pVM, PAGE_SIZE, "fence", NULL);
131
132 /*
133 * Map the heap into the hypervisor space.
134 */
135 rc = mmR3HyperHeapMap(pVM, pVM->mm.s.pHyperHeapR3, &GCPtr);
136 if (RT_SUCCESS(rc))
137 {
138 pVM->mm.s.pHyperHeapRC = (RTRCPTR)GCPtr;
139 Assert(pVM->mm.s.pHyperHeapRC == GCPtr);
140
141 /*
142 * Register info handlers.
143 */
144 DBGFR3InfoRegisterInternal(pVM, "hma", "Show the layout of the Hypervisor Memory Area.", mmR3HyperInfoHma);
145
146 LogFlow(("mmR3HyperInit: returns VINF_SUCCESS\n"));
147 return VINF_SUCCESS;
148 }
149 /* Caller will do proper cleanup. */
150 }
151 }
152
153 LogFlow(("mmR3HyperInit: returns %Rrc\n", rc));
154 return rc;
155}
156
157
158/**
159 * Finalizes the HMA mapping.
160 *
161 * This is called later during init, most (all) HMA allocations should be done
162 * by the time this function is called.
163 *
164 * @returns VBox status.
165 */
166VMMR3DECL(int) MMR3HyperInitFinalize(PVM pVM)
167{
168 LogFlow(("MMR3HyperInitFinalize:\n"));
169
170 /*
171 * Adjust and create the HMA mapping.
172 */
173 while ((RTINT)pVM->mm.s.offHyperNextStatic + 64*_1K < (RTINT)pVM->mm.s.cbHyperArea - _4M)
174 pVM->mm.s.cbHyperArea -= _4M;
175 int rc = PGMR3MapPT(pVM, pVM->mm.s.pvHyperAreaGC, pVM->mm.s.cbHyperArea, 0 /*fFlags*/,
176 mmR3HyperRelocateCallback, NULL, "Hypervisor Memory Area");
177 if (RT_FAILURE(rc))
178 return rc;
179 pVM->mm.s.fPGMInitialized = true;
180
181 /*
182 * Do all the delayed mappings.
183 */
184 PMMLOOKUPHYPER pLookup = (PMMLOOKUPHYPER)((uintptr_t)pVM->mm.s.pHyperHeapR3 + pVM->mm.s.offLookupHyper);
185 for (;;)
186 {
187 RTGCPTR GCPtr = pVM->mm.s.pvHyperAreaGC + pLookup->off;
188 uint32_t cPages = pLookup->cb >> PAGE_SHIFT;
189 switch (pLookup->enmType)
190 {
191 case MMLOOKUPHYPERTYPE_LOCKED:
192 {
193 PCRTHCPHYS paHCPhysPages = pLookup->u.Locked.paHCPhysPages;
194 for (uint32_t i = 0; i < cPages; i++)
195 {
196 rc = PGMMap(pVM, GCPtr + (i << PAGE_SHIFT), paHCPhysPages[i], PAGE_SIZE, 0);
197 AssertRCReturn(rc, rc);
198 }
199 break;
200 }
201
202 case MMLOOKUPHYPERTYPE_HCPHYS:
203 rc = PGMMap(pVM, GCPtr, pLookup->u.HCPhys.HCPhys, pLookup->cb, 0);
204 break;
205
206 case MMLOOKUPHYPERTYPE_GCPHYS:
207 {
208 const RTGCPHYS GCPhys = pLookup->u.GCPhys.GCPhys;
209 const uint32_t cb = pLookup->cb;
210 for (uint32_t off = 0; off < cb; off += PAGE_SIZE)
211 {
212 RTHCPHYS HCPhys;
213 rc = PGMPhysGCPhys2HCPhys(pVM, GCPhys + off, &HCPhys);
214 if (RT_FAILURE(rc))
215 break;
216 rc = PGMMap(pVM, GCPtr + off, HCPhys, PAGE_SIZE, 0);
217 if (RT_FAILURE(rc))
218 break;
219 }
220 break;
221 }
222
223 case MMLOOKUPHYPERTYPE_MMIO2:
224 {
225 const RTGCPHYS offEnd = pLookup->u.MMIO2.off + pLookup->cb;
226 for (RTGCPHYS offCur = pLookup->u.MMIO2.off; offCur < offEnd; offCur += PAGE_SIZE)
227 {
228 RTHCPHYS HCPhys;
229 rc = PGMR3PhysMMIO2GetHCPhys(pVM, pLookup->u.MMIO2.pDevIns, pLookup->u.MMIO2.iRegion, offCur, &HCPhys);
230 if (RT_FAILURE(rc))
231 break;
232 rc = PGMMap(pVM, GCPtr + (offCur - pLookup->u.MMIO2.off), HCPhys, PAGE_SIZE, 0);
233 if (RT_FAILURE(rc))
234 break;
235 }
236 break;
237 }
238
239 case MMLOOKUPHYPERTYPE_DYNAMIC:
240 /* do nothing here since these are either fences or managed by someone else using PGM. */
241 break;
242
243 default:
244 AssertMsgFailed(("enmType=%d\n", pLookup->enmType));
245 break;
246 }
247
248 if (RT_FAILURE(rc))
249 {
250 AssertMsgFailed(("rc=%Rrc cb=%d off=%#RX32 enmType=%d pszDesc=%s\n",
251 rc, pLookup->cb, pLookup->off, pLookup->enmType, pLookup->pszDesc));
252 return rc;
253 }
254
255 /* next */
256 if (pLookup->offNext == (int32_t)NIL_OFFSET)
257 break;
258 pLookup = (PMMLOOKUPHYPER)((uintptr_t)pLookup + pLookup->offNext);
259 }
260
261 LogFlow(("MMR3HyperInitFinalize: returns VINF_SUCCESS\n"));
262 return VINF_SUCCESS;
263}
264
265
266/**
267 * Callback function which will be called when PGM is trying to find
268 * a new location for the mapping.
269 *
270 * The callback is called in two modes, 1) the check mode and 2) the relocate mode.
