DBGFAllTracer.cpp@ 96945

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1	/* $Id: DBGFAllTracer.cpp 96407 2022-08-22 17:43:14Z vboxsync $ */
2	/** @file
3	* DBGF - Debugger Facility, All Context Code tracing part.
4	*/
5
6	/*
7	* Copyright (C) 2020-2022 Oracle and/or its affiliates.
8	*
9	* This file is part of VirtualBox base platform packages, as
10	* available from https://www.virtualbox.org.
11	*
12	* This program is free software; you can redistribute it and/or
13	* modify it under the terms of the GNU General Public License
14	* as published by the Free Software Foundation, in version 3 of the
15	* License.
16	*
17	* This program is distributed in the hope that it will be useful, but
18	* WITHOUT ANY WARRANTY; without even the implied warranty of
19	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20	* General Public License for more details.
21	*
22	* You should have received a copy of the GNU General Public License
23	* along with this program; if not, see <https://www.gnu.org/licenses>.
24	*
25	* SPDX-License-Identifier: GPL-3.0-only
26	*/
27
28
29	/*********************************************************************************************************************************
30	* Header Files *
31	*********************************************************************************************************************************/
32	#define LOG_GROUP LOG_GROUP_DBGF
33	#include "DBGFInternal.h"
34	#include <VBox/types.h>
35	#include <VBox/err.h>
36	#include <VBox/vmm/dbgf.h>
37	#if defined(IN_RING3)
38	# include <VBox/vmm/uvm.h>
39	# include <VBox/vmm/vm.h>
40	#elif defined(IN_RING0)
41	# include <VBox/vmm/gvm.h>
42	#else
43	# error "Invalid environment"
44	#endif
45
46
47	/*********************************************************************************************************************************
48	* Internal Functions *
49	*********************************************************************************************************************************/
50
51	/**
52	* Returns the current context tracer instance of the given VM instance.
53	*
54	* @returns Current context pointer to the DBGF tracer instance.
55	*/
56	DECLINLINE(PDBGFTRACERINSCC) dbgfTracerGetInstance(PVMCC pVM)
57	{
58	#if defined(IN_RING0)
59	return pVM->dbgfr0.s.pTracerR0;
60	#elif defined(IN_RING3)
61	PUVM pUVM = pVM->pUVM;
62	return pUVM->dbgf.s.pTracerR3;
63	#elif defined(IN_RC)
64	# error "Not implemented"
65	#else
66	# error "No/Invalid context specified"
67	#endif
68	}
69
70
71	/**
72	* Returns the size of the tracing ring buffer.
73	*
74	* @returns Size of the ring buffer in bytes.
75	* @param pThisCC The event tracer instance current context data.
76	*/
77	DECLINLINE(size_t) dbgfTracerGetRingBufSz(PDBGFTRACERINSCC pThisCC)
78	{
79	#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. */
80	return pThisCC->cbRingBuf;
81	#else
82	return pThisCC->CTX_SUFF(pShared)->cbRingBuf;
83	#endif
84	}
85
86
87	/**
88	* Posts a single event descriptor to the ring buffer of the given tracer instance - extended version.
89	*
90	* @returns VBox status code.
91	* @param pVM The current context VM instance data.
92	* @param pThisCC The event tracer instance current context data.
93	* @param hEvtSrc The event source for the posted event.
94	* @param enmTraceEvt The trace event type posted.
95	* @param idEvtPrev The previous event ID the posted event links to.
96	* @param pvEvtDesc The event descriptor to copy after the header.
97	* @param cbEvtDesc Size of the event descriptor.
98	* @param pidEvt Where to store the assigned event ID, optional.
