PGMHandler.cpp@ 45865

Last change on this file since 45865 was 45808, checked in by vboxsync, 12 years ago
VMM,DevVGA: Don't resolve RC symbols when HM is enabled (part 1).
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1	/* $Id: PGMHandler.cpp 45808 2013-04-29 12:41:07Z vboxsync $ */
2	/** @file
3	* PGM - Page Manager / Monitor, Access Handlers.
4	*/
5
6	/*
7	* Copyright (C) 2006-2012 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_PGM
23	#include <VBox/vmm/dbgf.h>
24	#include <VBox/vmm/pgm.h>
25	#include <VBox/vmm/cpum.h>
26	#include <VBox/vmm/iom.h>
27	#include <VBox/sup.h>
28	#include <VBox/vmm/mm.h>
29	#include <VBox/vmm/em.h>
30	#include <VBox/vmm/stam.h>
31	#include <VBox/vmm/csam.h>
32	#ifdef VBOX_WITH_REM
33	# include <VBox/vmm/rem.h>
34	#endif
35	#include <VBox/vmm/dbgf.h>
36	#ifdef VBOX_WITH_REM
37	# include <VBox/vmm/rem.h>
38	#endif
39	#include <VBox/vmm/selm.h>
40	#include <VBox/vmm/ssm.h>
41	#include "PGMInternal.h"
42	#include <VBox/vmm/vm.h>
43	#include "PGMInline.h"
44	#include <VBox/dbg.h>
45
46	#include <VBox/log.h>
47	#include <iprt/assert.h>
48	#include <iprt/alloc.h>
49	#include <iprt/asm.h>
50	#include <iprt/thread.h>
51	#include <iprt/string.h>
52	#include <VBox/param.h>
53	#include <VBox/err.h>
54	#include <VBox/vmm/hm.h>
55
56
57	/*******************************************************************************
58	* Internal Functions *
59	*******************************************************************************/
60	static DECLCALLBACK(int) pgmR3HandlerPhysicalOneClear(PAVLROGCPHYSNODECORE pNode, void *pvUser);
61	static DECLCALLBACK(int) pgmR3HandlerPhysicalOneSet(PAVLROGCPHYSNODECORE pNode, void *pvUser);
62	static DECLCALLBACK(int) pgmR3InfoHandlersPhysicalOne(PAVLROGCPHYSNODECORE pNode, void *pvUser);
63	static DECLCALLBACK(int) pgmR3InfoHandlersVirtualOne(PAVLROGCPTRNODECORE pNode, void *pvUser);
64
65
66
67	/**
68	* Register a access handler for a physical range.
69	*
70	* @returns VBox status code.
71	* @param pVM Pointer to the VM.
72	* @param enmType Handler type. Any of the PGMPHYSHANDLERTYPE_PHYSICAL* enums.
73	* @param GCPhys Start physical address.
74	* @param GCPhysLast Last physical address. (inclusive)
75	* @param pfnHandlerR3 The R3 handler.
76	* @param pvUserR3 User argument to the R3 handler.
77	* @param pszModR0 The R0 handler module. NULL means the default R0 module.
78	* @param pszHandlerR0 The R0 handler symbol name.
79	* @param pvUserR0 User argument to the R0 handler.
80	* @param pszModRC The RC handler module. NULL means the default RC
81	* module.
82	* @param pszHandlerRC The RC handler symbol name.
83	* @param pvUserRC User argument to the RC handler. Values less than
84	* 0x10000 will not be relocated.
85	* @param pszDesc Pointer to description string. This must not be freed.
86	*/
87	VMMR3DECL(int) PGMR3HandlerPhysicalRegister(PVM pVM, PGMPHYSHANDLERTYPE enmType, RTGCPHYS GCPhys, RTGCPHYS GCPhysLast,
88	PFNPGMR3PHYSHANDLER pfnHandlerR3, void *pvUserR3,
89	const char pszModR0, const char pszHandlerR0, RTR0PTR pvUserR0,
90	const char pszModRC, const char pszHandlerRC, RTRCPTR pvUserRC, const char *pszDesc)
91	{
92	LogFlow(("PGMR3HandlerPhysicalRegister: enmType=%d GCPhys=%RGp GCPhysLast=%RGp pfnHandlerR3=%RHv pvUserHC=%RHv pszModR0=%s pszHandlerR0=%s pvUserR0=%RHv pszModRC=%s pszHandlerRC=%s pvUser=%RRv pszDesc=%s\n",
93	enmType, GCPhys, GCPhysLast, pfnHandlerR3, pvUserR3, pszModR0, pszHandlerR0, pvUserR0, pszHandlerRC, pszModRC, pvUserRC, pszDesc));
94
95	/*
96	* Validate input.
