PGMHandler.cpp@ 34079

Last change on this file since 34079 was 32540, checked in by vboxsync, 14 years ago
Disallow virtual handler registration for VT-x and AMD-V.
Property svn:eol-style set to `native` Property svn:keywords set to `Id`
File size: 23.3 KB

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1	/* $Id: PGMHandler.cpp 32540 2010-09-16 08:56:59Z vboxsync $ */
2	/** @file
3	* PGM - Page Manager / Monitor, Access Handlers.
4	*/
5
6	/*
7	* Copyright (C) 2006-2010 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/dbgf.h>
24	#include <VBox/pgm.h>
25	#include <VBox/cpum.h>
26	#include <VBox/iom.h>
27	#include <VBox/sup.h>
28	#include <VBox/mm.h>
29	#include <VBox/em.h>
30	#include <VBox/stam.h>
31	#include <VBox/csam.h>
32	#include <VBox/rem.h>
33	#include <VBox/dbgf.h>
34	#include <VBox/rem.h>
35	#include <VBox/selm.h>
36	#include <VBox/ssm.h>
37	#include "PGMInternal.h"
38	#include <VBox/vm.h>
39	#include "PGMInline.h"
40	#include <VBox/dbg.h>
41
42	#include <VBox/log.h>
43	#include <iprt/assert.h>
44	#include <iprt/alloc.h>
45	#include <iprt/asm.h>
46	#include <iprt/thread.h>
47	#include <iprt/string.h>
48	#include <VBox/param.h>
49	#include <VBox/err.h>
50	#include <VBox/hwaccm.h>
51
52
53	/*******************************************************************************
54	* Internal Functions *
55	*******************************************************************************/
56	static DECLCALLBACK(int) pgmR3HandlerPhysicalOneClear(PAVLROGCPHYSNODECORE pNode, void *pvUser);
57	static DECLCALLBACK(int) pgmR3HandlerPhysicalOneSet(PAVLROGCPHYSNODECORE pNode, void *pvUser);
58	static DECLCALLBACK(int) pgmR3InfoHandlersPhysicalOne(PAVLROGCPHYSNODECORE pNode, void *pvUser);
59	static DECLCALLBACK(int) pgmR3InfoHandlersVirtualOne(PAVLROGCPTRNODECORE pNode, void *pvUser);
60
61
62
63	/**
64	* Register a access handler for a physical range.
65	*
66	* @returns VBox status code.
67	* @param pVM VM handle.
68	* @param enmType Handler type. Any of the PGMPHYSHANDLERTYPE_PHYSICAL* enums.
69	* @param GCPhys Start physical address.
70	* @param GCPhysLast Last physical address. (inclusive)
71	* @param pfnHandlerR3 The R3 handler.
72	* @param pvUserR3 User argument to the R3 handler.
73	* @param pszModR0 The R0 handler module. NULL means the default R0 module.
74	* @param pszHandlerR0 The R0 handler symbol name.
75	* @param pvUserR0 User argument to the R0 handler.
76	* @param pszModRC The RC handler module. NULL means the default RC
77	* module.
78	* @param pszHandlerRC The RC handler symbol name.
79	* @param pvUserRC User argument to the RC handler. Values less than
80	* 0x10000 will not be relocated.
81	* @param pszDesc Pointer to description string. This must not be freed.
82	*/
83	VMMR3DECL(int) PGMR3HandlerPhysicalRegister(PVM pVM, PGMPHYSHANDLERTYPE enmType, RTGCPHYS GCPhys, RTGCPHYS GCPhysLast,
84	PFNPGMR3PHYSHANDLER pfnHandlerR3, void *pvUserR3,
85	const char pszModR0, const char pszHandlerR0, RTR0PTR pvUserR0,
86	const char pszModRC, const char pszHandlerRC, RTRCPTR pvUserRC, const char *pszDesc)
87	{
88	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",
89	enmType, GCPhys, GCPhysLast, pfnHandlerR3, pvUserR3, pszModR0, pszHandlerR0, pvUserR0, pszHandlerRC, pszModRC, pvUserRC, pszDesc));
90
91	/*
92	* Validate input.
