PDMDriver.cpp@ 29560

Last change on this file since 29560 was 29521, checked in by vboxsync, 15 years ago
PDM: Added PDMDevHlpCallR0 and PDMDEV_VALIDATE_CONFIG_RETURN.
Property svn:eol-style set to `native` Property svn:keywords set to `Id`
File size: 53.7 KB

Line
1	/* $Id: PDMDriver.cpp 29521 2010-05-17 10:14:22Z vboxsync $ */
2	/** @file
3	* PDM - Pluggable Device and Driver Manager, Driver parts.
4	*/
5
6	/*
7	* Copyright (C) 2006-2010 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_DRIVER
23	#include "PDMInternal.h"
24	#include <VBox/pdm.h>
25	#include <VBox/mm.h>
26	#include <VBox/cfgm.h>
27	#include <VBox/vmm.h>
28	#include <VBox/sup.h>
29	#include <VBox/vm.h>
30	#include <VBox/version.h>
31	#include <VBox/err.h>
32
33	#include <VBox/log.h>
34	#include <iprt/assert.h>
35	#include <iprt/asm.h>
36	#include <iprt/ctype.h>
37	#include <iprt/mem.h>
38	#include <iprt/thread.h>
39	#include <iprt/path.h>
40	#include <iprt/string.h>
41
42
43	/*******************************************************************************
44	* Structures and Typedefs *
45	*******************************************************************************/
46	/**
47	* Internal callback structure pointer.
48	*
49	* The main purpose is to define the extra data we associate
50	* with PDMDRVREGCB so we can find the VM instance and so on.
51	*/
52	typedef struct PDMDRVREGCBINT
53	{
54	/** The callback structure. */
55	PDMDRVREGCB Core;
56	/** A bit of padding. */
57	uint32_t u32[4];
58	/** VM Handle. */
59	PVM pVM;
60	} PDMDRVREGCBINT, *PPDMDRVREGCBINT;
61	typedef const PDMDRVREGCBINT *PCPDMDRVREGCBINT;
62
63
64	/*******************************************************************************
65	* Internal Functions *
66	*******************************************************************************/
67	static DECLCALLBACK(int) pdmR3DrvRegister(PCPDMDRVREGCB pCallbacks, PCPDMDRVREG pReg);
68	static int pdmR3DrvLoad(PVM pVM, PPDMDRVREGCBINT pRegCB, const char pszFilename, const char pszName);
69
70
71
72	/**
73	* Register external drivers
74	*
75	* @returns VBox status code.
76	* @param pVM The VM to operate on.
77	* @param pfnCallback Driver registration callback
78	*/
79	VMMR3DECL(int) PDMR3RegisterDrivers(PVM pVM, FNPDMVBOXDRIVERSREGISTER pfnCallback)
80	{
81	/*
82	* The registration callbacks.
83	*/
84	PDMDRVREGCBINT RegCB;
85	RegCB.Core.u32Version = PDM_DRVREG_CB_VERSION;
86	RegCB.Core.pfnRegister = pdmR3DrvRegister;
87	RegCB.pVM = pVM;
88
89	int rc = pfnCallback(&RegCB.Core, VBOX_VERSION);
90	if (RT_FAILURE(rc))
91	AssertMsgFailed(("VBoxDriversRegister failed with rc=%Rrc\n"));
92
93	return rc;
94	}
95
96	/**
97	* This function will initialize the drivers for this VM instance.
98	*
99	* First of all this mean loading the builtin drivers and letting them
100	* register themselves. Beyond that any additional driver modules are
101	* loaded and called for registration.
102	*
103	* @returns VBox status code.
104	* @param pVM VM Handle.
105	*/
106	int pdmR3DrvInit(PVM pVM)
107	{
108	LogFlow(("pdmR3DrvInit:\n"));
109
110	AssertRelease(!(RT_OFFSETOF(PDMDRVINS, achInstanceData) & 15));
111	PPDMDRVINS pDrvInsAssert;
112	AssertRelease(sizeof(pDrvInsAssert->Internal.s) <= sizeof(pDrvInsAssert->Internal.padding));
113
114	/*
115	* The registration callbacks.
116	*/
117	PDMDRVREGCBINT RegCB;
118	RegCB.Core.u32Version = PDM_DRVREG_CB_VERSION;
119	RegCB.Core.pfnRegister = pdmR3DrvRegister;
120	RegCB.pVM = pVM;
121
122	/*
123	* Load the builtin module
124	*/
125	PCFGMNODE pDriversNode = CFGMR3GetChild(CFGMR3GetRoot(pVM), "PDM/Drivers");
126	bool fLoadBuiltin;
127	int rc = CFGMR3QueryBool(pDriversNode, "LoadBuiltin", &fLoadBuiltin);
128	if (rc == VERR_CFGM_VALUE_NOT_FOUND \|\| rc == VERR_CFGM_NO_PARENT)
129	fLoadBuiltin = true;
130	else if (RT_FAILURE(rc))
131	{
132	AssertMsgFailed(("Configuration error: Querying boolean \"LoadBuiltin\" failed with %Rrc\n", rc));
133	return rc;
134	}
135	if (fLoadBuiltin)
136	{
137	/* make filename */
138	char pszFilename = pdmR3FileR3("VBoxDD", /fShared=*/true);
139	if (!pszFilename)
140	return VERR_NO_TMP_MEMORY;
141	rc = pdmR3DrvLoad(pVM, &RegCB, pszFilename, "VBoxDD");
142	RTMemTmpFree(pszFilename);
143	if (RT_FAILURE(rc))
144	return rc;
145	}
146
147	/*
148	* Load additional driver modules.
149	*/
150	for (PCFGMNODE pCur = CFGMR3GetFirstChild(pDriversNode); pCur; pCur = CFGMR3GetNextChild(pCur))
151	{
152	/*
153	* Get the name and path.
154	*/
155	char szName[PDMMOD_NAME_LEN];
156	rc = CFGMR3GetName(pCur, &szName[0], sizeof(szName));
157	if (rc == VERR_CFGM_NOT_ENOUGH_SPACE)
158	{
159	AssertMsgFailed(("configuration error: The module name is too long, cchName=%zu.\n", CFGMR3GetNameLen(pCur)));
160	return VERR_PDM_MODULE_NAME_TOO_LONG;
161	}
162	else if (RT_FAILURE(rc))
163	{
164	AssertMsgFailed(("CFGMR3GetName -> %Rrc.\n", rc));
165	return rc;
166	}
167
168	/* the path is optional, if no path the module name + path is used. */
169	char szFilename[RTPATH_MAX];
170	rc = CFGMR3QueryString(pCur, "Path", &szFilename[0], sizeof(szFilename));
171	if (rc == VERR_CFGM_VALUE_NOT_FOUND \|\| rc == VERR_CFGM_NO_PARENT)
172	strcpy(szFilename, szName);
173	else if (RT_FAILURE(rc))
174	{
175	AssertMsgFailed(("configuration error: Failure to query the module path, rc=%Rrc.\n", rc));
176	return rc;
177	}
178
179	/* prepend path? */
180	if (!RTPathHavePath(szFilename))
181	{
182	char *psz = pdmR3FileR3(szFilename);
183	if (!psz)
184	return VERR_NO_TMP_MEMORY;
185	size_t cch = strlen(psz) + 1;
186	if (cch > sizeof(szFilename))
187	{
188	RTMemTmpFree(psz);
189	AssertMsgFailed(("Filename too long! cch=%d '%s'\n", cch, psz));
190	return VERR_FILENAME_TOO_LONG;
191	}
192	memcpy(szFilename, psz, cch);
193	RTMemTmpFree(psz);
194	}
195
196	/*
197	* Load the module and register it's drivers.
198	*/
199	rc = pdmR3DrvLoad(pVM, &RegCB, szFilename, szName);
200	if (RT_FAILURE(rc))
201	return rc;
202	}
203
204	LogFlow(("pdmR3DrvInit: returns VINF_SUCCESS\n"));
205	return VINF_SUCCESS;
206	}
207
208
209	/**
210	* Loads one driver module and call the registration entry point.
211	*
212	* @returns VBox status code.
213	* @param pVM VM handle.
214	* @param pRegCB The registration callback stuff.
215	* @param pszFilename Module filename.
216	* @param pszName Module name.
217	*/
218	static int pdmR3DrvLoad(PVM pVM, PPDMDRVREGCBINT pRegCB, const char pszFilename, const char pszName)
219	{
220	/*
221	* Load it.
222	*/
223	int rc = pdmR3LoadR3U(pVM->pUVM, pszFilename, pszName);
224	if (RT_SUCCESS(rc))
225	{
226	/*
227	* Get the registration export and call it.
228	*/
229	FNPDMVBOXDRIVERSREGISTER *pfnVBoxDriversRegister;
230	rc = PDMR3LdrGetSymbolR3(pVM, pszName, "VBoxDriversRegister", (void **)&pfnVBoxDriversRegister);
231	if (RT_SUCCESS(rc))
232	{
233	Log(("PDM: Calling VBoxDriversRegister (%p) of %s (%s)\n", pfnVBoxDriversRegister, pszName, pszFilename));
234	rc = pfnVBoxDriversRegister(&pRegCB->Core, VBOX_VERSION);
235	if (RT_SUCCESS(rc))
236	Log(("PDM: Successfully loaded driver module %s (%s).\n", pszName, pszFilename));
237	else
238	AssertMsgFailed(("VBoxDriversRegister failed with rc=%Rrc\n"));
239	}
240	else
241	{
242	AssertMsgFailed(("Failed to locate 'VBoxDriversRegister' in %s (%s) rc=%Rrc\n", pszName, pszFilename, rc));
243	if (rc == VERR_SYMBOL_NOT_FOUND)
244	rc = VERR_PDM_NO_REGISTRATION_EXPORT;
245	}
246	}
247	else
248	AssertMsgFailed(("Failed to load %s (%s) rc=%Rrc!\n", pszName, pszFilename, rc));
249	return rc;
250	}
251
252
253	/** @interface_method_impl{PDMDRVREGCB,pfnRegister} */
254	static DECLCALLBACK(int) pdmR3DrvRegister(PCPDMDRVREGCB pCallbacks, PCPDMDRVREG pReg)
255	{
256	/*
257	* Validate the registration structure.
