MMAll.cpp@ 93592

Last change on this file since 93592 was 93592, checked in by vboxsync, 3 years ago
VMM/MM: Removed some more unused functions. bugref:9517
Property svn:eol-style set to `native` Property svn:keywords set to `Id Revision`
File size: 17.1 KB

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1	/* $Id: MMAll.cpp 93592 2022-02-03 20:09:04Z vboxsync $ */
2	/** @file
3	* MM - Memory Manager - Any Context.
4	*/
5
6	/*
7	* Copyright (C) 2006-2022 Oracle Corporation
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
18
19	/*********************************************************************************************************************************
20	* Header Files *
21	*********************************************************************************************************************************/
22	#define LOG_GROUP LOG_GROUP_MM_HYPER
23	#include <VBox/vmm/mm.h>
24	#include <VBox/vmm/vmm.h>
25	#include "MMInternal.h"
26	#include <VBox/vmm/vmcc.h>
27	#include <VBox/vmm/hm.h>
28	#include <VBox/log.h>
29	#include <iprt/assert.h>
30	#include <iprt/string.h>
31
32
33
34	/**
35	* Lookup a host context ring-3 address.
36	*
37	* @returns Pointer to the corresponding lookup record.
38	* @returns NULL on failure.
39	* @param pVM The cross context VM structure.
40	* @param R3Ptr The host context ring-3 address to lookup.
41	* @param poff Where to store the offset into the HMA memory chunk.
42	*/
43	DECLINLINE(PMMLOOKUPHYPER) mmHyperLookupR3(PVM pVM, RTR3PTR R3Ptr, uint32_t *poff)
44	{
45	/** @todo cache last lookup, this stuff ain't cheap! */
46	PMMLOOKUPHYPER pLookup = (PMMLOOKUPHYPER)((uint8_t *)pVM->mm.s.CTX_SUFF(pHyperHeap) + pVM->mm.s.offLookupHyper);
47	for (;;)
48	{
49	switch (pLookup->enmType)
50	{
51	case MMLOOKUPHYPERTYPE_LOCKED:
52	{
53	const RTR3UINTPTR off = (RTR3UINTPTR)R3Ptr - (RTR3UINTPTR)pLookup->u.Locked.pvR3;
54	if (off < pLookup->cb)
55	{
56	*poff = off;
57	return pLookup;
58	}
59	break;
60	}
61
62	case MMLOOKUPHYPERTYPE_HCPHYS:
63	{
64	const RTR3UINTPTR off = (RTR3UINTPTR)R3Ptr - (RTR3UINTPTR)pLookup->u.HCPhys.pvR3;
65	if (off < pLookup->cb)
66	{
67	*poff = off;
68	return pLookup;
69	}
70	break;
71	}
72
73	case MMLOOKUPHYPERTYPE_GCPHYS: /* (for now we'll not allow these kind of conversions) */
74	case MMLOOKUPHYPERTYPE_MMIO2:
75	case MMLOOKUPHYPERTYPE_DYNAMIC:
76	break;
77
78	default:
79	AssertMsgFailed(("enmType=%d\n", pLookup->enmType));
80	break;
81	}
82
83	/* next */
84	if (pLookup->offNext == (int32_t)NIL_OFFSET)
85	break;
86	pLookup = (PMMLOOKUPHYPER)((uint8_t *)pLookup + pLookup->offNext);
87	}
88
89	AssertMsgFailed(("R3Ptr=%RHv is not inside the hypervisor memory area!\n", R3Ptr));
90	return NULL;
91	}
92
93
94	/**
95	* Lookup a host context ring-0 address.
96	*
97	* @returns Pointer to the corresponding lookup record.
98	* @returns NULL on failure.
99	* @param pVM The cross context VM structure.
100	* @param R0Ptr The host context ring-0 address to lookup.
101	* @param poff Where to store the offset into the HMA memory chunk.