271 * In 1) the callback should say if it objects to a suggested new location. If it
272 * accepts the new location, it is called again for doing it's relocation.
273 *
274 *
275 * @returns true if the location is ok.
276 * @returns false if another location should be found.
277 * @param pVM The VM handle.
278 * @param GCPtrOld The old virtual address.
279 * @param GCPtrNew The new virtual address.
280 * @param enmMode Used to indicate the callback mode.
281 * @param pvUser User argument. Ignored.
282 * @remark The return value is no a failure indicator, it's an acceptance
283 * indicator. Relocation can not fail!
284 */
285static DECLCALLBACK(bool) mmR3HyperRelocateCallback(PVM pVM, RTGCPTR GCPtrOld, RTGCPTR GCPtrNew, PGMRELOCATECALL enmMode, void *pvUser)
286{
287 switch (enmMode)
288 {
289 /*
290 * Verify location - all locations are good for us.
291 */
292 case PGMRELOCATECALL_SUGGEST:
293 return true;
294
295 /*
296 * Execute the relocation.
297 */
298 case PGMRELOCATECALL_RELOCATE:
299 {
300 /*
301 * Accepted!
302 */
303 AssertMsg(GCPtrOld == pVM->mm.s.pvHyperAreaGC, ("GCPtrOld=%RGv pVM->mm.s.pvHyperAreaGC=%RGv\n", GCPtrOld, pVM->mm.s.pvHyperAreaGC));
304 Log(("Relocating the hypervisor from %RGv to %RGv\n", GCPtrOld, GCPtrNew));
305
306 /*
307 * Relocate the VM structure and ourselves.
308 */
309 RTGCINTPTR offDelta = GCPtrNew - GCPtrOld;
310 pVM->pVMRC += offDelta;
311 for (uint32_t i = 0; i < pVM->cCPUs; i++)
312 pVM->aCpus[i].pVMRC = pVM->pVMRC;
313
314 pVM->mm.s.pvHyperAreaGC += offDelta;
315 Assert(pVM->mm.s.pvHyperAreaGC < _4G);
316 pVM->mm.s.pHyperHeapRC += offDelta;
317 pVM->mm.s.pHyperHeapR3->pbHeapRC += offDelta;
318 pVM->mm.s.pHyperHeapR3->pVMRC = pVM->pVMRC;
319
320 /*
321 * Relocate the rest.
322 */
323 VMR3Relocate(pVM, offDelta);
324 return true;
325 }
326
327 default:
328 AssertMsgFailed(("Invalid relocation mode %d\n", enmMode));
329 }
330
331 return false;
332}
333
334
335/**
336 * Maps contiguous HC physical memory into the hypervisor region in the GC.
337 *
338 * @return VBox status code.
339 *
340 * @param pVM VM handle.
341 * @param pvR3 Ring-3 address of the memory. Must be page aligned!
342 * @param pvR0 Optional ring-0 address of the memory.
343 * @param HCPhys Host context physical address of the memory to be
344 * mapped. Must be page aligned!
345 * @param cb Size of the memory. Will be rounded up to nearest page.
346 * @param pszDesc Description.
347 * @param pGCPtr Where to store the GC address.
348 */
349VMMR3DECL(int) MMR3HyperMapHCPhys(PVM pVM, void *pvR3, RTR0PTR pvR0, RTHCPHYS HCPhys, size_t cb, const char *pszDesc, PRTGCPTR pGCPtr)
350{
351 LogFlow(("MMR3HyperMapHCPhys: pvR3=%p pvR0=%p HCPhys=%RHp cb=%d pszDesc=%p:{%s} pGCPtr=%p\n", pvR3, pvR0, HCPhys, (int)cb, pszDesc, pszDesc, pGCPtr));
352
353 /*
354 * Validate input.
355 */
356 AssertReturn(RT_ALIGN_P(pvR3, PAGE_SIZE) == pvR3, VERR_INVALID_PARAMETER);
357 AssertReturn(RT_ALIGN_T(pvR0, PAGE_SIZE, RTR0PTR) == pvR0, VERR_INVALID_PARAMETER);
358 AssertReturn(RT_ALIGN_T(HCPhys, PAGE_SIZE, RTHCPHYS) == HCPhys, VERR_INVALID_PARAMETER);
359 AssertReturn(pszDesc && *pszDesc, VERR_INVALID_PARAMETER);
360
361 /*
362 * Add the memory to the hypervisor area.
363 */
364 uint32_t cbAligned = RT_ALIGN_32(cb, PAGE_SIZE);
365 AssertReturn(cbAligned >= cb, VERR_INVALID_PARAMETER);
366 RTGCPTR GCPtr;
367 PMMLOOKUPHYPER pLookup;
368 int rc = mmR3HyperMap(pVM, cbAligned, pszDesc, &GCPtr, &pLookup);
369 if (RT_SUCCESS(rc))
370 {
371 pLookup->enmType = MMLOOKUPHYPERTYPE_HCPHYS;
372 pLookup->u.HCPhys.pvR3 = pvR3;
373 pLookup->u.HCPhys.pvR0 = pvR0;
374 pLookup->u.HCPhys.HCPhys = HCPhys;
375
376 /*
377 * Update the page table.
378 */
379 if (pVM->mm.s.fPGMInitialized)
380 rc = PGMMap(pVM, GCPtr, HCPhys, cbAligned, 0);
381 if (RT_SUCCESS(rc))
382 *pGCPtr = GCPtr;
383 }
384 return rc;
385}
386
387
388/**
389 * Maps contiguous GC physical memory into the hypervisor region in the GC.
390 *
391 * @return VBox status code.
392 *
393 * @param pVM VM handle.
394 * @param GCPhys Guest context physical address of the memory to be mapped. Must be page aligned!
395 * @param cb Size of the memory. Will be rounded up to nearest page.
396 * @param pszDesc Mapping description.
397 * @param pGCPtr Where to store the GC address.