97	*/
98	if (!pszModRC)
99	pszModRC = VMMGC_MAIN_MODULE_NAME;
100	if (!pszModR0)
101	pszModR0 = VMMR0_MAIN_MODULE_NAME;
102	if (!pszHandlerR0)
103	pszHandlerR0 = "pgmPhysHandlerRedirectToHC";
104	if (!pszHandlerRC)
105	pszHandlerRC = "pgmPhysHandlerRedirectToHC";
106	AssertPtrReturn(pfnHandlerR3, VERR_INVALID_POINTER);
107	AssertPtrReturn(pszHandlerR0, VERR_INVALID_POINTER);
108	AssertPtrReturn(pszHandlerRC, VERR_INVALID_POINTER);
109
110	/*
111	* Resolve the R0 handler.
112	*/
113	R0PTRTYPE(PFNPGMR0PHYSHANDLER) pfnHandlerR0 = NIL_RTR0PTR;
114	int rc = VINF_SUCCESS;
115	rc = PDMR3LdrGetSymbolR0Lazy(pVM, pszModR0, NULL /pszSearchPath/, pszHandlerR0, &pfnHandlerR0);
116	if (RT_SUCCESS(rc))
117	{
118	/*
119	* Resolve the GC handler.
120	*/
121	RTRCPTR pfnHandlerRC = NIL_RTRCPTR;
122	if (!HMIsEnabled(pVM))
123	rc = PDMR3LdrGetSymbolRCLazy(pVM, pszModRC, NULL /pszSearchPath/, pszHandlerRC, &pfnHandlerRC);
124	if (RT_SUCCESS(rc))
125	return PGMHandlerPhysicalRegisterEx(pVM, enmType, GCPhys, GCPhysLast, pfnHandlerR3, pvUserR3,
126	pfnHandlerR0, pvUserR0, pfnHandlerRC, pvUserRC, pszDesc);
127
128	AssertMsgFailed(("Failed to resolve %s.%s, rc=%Rrc.\n", pszModRC, pszHandlerRC, rc));
129	}
130	else
131	AssertMsgFailed(("Failed to resolve %s.%s, rc=%Rrc.\n", pszModR0, pszHandlerR0, rc));
132
133	return rc;
134	}
135
136
137	/**
138	* Updates the physical page access handlers.
139	*
140	* @param pVM Pointer to the VM.
141	* @remark Only used when restoring a saved state.
142	*/
143	void pgmR3HandlerPhysicalUpdateAll(PVM pVM)
144	{
145	LogFlow(("pgmHandlerPhysicalUpdateAll:\n"));
146
147	/*
148	* Clear and set.
149	* (the right -> left on the setting pass is just bird speculating on cache hits)
150	*/
151	pgmLock(pVM);
152	RTAvlroGCPhysDoWithAll(&pVM->pgm.s.CTX_SUFF(pTrees)->PhysHandlers, true, pgmR3HandlerPhysicalOneClear, pVM);
153	RTAvlroGCPhysDoWithAll(&pVM->pgm.s.CTX_SUFF(pTrees)->PhysHandlers, false, pgmR3HandlerPhysicalOneSet, pVM);
154	pgmUnlock(pVM);
155	}
156
157
158	/**
159	* Clears all the page level flags for one physical handler range.
160	*
161	* @returns 0
162	* @param pNode Pointer to a PGMPHYSHANDLER.
163	* @param pvUser Pointer to the VM.