93	*/
94	if (!pszModRC)
95	pszModRC = VMMGC_MAIN_MODULE_NAME;
96	if (!pszModR0)
97	pszModR0 = VMMR0_MAIN_MODULE_NAME;
98	if (!pszHandlerR0)
99	pszHandlerR0 = "pgmPhysHandlerRedirectToHC";
100	if (!pszHandlerRC)
101	pszHandlerRC = "pgmPhysHandlerRedirectToHC";
102	AssertPtrReturn(pfnHandlerR3, VERR_INVALID_POINTER);
103	AssertPtrReturn(pszHandlerR0, VERR_INVALID_POINTER);
104	AssertPtrReturn(pszHandlerRC, VERR_INVALID_POINTER);
105
106	/*
107	* Resolve the R0 handler.
108	*/
109	R0PTRTYPE(PFNPGMR0PHYSHANDLER) pfnHandlerR0 = NIL_RTR0PTR;
110	int rc = VINF_SUCCESS;
111	rc = PDMR3LdrGetSymbolR0Lazy(pVM, pszModR0, pszHandlerR0, &pfnHandlerR0);
112	if (RT_SUCCESS(rc))
113	{
114	/*
115	* Resolve the GC handler.
116	*/
117	RTRCPTR pfnHandlerRC = NIL_RTRCPTR;
118	rc = PDMR3LdrGetSymbolRCLazy(pVM, pszModRC, pszHandlerRC, &pfnHandlerRC);
119	if (RT_SUCCESS(rc))
120	return PGMHandlerPhysicalRegisterEx(pVM, enmType, GCPhys, GCPhysLast, pfnHandlerR3, pvUserR3,
121	pfnHandlerR0, pvUserR0, pfnHandlerRC, pvUserRC, pszDesc);
122
123	AssertMsgFailed(("Failed to resolve %s.%s, rc=%Rrc.\n", pszModRC, pszHandlerRC, rc));
124	}
125	else
126	AssertMsgFailed(("Failed to resolve %s.%s, rc=%Rrc.\n", pszModR0, pszHandlerR0, rc));
127
128	return rc;
129	}
130
131
132	/**
133	* Updates the physical page access handlers.
134	*
135	* @param pVM VM handle.
136	* @remark Only used when restoring a saved state.
137	*/
138	void pgmR3HandlerPhysicalUpdateAll(PVM pVM)
139	{
140	LogFlow(("pgmHandlerPhysicalUpdateAll:\n"));
141
142	/*
143	* Clear and set.
144	* (the right -> left on the setting pass is just bird speculating on cache hits)
145	*/
146	pgmLock(pVM);
147	RTAvlroGCPhysDoWithAll(&pVM->pgm.s.CTX_SUFF(pTrees)->PhysHandlers, true, pgmR3HandlerPhysicalOneClear, pVM);
148	RTAvlroGCPhysDoWithAll(&pVM->pgm.s.CTX_SUFF(pTrees)->PhysHandlers, false, pgmR3HandlerPhysicalOneSet, pVM);
149	pgmUnlock(pVM);
150	}
151
152
153	/**
154	* Clears all the page level flags for one physical handler range.
155	*
156	* @returns 0
157	* @param pNode Pointer to a PGMPHYSHANDLER.
158	* @param pvUser VM handle.
159	*/
160	static DECLCALLBACK(int) pgmR3HandlerPhysicalOneClear(PAVLROGCPHYSNODECORE pNode, void *pvUser)
161	{
162	PPGMPHYSHANDLER pCur = (PPGMPHYSHANDLER)pNode;
163	PPGMRAMRANGE pRamHint = NULL;
164	RTGCPHYS GCPhys = pCur->Core.Key;
165	RTUINT cPages = pCur->cPages;
166	PPGM pPGM = &((PVM)pvUser)->pgm.s;
167	for (;;)
168	{
169	PPGMPAGE pPage;
170	int rc = pgmPhysGetPageWithHintEx(pPGM, GCPhys, &pPage, &pRamHint);
171	if (RT_SUCCESS(rc))
172	PGM_PAGE_SET_HNDL_PHYS_STATE(pPage, PGM_PAGE_HNDL_PHYS_STATE_NONE);
173	else
174	AssertRC(rc);
175
176	if (--cPages == 0)
177	return 0;
178	GCPhys += PAGE_SIZE;
179	}
180	}
181
182
183	/**
184	* Sets all the page level flags for one physical handler range.
