PGMHandler.cpp@ 11347

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1	/* $Id: PGMHandler.cpp 9256 2008-05-30 14:20:11Z vboxsync $ */
2	/** @file
3	* PGM - Page Manager / Monitor, Access Handlers.
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.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	* 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_PGM
27	#include <VBox/dbgf.h>
28	#include <VBox/pgm.h>
29	#include <VBox/cpum.h>
30	#include <VBox/iom.h>
31	#include <VBox/sup.h>
32	#include <VBox/mm.h>
33	#include <VBox/em.h>
34	#include <VBox/stam.h>
35	#include <VBox/csam.h>
36	#include <VBox/rem.h>
37	#include <VBox/dbgf.h>
38	#include <VBox/rem.h>
39	#include <VBox/selm.h>
40	#include <VBox/ssm.h>
41	#include "PGMInternal.h"
42	#include <VBox/vm.h>
43	#include <VBox/dbg.h>
44
45	#include <VBox/log.h>
46	#include <iprt/assert.h>
47	#include <iprt/alloc.h>
48	#include <iprt/asm.h>
49	#include <iprt/thread.h>
50	#include <iprt/string.h>
51	#include <VBox/param.h>
52	#include <VBox/err.h>
53	#include <VBox/hwaccm.h>
54
55
56	/*******************************************************************************
57	* Internal Functions *
58	*******************************************************************************/
59	static DECLCALLBACK(int) pgmR3HandlerPhysicalOneClear(PAVLROGCPHYSNODECORE pNode, void *pvUser);
60	static DECLCALLBACK(int) pgmR3HandlerPhysicalOneSet(PAVLROGCPHYSNODECORE pNode, void *pvUser);
61	static DECLCALLBACK(int) pgmR3InfoHandlersPhysicalOne(PAVLROGCPHYSNODECORE pNode, void *pvUser);
62	static DECLCALLBACK(int) pgmR3InfoHandlersVirtualOne(PAVLROGCPTRNODECORE pNode, void *pvUser);
63
64
65
66	/**
67	* Register a access handler for a physical range.
68	*
69	* @returns VBox status code.
70	* @param pVM VM handle.
71	* @param enmType Handler type. Any of the PGMPHYSHANDLERTYPE_PHYSICAL* enums.
72	* @param GCPhys Start physical address.
73	* @param GCPhysLast Last physical address. (inclusive)
74	* @param pfnHandlerR3 The R3 handler.
75	* @param pvUserR3 User argument to the R3 handler.
76	* @param pszModR0 The R0 handler module. NULL means the default R0 module.
77	* @param pszHandlerR0 The R0 handler symbol name.
78	* @param pvUserR0 User argument to the R0 handler.
79	* @param pszModGC The GC handler module. NULL means the default GC module.
80	* @param pszHandlerGC The GC handler symbol name.
81	* @param pvUserGC User argument to the GC handler.
82	* This must be a GC pointer because it will be relocated!
83	* @param pszDesc Pointer to description string. This must not be freed.
84	*/
85	PGMR3DECL(int) PGMR3HandlerPhysicalRegister(PVM pVM, PGMPHYSHANDLERTYPE enmType, RTGCPHYS GCPhys, RTGCPHYS GCPhysLast,
86	PFNPGMR3PHYSHANDLER pfnHandlerR3, void *pvUserR3,
87	const char pszModR0, const char pszHandlerR0, RTR0PTR pvUserR0,
88	const char pszModGC, const char pszHandlerGC, RTGCPTR pvUserGC, const char *pszDesc)
89	{
90	LogFlow(("PGMR3HandlerPhysicalRegister: enmType=%d GCPhys=%VGv GCPhysLast=%VGv pfnHandlerR3=%VHv pvUserHC=%VHv pszModGC=%p:{%s} pszHandlerGC=%p:{%s} pvUser=%VGv pszDesc=%s\n",
91	enmType, GCPhys, GCPhysLast, pfnHandlerR3, pvUserR3, pszModGC, pszModGC, pszHandlerGC, pszHandlerGC, pvUserGC, pszDesc));
92
93	/*
94	* Validate input.
95	*/
96	if (!pszModGC)
97	pszModGC = VMMGC_MAIN_MODULE_NAME;
98
99	if (!pszModR0)
100	pszModR0 = VMMR0_MAIN_MODULE_NAME;
101
102	/*
103	* Resolve the R0 handler.
104	*/
105	R0PTRTYPE(PFNPGMR0PHYSHANDLER) pfnHandlerR0 = NIL_RTR0PTR;
106	int rc = VINF_SUCCESS;
107	if (pszHandlerR0)
108	rc = PDMR3GetSymbolR0Lazy(pVM, pszModR0, pszHandlerR0, &pfnHandlerR0);
109	if (VBOX_SUCCESS(rc))
110	{
111	/*
112	* Resolve the GC handler.
113	*/
114	RTGCPTR32 pfnHandlerGC = NIL_RTGCPTR;
115	if (pszHandlerGC)
116	rc = PDMR3GetSymbolGCLazy(pVM, pszModGC, pszHandlerGC, &pfnHandlerGC);
117
118	if (VBOX_SUCCESS(rc))
119	return PGMHandlerPhysicalRegisterEx(pVM, enmType, GCPhys, GCPhysLast, pfnHandlerR3, pvUserR3,
120	pfnHandlerR0, pvUserR0, pfnHandlerGC, pvUserGC, pszDesc);
121
122	AssertMsgFailed(("Failed to resolve %s.%s, rc=%Vrc.\n", pszModGC, pszHandlerGC, rc));
123	}
124	else
125	AssertMsgFailed(("Failed to resolve %s.%s, rc=%Vrc.\n", pszModR0, pszHandlerR0, rc));
126
127	return rc;
128	}
129
130
131	/**
132	* Updates the physical page access handlers.
133	*
134	* @param pVM VM handle.
135	* @remark Only used when restoring a saved state.
136	*/
137	void pgmR3HandlerPhysicalUpdateAll(PVM pVM)
138	{
139	LogFlow(("pgmHandlerPhysicalUpdateAll:\n"));
140
141	/*
142	* Clear and set.
143	* (the right -> left on the setting pass is just bird speculating on cache hits)
144	*/
145	pgmLock(pVM);
146	RTAvlroGCPhysDoWithAll(&pVM->pgm.s.CTXSUFF(pTrees)->PhysHandlers, true, pgmR3HandlerPhysicalOneClear, pVM);
147	RTAvlroGCPhysDoWithAll(&pVM->pgm.s.CTXSUFF(pTrees)->PhysHandlers, false, pgmR3HandlerPhysicalOneSet, pVM);
148	pgmUnlock(pVM);
149	}
150
151
152	/**
153	* Clears all the page level flags for one physical handler range.
154	*
155	* @returns 0
156	* @param pNode Pointer to a PGMPHYSHANDLER.
157	* @param pvUser VM handle.
158	*/
159	static DECLCALLBACK(int) pgmR3HandlerPhysicalOneClear(PAVLROGCPHYSNODECORE pNode, void *pvUser)
160	{
161	PPGMPHYSHANDLER pCur = (PPGMPHYSHANDLER)pNode;
162	PPGMRAMRANGE pRamHint = NULL;
163	RTGCPHYS GCPhys = pCur->Core.Key;
164	RTUINT cPages = pCur->cPages;
165	PPGM pPGM = &((PVM)pvUser)->pgm.s;
166	for (;;)
167	{
168	PPGMPAGE pPage;
169	int rc = pgmPhysGetPageWithHintEx(pPGM, GCPhys, &pPage, &pRamHint);
170	if (RT_SUCCESS(rc))
171	PGM_PAGE_SET_HNDL_PHYS_STATE(pPage, PGM_PAGE_HNDL_PHYS_STATE_NONE);
172	else
173	AssertRC(rc);
174
175	if (--cPages == 0)
176	return 0;
177	GCPhys += PAGE_SIZE;
178	}
179	}
180
181
182	/**
183	* Sets all the page level flags for one physical handler range.
184	*
185	* @returns 0
186	* @param pNode Pointer to a PGMPHYSHANDLER.
187	* @param pvUser VM handle.