398 */
399VMMR3DECL(int) MMR3HyperMapGCPhys(PVM pVM, RTGCPHYS GCPhys, size_t cb, const char *pszDesc, PRTGCPTR pGCPtr)
400{
401 LogFlow(("MMR3HyperMapGCPhys: GCPhys=%RGp cb=%d pszDesc=%p:{%s} pGCPtr=%p\n", GCPhys, (int)cb, pszDesc, pszDesc, pGCPtr));
402
403 /*
404 * Validate input.
405 */
406 AssertReturn(RT_ALIGN_T(GCPhys, PAGE_SIZE, RTGCPHYS) == GCPhys, VERR_INVALID_PARAMETER);
407 AssertReturn(pszDesc && *pszDesc, VERR_INVALID_PARAMETER);
408
409 /*
410 * Add the memory to the hypervisor area.
411 */
412 cb = RT_ALIGN_Z(cb, PAGE_SIZE);
413 RTGCPTR GCPtr;
414 PMMLOOKUPHYPER pLookup;
415 int rc = mmR3HyperMap(pVM, cb, pszDesc, &GCPtr, &pLookup);
416 if (RT_SUCCESS(rc))
417 {
418 pLookup->enmType = MMLOOKUPHYPERTYPE_GCPHYS;
419 pLookup->u.GCPhys.GCPhys = GCPhys;
420
421 /*
422 * Update the page table.
423 */
424 for (unsigned off = 0; off < cb; off += PAGE_SIZE)
425 {
426 RTHCPHYS HCPhys;
427 rc = PGMPhysGCPhys2HCPhys(pVM, GCPhys + off, &HCPhys);
428 AssertRC(rc);
429 if (RT_FAILURE(rc))
430 {
431 AssertMsgFailed(("rc=%Rrc GCPhys=%RGp off=%#x %s\n", rc, GCPhys, off, pszDesc));
432 break;
433 }
434 if (pVM->mm.s.fPGMInitialized)
435 {
436 rc = PGMMap(pVM, GCPtr + off, HCPhys, PAGE_SIZE, 0);
437 AssertRC(rc);
438 if (RT_FAILURE(rc))
439 {
440 AssertMsgFailed(("rc=%Rrc GCPhys=%RGp off=%#x %s\n", rc, GCPhys, off, pszDesc));
441 break;
442 }
443 }
444 }
445
446 if (RT_SUCCESS(rc) && pGCPtr)
447 *pGCPtr = GCPtr;
448 }
449 return rc;
450}
451
452
453/**
454 * Maps a portion of an MMIO2 region into the hypervisor region.
455 *
456 * Callers of this API must never deregister the MMIO2 region before the
457 * VM is powered off. If this becomes a requirement MMR3HyperUnmapMMIO2
458 * API will be needed to perform cleanups.
459 *
460 * @return VBox status code.
461 *
462 * @param pVM Pointer to the shared VM structure.
463 * @param pDevIns The device owning the MMIO2 memory.
464 * @param iRegion The region.
465 * @param off The offset into the region. Will be rounded down to closest page boundrary.
466 * @param cb The number of bytes to map. Will be rounded up to the closest page boundrary.
467 * @param pszDesc Mapping description.
468 * @param pRCPtr Where to store the RC address.
469 */
470VMMR3DECL(int) MMR3HyperMapMMIO2(PVM pVM, PPDMDEVINS pDevIns, uint32_t iRegion, RTGCPHYS off, RTGCPHYS cb,
471 const char *pszDesc, PRTRCPTR pRCPtr)
472{
473 LogFlow(("MMR3HyperMapMMIO2: pDevIns=%p iRegion=%#x off=%RGp cb=%RGp pszDesc=%p:{%s} pRCPtr=%p\n",
474 pDevIns, iRegion, off, cb, pszDesc, pszDesc, pRCPtr));
475 int rc;
476
477 /*
478 * Validate input.
479 */
480 AssertReturn(pszDesc && *pszDesc, VERR_INVALID_PARAMETER);
481 AssertReturn(off + cb > off, VERR_INVALID_PARAMETER);
482 uint32_t const offPage = off & PAGE_OFFSET_MASK;
483 off &= ~(RTGCPHYS)PAGE_OFFSET_MASK;
484 cb += offPage;
485 cb = RT_ALIGN_Z(cb, PAGE_SIZE);
486 const RTGCPHYS offEnd = off + cb;
487 AssertReturn(offEnd > off, VERR_INVALID_PARAMETER);
488 for (RTGCPHYS offCur = off; offCur < offEnd; offCur += PAGE_SIZE)
489 {
490 RTHCPHYS HCPhys;
491 rc = PGMR3PhysMMIO2GetHCPhys(pVM, pDevIns, iRegion, offCur, &HCPhys);
492 AssertMsgRCReturn(rc, ("rc=%Rrc - iRegion=%d off=%RGp\n", rc, iRegion, off), rc);
493 }
494
495 /*
496 * Add the memory to the hypervisor area.
497 */
498 RTGCPTR GCPtr;
499 PMMLOOKUPHYPER pLookup;
500 rc = mmR3HyperMap(pVM, cb, pszDesc, &GCPtr, &pLookup);
501 if (RT_SUCCESS(rc))
502 {
503 pLookup->enmType = MMLOOKUPHYPERTYPE_MMIO2;
504 pLookup->u.MMIO2.pDevIns = pDevIns;
505 pLookup->u.MMIO2.iRegion = iRegion;
506 pLookup->u.MMIO2.off = off;
507
508 /*
509 * Update the page table.