185	*
186	* @returns 0
187	* @param pNode Pointer to a PGMPHYSHANDLER.
188	* @param pvUser VM handle.
189	*/
190	static DECLCALLBACK(int) pgmR3HandlerPhysicalOneSet(PAVLROGCPHYSNODECORE pNode, void *pvUser)
191	{
192	PPGMPHYSHANDLER pCur = (PPGMPHYSHANDLER)pNode;
193	unsigned uState = pgmHandlerPhysicalCalcState(pCur);
194	PPGMRAMRANGE pRamHint = NULL;
195	RTGCPHYS GCPhys = pCur->Core.Key;
196	RTUINT cPages = pCur->cPages;
197	PPGM pPGM = &((PVM)pvUser)->pgm.s;
198	for (;;)
199	{
200	PPGMPAGE pPage;
201	int rc = pgmPhysGetPageWithHintEx(pPGM, GCPhys, &pPage, &pRamHint);
202	if (RT_SUCCESS(rc))
203	PGM_PAGE_SET_HNDL_PHYS_STATE(pPage, uState);
204	else
205	AssertRC(rc);
206
207	if (--cPages == 0)
208	return 0;
209	GCPhys += PAGE_SIZE;
210	}
211	}
212
213
214	/**
215	* Register a access handler for a virtual range.
216	*
217	* @returns VBox status code.
218	* @param pVM VM handle.
219	* @param enmType Handler type. Any of the PGMVIRTHANDLERTYPE_* enums.
220	* @param GCPtr Start address.
221	* @param GCPtrLast Last address (inclusive).
222	* @param pfnInvalidateR3 The R3 invalidate callback (can be 0)
223	* @param pfnHandlerR3 The R3 handler.
224	* @param pszHandlerRC The RC handler symbol name.
225	* @param pszModRC The RC handler module.
226	* @param pszDesc Pointer to description string. This must not be freed.
227	*/
228	VMMR3DECL(int) PGMR3HandlerVirtualRegister(PVM pVM, PGMVIRTHANDLERTYPE enmType, RTGCPTR GCPtr, RTGCPTR GCPtrLast,
229	PFNPGMR3VIRTINVALIDATE pfnInvalidateR3,
230	PFNPGMR3VIRTHANDLER pfnHandlerR3,
231	const char pszHandlerRC, const char pszModRC,
232	const char *pszDesc)
233	{
234	LogFlow(("PGMR3HandlerVirtualRegisterEx: enmType=%d GCPtr=%RGv GCPtrLast=%RGv pszHandlerRC=%p:{%s} pszModRC=%p:{%s} pszDesc=%s\n",
235	enmType, GCPtr, GCPtrLast, pszHandlerRC, pszHandlerRC, pszModRC, pszModRC, pszDesc));
236
237	/* Not supported/relevant for VT-x and AMD-V. */
238	if (HWACCMIsEnabled(pVM))
239	return VERR_NOT_IMPLEMENTED;
240
241	/*
242	* Validate input.
243	*/
244	if (!pszModRC)
245	pszModRC = VMMGC_MAIN_MODULE_NAME;
246	if (!pszModRC \|\| !pszModRC \|\| !pszHandlerRC \|\| !pszHandlerRC)
247	{
248	AssertMsgFailed(("pfnHandlerGC or/and pszModRC is missing\n"));
249	return VERR_INVALID_PARAMETER;
250	}
251
252	/*
253	* Resolve the GC handler.