164	*/
165	static DECLCALLBACK(int) pgmR3HandlerPhysicalOneClear(PAVLROGCPHYSNODECORE pNode, void *pvUser)
166	{
167	PPGMPHYSHANDLER pCur = (PPGMPHYSHANDLER)pNode;
168	PPGMRAMRANGE pRamHint = NULL;
169	RTGCPHYS GCPhys = pCur->Core.Key;
170	RTUINT cPages = pCur->cPages;
171	PVM pVM = (PVM)pvUser;
172	for (;;)
173	{
174	PPGMPAGE pPage;
175	int rc = pgmPhysGetPageWithHintEx(pVM, GCPhys, &pPage, &pRamHint);
176	if (RT_SUCCESS(rc))
177	PGM_PAGE_SET_HNDL_PHYS_STATE(pPage, PGM_PAGE_HNDL_PHYS_STATE_NONE);
178	else
179	AssertRC(rc);
180
181	if (--cPages == 0)
182	return 0;
183	GCPhys += PAGE_SIZE;
184	}
185	}
186
187
188	/**
189	* Sets all the page level flags for one physical handler range.
190	*
191	* @returns 0
192	* @param pNode Pointer to a PGMPHYSHANDLER.
193	* @param pvUser Pointer to the VM.
194	*/
195	static DECLCALLBACK(int) pgmR3HandlerPhysicalOneSet(PAVLROGCPHYSNODECORE pNode, void *pvUser)
196	{
197	PPGMPHYSHANDLER pCur = (PPGMPHYSHANDLER)pNode;
198	unsigned uState = pgmHandlerPhysicalCalcState(pCur);
199	PPGMRAMRANGE pRamHint = NULL;
200	RTGCPHYS GCPhys = pCur->Core.Key;
201	RTUINT cPages = pCur->cPages;
202	PVM pVM = (PVM)pvUser;
203	for (;;)
204	{
205	PPGMPAGE pPage;
206	int rc = pgmPhysGetPageWithHintEx(pVM, GCPhys, &pPage, &pRamHint);
207	if (RT_SUCCESS(rc))
208	PGM_PAGE_SET_HNDL_PHYS_STATE(pPage, uState);
209	else
210	AssertRC(rc);
211
212	if (--cPages == 0)
213	return 0;
214	GCPhys += PAGE_SIZE;
215	}
216	}
217
218
219	/**
220	* Register a access handler for a virtual range.
221	*
222	* @returns VBox status code.
223	* @param pVM Pointer to the VM.
224	* @param enmType Handler type. Any of the PGMVIRTHANDLERTYPE_* enums.
225	* @param GCPtr Start address.
226	* @param GCPtrLast Last address (inclusive).
227	* @param pfnInvalidateR3 The R3 invalidate callback (can be 0)
228	* @param pfnHandlerR3 The R3 handler.
229	* @param pszHandlerRC The RC handler symbol name.
230	* @param pszModRC The RC handler module.
231	* @param pszDesc Pointer to description string. This must not be freed.
232	*/
233	VMMR3DECL(int) PGMR3HandlerVirtualRegister(PVM pVM, PGMVIRTHANDLERTYPE enmType, RTGCPTR GCPtr, RTGCPTR GCPtrLast,
234	PFNPGMR3VIRTINVALIDATE pfnInvalidateR3,
235	PFNPGMR3VIRTHANDLER pfnHandlerR3,
236	const char pszHandlerRC, const char pszModRC,
237	const char *pszDesc)
238	{
239	LogFlow(("PGMR3HandlerVirtualRegisterEx: enmType=%d GCPtr=%RGv GCPtrLast=%RGv pszHandlerRC=%p:{%s} pszModRC=%p:{%s} pszDesc=%s\n",
240	enmType, GCPtr, GCPtrLast, pszHandlerRC, pszHandlerRC, pszModRC, pszModRC, pszDesc));
241
242	/* Not supported/relevant for VT-x and AMD-V. */
243	if (HMIsEnabled(pVM))
244	return VERR_NOT_IMPLEMENTED;
245
246	/*
247	* Validate input.
248	*/
249	if (!pszModRC)
250	pszModRC = VMMGC_MAIN_MODULE_NAME;
251	if (!pszModRC \|\| !pszModRC \|\| !pszHandlerRC \|\| !pszHandlerRC)
252	{
253	AssertMsgFailed(("pfnHandlerGC or/and pszModRC is missing\n"));
254	return VERR_INVALID_PARAMETER;
255	}
256
257	/*
258	* Resolve the GC handler.