188	*/
189	static DECLCALLBACK(int) pgmR3HandlerPhysicalOneSet(PAVLROGCPHYSNODECORE pNode, void *pvUser)
190	{
191	PPGMPHYSHANDLER pCur = (PPGMPHYSHANDLER)pNode;
192	unsigned uState = pgmHandlerPhysicalCalcState(pCur);
193	PPGMRAMRANGE pRamHint = NULL;
194	RTGCPHYS GCPhys = pCur->Core.Key;
195	RTUINT cPages = pCur->cPages;
196	PPGM pPGM = &((PVM)pvUser)->pgm.s;
197	for (;;)
198	{
199	PPGMPAGE pPage;
200	int rc = pgmPhysGetPageWithHintEx(pPGM, GCPhys, &pPage, &pRamHint);
201	if (RT_SUCCESS(rc))
202	PGM_PAGE_SET_HNDL_PHYS_STATE(pPage, uState);
203	else
204	AssertRC(rc);
205
206	if (--cPages == 0)
207	return 0;
208	GCPhys += PAGE_SIZE;
209	}
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 pfnInvalidateHC The HC invalidate callback (can be 0)
223	* @param pfnHandlerHC The HC handler.
224	* @param pszHandlerGC The GC handler symbol name.
225	* @param pszModGC The GC handler module.
226	* @param pszDesc Pointer to description string. This must not be freed.
227	*/
228	/** @todo rename this function to PGMR3HandlerVirtualRegister */
229	PGMR3DECL(int) PGMR3HandlerVirtualRegister(PVM pVM, PGMVIRTHANDLERTYPE enmType, RTGCPTR GCPtr, RTGCPTR GCPtrLast,
230	PFNPGMHCVIRTINVALIDATE pfnInvalidateHC,
231	PFNPGMHCVIRTHANDLER pfnHandlerHC,
232	const char pszHandlerGC, const char pszModGC,
233	const char *pszDesc)
234	{
235	LogFlow(("PGMR3HandlerVirtualRegisterEx: enmType=%d GCPtr=%VGv GCPtrLast=%VGv pszHandlerGC=%p:{%s} pszModGC=%p:{%s} pszDesc=%s\n",
236	enmType, GCPtr, GCPtrLast, pszHandlerGC, pszHandlerGC, pszModGC, pszModGC, pszDesc));
237
238	/*
239	* Validate input.
240	*/
241	if (!pszModGC)
242	pszModGC = VMMGC_MAIN_MODULE_NAME;
243	if (!pszModGC \|\| !pszModGC \|\| !pszHandlerGC \|\| !pszHandlerGC)
244	{
245	AssertMsgFailed(("pfnHandlerGC or/and pszModGC is missing\n"));
246	return VERR_INVALID_PARAMETER;
247	}
248
249	/*
250	* Resolve the GC handler.
251	*/
252	RTGCPTR32 pfnHandlerGC;
253	int rc = PDMR3GetSymbolGCLazy(pVM, pszModGC, pszHandlerGC, &pfnHandlerGC);
254	if (VBOX_SUCCESS(rc))
255	return PGMHandlerVirtualRegisterEx(pVM, enmType, GCPtr, GCPtrLast, pfnInvalidateHC, pfnHandlerHC, pfnHandlerGC, pszDesc);
256
257	AssertMsgFailed(("Failed to resolve %s.%s, rc=%Vrc.\n", pszModGC, pszHandlerGC, rc));
258	return rc;
259	}
260
261
262	/**
263	* Register an access handler for a virtual range.
264	*
265	* @returns VBox status code.
266	* @param pVM VM handle.
267	* @param enmType Handler type. Any of the PGMVIRTHANDLERTYPE_* enums.
268	* @param GCPtr Start address.
269	* @param GCPtrLast Last address (inclusive).
270	* @param pfnInvalidateHC The HC invalidate callback (can be 0)
271	* @param pfnHandlerHC The HC handler.
272	* @param pfnHandlerGC The GC handler.
273	* @param pszDesc Pointer to description string. This must not be freed.
274	* @thread EMT
275	*/
276	/** @todo rename this to PGMR3HandlerVirtualRegisterEx. */
277	/** @todo create a template for virtual handlers (see async i/o), we're wasting space
278	* duplicating the function pointers now. (Or we will once we add the missing callbacks.) */
279	PGMDECL(int) PGMHandlerVirtualRegisterEx(PVM pVM, PGMVIRTHANDLERTYPE enmType, RTGCPTR GCPtr, RTGCPTR GCPtrLast,
280	PFNPGMHCVIRTINVALIDATE pfnInvalidateHC,
281	PFNPGMHCVIRTHANDLER pfnHandlerHC, RTGCPTR pfnHandlerGC,
282	R3PTRTYPE(const char *) pszDesc)
283	{
284	Log(("PGMR3HandlerVirtualRegister: enmType=%d GCPtr=%RGv GCPtrLast=%RGv pfnHandlerGC=%RGv pszDesc=%s\n", enmType, GCPtr, GCPtrLast, pfnHandlerGC, pszDesc));
285
286	/*
287	* Validate input.