254	*/
255	RTRCPTR pfnHandlerRC;
256	int rc = PDMR3LdrGetSymbolRCLazy(pVM, pszModRC, pszHandlerRC, &pfnHandlerRC);
257	if (RT_SUCCESS(rc))
258	return PGMR3HandlerVirtualRegisterEx(pVM, enmType, GCPtr, GCPtrLast, pfnInvalidateR3, pfnHandlerR3, pfnHandlerRC, pszDesc);
259
260	AssertMsgFailed(("Failed to resolve %s.%s, rc=%Rrc.\n", pszModRC, pszHandlerRC, rc));
261	return rc;
262	}
263
264
265	/**
266	* Register an access handler for a virtual range.
267	*
268	* @returns VBox status code.
269	* @param pVM VM handle.
270	* @param enmType Handler type. Any of the PGMVIRTHANDLERTYPE_* enums.
271	* @param GCPtr Start address.
272	* @param GCPtrLast Last address (inclusive).
273	* @param pfnInvalidateR3 The R3 invalidate callback (can be 0)
274	* @param pfnHandlerR3 The R3 handler.
275	* @param pfnHandlerRC The RC handler.
276	* @param pszDesc Pointer to description string. This must not be freed.
277	* @thread EMT
278	*/
279	/** @todo create a template for virtual handlers (see async i/o), we're wasting space
280	* duplicating the function pointers now. (Or we will once we add the missing callbacks.) */
281	VMMDECL(int) PGMR3HandlerVirtualRegisterEx(PVM pVM, PGMVIRTHANDLERTYPE enmType, RTGCPTR GCPtr, RTGCPTR GCPtrLast,
282	R3PTRTYPE(PFNPGMR3VIRTINVALIDATE) pfnInvalidateR3,
283	R3PTRTYPE(PFNPGMR3VIRTHANDLER) pfnHandlerR3,
284	RCPTRTYPE(PFNPGMRCVIRTHANDLER) pfnHandlerRC,
285	R3PTRTYPE(const char *) pszDesc)
286	{
287	Log(("PGMR3HandlerVirtualRegister: enmType=%d GCPtr=%RGv GCPtrLast=%RGv pfnInvalidateR3=%RHv pfnHandlerR3=%RHv pfnHandlerRC=%RRv pszDesc=%s\n",
288	enmType, GCPtr, GCPtrLast, pfnInvalidateR3, pfnHandlerR3, pfnHandlerRC, pszDesc));
289
290	/* Not supported/relevant for VT-x and AMD-V. */
291	if (HWACCMIsEnabled(pVM))
292	return VERR_NOT_IMPLEMENTED;
293
294	/*
295	* Validate input.
296	*/
297	switch (enmType)
298	{
299	case PGMVIRTHANDLERTYPE_ALL:
300	AssertReleaseMsgReturn( (GCPtr & PAGE_OFFSET_MASK) == 0
301	&& (GCPtrLast & PAGE_OFFSET_MASK) == PAGE_OFFSET_MASK,
302	("PGMVIRTHANDLERTYPE_ALL: GCPtr=%RGv GCPtrLast=%RGv\n", GCPtr, GCPtrLast),
303	VERR_NOT_IMPLEMENTED);
304	break;
305	case PGMVIRTHANDLERTYPE_WRITE:
306	if (!pfnHandlerR3)
307	{
308	AssertMsgFailed(("No HC handler specified!!\n"));
309	return VERR_INVALID_PARAMETER;
310	}
311	break;
312
313	case PGMVIRTHANDLERTYPE_HYPERVISOR:
314	if (pfnHandlerR3)
315	{
316	AssertMsgFailed(("R3 handler specified for hypervisor range!?!\n"));
317	return VERR_INVALID_PARAMETER;
318	}
319	break;
320	default:
321	AssertMsgFailed(("Invalid enmType! enmType=%d\n", enmType));
322	return VERR_INVALID_PARAMETER;
323	}
324	if (GCPtrLast < GCPtr)
325	{
326	AssertMsgFailed(("GCPtrLast < GCPtr (%#x < %#x)\n", GCPtrLast, GCPtr));
327	return VERR_INVALID_PARAMETER;
328	}
329	if (!pfnHandlerRC)
330	{
331	AssertMsgFailed(("pfnHandlerRC is missing\n"));
332	return VERR_INVALID_PARAMETER;
333	}
334
335	/*
336	* Allocate and initialize a new entry.