510 */
511 if (pVM->mm.s.fPGMInitialized)
512 {
513 for (RTGCPHYS offCur = off; offCur < offEnd; offCur += PAGE_SIZE)
514 {
515 RTHCPHYS HCPhys;
516 rc = PGMR3PhysMMIO2GetHCPhys(pVM, pDevIns, iRegion, offCur, &HCPhys);
517 AssertRCReturn(rc, VERR_INTERNAL_ERROR);
518 rc = PGMMap(pVM, GCPtr + (offCur - off), HCPhys, PAGE_SIZE, 0);
519 if (RT_FAILURE(rc))
520 {
521 AssertMsgFailed(("rc=%Rrc offCur=%RGp %s\n", rc, offCur, pszDesc));
522 break;
523 }
524 }
525 }
526
527 if (RT_SUCCESS(rc))
528 {
529 GCPtr |= offPage;
530 *pRCPtr = GCPtr;
531 AssertLogRelReturn(*pRCPtr == GCPtr, VERR_INTERNAL_ERROR);
532 }
533 }
534 return rc;
535}
536
537
538/**
539 * Maps locked R3 virtual memory into the hypervisor region in the GC.
540 *
541 * @return VBox status code.
542 *
543 * @param pVM VM handle.
544 * @param pvR3 The ring-3 address of the memory, must be page aligned.
545 * @param pvR0 The ring-0 address of the memory, must be page aligned. (optional)
546 * @param cPages The number of pages.
547 * @param paPages The page descriptors.
548 * @param pszDesc Mapping description.
549 * @param pGCPtr Where to store the GC address corresponding to pvR3.
550 */
551VMMR3DECL(int) MMR3HyperMapPages(PVM pVM, void *pvR3, RTR0PTR pvR0, size_t cPages, PCSUPPAGE paPages, const char *pszDesc, PRTGCPTR pGCPtr)
552{
553 LogFlow(("MMR3HyperMapPages: pvR3=%p pvR0=%p cPages=%zu paPages=%p pszDesc=%p:{%s} pGCPtr=%p\n",
554 pvR3, pvR0, cPages, paPages, pszDesc, pszDesc, pGCPtr));
555
556 /*
557 * Validate input.
558 */
559 AssertPtrReturn(pvR3, VERR_INVALID_POINTER);
560 AssertPtrReturn(paPages, VERR_INVALID_POINTER);
561 AssertReturn(cPages > 0, VERR_PAGE_COUNT_OUT_OF_RANGE);
562 AssertReturn(cPages <= VBOX_MAX_ALLOC_PAGE_COUNT, VERR_PAGE_COUNT_OUT_OF_RANGE);
563 AssertPtrReturn(pszDesc, VERR_INVALID_POINTER);
564 AssertReturn(*pszDesc, VERR_INVALID_PARAMETER);
565 AssertPtrReturn(pGCPtr, VERR_INVALID_PARAMETER);
566
567 /*
568 * Add the memory to the hypervisor area.
569 */
570 RTGCPTR GCPtr;
571 PMMLOOKUPHYPER pLookup;
572 int rc = mmR3HyperMap(pVM, cPages << PAGE_SHIFT, pszDesc, &GCPtr, &pLookup);
573 if (RT_SUCCESS(rc))
574 {
575 /*
576 * Copy the physical page addresses and tell PGM about them.
577 */
578 PRTHCPHYS paHCPhysPages = (PRTHCPHYS)MMR3HeapAlloc(pVM, MM_TAG_MM, sizeof(RTHCPHYS) * cPages);
579 if (paHCPhysPages)
580 {
581 for (size_t i = 0; i < cPages; i++)
582 {
583 AssertReleaseReturn(paPages[i].Phys != 0 && paPages[i].Phys != NIL_RTHCPHYS && !(paPages[i].Phys & PAGE_OFFSET_MASK), VERR_INTERNAL_ERROR);
584 paHCPhysPages[i] = paPages[i].Phys;
585 }
586
587 if (pVM->mm.s.fPGMInitialized)
588 {
589 for (size_t i = 0; i < cPages; i++)
590 {
591 rc = PGMMap(pVM, GCPtr + (i << PAGE_SHIFT), paHCPhysPages[i], PAGE_SIZE, 0);
592 AssertRCBreak(rc);
593 }
594 }
595 if (RT_SUCCESS(rc))
596 {
597 pLookup->enmType = MMLOOKUPHYPERTYPE_LOCKED;
598 pLookup->u.Locked.pvR3 = pvR3;
599 pLookup->u.Locked.pvR0 = pvR0;
600 pLookup->u.Locked.paHCPhysPages = paHCPhysPages;
601
602 /* done. */
603 *pGCPtr = GCPtr;
604 return rc;
605 }
606 /* Don't care about failure clean, we're screwed if this fails anyway. */
607 }
608 }
609
610 return rc;
611}
612
613
614/**
615 * Reserves a hypervisor memory area.
616 * Most frequent usage is fence pages and dynamically mappings like the guest PD and PDPT.
617 *
618 * @return VBox status code.
619 *
620 * @param pVM VM handle.
621 * @param cb Size of the memory. Will be rounded up to nearest page.
622 * @param pszDesc Mapping description.
623 * @param pGCPtr Where to store the assigned GC address. Optional.
624 */
625VMMR3DECL(int) MMR3HyperReserve(PVM pVM, unsigned cb, const char *pszDesc, PRTGCPTR pGCPtr)
626{
627 LogFlow(("MMR3HyperMapHCRam: cb=%d pszDesc=%p:{%s} pGCPtr=%p\n", (int)cb, pszDesc, pszDesc, pGCPtr));
628
629 /*
630 * Validate input.
631 */
632 if ( cb <= 0
633 || !pszDesc
634 || !*pszDesc)
635 {
636 AssertMsgFailed(("Invalid parameter\n"));
637 return VERR_INVALID_PARAMETER;
638 }
639
640 /*
641 * Add the memory to the hypervisor area.
642 */
643 RTGCPTR GCPtr;
644 PMMLOOKUPHYPER pLookup;
645 int rc = mmR3HyperMap(pVM, cb, pszDesc, &GCPtr, &pLookup);
646 if (RT_SUCCESS(rc))
647 {
648 pLookup->enmType = MMLOOKUPHYPERTYPE_DYNAMIC;
649 if (pGCPtr)
650 *pGCPtr = GCPtr;
651 return VINF_SUCCESS;
652 }
653 return rc;
654}
655
656
657/**
658 * Adds memory to the hypervisor memory arena.
659 *
660 * @return VBox status code.
