VirtualBox

source: vbox/trunk/src/VBox/VMM/VMMAll/DBGFAllTracer.cpp@ 87626

Last change on this file since 87626 was 84823, checked in by vboxsync, 4 years ago

VMM/DBGFTracer: Windows build fixes, bugref:9210

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1/* $Id: DBGFAllTracer.cpp 84823 2020-06-15 06:58:36Z vboxsync $ */
2/** @file
3 * DBGF - Debugger Facility, All Context Code tracing part.
4 */
5
6/*
7 * Copyright (C) 2020 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_DBGF
23#include "DBGFInternal.h"
24#include <VBox/types.h>
25#include <VBox/err.h>
26#include <VBox/vmm/dbgf.h>
27#if defined(IN_RING3)
28# include <VBox/vmm/uvm.h>
29# include <VBox/vmm/vm.h>
30#elif defined(IN_RING0)
31# include <VBox/vmm/gvm.h>
32#else
33# error "Invalid environment"
34#endif
35
36
37/*********************************************************************************************************************************
38* Internal Functions *
39*********************************************************************************************************************************/
40
41/**
42 * Returns the current context tracer instance of the given VM instance.
43 *
44 * @returns Current context pointer to the DBGF tracer instance.
45 */
46DECLINLINE(PDBGFTRACERINSCC) dbgfTracerGetInstance(PVMCC pVM)
47{
48#if defined(IN_RING0)
49 return pVM->dbgfr0.s.pTracerR0;
50#elif defined(IN_RING3)
51 PUVM pUVM = pVM->pUVM;
52 return pUVM->dbgf.s.pTracerR3;
53#elif defined(IN_RC)
54# error "Not implemented"
55#else
56# error "No/Invalid context specified"
57#endif
58}
59
60
61/**
62 * Returns the size of the tracing ring buffer.
63 *
64 * @returns Size of the ring buffer in bytes.
65 * @param pThisCC The event tracer instance current context data.
66 */
67DECLINLINE(size_t) dbgfTracerGetRingBufSz(PDBGFTRACERINSCC pThisCC)
68{
69#if defined(IN_RING0) /* For R0 we are extra cautious and use the ring buffer size stored in R0 memory so R3 can't corrupt it. */
70 return pThisCC->cbRingBuf;
71#else
72 return pThisCC->CTX_SUFF(pShared)->cbRingBuf;
73#endif
74}
75
76
77/**
78 * Posts a single event descriptor to the ring buffer of the given tracer instance - extended version.
79 *
80 * @returns VBox status code.
81 * @param pVM The current context VM instance data.
82 * @param pThisCC The event tracer instance current context data.
83 * @param hEvtSrc The event source for the posted event.
84 * @param enmTraceEvt The trace event type posted.
85 * @param idEvtPrev The previous event ID the posted event links to.
86 * @param pvEvtDesc The event descriptor to copy after the header.
87 * @param cbEvtDesc Size of the event descriptor.
88 * @param pidEvt Where to store the assigned event ID, optional.
89 */
90static int dbgfTracerEvtPostEx(PVMCC pVM, PDBGFTRACERINSCC pThisCC, DBGFTRACEREVTSRC hEvtSrc,
91 DBGFTRACEREVT enmTraceEvt, uint64_t idEvtPrev, const void *pvEvtDesc,
92 size_t cbEvtDesc, uint64_t *pidEvt)
93{
94 LogFlowFunc(("pVM=%p pThisCC=%p hEvtSrc=%llu enmTraceEvt=%u idEvtPrev=%llu pvEvtDesc=%p cbEvtDesc=%zu pidEvt=%p\n",
95 pVM, pThisCC, hEvtSrc, enmTraceEvt, idEvtPrev, pvEvtDesc, cbEvtDesc, pidEvt));
96
97 PDBGFTRACERSHARED pSharedCC = pThisCC->CTX_SUFF(pShared);
98 size_t cRingBufEvts = dbgfTracerGetRingBufSz(pThisCC) / DBGF_TRACER_EVT_SZ;
99 AssertReturn(cRingBufEvts, VERR_DBGF_TRACER_IPE_1);
100 AssertReturn(cbEvtDesc <= DBGF_TRACER_EVT_PAYLOAD_SZ, VERR_DBGF_TRACER_IPE_1);
101
102 /* Grab a new event ID first. */
103 uint64_t idEvt = ASMAtomicIncU64(&pSharedCC->idEvt) - 1;
104 uint64_t idxRingBuf = idEvt % cRingBufEvts; /* This gives the index in the ring buffer for the event. */
105 PDBGFTRACEREVTHDR pEvtHdr = (PDBGFTRACEREVTHDR)(pThisCC->CTX_SUFF(pbRingBuf) + idxRingBuf * DBGF_TRACER_EVT_SZ);
106
107 if (RT_UNLIKELY(ASMAtomicReadU64(&pEvtHdr->idEvt) != DBGF_TRACER_EVT_HDR_ID_INVALID))
108 {
109 /** @todo The event ring buffer is full and we need to go back (from R0 to R3) and wait for the flusher thread to
110 * get its act together.
111 */
112 AssertMsgFailed(("Flush thread can't keep up with event amount!\n"));
113 }
114
115 /* Write the event and kick the flush thread if necessary. */
116 if (cbEvtDesc)
117 memcpy(pEvtHdr + 1, pvEvtDesc, cbEvtDesc);
118 pEvtHdr->idEvtPrev = idEvtPrev;
119 pEvtHdr->hEvtSrc = hEvtSrc;
120 pEvtHdr->enmEvt = enmTraceEvt;
121 pEvtHdr->fFlags = DBGF_TRACER_EVT_HDR_F_DEFAULT;
122 ASMAtomicWriteU64(&pEvtHdr->idEvt, idEvt);
123
124 int rc = VINF_SUCCESS;
125 if (!ASMAtomicXchgBool(&pSharedCC->fEvtsWaiting, true))
126 {
127 if (!ASMAtomicXchgBool(&pSharedCC->fFlushThrdActive, true))
128 rc = SUPSemEventSignal(pVM->pSession, pSharedCC->hSupSemEvtFlush);
129 }
130
131 if (pidEvt)
132 *pidEvt = idEvt;
133 return rc;
134}
135
136
137/**
138 * Posts a single event descriptor to the ring buffer of the given tracer instance.
139 *
140 * @returns VBox status code.
141 * @param pVM The current context VM instance data.
142 * @param pThisCC The event tracer instance current context data.
143 * @param hEvtSrc The event source for the posted event.
144 * @param enmTraceEvt The trace event type posted.
145 * @param pvEvtDesc The event descriptor to copy after the header.
146 * @param pidEvt Where to store the assigned event ID, optional.
147 */
148DECLINLINE(int) dbgfTracerEvtPostSingle(PVMCC pVM, PDBGFTRACERINSCC pThisCC, DBGFTRACEREVTSRC hEvtSrc,
149 DBGFTRACEREVT enmTraceEvt, const void *pvEvtDesc, uint64_t *pidEvt)
150{
151 return dbgfTracerEvtPostEx(pVM, pThisCC, hEvtSrc, enmTraceEvt, DBGF_TRACER_EVT_HDR_ID_INVALID,
152 pvEvtDesc, DBGF_TRACER_EVT_PAYLOAD_SZ, pidEvt);
153}
154
155
156#ifdef IN_RING3
157/**
158 * Posts a single event descriptor to the ring buffer of the given tracer instance - R3 only variant
159 * (used for the register/deregister event source events currently).
160 *
161 * @returns VBox status code.
162 * @param pVM The current context VM instance data.
163 * @param pThisCC The event tracer instance current context data.
164 * @param hEvtSrc The event source for the posted event.
165 * @param enmTraceEvt The trace event type posted.
166 * @param pvEvtDesc The event descriptor to copy after the header.
167 * @param cbEvtDesc Event descriptor size in bytes.
168 * @param pidEvt Where to store the assigned event ID, optional.
169 */
170DECLHIDDEN(int) dbgfTracerR3EvtPostSingle(PVMCC pVM, PDBGFTRACERINSCC pThisCC, DBGFTRACEREVTSRC hEvtSrc,
171 DBGFTRACEREVT enmTraceEvt, const void *pvEvtDesc, size_t cbEvtDesc,
172 uint64_t *pidEvt)
173{
174 return dbgfTracerEvtPostEx(pVM, pThisCC, hEvtSrc, enmTraceEvt, DBGF_TRACER_EVT_HDR_ID_INVALID,
175 pvEvtDesc, cbEvtDesc, pidEvt);
176}
177#endif
178
179/**
180 * Copies the given MMIO value into the event descriptor based on the given size.
181 *
182 * @returns nothing.
183 * @param pEvtMmio Pointer to the MMIO event descriptor to fill.
184 * @param pvVal The value to copy.
185 * @param cbVal Size of the value in bytes.
186 */
187static void dbgfTracerEvtMmioCopyVal(PDBGFTRACEREVTMMIO pEvtMmio, const void *pvVal, size_t cbVal)
188{
189 switch (cbVal)
190 {
191 case 1:
192 pEvtMmio->u64Val = *(uint8_t *)pvVal;
193 break;
194 case 2:
195 pEvtMmio->u64Val = *(uint16_t *)pvVal;
196 break;
197 case 4:
198 pEvtMmio->u64Val = *(uint32_t *)pvVal;
199 break;
200 case 8:
201 pEvtMmio->u64Val = *(uint64_t *)pvVal;
202 break;
203 default:
204 AssertMsgFailed(("The value size %zu is not supported!\n", cbVal));
205 }
206}
207
208
209/**
210 * Copies the given I/O port value into the event descriptor based on the given size.
211 *
212 * @returns nothing.
213 * @param pEvtIoPort Pointer to the I/O port read/write event descriptor to fill.
214 * @param pvVal The value to copy.
215 * @param cbVal Size of the value in bytes.
216 */
217static void dbgfTracerEvtIoPortCopyVal(PDBGFTRACEREVTIOPORT pEvtIoPort, const void *pvVal, size_t cbVal)
218{
219 switch (cbVal)
220 {
221 case 1:
222 pEvtIoPort->u32Val = *(uint8_t *)pvVal;
223 break;
224 case 2:
225 pEvtIoPort->u32Val = *(uint16_t *)pvVal;
226 break;
227 case 4:
228 pEvtIoPort->u32Val = *(uint32_t *)pvVal;
229 break;
230 default:
231 AssertMsgFailed(("The value size %zu is not supported!\n", cbVal));
232 }
233}
234
235
236/**
237 * Handles a guest memory transfer event.
238 *
239 * @returns VBox status code.
240 * @param pVM The current context VM instance data.
241 * @param pThisCC The event tracer instance current context data.
242 * @param enmTraceEvt The trace event type posted.
243 * @param hEvtSrc The event source for the posted event.
244 * @param GCPhys The guest physical address the transfer starts at.
245 * @param pvBuf The data being transfered.
246 * @param cbXfer Number of bytes being transfered.
247 */
248static int dbgfTracerEvtGCPhys(PVMCC pVM, PDBGFTRACERINSCC pThisCC, DBGFTRACEREVT enmTraceEvt, DBGFTRACEREVTSRC hEvtSrc,
249 RTGCPHYS GCPhys, const void *pvBuf, size_t cbXfer)
250{
251 /* Fast path for really small transfers where everything fits into the descriptor. */
252 DBGFTRACEREVTGCPHYS EvtGCPhys;
253 EvtGCPhys.GCPhys = GCPhys;
254 EvtGCPhys.cbXfer = cbXfer;
255 if (cbXfer <= sizeof(EvtGCPhys.abData))
256 {
257 memcpy(&EvtGCPhys.abData[0], pvBuf, cbXfer);
258 return dbgfTracerEvtPostSingle(pVM, pThisCC, hEvtSrc, enmTraceEvt, &EvtGCPhys, NULL /*pidEvt*/);
259 }
260
261 /*
262 * Slow path where we have to split the data into multiple entries.
263 * Each one is linked to the previous one by the previous event ID.
264 */
265 const uint8_t *pbBuf = (const uint8_t *)pvBuf;
266 size_t cbLeft = cbXfer;
267 uint64_t idEvtPrev = 0;
268 memcpy(&EvtGCPhys.abData[0], pbBuf, sizeof(EvtGCPhys.abData));
269 pbBuf += sizeof(EvtGCPhys.abData);
270 cbLeft -= sizeof(EvtGCPhys.abData);
271
272 int rc = dbgfTracerEvtPostSingle(pVM, pThisCC, hEvtSrc, enmTraceEvt, &EvtGCPhys, &idEvtPrev);
273 while ( RT_SUCCESS(rc)
274 && cbLeft)
275 {
276 size_t cbThisXfer = RT_MIN(cbLeft, DBGF_TRACER_EVT_PAYLOAD_SZ);
277 rc = dbgfTracerEvtPostEx(pVM, pThisCC, hEvtSrc, enmTraceEvt, idEvtPrev,
278 pbBuf, cbThisXfer, &idEvtPrev);
279
280 pbBuf += cbThisXfer;
281 cbLeft -= cbThisXfer;
282 }
283
284 return rc;
285}
286
287
288/**
289 * Handles a I/O port string transfer event.
290 *
291 * @returns VBox status code.
292 * @param pVM The current context VM instance data.
293 * @param pThisCC The event tracer instance current context data.
294 * @param enmTraceEvt The trace event type posted.
295 * @param hEvtSrc The event source for the posted event.
296 * @param hIoPorts The I/O port region handle for the transfer.
297 * @param offPort The offset into the region where the transfer happened.
298 * @param pv The data being transfered.
299 * @param cb Number of bytes of valid data in the buffer.
300 * @param cbItem Item size in bytes.
301 * @param cTransfersReq Number of transfers requested.
302 * @param cTransfersRet Number of transfers done.
303 */
304static int dbgfTracerEvtIoPortStr(PVMCC pVM, PDBGFTRACERINSCC pThisCC, DBGFTRACEREVT enmTraceEvt, DBGFTRACEREVTSRC hEvtSrc,
305 uint64_t hIoPorts, RTIOPORT offPort, const void *pv, size_t cb, size_t cbItem, uint32_t cTransfersReq,
306 uint32_t cTransfersRet)
307{
308 /* Fast path for really small transfers where everything fits into the descriptor. */
309 DBGFTRACEREVTIOPORTSTR EvtIoPortStr;
310 EvtIoPortStr.hIoPorts = hIoPorts;
311 EvtIoPortStr.cbItem = (uint32_t)cbItem;
312 EvtIoPortStr.cTransfersReq = cTransfersReq;
313 EvtIoPortStr.cTransfersRet = cTransfersRet;
314 EvtIoPortStr.offPort = offPort;
315 if (cb <= sizeof(EvtIoPortStr.abData))
316 {
317 memcpy(&EvtIoPortStr.abData[0], pv, cb);
318 return dbgfTracerEvtPostSingle(pVM, pThisCC, hEvtSrc, enmTraceEvt, &EvtIoPortStr, NULL /*pidEvt*/);
319 }
320
321 /*
322 * Slow path where we have to split the data into multiple entries.
323 * Each one is linked to the previous one by the previous event ID.
324 */
325 const uint8_t *pbBuf = (const uint8_t *)pv;
326 size_t cbLeft = cb;
327 uint64_t idEvtPrev = 0;
328 memcpy(&EvtIoPortStr.abData[0], pbBuf, sizeof(EvtIoPortStr.abData));
329 pbBuf += sizeof(EvtIoPortStr.abData);
330 cbLeft -= sizeof(EvtIoPortStr.abData);
331
332 int rc = dbgfTracerEvtPostSingle(pVM, pThisCC, hEvtSrc, enmTraceEvt, &EvtIoPortStr, &idEvtPrev);
333 while ( RT_SUCCESS(rc)
334 && cbLeft)
335 {
336 size_t cbThisXfer = RT_MIN(cbLeft, DBGF_TRACER_EVT_PAYLOAD_SZ);
337 rc = dbgfTracerEvtPostEx(pVM, pThisCC, hEvtSrc, enmTraceEvt, idEvtPrev,
338 pbBuf, cbThisXfer, &idEvtPrev);
339
340 pbBuf += cbThisXfer;
341 cbLeft -= cbThisXfer;
342 }
343
344 return rc;
345}
346
347
348/**
349 * Registers an MMIO region mapping event for the given event source.
350 *
351 * @returns VBox status code.
352 * @param pVM The current context VM instance data.
353 * @param hEvtSrc The event source for the posted event.
354 * @param hRegion The MMIO region handle being mapped.
355 * @param GCPhysMmio The guest physical address where the region is mapped.
356 */
357VMM_INT_DECL(int) DBGFTracerEvtMmioMap(PVMCC pVM, DBGFTRACEREVTSRC hEvtSrc, uint64_t hRegion, RTGCPHYS GCPhysMmio)
358{
359 PDBGFTRACERINSCC pThisCC = dbgfTracerGetInstance(pVM);
360 AssertReturn(pThisCC, VERR_DBGF_TRACER_IPE_1);
361
362 DBGFTRACEREVTMMIOMAP EvtMmioMap;
363 EvtMmioMap.hMmioRegion = hRegion;
364 EvtMmioMap.GCPhysMmioBase = GCPhysMmio;
365 EvtMmioMap.au64Pad0[0] = 0;
366 EvtMmioMap.au64Pad0[1] = 0;
367
368 return dbgfTracerEvtPostSingle(pVM, pThisCC, hEvtSrc, DBGFTRACEREVT_MMIO_MAP, &EvtMmioMap, NULL /*pidEvt*/);
369}
370
371
372/**
373 * Registers an MMIO region unmap event for the given event source.
374 *
375 * @returns VBox status code.
376 * @param pVM The current context VM instance data.