99	*/
100	static int dbgfTracerEvtPostEx(PVMCC pVM, PDBGFTRACERINSCC pThisCC, DBGFTRACEREVTSRC hEvtSrc,
101	DBGFTRACEREVT enmTraceEvt, uint64_t idEvtPrev, const void *pvEvtDesc,
102	size_t cbEvtDesc, uint64_t *pidEvt)
103	{
104	LogFlowFunc(("pVM=%p pThisCC=%p hEvtSrc=%llu enmTraceEvt=%u idEvtPrev=%llu pvEvtDesc=%p cbEvtDesc=%zu pidEvt=%p\n",
105	pVM, pThisCC, hEvtSrc, enmTraceEvt, idEvtPrev, pvEvtDesc, cbEvtDesc, pidEvt));
106
107	PDBGFTRACERSHARED pSharedCC = pThisCC->CTX_SUFF(pShared);
108	size_t cRingBufEvts = dbgfTracerGetRingBufSz(pThisCC) / DBGF_TRACER_EVT_SZ;
109	AssertReturn(cRingBufEvts, VERR_DBGF_TRACER_IPE_1);
110	AssertReturn(cbEvtDesc <= DBGF_TRACER_EVT_PAYLOAD_SZ, VERR_DBGF_TRACER_IPE_1);
111
112	/* Grab a new event ID first. */
113	uint64_t idEvt = ASMAtomicIncU64(&pSharedCC->idEvt) - 1;
114	uint64_t idxRingBuf = idEvt % cRingBufEvts; /* This gives the index in the ring buffer for the event. */
115	PDBGFTRACEREVTHDR pEvtHdr = (PDBGFTRACEREVTHDR)(pThisCC->CTX_SUFF(pbRingBuf) + idxRingBuf * DBGF_TRACER_EVT_SZ);
116
117	if (RT_UNLIKELY(ASMAtomicReadU64(&pEvtHdr->idEvt) != DBGF_TRACER_EVT_HDR_ID_INVALID))
118	{
119	/** @todo The event ring buffer is full and we need to go back (from R0 to R3) and wait for the flusher thread to
120	* get its act together.
121	*/
122	AssertMsgFailed(("Flush thread can't keep up with event amount!\n"));
123	}
124
125	/* Write the event and kick the flush thread if necessary. */
126	if (cbEvtDesc)
127	memcpy(pEvtHdr + 1, pvEvtDesc, cbEvtDesc);
128	pEvtHdr->idEvtPrev = idEvtPrev;
129	pEvtHdr->hEvtSrc = hEvtSrc;
130	pEvtHdr->enmEvt = enmTraceEvt;
131	pEvtHdr->fFlags = DBGF_TRACER_EVT_HDR_F_DEFAULT;
132	ASMAtomicWriteU64(&pEvtHdr->idEvt, idEvt);
133
134	int rc = VINF_SUCCESS;
135	if (!ASMAtomicXchgBool(&pSharedCC->fEvtsWaiting, true))
136	{
137	if (!ASMAtomicXchgBool(&pSharedCC->fFlushThrdActive, true))
138	rc = SUPSemEventSignal(pVM->pSession, pSharedCC->hSupSemEvtFlush);
139	}
140
141	if (pidEvt)
142	*pidEvt = idEvt;
143	return rc;
144	}
145
146
147	/**
148	* Posts a single event descriptor to the ring buffer of the given tracer instance.
149	*
150	* @returns VBox status code.
151	* @param pVM The current context VM instance data.
152	* @param pThisCC The event tracer instance current context data.
153	* @param hEvtSrc The event source for the posted event.
154	* @param enmTraceEvt The trace event type posted.
155	* @param pvEvtDesc The event descriptor to copy after the header.
156	* @param pidEvt Where to store the assigned event ID, optional.
157	*/
158	DECLINLINE(int) dbgfTracerEvtPostSingle(PVMCC pVM, PDBGFTRACERINSCC pThisCC, DBGFTRACEREVTSRC hEvtSrc,
159	DBGFTRACEREVT enmTraceEvt, const void pvEvtDesc, uint64_t pidEvt)
160	{
161	return dbgfTracerEvtPostEx(pVM, pThisCC, hEvtSrc, enmTraceEvt, DBGF_TRACER_EVT_HDR_ID_INVALID,
162	pvEvtDesc, DBGF_TRACER_EVT_PAYLOAD_SZ, pidEvt);
163	}
164
165
166	#ifdef IN_RING3
167	/**
168	* Posts a single event descriptor to the ring buffer of the given tracer instance - R3 only variant
169	* (used for the register/deregister event source events currently).
170	*
171	* @returns VBox status code.
172	* @param pVM The current context VM instance data.
173	* @param pThisCC The event tracer instance current context data.
174	* @param hEvtSrc The event source for the posted event.
175	* @param enmTraceEvt The trace event type posted.
176	* @param pvEvtDesc The event descriptor to copy after the header.
177	* @param cbEvtDesc Event descriptor size in bytes.
178	* @param pidEvt Where to store the assigned event ID, optional.
179	*/
180	DECLHIDDEN(int) dbgfTracerR3EvtPostSingle(PVMCC pVM, PDBGFTRACERINSCC pThisCC, DBGFTRACEREVTSRC hEvtSrc,
181	DBGFTRACEREVT enmTraceEvt, const void *pvEvtDesc, size_t cbEvtDesc,
182	uint64_t *pidEvt)
183	{
184	return dbgfTracerEvtPostEx(pVM, pThisCC, hEvtSrc, enmTraceEvt, DBGF_TRACER_EVT_HDR_ID_INVALID,
185	pvEvtDesc, cbEvtDesc, pidEvt);
186	}
187	#endif
188
189	/**
190	* Copies the given MMIO value into the event descriptor based on the given size.