288	*/
289	switch (enmType)
290	{
291	case PGMVIRTHANDLERTYPE_ALL:
292	case PGMVIRTHANDLERTYPE_WRITE:
293	if (!pfnHandlerHC)
294	{
295	AssertMsgFailed(("No HC handler specified!!\n"));
296	return VERR_INVALID_PARAMETER;
297	}
298	break;
299
300	case PGMVIRTHANDLERTYPE_HYPERVISOR:
301	if (pfnHandlerHC)
302	{
303	AssertMsgFailed(("HC handler specified for hypervisor range!?!\n"));
304	return VERR_INVALID_PARAMETER;
305	}
306	break;
307	default:
308	AssertMsgFailed(("Invalid enmType! enmType=%d\n", enmType));
309	return VERR_INVALID_PARAMETER;
310	}
311	if (GCPtrLast < GCPtr)
312	{
313	AssertMsgFailed(("GCPtrLast < GCPtr (%#x < %#x)\n", GCPtrLast, GCPtr));
314	return VERR_INVALID_PARAMETER;
315	}
316	if (!pfnHandlerGC)
317	{
318	AssertMsgFailed(("pfnHandlerGC is missing\n"));
319	return VERR_INVALID_PARAMETER;
320	}
321
322	/*
323	* Allocate and initialize a new entry.
324	*/
325	unsigned cPages = (RT_ALIGN((RTGCUINTPTR)GCPtrLast + 1, PAGE_SIZE) - ((RTGCUINTPTR)GCPtr & PAGE_BASE_GC_MASK)) >> PAGE_SHIFT;
326	PPGMVIRTHANDLER pNew;
327	int rc = MMHyperAlloc(pVM, RT_OFFSETOF(PGMVIRTHANDLER, aPhysToVirt[cPages]), 0, MM_TAG_PGM_HANDLERS, (void )&pNew); / @todo r=bird: incorrect member name PhysToVirt? */
328	if (VBOX_FAILURE(rc))
329	return rc;
330
331	pNew->Core.Key = GCPtr;
332	pNew->Core.KeyLast = GCPtrLast;
333
334	pNew->enmType = enmType;
335	pNew->pfnInvalidateHC = pfnInvalidateHC;
336	pNew->pfnHandlerGC = pfnHandlerGC;
337	pNew->pfnHandlerHC = pfnHandlerHC;
338	pNew->pszDesc = pszDesc;
339	pNew->GCPtr = GCPtr;
340	pNew->GCPtrLast = GCPtrLast;
341	pNew->cb = GCPtrLast - GCPtr + 1;
342	pNew->cPages = cPages;
343	/* Will be synced at next guest execution attempt. */
344	while (cPages-- > 0)
345	{
346	pNew->aPhysToVirt[cPages].Core.Key = NIL_RTGCPHYS;
347	pNew->aPhysToVirt[cPages].Core.KeyLast = NIL_RTGCPHYS;
348	pNew->aPhysToVirt[cPages].offVirtHandler = -RT_OFFSETOF(PGMVIRTHANDLER, aPhysToVirt[cPages]);
349	pNew->aPhysToVirt[cPages].offNextAlias = 0;
350	}
351
352	/*
353	* Try to insert it into the tree.
354	*
355	* The current implementation doesn't allow multiple handlers for
356	* the same range this makes everything much simpler and faster.
357	*/
358	AVLROGCPTRTREE *pRoot = enmType != PGMVIRTHANDLERTYPE_HYPERVISOR
359	? &pVM->pgm.s.CTXSUFF(pTrees)->VirtHandlers
360	: &pVM->pgm.s.CTXSUFF(pTrees)->HyperVirtHandlers;
361	pgmLock(pVM);
362	if (*pRoot != 0)
363	{
364	PPGMVIRTHANDLER pCur = (PPGMVIRTHANDLER)RTAvlroGCPtrGetBestFit(pRoot, pNew->Core.Key, true);
365	if ( !pCur
366	\|\| GCPtr > pCur->GCPtrLast
367	\|\| GCPtrLast < pCur->GCPtr)
368	pCur = (PPGMVIRTHANDLER)RTAvlroGCPtrGetBestFit(pRoot, pNew->Core.Key, false);
369	if ( pCur
370	&& GCPtr <= pCur->GCPtrLast
371	&& GCPtrLast >= pCur->GCPtr)
372	{
373	/*
374	* The LDT sometimes conflicts with the IDT and LDT ranges while being
375	* updated on linux. So, we don't assert simply log it.
