MMAll.cpp@ 91909

Last change on this file since 91909 was 91907, checked in by vboxsync, 4 years ago
VMM/MM: Eliminated MMHyperCCToRC and MMHyperR0ToRC. bugref:9517
Property svn:eol-style set to `native` Property svn:keywords set to `Id Revision`
File size: 18.6 KB

Line
1	/* $Id: MMAll.cpp 91907 2021-10-20 19:00:05Z vboxsync $ */
2	/** @file
3	* MM - Memory Manager - Any Context.
4	*/
5
6	/*
7	* Copyright (C) 2006-2020 Oracle Corporation
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
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	AssertMsgFailed(("%s\n", R3STRING(pLookup->pszDesc))); NOREF(pVM);
260	return NIL_RTR0PTR;
261
262	case MMLOOKUPHYPERTYPE_HCPHYS:
263	if (pLookup->u.HCPhys.pvR0)
264	return (RTR0PTR)((RTR0UINTPTR)pLookup->u.HCPhys.pvR0 + off);
265	AssertMsgFailed(("%s\n", R3STRING(pLookup->pszDesc)));
266	return NIL_RTR0PTR;
267
268	default:
269	AssertMsgFailed(("enmType=%d\n", pLookup->enmType));
270	return NIL_RTR0PTR;
271	}
272	}
273
274
275	/**
276	* Calculate the raw-mode context address of an offset into the HMA memory chunk.
277	*
278	* @returns the raw-mode context base address.
279	* @param pVM The cross context VM structure.
280	* @param pLookup The HMA lookup record.
281	* @param off The offset into the HMA memory chunk.
282	*/
283	DECLINLINE(RTRCPTR) mmHyperLookupCalcRC(PVM pVM, PMMLOOKUPHYPER pLookup, uint32_t off)
284	{
285	return (RTRCPTR)((RTRCUINTPTR)pVM->mm.s.pvHyperAreaGC + pLookup->off + off);
286	}
287
288
289	/**
290	* Calculate the guest context address of an offset into the HMA memory chunk.
291	*
292	* @returns the guest context base address.
293	* @param pVM The cross context VM structure.
294	* @param pLookup The HMA lookup record.
295	* @param off The offset into the HMA memory chunk.
296	*/
297	DECLINLINE(void *) mmHyperLookupCalcCC(PVM pVM, PMMLOOKUPHYPER pLookup, uint32_t off)
298	{
299	#ifdef IN_RING0
300	return mmHyperLookupCalcR0(pVM, pLookup, off);
301	#elif defined(IN_RING3)
302	NOREF(pVM);
303	return mmHyperLookupCalcR3(pLookup, off);
304	#else
305	# error "Neither IN_RING0 nor IN_RING3!"
306	#endif
307	}
308
309
310	/**
311	* Converts a ring-0 host context address in the Hypervisor memory region to a ring-3 host context address.
312	*
313	* @returns ring-3 host context address.
314	* @param pVM The cross context VM structure.
315	* @param R0Ptr The ring-0 host context address.
316	* You'll be damned if this is not in the HMA! :-)
317	* @thread The Emulation Thread.
318	*/
319	VMMDECL(RTR3PTR) MMHyperR0ToR3(PVM pVM, RTR0PTR R0Ptr)
320	{
321	uint32_t off;
322	PMMLOOKUPHYPER pLookup = mmHyperLookupR0(pVM, R0Ptr, &off);
323	if (pLookup)
324	return mmHyperLookupCalcR3(pLookup, off);
325	return NIL_RTR3PTR;
326	}
327
328
329	#ifndef IN_RING0
330	/**
331	* Converts a ring-0 host context address in the Hypervisor memory region to a current context address.
332	*
333	* @returns current context address.
334	* @param pVM The cross context VM structure.
335	* @param R0Ptr The ring-0 host context address.
336	* You'll be damned if this is not in the HMA! :-)
337	* @thread The Emulation Thread.
338	*/
339	VMMDECL(void *) MMHyperR0ToCC(PVM pVM, RTR0PTR R0Ptr)
340	{
341	uint32_t off;
342	PMMLOOKUPHYPER pLookup = mmHyperLookupR0(pVM, R0Ptr, &off);
343	if (pLookup)
344	return mmHyperLookupCalcCC(pVM, pLookup, off);
345	return NULL;
346	}
347	#endif
348
349
350	/**
351	* Converts a ring-3 host context address in the Hypervisor memory region to a ring-0 host context address.
352	*
353	* @returns ring-0 host context address.
354	* @param pVM The cross context VM structure.
355	* @param R3Ptr The ring-3 host context address.
