PDMDevHlpTracing.cpp@ 88639

Last change on this file since 88639 was 88639, checked in by vboxsync, 4 years ago
Intel IOMMU: bugref:9967 PDM: Enable more interfaces for Intel IOMMU and comment nit.
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1	/* $Id: PDMDevHlpTracing.cpp 88639 2021-04-22 05:52:42Z vboxsync $ */
2	/** @file
3	* PDM - Pluggable Device and Driver Manager, Device Helper variants when tracing is enabled.
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_PDM_DEVICE
23	#define PDMPCIDEV_INCLUDE_PRIVATE /* Hack to get pdmpcidevint.h included at the right point. */
24	#include "PDMInternal.h"
25	#include <VBox/vmm/pdm.h>
26	#include <VBox/vmm/mm.h>
27	#include <VBox/vmm/hm.h>
28	#include <VBox/vmm/pgm.h>
29	#include <VBox/vmm/iom.h>
30	#include <VBox/vmm/dbgf.h>
31	#include <VBox/vmm/ssm.h>
32	#include <VBox/vmm/vmapi.h>
33	#include <VBox/vmm/vmm.h>
34	#include <VBox/vmm/vmcc.h>
35
36	#include <VBox/version.h>
37	#include <VBox/log.h>
38	#include <VBox/err.h>
39	#include <iprt/asm.h>
40	#include <iprt/assert.h>
41	#include <iprt/ctype.h>
42	#include <iprt/string.h>
43	#include <iprt/thread.h>
44
45	#include "dtrace/VBoxVMM.h"
46	#include "PDMInline.h"
47
48
49	/*********************************************************************************************************************************
50	* Defined Constants And Macros *
51	*********************************************************************************************************************************/
52	/** @name R3 DevHlp
53	* @{
54	*/
55
56
57	static DECLCALLBACK(VBOXSTRICTRC) pdmR3DevHlpTracing_IoPortNewIn(PPDMDEVINS pDevIns, void pvUser, RTIOPORT offPort, uint32_t pu32, unsigned cb)
58	{
59	PCPDMDEVINSDBGFTRACK pTrack = (PCPDMDEVINSDBGFTRACK)pvUser;
60
61	Assert(!pTrack->fMmio);
62	PVM pVM = pDevIns->Internal.s.pVMR3;
63	VBOXSTRICTRC rcStrict = pTrack->u.IoPort.pfnIn(pDevIns, pTrack->pvUser, offPort, pu32, cb);
64	if (RT_SUCCESS(rcStrict))
65	DBGFTracerEvtIoPortRead(pVM, pDevIns->Internal.s.hDbgfTraceEvtSrc, pTrack->u.IoPort.hIoPorts, offPort, pu32, cb);
66
67	return rcStrict;
68	}
69
70
71	static DECLCALLBACK(VBOXSTRICTRC) pdmR3DevHlpTracing_IoPortNewInStr(PPDMDEVINS pDevIns, void pvUser, RTIOPORT offPort, uint8_t pbDst,
72	uint32_t *pcTransfers, unsigned cb)
73	{
74	PCPDMDEVINSDBGFTRACK pTrack = (PCPDMDEVINSDBGFTRACK)pvUser;
75
76	Assert(!pTrack->fMmio);
77	PVM pVM = pDevIns->Internal.s.pVMR3;
78	uint32_t cTransfersReq = *pcTransfers;
79	VBOXSTRICTRC rcStrict = pTrack->u.IoPort.pfnInStr(pDevIns, pTrack->pvUser, offPort, pbDst, pcTransfers, cb);
80	if (RT_SUCCESS(rcStrict))
81	DBGFTracerEvtIoPortReadStr(pVM, pDevIns->Internal.s.hDbgfTraceEvtSrc, pTrack->u.IoPort.hIoPorts, offPort, pbDst, cb,
82	cTransfersReq, cTransfersReq - *pcTransfers);
83
84	return rcStrict;
85	}
86
87
