PGMHandler.cpp@ 20062

Last change on this file since 20062 was 19141, checked in by vboxsync, 16 years ago
Action flags breakup. Fixed PGM saved state loading of 2.2.2 images. Reduced hacks in PATM state loading (fixups).
Property svn:eol-style set to `native` Property svn:keywords set to `Id`
File size: 23.4 KB

Line
1	/* $Id: PGMHandler.cpp 19141 2009-04-23 13:52:18Z 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 pszModRC The RC handler module. NULL means the default RC
80	* module.
81	* @param pszHandlerRC The RC handler symbol name.
82	* @param pvUserRC User argument to the RC handler. Values less than
83	* 0x10000 will not be relocated.
84	* @param pszDesc Pointer to description string. This must not be freed.
85	*/
86	VMMR3DECL(int) PGMR3HandlerPhysicalRegister(PVM pVM, PGMPHYSHANDLERTYPE enmType, RTGCPHYS GCPhys, RTGCPHYS GCPhysLast,
87	PFNPGMR3PHYSHANDLER pfnHandlerR3, void *pvUserR3,
88	const char pszModR0, const char pszHandlerR0, RTR0PTR pvUserR0,
89	const char pszModRC, const char pszHandlerRC, RTRCPTR pvUserRC, const char *pszDesc)
90	{
91	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",
92	enmType, GCPhys, GCPhysLast, pfnHandlerR3, pvUserR3, pszModR0, pszHandlerR0, pvUserR0, pszHandlerRC, pszModRC, pvUserRC, pszDesc));
93
94	/*
95	* Validate input.
96	*/
97	if (!pszModRC)
98	pszModRC = VMMGC_MAIN_MODULE_NAME;
99	if (!pszModR0)
100	pszModR0 = VMMR0_MAIN_MODULE_NAME;
101	AssertPtrReturn(pfnHandlerR3, VERR_INVALID_POINTER);
102	AssertPtrReturn(pszHandlerR0, VERR_INVALID_POINTER);
103	AssertPtrReturn(pszHandlerRC, VERR_INVALID_POINTER);
104
105	/*
106	* Resolve the R0 handler.
107	*/
108	R0PTRTYPE(PFNPGMR0PHYSHANDLER) pfnHandlerR0 = NIL_RTR0PTR;
109	int rc = VINF_SUCCESS;
110	rc = PDMR3LdrGetSymbolR0Lazy(pVM, pszModR0, pszHandlerR0, &pfnHandlerR0);
111	if (RT_SUCCESS(rc))
112	{
113	/*
114	* Resolve the GC handler.
115	*/
116	RTRCPTR pfnHandlerRC = NIL_RTRCPTR;
117	rc = PDMR3LdrGetSymbolRCLazy(pVM, pszModRC, pszHandlerRC, &pfnHandlerRC);
118	if (RT_SUCCESS(rc))
119	return PGMHandlerPhysicalRegisterEx(pVM, enmType, GCPhys, GCPhysLast, pfnHandlerR3, pvUserR3,
120	pfnHandlerR0, pvUserR0, pfnHandlerRC, pvUserRC, pszDesc);
121
122	AssertMsgFailed(("Failed to resolve %s.%s, rc=%Rrc.\n", pszModRC, pszHandlerRC, rc));
123	}
124	else
125	AssertMsgFailed(("Failed to resolve %s.%s, rc=%Rrc.\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.CTX_SUFF(pTrees)->PhysHandlers, true, pgmR3HandlerPhysicalOneClear, pVM);
147	RTAvlroGCPhysDoWithAll(&pVM->pgm.s.CTX_SUFF(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	* Register a access handler for a virtual range.
215	*
216	* @returns VBox status code.
217	* @param pVM VM handle.
218	* @param enmType Handler type. Any of the PGMVIRTHANDLERTYPE_* enums.
219	* @param GCPtr Start address.
220	* @param GCPtrLast Last address (inclusive).
221	* @param pfnInvalidateR3 The R3 invalidate callback (can be 0)
222	* @param pfnHandlerR3 The R3 handler.
223	* @param pszHandlerRC The RC handler symbol name.
224	* @param pszModRC The RC handler module.
225	* @param pszDesc Pointer to description string. This must not be freed.