191	*
192	* @returns nothing.
193	* @param pEvtMmio Pointer to the MMIO event descriptor to fill.
194	* @param pvVal The value to copy.
195	* @param cbVal Size of the value in bytes.
196	*/
197	static void dbgfTracerEvtMmioCopyVal(PDBGFTRACEREVTMMIO pEvtMmio, const void *pvVal, size_t cbVal)
198	{
199	switch (cbVal)
200	{
201	case 1:
202	pEvtMmio->u64Val = (uint8_t )pvVal;
203	break;
204	case 2:
205	pEvtMmio->u64Val = (uint16_t )pvVal;
206	break;
207	case 4:
208	pEvtMmio->u64Val = (uint32_t )pvVal;
209	break;
210	case 8:
211	pEvtMmio->u64Val = (uint64_t )pvVal;
212	break;
213	default:
214	AssertMsgFailed(("The value size %zu is not supported!\n", cbVal));
215	}
216	}
217
218
219	/**
220	* Copies the given I/O port value into the event descriptor based on the given size.
221	*
222	* @returns nothing.
223	* @param pEvtIoPort Pointer to the I/O port read/write event descriptor to fill.
224	* @param pvVal The value to copy.
225	* @param cbVal Size of the value in bytes.
226	*/
227	static void dbgfTracerEvtIoPortCopyVal(PDBGFTRACEREVTIOPORT pEvtIoPort, const void *pvVal, size_t cbVal)
228	{
229	switch (cbVal)
230	{
231	case 1:
232	pEvtIoPort->u32Val = (uint8_t )pvVal;
233	break;
234	case 2:
235	pEvtIoPort->u32Val = (uint16_t )pvVal;
236	break;
237	case 4:
238	pEvtIoPort->u32Val = (uint32_t )pvVal;
239	break;
240	default:
241	AssertMsgFailed(("The value size %zu is not supported!\n", cbVal));
242	}
243	}
244
245
246	/**
247	* Handles a guest memory transfer event.
248	*
249	* @returns VBox status code.
250	* @param pVM The current context VM instance data.
251	* @param pThisCC The event tracer instance current context data.
252	* @param enmTraceEvt The trace event type posted.
253	* @param hEvtSrc The event source for the posted event.
254	* @param GCPhys The guest physical address the transfer starts at.
255	* @param pvBuf The data being transfered.
256	* @param cbXfer Number of bytes being transfered.
257	*/
258	static int dbgfTracerEvtGCPhys(PVMCC pVM, PDBGFTRACERINSCC pThisCC, DBGFTRACEREVT enmTraceEvt, DBGFTRACEREVTSRC hEvtSrc,
259	RTGCPHYS GCPhys, const void *pvBuf, size_t cbXfer)
260	{
261	/* Fast path for really small transfers where everything fits into the descriptor. */
262	DBGFTRACEREVTGCPHYS EvtGCPhys;
263	EvtGCPhys.GCPhys = GCPhys;
264	EvtGCPhys.cbXfer = cbXfer;
265	if (cbXfer <= sizeof(EvtGCPhys.abData))
266	{
267	memcpy(&EvtGCPhys.abData[0], pvBuf, cbXfer);
268	return dbgfTracerEvtPostSingle(pVM, pThisCC, hEvtSrc, enmTraceEvt, &EvtGCPhys, NULL /pidEvt/);
269	}
270
271	/*
272	* Slow path where we have to split the data into multiple entries.
273	* Each one is linked to the previous one by the previous event ID.
274	*/
275	const uint8_t pbBuf = (const uint8_t )pvBuf;
276	size_t cbLeft = cbXfer;
277	uint64_t idEvtPrev = 0;
278	memcpy(&EvtGCPhys.abData[0], pbBuf, sizeof(EvtGCPhys.abData));
279	pbBuf += sizeof(EvtGCPhys.abData);
280	cbLeft -= sizeof(EvtGCPhys.abData);
281
282	int rc = dbgfTracerEvtPostSingle(pVM, pThisCC, hEvtSrc, enmTraceEvt, &EvtGCPhys, &idEvtPrev);
283	while ( RT_SUCCESS(rc)
284	&& cbLeft)
285	{
286	size_t cbThisXfer = RT_MIN(cbLeft, DBGF_TRACER_EVT_PAYLOAD_SZ);
287	rc = dbgfTracerEvtPostEx(pVM, pThisCC, hEvtSrc, enmTraceEvt, idEvtPrev,
288	pbBuf, cbThisXfer, &idEvtPrev);
289
290	pbBuf += cbThisXfer;
291	cbLeft -= cbThisXfer;
292	}
293
294	return rc;
295	}
296
297
298	/**
299	* Handles a I/O port string transfer event.
300	*
301	* @returns VBox status code.
302	* @param pVM The current context VM instance data.
303	* @param pThisCC The event tracer instance current context data.
304	* @param enmTraceEvt The trace event type posted.
305	* @param hEvtSrc The event source for the posted event.
306	* @param hIoPorts The I/O port region handle for the transfer.
307	* @param offPort The offset into the region where the transfer happened.
308	* @param pv The data being transfered.
309	* @param cb Number of bytes of valid data in the buffer.
310	* @param cbItem Item size in bytes.
311	* @param cTransfersReq Number of transfers requested.
312	* @param cTransfersRet Number of transfers done.
313	*/
314	static int dbgfTracerEvtIoPortStr(PVMCC pVM, PDBGFTRACERINSCC pThisCC, DBGFTRACEREVT enmTraceEvt, DBGFTRACEREVTSRC hEvtSrc,
315	uint64_t hIoPorts, RTIOPORT offPort, const void *pv, size_t cb, size_t cbItem, uint32_t cTransfersReq,
316	uint32_t cTransfersRet)
317	{
318	/* Fast path for really small transfers where everything fits into the descriptor. */
319	DBGFTRACEREVTIOPORTSTR EvtIoPortStr;
320	EvtIoPortStr.hIoPorts = hIoPorts;
321	EvtIoPortStr.cbItem = (uint32_t)cbItem;
322	EvtIoPortStr.cTransfersReq = cTransfersReq;
323	EvtIoPortStr.cTransfersRet = cTransfersRet;
324	EvtIoPortStr.offPort = offPort;
325	if (cb <= sizeof(EvtIoPortStr.abData))
326	{
327	memcpy(&EvtIoPortStr.abData[0], pv, cb);
328	return dbgfTracerEvtPostSingle(pVM, pThisCC, hEvtSrc, enmTraceEvt, &EvtIoPortStr, NULL /pidEvt/);
329	}
330
331	/*
332	* Slow path where we have to split the data into multiple entries.
333	* Each one is linked to the previous one by the previous event ID.
334	*/
335	const uint8_t pbBuf = (const uint8_t )pv;
336	size_t cbLeft = cb;
337	uint64_t idEvtPrev = 0;
338	memcpy(&EvtIoPortStr.abData[0], pbBuf, sizeof(EvtIoPortStr.abData));
339	pbBuf += sizeof(EvtIoPortStr.abData);
340	cbLeft -= sizeof(EvtIoPortStr.abData);
341
342	int rc = dbgfTracerEvtPostSingle(pVM, pThisCC, hEvtSrc, enmTraceEvt, &EvtIoPortStr, &idEvtPrev);
343	while ( RT_SUCCESS(rc)
344	&& cbLeft)
345	{
346	size_t cbThisXfer = RT_MIN(cbLeft, DBGF_TRACER_EVT_PAYLOAD_SZ);
347	rc = dbgfTracerEvtPostEx(pVM, pThisCC, hEvtSrc, enmTraceEvt, idEvtPrev,
348	pbBuf, cbThisXfer, &idEvtPrev);
349
350	pbBuf += cbThisXfer;
351	cbLeft -= cbThisXfer;
352	}
353
354	return rc;
355	}
356
357
358	/**
359	* Registers an MMIO region mapping event for the given event source.
360	*
361	* @returns VBox status code.
362	* @param pVM The current context VM instance data.
363	* @param hEvtSrc The event source for the posted event.
364	* @param hRegion The MMIO region handle being mapped.
365	* @param GCPhysMmio The guest physical address where the region is mapped.
366	*/
367	VMM_INT_DECL(int) DBGFTracerEvtMmioMap(PVMCC pVM, DBGFTRACEREVTSRC hEvtSrc, uint64_t hRegion, RTGCPHYS GCPhysMmio)
368	{
369	PDBGFTRACERINSCC pThisCC = dbgfTracerGetInstance(pVM);
370	AssertReturn(pThisCC, VERR_DBGF_TRACER_IPE_1);
371
372	DBGFTRACEREVTMMIOMAP EvtMmioMap;
373	EvtMmioMap.hMmioRegion = hRegion;
374	EvtMmioMap.GCPhysMmioBase = GCPhysMmio;
375	EvtMmioMap.au64Pad0[0] = 0;
376	EvtMmioMap.au64Pad0[1] = 0;
377
378	return dbgfTracerEvtPostSingle(pVM, pThisCC, hEvtSrc, DBGFTRACEREVT_MMIO_MAP, &EvtMmioMap, NULL /pidEvt/);
379	}
380
381
382	/**
383	* Registers an MMIO region unmap event for the given event source.
384	*
385	* @returns VBox status code.
386	* @param pVM The current context VM instance data.
387	* @param hEvtSrc The event source for the posted event.
388	* @param hRegion The MMIO region handle being unmapped.
389	*/
390	VMM_INT_DECL(int) DBGFTracerEvtMmioUnmap(PVMCC pVM, DBGFTRACEREVTSRC hEvtSrc, uint64_t hRegion)
391	{
392	PDBGFTRACERINSCC pThisCC = dbgfTracerGetInstance(pVM);
393	AssertReturn(pThisCC, VERR_DBGF_TRACER_IPE_1);
394
395	DBGFTRACEREVTMMIOUNMAP EvtMmioUnmap;
396	EvtMmioUnmap.hMmioRegion = hRegion;
397	EvtMmioUnmap.au64Pad0[0] = 0;
398	EvtMmioUnmap.au64Pad0[1] = 0;
399	EvtMmioUnmap.au64Pad0[2] = 0;
400
401	return dbgfTracerEvtPostSingle(pVM, pThisCC, hEvtSrc, DBGFTRACEREVT_MMIO_UNMAP, &EvtMmioUnmap, NULL /pidEvt/);
402	}
403
404
405	/**
406	* Registers an MMIO region read event for the given event source.
407	*
408	* @returns VBox status code.
409	* @param pVM The current context VM instance data.
410	* @param hEvtSrc The event source for the posted event.
411	* @param hRegion The MMIO region handle being read.
412	* @param offMmio The MMIO offset into the region where the read happened.
413	* @param pvVal The value being read.
414	* @param cbVal Value size in bytes.
415	*/
416	VMM_INT_DECL(int) DBGFTracerEvtMmioRead(PVMCC pVM, DBGFTRACEREVTSRC hEvtSrc, uint64_t hRegion, RTGCPHYS offMmio, const void *pvVal, size_t cbVal)
417	{
418	PDBGFTRACERINSCC pThisCC = dbgfTracerGetInstance(pVM);
419	AssertReturn(pThisCC, VERR_DBGF_TRACER_IPE_1);
420
421	DBGFTRACEREVTMMIO EvtMmio;
422	EvtMmio.hMmioRegion = hRegion;
423	EvtMmio.offMmio = offMmio;
424	EvtMmio.cbXfer = cbVal;
425	dbgfTracerEvtMmioCopyVal(&EvtMmio, pvVal, cbVal);
426
427	return dbgfTracerEvtPostSingle(pVM, pThisCC, hEvtSrc, DBGFTRACEREVT_MMIO_READ, &EvtMmio, NULL /pidEvt/);
428	}
429
430
431	/**
432	* Registers an MMIO region write event for the given event source.
433	*
434	* @returns VBox status code.
435	* @param pVM The current context VM instance data.
436	* @param hEvtSrc The event source for the posted event.
437	* @param hRegion The MMIO region handle being written to.
438	* @param offMmio The MMIO offset into the region where the write happened.
439	* @param pvVal The value being written.
440	* @param cbVal Value size in bytes.
441	*/
442	VMM_INT_DECL(int) DBGFTracerEvtMmioWrite(PVMCC pVM, DBGFTRACEREVTSRC hEvtSrc, uint64_t hRegion, RTGCPHYS offMmio, const void *pvVal, size_t cbVal)
443	{
444	PDBGFTRACERINSCC pThisCC = dbgfTracerGetInstance(pVM);
445	AssertReturn(pThisCC, VERR_DBGF_TRACER_IPE_1);
446
447	DBGFTRACEREVTMMIO EvtMmio;
448	EvtMmio.hMmioRegion = hRegion;
449	EvtMmio.offMmio = offMmio;
450	EvtMmio.cbXfer = cbVal;
451	dbgfTracerEvtMmioCopyVal(&EvtMmio, pvVal, cbVal);
452
453	return dbgfTracerEvtPostSingle(pVM, pThisCC, hEvtSrc, DBGFTRACEREVT_MMIO_WRITE, &EvtMmio, NULL /pidEvt/);
454	}
455
456
457	/**
458	* Registers an MMIO region fill event for the given event source.
459	*
460	* @returns VBox status code.
461	* @param pVM The current context VM instance data.
462	* @param hEvtSrc The event source for the posted event.
463	* @param hRegion The MMIO region handle being filled.
464	* @param offMmio The MMIO offset into the region where the fill starts.
465	* @param u32Item The value being used for filling.
466	* @param cbItem Item size in bytes.
467	* @param cItems Number of items being written.