102	*/
103	DECLINLINE(PMMLOOKUPHYPER) mmHyperLookupR0(PVM pVM, RTR0PTR R0Ptr, uint32_t *poff)
104	{
105	AssertCompile(sizeof(RTR0PTR) == sizeof(RTR3PTR));
106
107	/** @todo cache last lookup, this stuff ain't cheap! */
108	PMMLOOKUPHYPER pLookup = (PMMLOOKUPHYPER)((uint8_t *)pVM->mm.s.CTX_SUFF(pHyperHeap) + pVM->mm.s.offLookupHyper);
109	for (;;)
110	{
111	switch (pLookup->enmType)
112	{
113	case MMLOOKUPHYPERTYPE_LOCKED:
114	{
115	const RTR0UINTPTR off = (RTR0UINTPTR)R0Ptr - (RTR0UINTPTR)pLookup->u.Locked.pvR0;
116	if (off < pLookup->cb && pLookup->u.Locked.pvR0)
117	{
118	*poff = off;
119	return pLookup;
120	}
121	break;
122	}
123
124	case MMLOOKUPHYPERTYPE_HCPHYS:
125	{
126	const RTR0UINTPTR off = (RTR0UINTPTR)R0Ptr - (RTR0UINTPTR)pLookup->u.HCPhys.pvR0;
127	if (off < pLookup->cb && pLookup->u.HCPhys.pvR0)
128	{
129	*poff = off;
130	return pLookup;
131	}
132	break;
133	}
134
135	case MMLOOKUPHYPERTYPE_GCPHYS: /* (for now we'll not allow these kind of conversions) */
136	case MMLOOKUPHYPERTYPE_MMIO2:
137	case MMLOOKUPHYPERTYPE_DYNAMIC:
138	break;
139
140	default:
141	AssertMsgFailed(("enmType=%d\n", pLookup->enmType));
142	break;
143	}
144
145	/* next */
146	if (pLookup->offNext == (int32_t)NIL_OFFSET)
147	break;
148	pLookup = (PMMLOOKUPHYPER)((uint8_t *)pLookup + pLookup->offNext);
149	}
150
151	AssertMsgFailed(("R0Ptr=%RHv is not inside the hypervisor memory area!\n", R0Ptr));
152	return NULL;
153	}
154
155
156	/**
157	* Lookup a raw-mode context address.
158	*
159	* @returns Pointer to the corresponding lookup record.
160	* @returns NULL on failure.
161	* @param pVM The cross context VM structure.
162	* @param RCPtr The raw-mode context address to lookup.
163	* @param poff Where to store the offset into the HMA memory chunk.
164	*/
165	DECLINLINE(PMMLOOKUPHYPER) mmHyperLookupRC(PVM pVM, RTRCPTR RCPtr, uint32_t *poff)
166	{
167	/** @todo cache last lookup this stuff ain't cheap! */
168	unsigned offRC = (RTRCUINTPTR)RCPtr - (RTGCUINTPTR)pVM->mm.s.pvHyperAreaGC;
169	PMMLOOKUPHYPER pLookup = (PMMLOOKUPHYPER)((uint8_t *)pVM->mm.s.CTX_SUFF(pHyperHeap) + pVM->mm.s.offLookupHyper);
170	for (;;)
171	{
172	const uint32_t off = offRC - pLookup->off;
173	if (off < pLookup->cb)
174	{
175	switch (pLookup->enmType)
176	{
177	case MMLOOKUPHYPERTYPE_LOCKED:
178	case MMLOOKUPHYPERTYPE_HCPHYS:
179	*poff = off;
180	return pLookup;
181	default:
182	break;
183	}
184	AssertMsgFailed(("enmType=%d\n", pLookup->enmType));
185	poff = 0; / shut up gcc */
186	return NULL;
187	}
188
189	/* next */
190	if (pLookup->offNext == (int32_t)NIL_OFFSET)
191	break;
192	pLookup = (PMMLOOKUPHYPER)((uint8_t *)pLookup + pLookup->offNext);
193	}
194
195	AssertMsgFailed(("RCPtr=%RRv is not inside the hypervisor memory area!\n", RCPtr));
196	poff = 0; / shut up gcc */
197	return NULL;
198	}
199
200
201	/**
202	* Lookup a current context address.
203	*
204	* @returns Pointer to the corresponding lookup record.
205	* @returns NULL on failure.
206	* @param pVM The cross context VM structure.
207	* @param pv The current context address to lookup.
208	* @param poff Where to store the offset into the HMA memory chunk.
209	*/
210	DECLINLINE(PMMLOOKUPHYPER) mmHyperLookupCC(PVM pVM, void pv, uint32_t poff)
211	{
212	#ifdef IN_RING0
213	return mmHyperLookupR0(pVM, pv, poff);
214	#elif defined(IN_RING3)
215	return mmHyperLookupR3(pVM, pv, poff);
216	#else
217	# error "Neither IN_RING0 nor IN_RING3!"
218	#endif
219	}
220
221
222	/**
223	* Calculate the host context ring-3 address of an offset into the HMA memory chunk.
224	*
225	* @returns the host context ring-3 address.
226	* @param pLookup The HMA lookup record.
227	* @param off The offset into the HMA memory chunk.