258	*/
259	AssertPtrReturn(pReg, VERR_INVALID_POINTER);
260	AssertMsgReturn(pReg->u32Version == PDM_DRVREG_VERSION,
261	("%#x\n", pReg->u32Version),
262	VERR_PDM_UNKNOWN_DRVREG_VERSION);
263	AssertReturn(pReg->szName[0], VERR_PDM_INVALID_DRIVER_REGISTRATION);
264	AssertMsgReturn(memchr(pReg->szName, '\0', sizeof(pReg->szName)),
265	(".*s\n", sizeof(pReg->szName), pReg->szName),
266	VERR_PDM_INVALID_DRIVER_REGISTRATION);
267	AssertMsgReturn( !(pReg->fFlags & PDM_DRVREG_FLAGS_R0)
268	\|\| ( pReg->szR0Mod[0]
269	&& memchr(pReg->szR0Mod, '\0', sizeof(pReg->szR0Mod))),
270	("%s: %.*s\n", pReg->szName, sizeof(pReg->szR0Mod), pReg->szR0Mod),
271	VERR_PDM_INVALID_DRIVER_REGISTRATION);
272	AssertMsgReturn( !(pReg->fFlags & PDM_DRVREG_FLAGS_RC)
273	\|\| ( pReg->szRCMod[0]
274	&& memchr(pReg->szRCMod, '\0', sizeof(pReg->szRCMod))),
275	("%s: %.*s\n", pReg->szName, sizeof(pReg->szRCMod), pReg->szRCMod),
276	VERR_PDM_INVALID_DRIVER_REGISTRATION);
277	AssertMsgReturn(VALID_PTR(pReg->pszDescription),
278	("%s: %p\n", pReg->szName, pReg->pszDescription),
279	VERR_PDM_INVALID_DRIVER_REGISTRATION);
280	AssertMsgReturn(!(pReg->fFlags & ~(PDM_DRVREG_FLAGS_HOST_BITS_MASK \| PDM_DRVREG_FLAGS_R0 \| PDM_DRVREG_FLAGS_RC)),
281	("%s: %#x\n", pReg->szName, pReg->fFlags),
282	VERR_PDM_INVALID_DRIVER_REGISTRATION);
283	AssertMsgReturn((pReg->fFlags & PDM_DRVREG_FLAGS_HOST_BITS_MASK) == PDM_DRVREG_FLAGS_HOST_BITS_DEFAULT,
284	("%s: %#x\n", pReg->szName, pReg->fFlags),
285	VERR_PDM_INVALID_DRIVER_HOST_BITS);
286	AssertMsgReturn(pReg->cMaxInstances > 0,
287	("%s: %#x\n", pReg->szName, pReg->cMaxInstances),
288	VERR_PDM_INVALID_DRIVER_REGISTRATION);
289	AssertMsgReturn(pReg->cbInstance <= _1M,
290	("%s: %#x\n", pReg->szName, pReg->cbInstance),
291	VERR_PDM_INVALID_DRIVER_REGISTRATION);
292	AssertMsgReturn(VALID_PTR(pReg->pfnConstruct),
293	("%s: %p\n", pReg->szName, pReg->pfnConstruct),
294	VERR_PDM_INVALID_DRIVER_REGISTRATION);
295	AssertMsgReturn(VALID_PTR(pReg->pfnRelocate) \|\| !(pReg->fFlags & PDM_DRVREG_FLAGS_RC),
296	("%s: %#x\n", pReg->szName, pReg->cbInstance),
297	VERR_PDM_INVALID_DRIVER_REGISTRATION);
298	AssertMsgReturn(pReg->pfnSoftReset == NULL,
299	("%s: %p\n", pReg->szName, pReg->pfnSoftReset),
300	VERR_PDM_INVALID_DRIVER_REGISTRATION);
301	AssertMsgReturn(pReg->u32VersionEnd == PDM_DRVREG_VERSION,
302	("%s: #x\n", pReg->szName, pReg->u32VersionEnd),
303	VERR_PDM_INVALID_DRIVER_REGISTRATION);
304
305	/*
306	* Check for duplicate and find FIFO entry at the same time.
307	*/
308	PCPDMDRVREGCBINT pRegCB = (PCPDMDRVREGCBINT)pCallbacks;
309	PPDMDRV pDrvPrev = NULL;
310	PPDMDRV pDrv = pRegCB->pVM->pdm.s.pDrvs;
311	for (; pDrv; pDrvPrev = pDrv, pDrv = pDrv->pNext)
312	{
313	if (!strcmp(pDrv->pReg->szName, pReg->szName))
314	{
315	AssertMsgFailed(("Driver '%s' already exists\n", pReg->szName));
316	return VERR_PDM_DRIVER_NAME_CLASH;
317	}
318	}
319
320	/*
321	* Allocate new driver structure and insert it into the list.
322	*/
323	pDrv = (PPDMDRV)MMR3HeapAlloc(pRegCB->pVM, MM_TAG_PDM_DRIVER, sizeof(*pDrv));
324	if (pDrv)
325	{
326	pDrv->pNext = NULL;
327	pDrv->cInstances = 0;
328	pDrv->iNextInstance = 0;
329	pDrv->pReg = pReg;
330
331	if (pDrvPrev)
332	pDrvPrev->pNext = pDrv;
333	else
334	pRegCB->pVM->pdm.s.pDrvs = pDrv;
335	Log(("PDM: Registered driver '%s'\n", pReg->szName));
336	return VINF_SUCCESS;
337	}
338	return VERR_NO_MEMORY;
339	}
340
341
342	/**
343	* Lookups a driver structure by name.
344	* @internal
345	*/
346	PPDMDRV pdmR3DrvLookup(PVM pVM, const char *pszName)
347	{
348	for (PPDMDRV pDrv = pVM->pdm.s.pDrvs; pDrv; pDrv = pDrv->pNext)
349	if (!strcmp(pDrv->pReg->szName, pszName))
350	return pDrv;
351	return NULL;
352	}
353
354
355	/**
356	* Instantiate a driver.
357	*
358	* @returns VBox status code, including informational statuses.
359	*
360	* @param pVM The VM handle.
361	* @param pNode The CFGM node for the driver.
362	* @param pBaseInterface The base interface.
363	* @param pDrvAbove The driver above it. NULL if it's the top-most
364	* driver.
365	* @param pLun The LUN the driver is being attached to. NULL
366	* if we're instantiating a driver chain before
367	* attaching it - untested.
368	* @param ppBaseInterface Where to return the pointer to the base
369	* interface of the newly created driver.
370	*
371	* @remarks Recursive calls to this function is normal as the drivers will
372	* attach to anything below them during the pfnContruct call.
373	*/
374	int pdmR3DrvInstantiate(PVM pVM, PCFGMNODE pNode, PPDMIBASE pBaseInterface, PPDMDRVINS pDrvAbove,
375	PPDMLUN pLun, PPDMIBASE *ppBaseInterface)
376	{
377	Assert(!pDrvAbove \|\| !pDrvAbove->Internal.s.pDown);
378	Assert(!pDrvAbove \|\| !pDrvAbove->pDownBase);
379
380	Assert(pBaseInterface->pfnQueryInterface(pBaseInterface, PDMIBASE_IID) == pBaseInterface);
381
382	/*
383	* Find the driver.
384	*/
385	char *pszName;
386	int rc = CFGMR3QueryStringAlloc(pNode, "Driver", &pszName);
387	if (RT_SUCCESS(rc))
388	{
389	PPDMDRV pDrv = pdmR3DrvLookup(pVM, pszName);
390	MMR3HeapFree(pszName);
391	if ( pDrv
392	&& pDrv->cInstances < pDrv->pReg->cMaxInstances)
393	{
394	/* config node */
395	PCFGMNODE pConfigNode = CFGMR3GetChild(pNode, "Config");
396	if (!pConfigNode)
397	rc = CFGMR3InsertNode(pNode, "Config", &pConfigNode);
398	if (RT_SUCCESS(rc))
399	{
400	CFGMR3SetRestrictedRoot(pConfigNode);
401
402	/*
403	* Allocate the driver instance.
404	*/
405	size_t cb = RT_OFFSETOF(PDMDRVINS, achInstanceData[pDrv->pReg->cbInstance]);
406	cb = RT_ALIGN_Z(cb, 16);
407	bool const fHyperHeap = !!(pDrv->pReg->fFlags & (PDM_DRVREG_FLAGS_R0 \| PDM_DRVREG_FLAGS_RC));
408	PPDMDRVINS pNew;
409	if (fHyperHeap)
410	rc = MMHyperAlloc(pVM, cb, 64, MM_TAG_PDM_DRIVER, (void **)&pNew);
411	else
412	rc = MMR3HeapAllocZEx(pVM, MM_TAG_PDM_DRIVER, cb, (void **)&pNew);
413	if (pNew)
414	{
415	/*
416	* Initialize the instance structure (declaration order).
417	*/
418	pNew->u32Version = PDM_DRVINS_VERSION;
419	pNew->Internal.s.pUp = pDrvAbove ? pDrvAbove : NULL;
420	//pNew->Internal.s.pDown = NULL;
421	pNew->Internal.s.pLun = pLun;
422	pNew->Internal.s.pDrv = pDrv;
423	pNew->Internal.s.pVMR3 = pVM;
424	pNew->Internal.s.pVMR0 = pDrv->pReg->fFlags & PDM_DRVREG_FLAGS_R0 ? pVM->pVMR0 : NIL_RTR0PTR;
425	pNew->Internal.s.pVMRC = pDrv->pReg->fFlags & PDM_DRVREG_FLAGS_RC ? pVM->pVMRC : NIL_RTRCPTR;
426	//pNew->Internal.s.fDetaching = false;
427	pNew->Internal.s.fVMSuspended = true;
428	//pNew->Internal.s.fVMReset = false;
429	pNew->Internal.s.fHyperHeap = fHyperHeap;
430	//pNew->Internal.s.pfnAsyncNotify = NULL;
431	pNew->Internal.s.pCfgHandle = pNode;
432	pNew->pReg = pDrv->pReg;
433	pNew->pCfg = pConfigNode;
434	pNew->iInstance = pDrv->iNextInstance;
435	pNew->pUpBase = pBaseInterface;
436	Assert(!pDrvAbove \|\| pBaseInterface == &pDrvAbove->IBase);
437	//pNew->pDownBase = NULL;
438	//pNew->IBase.pfnQueryInterface = NULL;
439	pNew->pHlpR3 = &g_pdmR3DrvHlp;
440	pNew->pvInstanceDataR3 = &pNew->achInstanceData[0];
441	if (pDrv->pReg->fFlags & PDM_DRVREG_FLAGS_R0)
442	{
443	pNew->pvInstanceDataR0 = MMHyperR3ToR0(pVM, &pNew->achInstanceData[0]);
444	rc = PDMR3LdrGetSymbolR0(pVM, NULL, "g_pdmR0DrvHlp", &pNew->pHlpR0);
445	AssertReleaseRCReturn(rc, rc);
446
447	}
448	if (pDrv->pReg->fFlags & PDM_DRVREG_FLAGS_RC)
449	{
450	pNew->pvInstanceDataR0 = MMHyperR3ToRC(pVM, &pNew->achInstanceData[0]);
451	rc = PDMR3LdrGetSymbolRC(pVM, NULL, "g_pdmRCDrvHlp", &pNew->pHlpRC);
452	AssertReleaseRCReturn(rc, rc);
453	}
454
455	pDrv->iNextInstance++;
456	pDrv->cInstances++;
457
458	/*
459	* Link with it with the driver above / LUN.
460	*/
461	if (pDrvAbove)
462	{
463	pDrvAbove->pDownBase = &pNew->IBase;
464	pDrvAbove->Internal.s.pDown = pNew;
465	}
466	else if (pLun)
467	pLun->pTop = pNew;
468	if (pLun)
469	pLun->pBottom = pNew;
470
471	/*
472	* Invoke the constructor.
473	*/
474	rc = pDrv->pReg->pfnConstruct(pNew, pNew->pCfg, 0 /fFlags/);
475	if (RT_SUCCESS(rc))
476	{
477	AssertPtr(pNew->IBase.pfnQueryInterface);
478	Assert(pNew->IBase.pfnQueryInterface(&pNew->IBase, PDMIBASE_IID) == &pNew->IBase);
479
480	/* Success! */
481	*ppBaseInterface = &pNew->IBase;
482	if (pLun)
483	Log(("PDM: Attached driver %p:'%s'/%d to LUN#%d on device '%s'/%d, pDrvAbove=%p:'%s'/%d\n",
484	pNew, pDrv->pReg->szName, pNew->iInstance,
485	pLun->iLun,
486	pLun->pDevIns ? pLun->pDevIns->pReg->szName : pLun->pUsbIns->pReg->szName,
487	pLun->pDevIns ? pLun->pDevIns->iInstance : pLun->pUsbIns->iInstance,
488	pDrvAbove, pDrvAbove ? pDrvAbove->pReg->szName : "", pDrvAbove ? pDrvAbove->iInstance : UINT32_MAX));
489	else
490	Log(("PDM: Attached driver %p:'%s'/%d, pDrvAbove=%p:'%s'/%d\n",
491	pNew, pDrv->pReg->szName, pNew->iInstance,
492	pDrvAbove, pDrvAbove ? pDrvAbove->pReg->szName : "", pDrvAbove ? pDrvAbove->iInstance : UINT32_MAX));
493	}
494	else
495	pdmR3DrvDestroyChain(pNew, PDM_TACH_FLAGS_NO_CALLBACKS);
496	}
497	else
498	{
499	AssertMsgFailed(("Failed to allocate %d bytes for instantiating driver '%s'\n", cb, pszName));
500	rc = VERR_NO_MEMORY;
501	}
502	}
503	else
504	AssertMsgFailed(("Failed to create Config node! rc=%Rrc\n", rc));
505	}
506	else if (pDrv)
507	{
508	AssertMsgFailed(("Too many instances of driver '%s', max is %u\n", pszName, pDrv->pReg->cMaxInstances));
509	rc = VERR_PDM_TOO_MANY_DRIVER_INSTANCES;
510	}
511	else
512	{
513	AssertMsgFailed(("Driver '%s' wasn't found!\n", pszName));
514	rc = VERR_PDM_DRIVER_NOT_FOUND;
515	}
516	}
517	else
518	{
519	AssertMsgFailed(("Query for string value of \"Driver\" -> %Rrc\n", rc));
520	if (rc == VERR_CFGM_VALUE_NOT_FOUND)
521	rc = VERR_PDM_CFG_MISSING_DRIVER_NAME;
522	}
523	return rc;
524	}
525
526
527	/**
528	* Detaches a driver from whatever it's attached to.
529	* This will of course lead to the destruction of the driver and all drivers below it in the chain.
530	*
531	* @returns VINF_SUCCESS
532	* @param pDrvIns The driver instance to detach.
533	* @param fFlags Flags, combination of the PDMDEVATT_FLAGS_* \#defines.
534	*/
535	int pdmR3DrvDetach(PPDMDRVINS pDrvIns, uint32_t fFlags)
536	{
537	PDMDRV_ASSERT_DRVINS(pDrvIns);
538	LogFlow(("pdmR3DrvDetach: pDrvIns=%p '%s'/%d\n", pDrvIns, pDrvIns->pReg->szName, pDrvIns->iInstance));
539	VM_ASSERT_EMT(pDrvIns->Internal.s.pVMR3);
540
541	/*
542	* Check that we're not doing this recursively, that could have unwanted sideeffects!
543	*/
544	if (pDrvIns->Internal.s.fDetaching)
545	{
546	AssertMsgFailed(("Recursive detach! '%s'/%d\n", pDrvIns->pReg->szName, pDrvIns->iInstance));
547	return VINF_SUCCESS; }
548
549	/*
550	* Check that we actually can detach this instance.
551	* The requirement is that the driver/device above has a detach method.
552	*/
553	if (pDrvIns->Internal.s.pUp
554	? !pDrvIns->Internal.s.pUp->pReg->pfnDetach
555	: !pDrvIns->Internal.s.pLun->pDevIns->pReg->pfnDetach)
556	{
557	AssertMsgFailed(("Cannot detach driver instance because the driver/device above doesn't support it!\n"));
558	return VERR_PDM_DRIVER_DETACH_NOT_POSSIBLE;
559	}
560
561	/*
562	* Join paths with pdmR3DrvDestroyChain.
563	*/
564	pdmR3DrvDestroyChain(pDrvIns, fFlags);
565	return VINF_SUCCESS;
566	}
567
568
569	/**
570	* Destroys a driver chain starting with the specified driver.
571	*
572	* This is used when unplugging a device at run time.
573	*
574	* @param pDrvIns Pointer to the driver instance to start with.
575	* @param fFlags PDM_TACH_FLAGS_NOT_HOT_PLUG, PDM_TACH_FLAGS_NO_CALLBACKS
576	* or 0.
577	*/
578	void pdmR3DrvDestroyChain(PPDMDRVINS pDrvIns, uint32_t fFlags)
579	{
580	PVM pVM = pDrvIns->Internal.s.pVMR3;
581	VM_ASSERT_EMT(pVM);
582
583	/*
584	* Detach the bottommost driver until we've detached pDrvIns.
585	*/
586	pDrvIns->Internal.s.fDetaching = true;
587	PPDMDRVINS pCur;
588	do
589	{
590	/* find the driver to detach. */
591	pCur = pDrvIns;
592	while (pCur->Internal.s.pDown)
593	pCur = pCur->Internal.s.pDown;
594	LogFlow(("pdmR3DrvDestroyChain: pCur=%p '%s'/%d\n", pCur, pCur->pReg->szName, pCur->iInstance));
595
596	/*
597	* Unlink it and notify parent.
598	*/
599	pCur->Internal.s.fDetaching = true;
600
601	PPDMLUN pLun = pCur->Internal.s.pLun;
602	Assert(pLun->pBottom == pCur);
603	pLun->pBottom = pCur->Internal.s.pUp;
604
605	if (pCur->Internal.s.pUp)
606	{
607	/* driver parent */
608	PPDMDRVINS pParent = pCur->Internal.s.pUp;
609	pCur->Internal.s.pUp = NULL;
610	pParent->Internal.s.pDown = NULL;
611
612	if (!(fFlags & PDM_TACH_FLAGS_NO_CALLBACKS) && pParent->pReg->pfnDetach)
613	pParent->pReg->pfnDetach(pParent, fFlags);
614
615	pParent->pDownBase = NULL;
616	}
617	else
618	{
619	/* device parent */
620	Assert(pLun->pTop == pCur);
621	pLun->pTop = NULL;
622	if (!(fFlags & PDM_TACH_FLAGS_NO_CALLBACKS) && pLun->pDevIns->pReg->pfnDetach)
623	pLun->pDevIns->pReg->pfnDetach(pLun->pDevIns, pLun->iLun, fFlags);
624	}
625
626	/*
627	* Call destructor.