376	*/
377	Log(("PGMR3HandlerVirtualRegister: Conflict with existing range %RGv-%RGv (%s), req. %RGv-%RGv (%s)\n",
378	pCur->GCPtr, pCur->GCPtrLast, pCur->pszDesc, GCPtr, GCPtrLast, pszDesc));
379	MMHyperFree(pVM, pNew);
380	pgmUnlock(pVM);
381	return VERR_PGM_HANDLER_VIRTUAL_CONFLICT;
382	}
383	}
384	if (RTAvlroGCPtrInsert(pRoot, &pNew->Core))
385	{
386	if (enmType != PGMVIRTHANDLERTYPE_HYPERVISOR)
387	{
388	pVM->pgm.s.fPhysCacheFlushPending = true;
389	pVM->pgm.s.fSyncFlags \|= PGM_SYNC_UPDATE_PAGE_BIT_VIRTUAL \| PGM_SYNC_CLEAR_PGM_POOL;
390	VM_FF_SET(pVM, VM_FF_PGM_SYNC_CR3);
391	}
392	pgmUnlock(pVM);
393
394	#ifdef VBOX_WITH_STATISTICS
395	char szPath[256];
396	RTStrPrintf(szPath, sizeof(szPath), "/PGM/VirtHandler/Calls/%VGv-%VGv", pNew->GCPtr, pNew->GCPtrLast);
397	rc = STAMR3Register(pVM, &pNew->Stat, STAMTYPE_PROFILE, STAMVISIBILITY_USED, szPath, STAMUNIT_TICKS_PER_CALL, pszDesc);
398	AssertRC(rc);
399	#endif
400	return VINF_SUCCESS;
401	}
402
403	pgmUnlock(pVM);
404	AssertFailed();
405	MMHyperFree(pVM, pNew);
406	return VERR_PGM_HANDLER_VIRTUAL_CONFLICT;
407	}
408
409
410	/**
411	* Modify the page invalidation callback handler for a registered virtual range.
412	* (add more when needed)
413	*
414	* @returns VBox status code.
415	* @param pVM VM handle.
416	* @param GCPtr Start address.
417	* @param pfnInvalidateHC The HC invalidate callback (can be 0)
418	* @remarks Doesn't work with the hypervisor access handler type.
419	*/
420	PGMDECL(int) PGMHandlerVirtualChangeInvalidateCallback(PVM pVM, RTGCPTR GCPtr, PFNPGMHCVIRTINVALIDATE pfnInvalidateHC)
421	{
422	pgmLock(pVM);
423	PPGMVIRTHANDLER pCur = (PPGMVIRTHANDLER)RTAvlroGCPtrGet(&pVM->pgm.s.pTreesHC->VirtHandlers, GCPtr);
424	if (pCur)
425	{
426	pCur->pfnInvalidateHC = pfnInvalidateHC;
427	pgmUnlock(pVM);
428	return VINF_SUCCESS;
429	}
430	pgmUnlock(pVM);
431	AssertMsgFailed(("Range %#x not found!\n", GCPtr));
432	return VERR_INVALID_PARAMETER;
433	}
434
435
436	/**
437	* Deregister an access handler for a virtual range.
438	*
439	* @returns VBox status code.
440	* @param pVM VM handle.
441	* @param GCPtr Start address.
442	* @thread EMT
443	*/
444	PGMDECL(int) PGMHandlerVirtualDeregister(PVM pVM, RTGCPTR GCPtr)
445	{
446	pgmLock(pVM);
447
448	/*
449	* Find the handler.
450	* We naturally assume GCPtr is a unique specification.