226	*/
227	VMMR3DECL(int) PGMR3HandlerVirtualRegister(PVM pVM, PGMVIRTHANDLERTYPE enmType, RTGCPTR GCPtr, RTGCPTR GCPtrLast,
228	PFNPGMR3VIRTINVALIDATE pfnInvalidateR3,
229	PFNPGMR3VIRTHANDLER pfnHandlerR3,
230	const char pszHandlerRC, const char pszModRC,
231	const char *pszDesc)
232	{
233	LogFlow(("PGMR3HandlerVirtualRegisterEx: enmType=%d GCPtr=%RGv GCPtrLast=%RGv pszHandlerRC=%p:{%s} pszModRC=%p:{%s} pszDesc=%s\n",
234	enmType, GCPtr, GCPtrLast, pszHandlerRC, pszHandlerRC, pszModRC, pszModRC, pszDesc));
235
236	/*
237	* Validate input.
238	*/
239	if (!pszModRC)
240	pszModRC = VMMGC_MAIN_MODULE_NAME;
241	if (!pszModRC \|\| !pszModRC \|\| !pszHandlerRC \|\| !pszHandlerRC)
242	{
243	AssertMsgFailed(("pfnHandlerGC or/and pszModRC is missing\n"));
244	return VERR_INVALID_PARAMETER;
245	}
246
247	/*
248	* Resolve the GC handler.
249	*/
250	RTRCPTR pfnHandlerRC;
251	int rc = PDMR3LdrGetSymbolRCLazy(pVM, pszModRC, pszHandlerRC, &pfnHandlerRC);
252	if (RT_SUCCESS(rc))
253	return PGMR3HandlerVirtualRegisterEx(pVM, enmType, GCPtr, GCPtrLast, pfnInvalidateR3, pfnHandlerR3, pfnHandlerRC, pszDesc);
254
255	AssertMsgFailed(("Failed to resolve %s.%s, rc=%Rrc.\n", pszModRC, pszHandlerRC, rc));
256	return rc;
257	}
258
259
260	/**
261	* Register an access handler for a virtual range.
262	*
263	* @returns VBox status code.
264	* @param pVM VM handle.
265	* @param enmType Handler type. Any of the PGMVIRTHANDLERTYPE_* enums.
266	* @param GCPtr Start address.
267	* @param GCPtrLast Last address (inclusive).
268	* @param pfnInvalidateR3 The R3 invalidate callback (can be 0)
269	* @param pfnHandlerR3 The R3 handler.
270	* @param pfnHandlerRC The RC handler.
271	* @param pszDesc Pointer to description string. This must not be freed.
272	* @thread EMT
273	*/
274	/** @todo create a template for virtual handlers (see async i/o), we're wasting space
275	* duplicating the function pointers now. (Or we will once we add the missing callbacks.) */
276	VMMDECL(int) PGMR3HandlerVirtualRegisterEx(PVM pVM, PGMVIRTHANDLERTYPE enmType, RTGCPTR GCPtr, RTGCPTR GCPtrLast,
277	R3PTRTYPE(PFNPGMR3VIRTINVALIDATE) pfnInvalidateR3,
278	R3PTRTYPE(PFNPGMR3VIRTHANDLER) pfnHandlerR3,
279	RCPTRTYPE(PFNPGMRCVIRTHANDLER) pfnHandlerRC,
280	R3PTRTYPE(const char *) pszDesc)
281	{
282	Log(("PGMR3HandlerVirtualRegister: enmType=%d GCPtr=%RGv GCPtrLast=%RGv pfnInvalidateR3=%RHv pfnHandlerR3=%RHv pfnHandlerRC=%RRv pszDesc=%s\n",
283	enmType, GCPtr, GCPtrLast, pfnInvalidateR3, pfnHandlerR3, pfnHandlerRC, pszDesc));
284
285	/*
286	* Validate input.
287	*/
288	switch (enmType)
289	{
290	case PGMVIRTHANDLERTYPE_ALL:
291	AssertReleaseMsgReturn( (GCPtr & PAGE_OFFSET_MASK) == 0
292	&& (GCPtrLast & PAGE_OFFSET_MASK) == PAGE_OFFSET_MASK,
293	("PGMVIRTHANDLERTYPE_ALL: GCPtr=%RGv GCPtrLast=%RGv\n", GCPtr, GCPtrLast),
294	VERR_NOT_IMPLEMENTED);
295	break;
296	case PGMVIRTHANDLERTYPE_WRITE:
297	if (!pfnHandlerR3)
298	{
299	AssertMsgFailed(("No HC handler specified!!\n"));
300	return VERR_INVALID_PARAMETER;
301	}
302	break;
303
304	case PGMVIRTHANDLERTYPE_HYPERVISOR:
305	if (pfnHandlerR3)
306	{
307	AssertMsgFailed(("R3 handler specified for hypervisor range!?!\n"));
308	return VERR_INVALID_PARAMETER;
309	}
310	break;
311	default:
312	AssertMsgFailed(("Invalid enmType! enmType=%d\n", enmType));
313	return VERR_INVALID_PARAMETER;
314	}
315	if (GCPtrLast < GCPtr)
316	{
317	AssertMsgFailed(("GCPtrLast < GCPtr (%#x < %#x)\n", GCPtrLast, GCPtr));
318	return VERR_INVALID_PARAMETER;
319	}
320	if (!pfnHandlerRC)
321	{
322	AssertMsgFailed(("pfnHandlerRC is missing\n"));
323	return VERR_INVALID_PARAMETER;
324	}
325
326	/*
327	* Allocate and initialize a new entry.