628	*/
629	pCur->pUpBase = NULL;
630	if (pCur->pReg->pfnDestruct)
631	pCur->pReg->pfnDestruct(pCur);
632	pCur->Internal.s.pDrv->cInstances--;
633
634	/*
635	* Free all resources allocated by the driver.
636	*/
637	/* Queues. */
638	int rc = PDMR3QueueDestroyDriver(pVM, pCur);
639	AssertRC(rc);
640
641	/* Timers. */
642	rc = TMR3TimerDestroyDriver(pVM, pCur);
643	AssertRC(rc);
644
645	/* SSM data units. */
646	rc = SSMR3DeregisterDriver(pVM, pCur, NULL, 0);
647	AssertRC(rc);
648
649	/* PDM threads. */
650	rc = pdmR3ThreadDestroyDriver(pVM, pCur);
651	AssertRC(rc);
652
653	/* PDM critsects. */
654	rc = pdmR3CritSectDeleteDriver(pVM, pCur);
655	AssertRC(rc);
656
657	/* Finally, the driver it self. */
658	bool fHyperHeap = pCur->Internal.s.fHyperHeap;
659	ASMMemFill32(pCur, RT_OFFSETOF(PDMDRVINS, achInstanceData[pCur->pReg->cbInstance]), 0xdeadd0d0);
660	if (fHyperHeap)
661	MMHyperFree(pVM, pCur);
662	else
663	MMR3HeapFree(pCur);
664
665	} while (pCur != pDrvIns);
666	}
667
668
669
670
671	/** @name Driver Helpers
672	* @{
673	*/
674
675	/** @interface_method_impl{PDMDRVHLP,pfnAttach} */
676	static DECLCALLBACK(int) pdmR3DrvHlp_Attach(PPDMDRVINS pDrvIns, uint32_t fFlags, PPDMIBASE *ppBaseInterface)
677	{
678	PDMDRV_ASSERT_DRVINS(pDrvIns);
679	PVM pVM = pDrvIns->Internal.s.pVMR3;
680	VM_ASSERT_EMT(pVM);
681	LogFlow(("pdmR3DrvHlp_Attach: caller='%s'/%d: fFlags=%#x\n", pDrvIns->pReg->szName, pDrvIns->iInstance, fFlags));
682	Assert(!(fFlags & ~(PDM_TACH_FLAGS_NOT_HOT_PLUG)));
683
684	/*
685	* Check that there isn't anything attached already.
686	*/
687	int rc;
688	if (!pDrvIns->Internal.s.pDown)
689	{
690	Assert(pDrvIns->Internal.s.pLun->pBottom == pDrvIns);
691
692	/*
693	* Get the attached driver configuration.
694	*/
695	PCFGMNODE pNode = CFGMR3GetChild(pDrvIns->Internal.s.pCfgHandle, "AttachedDriver");
696	if (pNode)
697	rc = pdmR3DrvInstantiate(pVM, pNode, &pDrvIns->IBase, pDrvIns, pDrvIns->Internal.s.pLun, ppBaseInterface);
698	else
699	rc = VERR_PDM_NO_ATTACHED_DRIVER;
700	}
701	else
702	{
703	AssertMsgFailed(("Already got a driver attached. The driver should keep track of such things!\n"));
704	rc = VERR_PDM_DRIVER_ALREADY_ATTACHED;
705	}
706
707	LogFlow(("pdmR3DrvHlp_Attach: caller='%s'/%d: return %Rrc\n",
708	pDrvIns->pReg->szName, pDrvIns->iInstance, rc));
709	return rc;
710	}
711
712
713	/** @interface_method_impl{PDMDRVHLP,pfnDetach} */
714	static DECLCALLBACK(int) pdmR3DrvHlp_Detach(PPDMDRVINS pDrvIns, uint32_t fFlags)
715	{
716	PDMDRV_ASSERT_DRVINS(pDrvIns);
717	LogFlow(("pdmR3DrvHlp_Detach: caller='%s'/%d: fFlags=%#x\n",
718	pDrvIns->pReg->szName, pDrvIns->iInstance, fFlags));
719	VM_ASSERT_EMT(pDrvIns->Internal.s.pVMR3);
720
721	/*
722	* Anything attached?
723	*/
724	int rc;
725	if (pDrvIns->Internal.s.pDown)
726	rc = pdmR3DrvDetach(pDrvIns->Internal.s.pDown, fFlags);
727	else
728	{
729	AssertMsgFailed(("Nothing attached!\n"));
730	rc = VERR_PDM_NO_DRIVER_ATTACHED;
731	}
732
733	LogFlow(("pdmR3DrvHlp_Detach: caller='%s'/%d: returns %Rrc\n",
734	pDrvIns->pReg->szName, pDrvIns->iInstance, rc));
735	return rc;
736	}
737
738
739	/** @interface_method_impl{PDMDRVHLP,pfnDetachSelf} */
740	static DECLCALLBACK(int) pdmR3DrvHlp_DetachSelf(PPDMDRVINS pDrvIns, uint32_t fFlags)
741	{
742	PDMDRV_ASSERT_DRVINS(pDrvIns);
743	LogFlow(("pdmR3DrvHlp_DetachSelf: caller='%s'/%d: fFlags=%#x\n",
744	pDrvIns->pReg->szName, pDrvIns->iInstance, fFlags));
745	VM_ASSERT_EMT(pDrvIns->Internal.s.pVMR3);
746
747	int rc = pdmR3DrvDetach(pDrvIns, fFlags);
748
749	LogFlow(("pdmR3DrvHlp_Detach: returns %Rrc\n", rc)); /* pDrvIns is freed by now. */
750	return rc;
751	}
752
753
754	/** @interface_method_impl{PDMDRVHLP,pfnMountPrepare} */
755	static DECLCALLBACK(int) pdmR3DrvHlp_MountPrepare(PPDMDRVINS pDrvIns, const char pszFilename, const char pszCoreDriver)
756	{
757	PDMDRV_ASSERT_DRVINS(pDrvIns);
758	LogFlow(("pdmR3DrvHlp_MountPrepare: caller='%s'/%d: pszFilename=%p:{%s} pszCoreDriver=%p:{%s}\n",
759	pDrvIns->pReg->szName, pDrvIns->iInstance, pszFilename, pszFilename, pszCoreDriver, pszCoreDriver));
760	VM_ASSERT_EMT(pDrvIns->Internal.s.pVMR3);
761
762	/*
763	* Do the caller have anything attached below itself?
764	*/
765	if (pDrvIns->Internal.s.pDown)
766	{
767	AssertMsgFailed(("Cannot prepare a mount when something's attached to you!\n"));
768	return VERR_PDM_DRIVER_ALREADY_ATTACHED;
769	}
770
771	/*
772	* We're asked to prepare, so we'll start off by nuking the
773	* attached configuration tree.
774	*/
775	PCFGMNODE pNode = CFGMR3GetChild(pDrvIns->Internal.s.pCfgHandle, "AttachedDriver");
776	if (pNode)
777	CFGMR3RemoveNode(pNode);
778
779	/*
780	* If there is no core driver, we'll have to probe for it.
781	*/
782	if (!pszCoreDriver)
783	{
784	/** @todo implement image probing. */
785	AssertReleaseMsgFailed(("Not implemented!\n"));
786	return VERR_NOT_IMPLEMENTED;
787	}
788
789	/*
790	* Construct the basic attached driver configuration.