356	* You'll be damned if this is not in the HMA! :-)
357	* @thread The Emulation Thread.
358	*/
359	VMMDECL(RTR0PTR) MMHyperR3ToR0(PVM pVM, RTR3PTR R3Ptr)
360	{
361	uint32_t off;
362	PMMLOOKUPHYPER pLookup = mmHyperLookupR3(pVM, R3Ptr, &off);
363	if (pLookup)
364	return mmHyperLookupCalcR0(pVM, pLookup, off);
365	AssertMsgFailed(("R3Ptr=%p is not inside the hypervisor memory area!\n", R3Ptr));
366	return NIL_RTR0PTR;
367	}
368
369
370	/**
371	* Converts a ring-3 host context address in the Hypervisor memory region to a guest context address.
372	*
373	* @returns guest context address.
374	* @param pVM The cross context VM structure.
375	* @param R3Ptr The ring-3 host context address.
376	* You'll be damned if this is not in the HMA! :-)
377	* @thread The Emulation Thread.
378	*/
379	VMMDECL(RTRCPTR) MMHyperR3ToRC(PVM pVM, RTR3PTR R3Ptr)
380	{
381	uint32_t off;
382	PMMLOOKUPHYPER pLookup = mmHyperLookupR3(pVM, R3Ptr, &off);
383	if (pLookup)
384	return mmHyperLookupCalcRC(pVM, pLookup, off);
385	AssertMsgFailed(("R3Ptr=%p is not inside the hypervisor memory area!\n", R3Ptr));
386	return NIL_RTRCPTR;
387	}
388
389
390	#ifndef IN_RING3
391	/**
392	* Converts a ring-3 host context address in the Hypervisor memory region to a current context address.
393	*
394	* @returns current context address.
395	* @param pVM The cross context VM structure.
396	* @param R3Ptr The ring-3 host context address.
397	* You'll be damned if this is not in the HMA! :-)
398	* @thread The Emulation Thread.
399	*/
400	VMMDECL(void *) MMHyperR3ToCC(PVM pVM, RTR3PTR R3Ptr)
401	{
402	uint32_t off;
403	PMMLOOKUPHYPER pLookup = mmHyperLookupR3(pVM, R3Ptr, &off);
404	if (pLookup)
405	return mmHyperLookupCalcCC(pVM, pLookup, off);
406	return NULL;
407	}
408	#endif
409
410
411	/**
412	* Converts a raw-mode context address in the Hypervisor memory region to a ring-3 context address.
413	*
414	* @returns ring-3 host context address.
415	* @param pVM The cross context VM structure.
416	* @param RCPtr The raw-mode context address.
417	* You'll be damned if this is not in the HMA! :-)
418	* @thread The Emulation Thread.
419	*/
420	VMMDECL(RTR3PTR) MMHyperRCToR3(PVM pVM, RTRCPTR RCPtr)
421	{
422	uint32_t off;
423	PMMLOOKUPHYPER pLookup = mmHyperLookupRC(pVM, RCPtr, &off);
424	if (pLookup)
425	return mmHyperLookupCalcR3(pLookup, off);
426	return NIL_RTR3PTR;
427	}
428
429
430	/**
431	* Converts a raw-mode context address in the Hypervisor memory region to a ring-0 host context address.
432	*
433	* @returns ring-0 host context address.
434	* @param pVM The cross context VM structure.
435	* @param RCPtr The raw-mode context address.
436	* You'll be damned if this is not in the HMA! :-)
437	* @thread The Emulation Thread.
438	*/
439	VMMDECL(RTR0PTR) MMHyperRCToR0(PVM pVM, RTRCPTR RCPtr)
440	{
441	uint32_t off;
442	PMMLOOKUPHYPER pLookup = mmHyperLookupRC(pVM, RCPtr, &off);
443	if (pLookup)
444	return mmHyperLookupCalcR0(pVM, pLookup, off);
445	return NIL_RTR0PTR;
446	}
447
448
449	/**
450	* Converts a raw-mode context address in the Hypervisor memory region to a current context address.
451	*
452	* @returns current context address.
453	* @param pVM The cross context VM structure.
454	* @param RCPtr The raw-mode host context address.
455	* You'll be damned if this is not in the HMA! :-)
456	* @thread The Emulation Thread.
457	*/
458	VMMDECL(void *) MMHyperRCToCC(PVM pVM, RTRCPTR RCPtr)
459	{
460	uint32_t off;
461	PMMLOOKUPHYPER pLookup = mmHyperLookupRC(pVM, RCPtr, &off);
462	if (pLookup)
463	return mmHyperLookupCalcCC(pVM, pLookup, off);
464	return NULL;
465	}
466
467
468	#ifndef IN_RING3
469	/**