661 * @param pVM The VM handle.
662 * @param cb Size of the memory. Will be rounded up to neares page.
663 * @param pszDesc The description of the memory.
664 * @param pGCPtr Where to store the GC address.
665 * @param ppLookup Where to store the pointer to the lookup record.
666 * @remark We assume the threading structure of VBox imposes natural
667 * serialization of most functions, this one included.
668 */
669static int mmR3HyperMap(PVM pVM, const size_t cb, const char *pszDesc, PRTGCPTR pGCPtr, PMMLOOKUPHYPER *ppLookup)
670{
671 /*
672 * Validate input.
673 */
674 const uint32_t cbAligned = RT_ALIGN_32(cb, PAGE_SIZE);
675 AssertReturn(cbAligned >= cb, VERR_INVALID_PARAMETER);
676 if (pVM->mm.s.offHyperNextStatic + cbAligned >= pVM->mm.s.cbHyperArea) /* don't use the last page, it's a fence. */
677 {
678 AssertMsgFailed(("Out of static mapping space in the HMA! offHyperAreaGC=%x cbAligned=%x cbHyperArea=%x\n",
679 pVM->mm.s.offHyperNextStatic, cbAligned, pVM->mm.s.cbHyperArea));
680 return VERR_NO_MEMORY;
681 }
682
683 /*
684 * Allocate lookup record.
685 */
686 PMMLOOKUPHYPER pLookup;
687 int rc = MMHyperAlloc(pVM, sizeof(*pLookup), 1, MM_TAG_MM, (void **)&pLookup);
688 if (RT_SUCCESS(rc))
689 {
690 /*
691 * Initialize it and insert it.
692 */
693 pLookup->offNext = pVM->mm.s.offLookupHyper;
694 pLookup->cb = cbAligned;
695 pLookup->off = pVM->mm.s.offHyperNextStatic;
696 pVM->mm.s.offLookupHyper = (uint8_t *)pLookup - (uint8_t *)pVM->mm.s.pHyperHeapR3;
697 if (pLookup->offNext != (int32_t)NIL_OFFSET)
698 pLookup->offNext -= pVM->mm.s.offLookupHyper;
699 pLookup->enmType = MMLOOKUPHYPERTYPE_INVALID;
700 memset(&pLookup->u, 0xff, sizeof(pLookup->u));
701 pLookup->pszDesc = pszDesc;
702
703 /* Mapping. */
704 *pGCPtr = pVM->mm.s.pvHyperAreaGC + pVM->mm.s.offHyperNextStatic;
705 pVM->mm.s.offHyperNextStatic += cbAligned;
706
707 /* Return pointer. */
708 *ppLookup = pLookup;
709 }
710
711 AssertRC(rc);
712 LogFlow(("mmR3HyperMap: returns %Rrc *pGCPtr=%RGv\n", rc, *pGCPtr));
713 return rc;
714}
715
716
717/**
718 * Allocates a new heap.
719 *
720 * @returns VBox status code.
721 * @param pVM The VM handle.
722 * @param cb The size of the new heap.
723 * @param ppHeap Where to store the heap pointer on successful return.
724 * @param pR0PtrHeap Where to store the ring-0 address of the heap on
725 * success.
726 */
727static int mmR3HyperHeapCreate(PVM pVM, const size_t cb, PMMHYPERHEAP *ppHeap, PRTR0PTR pR0PtrHeap)
728{
729 /*
730 * Allocate the hypervisor heap.
731 */
732 const uint32_t cbAligned = RT_ALIGN_32(cb, PAGE_SIZE);
733 AssertReturn(cbAligned >= cb, VERR_INVALID_PARAMETER);
734 uint32_t const cPages = cbAligned >> PAGE_SHIFT;
735 PSUPPAGE paPages = (PSUPPAGE)MMR3HeapAlloc(pVM, MM_TAG_MM, cPages * sizeof(paPages[0]));
736 if (!paPages)
737 return VERR_NO_MEMORY;
738 void *pv;
739 RTR0PTR pvR0 = NIL_RTR0PTR;
740 int rc = SUPR3PageAllocEx(cPages,
741 0 /*fFlags*/,
742 &pv,
743#ifdef VBOX_WITH_2X_4GB_ADDR_SPACE
744 VMMIsHwVirtExtForced(pVM) ? &pvR0 : NULL,
745#else
746 NULL,
747#endif
748 paPages);
749 if (RT_SUCCESS(rc))
750 {
751#ifdef VBOX_WITH_2X_4GB_ADDR_SPACE
752 if (!VMMIsHwVirtExtForced(pVM))
753 pvR0 = NIL_RTR0PTR;
754#else
755 pvR0 = (uintptr_t)pv;
756#endif
757 memset(pv, 0, cbAligned);
758
759 /*
760 * Initialize the heap and first free chunk.