259	*/
260	RTRCPTR pfnHandlerRC;
261	int rc = PDMR3LdrGetSymbolRCLazy(pVM, pszModRC, NULL /pszSearchPath/, pszHandlerRC, &pfnHandlerRC);
262	if (RT_SUCCESS(rc))
263	return PGMR3HandlerVirtualRegisterEx(pVM, enmType, GCPtr, GCPtrLast, pfnInvalidateR3,
264	pfnHandlerR3, pfnHandlerRC, pszDesc);
265
266	AssertMsgFailed(("Failed to resolve %s.%s, rc=%Rrc.\n", pszModRC, pszHandlerRC, rc));
267	return rc;
268	}
269
270
271	/**
272	* Register an access handler for a virtual range.
273	*
274	* @returns VBox status code.
275	* @param pVM Pointer to the VM.
276	* @param enmType Handler type. Any of the PGMVIRTHANDLERTYPE_* enums.
277	* @param GCPtr Start address.
278	* @param GCPtrLast Last address (inclusive).
279	* @param pfnInvalidateR3 The R3 invalidate callback (can be 0)
280	* @param pfnHandlerR3 The R3 handler.
281	* @param pfnHandlerRC The RC handler.
282	* @param pszDesc Pointer to description string. This must not be freed.
283	* @thread EMT
284	*/
285	/** @todo create a template for virtual handlers (see async i/o), we're wasting space
286	* duplicating the function pointers now. (Or we will once we add the missing callbacks.) */
287	VMMDECL(int) PGMR3HandlerVirtualRegisterEx(PVM pVM, PGMVIRTHANDLERTYPE enmType, RTGCPTR GCPtr, RTGCPTR GCPtrLast,
288	R3PTRTYPE(PFNPGMR3VIRTINVALIDATE) pfnInvalidateR3,
289	R3PTRTYPE(PFNPGMR3VIRTHANDLER) pfnHandlerR3,
290	RCPTRTYPE(PFNPGMRCVIRTHANDLER) pfnHandlerRC,
291	R3PTRTYPE(const char *) pszDesc)
292	{
293	Log(("PGMR3HandlerVirtualRegister: enmType=%d GCPtr=%RGv GCPtrLast=%RGv pfnInvalidateR3=%RHv pfnHandlerR3=%RHv pfnHandlerRC=%RRv pszDesc=%s\n",
294	enmType, GCPtr, GCPtrLast, pfnInvalidateR3, pfnHandlerR3, pfnHandlerRC, pszDesc));
295
296	/* Not supported/relevant for VT-x and AMD-V. */
297	if (HMIsEnabled(pVM))
298	return VERR_NOT_IMPLEMENTED;
299
300	/*
301	* Validate input.
302	*/
303	switch (enmType)
304	{
305	case PGMVIRTHANDLERTYPE_ALL:
306	AssertReleaseMsgReturn( (GCPtr & PAGE_OFFSET_MASK) == 0
307	&& (GCPtrLast & PAGE_OFFSET_MASK) == PAGE_OFFSET_MASK,
308	("PGMVIRTHANDLERTYPE_ALL: GCPtr=%RGv GCPtrLast=%RGv\n", GCPtr, GCPtrLast),
309	VERR_NOT_IMPLEMENTED);
310	break;
311	case PGMVIRTHANDLERTYPE_WRITE:
312	if (!pfnHandlerR3)
313	{
314	AssertMsgFailed(("No HC handler specified!!\n"));
315	return VERR_INVALID_PARAMETER;
316	}
317	break;
318
319	case PGMVIRTHANDLERTYPE_HYPERVISOR:
320	if (pfnHandlerR3)
321	{
322	AssertMsgFailed(("R3 handler specified for hypervisor range!?!\n"));
323	return VERR_INVALID_PARAMETER;
324	}
325	break;
326	default:
327	AssertMsgFailed(("Invalid enmType! enmType=%d\n", enmType));
328	return VERR_INVALID_PARAMETER;
329	}
330	if (GCPtrLast < GCPtr)
331	{
332	AssertMsgFailed(("GCPtrLast < GCPtr (%#x < %#x)\n", GCPtrLast, GCPtr));
333	return VERR_INVALID_PARAMETER;
334	}
335	if (!pfnHandlerRC)
336	{
337	AssertMsgFailed(("pfnHandlerRC is missing\n"));
338	return VERR_INVALID_PARAMETER;
339	}
340
341	/*
342	* Allocate and initialize a new entry.