228	*/
229	DECLINLINE(RTR3PTR) mmHyperLookupCalcR3(PMMLOOKUPHYPER pLookup, uint32_t off)
230	{
231	switch (pLookup->enmType)
232	{
233	case MMLOOKUPHYPERTYPE_LOCKED:
234	return (RTR3PTR)((RTR3UINTPTR)pLookup->u.Locked.pvR3 + off);
235	case MMLOOKUPHYPERTYPE_HCPHYS:
236	return (RTR3PTR)((RTR3UINTPTR)pLookup->u.HCPhys.pvR3 + off);
237	default:
238	AssertMsgFailed(("enmType=%d\n", pLookup->enmType));
239	return NIL_RTR3PTR;
240	}
241	}
242
243
244	/**
245	* Calculate the host context ring-0 address of an offset into the HMA memory chunk.
246	*
247	* @returns the host context ring-0 address.
248	* @param pVM The cross context VM structure.
249	* @param pLookup The HMA lookup record.
250	* @param off The offset into the HMA memory chunk.
251	*/
252	DECLINLINE(RTR0PTR) mmHyperLookupCalcR0(PVM pVM, PMMLOOKUPHYPER pLookup, uint32_t off)
253	{
254	switch (pLookup->enmType)
255	{
256	case MMLOOKUPHYPERTYPE_LOCKED:
257	if (pLookup->u.Locked.pvR0)
258	return (RTR0PTR)((RTR0UINTPTR)pLookup->u.Locked.pvR0 + off);
259	#ifdef IN_RING3
260	AssertMsg(SUPR3IsDriverless(), ("%s\n", R3STRING(pLookup->pszDesc)));
261	#else
262	AssertMsgFailed(("%s\n", R3STRING(pLookup->pszDesc)));
263	#endif
264	NOREF(pVM);
265	return NIL_RTR0PTR;
266
267	case MMLOOKUPHYPERTYPE_HCPHYS:
268	if (pLookup->u.HCPhys.pvR0)
269	return (RTR0PTR)((RTR0UINTPTR)pLookup->u.HCPhys.pvR0 + off);
270	#ifdef IN_RING3
271	AssertMsg(SUPR3IsDriverless(), ("%s\n", R3STRING(pLookup->pszDesc)));
272	#else
273	AssertMsgFailed(("%s\n", R3STRING(pLookup->pszDesc)));
274	#endif
275	return NIL_RTR0PTR;
276
277	default:
278	AssertMsgFailed(("enmType=%d\n", pLookup->enmType));
279	return NIL_RTR0PTR;
280	}
281	}
282
283
284	/**
285	* Calculate the guest context address of an offset into the HMA memory chunk.
286	*
287	* @returns the guest context base address.
288	* @param pVM The cross context VM structure.
289	* @param pLookup The HMA lookup record.
290	* @param off The offset into the HMA memory chunk.
291	*/
292	DECLINLINE(void *) mmHyperLookupCalcCC(PVM pVM, PMMLOOKUPHYPER pLookup, uint32_t off)
293	{
294	#ifdef IN_RING0
295	return mmHyperLookupCalcR0(pVM, pLookup, off);
296	#elif defined(IN_RING3)
297	NOREF(pVM);
298	return mmHyperLookupCalcR3(pLookup, off);
299	#else
300	# error "Neither IN_RING0 nor IN_RING3!"
301	#endif
302	}
303
304
305	/**
306	* Converts a ring-0 host context address in the Hypervisor memory region to a ring-3 host context address.
307	*
308	* @returns ring-3 host context address.
309	* @param pVM The cross context VM structure.
310	* @param R0Ptr The ring-0 host context address.
311	* You'll be damned if this is not in the HMA! :-)
312	* @thread The Emulation Thread.
313	*/
314	VMMDECL(RTR3PTR) MMHyperR0ToR3(PVM pVM, RTR0PTR R0Ptr)
315	{
316	uint32_t off;
317	PMMLOOKUPHYPER pLookup = mmHyperLookupR0(pVM, R0Ptr, &off);
318	if (pLookup)
319	return mmHyperLookupCalcR3(pLookup, off);
320	return NIL_RTR3PTR;
321	}
322
323
324	/**
325	* Converts a ring-3 host context address in the Hypervisor memory region to a ring-0 host context address.
326	*
327	* @returns ring-0 host context address.
328	* @param pVM The cross context VM structure.
329	* @param R3Ptr The ring-3 host context address.
330	* You'll be damned if this is not in the HMA! :-)
331	* @thread The Emulation Thread.