337	*/
338	unsigned cPages = (RT_ALIGN(GCPtrLast + 1, PAGE_SIZE) - (GCPtr & PAGE_BASE_GC_MASK)) >> PAGE_SHIFT;
339	PPGMVIRTHANDLER pNew;
340	int rc = MMHyperAlloc(pVM, RT_OFFSETOF(PGMVIRTHANDLER, aPhysToVirt[cPages]), 0, MM_TAG_PGM_HANDLERS, (void )&pNew); / @todo r=bird: incorrect member name PhysToVirt? */
341	if (RT_FAILURE(rc))
342	return rc;
343
344	pNew->Core.Key = GCPtr;
345	pNew->Core.KeyLast = GCPtrLast;
346
347	pNew->enmType = enmType;
348	pNew->pfnInvalidateR3 = pfnInvalidateR3;
349	pNew->pfnHandlerRC = pfnHandlerRC;
350	pNew->pfnHandlerR3 = pfnHandlerR3;
351	pNew->pszDesc = pszDesc;
352	pNew->cb = GCPtrLast - GCPtr + 1;
353	pNew->cPages = cPages;
354	/* Will be synced at next guest execution attempt. */
355	while (cPages-- > 0)
356	{
357	pNew->aPhysToVirt[cPages].Core.Key = NIL_RTGCPHYS;
358	pNew->aPhysToVirt[cPages].Core.KeyLast = NIL_RTGCPHYS;
359	pNew->aPhysToVirt[cPages].offVirtHandler = -RT_OFFSETOF(PGMVIRTHANDLER, aPhysToVirt[cPages]);
360	pNew->aPhysToVirt[cPages].offNextAlias = 0;
361	}
362
363	/*
364	* Try to insert it into the tree.
365	*
366	* The current implementation doesn't allow multiple handlers for
367	* the same range this makes everything much simpler and faster.
368	*/
369	AVLROGCPTRTREE *pRoot = enmType != PGMVIRTHANDLERTYPE_HYPERVISOR
370	? &pVM->pgm.s.CTX_SUFF(pTrees)->VirtHandlers
371	: &pVM->pgm.s.CTX_SUFF(pTrees)->HyperVirtHandlers;
372	pgmLock(pVM);
373	if (*pRoot != 0)
374	{
375	PPGMVIRTHANDLER pCur = (PPGMVIRTHANDLER)RTAvlroGCPtrGetBestFit(pRoot, pNew->Core.Key, true);
376	if ( !pCur
377	\|\| GCPtr > pCur->Core.KeyLast
378	\|\| GCPtrLast < pCur->Core.Key)
379	pCur = (PPGMVIRTHANDLER)RTAvlroGCPtrGetBestFit(pRoot, pNew->Core.Key, false);
380	if ( pCur
381	&& GCPtr <= pCur->Core.KeyLast
382	&& GCPtrLast >= pCur->Core.Key)
383	{
384	/*
385	* The LDT sometimes conflicts with the IDT and LDT ranges while being
386	* updated on linux. So, we don't assert simply log it.
387	*/
388	Log(("PGMR3HandlerVirtualRegister: Conflict with existing range %RGv-%RGv (%s), req. %RGv-%RGv (%s)\n",
389	pCur->Core.Key, pCur->Core.KeyLast, pCur->pszDesc, GCPtr, GCPtrLast, pszDesc));
390	MMHyperFree(pVM, pNew);
391	pgmUnlock(pVM);
392	return VERR_PGM_HANDLER_VIRTUAL_CONFLICT;
393	}
394	}
395	if (RTAvlroGCPtrInsert(pRoot, &pNew->Core))
396	{
397	if (enmType != PGMVIRTHANDLERTYPE_HYPERVISOR)
398	{
399	PVMCPU pVCpu = VMMGetCpu(pVM);
400
401	pVCpu->pgm.s.fSyncFlags \|= PGM_SYNC_UPDATE_PAGE_BIT_VIRTUAL \| PGM_SYNC_CLEAR_PGM_POOL;
402	VMCPU_FF_SET(pVCpu, VMCPU_FF_PGM_SYNC_CR3);
403	}
404	pgmUnlock(pVM);
405
406	#ifdef VBOX_WITH_STATISTICS
407	char szPath[256];
408	RTStrPrintf(szPath, sizeof(szPath), "/PGM/VirtHandler/Calls/%RGv-%RGv", pNew->Core.Key, pNew->Core.KeyLast);
409	rc = STAMR3Register(pVM, &pNew->Stat, STAMTYPE_PROFILE, STAMVISIBILITY_USED, szPath, STAMUNIT_TICKS_PER_CALL, pszDesc);
410	AssertRC(rc);
411	#endif
412	return VINF_SUCCESS;
413	}
414
415	pgmUnlock(pVM);
416	AssertFailed();
417	MMHyperFree(pVM, pNew);
418	return VERR_PGM_HANDLER_VIRTUAL_CONFLICT;
419	}
420
421
422	/**
423	* Modify the page invalidation callback handler for a registered virtual range.