343	*/
344	unsigned cPages = (RT_ALIGN(GCPtrLast + 1, PAGE_SIZE) - (GCPtr & PAGE_BASE_GC_MASK)) >> PAGE_SHIFT;
345	PPGMVIRTHANDLER pNew;
346	int rc = MMHyperAlloc(pVM, RT_OFFSETOF(PGMVIRTHANDLER, aPhysToVirt[cPages]), 0, MM_TAG_PGM_HANDLERS, (void )&pNew); / @todo r=bird: incorrect member name PhysToVirt? */
347	if (RT_FAILURE(rc))
348	return rc;
349
350	pNew->Core.Key = GCPtr;
351	pNew->Core.KeyLast = GCPtrLast;
352
353	pNew->enmType = enmType;
354	pNew->pfnInvalidateR3 = pfnInvalidateR3;
355	pNew->pfnHandlerRC = pfnHandlerRC;
356	pNew->pfnHandlerR3 = pfnHandlerR3;
357	pNew->pszDesc = pszDesc;
358	pNew->cb = GCPtrLast - GCPtr + 1;
359	pNew->cPages = cPages;
360	/* Will be synced at next guest execution attempt. */
361	while (cPages-- > 0)
362	{
363	pNew->aPhysToVirt[cPages].Core.Key = NIL_RTGCPHYS;
364	pNew->aPhysToVirt[cPages].Core.KeyLast = NIL_RTGCPHYS;
365	pNew->aPhysToVirt[cPages].offVirtHandler = -RT_OFFSETOF(PGMVIRTHANDLER, aPhysToVirt[cPages]);
366	pNew->aPhysToVirt[cPages].offNextAlias = 0;
367	}
368
369	/*
370	* Try to insert it into the tree.
371	*
372	* The current implementation doesn't allow multiple handlers for
373	* the same range this makes everything much simpler and faster.
374	*/
375	AVLROGCPTRTREE *pRoot = enmType != PGMVIRTHANDLERTYPE_HYPERVISOR
376	? &pVM->pgm.s.CTX_SUFF(pTrees)->VirtHandlers
377	: &pVM->pgm.s.CTX_SUFF(pTrees)->HyperVirtHandlers;
378	pgmLock(pVM);
379	if (*pRoot != 0)
380	{
381	PPGMVIRTHANDLER pCur = (PPGMVIRTHANDLER)RTAvlroGCPtrGetBestFit(pRoot, pNew->Core.Key, true);
382	if ( !pCur
383	\|\| GCPtr > pCur->Core.KeyLast
384	\|\| GCPtrLast < pCur->Core.Key)
385	pCur = (PPGMVIRTHANDLER)RTAvlroGCPtrGetBestFit(pRoot, pNew->Core.Key, false);
386	if ( pCur
387	&& GCPtr <= pCur->Core.KeyLast
388	&& GCPtrLast >= pCur->Core.Key)
389	{
390	/*
391	* The LDT sometimes conflicts with the IDT and LDT ranges while being
392	* updated on linux. So, we don't assert simply log it.
393	*/
394	Log(("PGMR3HandlerVirtualRegister: Conflict with existing range %RGv-%RGv (%s), req. %RGv-%RGv (%s)\n",
395	pCur->Core.Key, pCur->Core.KeyLast, pCur->pszDesc, GCPtr, GCPtrLast, pszDesc));
396	MMHyperFree(pVM, pNew);
397	pgmUnlock(pVM);
398	return VERR_PGM_HANDLER_VIRTUAL_CONFLICT;
399	}
400	}
401	if (RTAvlroGCPtrInsert(pRoot, &pNew->Core))
402	{
403	if (enmType != PGMVIRTHANDLERTYPE_HYPERVISOR)
404	{
405	PVMCPU pVCpu = VMMGetCpu(pVM);
406
407	pVCpu->pgm.s.fSyncFlags \|= PGM_SYNC_UPDATE_PAGE_BIT_VIRTUAL \| PGM_SYNC_CLEAR_PGM_POOL;
408	VMCPU_FF_SET(pVCpu, VMCPU_FF_PGM_SYNC_CR3);
409	}
410	pgmUnlock(pVM);
411
412	#ifdef VBOX_WITH_STATISTICS
413	char szPath[256];
414	RTStrPrintf(szPath, sizeof(szPath), "/PGM/VirtHandler/Calls/%RGv-%RGv", pNew->Core.Key, pNew->Core.KeyLast);
415	rc = STAMR3Register(pVM, &pNew->Stat, STAMTYPE_PROFILE, STAMVISIBILITY_USED, szPath, STAMUNIT_TICKS_PER_CALL, pszDesc);
416	AssertRC(rc);
417	#endif
418	return VINF_SUCCESS;
419	}
420
421	pgmUnlock(pVM);
422	AssertFailed();
423	MMHyperFree(pVM, pNew);
424	return VERR_PGM_HANDLER_VIRTUAL_CONFLICT;
425	}
426
427
428	/**
429	* Modify the page invalidation callback handler for a registered virtual range.