761 */
762 PMMHYPERHEAP pHeap = (PMMHYPERHEAP)pv;
763 pHeap->u32Magic = MMHYPERHEAP_MAGIC;
764 pHeap->pbHeapR3 = (uint8_t *)pHeap + MMYPERHEAP_HDR_SIZE;
765 pHeap->pbHeapR0 = pvR0 != NIL_RTR0PTR ? pvR0 + MMYPERHEAP_HDR_SIZE : NIL_RTR0PTR;
766 //pHeap->pbHeapRC = 0; // set by mmR3HyperHeapMap()
767 pHeap->pVMR3 = pVM;
768 pHeap->pVMR0 = pVM->pVMR0;
769 pHeap->pVMRC = pVM->pVMRC;
770 pHeap->cbHeap = cbAligned - MMYPERHEAP_HDR_SIZE;
771 pHeap->cbFree = pHeap->cbHeap - sizeof(MMHYPERCHUNK);
772 //pHeap->offFreeHead = 0;
773 //pHeap->offFreeTail = 0;
774 pHeap->offPageAligned = pHeap->cbHeap;
775 //pHeap->HyperHeapStatTree = 0;
776 pHeap->paPages = paPages;
777
778 PMMHYPERCHUNKFREE pFree = (PMMHYPERCHUNKFREE)pHeap->pbHeapR3;
779 pFree->cb = pHeap->cbFree;
780 //pFree->core.offNext = 0;
781 MMHYPERCHUNK_SET_TYPE(&pFree->core, MMHYPERCHUNK_FLAGS_FREE);
782 pFree->core.offHeap = -(int32_t)MMYPERHEAP_HDR_SIZE;
783 //pFree->offNext = 0;
784 //pFree->offPrev = 0;
785
786 STAMR3Register(pVM, &pHeap->cbHeap, STAMTYPE_U32, STAMVISIBILITY_ALWAYS, "/MM/HyperHeap/cbHeap", STAMUNIT_BYTES, "The heap size.");
787 STAMR3Register(pVM, &pHeap->cbFree, STAMTYPE_U32, STAMVISIBILITY_ALWAYS, "/MM/HyperHeap/cbFree", STAMUNIT_BYTES, "The free space.");
788
789 *ppHeap = pHeap;
790 *pR0PtrHeap = pvR0;
791 return VINF_SUCCESS;
792 }
793 AssertMsgFailed(("SUPR3PageAllocEx(%d,,,,) -> %Rrc\n", cbAligned >> PAGE_SHIFT, rc));
794
795 *ppHeap = NULL;
796 return rc;
797}
798
799
800/**
801 * Allocates a new heap.
802 */
803static int mmR3HyperHeapMap(PVM pVM, PMMHYPERHEAP pHeap, PRTGCPTR ppHeapGC)
804{
805 Assert(RT_ALIGN_Z(pHeap->cbHeap + MMYPERHEAP_HDR_SIZE, PAGE_SIZE) == pHeap->cbHeap + MMYPERHEAP_HDR_SIZE);
806 Assert(pHeap->paPages);
807 int rc = MMR3HyperMapPages(pVM,
808 pHeap,
809 pHeap->pbHeapR0 != NIL_RTR0PTR ? pHeap->pbHeapR0 - MMYPERHEAP_HDR_SIZE : NIL_RTR0PTR,
810 (pHeap->cbHeap + MMYPERHEAP_HDR_SIZE) >> PAGE_SHIFT,
811 pHeap->paPages,
812 "Heap", ppHeapGC);
813 if (RT_SUCCESS(rc))
814 {
815 pHeap->pVMRC = pVM->pVMRC;
816 pHeap->pbHeapRC = *ppHeapGC + MMYPERHEAP_HDR_SIZE;
817 /* Reserve a page for fencing. */
818 MMR3HyperReserve(pVM, PAGE_SIZE, "fence", NULL);
819
820 /* We won't need these any more. */
821 MMR3HeapFree(pHeap->paPages);
822 pHeap->paPages = NULL;
823 }
824 return rc;
825}
826
827
828#if 0
829/**
830 * Destroys a heap.
831 */
832static int mmR3HyperHeapDestroy(PVM pVM, PMMHYPERHEAP pHeap)
833{
834 /* all this is dealt with when unlocking and freeing locked memory. */
835}
836#endif
837
838
839/**
840 * Allocates memory in the Hypervisor (GC VMM) area which never will
841 * be freed and doesn't have any offset based relation to other heap blocks.
842 *
843 * The latter means that two blocks allocated by this API will not have the
844 * same relative position to each other in GC and HC. In short, never use
845 * this API for allocating nodes for an offset based AVL tree!
846 *
847 * The returned memory is of course zeroed.
848 *
849 * @returns VBox status code.
850 * @param pVM The VM to operate on.
851 * @param cb Number of bytes to allocate.
852 * @param uAlignment Required memory alignment in bytes.
853 * Values are 0,8,16,32 and PAGE_SIZE.
854 * 0 -> default alignment, i.e. 8 bytes.
855 * @param enmTag The statistics tag.
856 * @param ppv Where to store the address to the allocated
857 * memory.
858 * @remark This is assumed not to be used at times when serialization is required.
859 */
860VMMDECL(int) MMR3HyperAllocOnceNoRel(PVM pVM, size_t cb, unsigned uAlignment, MMTAG enmTag, void **ppv)
861{
862 AssertMsg(cb >= 8, ("Hey! Do you really mean to allocate less than 8 bytes?! cb=%d\n", cb));
863
864 /*
865 * Choose between allocating a new chunk of HMA memory
866 * and the heap. We will only do BIG allocations from HMA and
867 * only at creation time.
868 */
869 if ( ( cb < _64K
870 && ( uAlignment != PAGE_SIZE
871 || cb < 48*_1K))
872 || VMR3GetState(pVM) != VMSTATE_CREATING)
873 {
874 int rc = MMHyperAlloc(pVM, cb, uAlignment, enmTag, ppv);
875 if ( rc != VERR_MM_HYPER_NO_MEMORY
876 || cb <= 8*_1K)
877 {
878 Log2(("MMR3HyperAllocOnceNoRel: cb=%#zx uAlignment=%#x returns %Rrc and *ppv=%p\n",
879 cb, uAlignment, rc, *ppv));
880 return rc;
881 }
882 }
883
884 /*
885 * Validate alignment.
886 */
887 switch (uAlignment)
888 {
889 case 0:
890 case 8:
891 case 16:
892 case 32:
893 case PAGE_SIZE:
894 break;
895 default:
896 AssertMsgFailed(("Invalid alignment %u\n", uAlignment));
897 return VERR_INVALID_PARAMETER;
898 }
899
900 /*
901 * Allocate the pages and map them into HMA space.