88	static DECLCALLBACK(VBOXSTRICTRC) pdmR3DevHlpTracing_IoPortNewOut(PPDMDEVINS pDevIns, void *pvUser, RTIOPORT offPort, uint32_t u32, unsigned cb)
89	{
90	PCPDMDEVINSDBGFTRACK pTrack = (PCPDMDEVINSDBGFTRACK)pvUser;
91
92	Assert(!pTrack->fMmio);
93	PVM pVM = pDevIns->Internal.s.pVMR3;
94	VBOXSTRICTRC rcStrict = pTrack->u.IoPort.pfnOut(pDevIns, pTrack->pvUser, offPort, u32, cb);
95	if (RT_SUCCESS(rcStrict))
96	DBGFTracerEvtIoPortWrite(pVM, pDevIns->Internal.s.hDbgfTraceEvtSrc, pTrack->u.IoPort.hIoPorts, offPort, &u32, cb);
97
98	return rcStrict;
99	}
100
101
102	static DECLCALLBACK(VBOXSTRICTRC) pdmR3DevHlpTracing_IoPortNewOutStr(PPDMDEVINS pDevIns, void pvUser, RTIOPORT offPort, const uint8_t pbSrc,
103	uint32_t *pcTransfers, unsigned cb)
104	{
105	PCPDMDEVINSDBGFTRACK pTrack = (PCPDMDEVINSDBGFTRACK)pvUser;
106
107	Assert(!pTrack->fMmio);
108	PVM pVM = pDevIns->Internal.s.pVMR3;
109	uint32_t cTransfersReq = *pcTransfers;
110	VBOXSTRICTRC rcStrict = pTrack->u.IoPort.pfnOutStr(pDevIns, pTrack->pvUser, offPort, pbSrc, pcTransfers, cb);
111	if (RT_SUCCESS(rcStrict))
112	DBGFTracerEvtIoPortWriteStr(pVM, pDevIns->Internal.s.hDbgfTraceEvtSrc, pTrack->u.IoPort.hIoPorts, offPort, pbSrc, cb,
113	cTransfersReq, cTransfersReq - *pcTransfers);
114
115	return rcStrict;
116	}
117
118
119	static DECLCALLBACK(VBOXSTRICTRC) pdmR3DevHlpTracing_MmioRead(PPDMDEVINS pDevIns, void pvUser, RTGCPHYS off, void pv, uint32_t cb)
120	{
121	PCPDMDEVINSDBGFTRACK pTrack = (PCPDMDEVINSDBGFTRACK)pvUser;
122
123	Assert(pTrack->fMmio);
124	PVM pVM = pDevIns->Internal.s.pVMR3;
125	VBOXSTRICTRC rcStrict = pTrack->u.Mmio.pfnRead(pDevIns, pTrack->pvUser, off, pv, cb);
126	if (RT_SUCCESS(rcStrict))
127	DBGFTracerEvtMmioRead(pVM, pDevIns->Internal.s.hDbgfTraceEvtSrc, pTrack->u.Mmio.hMmioRegion, off, pv, cb);
128
129	return rcStrict;
130	}
131
132
133	static DECLCALLBACK(VBOXSTRICTRC) pdmR3DevHlpTracing_MmioWrite(PPDMDEVINS pDevIns, void pvUser, RTGCPHYS off, void const pv, uint32_t cb)
134	{
135	PCPDMDEVINSDBGFTRACK pTrack = (PCPDMDEVINSDBGFTRACK)pvUser;
136
137	Assert(pTrack->fMmio);
138	PVM pVM = pDevIns->Internal.s.pVMR3;
139	VBOXSTRICTRC rcStrict = pTrack->u.Mmio.pfnWrite(pDevIns, pTrack->pvUser, off, pv, cb);
140	if (RT_SUCCESS(rcStrict))
141	DBGFTracerEvtMmioWrite(pVM, pDevIns->Internal.s.hDbgfTraceEvtSrc, pTrack->u.Mmio.hMmioRegion, off, pv, cb);
142
143	return rcStrict;
144	}
145
146
147	static DECLCALLBACK(VBOXSTRICTRC) pdmR3DevHlpTracing_MmioFill(PPDMDEVINS pDevIns, void *pvUser, RTGCPHYS off,
148	uint32_t u32Item, uint32_t cbItem, uint32_t cItems)
149	{
150	PCPDMDEVINSDBGFTRACK pTrack = (PCPDMDEVINSDBGFTRACK)pvUser;
151
152	Assert(pTrack->fMmio);
153	PVM pVM = pDevIns->Internal.s.pVMR3;
154	VBOXSTRICTRC rcStrict = pTrack->u.Mmio.pfnFill(pDevIns, pTrack->pvUser, off, u32Item, cbItem, cItems);
155	if (RT_SUCCESS(rcStrict))
156	DBGFTracerEvtMmioFill(pVM, pDevIns->Internal.s.hDbgfTraceEvtSrc, pTrack->u.Mmio.hMmioRegion, off,