451	*/
452	PPGMVIRTHANDLER pCur = (PPGMVIRTHANDLER)RTAvlroGCPtrRemove(&pVM->pgm.s.CTXSUFF(pTrees)->VirtHandlers, GCPtr);
453	if (RT_LIKELY(pCur))
454	{
455	Log(("PGMHandlerVirtualDeregister: Removing Virtual (%d) Range %VGv-%VGv %s\n", pCur->enmType,
456	pCur->GCPtr, pCur->GCPtrLast, pCur->pszDesc));
457	Assert(pCur->enmType != PGMVIRTHANDLERTYPE_HYPERVISOR);
458
459	/*
460	* Reset the flags and remove phys2virt nodes.
461	*/
462	PPGM pPGM = &pVM->pgm.s;
463	for (unsigned iPage = 0; iPage < pCur->cPages; iPage++)
464	if (pCur->aPhysToVirt[iPage].offNextAlias & PGMPHYS2VIRTHANDLER_IN_TREE)
465	pgmHandlerVirtualClearPage(pPGM, pCur, iPage);
466
467	/*
468	* Schedule CR3 sync.
469	*/
470	pVM->pgm.s.fSyncFlags \|= PGM_SYNC_UPDATE_PAGE_BIT_VIRTUAL \| PGM_SYNC_CLEAR_PGM_POOL;
471	VM_FF_SET(pVM, VM_FF_PGM_SYNC_CR3);
472	}
473	else
474	{
475	/* must be a hypervisor one then. */
476	pCur = (PPGMVIRTHANDLER)RTAvlroGCPtrRemove(&pVM->pgm.s.CTXSUFF(pTrees)->HyperVirtHandlers, GCPtr);
477	if (RT_UNLIKELY(!pCur))
478	{
479	pgmUnlock(pVM);
480	AssertMsgFailed(("Range %#x not found!\n", GCPtr));
481	return VERR_INVALID_PARAMETER;
482	}
483
484	Log(("PGMHandlerVirtualDeregister: Removing Hyper Virtual (%d) Range %VGv-%VGv %s\n", pCur->enmType,
485	pCur->GCPtr, pCur->GCPtrLast, pCur->pszDesc));
486	Assert(pCur->enmType == PGMVIRTHANDLERTYPE_HYPERVISOR);
487	}
488
489	pgmUnlock(pVM);
490
491	STAM_DEREG(pVM, &pCur->Stat);
492	MMHyperFree(pVM, pCur);
493
494	return VINF_SUCCESS;
495	}
496
497
498	/**
499	* Arguments for pgmR3InfoHandlersPhysicalOne and pgmR3InfoHandlersVirtualOne.
500	*/
501	typedef struct PGMHANDLERINFOARG
502	{
503	/** The output helpers.*/
504	PCDBGFINFOHLP pHlp;
505	/** Set if statistics should be dumped. */
506	bool fStats;
507	} PGMHANDLERINFOARG, *PPGMHANDLERINFOARG;
508
509
510	/**
511	* Info callback for 'pgmhandlers'.
512	*
513	* @param pHlp The output helpers.
514	* @param pszArgs The arguments. phys or virt.
515	*/
516	DECLCALLBACK(void) pgmR3InfoHandlers(PVM pVM, PCDBGFINFOHLP pHlp, const char *pszArgs)
517	{
518	/*
519	* Test input.
520	*/
521	PGMHANDLERINFOARG Args = { pHlp, /* .fStats = */ true };
522	bool fPhysical = !pszArgs \|\| !*pszArgs;
523	bool fVirtual = fPhysical;
524	bool fHyper = fPhysical;
525	if (!fPhysical)
526	{
527	bool fAll = strstr(pszArgs, "all") != NULL;
528	fPhysical = fAll \|\| strstr(pszArgs, "phys") != NULL;
529	fVirtual = fAll \|\| strstr(pszArgs, "virt") != NULL;
530	fHyper = fAll \|\| strstr(pszArgs, "hyper")!= NULL;
531	Args.fStats = strstr(pszArgs, "nost") == NULL;
532	}
533
534	/*
535	* Dump the handlers.