791	*/
792	int rc = CFGMR3InsertNode(pDrvIns->Internal.s.pCfgHandle, "AttachedDriver", &pNode);
793	if (RT_SUCCESS(rc))
794	{
795	rc = CFGMR3InsertString(pNode, "Driver", pszCoreDriver);
796	if (RT_SUCCESS(rc))
797	{
798	PCFGMNODE pCfg;
799	rc = CFGMR3InsertNode(pNode, "Config", &pCfg);
800	if (RT_SUCCESS(rc))
801	{
802	rc = CFGMR3InsertString(pCfg, "Path", pszFilename);
803	if (RT_SUCCESS(rc))
804	{
805	LogFlow(("pdmR3DrvHlp_MountPrepare: caller='%s'/%d: returns %Rrc (Driver=%s)\n",
806	pDrvIns->pReg->szName, pDrvIns->iInstance, rc, pszCoreDriver));
807	return rc;
808	}
809	else
810	AssertMsgFailed(("Path string insert failed, rc=%Rrc\n", rc));
811	}
812	else
813	AssertMsgFailed(("Config node failed, rc=%Rrc\n", rc));
814	}
815	else
816	AssertMsgFailed(("Driver string insert failed, rc=%Rrc\n", rc));
817	CFGMR3RemoveNode(pNode);
818	}
819	else
820	AssertMsgFailed(("AttachedDriver node insert failed, rc=%Rrc\n", rc));
821
822	LogFlow(("pdmR3DrvHlp_MountPrepare: caller='%s'/%d: returns %Rrc\n",
823	pDrvIns->pReg->szName, pDrvIns->iInstance, rc));
824	return rc;
825	}
826
827
828	/** @interface_method_impl{PDMDRVHLP,pfnAssertEMT} */
829	static DECLCALLBACK(bool) pdmR3DrvHlp_AssertEMT(PPDMDRVINS pDrvIns, const char pszFile, unsigned iLine, const char pszFunction)
830	{
831	PDMDRV_ASSERT_DRVINS(pDrvIns);
832	if (VM_IS_EMT(pDrvIns->Internal.s.pVMR3))
833	return true;
834
835	char szMsg[100];
836	RTStrPrintf(szMsg, sizeof(szMsg), "AssertEMT '%s'/%d\n", pDrvIns->pReg->szName, pDrvIns->iInstance);
837	RTAssertMsg1Weak(szMsg, iLine, pszFile, pszFunction);
838	AssertBreakpoint();
839	VM_ASSERT_EMT(pDrvIns->Internal.s.pVMR3);
840	return false;
841	}
842
843
844	/** @interface_method_impl{PDMDRVHLP,pfnAssertOther} */
845	static DECLCALLBACK(bool) pdmR3DrvHlp_AssertOther(PPDMDRVINS pDrvIns, const char pszFile, unsigned iLine, const char pszFunction)
846	{
847	PDMDRV_ASSERT_DRVINS(pDrvIns);
848	if (!VM_IS_EMT(pDrvIns->Internal.s.pVMR3))
849	return true;
850
851	char szMsg[100];
852	RTStrPrintf(szMsg, sizeof(szMsg), "AssertOther '%s'/%d\n", pDrvIns->pReg->szName, pDrvIns->iInstance);
853	RTAssertMsg1Weak(szMsg, iLine, pszFile, pszFunction);
854	AssertBreakpoint();
855	VM_ASSERT_EMT(pDrvIns->Internal.s.pVMR3);
856	return false;
857	}
858
859
860	/** @interface_method_impl{PDMDRVHLP,pfnVMSetError} */
861	static DECLCALLBACK(int) pdmR3DrvHlp_VMSetError(PPDMDRVINS pDrvIns, int rc, RT_SRC_POS_DECL, const char *pszFormat, ...)
862	{
863	PDMDRV_ASSERT_DRVINS(pDrvIns);
864	va_list args;
865	va_start(args, pszFormat);
866	int rc2 = VMSetErrorV(pDrvIns->Internal.s.pVMR3, rc, RT_SRC_POS_ARGS, pszFormat, args); Assert(rc2 == rc); NOREF(rc2);
867	va_end(args);
868	return rc;
869	}
870
871
872	/** @interface_method_impl{PDMDRVHLP,pfnVMSetErrorV} */
873	static DECLCALLBACK(int) pdmR3DrvHlp_VMSetErrorV(PPDMDRVINS pDrvIns, int rc, RT_SRC_POS_DECL, const char *pszFormat, va_list va)
874	{
875	PDMDRV_ASSERT_DRVINS(pDrvIns);
876	int rc2 = VMSetErrorV(pDrvIns->Internal.s.pVMR3, rc, RT_SRC_POS_ARGS, pszFormat, va); Assert(rc2 == rc); NOREF(rc2);
877	return rc;
878	}
879
880
881	/** @interface_method_impl{PDMDRVHLP,pfnVMSetRuntimeError} */
882	static DECLCALLBACK(int) pdmR3DrvHlp_VMSetRuntimeError(PPDMDRVINS pDrvIns, uint32_t fFlags, const char pszErrorId, const char pszFormat, ...)
883	{
884	PDMDRV_ASSERT_DRVINS(pDrvIns);
885	va_list args;
886	va_start(args, pszFormat);
887	int rc = VMSetRuntimeErrorV(pDrvIns->Internal.s.pVMR3, fFlags, pszErrorId, pszFormat, args);
888	va_end(args);
889	return rc;
890	}
891
892
893	/** @interface_method_impl{PDMDRVHLP,pfnVMSetRuntimeErrorV} */
894	static DECLCALLBACK(int) pdmR3DrvHlp_VMSetRuntimeErrorV(PPDMDRVINS pDrvIns, uint32_t fFlags, const char pszErrorId, const char pszFormat, va_list va)
895	{
896	PDMDRV_ASSERT_DRVINS(pDrvIns);
897	int rc = VMSetRuntimeErrorV(pDrvIns->Internal.s.pVMR3, fFlags, pszErrorId, pszFormat, va);
898	return rc;
899	}
900
901
902	/** @interface_method_impl{PDMDEVHLPR3,pfnVMState} */
903	static DECLCALLBACK(VMSTATE) pdmR3DrvHlp_VMState(PPDMDRVINS pDrvIns)
904	{
905	PDMDRV_ASSERT_DRVINS(pDrvIns);
906
907	VMSTATE enmVMState = VMR3GetState(pDrvIns->Internal.s.pVMR3);
908
909	LogFlow(("pdmR3DrvHlp_VMState: caller='%s'/%d: returns %d (%s)\n", pDrvIns->pReg->szName, pDrvIns->iInstance,
910	enmVMState, VMR3GetStateName(enmVMState)));
911	return enmVMState;
912	}
913
914
915	/** @interface_method_impl{PDMDEVHLPR3,pfnVMTeleportedAndNotFullyResumedYet} */
916	static DECLCALLBACK(bool) pdmR3DrvHlp_VMTeleportedAndNotFullyResumedYet(PPDMDRVINS pDrvIns)
917	{
918	PDMDRV_ASSERT_DRVINS(pDrvIns);
919
920	bool fRc = VMR3TeleportedAndNotFullyResumedYet(pDrvIns->Internal.s.pVMR3);
921
922	LogFlow(("pdmR3DrvHlp_VMState: caller='%s'/%d: returns %RTbool)\n", pDrvIns->pReg->szName, pDrvIns->iInstance,
923	fRc));
924	return fRc;
925	}
926
927
928	/** @interface_method_impl{PDMDEVHLPR3,pfnGetSupDrvSession} */
929	static DECLCALLBACK(PSUPDRVSESSION) pdmR3DrvHlp_GetSupDrvSession(PPDMDRVINS pDrvIns)
930	{
931	PDMDRV_ASSERT_DRVINS(pDrvIns);
932
933	PSUPDRVSESSION pSession = pDrvIns->Internal.s.pVMR3->pSession;
934	LogFlow(("pdmR3DrvHlp_GetSupDrvSession: caller='%s'/%d: returns %p)\n", pDrvIns->pReg->szName, pDrvIns->iInstance,
935	pSession));
936	return pSession;
937	}
938
939
940	/** @interface_method_impl{PDMDRVHLP,pfnQueueCreate} */
941	static DECLCALLBACK(int) pdmR3DrvHlp_QueueCreate(PPDMDRVINS pDrvIns, uint32_t cbItem, uint32_t cItems, uint32_t cMilliesInterval,
942	PFNPDMQUEUEDRV pfnCallback, const char pszName, PPDMQUEUE ppQueue)
943	{
944	PDMDRV_ASSERT_DRVINS(pDrvIns);
945	LogFlow(("pdmR3DrvHlp_PDMQueueCreate: caller='%s'/%d: cbItem=%d cItems=%d cMilliesInterval=%d pfnCallback=%p pszName=%p:{%s} ppQueue=%p\n",
946	pDrvIns->pReg->szName, pDrvIns->iInstance, cbItem, cItems, cMilliesInterval, pfnCallback, pszName, pszName, ppQueue, ppQueue));
947	PVM pVM = pDrvIns->Internal.s.pVMR3;
948	VM_ASSERT_EMT(pVM);
949
950	if (pDrvIns->iInstance > 0)
951	{
952	pszName = MMR3HeapAPrintf(pVM, MM_TAG_PDM_DRIVER_DESC, "%s_%u", pszName, pDrvIns->iInstance);
953	AssertLogRelReturn(pszName, VERR_NO_MEMORY);
954	}
955
956	int rc = PDMR3QueueCreateDriver(pVM, pDrvIns, cbItem, cItems, cMilliesInterval, pfnCallback, pszName, ppQueue);
957
958	LogFlow(("pdmR3DrvHlp_PDMQueueCreate: caller='%s'/%d: returns %Rrc ppQueue=%p\n", pDrvIns->pReg->szName, pDrvIns->iInstance, rc, ppQueue));
959	return rc;
960	}
961
962
963	/** @interface_method_impl{PDMDRVHLP,pfnTMGetVirtualFreq} */
964	static DECLCALLBACK(uint64_t) pdmR3DrvHlp_TMGetVirtualFreq(PPDMDRVINS pDrvIns)
965	{
966	PDMDRV_ASSERT_DRVINS(pDrvIns);
967
968	return TMVirtualGetFreq(pDrvIns->Internal.s.pVMR3);
969	}
970
971
972	/** @interface_method_impl{PDMDRVHLP,pfnTMGetVirtualTime} */
973	static DECLCALLBACK(uint64_t) pdmR3DrvHlp_TMGetVirtualTime(PPDMDRVINS pDrvIns)
974	{
975	PDMDRV_ASSERT_DRVINS(pDrvIns);
976
977	return TMVirtualGet(pDrvIns->Internal.s.pVMR3);
978	}
979
980
981	/** @interface_method_impl{PDMDRVHLP,pfnTMTimerCreate} */
982	static DECLCALLBACK(int) pdmR3DrvHlp_TMTimerCreate(PPDMDRVINS pDrvIns, TMCLOCK enmClock, PFNTMTIMERDRV pfnCallback, void pvUser, uint32_t fFlags, const char pszDesc, PPTMTIMERR3 ppTimer)
983	{
984	PDMDRV_ASSERT_DRVINS(pDrvIns);
985	LogFlow(("pdmR3DrvHlp_TMTimerCreate: caller='%s'/%d: enmClock=%d pfnCallback=%p pvUser=%p fFlags=%#x pszDesc=%p:{%s} ppTimer=%p\n",
986	pDrvIns->pReg->szName, pDrvIns->iInstance, enmClock, pfnCallback, pvUser, fFlags, pszDesc, pszDesc, ppTimer));
987
988	int rc = TMR3TimerCreateDriver(pDrvIns->Internal.s.pVMR3, pDrvIns, enmClock, pfnCallback, pvUser, fFlags, pszDesc, ppTimer);
989
990	LogFlow(("pdmR3DrvHlp_TMTimerCreate: caller='%s'/%d: returns %Rrc ppTimer=%p\n", pDrvIns->pReg->szName, pDrvIns->iInstance, rc, ppTimer));
991	return rc;
992	}
993
994
995
996	/** @interface_method_impl{PDMDRVHLP,pfnSSMRegister} */
997	static DECLCALLBACK(int) pdmR3DrvHlp_SSMRegister(PPDMDRVINS pDrvIns, uint32_t uVersion, size_t cbGuess,
998	PFNSSMDRVLIVEPREP pfnLivePrep, PFNSSMDRVLIVEEXEC pfnLiveExec, PFNSSMDRVLIVEVOTE pfnLiveVote,
999	PFNSSMDRVSAVEPREP pfnSavePrep, PFNSSMDRVSAVEEXEC pfnSaveExec, PFNSSMDRVSAVEDONE pfnSaveDone,
1000	PFNSSMDRVLOADPREP pfnLoadPrep, PFNSSMDRVLOADEXEC pfnLoadExec, PFNSSMDRVLOADDONE pfnLoadDone)
1001	{
1002	PDMDRV_ASSERT_DRVINS(pDrvIns);
1003	VM_ASSERT_EMT(pDrvIns->Internal.s.pVMR3);
1004	LogFlow(("pdmR3DrvHlp_SSMRegister: caller='%s'/%d: uVersion=#x cbGuess=%#x \n"
1005	" pfnLivePrep=%p pfnLiveExec=%p pfnLiveVote=%p pfnSavePrep=%p pfnSaveExec=%p pfnSaveDone=%p pszLoadPrep=%p pfnLoadExec=%p pfnLoaddone=%p\n",
1006	pDrvIns->pReg->szName, pDrvIns->iInstance, uVersion, cbGuess,
1007	pfnLivePrep, pfnLiveExec, pfnLiveVote,
1008	pfnSavePrep, pfnSaveExec, pfnSaveDone, pfnLoadPrep, pfnLoadExec, pfnLoadDone));
1009
1010	int rc = SSMR3RegisterDriver(pDrvIns->Internal.s.pVMR3, pDrvIns, pDrvIns->pReg->szName, pDrvIns->iInstance,
1011	uVersion, cbGuess,
1012	pfnLivePrep, pfnLiveExec, pfnLiveVote,
1013	pfnSavePrep, pfnSaveExec, pfnSaveDone,
1014	pfnLoadPrep, pfnLoadExec, pfnLoadDone);
1015
1016	LogFlow(("pdmR3DrvHlp_SSMRegister: caller='%s'/%d: returns %Rrc\n", pDrvIns->pReg->szName, pDrvIns->iInstance, rc));
1017	return rc;
1018	}
1019
1020
1021	/** @interface_method_impl{PDMDRVHLP,pfnSSMDeregister} */
1022	static DECLCALLBACK(int) pdmR3DrvHlp_SSMDeregister(PPDMDRVINS pDrvIns, const char *pszName, uint32_t u32Instance)
1023	{
1024	PDMDRV_ASSERT_DRVINS(pDrvIns);
1025	VM_ASSERT_EMT(pDrvIns->Internal.s.pVMR3);
1026	LogFlow(("pdmR3DrvHlp_SSMDeregister: caller='%s'/%d: pszName=%p:{%s} u32Instance=%#x\n",
1027	pDrvIns->pReg->szName, pDrvIns->iInstance, pszName, pszName, u32Instance));
1028
1029	int rc = SSMR3DeregisterDriver(pDrvIns->Internal.s.pVMR3, pDrvIns, pszName, u32Instance);
1030
1031	LogFlow(("pdmR3DrvHlp_SSMDeregister: caller='%s'/%d: returns %Rrc\n", pDrvIns->pReg->szName, pDrvIns->iInstance, rc));
1032	return rc;
1033	}
1034
1035
1036	/** @interface_method_impl{PDMDRVHLP,pfnSTAMRegister} */
1037	static DECLCALLBACK(void) pdmR3DrvHlp_STAMRegister(PPDMDRVINS pDrvIns, void pvSample, STAMTYPE enmType, const char pszName, STAMUNIT enmUnit, const char *pszDesc)
1038	{
1039	PDMDRV_ASSERT_DRVINS(pDrvIns);
1040	VM_ASSERT_EMT(pDrvIns->Internal.s.pVMR3);
1041
1042	STAM_REG(pDrvIns->Internal.s.pVMR3, pvSample, enmType, pszName, enmUnit, pszDesc);
1043	/** @todo track the samples so they can be dumped & deregistered when the driver instance is destroyed.
1044	* For now we just have to be careful not to use this call for drivers which can be unloaded. */
1045	}
1046
1047
1048	/** @interface_method_impl{PDMDRVHLP,pfnSTAMRegisterF} */
1049	static DECLCALLBACK(void) pdmR3DrvHlp_STAMRegisterF(PPDMDRVINS pDrvIns, void *pvSample, STAMTYPE enmType, STAMVISIBILITY enmVisibility,
1050	STAMUNIT enmUnit, const char pszDesc, const char pszName, ...)
1051	{
1052	PDMDRV_ASSERT_DRVINS(pDrvIns);
1053	VM_ASSERT_EMT(pDrvIns->Internal.s.pVMR3);
1054
1055	va_list args;
1056	va_start(args, pszName);
1057	int rc = STAMR3RegisterV(pDrvIns->Internal.s.pVMR3, pvSample, enmType, enmVisibility, enmUnit, pszDesc, pszName, args);
1058	va_end(args);
1059	AssertRC(rc);
1060	}
1061
1062
1063	/** @interface_method_impl{PDMDRVHLP,pfnSTAMRegisterV} */
1064	static DECLCALLBACK(void) pdmR3DrvHlp_STAMRegisterV(PPDMDRVINS pDrvIns, void *pvSample, STAMTYPE enmType, STAMVISIBILITY enmVisibility,
1065	STAMUNIT enmUnit, const char pszDesc, const char pszName, va_list args)
1066	{
1067	PDMDRV_ASSERT_DRVINS(pDrvIns);
1068	VM_ASSERT_EMT(pDrvIns->Internal.s.pVMR3);
1069
1070	int rc = STAMR3RegisterV(pDrvIns->Internal.s.pVMR3, pvSample, enmType, enmVisibility, enmUnit, pszDesc, pszName, args);
1071	AssertRC(rc);
1072	}
1073
1074
1075	/** @interface_method_impl{PDMDRVHLP,pfnSTAMDeregister} */
1076	static DECLCALLBACK(int) pdmR3DrvHlp_STAMDeregister(PPDMDRVINS pDrvIns, void *pvSample)
1077	{
1078	PDMDRV_ASSERT_DRVINS(pDrvIns);
1079	VM_ASSERT_EMT(pDrvIns->Internal.s.pVMR3);
1080
1081	int rc = STAMR3DeregisterU(pDrvIns->Internal.s.pVMR3->pUVM, pvSample);
1082	AssertRC(rc);
1083	return rc;
1084	}
1085
1086
1087	/** @interface_method_impl{PDMDRVHLP,pfnSUPCallVMMR0Ex} */
1088	static DECLCALLBACK(int) pdmR3DrvHlp_SUPCallVMMR0Ex(PPDMDRVINS pDrvIns, unsigned uOperation, void *pvArg, unsigned cbArg)
1089	{
1090	PDMDRV_ASSERT_DRVINS(pDrvIns);
1091	LogFlow(("pdmR3DrvHlp_SSMCallVMMR0Ex: caller='%s'/%d: uOperation=%u pvArg=%p cbArg=%d\n",
1092	pDrvIns->pReg->szName, pDrvIns->iInstance, uOperation, pvArg, cbArg));
1093	int rc;
1094	if ( uOperation >= VMMR0_DO_SRV_START
1095	&& uOperation < VMMR0_DO_SRV_END)