430	* (add more when needed)
431	*
432	* @returns VBox status code.
433	* @param pVM Pointer to the VM.
434	* @param GCPtr Start address.
435	* @param pfnInvalidateR3 The R3 invalidate callback (can be 0)
436	* @remarks Doesn't work with the hypervisor access handler type.
437	*/
438	VMMDECL(int) PGMHandlerVirtualChangeInvalidateCallback(PVM pVM, RTGCPTR GCPtr, PFNPGMR3VIRTINVALIDATE pfnInvalidateR3)
439	{
440	pgmLock(pVM);
441	PPGMVIRTHANDLER pCur = (PPGMVIRTHANDLER)RTAvlroGCPtrGet(&pVM->pgm.s.pTreesR3->VirtHandlers, GCPtr);
442	if (pCur)
443	{
444	pCur->pfnInvalidateR3 = pfnInvalidateR3;
445	pgmUnlock(pVM);
446	return VINF_SUCCESS;
447	}
448	pgmUnlock(pVM);
449	AssertMsgFailed(("Range %#x not found!\n", GCPtr));
450	return VERR_INVALID_PARAMETER;
451	}
452
453	/**
454	* Deregister an access handler for a virtual range.
455	*
456	* @returns VBox status code.
457	* @param pVM Pointer to the VM.
458	* @param GCPtr Start address.
459	* @thread EMT
460	*/
461	VMMDECL(int) PGMHandlerVirtualDeregister(PVM pVM, RTGCPTR GCPtr)
462	{
463	pgmLock(pVM);
464
465	/*
466	* Find the handler.
467	* We naturally assume GCPtr is a unique specification.
468	*/
469	PPGMVIRTHANDLER pCur = (PPGMVIRTHANDLER)RTAvlroGCPtrRemove(&pVM->pgm.s.CTX_SUFF(pTrees)->VirtHandlers, GCPtr);
470	if (RT_LIKELY(pCur))
471	{
472	Log(("PGMHandlerVirtualDeregister: Removing Virtual (%d) Range %RGv-%RGv %s\n", pCur->enmType,
473	pCur->Core.Key, pCur->Core.KeyLast, pCur->pszDesc));
474	Assert(pCur->enmType != PGMVIRTHANDLERTYPE_HYPERVISOR);
475
476	/*
477	* Reset the flags and remove phys2virt nodes.
478	*/
479	for (uint32_t iPage = 0; iPage < pCur->cPages; iPage++)
480	if (pCur->aPhysToVirt[iPage].offNextAlias & PGMPHYS2VIRTHANDLER_IN_TREE)
481	pgmHandlerVirtualClearPage(pVM, pCur, iPage);
482
483	/*
484	* Schedule CR3 sync.
485	*/
486	PVMCPU pVCpu = VMMGetCpu(pVM);
487
488	pVCpu->pgm.s.fSyncFlags \|= PGM_SYNC_UPDATE_PAGE_BIT_VIRTUAL \| PGM_SYNC_CLEAR_PGM_POOL;
489	VMCPU_FF_SET(pVCpu, VMCPU_FF_PGM_SYNC_CR3);
490	}
491	else
492	{
493	/* must be a hypervisor one then. */
494	pCur = (PPGMVIRTHANDLER)RTAvlroGCPtrRemove(&pVM->pgm.s.CTX_SUFF(pTrees)->HyperVirtHandlers, GCPtr);
495	if (RT_UNLIKELY(!pCur))
496	{
497	pgmUnlock(pVM);
498	#ifndef DEBUG_sander
499	AssertMsgFailed(("Range %#x not found!\n", GCPtr));
500	#endif
501	return VERR_INVALID_PARAMETER;
502	}
503
504	Log(("PGMHandlerVirtualDeregister: Removing Hyper Virtual (%d) Range %RGv-%RGv %s\n", pCur->enmType,
505	pCur->Core.Key, pCur->Core.KeyLast, pCur->pszDesc));
506	Assert(pCur->enmType == PGMVIRTHANDLERTYPE_HYPERVISOR);
507	}
508
509	pgmUnlock(pVM);
510
511	STAM_DEREG(pVM, &pCur->Stat);
512	MMHyperFree(pVM, pCur);
513
514	return VINF_SUCCESS;
515	}
516
517
518	/**
519	* Arguments for pgmR3InfoHandlersPhysicalOne and pgmR3InfoHandlersVirtualOne.