470	* Converts a current context address in the Hypervisor memory region to a ring-3 host context address.
471	*
472	* @returns ring-3 host context address.
473	* @param pVM The cross context VM structure.
474	* @param pv The current context address.
475	* You'll be damned if this is not in the HMA! :-)
476	* @thread The Emulation Thread.
477	*/
478	VMMDECL(RTR3PTR) MMHyperCCToR3(PVM pVM, void *pv)
479	{
480	uint32_t off;
481	PMMLOOKUPHYPER pLookup = mmHyperLookupCC(pVM, pv, &off);
482	if (pLookup)
483	return mmHyperLookupCalcR3(pLookup, off);
484	return NIL_RTR3PTR;
485	}
486	#endif
487
488	#ifndef IN_RING0
489	/**
490	* Converts a current context address in the Hypervisor memory region to a ring-0 host context address.
491	*
492	* @returns ring-0 host context address.
493	* @param pVM The cross context VM structure.
494	* @param pv The current context address.
495	* You'll be damned if this is not in the HMA! :-)
496	* @thread The Emulation Thread.
497	*/
498	VMMDECL(RTR0PTR) MMHyperCCToR0(PVM pVM, void *pv)
499	{
500	uint32_t off;
501	PMMLOOKUPHYPER pLookup = mmHyperLookupCC(pVM, pv, &off);
502	if (pLookup)
503	return mmHyperLookupCalcR0(pVM, pLookup, off);
504	return NIL_RTR0PTR;
505	}
506	#endif
507
508
509	/**
510	* Gets the string name of a memory tag.
511	*
512	* @returns name of enmTag.
513	* @param enmTag The tag.
514	*/
515	const char *mmGetTagName(MMTAG enmTag)
516	{
517	switch (enmTag)
518	{
519	#define TAG2STR(tag) case MM_TAG_##tag: return #tag
520
521	TAG2STR(CFGM);
522	TAG2STR(CFGM_BYTES);
523	TAG2STR(CFGM_STRING);
524	TAG2STR(CFGM_USER);
525
526	TAG2STR(CPUM_CTX);
527	TAG2STR(CPUM_CPUID);
528	TAG2STR(CPUM_MSRS);
529
530	TAG2STR(CSAM);
531	TAG2STR(CSAM_PATCH);
532
533	TAG2STR(DBGF);
534	TAG2STR(DBGF_AS);
535	TAG2STR(DBGF_FLOWTRACE);
536	TAG2STR(DBGF_INFO);
537	TAG2STR(DBGF_LINE);
538	TAG2STR(DBGF_LINE_DUP);
539	TAG2STR(DBGF_MODULE);
540	TAG2STR(DBGF_OS);
541	TAG2STR(DBGF_REG);
542	TAG2STR(DBGF_STACK);
543	TAG2STR(DBGF_SYMBOL);
544	TAG2STR(DBGF_SYMBOL_DUP);
545	TAG2STR(DBGF_TYPE);
546	TAG2STR(DBGF_TRACER);
547
548	TAG2STR(EM);
549
550	TAG2STR(IEM);
551
552	TAG2STR(IOM);
553	TAG2STR(IOM_STATS);
554
555	TAG2STR(MM);
556	TAG2STR(MM_LOOKUP_GUEST);
557	TAG2STR(MM_LOOKUP_PHYS);
558	TAG2STR(MM_LOOKUP_VIRT);
559	TAG2STR(MM_PAGE);
560
561	TAG2STR(PARAV);
562
563	TAG2STR(PATM);
564	TAG2STR(PATM_PATCH);
565
566	TAG2STR(PDM);
567	TAG2STR(PDM_DEVICE);
568	TAG2STR(PDM_DEVICE_DESC);
569	TAG2STR(PDM_DEVICE_USER);
570	TAG2STR(PDM_DRIVER);
571	TAG2STR(PDM_DRIVER_DESC);
572	TAG2STR(PDM_DRIVER_USER);
573	TAG2STR(PDM_USB);
574	TAG2STR(PDM_USB_DESC);
575	TAG2STR(PDM_USB_USER);
576	TAG2STR(PDM_LUN);
577	TAG2STR(PDM_QUEUE);
578	TAG2STR(PDM_THREAD);
579	TAG2STR(PDM_ASYNC_COMPLETION);
580	#ifdef VBOX_WITH_NETSHAPER
581	TAG2STR(PDM_NET_SHAPER);
582	#endif /* VBOX_WITH_NETSHAPER */
583
584	TAG2STR(PGM);
585	TAG2STR(PGM_CHUNK_MAPPING);
586	TAG2STR(PGM_HANDLERS);
587	TAG2STR(PGM_HANDLER_TYPES);
588	TAG2STR(PGM_MAPPINGS);
589	TAG2STR(PGM_PHYS);
590	TAG2STR(PGM_POOL);
591
592	TAG2STR(REM);
593
594	TAG2STR(SELM);
595
596	TAG2STR(SSM);
597
598	TAG2STR(STAM);
599
600	TAG2STR(TM);
601
602	TAG2STR(TRPM);
603
604	TAG2STR(VM);
605	TAG2STR(VM_REQ);
606
607	TAG2STR(VMM);
608
609	TAG2STR(HM);
610
611	#undef TAG2STR
612
613	default:
614	{
615	AssertMsgFailed(("Unknown tag %d! forgot to add it to the switch?\n", enmTag));
616	#ifdef IN_RING3
617	static char sz[48];
618	RTStrPrintf(sz, sizeof(sz), "%d", enmTag);
619	return sz;
620	#else
621	return "unknown tag!";
622	#endif
623	}
624	}
625	}
626

Note: See TracBrowser for help on using the repository browser.

source: vbox/trunk/src/VBox/VMM/VMMAll/MMAll.cpp@ 91909

Download in other formats: