PGMHandler.cpp@ 13333

Last change on this file since 13333 was 13236, checked in by vboxsync, 16 years ago
#1865: More polish.
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File size: 22.6 KB

Line
1	/* $Id: PGMHandler.cpp 13236 2008-10-13 21:25:50Z 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 pszModRC=%s pvUserR0=%RHv 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
100	if (!pszModR0)
101	pszModR0 = VMMR0_MAIN_MODULE_NAME;
102
103	/*
104	* Resolve the R0 handler.
105	*/
106	R0PTRTYPE(PFNPGMR0PHYSHANDLER) pfnHandlerR0 = NIL_RTR0PTR;
107	int rc = VINF_SUCCESS;
108	if (pszHandlerR0)
109	rc = PDMR3LdrGetSymbolR0Lazy(pVM, pszModR0, pszHandlerR0, &pfnHandlerR0);
110	if (VBOX_SUCCESS(rc))
111	{
112	/*
113	* Resolve the GC handler.
114	*/
115	RTRCPTR pfnHandlerRC = NIL_RTRCPTR;
116	if (pszHandlerRC)
117	rc = PDMR3LdrGetSymbolRCLazy(pVM, pszModRC, pszHandlerRC, &pfnHandlerRC);
118
119	if (VBOX_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=%VGv GCPtrLast=%VGv pszHandlerRC=%p:{%s} pszModRC=%p:{%s} pszDesc=%s\n",
235	enmType, GCPtr, GCPtrLast, pszHandlerRC, pszHandlerRC, pszModRC, pszModRC, pszDesc));
236
237	/*
238	* Validate input.
239	*/
240	if (!pszModRC)
241	pszModRC = VMMGC_MAIN_MODULE_NAME;
242	if (!pszModRC \|\| !pszModRC \|\| !pszHandlerRC \|\| !pszHandlerRC)
243	{
244	AssertMsgFailed(("pfnHandlerGC or/and pszModRC is missing\n"));
245	return VERR_INVALID_PARAMETER;
246	}
247
248	/*
249	* Resolve the GC handler.
250	*/
251	RTGCPTR32 pfnHandlerGC;
252	int rc = PDMR3LdrGetSymbolRCLazy(pVM, pszModRC, pszHandlerRC, &pfnHandlerGC);
253	if (VBOX_SUCCESS(rc))
254	return PGMR3HandlerVirtualRegisterEx(pVM, enmType, GCPtr, GCPtrLast, pfnInvalidateR3, pfnHandlerR3, pfnHandlerGC, pszDesc);
255
256	AssertMsgFailed(("Failed to resolve %s.%s, rc=%Vrc.\n", pszModRC, pszHandlerRC, rc));
257	return rc;
258	}
259
260
261	/**
262	* Register an access handler for a virtual range.
263	*
264	* @returns VBox status code.
265	* @param pVM VM handle.
266	* @param enmType Handler type. Any of the PGMVIRTHANDLERTYPE_* enums.
267	* @param GCPtr Start address.
268	* @param GCPtrLast Last address (inclusive).
269	* @param pfnInvalidateR3 The R3 invalidate callback (can be 0)
270	* @param pfnHandlerR3 The R3 handler.
271	* @param pfnHandlerRC The RC handler.
272	* @param pszDesc Pointer to description string. This must not be freed.
273	* @thread EMT
274	*/
275	/** @todo create a template for virtual handlers (see async i/o), we're wasting space
276	* duplicating the function pointers now. (Or we will once we add the missing callbacks.) */
277	VMMDECL(int) PGMR3HandlerVirtualRegisterEx(PVM pVM, PGMVIRTHANDLERTYPE enmType, RTGCPTR GCPtr, RTGCPTR GCPtrLast,
278	R3PTRTYPE(PFNPGMR3VIRTINVALIDATE) pfnInvalidateR3,
279	R3PTRTYPE(PFNPGMR3VIRTHANDLER) pfnHandlerR3,
280	RCPTRTYPE(PFNPGMRCVIRTHANDLER) pfnHandlerRC,
281	R3PTRTYPE(const char *) pszDesc)
282	{
283	Log(("PGMR3HandlerVirtualRegister: enmType=%d GCPtr=%RGv GCPtrLast=%RGv pfnInvalidateR3=%RHv pfnHandlerR3=%RHv pfnHandlerRC=%RGv pszDesc=%s\n",
284	enmType, GCPtr, GCPtrLast, pfnInvalidateR3, pfnHandlerR3, pfnHandlerRC, pszDesc));
285
286	/*
287	* Validate input.