468	*/
469	VMM_INT_DECL(int) DBGFTracerEvtMmioFill(PVMCC pVM, DBGFTRACEREVTSRC hEvtSrc, uint64_t hRegion, RTGCPHYS offMmio,
470	uint32_t u32Item, uint32_t cbItem, uint32_t cItems)
471	{
472	PDBGFTRACERINSCC pThisCC = dbgfTracerGetInstance(pVM);
473	AssertReturn(pThisCC, VERR_DBGF_TRACER_IPE_1);
474
475	DBGFTRACEREVTMMIOFILL EvtMmioFill;
476	EvtMmioFill.hMmioRegion = hRegion;
477	EvtMmioFill.offMmio = offMmio;
478	EvtMmioFill.cbItem = cbItem;
479	EvtMmioFill.cItems = cItems;
480	EvtMmioFill.u32Item = u32Item;
481	EvtMmioFill.u32Pad0 = 0;
482
483	return dbgfTracerEvtPostSingle(pVM, pThisCC, hEvtSrc, DBGFTRACEREVT_MMIO_FILL, &EvtMmioFill, NULL /pidEvt/);
484	}
485
486
487	/**
488	* Registers an I/O region mapping event for the given event source.
489	*
490	* @returns VBox status code.
491	* @param pVM The current context VM instance data.
492	* @param hEvtSrc The event source for the posted event.
493	* @param hIoPorts The I/O port region handle being mapped.
494	* @param IoPortBase The I/O port base where the region is mapped.
495	*/
496	VMM_INT_DECL(int) DBGFTracerEvtIoPortMap(PVMCC pVM, DBGFTRACEREVTSRC hEvtSrc, uint64_t hIoPorts, RTIOPORT IoPortBase)
497	{
498	PDBGFTRACERINSCC pThisCC = dbgfTracerGetInstance(pVM);
499	AssertReturn(pThisCC, VERR_DBGF_TRACER_IPE_1);
500
501	DBGFTRACEREVTIOPORTMAP EvtIoPortMap;
502	RT_ZERO(EvtIoPortMap);
503	EvtIoPortMap.hIoPorts = hIoPorts;
504	EvtIoPortMap.IoPortBase = IoPortBase;
505
506	return dbgfTracerEvtPostSingle(pVM, pThisCC, hEvtSrc, DBGFTRACEREVT_IOPORT_MAP, &EvtIoPortMap, NULL /pidEvt/);
507	}
508
509
510	/**
511	* Registers an I/O region unmap event for the given event source.
512	*
513	* @returns VBox status code.
514	* @param pVM The current context VM instance data.
515	* @param hEvtSrc The event source for the posted event.
516	* @param hIoPorts The I/O port region handle being unmapped.
517	*/
518	VMM_INT_DECL(int) DBGFTracerEvtIoPortUnmap(PVMCC pVM, DBGFTRACEREVTSRC hEvtSrc, uint64_t hIoPorts)
519	{
520	PDBGFTRACERINSCC pThisCC = dbgfTracerGetInstance(pVM);
521	AssertReturn(pThisCC, VERR_DBGF_TRACER_IPE_1);
522
523	DBGFTRACEREVTIOPORTUNMAP EvtIoPortUnmap;
524	EvtIoPortUnmap.hIoPorts = hIoPorts;
525	EvtIoPortUnmap.au64Pad0[0] = 0;
526	EvtIoPortUnmap.au64Pad0[1] = 0;
527	EvtIoPortUnmap.au64Pad0[2] = 0;
528
529	return dbgfTracerEvtPostSingle(pVM, pThisCC, hEvtSrc, DBGFTRACEREVT_IOPORT_UNMAP, &EvtIoPortUnmap, NULL /pidEvt/);
530	}
531
532
533	/**
534	* Registers an I/O region read event for the given event source.
535	*
536	* @returns VBox status code.
537	* @param pVM The current context VM instance data.
538	* @param hEvtSrc The event source for the posted event.
539	* @param hIoPorts The I/O port region handle being read from.
540	* @param offPort The offset into the region where the read happened.
541	* @param pvVal The value being read.
542	* @param cbVal Value size in bytes.