332	*/
333	VMMDECL(RTR0PTR) MMHyperR3ToR0(PVM pVM, RTR3PTR R3Ptr)
334	{
335	uint32_t off;
336	PMMLOOKUPHYPER pLookup = mmHyperLookupR3(pVM, R3Ptr, &off);
337	if (pLookup)
338	return mmHyperLookupCalcR0(pVM, pLookup, off);
339	AssertMsgFailed(("R3Ptr=%p is not inside the hypervisor memory area!\n", R3Ptr));
340	return NIL_RTR0PTR;
341	}
342
343
344	#ifndef IN_RING3
345	/**
346	* Converts a ring-3 host context address in the Hypervisor memory region to a current context address.
347	*
348	* @returns current context address.
349	* @param pVM The cross context VM structure.
350	* @param R3Ptr The ring-3 host context address.
351	* You'll be damned if this is not in the HMA! :-)
352	* @thread The Emulation Thread.
353	*/
354	VMMDECL(void *) MMHyperR3ToCC(PVM pVM, RTR3PTR R3Ptr)
355	{
356	uint32_t off;
357	PMMLOOKUPHYPER pLookup = mmHyperLookupR3(pVM, R3Ptr, &off);
358	if (pLookup)
359	return mmHyperLookupCalcCC(pVM, pLookup, off);
360	return NULL;
361	}
362	#endif
363
364
365	/**
366	* Converts a raw-mode context address in the Hypervisor memory region to a ring-3 context address.
367	*
368	* @returns ring-3 host context address.
369	* @param pVM The cross context VM structure.
370	* @param RCPtr The raw-mode context address.
371	* You'll be damned if this is not in the HMA! :-)
372	* @thread The Emulation Thread.
373	*/
374	VMMDECL(RTR3PTR) MMHyperRCToR3(PVM pVM, RTRCPTR RCPtr)
375	{
376	uint32_t off;
377	PMMLOOKUPHYPER pLookup = mmHyperLookupRC(pVM, RCPtr, &off);
378	if (pLookup)
379	return mmHyperLookupCalcR3(pLookup, off);
380	return NIL_RTR3PTR;
381	}
382
383
384	/**
385	* Converts a raw-mode context address in the Hypervisor memory region to a ring-0 host context address.
386	*
387	* @returns ring-0 host context address.
388	* @param pVM The cross context VM structure.
389	* @param RCPtr The raw-mode context address.
390	* You'll be damned if this is not in the HMA! :-)
391	* @thread The Emulation Thread.
392	*/
393	VMMDECL(RTR0PTR) MMHyperRCToR0(PVM pVM, RTRCPTR RCPtr)
394	{
395	uint32_t off;
396	PMMLOOKUPHYPER pLookup = mmHyperLookupRC(pVM, RCPtr, &off);
397	if (pLookup)
398	return mmHyperLookupCalcR0(pVM, pLookup, off);
399	return NIL_RTR0PTR;
400	}
401
402
403	/**
404	* Converts a raw-mode context address in the Hypervisor memory region to a current context address.
405	*
406	* @returns current context address.
407	* @param pVM The cross context VM structure.
408	* @param RCPtr The raw-mode host context address.
409	* You'll be damned if this is not in the HMA! :-)
410	* @thread The Emulation Thread.
411	*/
412	VMMDECL(void *) MMHyperRCToCC(PVM pVM, RTRCPTR RCPtr)
413	{
414	uint32_t off;
415	PMMLOOKUPHYPER pLookup = mmHyperLookupRC(pVM, RCPtr, &off);
416	if (pLookup)
417	return mmHyperLookupCalcCC(pVM, pLookup, off);
418	return NULL;
419	}
420
421
422	#ifndef IN_RING3
423	/**
424	* Converts a current context address in the Hypervisor memory region to a ring-3 host context address.
425	*
426	* @returns ring-3 host context address.
427	* @param pVM The cross context VM structure.
428	* @param pv The current context address.
429	* You'll be damned if this is not in the HMA! :-)
430	* @thread The Emulation Thread.
431	*/
432	VMMDECL(RTR3PTR) MMHyperCCToR3(PVM pVM, void *pv)
433	{
434	uint32_t off;
435	PMMLOOKUPHYPER pLookup = mmHyperLookupCC(pVM, pv, &off);
436	if (pLookup)
437	return mmHyperLookupCalcR3(pLookup, off);
438	return NIL_RTR3PTR;
439	}
440	#endif
441
442	#ifndef IN_RING0
443	/**
444	* Converts a current context address in the Hypervisor memory region to a ring-0 host context address.
445	*
446	* @returns ring-0 host context address.
447	* @param pVM The cross context VM structure.
448	* @param pv The current context address.
449	* You'll be damned if this is not in the HMA! :-)
450	* @thread The Emulation Thread.