288	*/
289	switch (enmType)
290	{
291	case PGMVIRTHANDLERTYPE_ALL:
292	case PGMVIRTHANDLERTYPE_WRITE:
293	if (!pfnHandlerR3)
294	{
295	AssertMsgFailed(("No HC handler specified!!\n"));
296	return VERR_INVALID_PARAMETER;
297	}
298	break;
299
300	case PGMVIRTHANDLERTYPE_HYPERVISOR:
301	if (pfnHandlerR3)
302	{
303	AssertMsgFailed(("R3 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 (!pfnHandlerRC)
317	{
318	AssertMsgFailed(("pfnHandlerRC 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->pfnInvalidateR3 = pfnInvalidateR3;
336	pNew->pfnHandlerRC = pfnHandlerRC;
337	pNew->pfnHandlerR3 = pfnHandlerR3;
338	pNew->pszDesc = pszDesc;
339	pNew->cb = GCPtrLast - GCPtr + 1;
340	pNew->cPages = cPages;
341	/* Will be synced at next guest execution attempt. */
342	while (cPages-- > 0)
343	{
344	pNew->aPhysToVirt[cPages].Core.Key = NIL_RTGCPHYS;
345	pNew->aPhysToVirt[cPages].Core.KeyLast = NIL_RTGCPHYS;
346	pNew->aPhysToVirt[cPages].offVirtHandler = -RT_OFFSETOF(PGMVIRTHANDLER, aPhysToVirt[cPages]);
347	pNew->aPhysToVirt[cPages].offNextAlias = 0;
348	}
349
350	/*
351	* Try to insert it into the tree.
352	*
353	* The current implementation doesn't allow multiple handlers for
354	* the same range this makes everything much simpler and faster.
355	*/
356	AVLROGCPTRTREE *pRoot = enmType != PGMVIRTHANDLERTYPE_HYPERVISOR
357	? &pVM->pgm.s.CTX_SUFF(pTrees)->VirtHandlers
358	: &pVM->pgm.s.CTX_SUFF(pTrees)->HyperVirtHandlers;
359	pgmLock(pVM);
360	if (*pRoot != 0)
361	{
362	PPGMVIRTHANDLER pCur = (PPGMVIRTHANDLER)RTAvlroGCPtrGetBestFit(pRoot, pNew->Core.Key, true);
363	if ( !pCur
364	\|\| GCPtr > pCur->Core.KeyLast
365	\|\| GCPtrLast < pCur->Core.Key)
366	pCur = (PPGMVIRTHANDLER)RTAvlroGCPtrGetBestFit(pRoot, pNew->Core.Key, false);
367	if ( pCur
368	&& GCPtr <= pCur->Core.KeyLast
369	&& GCPtrLast >= pCur->Core.Key)
370	{
371	/*
372	* The LDT sometimes conflicts with the IDT and LDT ranges while being
373	* updated on linux. So, we don't assert simply log it.
