VirtualBox

source: vbox/trunk/src/VBox/VMM/PGMHandler.cpp@ 21205

Last change on this file since 21205 was 20808, checked in by vboxsync, 15 years ago

Removed dead code
  • Property svn:eol-style set to native
  • Property svn:keywords set to Id
File size: 23.1 KB
Line 
1/* $Id: PGMHandler.cpp 20808 2009-06-23 08:43:53Z 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*******************************************************************************/
59static DECLCALLBACK(int) pgmR3HandlerPhysicalOneClear(PAVLROGCPHYSNODECORE pNode, void *pvUser);
60static DECLCALLBACK(int) pgmR3HandlerPhysicalOneSet(PAVLROGCPHYSNODECORE pNode, void *pvUser);
61static DECLCALLBACK(int) pgmR3InfoHandlersPhysicalOne(PAVLROGCPHYSNODECORE pNode, void *pvUser);
62static 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 */
86VMMR3DECL(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 */
137void 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 */
159static 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 */
189static 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 */
227VMMR3DECL(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.) */
276VMMDECL(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 PVMCPU pVCpu = VMMGetCpu(pVM);
391
392 pVCpu->pgm.s.fSyncFlags |= PGM_SYNC_UPDATE_PAGE_BIT_VIRTUAL | PGM_SYNC_CLEAR_PGM_POOL;
393 VMCPU_FF_SET(pVCpu, VMCPU_FF_PGM_SYNC_CR3);
394 }
395 pgmUnlock(pVM);
396
397#ifdef VBOX_WITH_STATISTICS
398 char szPath[256];
399 RTStrPrintf(szPath, sizeof(szPath), "/PGM/VirtHandler/Calls/%RGv-%RGv", pNew->Core.Key, pNew->Core.KeyLast);
400 rc = STAMR3Register(pVM, &pNew->Stat, STAMTYPE_PROFILE, STAMVISIBILITY_USED, szPath, STAMUNIT_TICKS_PER_CALL, pszDesc);
401 AssertRC(rc);
402#endif
403 return VINF_SUCCESS;
404 }
405
406 pgmUnlock(pVM);
407 AssertFailed();
408 MMHyperFree(pVM, pNew);
409 return VERR_PGM_HANDLER_VIRTUAL_CONFLICT;
410}
411
412
413/**
414 * Modify the page invalidation callback handler for a registered virtual range.
415 * (add more when needed)
416 *
417 * @returns VBox status code.
418 * @param pVM VM handle.
419 * @param GCPtr Start address.
420 * @param pfnInvalidateR3 The R3 invalidate callback (can be 0)
421 * @remarks Doesn't work with the hypervisor access handler type.
422 */
423VMMDECL(int) PGMHandlerVirtualChangeInvalidateCallback(PVM pVM, RTGCPTR GCPtr, PFNPGMR3VIRTINVALIDATE pfnInvalidateR3)
424{
425 pgmLock(pVM);
426 PPGMVIRTHANDLER pCur = (PPGMVIRTHANDLER)RTAvlroGCPtrGet(&pVM->pgm.s.pTreesR3->VirtHandlers, GCPtr);
427 if (pCur)
428 {
429 pCur->pfnInvalidateR3 = pfnInvalidateR3;
430 pgmUnlock(pVM);
431 return VINF_SUCCESS;
432 }
433 pgmUnlock(pVM);
434 AssertMsgFailed(("Range %#x not found!\n", GCPtr));
435 return VERR_INVALID_PARAMETER;
436}
437
438/**
439 * Deregister an access handler for a virtual range.
440 *
441 * @returns VBox status code.
442 * @param pVM VM handle.
443 * @param GCPtr Start address.
444 * @thread EMT
445 */
446VMMDECL(int) PGMHandlerVirtualDeregister(PVM pVM, RTGCPTR GCPtr)
447{
448 pgmLock(pVM);
449
450 /*
451 * Find the handler.
452 * We naturally assume GCPtr is a unique specification.
453 */
454 PPGMVIRTHANDLER pCur = (PPGMVIRTHANDLER)RTAvlroGCPtrRemove(&pVM->pgm.s.CTX_SUFF(pTrees)->VirtHandlers, GCPtr);
455 if (RT_LIKELY(pCur))
456 {
457 Log(("PGMHandlerVirtualDeregister: Removing Virtual (%d) Range %RGv-%RGv %s\n", pCur->enmType,
458 pCur->Core.Key, pCur->Core.KeyLast, pCur->pszDesc));
459 Assert(pCur->enmType != PGMVIRTHANDLERTYPE_HYPERVISOR);
460
461 /*
462 * Reset the flags and remove phys2virt nodes.
463 */
464 PPGM pPGM = &pVM->pgm.s;
465 for (unsigned iPage = 0; iPage < pCur->cPages; iPage++)
466 if (pCur->aPhysToVirt[iPage].offNextAlias & PGMPHYS2VIRTHANDLER_IN_TREE)
467 pgmHandlerVirtualClearPage(pPGM, pCur, iPage);
468
469 /*
470 * Schedule CR3 sync.
471 */
472 PVMCPU pVCpu = VMMGetCpu(pVM);
473
474 pVCpu->pgm.s.fSyncFlags |= PGM_SYNC_UPDATE_PAGE_BIT_VIRTUAL | PGM_SYNC_CLEAR_PGM_POOL;
475 VMCPU_FF_SET(pVCpu, VMCPU_FF_PGM_SYNC_CR3);
476 }
477 else
478 {
479 /* must be a hypervisor one then. */
480 pCur = (PPGMVIRTHANDLER)RTAvlroGCPtrRemove(&pVM->pgm.s.CTX_SUFF(pTrees)->HyperVirtHandlers, GCPtr);
481 if (RT_UNLIKELY(!pCur))
482 {
483 pgmUnlock(pVM);
484 AssertMsgFailed(("Range %#x not found!\n", GCPtr));
485 return VERR_INVALID_PARAMETER;
486 }
487
488 Log(("PGMHandlerVirtualDeregister: Removing Hyper Virtual (%d) Range %RGv-%RGv %s\n", pCur->enmType,
489 pCur->Core.Key, pCur->Core.KeyLast, pCur->pszDesc));
490 Assert(pCur->enmType == PGMVIRTHANDLERTYPE_HYPERVISOR);
491 }
492
493 pgmUnlock(pVM);
494
495 STAM_DEREG(pVM, &pCur->Stat);
496 MMHyperFree(pVM, pCur);
497
498 return VINF_SUCCESS;
499}
500
501
502/**
503 * Arguments for pgmR3InfoHandlersPhysicalOne and pgmR3InfoHandlersVirtualOne.
504 */
505typedef struct PGMHANDLERINFOARG
506{
507 /** The output helpers.*/
508 PCDBGFINFOHLP pHlp;
509 /** Set if statistics should be dumped. */
510 bool fStats;
511} PGMHANDLERINFOARG, *PPGMHANDLERINFOARG;
512
513
514/**
515 * Info callback for 'pgmhandlers'.
516 *
517 * @param pHlp The output helpers.
518 * @param pszArgs The arguments. phys or virt.
519 */
520DECLCALLBACK(void) pgmR3InfoHandlers(PVM pVM, PCDBGFINFOHLP pHlp, const char *pszArgs)
521{
522 /*
523 * Test input.
524 */
525 PGMHANDLERINFOARG Args = { pHlp, /* .fStats = */ true };
526 bool fPhysical = !pszArgs || !*pszArgs;
527 bool fVirtual = fPhysical;
528 bool fHyper = fPhysical;
529 if (!fPhysical)
530 {
531 bool fAll = strstr(pszArgs, "all") != NULL;
532 fPhysical = fAll || strstr(pszArgs, "phys") != NULL;
533 fVirtual = fAll || strstr(pszArgs, "virt") != NULL;
534 fHyper = fAll || strstr(pszArgs, "hyper")!= NULL;
535 Args.fStats = strstr(pszArgs, "nost") == NULL;
536 }
537
538 /*
539 * Dump the handlers.
540 */
541 if (fPhysical)
542 {
543 pHlp->pfnPrintf(pHlp,
544 "Physical handlers: (PhysHandlers=%d (%#x))\n"
545 "From - To (incl) HandlerHC UserHC HandlerGC UserGC Type Description\n",
546 pVM->pgm.s.pTreesR3->PhysHandlers, pVM->pgm.s.pTreesR3->PhysHandlers);
547 RTAvlroGCPhysDoWithAll(&pVM->pgm.s.pTreesR3->PhysHandlers, true, pgmR3InfoHandlersPhysicalOne, &Args);
548 }
549
550 if (fVirtual)
551 {
552 pHlp->pfnPrintf(pHlp,
553 "Virtual handlers:\n"
554 "From - To (excl) HandlerHC HandlerGC Type Description\n");
555 RTAvlroGCPtrDoWithAll(&pVM->pgm.s.pTreesR3->VirtHandlers, true, pgmR3InfoHandlersVirtualOne, &Args);
556 }
557
558 if (fHyper)
559 {
560 pHlp->pfnPrintf(pHlp,
561 "Hypervisor Virtual handlers:\n"
562 "From - To (excl) HandlerHC HandlerGC Type Description\n");
563 RTAvlroGCPtrDoWithAll(&pVM->pgm.s.pTreesR3->HyperVirtHandlers, true, pgmR3InfoHandlersVirtualOne, &Args);
564 }
565}
566
567
568/**
569 * Displays one physical handler range.