451	*/
452	VMMDECL(RTR0PTR) MMHyperCCToR0(PVM pVM, void *pv)
453	{
454	uint32_t off;
455	PMMLOOKUPHYPER pLookup = mmHyperLookupCC(pVM, pv, &off);
456	if (pLookup)
457	return mmHyperLookupCalcR0(pVM, pLookup, off);
458	return NIL_RTR0PTR;
459	}
460	#endif
461
462
463	/**
464	* Gets the string name of a memory tag.
465	*
466	* @returns name of enmTag.
467	* @param enmTag The tag.
468	*/
469	const char *mmGetTagName(MMTAG enmTag)
470	{
471	switch (enmTag)
472	{
473	#define TAG2STR(tag) case MM_TAG_##tag: return #tag
474
475	TAG2STR(CFGM);
476	TAG2STR(CFGM_BYTES);
477	TAG2STR(CFGM_STRING);
478	TAG2STR(CFGM_USER);
479
480	TAG2STR(CPUM_CTX);
481	TAG2STR(CPUM_CPUID);
482	TAG2STR(CPUM_MSRS);
483
484	TAG2STR(CSAM);
485	TAG2STR(CSAM_PATCH);
486
487	TAG2STR(DBGF);
488	TAG2STR(DBGF_AS);
489	TAG2STR(DBGF_FLOWTRACE);
490	TAG2STR(DBGF_INFO);
491	TAG2STR(DBGF_LINE);
492	TAG2STR(DBGF_LINE_DUP);
493	TAG2STR(DBGF_MODULE);
494	TAG2STR(DBGF_OS);
495	TAG2STR(DBGF_REG);
496	TAG2STR(DBGF_STACK);
497	TAG2STR(DBGF_SYMBOL);
498	TAG2STR(DBGF_SYMBOL_DUP);
499	TAG2STR(DBGF_TYPE);
500	TAG2STR(DBGF_TRACER);
501
502	TAG2STR(EM);
503
504	TAG2STR(IEM);
505
506	TAG2STR(IOM);
507	TAG2STR(IOM_STATS);
508
509	TAG2STR(MM);
510	TAG2STR(MM_LOOKUP_GUEST);
511	TAG2STR(MM_LOOKUP_PHYS);
512	TAG2STR(MM_LOOKUP_VIRT);
513	TAG2STR(MM_PAGE);
514
515	TAG2STR(PARAV);
516
517	TAG2STR(PATM);
518	TAG2STR(PATM_PATCH);
519
520	TAG2STR(PDM);
521	TAG2STR(PDM_DEVICE);
522	TAG2STR(PDM_DEVICE_DESC);
523	TAG2STR(PDM_DEVICE_USER);
524	TAG2STR(PDM_DRIVER);
525	TAG2STR(PDM_DRIVER_DESC);
526	TAG2STR(PDM_DRIVER_USER);
527	TAG2STR(PDM_USB);
528	TAG2STR(PDM_USB_DESC);
529	TAG2STR(PDM_USB_USER);
530	TAG2STR(PDM_LUN);
531	TAG2STR(PDM_QUEUE);
532	TAG2STR(PDM_THREAD);
533	TAG2STR(PDM_ASYNC_COMPLETION);
534	#ifdef VBOX_WITH_NETSHAPER
535	TAG2STR(PDM_NET_SHAPER);
536	#endif /* VBOX_WITH_NETSHAPER */
537
538	TAG2STR(PGM);
539	TAG2STR(PGM_CHUNK_MAPPING);
540	TAG2STR(PGM_HANDLERS);
541	TAG2STR(PGM_HANDLER_TYPES);
542	TAG2STR(PGM_MAPPINGS);
543	TAG2STR(PGM_PHYS);
544	TAG2STR(PGM_POOL);
545
546	TAG2STR(REM);
547
548	TAG2STR(SELM);
549
550	TAG2STR(SSM);
551
552	TAG2STR(STAM);
553
554	TAG2STR(TM);
555
556	TAG2STR(TRPM);
557
558	TAG2STR(VM);
559	TAG2STR(VM_REQ);
560
561	TAG2STR(VMM);
562
563	TAG2STR(HM);
564
565	#undef TAG2STR
566
567	default:
568	{
569	AssertMsgFailed(("Unknown tag %d! forgot to add it to the switch?\n", enmTag));
570	#ifdef IN_RING3
571	static char sz[48];
572	RTStrPrintf(sz, sizeof(sz), "%d", enmTag);
573	return sz;
574	#else
575	return "unknown tag!";
576	#endif
577	}
578	}
579	}
580

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source: vbox/trunk/src/VBox/VMM/VMMAll/MMAll.cpp@ 93592

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