374	*/
375	Log(("PGMR3HandlerVirtualRegister: Conflict with existing range %RGv-%RGv (%s), req. %RGv-%RGv (%s)\n",
376	pCur->Core.Key, pCur->Core.KeyLast, pCur->pszDesc, GCPtr, GCPtrLast, pszDesc));
377	MMHyperFree(pVM, pNew);
378	pgmUnlock(pVM);
379	return VERR_PGM_HANDLER_VIRTUAL_CONFLICT;
380	}
381	}
382	if (RTAvlroGCPtrInsert(pRoot, &pNew->Core))
383	{
384	if (enmType != PGMVIRTHANDLERTYPE_HYPERVISOR)
385	{
386	pVM->pgm.s.fPhysCacheFlushPending = true;
387	pVM->pgm.s.fSyncFlags \|= PGM_SYNC_UPDATE_PAGE_BIT_VIRTUAL \| PGM_SYNC_CLEAR_PGM_POOL;
388	VM_FF_SET(pVM, VM_FF_PGM_SYNC_CR3);
389	}
390	pgmUnlock(pVM);
391
392	#ifdef VBOX_WITH_STATISTICS
393	char szPath[256];
394	RTStrPrintf(szPath, sizeof(szPath), "/PGM/VirtHandler/Calls/%VGv-%VGv", pNew->Core.Key, pNew->Core.KeyLast);
395	rc = STAMR3Register(pVM, &pNew->Stat, STAMTYPE_PROFILE, STAMVISIBILITY_USED, szPath, STAMUNIT_TICKS_PER_CALL, pszDesc);
396	AssertRC(rc);
397	#endif
398	return VINF_SUCCESS;
399	}
400
401	pgmUnlock(pVM);
402	AssertFailed();
403	MMHyperFree(pVM, pNew);
404	return VERR_PGM_HANDLER_VIRTUAL_CONFLICT;
405	}
406
407
408	/**
409	* Modify the page invalidation callback handler for a registered virtual range.
410	* (add more when needed)
411	*
412	* @returns VBox status code.
413	* @param pVM VM handle.
414	* @param GCPtr Start address.
415	* @param pfnInvalidateR3 The R3 invalidate callback (can be 0)
416	* @remarks Doesn't work with the hypervisor access handler type.
417	*/
418	VMMDECL(int) PGMHandlerVirtualChangeInvalidateCallback(PVM pVM, RTGCPTR GCPtr, PFNPGMR3VIRTINVALIDATE pfnInvalidateR3)
419	{
420	pgmLock(pVM);
421	PPGMVIRTHANDLER pCur = (PPGMVIRTHANDLER)RTAvlroGCPtrGet(&pVM->pgm.s.pTreesR3->VirtHandlers, GCPtr);
422	if (pCur)
423	{
424	pCur->pfnInvalidateR3 = pfnInvalidateR3;
425	pgmUnlock(pVM);
426	return VINF_SUCCESS;
427	}
428	pgmUnlock(pVM);
429	AssertMsgFailed(("Range %#x not found!\n", GCPtr));
430	return VERR_INVALID_PARAMETER;
431	}
432
433
434	/**
435	* Deregister an access handler for a virtual range.
436	*
437	* @returns VBox status code.
438	* @param pVM VM handle.
439	* @param GCPtr Start address.
440	* @thread EMT
441	*/
442	VMMDECL(int) PGMHandlerVirtualDeregister(PVM pVM, RTGCPTR GCPtr)
443	{
444	pgmLock(pVM);
445
446	/*
447	* Find the handler.
448	* We naturally assume GCPtr is a unique specification.
449	*/
450	PPGMVIRTHANDLER pCur = (PPGMVIRTHANDLER)RTAvlroGCPtrRemove(&pVM->pgm.s.CTX_SUFF(pTrees)->VirtHandlers, GCPtr);
451	if (RT_LIKELY(pCur))
452	{
453	Log(("PGMHandlerVirtualDeregister: Removing Virtual (%d) Range %RGv-%RGv %s\n", pCur->enmType,
454	pCur->Core.Key, pCur->Core.KeyLast, pCur->pszDesc));
455	Assert(pCur->enmType != PGMVIRTHANDLERTYPE_HYPERVISOR);
456
457	/*
458	* Reset the flags and remove phys2virt nodes.
459	*/
460	PPGM pPGM = &pVM->pgm.s;
461	for (unsigned iPage = 0; iPage < pCur->cPages; iPage++)
462	if (pCur->aPhysToVirt[iPage].offNextAlias & PGMPHYS2VIRTHANDLER_IN_TREE)
463	pgmHandlerVirtualClearPage(pPGM, pCur, iPage);
464
465	/*
466	* Schedule CR3 sync.