157	u32Item, cbItem, cItems);
158
159	return rcStrict;
160	}
161
162
163	/** @interface_method_impl{PDMDEVHLPR3,pfnIoPortCreateEx} */
164	DECL_HIDDEN_CALLBACK(int)
165	pdmR3DevHlpTracing_IoPortCreateEx(PPDMDEVINS pDevIns, RTIOPORT cPorts, uint32_t fFlags, PPDMPCIDEV pPciDev,
166	uint32_t iPciRegion, PFNIOMIOPORTNEWOUT pfnOut, PFNIOMIOPORTNEWIN pfnIn,
167	PFNIOMIOPORTNEWOUTSTRING pfnOutStr, PFNIOMIOPORTNEWINSTRING pfnInStr, RTR3PTR pvUser,
168	const char *pszDesc, PCIOMIOPORTDESC paExtDescs, PIOMIOPORTHANDLE phIoPorts)
169	{
170	PDMDEV_ASSERT_DEVINS(pDevIns);
171	LogFlow(("pdmR3DevHlpTracing_IoPortCreateEx: caller='%s'/%d: cPorts=%#x fFlags=%#x pPciDev=%p iPciRegion=%#x pfnOut=%p pfnIn=%p pfnOutStr=%p pfnInStr=%p pvUser=%p pszDesc=%p:{%s} paExtDescs=%p phIoPorts=%p\n",
172	pDevIns->pReg->szName, pDevIns->iInstance, cPorts, fFlags, pPciDev, iPciRegion, pfnOut, pfnIn, pfnOutStr, pfnInStr,
173	pvUser, pszDesc, pszDesc, paExtDescs, phIoPorts));
174	PVM pVM = pDevIns->Internal.s.pVMR3;
175	VM_ASSERT_EMT0_RETURN(pVM, VERR_VM_THREAD_NOT_EMT);
176	VM_ASSERT_STATE_RETURN(pVM, VMSTATE_CREATING, VERR_VM_INVALID_VM_STATE);
177
178	int rc = VINF_SUCCESS;
179	if (pDevIns->Internal.s.idxDbgfTraceTrackNext < pDevIns->Internal.s.cDbgfTraceTrackMax)
180	{
181	PPDMDEVINSDBGFTRACK pTrack = &pDevIns->Internal.s.paDbgfTraceTrack[pDevIns->Internal.s.idxDbgfTraceTrackNext];
182
183	rc = IOMR3IoPortCreate(pVM, pDevIns, cPorts, fFlags, pPciDev, iPciRegion,
184	pfnOut ? pdmR3DevHlpTracing_IoPortNewOut : NULL,
185	pfnIn ? pdmR3DevHlpTracing_IoPortNewIn : NULL,
186	pfnOutStr ? pdmR3DevHlpTracing_IoPortNewOutStr : NULL,
187	pfnInStr ? pdmR3DevHlpTracing_IoPortNewInStr : NULL,
188	pTrack, pszDesc, paExtDescs, phIoPorts);
189	if (RT_SUCCESS(rc))
190	{
191	pTrack->fMmio = false;
192	pTrack->pvUser = pvUser;
193	pTrack->u.IoPort.hIoPorts = *phIoPorts;
194	pTrack->u.IoPort.pfnOut = pfnOut;
195	pTrack->u.IoPort.pfnIn = pfnIn;
196	pTrack->u.IoPort.pfnOutStr = pfnOutStr;
197	pTrack->u.IoPort.pfnInStr = pfnInStr;
198	pDevIns->Internal.s.idxDbgfTraceTrackNext++;
199	DBGFR3TracerEvtIoPortCreate(pVM, pDevIns->Internal.s.hDbgfTraceEvtSrc, *phIoPorts, cPorts, fFlags, iPciRegion);
200	}
201	}
202	else
203	rc = VERR_OUT_OF_RESOURCES;
204
205	LogFlow(("pdmR3DevHlpTracing_IoPortCreateEx: caller='%s'/%d: returns %Rrc (*phIoPorts=%#x)\n",
206	pDevIns->pReg->szName, pDevIns->iInstance, rc, *phIoPorts));
207	return rc;
208	}
209
210
211	/** @interface_method_impl{PDMDEVHLPR3,pfnIoPortMap} */
212	DECL_HIDDEN_CALLBACK(int) pdmR3DevHlpTracing_IoPortMap(PPDMDEVINS pDevIns, IOMIOPORTHANDLE hIoPorts, RTIOPORT Port)
213	{
214	PDMDEV_ASSERT_DEVINS(pDevIns);
215	LogFlow(("pdmR3DevHlp_IoPortMap: caller='%s'/%d: hIoPorts=%#x Port=%#x\n", pDevIns->pReg->szName, pDevIns->iInstance, hIoPorts, Port));
216	PVM pVM = pDevIns->Internal.s.pVMR3;