520	*/
521	typedef struct PGMHANDLERINFOARG
522	{
523	/** The output helpers.*/
524	PCDBGFINFOHLP pHlp;
525	/** Set if statistics should be dumped. */
526	bool fStats;
527	} PGMHANDLERINFOARG, *PPGMHANDLERINFOARG;
528
529
530	/**
531	* Info callback for 'pgmhandlers'.
532	*
533	* @param pHlp The output helpers.
534	* @param pszArgs The arguments. phys or virt.
535	*/
536	DECLCALLBACK(void) pgmR3InfoHandlers(PVM pVM, PCDBGFINFOHLP pHlp, const char *pszArgs)
537	{
538	/*
539	* Test input.
540	*/
541	PGMHANDLERINFOARG Args = { pHlp, /* .fStats = */ true };
542	bool fPhysical = !pszArgs \|\| !*pszArgs;
543	bool fVirtual = fPhysical;
544	bool fHyper = fPhysical;
545	if (!fPhysical)
546	{
547	bool fAll = strstr(pszArgs, "all") != NULL;
548	fPhysical = fAll \|\| strstr(pszArgs, "phys") != NULL;
549	fVirtual = fAll \|\| strstr(pszArgs, "virt") != NULL;
550	fHyper = fAll \|\| strstr(pszArgs, "hyper")!= NULL;
551	Args.fStats = strstr(pszArgs, "nost") == NULL;
552	}
553
554	/*
555	* Dump the handlers.
556	*/
557	if (fPhysical)
558	{
559	pHlp->pfnPrintf(pHlp,
560	"Physical handlers: (PhysHandlers=%d (%#x))\n"
561	"%s %s %s %s HandlerGC UserGC Type Description\n",
562	pVM->pgm.s.pTreesR3->PhysHandlers, pVM->pgm.s.pTreesR3->PhysHandlers,
563	- (int)sizeof(RTGCPHYS) * 2, "From",
564	- (int)sizeof(RTGCPHYS) * 2 - 3, "- To (incl)",
565	- (int)sizeof(RTHCPTR) * 2 - 1, "HandlerHC",
566	- (int)sizeof(RTHCPTR) * 2 - 1, "UserHC");
567	RTAvlroGCPhysDoWithAll(&pVM->pgm.s.pTreesR3->PhysHandlers, true, pgmR3InfoHandlersPhysicalOne, &Args);
568	}
569
570	if (fVirtual)
571	{
572	pHlp->pfnPrintf(pHlp,
573	"Virtual handlers:\n"
574	"%s %s %s %s Type Description\n",
575	- (int)sizeof(RTGCPTR) * 2, "From",
576	- (int)sizeof(RTGCPTR) * 2 - 3, "- To (excl)",
577	- (int)sizeof(RTHCPTR) * 2 - 1, "HandlerHC",
578	- (int)sizeof(RTRCPTR) * 2 - 1, "HandlerGC");
579	RTAvlroGCPtrDoWithAll(&pVM->pgm.s.pTreesR3->VirtHandlers, true, pgmR3InfoHandlersVirtualOne, &Args);
580	}
581
582	if (fHyper)
583	{
584	pHlp->pfnPrintf(pHlp,
585	"Hypervisor Virtual handlers:\n"
586	"%s %s %s %s Type Description\n",
587	- (int)sizeof(RTGCPTR) * 2, "From",
588	- (int)sizeof(RTGCPTR) * 2 - 3, "- To (excl)",
589	- (int)sizeof(RTHCPTR) * 2 - 1, "HandlerHC",
590	- (int)sizeof(RTRCPTR) * 2 - 1, "HandlerGC");
591	RTAvlroGCPtrDoWithAll(&pVM->pgm.s.pTreesR3->HyperVirtHandlers, true, pgmR3InfoHandlersVirtualOne, &Args);
592	}
593	}
594
595
596	/**
597	* Displays one physical handler range.