902 */
903 uint32_t const cbAligned = RT_ALIGN_32(cb, PAGE_SIZE);
904 AssertReturn(cbAligned >= cb, VERR_INVALID_PARAMETER);
905 uint32_t const cPages = cbAligned >> PAGE_SHIFT;
906 PSUPPAGE paPages = (PSUPPAGE)RTMemTmpAlloc(cPages * sizeof(paPages[0]));
907 if (!paPages)
908 return VERR_NO_TMP_MEMORY;
909 void *pvPages;
910 RTR0PTR pvR0 = NIL_RTR0PTR;
911 int rc = SUPR3PageAllocEx(cPages,
912 0 /*fFlags*/,
913 &pvPages,
914#ifdef VBOX_WITH_2X_4GB_ADDR_SPACE
915 VMMIsHwVirtExtForced(pVM) ? &pvR0 : NULL,
916#else
917 NULL,
918#endif
919 paPages);
920 if (RT_SUCCESS(rc))
921 {
922#ifdef VBOX_WITH_2X_4GB_ADDR_SPACE
923 if (!VMMIsHwVirtExtForced(pVM))
924 pvR0 = NIL_RTR0PTR;
925#else
926 pvR0 = (uintptr_t)pvPages;
927#endif
928 memset(pvPages, 0, cbAligned);
929
930 RTGCPTR GCPtr;
931 rc = MMR3HyperMapPages(pVM,
932 pvPages,
933 pvR0,
934 cPages,
935 paPages,
936 MMR3HeapAPrintf(pVM, MM_TAG_MM, "alloc once (%s)", mmR3GetTagName(enmTag)),
937 &GCPtr);
938 if (RT_SUCCESS(rc))
939 {
940 *ppv = pvPages;
941 Log2(("MMR3HyperAllocOnceNoRel: cbAligned=%#x uAlignment=%#x returns VINF_SUCCESS and *ppv=%p\n",
942 cbAligned, uAlignment, *ppv));
943 MMR3HyperReserve(pVM, PAGE_SIZE, "fence", NULL);
944 return rc;
945 }
946 AssertMsgFailed(("Failed to allocate %zd bytes! %Rrc\n", cbAligned, rc));
947 SUPR3PageFreeEx(pvPages, cPages);
948
949
950 /*
951 * HACK ALERT! Try allocate it off the heap so that we don't freak
952 * out during vga/vmmdev mmio2 allocation with certain ram sizes.
953 */
954 /** @todo make a proper fix for this so we will never end up in this kind of situation! */
955 Log(("MMR3HyperAllocOnceNoRel: MMR3HyperMapHCRam failed with rc=%Rrc, try MMHyperAlloc(,%#x,,) instead\n", rc, cb));
956 int rc2 = MMHyperAlloc(pVM, cb, uAlignment, enmTag, ppv);
957 if (RT_SUCCESS(rc2))
958 {
959 Log2(("MMR3HyperAllocOnceNoRel: cb=%#x uAlignment=%#x returns %Rrc and *ppv=%p\n",
960 cb, uAlignment, rc, *ppv));
961 return rc;
962 }
963 }
964 else
965 AssertMsgFailed(("Failed to allocate %zd bytes! %Rrc\n", cbAligned, rc));
966
967 if (rc == VERR_NO_MEMORY)
968 rc = VERR_MM_HYPER_NO_MEMORY;
969 LogRel(("MMR3HyperAllocOnceNoRel: cb=%#zx uAlignment=%#x returns %Rrc\n", cb, uAlignment, rc));
970 return rc;
971}
972
973
974/**
975 * Convert hypervisor HC virtual address to HC physical address.
976 *
977 * @returns HC physical address.
978 * @param pVM VM Handle
979 * @param pvR3 Host context virtual address.
980 */
981VMMR3DECL(RTHCPHYS) MMR3HyperHCVirt2HCPhys(PVM pVM, void *pvR3)
982{
983 PMMLOOKUPHYPER pLookup = (PMMLOOKUPHYPER)((uint8_t *)pVM->mm.s.pHyperHeapR3 + pVM->mm.s.offLookupHyper);
984 for (;;)
985 {
986 switch (pLookup->enmType)
987 {
988 case MMLOOKUPHYPERTYPE_LOCKED:
989 {
990 unsigned off = (uint8_t *)pvR3 - (uint8_t *)pLookup->u.Locked.pvR3;
991 if (off < pLookup->cb)
992 return pLookup->u.Locked.paHCPhysPages[off >> PAGE_SHIFT] | (off & PAGE_OFFSET_MASK);
993 break;
994 }
995
996 case MMLOOKUPHYPERTYPE_HCPHYS:
997 {
998 unsigned off = (uint8_t *)pvR3 - (uint8_t *)pLookup->u.HCPhys.pvR3;
999 if (off < pLookup->cb)
1000 return pLookup->u.HCPhys.HCPhys + off;
1001 break;
1002 }
1003
1004 case MMLOOKUPHYPERTYPE_GCPHYS:
1005 case MMLOOKUPHYPERTYPE_MMIO2:
1006 case MMLOOKUPHYPERTYPE_DYNAMIC:
1007 /* can (or don't want to) convert these kind of records. */
1008 break;
1009
1010 default:
1011 AssertMsgFailed(("enmType=%d\n", pLookup->enmType));
1012 break;
1013 }
1014
1015 /* next */
1016 if ((unsigned)pLookup->offNext == NIL_OFFSET)
1017 break;
1018 pLookup = (PMMLOOKUPHYPER)((uint8_t *)pLookup + pLookup->offNext);
1019 }
1020
1021 AssertMsgFailed(("pvR3=%p is not inside the hypervisor memory area!\n", pvR3));
1022 return NIL_RTHCPHYS;
1023}
1024
1025
1026#if 0 /* unused, not implemented */
1027/**
1028 * Convert hypervisor HC physical address to HC virtual address.
1029 *
1030 * @returns HC virtual address.
1031 * @param pVM VM Handle
1032 * @param HCPhys Host context physical address.
1033 */
1034VMMR3DECL(void *) MMR3HyperHCPhys2HCVirt(PVM pVM, RTHCPHYS HCPhys)
1035{
1036 void *pv;
1037 int rc = MMR3HyperHCPhys2HCVirtEx(pVM, HCPhys, &pv);
1038 if (RT_SUCCESS(rc))
1039 return pv;
1040 AssertMsgFailed(("Invalid address HCPhys=%x rc=%d\n", HCPhys, rc));
1041 return NULL;
1042}
1043
1044
1045/**
1046 * Convert hypervisor HC physical address to HC virtual address.