217	VM_ASSERT_EMT_RETURN(pVM, VERR_VM_THREAD_NOT_EMT);
218
219	int rc = IOMR3IoPortMap(pVM, pDevIns, hIoPorts, Port);
220	DBGFTracerEvtIoPortMap(pVM, pDevIns->Internal.s.hDbgfTraceEvtSrc, hIoPorts, Port);
221
222	LogFlow(("pdmR3DevHlp_IoPortMap: caller='%s'/%d: returns %Rrc\n", pDevIns->pReg->szName, pDevIns->iInstance, rc));
223	return rc;
224	}
225
226
227	/** @interface_method_impl{PDMDEVHLPR3,pfnIoPortUnmap} */
228	DECL_HIDDEN_CALLBACK(int) pdmR3DevHlpTracing_IoPortUnmap(PPDMDEVINS pDevIns, IOMIOPORTHANDLE hIoPorts)
229	{
230	PDMDEV_ASSERT_DEVINS(pDevIns);
231	LogFlow(("pdmR3DevHlp_IoPortMap: caller='%s'/%d: hIoPorts=%#x\n", pDevIns->pReg->szName, pDevIns->iInstance, hIoPorts));
232	PVM pVM = pDevIns->Internal.s.pVMR3;
233	VM_ASSERT_EMT_RETURN(pVM, VERR_VM_THREAD_NOT_EMT);
234
235	int rc = IOMR3IoPortUnmap(pVM, pDevIns, hIoPorts);
236	DBGFTracerEvtIoPortUnmap(pVM, pDevIns->Internal.s.hDbgfTraceEvtSrc, hIoPorts);
237
238	LogFlow(("pdmR3DevHlp_IoPortMap: caller='%s'/%d: returns %Rrc\n", pDevIns->pReg->szName, pDevIns->iInstance, rc));
239	return rc;
240	}
241
242
243	/** @interface_method_impl{PDMDEVHLPR3,pfnMmioCreateEx} */
244	DECL_HIDDEN_CALLBACK(int)
245	pdmR3DevHlpTracing_MmioCreateEx(PPDMDEVINS pDevIns, RTGCPHYS cbRegion,
246	uint32_t fFlags, PPDMPCIDEV pPciDev, uint32_t iPciRegion,
247	PFNIOMMMIONEWWRITE pfnWrite, PFNIOMMMIONEWREAD pfnRead, PFNIOMMMIONEWFILL pfnFill,
248	void pvUser, const char pszDesc, PIOMMMIOHANDLE phRegion)
249	{
250	PDMDEV_ASSERT_DEVINS(pDevIns);
251	LogFlow(("pdmR3DevHlp_MmioCreateEx: caller='%s'/%d: cbRegion=%#RGp fFlags=%#x pPciDev=%p iPciRegion=%#x pfnWrite=%p pfnRead=%p pfnFill=%p pvUser=%p pszDesc=%p:{%s} phRegion=%p\n",
252	pDevIns->pReg->szName, pDevIns->iInstance, cbRegion, fFlags, pPciDev, iPciRegion, pfnWrite, pfnRead, pfnFill, pvUser, pszDesc, pszDesc, phRegion));
253	PVM pVM = pDevIns->Internal.s.pVMR3;
254	VM_ASSERT_EMT0_RETURN(pVM, VERR_VM_THREAD_NOT_EMT);
255	VM_ASSERT_STATE_RETURN(pVM, VMSTATE_CREATING, VERR_VM_INVALID_VM_STATE);
256
257	/* HACK ALERT! Round the size up to page size. The PCI bus should do something similar before mapping it. */
258	/** @todo It's possible we need to do dummy MMIO fill-in of the PCI bus or
259	* guest adds more alignment to an region. */
260	cbRegion = RT_ALIGN_T(cbRegion, PAGE_SIZE, RTGCPHYS);
261
262	int rc = VINF_SUCCESS;
263	if (pDevIns->Internal.s.idxDbgfTraceTrackNext < pDevIns->Internal.s.cDbgfTraceTrackMax)
264	{
265	PPDMDEVINSDBGFTRACK pTrack = &pDevIns->Internal.s.paDbgfTraceTrack[pDevIns->Internal.s.idxDbgfTraceTrackNext];
266
267	rc = IOMR3MmioCreate(pVM, pDevIns, cbRegion, fFlags, pPciDev, iPciRegion,
268	pfnWrite ? pdmR3DevHlpTracing_MmioWrite : NULL,
269	pfnRead ? pdmR3DevHlpTracing_MmioRead : NULL,
270	pfnFill ? pdmR3DevHlpTracing_MmioFill : NULL,
271	pTrack, pszDesc, phRegion);
272	if (RT_SUCCESS(rc))
273	{
274	pTrack->fMmio = true;
275	pTrack->pvUser = pvUser;
276	pTrack->u.Mmio.hMmioRegion = *phRegion;
277	pTrack->u.Mmio.pfnWrite = pfnWrite;
278	pTrack->u.Mmio.pfnRead = pfnRead;
279	pTrack->u.Mmio.pfnFill = pfnFill;
280	pDevIns->Internal.s.idxDbgfTraceTrackNext++;
281	DBGFR3TracerEvtMmioCreate(pVM, pDevIns->Internal.s.hDbgfTraceEvtSrc, *phRegion, cbRegion, fFlags, iPciRegion);
282	}
283	}
284	else
285	rc = VERR_OUT_OF_RESOURCES;
286
287	LogFlow(("pdmR3DevHlp_MmioCreateEx: caller='%s'/%d: returns %Rrc (*phRegion=%#x)\n",
288	pDevIns->pReg->szName, pDevIns->iInstance, rc, *phRegion));
289	return rc;
290	}
291
292
293	/** @interface_method_impl{PDMDEVHLPR3,pfnMmioMap} */
294	DECL_HIDDEN_CALLBACK(int) pdmR3DevHlpTracing_MmioMap(PPDMDEVINS pDevIns, IOMMMIOHANDLE hRegion, RTGCPHYS GCPhys)
295	{
296	PDMDEV_ASSERT_DEVINS(pDevIns);
297	LogFlow(("pdmR3DevHlp_MmioMap: caller='%s'/%d: hRegion=%#x GCPhys=%#RGp\n", pDevIns->pReg->szName, pDevIns->iInstance, hRegion, GCPhys));
298	PVM pVM = pDevIns->Internal.s.pVMR3;
299	VM_ASSERT_EMT_RETURN(pVM, VERR_VM_THREAD_NOT_EMT);
300
301	int rc = IOMR3MmioMap(pVM, pDevIns, hRegion, GCPhys);
302	DBGFTracerEvtMmioMap(pVM, pDevIns->Internal.s.hDbgfTraceEvtSrc, hRegion, GCPhys);
303
304	LogFlow(("pdmR3DevHlp_MmioMap: caller='%s'/%d: returns %Rrc\n", pDevIns->pReg->szName, pDevIns->iInstance, rc));
305	return rc;
306	}
307
308
309	/** @interface_method_impl{PDMDEVHLPR3,pfnMmioUnmap} */
310	DECL_HIDDEN_CALLBACK(int) pdmR3DevHlpTracing_MmioUnmap(PPDMDEVINS pDevIns, IOMMMIOHANDLE hRegion)
311	{
312	PDMDEV_ASSERT_DEVINS(pDevIns);
313	LogFlow(("pdmR3DevHlp_MmioUnmap: caller='%s'/%d: hRegion=%#x\n", pDevIns->pReg->szName, pDevIns->iInstance, hRegion));
314	PVM pVM = pDevIns->Internal.s.pVMR3;
315	VM_ASSERT_EMT_RETURN(pVM, VERR_VM_THREAD_NOT_EMT);
316
317	int rc = IOMR3MmioUnmap(pVM, pDevIns, hRegion);
318	DBGFTracerEvtMmioUnmap(pVM, pDevIns->Internal.s.hDbgfTraceEvtSrc, hRegion);
319
320	LogFlow(("pdmR3DevHlp_MmioUnmap: caller='%s'/%d: returns %Rrc\n", pDevIns->pReg->szName, pDevIns->iInstance, rc));
321	return rc;
322	}
323
324
325	/** @interface_method_impl{PDMDEVHLPR3,pfnPhysRead} */
326	DECL_HIDDEN_CALLBACK(int)
327	pdmR3DevHlpTracing_PhysRead(PPDMDEVINS pDevIns, RTGCPHYS GCPhys, void *pvBuf, size_t cbRead, uint32_t fFlags)
328	{
329	RT_NOREF(fFlags);
330
331	PDMDEV_ASSERT_DEVINS(pDevIns);
332	PVM pVM = pDevIns->Internal.s.pVMR3;
333	LogFlow(("pdmR3DevHlp_PhysRead: caller='%s'/%d: GCPhys=%RGp pvBuf=%p cbRead=%#x\n",
334	pDevIns->pReg->szName, pDevIns->iInstance, GCPhys, pvBuf, cbRead));
335
336	#if defined(VBOX_STRICT) && defined(PDM_DEVHLP_DEADLOCK_DETECTION)
337	if (!VM_IS_EMT(pVM))
338	{
339	char szNames[128];
340	uint32_t cLocks = PDMR3CritSectCountOwned(pVM, szNames, sizeof(szNames));
341	AssertMsg(cLocks == 0, ("cLocks=%u %s\n", cLocks, szNames));
342	}