598	*
599	* @returns 0
600	* @param pNode Pointer to a PGMPHYSHANDLER.
601	* @param pvUser Pointer to command helper functions.
602	*/
603	static DECLCALLBACK(int) pgmR3InfoHandlersPhysicalOne(PAVLROGCPHYSNODECORE pNode, void *pvUser)
604	{
605	PPGMPHYSHANDLER pCur = (PPGMPHYSHANDLER)pNode;
606	PPGMHANDLERINFOARG pArgs= (PPGMHANDLERINFOARG)pvUser;
607	PCDBGFINFOHLP pHlp = pArgs->pHlp;
608	const char *pszType;
609	switch (pCur->enmType)
610	{
611	case PGMPHYSHANDLERTYPE_MMIO: pszType = "MMIO "; break;
612	case PGMPHYSHANDLERTYPE_PHYSICAL_WRITE: pszType = "Write "; break;
613	case PGMPHYSHANDLERTYPE_PHYSICAL_ALL: pszType = "All "; break;
614	default: pszType = "????"; break;
615	}
616	pHlp->pfnPrintf(pHlp,
617	"%RGp - %RGp %RHv %RHv %RRv %RRv %s %s\n",
618	pCur->Core.Key, pCur->Core.KeyLast, pCur->pfnHandlerR3, pCur->pvUserR3, pCur->pfnHandlerRC, pCur->pvUserRC, pszType, pCur->pszDesc);
619	#ifdef VBOX_WITH_STATISTICS
620	if (pArgs->fStats)
621	pHlp->pfnPrintf(pHlp, " cPeriods: %9RU64 cTicks: %11RU64 Min: %11RU64 Avg: %11RU64 Max: %11RU64\n",
622	pCur->Stat.cPeriods, pCur->Stat.cTicks, pCur->Stat.cTicksMin,
623	pCur->Stat.cPeriods ? pCur->Stat.cTicks / pCur->Stat.cPeriods : 0, pCur->Stat.cTicksMax);
624	#endif
625	return 0;
626	}
627
628
629	/**
630	* Displays one virtual handler range.
631	*
632	* @returns 0
633	* @param pNode Pointer to a PGMVIRTHANDLER.
634	* @param pvUser Pointer to command helper functions.
635	*/
636	static DECLCALLBACK(int) pgmR3InfoHandlersVirtualOne(PAVLROGCPTRNODECORE pNode, void *pvUser)
637	{
638	PPGMVIRTHANDLER pCur = (PPGMVIRTHANDLER)pNode;
639	PPGMHANDLERINFOARG pArgs= (PPGMHANDLERINFOARG)pvUser;
640	PCDBGFINFOHLP pHlp = pArgs->pHlp;
641	const char *pszType;
642	switch (pCur->enmType)
643	{
644	case PGMVIRTHANDLERTYPE_WRITE: pszType = "Write "; break;
645	case PGMVIRTHANDLERTYPE_ALL: pszType = "All "; break;
646	case PGMVIRTHANDLERTYPE_HYPERVISOR: pszType = "WriteHyp "; break;
647	default: pszType = "????"; break;
648	}
649	pHlp->pfnPrintf(pHlp, "%RGv - %RGv %RHv %RRv %s %s\n",
650	pCur->Core.Key, pCur->Core.KeyLast, pCur->pfnHandlerR3, pCur->pfnHandlerRC, pszType, pCur->pszDesc);
651	#ifdef VBOX_WITH_STATISTICS
652	if (pArgs->fStats)
653	pHlp->pfnPrintf(pHlp, " cPeriods: %9RU64 cTicks: %11RU64 Min: %11RU64 Avg: %11RU64 Max: %11RU64\n",
654	pCur->Stat.cPeriods, pCur->Stat.cTicks, pCur->Stat.cTicksMin,
655	pCur->Stat.cPeriods ? pCur->Stat.cTicks / pCur->Stat.cPeriods : 0, pCur->Stat.cTicksMax);
656	#endif
657	return 0;
658	}
659

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source: vbox/trunk/src/VBox/VMM/VMMR3/PGMHandler.cpp@ 45865

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