377 * @param hEvtSrc The event source for the posted event.
378 * @param hRegion The MMIO region handle being unmapped.
379 */
380VMM_INT_DECL(int) DBGFTracerEvtMmioUnmap(PVMCC pVM, DBGFTRACEREVTSRC hEvtSrc, uint64_t hRegion)
381{
382 PDBGFTRACERINSCC pThisCC = dbgfTracerGetInstance(pVM);
383 AssertReturn(pThisCC, VERR_DBGF_TRACER_IPE_1);
384
385 DBGFTRACEREVTMMIOUNMAP EvtMmioUnmap;
386 EvtMmioUnmap.hMmioRegion = hRegion;
387 EvtMmioUnmap.au64Pad0[0] = 0;
388 EvtMmioUnmap.au64Pad0[1] = 0;
389 EvtMmioUnmap.au64Pad0[2] = 0;
390
391 return dbgfTracerEvtPostSingle(pVM, pThisCC, hEvtSrc, DBGFTRACEREVT_MMIO_UNMAP, &EvtMmioUnmap, NULL /*pidEvt*/);
392}
393
394
395/**
396 * Registers an MMIO region read event for the given event source.
397 *
398 * @returns VBox status code.
399 * @param pVM The current context VM instance data.
400 * @param hEvtSrc The event source for the posted event.
401 * @param hRegion The MMIO region handle being read.
402 * @param offMmio The MMIO offset into the region where the read happened.
403 * @param pvVal The value being read.
404 * @param cbVal Value size in bytes.
405 */
406VMM_INT_DECL(int) DBGFTracerEvtMmioRead(PVMCC pVM, DBGFTRACEREVTSRC hEvtSrc, uint64_t hRegion, RTGCPHYS offMmio, const void *pvVal, size_t cbVal)
407{
408 PDBGFTRACERINSCC pThisCC = dbgfTracerGetInstance(pVM);
409 AssertReturn(pThisCC, VERR_DBGF_TRACER_IPE_1);
410
411 DBGFTRACEREVTMMIO EvtMmio;
412 EvtMmio.hMmioRegion = hRegion;
413 EvtMmio.offMmio = offMmio;
414 EvtMmio.cbXfer = cbVal;
415 dbgfTracerEvtMmioCopyVal(&EvtMmio, pvVal, cbVal);
416
417 return dbgfTracerEvtPostSingle(pVM, pThisCC, hEvtSrc, DBGFTRACEREVT_MMIO_READ, &EvtMmio, NULL /*pidEvt*/);
418}
419
420
421/**
422 * Registers an MMIO region write event for the given event source.
423 *
424 * @returns VBox status code.
425 * @param pVM The current context VM instance data.
426 * @param hEvtSrc The event source for the posted event.
427 * @param hRegion The MMIO region handle being written to.
428 * @param offMmio The MMIO offset into the region where the write happened.
429 * @param pvVal The value being written.
430 * @param cbVal Value size in bytes.
431 */
432VMM_INT_DECL(int) DBGFTracerEvtMmioWrite(PVMCC pVM, DBGFTRACEREVTSRC hEvtSrc, uint64_t hRegion, RTGCPHYS offMmio, const void *pvVal, size_t cbVal)
433{
434 PDBGFTRACERINSCC pThisCC = dbgfTracerGetInstance(pVM);
435 AssertReturn(pThisCC, VERR_DBGF_TRACER_IPE_1);
436
437 DBGFTRACEREVTMMIO EvtMmio;
438 EvtMmio.hMmioRegion = hRegion;
439 EvtMmio.offMmio = offMmio;
440 EvtMmio.cbXfer = cbVal;
441 dbgfTracerEvtMmioCopyVal(&EvtMmio, pvVal, cbVal);
442
443 return dbgfTracerEvtPostSingle(pVM, pThisCC, hEvtSrc, DBGFTRACEREVT_MMIO_WRITE, &EvtMmio, NULL /*pidEvt*/);
444}
445
446
447/**
448 * Registers an MMIO region fill event for the given event source.
449 *
450 * @returns VBox status code.
451 * @param pVM The current context VM instance data.
452 * @param hEvtSrc The event source for the posted event.
453 * @param hRegion The MMIO region handle being filled.
454 * @param offMmio The MMIO offset into the region where the fill starts.
455 * @param u32Item The value being used for filling.
456 * @param cbItem Item size in bytes.
457 * @param cItems Number of items being written.
458 */
459VMM_INT_DECL(int) DBGFTracerEvtMmioFill(PVMCC pVM, DBGFTRACEREVTSRC hEvtSrc, uint64_t hRegion, RTGCPHYS offMmio,
460 uint32_t u32Item, uint32_t cbItem, uint32_t cItems)
461{
462 PDBGFTRACERINSCC pThisCC = dbgfTracerGetInstance(pVM);
463 AssertReturn(pThisCC, VERR_DBGF_TRACER_IPE_1);
464
465 DBGFTRACEREVTMMIOFILL EvtMmioFill;
466 EvtMmioFill.hMmioRegion = hRegion;
467 EvtMmioFill.offMmio = offMmio;
468 EvtMmioFill.cbItem = cbItem;
469 EvtMmioFill.cItems = cItems;
470 EvtMmioFill.u32Item = u32Item;
471 EvtMmioFill.u32Pad0 = 0;
472
473 return dbgfTracerEvtPostSingle(pVM, pThisCC, hEvtSrc, DBGFTRACEREVT_MMIO_FILL, &EvtMmioFill, NULL /*pidEvt*/);
474}
475
476
477/**
478 * Registers an I/O region mapping event for the given event source.
479 *
480 * @returns VBox status code.
481 * @param pVM The current context VM instance data.
482 * @param hEvtSrc The event source for the posted event.
483 * @param hIoPorts The I/O port region handle being mapped.
484 * @param IoPortBase The I/O port base where the region is mapped.
485 */
486VMM_INT_DECL(int) DBGFTracerEvtIoPortMap(PVMCC pVM, DBGFTRACEREVTSRC hEvtSrc, uint64_t hIoPorts, RTIOPORT IoPortBase)
487{
488 PDBGFTRACERINSCC pThisCC = dbgfTracerGetInstance(pVM);
489 AssertReturn(pThisCC, VERR_DBGF_TRACER_IPE_1);
490
491 DBGFTRACEREVTIOPORTMAP EvtIoPortMap;
492 RT_ZERO(EvtIoPortMap);
493 EvtIoPortMap.hIoPorts = hIoPorts;
494 EvtIoPortMap.IoPortBase = IoPortBase;
495
496 return dbgfTracerEvtPostSingle(pVM, pThisCC, hEvtSrc, DBGFTRACEREVT_IOPORT_MAP, &EvtIoPortMap, NULL /*pidEvt*/);
497}
498
499
500/**
501 * Registers an I/O region unmap event for the given event source.
502 *
503 * @returns VBox status code.
504 * @param pVM The current context VM instance data.
505 * @param hEvtSrc The event source for the posted event.
506 * @param hIoPorts The I/O port region handle being unmapped.
507 */
508VMM_INT_DECL(int) DBGFTracerEvtIoPortUnmap(PVMCC pVM, DBGFTRACEREVTSRC hEvtSrc, uint64_t hIoPorts)
509{
510 PDBGFTRACERINSCC pThisCC = dbgfTracerGetInstance(pVM);
511 AssertReturn(pThisCC, VERR_DBGF_TRACER_IPE_1);
512
513 DBGFTRACEREVTIOPORTUNMAP EvtIoPortUnmap;
514 EvtIoPortUnmap.hIoPorts = hIoPorts;
515 EvtIoPortUnmap.au64Pad0[0] = 0;
516 EvtIoPortUnmap.au64Pad0[1] = 0;
517 EvtIoPortUnmap.au64Pad0[2] = 0;
518
519 return dbgfTracerEvtPostSingle(pVM, pThisCC, hEvtSrc, DBGFTRACEREVT_IOPORT_UNMAP, &EvtIoPortUnmap, NULL /*pidEvt*/);
520}
521
522
523/**
524 * Registers an I/O region read event for the given event source.
525 *
526 * @returns VBox status code.
527 * @param pVM The current context VM instance data.
528 * @param hEvtSrc The event source for the posted event.
529 * @param hIoPorts The I/O port region handle being read from.
530 * @param offPort The offset into the region where the read happened.
531 * @param pvVal The value being read.
532 * @param cbVal Value size in bytes.
533 */
534VMM_INT_DECL(int) DBGFTracerEvtIoPortRead(PVMCC pVM, DBGFTRACEREVTSRC hEvtSrc, uint64_t hIoPorts, RTIOPORT offPort, const void *pvVal, size_t cbVal)
535{
536 PDBGFTRACERINSCC pThisCC = dbgfTracerGetInstance(pVM);
537 AssertReturn(pThisCC, VERR_DBGF_TRACER_IPE_1);
538
539 DBGFTRACEREVTIOPORT EvtIoPort;
540 RT_ZERO(EvtIoPort);
541 EvtIoPort.hIoPorts = hIoPorts;
542 EvtIoPort.offPort = offPort;
543 EvtIoPort.cbXfer = cbVal;
544 dbgfTracerEvtIoPortCopyVal(&EvtIoPort, pvVal, cbVal);
545
546 return dbgfTracerEvtPostSingle(pVM, pThisCC, hEvtSrc, DBGFTRACEREVT_IOPORT_READ, &EvtIoPort, NULL /*pidEvt*/);
547}
548
549
550/**
551 * Registers an I/O region string read event for the given event source.
552 *
553 * @returns VBox status code.
554 * @param pVM The current context VM instance data.
555 * @param hEvtSrc The event source for the posted event.
556 * @param hIoPorts The I/O port region handle being read from.
557 * @param offPort The offset into the region where the read happened.
558 * @param pv The data being read.
559 * @param cb Item size in bytes.
560 * @param cTransfersReq Number of transfers requested.
561 * @param cTransfersRet Number of transfers done.
562 */
563VMM_INT_DECL(int) DBGFTracerEvtIoPortReadStr(PVMCC pVM, DBGFTRACEREVTSRC hEvtSrc, uint64_t hIoPorts, RTIOPORT offPort, const void *pv, size_t cb,
564 uint32_t cTransfersReq, uint32_t cTransfersRet)
565{
566 PDBGFTRACERINSCC pThisCC = dbgfTracerGetInstance(pVM);
567 AssertReturn(pThisCC, VERR_DBGF_TRACER_IPE_1);
568
569 return dbgfTracerEvtIoPortStr(pVM, pThisCC, DBGFTRACEREVT_IOPORT_READ_STR, hEvtSrc, hIoPorts, offPort, pv, cTransfersRet * cb,
570 cb, cTransfersReq, cTransfersRet);
571}
572
573
574/**
575 * Registers an I/O region write event for the given event source.
576 *
577 * @returns VBox status code.
578 * @param pVM The current context VM instance data.
579 * @param hEvtSrc The event source for the posted event.
580 * @param hIoPorts The I/O port region handle being written to.
581 * @param offPort The offset into the region where the write happened.
582 * @param pvVal The value being written.
583 * @param cbVal Value size in bytes.
584 */
585VMM_INT_DECL(int) DBGFTracerEvtIoPortWrite(PVMCC pVM, DBGFTRACEREVTSRC hEvtSrc, uint64_t hIoPorts, RTIOPORT offPort, const void *pvVal, size_t cbVal)
586{
587 PDBGFTRACERINSCC pThisCC = dbgfTracerGetInstance(pVM);
588 AssertReturn(pThisCC, VERR_DBGF_TRACER_IPE_1);
589
590 DBGFTRACEREVTIOPORT EvtIoPort;
591 RT_ZERO(EvtIoPort);
592 EvtIoPort.hIoPorts = hIoPorts;
593 EvtIoPort.offPort = offPort;
594 EvtIoPort.cbXfer = cbVal;
595 dbgfTracerEvtIoPortCopyVal(&EvtIoPort, pvVal, cbVal);
596
597 return dbgfTracerEvtPostSingle(pVM, pThisCC, hEvtSrc, DBGFTRACEREVT_IOPORT_WRITE, &EvtIoPort, NULL /*pidEvt*/);
598}
599
600
601/**
602 * Registers an I/O region string write event for the given event source.
603 *
604 * @returns VBox status code.
605 * @param pVM The current context VM instance data.
606 * @param hEvtSrc The event source for the posted event.
607 * @param hIoPorts The I/O port region handle being written to.
608 * @param offPort The offset into the region where the write happened.
609 * @param pv The data being written.
610 * @param cb Item size in bytes.
611 * @param cTransfersReq Number of transfers requested.
612 * @param cTransfersRet Number of transfers done.
613 */
614VMM_INT_DECL(int) DBGFTracerEvtIoPortWriteStr(PVMCC pVM, DBGFTRACEREVTSRC hEvtSrc, uint64_t hIoPorts, RTIOPORT offPort, const void *pv, size_t cb,
615 uint32_t cTransfersReq, uint32_t cTransfersRet)
616{
617 PDBGFTRACERINSCC pThisCC = dbgfTracerGetInstance(pVM);
618 AssertReturn(pThisCC, VERR_DBGF_TRACER_IPE_1);
619
620 return dbgfTracerEvtIoPortStr(pVM, pThisCC, DBGFTRACEREVT_IOPORT_WRITE_STR, hEvtSrc, hIoPorts, offPort, pv, cTransfersReq * cb,
621 cb, cTransfersReq, cTransfersRet);
622}
623
624
625/**
626 * Registers an IRQ change event for the given event source.
627 *
628 * @returns VBox status code.
629 * @param pVM The current context VM instance data.
630 * @param hEvtSrc The event source for the posted event.
631 * @param iIrq The IRQ line changed.
632 * @param fIrqLvl The new IRQ level mask.
633 */
634VMM_INT_DECL(int) DBGFTracerEvtIrq(PVMCC pVM, DBGFTRACEREVTSRC hEvtSrc, int32_t iIrq, int32_t fIrqLvl)
635{
636 PDBGFTRACERINSCC pThisCC = dbgfTracerGetInstance(pVM);
637 AssertReturn(pThisCC, VERR_DBGF_TRACER_IPE_1);
638
639 DBGFTRACEREVTIRQ EvtIrq;
640 RT_ZERO(EvtIrq);
641 EvtIrq.iIrq = iIrq;
642 EvtIrq.fIrqLvl = fIrqLvl;
643
644 return dbgfTracerEvtPostSingle(pVM, pThisCC, hEvtSrc, DBGFTRACEREVT_IRQ, &EvtIrq, NULL /*pidEvt*/);
645}
646
647
648/**
649 * Registers an I/O APIC MSI event for the given event source.
650 *
651 * @returns VBox status code.
652 * @param pVM The current context VM instance data.
653 * @param hEvtSrc The event source for the posted event.
654 * @param GCPhys Guest physical address where the value is written to.
655 * @param u32Val The MSI event value being written.
656 */
657VMM_INT_DECL(int) DBGFTracerEvtIoApicMsi(PVMCC pVM, DBGFTRACEREVTSRC hEvtSrc, RTGCPHYS GCPhys, uint32_t u32Val)
658{
659 PDBGFTRACERINSCC pThisCC = dbgfTracerGetInstance(pVM);
660 AssertReturn(pThisCC, VERR_DBGF_TRACER_IPE_1);
661
662 DBGFTRACEREVTIOAPICMSI EvtMsi;
663 RT_ZERO(EvtMsi);
664 EvtMsi.GCPhys = GCPhys;
665 EvtMsi.u32Val = u32Val;
666
667 return dbgfTracerEvtPostSingle(pVM, pThisCC, hEvtSrc, DBGFTRACEREVT_IOAPIC_MSI, &EvtMsi, NULL /*pidEvt*/);
668}
669
670
671/**
672 * Registers an guest physical memory read event for the given event source.
673 *
674 * @returns VBox status code.
675 * @param pVM The current context VM instance data.
676 * @param hEvtSrc The event source for the posted event.
677 * @param GCPhys Guest physical address the read started at.
678 * @param pvBuf The read data.
679 * @param cbRead Number of bytes read.
680 */
681VMM_INT_DECL(int) DBGFTracerEvtGCPhysRead(PVMCC pVM, DBGFTRACEREVTSRC hEvtSrc, RTGCPHYS GCPhys, const void *pvBuf, size_t cbRead)
682{
683 PDBGFTRACERINSCC pThisCC = dbgfTracerGetInstance(pVM);
684 AssertReturn(pThisCC, VERR_DBGF_TRACER_IPE_1);
685
686 return dbgfTracerEvtGCPhys(pVM, pThisCC, DBGFTRACEREVT_GCPHYS_READ, hEvtSrc, GCPhys, pvBuf, cbRead);
687}
688
689
690/**
691 * Registers an guest physical memory write event for the given event source.
692 *
693 * @returns VBox status code.
694 * @param pVM The current context VM instance data.
695 * @param hEvtSrc The event source for the posted event.
696 * @param GCPhys Guest physical address the write started at.
697 * @param pvBuf The written data.
698 * @param cbWrite Number of bytes written.
699 */
700VMM_INT_DECL(int) DBGFTracerEvtGCPhysWrite(PVMCC pVM, DBGFTRACEREVTSRC hEvtSrc, RTGCPHYS GCPhys, const void *pvBuf, size_t cbWrite)
701{
702 PDBGFTRACERINSCC pThisCC = dbgfTracerGetInstance(pVM);
703 AssertReturn(pThisCC, VERR_DBGF_TRACER_IPE_1);
704
705 return dbgfTracerEvtGCPhys(pVM, pThisCC, DBGFTRACEREVT_GCPHYS_WRITE, hEvtSrc, GCPhys, pvBuf, cbWrite);
706}
707
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