467	*/
468	pVM->pgm.s.fSyncFlags \|= PGM_SYNC_UPDATE_PAGE_BIT_VIRTUAL \| PGM_SYNC_CLEAR_PGM_POOL;
469	VM_FF_SET(pVM, VM_FF_PGM_SYNC_CR3);
470	}
471	else
472	{
473	/* must be a hypervisor one then. */
474	pCur = (PPGMVIRTHANDLER)RTAvlroGCPtrRemove(&pVM->pgm.s.CTX_SUFF(pTrees)->HyperVirtHandlers, GCPtr);
475	if (RT_UNLIKELY(!pCur))
476	{
477	pgmUnlock(pVM);
478	AssertMsgFailed(("Range %#x not found!\n", GCPtr));
479	return VERR_INVALID_PARAMETER;
480	}
481
482	Log(("PGMHandlerVirtualDeregister: Removing Hyper Virtual (%d) Range %RGv-%RGv %s\n", pCur->enmType,
483	pCur->Core.Key, pCur->Core.KeyLast, pCur->pszDesc));
484	Assert(pCur->enmType == PGMVIRTHANDLERTYPE_HYPERVISOR);
485	}
486
487	pgmUnlock(pVM);
488
489	STAM_DEREG(pVM, &pCur->Stat);
490	MMHyperFree(pVM, pCur);
491
492	return VINF_SUCCESS;
493	}
494
495
496	/**
497	* Arguments for pgmR3InfoHandlersPhysicalOne and pgmR3InfoHandlersVirtualOne.
498	*/
499	typedef struct PGMHANDLERINFOARG
500	{
501	/** The output helpers.*/
502	PCDBGFINFOHLP pHlp;
503	/** Set if statistics should be dumped. */
504	bool fStats;
505	} PGMHANDLERINFOARG, *PPGMHANDLERINFOARG;
506
507
508	/**
509	* Info callback for 'pgmhandlers'.
510	*
511	* @param pHlp The output helpers.
512	* @param pszArgs The arguments. phys or virt.
513	*/
514	DECLCALLBACK(void) pgmR3InfoHandlers(PVM pVM, PCDBGFINFOHLP pHlp, const char *pszArgs)
515	{
516	/*
517	* Test input.
518	*/
519	PGMHANDLERINFOARG Args = { pHlp, /* .fStats = */ true };
520	bool fPhysical = !pszArgs \|\| !*pszArgs;
521	bool fVirtual = fPhysical;
522	bool fHyper = fPhysical;
523	if (!fPhysical)
524	{
525	bool fAll = strstr(pszArgs, "all") != NULL;
526	fPhysical = fAll \|\| strstr(pszArgs, "phys") != NULL;
527	fVirtual = fAll \|\| strstr(pszArgs, "virt") != NULL;
528	fHyper = fAll \|\| strstr(pszArgs, "hyper")!= NULL;
529	Args.fStats = strstr(pszArgs, "nost") == NULL;
530	}
531
532	/*
533	* Dump the handlers.
534	*/
535	if (fPhysical)
536	{
537	pHlp->pfnPrintf(pHlp,
538	"Physical handlers: (PhysHandlers=%d (%#x))\n"
539	"From - To (incl) HandlerHC UserHC HandlerGC UserGC Type Description\n",
540	pVM->pgm.s.pTreesR3->PhysHandlers, pVM->pgm.s.pTreesR3->PhysHandlers);
541	RTAvlroGCPhysDoWithAll(&pVM->pgm.s.pTreesR3->PhysHandlers, true, pgmR3InfoHandlersPhysicalOne, &Args);
542	}
543
544	if (fVirtual)
545	{
546	pHlp->pfnPrintf(pHlp,
547	"Virtual handlers:\n"
548	"From - To (excl) HandlerHC HandlerGC Type Description\n");
549	RTAvlroGCPtrDoWithAll(&pVM->pgm.s.pTreesR3->VirtHandlers, true, pgmR3InfoHandlersVirtualOne, &Args);
550	}
551
552	if (fHyper)
553	{
554	pHlp->pfnPrintf(pHlp,
555	"Hypervisor Virtual handlers:\n"
556	"From - To (excl) HandlerHC HandlerGC Type Description\n");
557	RTAvlroGCPtrDoWithAll(&pVM->pgm.s.pTreesR3->HyperVirtHandlers, true, pgmR3InfoHandlersVirtualOne, &Args);
558	}
559	}
560
561
562	/**
563	* Displays one physical handler range.