543	*/
544	VMM_INT_DECL(int) DBGFTracerEvtIoPortRead(PVMCC pVM, DBGFTRACEREVTSRC hEvtSrc, uint64_t hIoPorts, RTIOPORT offPort, const void *pvVal, size_t cbVal)
545	{
546	PDBGFTRACERINSCC pThisCC = dbgfTracerGetInstance(pVM);
547	AssertReturn(pThisCC, VERR_DBGF_TRACER_IPE_1);
548
549	DBGFTRACEREVTIOPORT EvtIoPort;
550	RT_ZERO(EvtIoPort);
551	EvtIoPort.hIoPorts = hIoPorts;
552	EvtIoPort.offPort = offPort;
553	EvtIoPort.cbXfer = cbVal;
554	dbgfTracerEvtIoPortCopyVal(&EvtIoPort, pvVal, cbVal);
555
556	return dbgfTracerEvtPostSingle(pVM, pThisCC, hEvtSrc, DBGFTRACEREVT_IOPORT_READ, &EvtIoPort, NULL /pidEvt/);
557	}
558
559
560	/**
561	* Registers an I/O region string read event for the given event source.
562	*
563	* @returns VBox status code.
564	* @param pVM The current context VM instance data.
565	* @param hEvtSrc The event source for the posted event.
566	* @param hIoPorts The I/O port region handle being read from.
567	* @param offPort The offset into the region where the read happened.
568	* @param pv The data being read.
569	* @param cb Item size in bytes.
570	* @param cTransfersReq Number of transfers requested.
571	* @param cTransfersRet Number of transfers done.
572	*/
573	VMM_INT_DECL(int) DBGFTracerEvtIoPortReadStr(PVMCC pVM, DBGFTRACEREVTSRC hEvtSrc, uint64_t hIoPorts, RTIOPORT offPort, const void *pv, size_t cb,
574	uint32_t cTransfersReq, uint32_t cTransfersRet)
575	{
576	PDBGFTRACERINSCC pThisCC = dbgfTracerGetInstance(pVM);
577	AssertReturn(pThisCC, VERR_DBGF_TRACER_IPE_1);
578
579	return dbgfTracerEvtIoPortStr(pVM, pThisCC, DBGFTRACEREVT_IOPORT_READ_STR, hEvtSrc, hIoPorts, offPort, pv, cTransfersRet * cb,
580	cb, cTransfersReq, cTransfersRet);
581	}
582
583
584	/**
585	* Registers an I/O region write event for the given event source.
586	*
587	* @returns VBox status code.
588	* @param pVM The current context VM instance data.
589	* @param hEvtSrc The event source for the posted event.
590	* @param hIoPorts The I/O port region handle being written to.
591	* @param offPort The offset into the region where the write happened.
592	* @param pvVal The value being written.
593	* @param cbVal Value size in bytes.
594	*/
595	VMM_INT_DECL(int) DBGFTracerEvtIoPortWrite(PVMCC pVM, DBGFTRACEREVTSRC hEvtSrc, uint64_t hIoPorts, RTIOPORT offPort, const void *pvVal, size_t cbVal)
596	{
597	PDBGFTRACERINSCC pThisCC = dbgfTracerGetInstance(pVM);
598	AssertReturn(pThisCC, VERR_DBGF_TRACER_IPE_1);
599
600	DBGFTRACEREVTIOPORT EvtIoPort;
601	RT_ZERO(EvtIoPort);
602	EvtIoPort.hIoPorts = hIoPorts;
603	EvtIoPort.offPort = offPort;
604	EvtIoPort.cbXfer = cbVal;
605	dbgfTracerEvtIoPortCopyVal(&EvtIoPort, pvVal, cbVal);
606
607	return dbgfTracerEvtPostSingle(pVM, pThisCC, hEvtSrc, DBGFTRACEREVT_IOPORT_WRITE, &EvtIoPort, NULL /pidEvt/);
608	}
609
610
611	/**
612	* Registers an I/O region string write event for the given event source.
613	*
614	* @returns VBox status code.
615	* @param pVM The current context VM instance data.
616	* @param hEvtSrc The event source for the posted event.
617	* @param hIoPorts The I/O port region handle being written to.
618	* @param offPort The offset into the region where the write happened.
619	* @param pv The data being written.
620	* @param cb Item size in bytes.
621	* @param cTransfersReq Number of transfers requested.
622	* @param cTransfersRet Number of transfers done.
623	*/
624	VMM_INT_DECL(int) DBGFTracerEvtIoPortWriteStr(PVMCC pVM, DBGFTRACEREVTSRC hEvtSrc, uint64_t hIoPorts, RTIOPORT offPort, const void *pv, size_t cb,
625	uint32_t cTransfersReq, uint32_t cTransfersRet)
626	{
627	PDBGFTRACERINSCC pThisCC = dbgfTracerGetInstance(pVM);
628	AssertReturn(pThisCC, VERR_DBGF_TRACER_IPE_1);
629
630	return dbgfTracerEvtIoPortStr(pVM, pThisCC, DBGFTRACEREVT_IOPORT_WRITE_STR, hEvtSrc, hIoPorts, offPort, pv, cTransfersReq * cb,
631	cb, cTransfersReq, cTransfersRet);
632	}
633
634
635	/**
636	* Registers an IRQ change event for the given event source.