1096	rc = SUPR3CallVMMR0Ex(pDrvIns->Internal.s.pVMR3->pVMR0, NIL_VMCPUID, uOperation, 0, (PSUPVMMR0REQHDR)pvArg);
1097	else
1098	{
1099	AssertMsgFailed(("Invalid uOperation=%u\n", uOperation));
1100	rc = VERR_INVALID_PARAMETER;
1101	}
1102
1103	LogFlow(("pdmR3DrvHlp_SUPCallVMMR0Ex: caller='%s'/%d: returns %Rrc\n", pDrvIns->pReg->szName, pDrvIns->iInstance, rc));
1104	return rc;
1105	}
1106
1107
1108	/** @interface_method_impl{PDMDRVHLP,pfnUSBRegisterHub} */
1109	static DECLCALLBACK(int) pdmR3DrvHlp_USBRegisterHub(PPDMDRVINS pDrvIns, uint32_t fVersions, uint32_t cPorts, PCPDMUSBHUBREG pUsbHubReg, PPCPDMUSBHUBHLP ppUsbHubHlp)
1110	{
1111	PDMDRV_ASSERT_DRVINS(pDrvIns);
1112	VM_ASSERT_EMT(pDrvIns->Internal.s.pVMR3);
1113	LogFlow(("pdmR3DrvHlp_USBRegisterHub: caller='%s'/%d: fVersions=%#x cPorts=%#x pUsbHubReg=%p ppUsbHubHlp=%p\n",
1114	pDrvIns->pReg->szName, pDrvIns->iInstance, fVersions, cPorts, pUsbHubReg, ppUsbHubHlp));
1115
1116	#ifdef VBOX_WITH_USB
1117	int rc = pdmR3UsbRegisterHub(pDrvIns->Internal.s.pVMR3, pDrvIns, fVersions, cPorts, pUsbHubReg, ppUsbHubHlp);
1118	#else
1119	int rc = VERR_NOT_SUPPORTED;
1120	#endif
1121
1122	LogFlow(("pdmR3DrvHlp_USBRegisterHub: caller='%s'/%d: returns %Rrc\n", pDrvIns->pReg->szName, pDrvIns->iInstance, rc));
1123	return rc;
1124	}
1125
1126
1127	/** @interface_method_impl{PDMDRVHLP,pfnSetAsyncNotification} */
1128	static DECLCALLBACK(int) pdmR3DrvHlp_SetAsyncNotification(PPDMDRVINS pDrvIns, PFNPDMDRVASYNCNOTIFY pfnAsyncNotify)
1129	{
1130	PDMDRV_ASSERT_DRVINS(pDrvIns);
1131	VM_ASSERT_EMT0(pDrvIns->Internal.s.pVMR3);
1132	LogFlow(("pdmR3DrvHlp_SetAsyncNotification: caller='%s'/%d: pfnAsyncNotify=%p\n", pDrvIns->pReg->szName, pDrvIns->iInstance, pfnAsyncNotify));
1133
1134	int rc = VINF_SUCCESS;
1135	AssertStmt(pfnAsyncNotify, rc = VERR_INVALID_PARAMETER);
1136	AssertStmt(!pDrvIns->Internal.s.pfnAsyncNotify, rc = VERR_WRONG_ORDER);
1137	AssertStmt(pDrvIns->Internal.s.fVMSuspended \|\| pDrvIns->Internal.s.fVMReset, rc = VERR_WRONG_ORDER);
1138	VMSTATE enmVMState = VMR3GetState(pDrvIns->Internal.s.pVMR3);
1139	AssertStmt( enmVMState == VMSTATE_SUSPENDING
1140	\|\| enmVMState == VMSTATE_SUSPENDING_EXT_LS
1141	\|\| enmVMState == VMSTATE_SUSPENDING_LS
1142	\|\| enmVMState == VMSTATE_RESETTING
1143	\|\| enmVMState == VMSTATE_RESETTING_LS
1144	\|\| enmVMState == VMSTATE_POWERING_OFF
1145	\|\| enmVMState == VMSTATE_POWERING_OFF_LS,
1146	rc = VERR_INVALID_STATE);
1147
1148	if (RT_SUCCESS(rc))
1149	pDrvIns->Internal.s.pfnAsyncNotify = pfnAsyncNotify;
1150
1151	LogFlow(("pdmR3DrvHlp_SetAsyncNotification: caller='%s'/%d: returns %Rrc\n", pDrvIns->pReg->szName, pDrvIns->iInstance, rc));
1152	return rc;
1153	}
1154
1155
1156	/** @interface_method_impl{PDMDRVHLP,pfnAsyncNotificationCompleted} */
1157	static DECLCALLBACK(void) pdmR3DrvHlp_AsyncNotificationCompleted(PPDMDRVINS pDrvIns)
1158	{
1159	PDMDRV_ASSERT_DRVINS(pDrvIns);
1160	PVM pVM = pDrvIns->Internal.s.pVMR3;
1161
1162	VMSTATE enmVMState = VMR3GetState(pVM);
1163	if ( enmVMState == VMSTATE_SUSPENDING
1164	\|\| enmVMState == VMSTATE_SUSPENDING_EXT_LS
1165	\|\| enmVMState == VMSTATE_SUSPENDING_LS
1166	\|\| enmVMState == VMSTATE_RESETTING
1167	\|\| enmVMState == VMSTATE_RESETTING_LS
1168	\|\| enmVMState == VMSTATE_POWERING_OFF
1169	\|\| enmVMState == VMSTATE_POWERING_OFF_LS)
1170	{
1171	LogFlow(("pdmR3DrvHlp_AsyncNotificationCompleted: caller='%s'/%d:\n", pDrvIns->pReg->szName, pDrvIns->iInstance));
1172	VMR3AsyncPdmNotificationWakeupU(pVM->pUVM);
1173	}
1174	else
1175	LogFlow(("pdmR3DrvHlp_AsyncNotificationCompleted: caller='%s'/%d: enmVMState=%d\n", pDrvIns->pReg->szName, pDrvIns->iInstance, enmVMState));
1176	}
1177
1178
1179	/** @interface_method_impl{PDMDRVHLP,pfnThreadCreate} */
1180	static DECLCALLBACK(int) pdmR3DrvHlp_ThreadCreate(PPDMDRVINS pDrvIns, PPPDMTHREAD ppThread, void *pvUser, PFNPDMTHREADDRV pfnThread,
1181	PFNPDMTHREADWAKEUPDRV pfnWakeup, size_t cbStack, RTTHREADTYPE enmType, const char *pszName)
1182	{
1183	PDMDRV_ASSERT_DRVINS(pDrvIns);
1184	VM_ASSERT_EMT(pDrvIns->Internal.s.pVMR3);
1185	LogFlow(("pdmR3DrvHlp_ThreadCreate: caller='%s'/%d: ppThread=%p pvUser=%p pfnThread=%p pfnWakeup=%p cbStack=%#zx enmType=%d pszName=%p:{%s}\n",
1186	pDrvIns->pReg->szName, pDrvIns->iInstance, ppThread, pvUser, pfnThread, pfnWakeup, cbStack, enmType, pszName, pszName));
1187
1188	int rc = pdmR3ThreadCreateDriver(pDrvIns->Internal.s.pVMR3, pDrvIns, ppThread, pvUser, pfnThread, pfnWakeup, cbStack, enmType, pszName);
1189
1190	LogFlow(("pdmR3DrvHlp_ThreadCreate: caller='%s'/%d: returns %Rrc *ppThread=%RTthrd\n", pDrvIns->pReg->szName, pDrvIns->iInstance,
1191	rc, *ppThread));
1192	return rc;
1193	}
1194
1195
1196	/** @interface_method_impl{PDMDRVHLP,pfnAsyncCompletionTemplateCreate} */
1197	static DECLCALLBACK(int) pdmR3DrvHlp_AsyncCompletionTemplateCreate(PPDMDRVINS pDrvIns, PPPDMASYNCCOMPLETIONTEMPLATE ppTemplate,
1198	PFNPDMASYNCCOMPLETEDRV pfnCompleted, void *pvTemplateUser,
1199	const char *pszDesc)
1200	{
1201	PDMDRV_ASSERT_DRVINS(pDrvIns);
1202	LogFlow(("pdmR3DrvHlp_AsyncCompletionTemplateCreate: caller='%s'/%d: ppTemplate=%p pfnCompleted=%p pszDesc=%p:{%s}\n",
1203	pDrvIns->pReg->szName, pDrvIns->iInstance, ppTemplate, pfnCompleted, pszDesc, pszDesc));
1204
1205	int rc = PDMR3AsyncCompletionTemplateCreateDriver(pDrvIns->Internal.s.pVMR3, pDrvIns, ppTemplate, pfnCompleted, pvTemplateUser, pszDesc);
1206
1207	LogFlow(("pdmR3DrvHlp_AsyncCompletionTemplateCreate: caller='%s'/%d: returns %Rrc *ppThread=%p\n", pDrvIns->pReg->szName,
1208	pDrvIns->iInstance, rc, *ppTemplate));
1209	return rc;
1210	}
1211
1212
1213	/** @interface_method_impl{PDMDRVHLP,pfnLdrGetRCInterfaceSymbols} */
1214	static DECLCALLBACK(int) pdmR3DrvHlp_LdrGetRCInterfaceSymbols(PPDMDRVINS pDrvIns, void *pvInterface, size_t cbInterface,
1215	const char pszSymPrefix, const char pszSymList)
1216	{
1217	PDMDRV_ASSERT_DRVINS(pDrvIns);
1218	VM_ASSERT_EMT(pDrvIns->Internal.s.pVMR3);
1219	LogFlow(("pdmR3DrvHlp_LdrGetRCInterfaceSymbols: caller='%s'/%d: pvInterface=%p cbInterface=%zu pszSymPrefix=%p:{%s} pszSymList=%p:{%s}\n",
1220	pDrvIns->pReg->szName, pDrvIns->iInstance, pvInterface, cbInterface, pszSymPrefix, pszSymPrefix, pszSymList, pszSymList));
1221
1222	int rc;
1223	if ( strncmp(pszSymPrefix, "drv", 3) == 0
1224	&& RTStrIStr(pszSymPrefix + 3, pDrvIns->pReg->szName) != NULL)
1225	{