328	*/
329	unsigned cPages = (RT_ALIGN(GCPtrLast + 1, PAGE_SIZE) - (GCPtr & PAGE_BASE_GC_MASK)) >> PAGE_SHIFT;
330	PPGMVIRTHANDLER pNew;
331	int rc = MMHyperAlloc(pVM, RT_OFFSETOF(PGMVIRTHANDLER, aPhysToVirt[cPages]), 0, MM_TAG_PGM_HANDLERS, (void )&pNew); / @todo r=bird: incorrect member name PhysToVirt? */
332	if (RT_FAILURE(rc))
333	return rc;
334
335	pNew->Core.Key = GCPtr;
336	pNew->Core.KeyLast = GCPtrLast;
337
338	pNew->enmType = enmType;
339	pNew->pfnInvalidateR3 = pfnInvalidateR3;
340	pNew->pfnHandlerRC = pfnHandlerRC;
341	pNew->pfnHandlerR3 = pfnHandlerR3;
342	pNew->pszDesc = pszDesc;
343	pNew->cb = GCPtrLast - GCPtr + 1;
344	pNew->cPages = cPages;
345	/* Will be synced at next guest execution attempt. */
346	while (cPages-- > 0)
347	{
348	pNew->aPhysToVirt[cPages].Core.Key = NIL_RTGCPHYS;
349	pNew->aPhysToVirt[cPages].Core.KeyLast = NIL_RTGCPHYS;
350	pNew->aPhysToVirt[cPages].offVirtHandler = -RT_OFFSETOF(PGMVIRTHANDLER, aPhysToVirt[cPages]);
351	pNew->aPhysToVirt[cPages].offNextAlias = 0;
352	}
353
354	/*
355	* Try to insert it into the tree.
356	*
357	* The current implementation doesn't allow multiple handlers for
358	* the same range this makes everything much simpler and faster.
359	*/
360	AVLROGCPTRTREE *pRoot = enmType != PGMVIRTHANDLERTYPE_HYPERVISOR
361	? &pVM->pgm.s.CTX_SUFF(pTrees)->VirtHandlers
362	: &pVM->pgm.s.CTX_SUFF(pTrees)->HyperVirtHandlers;
363	pgmLock(pVM);
364	if (*pRoot != 0)
365	{
366	PPGMVIRTHANDLER pCur = (PPGMVIRTHANDLER)RTAvlroGCPtrGetBestFit(pRoot, pNew->Core.Key, true);
367	if ( !pCur
368	\|\| GCPtr > pCur->Core.KeyLast
369	\|\| GCPtrLast < pCur->Core.Key)
370	pCur = (PPGMVIRTHANDLER)RTAvlroGCPtrGetBestFit(pRoot, pNew->Core.Key, false);
371	if ( pCur
372	&& GCPtr <= pCur->Core.KeyLast
373	&& GCPtrLast >= pCur->Core.Key)
374	{
375	/*
376	* The LDT sometimes conflicts with the IDT and LDT ranges while being
377	* updated on linux. So, we don't assert simply log it.