570 *
571 * @returns 0
572 * @param pNode Pointer to a PGMPHYSHANDLER.
573 * @param pvUser Pointer to command helper functions.
574 */
575static DECLCALLBACK(int) pgmR3InfoHandlersPhysicalOne(PAVLROGCPHYSNODECORE pNode, void *pvUser)
576{
577 PPGMPHYSHANDLER pCur = (PPGMPHYSHANDLER)pNode;
578 PPGMHANDLERINFOARG pArgs= (PPGMHANDLERINFOARG)pvUser;
579 PCDBGFINFOHLP pHlp = pArgs->pHlp;
580 const char *pszType;
581 switch (pCur->enmType)
582 {
583 case PGMPHYSHANDLERTYPE_MMIO: pszType = "MMIO "; break;
584 case PGMPHYSHANDLERTYPE_PHYSICAL_WRITE: pszType = "Write "; break;
585 case PGMPHYSHANDLERTYPE_PHYSICAL_ALL: pszType = "All "; break;
586 default: pszType = "????"; break;
587 }
588 pHlp->pfnPrintf(pHlp,
589 "%RGp - %RGp %RHv %RHv %RRv %RRv %s %s\n",
590 pCur->Core.Key, pCur->Core.KeyLast, pCur->pfnHandlerR3, pCur->pvUserR3, pCur->pfnHandlerRC, pCur->pvUserRC, pszType, pCur->pszDesc);
591#ifdef VBOX_WITH_STATISTICS
592 if (pArgs->fStats)
593 pHlp->pfnPrintf(pHlp, " cPeriods: %9RU64 cTicks: %11RU64 Min: %11RU64 Avg: %11RU64 Max: %11RU64\n",
594 pCur->Stat.cPeriods, pCur->Stat.cTicks, pCur->Stat.cTicksMin,
595 pCur->Stat.cPeriods ? pCur->Stat.cTicks / pCur->Stat.cPeriods : 0, pCur->Stat.cTicksMax);
596#endif
597 return 0;
598}
599
600
601/**
602 * Displays one virtual handler range.
603 *
604 * @returns 0
605 * @param pNode Pointer to a PGMVIRTHANDLER.
606 * @param pvUser Pointer to command helper functions.
607 */
608static DECLCALLBACK(int) pgmR3InfoHandlersVirtualOne(PAVLROGCPTRNODECORE pNode, void *pvUser)
609{
610 PPGMVIRTHANDLER pCur = (PPGMVIRTHANDLER)pNode;
611 PPGMHANDLERINFOARG pArgs= (PPGMHANDLERINFOARG)pvUser;
612 PCDBGFINFOHLP pHlp = pArgs->pHlp;
613 const char *pszType;
614 switch (pCur->enmType)
615 {
616 case PGMVIRTHANDLERTYPE_WRITE: pszType = "Write "; break;
617 case PGMVIRTHANDLERTYPE_ALL: pszType = "All "; break;
618 case PGMVIRTHANDLERTYPE_HYPERVISOR: pszType = "WriteHyp "; break;
619 default: pszType = "????"; break;
620 }
621 pHlp->pfnPrintf(pHlp, "%RGv - %RGv %RHv %RRv %s %s\n",
622 pCur->Core.Key, pCur->Core.KeyLast, pCur->pfnHandlerR3, pCur->pfnHandlerRC, pszType, pCur->pszDesc);
623#ifdef VBOX_WITH_STATISTICS
624 if (pArgs->fStats)
625 pHlp->pfnPrintf(pHlp, " cPeriods: %9RU64 cTicks: %11RU64 Min: %11RU64 Avg: %11RU64 Max: %11RU64\n",
626 pCur->Stat.cPeriods, pCur->Stat.cTicks, pCur->Stat.cTicksMin,
627 pCur->Stat.cPeriods ? pCur->Stat.cTicks / pCur->Stat.cPeriods : 0, pCur->Stat.cTicksMax);
628#endif
629 return 0;
630}
631
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