343	#endif
344
345	VBOXSTRICTRC rcStrict;
346	if (VM_IS_EMT(pVM))
347	rcStrict = PGMPhysRead(pVM, GCPhys, pvBuf, cbRead, PGMACCESSORIGIN_DEVICE);
348	else
349	rcStrict = PGMR3PhysReadExternal(pVM, GCPhys, pvBuf, cbRead, PGMACCESSORIGIN_DEVICE);
350	AssertMsg(rcStrict == VINF_SUCCESS, ("%Rrc\n", VBOXSTRICTRC_VAL(rcStrict))); /** @todo track down the users for this bugger. */
351
352	if (!(fFlags & PDM_DEVHLP_PHYS_RW_F_DATA_USER))
353	DBGFTracerEvtGCPhysRead(pVM, pDevIns->Internal.s.hDbgfTraceEvtSrc, GCPhys, pvBuf, cbRead);
354
355	Log(("pdmR3DevHlp_PhysRead: caller='%s'/%d: returns %Rrc\n", pDevIns->pReg->szName, pDevIns->iInstance, VBOXSTRICTRC_VAL(rcStrict) ));
356	return VBOXSTRICTRC_VAL(rcStrict);
357	}
358
359
360	/** @interface_method_impl{PDMDEVHLPR3,pfnPhysWrite} */
361	DECL_HIDDEN_CALLBACK(int)
362	pdmR3DevHlpTracing_PhysWrite(PPDMDEVINS pDevIns, RTGCPHYS GCPhys, const void *pvBuf, size_t cbWrite, uint32_t fFlags)
363	{
364	RT_NOREF(fFlags);
365
366	PDMDEV_ASSERT_DEVINS(pDevIns);
367	PVM pVM = pDevIns->Internal.s.pVMR3;
368	LogFlow(("pdmR3DevHlp_PhysWrite: caller='%s'/%d: GCPhys=%RGp pvBuf=%p cbWrite=%#x\n",
369	pDevIns->pReg->szName, pDevIns->iInstance, GCPhys, pvBuf, cbWrite));
370
371	#if defined(VBOX_STRICT) && defined(PDM_DEVHLP_DEADLOCK_DETECTION)
372	if (!VM_IS_EMT(pVM))
373	{
374	char szNames[128];
375	uint32_t cLocks = PDMR3CritSectCountOwned(pVM, szNames, sizeof(szNames));
376	AssertMsg(cLocks == 0, ("cLocks=%u %s\n", cLocks, szNames));
377	}
378	#endif
379
380	VBOXSTRICTRC rcStrict;
381	if (VM_IS_EMT(pVM))
382	rcStrict = PGMPhysWrite(pVM, GCPhys, pvBuf, cbWrite, PGMACCESSORIGIN_DEVICE);
383	else
384	rcStrict = PGMR3PhysWriteExternal(pVM, GCPhys, pvBuf, cbWrite, PGMACCESSORIGIN_DEVICE);
385	AssertMsg(rcStrict == VINF_SUCCESS, ("%Rrc\n", VBOXSTRICTRC_VAL(rcStrict))); /** @todo track down the users for this bugger. */
386
387	if (!(fFlags & PDM_DEVHLP_PHYS_RW_F_DATA_USER))
388	DBGFTracerEvtGCPhysWrite(pVM, pDevIns->Internal.s.hDbgfTraceEvtSrc, GCPhys, pvBuf, cbWrite);
389
390	Log(("pdmR3DevHlp_PhysWrite: caller='%s'/%d: returns %Rrc\n", pDevIns->pReg->szName, pDevIns->iInstance, VBOXSTRICTRC_VAL(rcStrict) ));
391	return VBOXSTRICTRC_VAL(rcStrict);
392	}
393
394
395	/** @interface_method_impl{PDMDEVHLPR3,pfnPCIPhysRead} */
396	DECL_HIDDEN_CALLBACK(int)
397	pdmR3DevHlpTracing_PCIPhysRead(PPDMDEVINS pDevIns, PPDMPCIDEV pPciDev, RTGCPHYS GCPhys, void *pvBuf, size_t cbRead, uint32_t fFlags)
398	{
399	PDMDEV_ASSERT_DEVINS(pDevIns);
400	if (!pPciDev) /* NULL is an alias for the default PCI device. */
401	pPciDev = pDevIns->apPciDevs[0];
402	AssertReturn(pPciDev, VERR_PDM_NOT_PCI_DEVICE);
403	PDMPCIDEV_ASSERT_VALID_AND_REGISTERED(pDevIns, pPciDev);
404
405	#ifndef PDM_DO_NOT_RESPECT_PCI_BM_BIT
406	/*
407	* Just check the busmaster setting here and forward the request to the generic read helper.