637	*
638	* @returns VBox status code.
639	* @param pVM The current context VM instance data.
640	* @param hEvtSrc The event source for the posted event.
641	* @param iIrq The IRQ line changed.
642	* @param fIrqLvl The new IRQ level mask.
643	*/
644	VMM_INT_DECL(int) DBGFTracerEvtIrq(PVMCC pVM, DBGFTRACEREVTSRC hEvtSrc, int32_t iIrq, int32_t fIrqLvl)
645	{
646	PDBGFTRACERINSCC pThisCC = dbgfTracerGetInstance(pVM);
647	AssertReturn(pThisCC, VERR_DBGF_TRACER_IPE_1);
648
649	DBGFTRACEREVTIRQ EvtIrq;
650	RT_ZERO(EvtIrq);
651	EvtIrq.iIrq = iIrq;
652	EvtIrq.fIrqLvl = fIrqLvl;
653
654	return dbgfTracerEvtPostSingle(pVM, pThisCC, hEvtSrc, DBGFTRACEREVT_IRQ, &EvtIrq, NULL /pidEvt/);
655	}
656
657
658	/**
659	* Registers an I/O APIC MSI event for the given event source.
660	*
661	* @returns VBox status code.
662	* @param pVM The current context VM instance data.
663	* @param hEvtSrc The event source for the posted event.
664	* @param GCPhys Guest physical address where the value is written to.
665	* @param u32Val The MSI event value being written.
666	*/
667	VMM_INT_DECL(int) DBGFTracerEvtIoApicMsi(PVMCC pVM, DBGFTRACEREVTSRC hEvtSrc, RTGCPHYS GCPhys, uint32_t u32Val)
668	{
669	PDBGFTRACERINSCC pThisCC = dbgfTracerGetInstance(pVM);
670	AssertReturn(pThisCC, VERR_DBGF_TRACER_IPE_1);
671
672	DBGFTRACEREVTIOAPICMSI EvtMsi;
673	RT_ZERO(EvtMsi);
674	EvtMsi.GCPhys = GCPhys;
675	EvtMsi.u32Val = u32Val;
676
677	return dbgfTracerEvtPostSingle(pVM, pThisCC, hEvtSrc, DBGFTRACEREVT_IOAPIC_MSI, &EvtMsi, NULL /pidEvt/);
678	}
679
680
681	/**
682	* Registers an guest physical memory read event for the given event source.
683	*
684	* @returns VBox status code.
685	* @param pVM The current context VM instance data.
686	* @param hEvtSrc The event source for the posted event.
687	* @param GCPhys Guest physical address the read started at.
688	* @param pvBuf The read data.
689	* @param cbRead Number of bytes read.
690	*/
691	VMM_INT_DECL(int) DBGFTracerEvtGCPhysRead(PVMCC pVM, DBGFTRACEREVTSRC hEvtSrc, RTGCPHYS GCPhys, const void *pvBuf, size_t cbRead)
692	{
693	PDBGFTRACERINSCC pThisCC = dbgfTracerGetInstance(pVM);
694	AssertReturn(pThisCC, VERR_DBGF_TRACER_IPE_1);
695
696	return dbgfTracerEvtGCPhys(pVM, pThisCC, DBGFTRACEREVT_GCPHYS_READ, hEvtSrc, GCPhys, pvBuf, cbRead);
697	}
698
699
700	/**
701	* Registers an guest physical memory write event for the given event source.
702	*
703	* @returns VBox status code.
704	* @param pVM The current context VM instance data.
705	* @param hEvtSrc The event source for the posted event.
706	* @param GCPhys Guest physical address the write started at.
707	* @param pvBuf The written data.
708	* @param cbWrite Number of bytes written.
709	*/
710	VMM_INT_DECL(int) DBGFTracerEvtGCPhysWrite(PVMCC pVM, DBGFTRACEREVTSRC hEvtSrc, RTGCPHYS GCPhys, const void *pvBuf, size_t cbWrite)
711	{
712	PDBGFTRACERINSCC pThisCC = dbgfTracerGetInstance(pVM);
713	AssertReturn(pThisCC, VERR_DBGF_TRACER_IPE_1);
714
715	return dbgfTracerEvtGCPhys(pVM, pThisCC, DBGFTRACEREVT_GCPHYS_WRITE, hEvtSrc, GCPhys, pvBuf, cbWrite);
716	}
717

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source: vbox/trunk/src/VBox/VMM/VMMAll/DBGFAllTracer.cpp@ 96945

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