1226	if (pDrvIns->pReg->fFlags & PDM_DRVREG_FLAGS_RC)
1227	rc = PDMR3LdrGetInterfaceSymbols(pDrvIns->Internal.s.pVMR3, pvInterface, cbInterface,
1228	pDrvIns->pReg->szRCMod, pszSymPrefix, pszSymList,
1229	false /fRing0OrRC/);
1230	else
1231	{
1232	AssertMsgFailed(("Not a raw-mode enabled driver\n"));
1233	rc = VERR_PERMISSION_DENIED;
1234	}
1235	}
1236	else
1237	{
1238	AssertMsgFailed(("Invalid prefix '%s' for '%s'; must start with 'drv' and contain the driver name!\n",
1239	pszSymPrefix, pDrvIns->pReg->szName));
1240	rc = VERR_INVALID_NAME;
1241	}
1242
1243	LogFlow(("pdmR3DrvHlp_LdrGetRCInterfaceSymbols: caller='%s'/%d: returns %Rrc\n", pDrvIns->pReg->szName,
1244	pDrvIns->iInstance, rc));
1245	return rc;
1246	}
1247
1248
1249	/** @interface_method_impl{PDMDRVHLP,pfnLdrGetR0InterfaceSymbols} */
1250	static DECLCALLBACK(int) pdmR3DrvHlp_LdrGetR0InterfaceSymbols(PPDMDRVINS pDrvIns, void *pvInterface, size_t cbInterface,
1251	const char pszSymPrefix, const char pszSymList)
1252	{
1253	PDMDRV_ASSERT_DRVINS(pDrvIns);
1254	VM_ASSERT_EMT(pDrvIns->Internal.s.pVMR3);
1255	LogFlow(("pdmR3DrvHlp_LdrGetR0InterfaceSymbols: caller='%s'/%d: pvInterface=%p cbInterface=%zu pszSymPrefix=%p:{%s} pszSymList=%p:{%s}\n",
1256	pDrvIns->pReg->szName, pDrvIns->iInstance, pvInterface, cbInterface, pszSymPrefix, pszSymPrefix, pszSymList, pszSymList));
1257
1258	int rc;
1259	if ( strncmp(pszSymPrefix, "drv", 3) == 0
1260	&& RTStrIStr(pszSymPrefix + 3, pDrvIns->pReg->szName) != NULL)
1261	{
1262	if (pDrvIns->pReg->fFlags & PDM_DRVREG_FLAGS_R0)
1263	rc = PDMR3LdrGetInterfaceSymbols(pDrvIns->Internal.s.pVMR3, pvInterface, cbInterface,
1264	pDrvIns->pReg->szR0Mod, pszSymPrefix, pszSymList,
1265	true /fRing0OrRC/);
1266	else
1267	{
1268	AssertMsgFailed(("Not a ring-0 enabled driver\n"));
1269	rc = VERR_PERMISSION_DENIED;
1270	}
1271	}
1272	else
1273	{
1274	AssertMsgFailed(("Invalid prefix '%s' for '%s'; must start with 'drv' and contain the driver name!\n",
1275	pszSymPrefix, pDrvIns->pReg->szName));
1276	rc = VERR_INVALID_NAME;
1277	}
1278
1279	LogFlow(("pdmR3DrvHlp_LdrGetR0InterfaceSymbols: caller='%s'/%d: returns %Rrc\n", pDrvIns->pReg->szName,
1280	pDrvIns->iInstance, rc));
1281	return rc;
1282	}
1283
1284
1285	/** @interface_method_impl{PDMDRVHLP,pfnCritSectInit} */
1286	static DECLCALLBACK(int) pdmR3DrvHlp_CritSectInit(PPDMDRVINS pDrvIns, PPDMCRITSECT pCritSect,
1287	RT_SRC_POS_DECL, const char *pszName)
1288	{
1289	PDMDRV_ASSERT_DRVINS(pDrvIns);
1290	PVM pVM = pDrvIns->Internal.s.pVMR3;
1291	VM_ASSERT_EMT(pVM);
1292	LogFlow(("pdmR3DrvHlp_CritSectInit: caller='%s'/%d: pCritSect=%p pszName=%s\n",
1293	pDrvIns->pReg->szName, pDrvIns->iInstance, pCritSect, pszName));
1294
1295	int rc = pdmR3CritSectInitDriver(pVM, pDrvIns, pCritSect, RT_SRC_POS_ARGS, "%s_%u", pszName, pDrvIns->iInstance);
1296
1297	LogFlow(("pdmR3DrvHlp_CritSectInit: caller='%s'/%d: returns %Rrc\n", pDrvIns->pReg->szName,
1298	pDrvIns->iInstance, rc));
1299	return rc;
1300	}
1301
1302
1303	/** @interface_method_impl{PDMDRVHLP,pfnCallR0} */
1304	static DECLCALLBACK(int) pdmR3DrvHlp_CallR0(PPDMDRVINS pDrvIns, uint32_t uOperation, uint64_t u64Arg)
1305	{
1306	PDMDRV_ASSERT_DRVINS(pDrvIns);
1307	PVM pVM = pDrvIns->Internal.s.pVMR3;
1308	LogFlow(("pdmR3DrvHlp_CallR0: caller='%s'/%d: uOperation=%#x u64Arg=%#RX64\n",
1309	pDrvIns->pReg->szName, pDrvIns->iInstance, uOperation, u64Arg));
1310
1311	/*
1312	* Lazy resolve the ring-0 entry point.
1313	*/
1314	int rc = VINF_SUCCESS;
1315	PFNPDMDRVREQHANDLERR0 pfnReqHandlerR0 = pDrvIns->Internal.s.pfnReqHandlerR0;
1316	if (RT_UNLIKELY(pfnReqHandlerR0 == NIL_RTR0PTR))
1317	{
1318	if (pDrvIns->pReg->fFlags & PDM_DRVREG_FLAGS_R0)
1319	{
1320	char szSymbol[ sizeof("drvR0") + sizeof(pDrvIns->pReg->szName) + sizeof("ReqHandler")];
1321	strcat(strcat(strcpy(szSymbol, "drvR0"), pDrvIns->pReg->szName), "ReqHandler");
1322	szSymbol[sizeof("drvR0") - 1] = RT_C_TO_UPPER(szSymbol[sizeof("drvR0") - 1]);
1323
1324	rc = PDMR3LdrGetSymbolR0Lazy(pVM, pDrvIns->pReg->szR0Mod, szSymbol, &pfnReqHandlerR0);
1325	if (RT_SUCCESS(rc))
1326	pDrvIns->Internal.s.pfnReqHandlerR0 = pfnReqHandlerR0;
1327	else
1328	pfnReqHandlerR0 = NIL_RTR0PTR;
1329	}
1330	else
1331	rc = VERR_ACCESS_DENIED;
1332	}
1333	if (RT_LIKELY(pfnReqHandlerR0 != NIL_RTR0PTR))
1334	{
1335	/*
1336	* Make the ring-0 call.
1337	*/
1338	PDMDRIVERCALLREQHANDLERREQ Req;
1339	Req.Hdr.u32Magic = SUPVMMR0REQHDR_MAGIC;
1340	Req.Hdr.cbReq = sizeof(Req);
1341	Req.pDrvInsR0 = PDMDRVINS_2_R0PTR(pDrvIns);
1342	Req.uOperation = uOperation;
1343	Req.u32Alignment = 0;
1344	Req.u64Arg = u64Arg;
1345	rc = SUPR3CallVMMR0Ex(pVM->pVMR0, NIL_VMCPUID, VMMR0_DO_PDM_DRIVER_CALL_REQ_HANDLER, 0, &Req.Hdr);
1346	}
1347
1348	LogFlow(("pdmR3DrvHlp_CallR0: caller='%s'/%d: returns %Rrc\n", pDrvIns->pReg->szName,
1349	pDrvIns->iInstance, rc));
1350	return rc;
1351	}
1352
1353
1354	/**
1355	* The driver helper structure.
1356	*/
1357	const PDMDRVHLPR3 g_pdmR3DrvHlp =
1358	{
1359	PDM_DRVHLPR3_VERSION,
1360	pdmR3DrvHlp_Attach,
1361	pdmR3DrvHlp_Detach,
1362	pdmR3DrvHlp_DetachSelf,
1363	pdmR3DrvHlp_MountPrepare,
1364	pdmR3DrvHlp_AssertEMT,
1365	pdmR3DrvHlp_AssertOther,
1366	pdmR3DrvHlp_VMSetError,
1367	pdmR3DrvHlp_VMSetErrorV,
1368	pdmR3DrvHlp_VMSetRuntimeError,
1369	pdmR3DrvHlp_VMSetRuntimeErrorV,
1370	pdmR3DrvHlp_VMState,
1371	pdmR3DrvHlp_VMTeleportedAndNotFullyResumedYet,
1372	pdmR3DrvHlp_GetSupDrvSession,
1373	pdmR3DrvHlp_QueueCreate,
1374	pdmR3DrvHlp_TMGetVirtualFreq,
1375	pdmR3DrvHlp_TMGetVirtualTime,
1376	pdmR3DrvHlp_TMTimerCreate,
1377	pdmR3DrvHlp_SSMRegister,
1378	pdmR3DrvHlp_SSMDeregister,
1379	pdmR3DrvHlp_STAMRegister,
1380	pdmR3DrvHlp_STAMRegisterF,
1381	pdmR3DrvHlp_STAMRegisterV,
1382	pdmR3DrvHlp_STAMDeregister,
1383	pdmR3DrvHlp_SUPCallVMMR0Ex,
1384	pdmR3DrvHlp_USBRegisterHub,
1385	pdmR3DrvHlp_SetAsyncNotification,
1386	pdmR3DrvHlp_AsyncNotificationCompleted,
1387	pdmR3DrvHlp_ThreadCreate,
1388	pdmR3DrvHlp_AsyncCompletionTemplateCreate,
1389	pdmR3DrvHlp_LdrGetRCInterfaceSymbols,
1390	pdmR3DrvHlp_LdrGetR0InterfaceSymbols,
1391	pdmR3DrvHlp_CritSectInit,
1392	pdmR3DrvHlp_CallR0,
1393	PDM_DRVHLPR3_VERSION /* u32TheEnd */
1394	};
1395
1396	/** @} */

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source: vbox/trunk/src/VBox/VMM/PDMDriver.cpp@ 29560

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