424	* (add more when needed)
425	*
426	* @returns VBox status code.
427	* @param pVM VM handle.
428	* @param GCPtr Start address.
429	* @param pfnInvalidateR3 The R3 invalidate callback (can be 0)
430	* @remarks Doesn't work with the hypervisor access handler type.
431	*/
432	VMMDECL(int) PGMHandlerVirtualChangeInvalidateCallback(PVM pVM, RTGCPTR GCPtr, PFNPGMR3VIRTINVALIDATE pfnInvalidateR3)
433	{
434	pgmLock(pVM);
435	PPGMVIRTHANDLER pCur = (PPGMVIRTHANDLER)RTAvlroGCPtrGet(&pVM->pgm.s.pTreesR3->VirtHandlers, GCPtr);
436	if (pCur)
437	{
438	pCur->pfnInvalidateR3 = pfnInvalidateR3;
439	pgmUnlock(pVM);
440	return VINF_SUCCESS;
441	}
442	pgmUnlock(pVM);
443	AssertMsgFailed(("Range %#x not found!\n", GCPtr));
444	return VERR_INVALID_PARAMETER;
445	}
446
447	/**
448	* Deregister an access handler for a virtual range.
449	*
450	* @returns VBox status code.
451	* @param pVM VM handle.
452	* @param GCPtr Start address.
453	* @thread EMT
454	*/
455	VMMDECL(int) PGMHandlerVirtualDeregister(PVM pVM, RTGCPTR GCPtr)
456	{
457	pgmLock(pVM);
458
459	/*
460	* Find the handler.
461	* We naturally assume GCPtr is a unique specification.
462	*/
463	PPGMVIRTHANDLER pCur = (PPGMVIRTHANDLER)RTAvlroGCPtrRemove(&pVM->pgm.s.CTX_SUFF(pTrees)->VirtHandlers, GCPtr);
464	if (RT_LIKELY(pCur))
465	{
466	Log(("PGMHandlerVirtualDeregister: Removing Virtual (%d) Range %RGv-%RGv %s\n", pCur->enmType,
467	pCur->Core.Key, pCur->Core.KeyLast, pCur->pszDesc));
468	Assert(pCur->enmType != PGMVIRTHANDLERTYPE_HYPERVISOR);
469
470	/*
471	* Reset the flags and remove phys2virt nodes.
472	*/
473	PPGM pPGM = &pVM->pgm.s;
474	for (unsigned iPage = 0; iPage < pCur->cPages; iPage++)
475	if (pCur->aPhysToVirt[iPage].offNextAlias & PGMPHYS2VIRTHANDLER_IN_TREE)
476	pgmHandlerVirtualClearPage(pPGM, pCur, iPage);
477
478	/*
479	* Schedule CR3 sync.
480	*/
481	PVMCPU pVCpu = VMMGetCpu(pVM);
482
483	pVCpu->pgm.s.fSyncFlags \|= PGM_SYNC_UPDATE_PAGE_BIT_VIRTUAL \| PGM_SYNC_CLEAR_PGM_POOL;
484	VMCPU_FF_SET(pVCpu, VMCPU_FF_PGM_SYNC_CR3);
485	}
486	else
487	{
488	/* must be a hypervisor one then. */
489	pCur = (PPGMVIRTHANDLER)RTAvlroGCPtrRemove(&pVM->pgm.s.CTX_SUFF(pTrees)->HyperVirtHandlers, GCPtr);
490	if (RT_UNLIKELY(!pCur))
491	{
492	pgmUnlock(pVM);
493	AssertMsgFailed(("Range %#x not found!\n", GCPtr));
494	return VERR_INVALID_PARAMETER;
495	}
496
497	Log(("PGMHandlerVirtualDeregister: Removing Hyper Virtual (%d) Range %RGv-%RGv %s\n", pCur->enmType,
498	pCur->Core.Key, pCur->Core.KeyLast, pCur->pszDesc));
499	Assert(pCur->enmType == PGMVIRTHANDLERTYPE_HYPERVISOR);
500	}
501
502	pgmUnlock(pVM);
503
504	STAM_DEREG(pVM, &pCur->Stat);
505	MMHyperFree(pVM, pCur);
506
507	return VINF_SUCCESS;
508	}
509
510
511	/**
512	* Arguments for pgmR3InfoHandlersPhysicalOne and pgmR3InfoHandlersVirtualOne.
513	*/
514	typedef struct PGMHANDLERINFOARG
515	{
516	/** The output helpers.*/
517	PCDBGFINFOHLP pHlp;
518	/** Set if statistics should be dumped. */
519	bool fStats;
520	} PGMHANDLERINFOARG, *PPGMHANDLERINFOARG;
521
522
523	/**
524	* Info callback for 'pgmhandlers'.
525	*
526	* @param pHlp The output helpers.
527	* @param pszArgs The arguments. phys or virt.
528	*/
529	DECLCALLBACK(void) pgmR3InfoHandlers(PVM pVM, PCDBGFINFOHLP pHlp, const char *pszArgs)
530	{
531	/*
532	* Test input.
533	*/
534	PGMHANDLERINFOARG Args = { pHlp, /* .fStats = */ true };
535	bool fPhysical = !pszArgs \|\| !*pszArgs;
536	bool fVirtual = fPhysical;
537	bool fHyper = fPhysical;
538	if (!fPhysical)
539	{
540	bool fAll = strstr(pszArgs, "all") != NULL;
541	fPhysical = fAll \|\| strstr(pszArgs, "phys") != NULL;
542	fVirtual = fAll \|\| strstr(pszArgs, "virt") != NULL;
543	fHyper = fAll \|\| strstr(pszArgs, "hyper")!= NULL;
544	Args.fStats = strstr(pszArgs, "nost") == NULL;
545	}
546
547	/*
548	* Dump the handlers.
549	*/
550	if (fPhysical)
551	{
552	pHlp->pfnPrintf(pHlp,
553	"Physical handlers: (PhysHandlers=%d (%#x))\n"
554	"From - To (incl) HandlerHC UserHC HandlerGC UserGC Type Description\n",
555	pVM->pgm.s.pTreesR3->PhysHandlers, pVM->pgm.s.pTreesR3->PhysHandlers);
556	RTAvlroGCPhysDoWithAll(&pVM->pgm.s.pTreesR3->PhysHandlers, true, pgmR3InfoHandlersPhysicalOne, &Args);
557	}
558
559	if (fVirtual)
560	{
561	pHlp->pfnPrintf(pHlp,
562	"Virtual handlers:\n"
563	"From - To (excl) HandlerHC HandlerGC Type Description\n");
564	RTAvlroGCPtrDoWithAll(&pVM->pgm.s.pTreesR3->VirtHandlers, true, pgmR3InfoHandlersVirtualOne, &Args);
565	}
566
567	if (fHyper)
568	{
569	pHlp->pfnPrintf(pHlp,
570	"Hypervisor Virtual handlers:\n"
571	"From - To (excl) HandlerHC HandlerGC Type Description\n");
572	RTAvlroGCPtrDoWithAll(&pVM->pgm.s.pTreesR3->HyperVirtHandlers, true, pgmR3InfoHandlersVirtualOne, &Args);
573	}
574	}
575
576
577	/**
578	* Displays one physical handler range.