408	*/
409	if (PCIDevIsBusmaster(pPciDev))
410	{ /* likely */ }
411	else
412	{
413	LogFunc(("caller='%s'/%d: returns %Rrc - Not bus master! GCPhys=%RGp cbRead=%#zx\n", pDevIns->pReg->szName,
414	pDevIns->iInstance, VERR_PDM_NOT_PCI_BUS_MASTER, GCPhys, cbRead));
415	memset(pvBuf, 0xff, cbRead);
416	return VERR_PDM_NOT_PCI_BUS_MASTER;
417	}
418	#endif
419
420	#if defined(VBOX_WITH_IOMMU_AMD) \|\| defined(VBOX_WITH_IOMMU_INTEL)
421	int rc = pdmIommuMemAccessRead(pDevIns, pPciDev, GCPhys, pvBuf, cbRead, fFlags);
422	if ( rc == VERR_IOMMU_NOT_PRESENT
423	\|\| rc == VERR_IOMMU_CANNOT_CALL_SELF)
424	{ /* likely - ASSUMING most VMs won't be configured with an IOMMU. */ }
425	else
426	return rc;
427	#endif
428
429	return pDevIns->pHlpR3->pfnPhysRead(pDevIns, GCPhys, pvBuf, cbRead, fFlags);
430	}
431
432
433	/** @interface_method_impl{PDMDEVHLPR3,pfnPCIPhysWrite} */
434	DECL_HIDDEN_CALLBACK(int)
435	pdmR3DevHlpTracing_PCIPhysWrite(PPDMDEVINS pDevIns, PPDMPCIDEV pPciDev, RTGCPHYS GCPhys, const void *pvBuf, size_t cbWrite, uint32_t fFlags)
436	{
437	PDMDEV_ASSERT_DEVINS(pDevIns);
438	if (!pPciDev) /* NULL is an alias for the default PCI device. */
439	pPciDev = pDevIns->apPciDevs[0];
440	AssertReturn(pPciDev, VERR_PDM_NOT_PCI_DEVICE);
441	PDMPCIDEV_ASSERT_VALID_AND_REGISTERED(pDevIns, pPciDev);
442
443	#ifndef PDM_DO_NOT_RESPECT_PCI_BM_BIT
444	/*
445	* Just check the busmaster setting here and forward the request to the generic read helper.
446	*/
447	if (PCIDevIsBusmaster(pPciDev))
448	{ /* likely */ }
449	else
450	{
451	Log(("pdmR3DevHlp_PCIPhysWrite: caller='%s'/%d: returns %Rrc - Not bus master! GCPhys=%RGp cbWrite=%#zx\n",
452	pDevIns->pReg->szName, pDevIns->iInstance, VERR_PDM_NOT_PCI_BUS_MASTER, GCPhys, cbWrite));
453	return VERR_PDM_NOT_PCI_BUS_MASTER;
454	}
455	#endif
456
457	#if defined(VBOX_WITH_IOMMU_AMD) \|\| defined(VBOX_WITH_IOMMU_INTEL)
458	int rc = pdmIommuMemAccessWrite(pDevIns, pPciDev, GCPhys, pvBuf, cbWrite, fFlags);
459	if ( rc == VERR_IOMMU_NOT_PRESENT
460	\|\| rc == VERR_IOMMU_CANNOT_CALL_SELF)
461	{ /* likely - ASSUMING most VMs won't be configured with an IOMMU. */ }
462	else
463	return rc;
464	#endif
465
466	return pDevIns->pHlpR3->pfnPhysWrite(pDevIns, GCPhys, pvBuf, cbWrite, fFlags);
467	}
468
469
470	/** @interface_method_impl{PDMDEVHLPR3,pfnPCISetIrq} */
471	DECL_HIDDEN_CALLBACK(void) pdmR3DevHlpTracing_PCISetIrq(PPDMDEVINS pDevIns, PPDMPCIDEV pPciDev, int iIrq, int iLevel)
472	{
473	PDMDEV_ASSERT_DEVINS(pDevIns);
474	if (!pPciDev) /* NULL is an alias for the default PCI device. */
475	pPciDev = pDevIns->apPciDevs[0];
476	AssertReturnVoid(pPciDev);
477	LogFlow(("pdmR3DevHlp_PCISetIrq: caller='%s'/%d: pPciDev=%p:{%#x} iIrq=%d iLevel=%d\n",
478	pDevIns->pReg->szName, pDevIns->iInstance, pPciDev, pPciDev->uDevFn, iIrq, iLevel));
479	PDMPCIDEV_ASSERT_VALID_AND_REGISTERED(pDevIns, pPciDev);
480
481	/*
482	* Validate input.
483	*/
484	Assert(iIrq == 0);
485	Assert((uint32_t)iLevel <= PDM_IRQ_LEVEL_FLIP_FLOP);
486
487	/*
488	* Must have a PCI device registered!
489	*/
490	PVM pVM = pDevIns->Internal.s.pVMR3;
491	size_t const idxBus = pPciDev->Int.s.idxPdmBus;
492	AssertReturnVoid(idxBus < RT_ELEMENTS(pVM->pdm.s.aPciBuses));
493	PPDMPCIBUS pBus = &pVM->pdm.s.aPciBuses[idxBus];
494
495	DBGFTracerEvtIrq(pVM, pDevIns->Internal.s.hDbgfTraceEvtSrc, iIrq, iLevel);
496
497	pdmLock(pVM);
498	uint32_t uTagSrc;
499	if (iLevel & PDM_IRQ_LEVEL_HIGH)
500	{
501	pDevIns->Internal.s.uLastIrqTag = uTagSrc = pdmCalcIrqTag(pVM, pDevIns->idTracing);
502	if (iLevel == PDM_IRQ_LEVEL_HIGH)
503	VBOXVMM_PDM_IRQ_HIGH(VMMGetCpu(pVM), RT_LOWORD(uTagSrc), RT_HIWORD(uTagSrc));
504	else
505	VBOXVMM_PDM_IRQ_HILO(VMMGetCpu(pVM), RT_LOWORD(uTagSrc), RT_HIWORD(uTagSrc));
506	}
507	else
508	uTagSrc = pDevIns->Internal.s.uLastIrqTag;
509
510	pBus->pfnSetIrqR3(pBus->pDevInsR3, pPciDev, iIrq, iLevel, uTagSrc);
511
512	if (iLevel == PDM_IRQ_LEVEL_LOW)
513	VBOXVMM_PDM_IRQ_LOW(VMMGetCpu(pVM), RT_LOWORD(uTagSrc), RT_HIWORD(uTagSrc));
514	pdmUnlock(pVM);
515
516	LogFlow(("pdmR3DevHlp_PCISetIrq: caller='%s'/%d: returns void\n", pDevIns->pReg->szName, pDevIns->iInstance));
517	}
518
519
520	/** @interface_method_impl{PDMDEVHLPR3,pfnPCISetIrqNoWait} */
521	DECL_HIDDEN_CALLBACK(void) pdmR3DevHlpTracing_PCISetIrqNoWait(PPDMDEVINS pDevIns, PPDMPCIDEV pPciDev, int iIrq, int iLevel)
522	{
523	pdmR3DevHlpTracing_PCISetIrq(pDevIns, pPciDev, iIrq, iLevel);
524	}
525
526
527	/** @interface_method_impl{PDMDEVHLPR3,pfnISASetIrq} */
528	DECL_HIDDEN_CALLBACK(void) pdmR3DevHlpTracing_ISASetIrq(PPDMDEVINS pDevIns, int iIrq, int iLevel)
529	{
530	PDMDEV_ASSERT_DEVINS(pDevIns);
531	LogFlow(("pdmR3DevHlp_ISASetIrq: caller='%s'/%d: iIrq=%d iLevel=%d\n", pDevIns->pReg->szName, pDevIns->iInstance, iIrq, iLevel));
532
533	/*
534	* Validate input.
535	*/
536	Assert(iIrq < 16);
537	Assert((uint32_t)iLevel <= PDM_IRQ_LEVEL_FLIP_FLOP);
538
539	PVM pVM = pDevIns->Internal.s.pVMR3;
540
541	DBGFTracerEvtIrq(pVM, pDevIns->Internal.s.hDbgfTraceEvtSrc, iIrq, iLevel);
542
543	/*
544	* Do the job.
545	*/
546	pdmLock(pVM);
547	uint32_t uTagSrc;
548	if (iLevel & PDM_IRQ_LEVEL_HIGH)
549	{
550	pDevIns->Internal.s.uLastIrqTag = uTagSrc = pdmCalcIrqTag(pVM, pDevIns->idTracing);
551	if (iLevel == PDM_IRQ_LEVEL_HIGH)
552	VBOXVMM_PDM_IRQ_HIGH(VMMGetCpu(pVM), RT_LOWORD(uTagSrc), RT_HIWORD(uTagSrc));
553	else
554	VBOXVMM_PDM_IRQ_HILO(VMMGetCpu(pVM), RT_LOWORD(uTagSrc), RT_HIWORD(uTagSrc));
555	}
556	else
557	uTagSrc = pDevIns->Internal.s.uLastIrqTag;
558
559	PDMIsaSetIrq(pVM, iIrq, iLevel, uTagSrc); /* (The API takes the lock recursively.) */
560
561	if (iLevel == PDM_IRQ_LEVEL_LOW)
562	VBOXVMM_PDM_IRQ_LOW(VMMGetCpu(pVM), RT_LOWORD(uTagSrc), RT_HIWORD(uTagSrc));
563	pdmUnlock(pVM);
564
565	LogFlow(("pdmR3DevHlp_ISASetIrq: caller='%s'/%d: returns void\n", pDevIns->pReg->szName, pDevIns->iInstance));
566	}
567
568
569	/** @interface_method_impl{PDMDEVHLPR3,pfnISASetIrqNoWait} */
570	DECL_HIDDEN_CALLBACK(void) pdmR3DevHlpTracing_ISASetIrqNoWait(PPDMDEVINS pDevIns, int iIrq, int iLevel)
571	{
572	pdmR3DevHlpTracing_ISASetIrq(pDevIns, iIrq, iLevel);
573	}
574
575
576	/** @} */
577

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source: vbox/trunk/src/VBox/VMM/VMMR3/PDMDevHlpTracing.cpp@ 88639

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