1047 *
1048 * @returns VBox status.
1049 * @param pVM VM Handle
1050 * @param HCPhys Host context physical address.
1051 * @param ppv Where to store the HC virtual address.
1052 */
1053VMMR3DECL(int) MMR3HyperHCPhys2HCVirtEx(PVM pVM, RTHCPHYS HCPhys, void **ppv)
1054{
1055 /*
1056 * Linear search.
1057 */
1058 /** @todo implement when actually used. */
1059 return VERR_INVALID_POINTER;
1060}
1061#endif /* unused, not implemented */
1062
1063
1064/**
1065 * Read hypervisor memory from GC virtual address.
1066 *
1067 * @returns VBox status.
1068 * @param pVM VM handle.
1069 * @param pvDst Destination address (HC of course).
1070 * @param GCPtr GC virtual address.
1071 * @param cb Number of bytes to read.
1072 *
1073 * @remarks For DBGF only.
1074 */
1075VMMR3DECL(int) MMR3HyperReadGCVirt(PVM pVM, void *pvDst, RTGCPTR GCPtr, size_t cb)
1076{
1077 if (GCPtr - pVM->mm.s.pvHyperAreaGC >= pVM->mm.s.cbHyperArea)
1078 return VERR_INVALID_PARAMETER;
1079 return PGMR3MapRead(pVM, pvDst, GCPtr, cb);
1080}
1081
1082
1083/**
1084 * Info handler for 'hma', it dumps the list of lookup records for the hypervisor memory area.
1085 *
1086 * @param pVM The VM handle.
1087 * @param pHlp Callback functions for doing output.
1088 * @param pszArgs Argument string. Optional and specific to the handler.
1089 */
1090static DECLCALLBACK(void) mmR3HyperInfoHma(PVM pVM, PCDBGFINFOHLP pHlp, const char *pszArgs)
1091{
1092 pHlp->pfnPrintf(pHlp, "Hypervisor Memory Area (HMA) Layout: Base %RGv, 0x%08x bytes\n",
1093 pVM->mm.s.pvHyperAreaGC, pVM->mm.s.cbHyperArea);
1094
1095 PMMLOOKUPHYPER pLookup = (PMMLOOKUPHYPER)((uint8_t *)pVM->mm.s.pHyperHeapR3 + pVM->mm.s.offLookupHyper);
1096 for (;;)
1097 {
1098 switch (pLookup->enmType)
1099 {
1100 case MMLOOKUPHYPERTYPE_LOCKED:
1101 pHlp->pfnPrintf(pHlp, "%RGv-%RGv %RHv %RHv LOCKED %-*s %s\n",
1102 pLookup->off + pVM->mm.s.pvHyperAreaGC,
1103 pLookup->off + pVM->mm.s.pvHyperAreaGC + pLookup->cb,
1104 pLookup->u.Locked.pvR3,
1105 pLookup->u.Locked.pvR0,
1106 sizeof(RTHCPTR) * 2, "",
1107 pLookup->pszDesc);
1108 break;
1109
1110 case MMLOOKUPHYPERTYPE_HCPHYS:
1111 pHlp->pfnPrintf(pHlp, "%RGv-%RGv %RHv %RHv HCPHYS %RHp %s\n",
1112 pLookup->off + pVM->mm.s.pvHyperAreaGC,
1113 pLookup->off + pVM->mm.s.pvHyperAreaGC + pLookup->cb,
1114 pLookup->u.HCPhys.pvR3,
1115 pLookup->u.HCPhys.pvR0,
1116 pLookup->u.HCPhys.HCPhys,
1117 pLookup->pszDesc);
1118 break;
1119
1120 case MMLOOKUPHYPERTYPE_GCPHYS:
1121 pHlp->pfnPrintf(pHlp, "%RGv-%RGv %*s GCPHYS %RGp%*s %s\n",
1122 pLookup->off + pVM->mm.s.pvHyperAreaGC,
1123 pLookup->off + pVM->mm.s.pvHyperAreaGC + pLookup->cb,
1124 sizeof(RTHCPTR) * 2 * 2 + 1, "",
1125 pLookup->u.GCPhys.GCPhys, RT_ABS((int)(sizeof(RTHCPHYS) - sizeof(RTGCPHYS))) * 2, "",
1126 pLookup->pszDesc);
1127 break;
1128
1129 case MMLOOKUPHYPERTYPE_MMIO2:
1130 pHlp->pfnPrintf(pHlp, "%RGv-%RGv %*s MMIO2 %RGp%*s %s\n",
1131 pLookup->off + pVM->mm.s.pvHyperAreaGC,
1132 pLookup->off + pVM->mm.s.pvHyperAreaGC + pLookup->cb,
1133 sizeof(RTHCPTR) * 2 * 2 + 1, "",
1134 pLookup->u.MMIO2.off, RT_ABS((int)(sizeof(RTHCPHYS) - sizeof(RTGCPHYS))) * 2, "",
1135 pLookup->pszDesc);
1136 break;
1137
1138 case MMLOOKUPHYPERTYPE_DYNAMIC:
1139 pHlp->pfnPrintf(pHlp, "%RGv-%RGv %*s DYNAMIC %*s %s\n",
1140 pLookup->off + pVM->mm.s.pvHyperAreaGC,
1141 pLookup->off + pVM->mm.s.pvHyperAreaGC + pLookup->cb,
1142 sizeof(RTHCPTR) * 2 * 2 + 1, "",
1143 sizeof(RTHCPTR) * 2, "",
1144 pLookup->pszDesc);
1145 break;
1146
1147 default:
1148 AssertMsgFailed(("enmType=%d\n", pLookup->enmType));
1149 break;
1150 }
1151
1152 /* next */
1153 if ((unsigned)pLookup->offNext == NIL_OFFSET)
1154 break;
1155 pLookup = (PMMLOOKUPHYPER)((uint8_t *)pLookup + pLookup->offNext);
1156 }
1157}
1158
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