564	*
565	* @returns 0
566	* @param pNode Pointer to a PGMPHYSHANDLER.
567	* @param pvUser Pointer to command helper functions.
568	*/
569	static DECLCALLBACK(int) pgmR3InfoHandlersPhysicalOne(PAVLROGCPHYSNODECORE pNode, void *pvUser)
570	{
571	PPGMPHYSHANDLER pCur = (PPGMPHYSHANDLER)pNode;
572	PPGMHANDLERINFOARG pArgs= (PPGMHANDLERINFOARG)pvUser;
573	PCDBGFINFOHLP pHlp = pArgs->pHlp;
574	const char *pszType;
575	switch (pCur->enmType)
576	{
577	case PGMPHYSHANDLERTYPE_MMIO: pszType = "MMIO "; break;
578	case PGMPHYSHANDLERTYPE_PHYSICAL_WRITE: pszType = "Write "; break;
579	case PGMPHYSHANDLERTYPE_PHYSICAL_ALL: pszType = "All "; break;
580	default: pszType = "????"; break;
581	}
582	pHlp->pfnPrintf(pHlp,
583	"%RGp - %RGp %RHv %RHv %RRv %RRv %s %s\n",
584	pCur->Core.Key, pCur->Core.KeyLast, pCur->pfnHandlerR3, pCur->pvUserR3, pCur->pfnHandlerRC, pCur->pvUserRC, pszType, pCur->pszDesc);
585	#ifdef VBOX_WITH_STATISTICS
586	if (pArgs->fStats)
587	pHlp->pfnPrintf(pHlp, " cPeriods: %9RU64 cTicks: %11RU64 Min: %11RU64 Avg: %11RU64 Max: %11RU64\n",
588	pCur->Stat.cPeriods, pCur->Stat.cTicks, pCur->Stat.cTicksMin,
589	pCur->Stat.cPeriods ? pCur->Stat.cTicks / pCur->Stat.cPeriods : 0, pCur->Stat.cTicksMax);
590	#endif
591	return 0;
592	}
593
594
595	/**
596	* Displays one virtual handler range.
597	*
598	* @returns 0
599	* @param pNode Pointer to a PGMVIRTHANDLER.
600	* @param pvUser Pointer to command helper functions.
601	*/
602	static DECLCALLBACK(int) pgmR3InfoHandlersVirtualOne(PAVLROGCPTRNODECORE pNode, void *pvUser)
603	{
604	PPGMVIRTHANDLER pCur = (PPGMVIRTHANDLER)pNode;
605	PPGMHANDLERINFOARG pArgs= (PPGMHANDLERINFOARG)pvUser;
606	PCDBGFINFOHLP pHlp = pArgs->pHlp;
607	const char *pszType;
608	switch (pCur->enmType)
609	{
610	case PGMVIRTHANDLERTYPE_WRITE: pszType = "Write "; break;
611	case PGMVIRTHANDLERTYPE_ALL: pszType = "All "; break;
612	case PGMVIRTHANDLERTYPE_HYPERVISOR: pszType = "WriteHyp "; break;
613	default: pszType = "????"; break;
614	}
615	pHlp->pfnPrintf(pHlp, "%RGv - %RGv %RHv %RRv %s %s\n",
616	pCur->Core.Key, pCur->Core.KeyLast, pCur->pfnHandlerR3, pCur->pfnHandlerRC, pszType, pCur->pszDesc);
617	#ifdef VBOX_WITH_STATISTICS
618	if (pArgs->fStats)
619	pHlp->pfnPrintf(pHlp, " cPeriods: %9RU64 cTicks: %11RU64 Min: %11RU64 Avg: %11RU64 Max: %11RU64\n",
620	pCur->Stat.cPeriods, pCur->Stat.cTicks, pCur->Stat.cTicksMin,
621	pCur->Stat.cPeriods ? pCur->Stat.cTicks / pCur->Stat.cPeriods : 0, pCur->Stat.cTicksMax);
622	#endif
623	return 0;
624	}
625

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source: vbox/trunk/src/VBox/VMM/PGMHandler.cpp@ 13333

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