579	*
580	* @returns 0
581	* @param pNode Pointer to a PGMPHYSHANDLER.
582	* @param pvUser Pointer to command helper functions.
583	*/
584	static DECLCALLBACK(int) pgmR3InfoHandlersPhysicalOne(PAVLROGCPHYSNODECORE pNode, void *pvUser)
585	{
586	PPGMPHYSHANDLER pCur = (PPGMPHYSHANDLER)pNode;
587	PPGMHANDLERINFOARG pArgs= (PPGMHANDLERINFOARG)pvUser;
588	PCDBGFINFOHLP pHlp = pArgs->pHlp;
589	const char *pszType;
590	switch (pCur->enmType)
591	{
592	case PGMPHYSHANDLERTYPE_MMIO: pszType = "MMIO "; break;
593	case PGMPHYSHANDLERTYPE_PHYSICAL_WRITE: pszType = "Write "; break;
594	case PGMPHYSHANDLERTYPE_PHYSICAL_ALL: pszType = "All "; break;
595	default: pszType = "????"; break;
596	}
597	pHlp->pfnPrintf(pHlp,
598	"%RGp - %RGp %RHv %RHv %RRv %RRv %s %s\n",
599	pCur->Core.Key, pCur->Core.KeyLast, pCur->pfnHandlerR3, pCur->pvUserR3, pCur->pfnHandlerRC, pCur->pvUserRC, pszType, pCur->pszDesc);
600	#ifdef VBOX_WITH_STATISTICS
601	if (pArgs->fStats)
602	pHlp->pfnPrintf(pHlp, " cPeriods: %9RU64 cTicks: %11RU64 Min: %11RU64 Avg: %11RU64 Max: %11RU64\n",
603	pCur->Stat.cPeriods, pCur->Stat.cTicks, pCur->Stat.cTicksMin,
604	pCur->Stat.cPeriods ? pCur->Stat.cTicks / pCur->Stat.cPeriods : 0, pCur->Stat.cTicksMax);
605	#endif
606	return 0;
607	}
608
609
610	/**
611	* Displays one virtual handler range.
612	*
613	* @returns 0
614	* @param pNode Pointer to a PGMVIRTHANDLER.
615	* @param pvUser Pointer to command helper functions.
616	*/
617	static DECLCALLBACK(int) pgmR3InfoHandlersVirtualOne(PAVLROGCPTRNODECORE pNode, void *pvUser)
618	{
619	PPGMVIRTHANDLER pCur = (PPGMVIRTHANDLER)pNode;
620	PPGMHANDLERINFOARG pArgs= (PPGMHANDLERINFOARG)pvUser;
621	PCDBGFINFOHLP pHlp = pArgs->pHlp;
622	const char *pszType;
623	switch (pCur->enmType)
624	{
625	case PGMVIRTHANDLERTYPE_WRITE: pszType = "Write "; break;
626	case PGMVIRTHANDLERTYPE_ALL: pszType = "All "; break;
627	case PGMVIRTHANDLERTYPE_HYPERVISOR: pszType = "WriteHyp "; break;
628	default: pszType = "????"; break;
629	}
630	pHlp->pfnPrintf(pHlp, "%RGv - %RGv %RHv %RRv %s %s\n",
631	pCur->Core.Key, pCur->Core.KeyLast, pCur->pfnHandlerR3, pCur->pfnHandlerRC, pszType, pCur->pszDesc);
632	#ifdef VBOX_WITH_STATISTICS
633	if (pArgs->fStats)
634	pHlp->pfnPrintf(pHlp, " cPeriods: %9RU64 cTicks: %11RU64 Min: %11RU64 Avg: %11RU64 Max: %11RU64\n",
635	pCur->Stat.cPeriods, pCur->Stat.cTicks, pCur->Stat.cTicksMin,
636	pCur->Stat.cPeriods ? pCur->Stat.cTicks / pCur->Stat.cPeriods : 0, pCur->Stat.cTicksMax);
637	#endif
638	return 0;
639	}
640

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source: vbox/trunk/src/VBox/VMM/PGMHandler.cpp@ 34079

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