536	*/
537	if (fPhysical)
538	{
539	pHlp->pfnPrintf(pHlp,
540	"Physical handlers: (PhysHandlers=%d (%#x))\n"
541	"From - To (incl) HandlerHC UserHC HandlerGC UserGC Type Description\n",
542	pVM->pgm.s.pTreesHC->PhysHandlers, pVM->pgm.s.pTreesHC->PhysHandlers);
543	RTAvlroGCPhysDoWithAll(&pVM->pgm.s.pTreesHC->PhysHandlers, true, pgmR3InfoHandlersPhysicalOne, &Args);
544	}
545
546	if (fVirtual)
547	{
548	pHlp->pfnPrintf(pHlp,
549	"Virtual handlers:\n"
550	"From - To (excl) HandlerHC HandlerGC Type Description\n");
551	RTAvlroGCPtrDoWithAll(&pVM->pgm.s.pTreesHC->VirtHandlers, true, pgmR3InfoHandlersVirtualOne, &Args);
552	}
553
554	if (fHyper)
555	{
556	pHlp->pfnPrintf(pHlp,
557	"Hypervisor Virtual handlers:\n"
558	"From - To (excl) HandlerHC HandlerGC Type Description\n");
559	RTAvlroGCPtrDoWithAll(&pVM->pgm.s.pTreesHC->HyperVirtHandlers, true, pgmR3InfoHandlersVirtualOne, &Args);
560	}
561	}
562
563
564	/**
565	* Displays one physical handler range.
566	*
567	* @returns 0
568	* @param pNode Pointer to a PGMPHYSHANDLER.
569	* @param pvUser Pointer to command helper functions.
570	*/
571	static DECLCALLBACK(int) pgmR3InfoHandlersPhysicalOne(PAVLROGCPHYSNODECORE pNode, void *pvUser)
572	{
573	PPGMPHYSHANDLER pCur = (PPGMPHYSHANDLER)pNode;
574	PPGMHANDLERINFOARG pArgs= (PPGMHANDLERINFOARG)pvUser;
575	PCDBGFINFOHLP pHlp = pArgs->pHlp;
576	const char *pszType;
577	switch (pCur->enmType)
578	{
579	case PGMPHYSHANDLERTYPE_MMIO: pszType = "MMIO "; break;
580	case PGMPHYSHANDLERTYPE_PHYSICAL_WRITE: pszType = "Write "; break;
581	case PGMPHYSHANDLERTYPE_PHYSICAL_ALL: pszType = "All "; break;
582	default: pszType = "????"; break;
583	}
584	pHlp->pfnPrintf(pHlp,
585	"%VGp - %VGp %VHv %VHv %VRv %VRv %s %s\n",
586	pCur->Core.Key, pCur->Core.KeyLast, pCur->pfnHandlerR3, pCur->pvUserR3, pCur->pfnHandlerGC, pCur->pvUserGC, pszType, pCur->pszDesc);
587	#ifdef VBOX_WITH_STATISTICS
588	if (pArgs->fStats)
589	pHlp->pfnPrintf(pHlp, " cPeriods: %9RU64 cTicks: %11RU64 Min: %11RU64 Avg: %11RU64 Max: %11RU64\n",
590	pCur->Stat.cPeriods, pCur->Stat.cTicks, pCur->Stat.cTicksMin,
591	pCur->Stat.cPeriods ? pCur->Stat.cTicks / pCur->Stat.cPeriods : 0, pCur->Stat.cTicksMax);
592	#endif
593	return 0;
594	}
595
596
597	/**
598	* Displays one virtual handler range.
599	*
600	* @returns 0
601	* @param pNode Pointer to a PGMVIRTHANDLER.
602	* @param pvUser Pointer to command helper functions.
603	*/
604	static DECLCALLBACK(int) pgmR3InfoHandlersVirtualOne(PAVLROGCPTRNODECORE pNode, void *pvUser)
605	{
606	PPGMVIRTHANDLER pCur = (PPGMVIRTHANDLER)pNode;
607	PPGMHANDLERINFOARG pArgs= (PPGMHANDLERINFOARG)pvUser;
608	PCDBGFINFOHLP pHlp = pArgs->pHlp;
609	const char *pszType;
610	switch (pCur->enmType)
611	{
612	case PGMVIRTHANDLERTYPE_WRITE: pszType = "Write "; break;
613	case PGMVIRTHANDLERTYPE_ALL: pszType = "All "; break;
614	case PGMVIRTHANDLERTYPE_HYPERVISOR: pszType = "WriteHyp "; break;
615	default: pszType = "????"; break;
616	}
617	pHlp->pfnPrintf(pHlp, "%VGv - %VGv %VHv %VRv %s %s\n",
618	pCur->GCPtr, pCur->GCPtrLast, pCur->pfnHandlerHC, pCur->pfnHandlerGC, 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

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source: vbox/trunk/src/VBox/VMM/PGMHandler.cpp@ 11347

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