378	*/
379	Log(("PGMR3HandlerVirtualRegister: Conflict with existing range %RGv-%RGv (%s), req. %RGv-%RGv (%s)\n",
380	pCur->Core.Key, pCur->Core.KeyLast, pCur->pszDesc, GCPtr, GCPtrLast, pszDesc));
381	MMHyperFree(pVM, pNew);
382	pgmUnlock(pVM);
383	return VERR_PGM_HANDLER_VIRTUAL_CONFLICT;
384	}
385	}
386	if (RTAvlroGCPtrInsert(pRoot, &pNew->Core))
387	{
388	if (enmType != PGMVIRTHANDLERTYPE_HYPERVISOR)
389	{
390	pVM->pgm.s.fPhysCacheFlushPending = true;
391	for (unsigned i=0;i<pVM->cCPUs;i++)
392	{
393	PVMCPU pVCpu = &pVM->aCpus[i];
394
395	pVCpu->pgm.s.fSyncFlags \|= PGM_SYNC_UPDATE_PAGE_BIT_VIRTUAL;
396	VMCPU_FF_SET(pVCpu, VMCPU_FF_PGM_SYNC_CR3);
397	}
398	pVM->pgm.s.fGlobalSyncFlags \|= PGM_GLOBAL_SYNC_CLEAR_PGM_POOL;
399	}
400	pgmUnlock(pVM);
401
402	#ifdef VBOX_WITH_STATISTICS
403	char szPath[256];
404	RTStrPrintf(szPath, sizeof(szPath), "/PGM/VirtHandler/Calls/%RGv-%RGv", pNew->Core.Key, pNew->Core.KeyLast);
405	rc = STAMR3Register(pVM, &pNew->Stat, STAMTYPE_PROFILE, STAMVISIBILITY_USED, szPath, STAMUNIT_TICKS_PER_CALL, pszDesc);
406	AssertRC(rc);
407	#endif
408	return VINF_SUCCESS;
409	}
410
411	pgmUnlock(pVM);
412	AssertFailed();
413	MMHyperFree(pVM, pNew);
414	return VERR_PGM_HANDLER_VIRTUAL_CONFLICT;
415	}
416
417
418	/**
419	* Modify the page invalidation callback handler for a registered virtual range.
420	* (add more when needed)
421	*
422	* @returns VBox status code.
423	* @param pVM VM handle.
424	* @param GCPtr Start address.
425	* @param pfnInvalidateR3 The R3 invalidate callback (can be 0)
426	* @remarks Doesn't work with the hypervisor access handler type.
427	*/
428	VMMDECL(int) PGMHandlerVirtualChangeInvalidateCallback(PVM pVM, RTGCPTR GCPtr, PFNPGMR3VIRTINVALIDATE pfnInvalidateR3)
429	{
430	pgmLock(pVM);
431	PPGMVIRTHANDLER pCur = (PPGMVIRTHANDLER)RTAvlroGCPtrGet(&pVM->pgm.s.pTreesR3->VirtHandlers, GCPtr);
432	if (pCur)
433	{
434	pCur->pfnInvalidateR3 = pfnInvalidateR3;
435	pgmUnlock(pVM);
436	return VINF_SUCCESS;
437	}
438	pgmUnlock(pVM);
439	AssertMsgFailed(("Range %#x not found!\n", GCPtr));
440	return VERR_INVALID_PARAMETER;
441	}
442
443	/**
444	* Deregister an access handler for a virtual range.
445	*
446	* @returns VBox status code.
447	* @param pVM VM handle.
448	* @param GCPtr Start address.
449	* @thread EMT
450	*/
451	VMMDECL(int) PGMHandlerVirtualDeregister(PVM pVM, RTGCPTR GCPtr)
452	{
453	pgmLock(pVM);
454
455	/*
456	* Find the handler.
457	* We naturally assume GCPtr is a unique specification.
458	*/
459	PPGMVIRTHANDLER pCur = (PPGMVIRTHANDLER)RTAvlroGCPtrRemove(&pVM->pgm.s.CTX_SUFF(pTrees)->VirtHandlers, GCPtr);
460	if (RT_LIKELY(pCur))
461	{
462	Log(("PGMHandlerVirtualDeregister: Removing Virtual (%d) Range %RGv-%RGv %s\n", pCur->enmType,
463	pCur->Core.Key, pCur->Core.KeyLast, pCur->pszDesc));
464	Assert(pCur->enmType != PGMVIRTHANDLERTYPE_HYPERVISOR);
465
466	/*
467	* Reset the flags and remove phys2virt nodes.
468	*/
469	PPGM pPGM = &pVM->pgm.s;
470	for (unsigned iPage = 0; iPage < pCur->cPages; iPage++)
471	if (pCur->aPhysToVirt[iPage].offNextAlias & PGMPHYS2VIRTHANDLER_IN_TREE)
472	pgmHandlerVirtualClearPage(pPGM, pCur, iPage);
473
474	/*
475	* Schedule CR3 sync.
476	*/
477	for (unsigned i=0;i<pVM->cCPUs;i++)
478	{
479	PVMCPU pVCpu = &pVM->aCpus[i];
480
481	pVCpu->pgm.s.fSyncFlags \|= PGM_SYNC_UPDATE_PAGE_BIT_VIRTUAL;
482	VMCPU_FF_SET(pVCpu, VMCPU_FF_PGM_SYNC_CR3);
483	}
484	pVM->pgm.s.fGlobalSyncFlags \|= PGM_GLOBAL_SYNC_CLEAR_PGM_POOL;
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

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

source: vbox/trunk/src/VBox/VMM/PGMHandler.cpp@ 20062

Download in other formats: