PDMUsb.cpp@ 32048

Last change on this file since 32048 was 30528, checked in by vboxsync, 14 years ago
USB: properly name internal USB devices for logging
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1	/* $Id: PDMUsb.cpp 30528 2010-06-30 14:16:44Z vboxsync $ */
2	/** @file
3	* PDM - Pluggable Device and Driver Manager, USB part.
4	*/
5
6	/*
7	* Copyright (C) 2006-2007 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/vusb.h>
26	#include <VBox/mm.h>
27	#include <VBox/cfgm.h>
28	#include <VBox/vmm.h>
29	#include <VBox/sup.h>
30	#include <VBox/vm.h>
31	#include <VBox/version.h>
32	#include <VBox/err.h>
33
34	#include <VBox/log.h>
35	#include <iprt/assert.h>
36	#include <iprt/thread.h>
37	#include <iprt/string.h>
38	#include <iprt/asm.h>
39	#include <iprt/alloc.h>
40	#include <iprt/alloca.h>
41	#include <iprt/path.h>
42	#include <iprt/uuid.h>
43
44
45	/*******************************************************************************
46	* Structures and Typedefs *
47	*******************************************************************************/
48	/**
49	* Internal callback structure pointer.
50	*
51	* The main purpose is to define the extra data we associate
52	* with PDMUSBREGCB so we can find the VM instance and so on.
53	*/
54	typedef struct PDMUSBREGCBINT
55	{
56	/** The callback structure. */
57	PDMUSBREGCB Core;
58	/** A bit of padding. */
59	uint32_t u32[4];
60	/** VM Handle. */
61	PVM pVM;
62	} PDMUSBREGCBINT, *PPDMUSBREGCBINT;
63	typedef const PDMUSBREGCBINT *PCPDMUSBREGCBINT;
64
65
66	/*******************************************************************************
67	* Defined Constants And Macros *
68	*******************************************************************************/
69	/** @def PDMUSB_ASSERT_USBINS
70	* Asserts the validity of the USB device instance.
71	*/
72	#ifdef VBOX_STRICT
73	# define PDMUSB_ASSERT_USBINS(pUsbIns) \
74	do { \
75	AssertPtr(pUsbIns); \
76	Assert(pUsbIns->u32Version == PDM_USBINS_VERSION); \
77	Assert(pUsbIns->pvInstanceDataR3 == (void *)&pUsbIns->achInstanceData[0]); \
78	} while (0)
79	#else
80	# define PDMUSB_ASSERT_USBINS(pUsbIns) do { } while (0)
81	#endif
82
83
84	/*******************************************************************************
85	* Internal Functions *
86	*******************************************************************************/
87	static void pdmR3UsbDestroyDevice(PVM pVM, PPDMUSBINS pUsbIns);
88
89
90	/*******************************************************************************
91	* Global Variables *
92	*******************************************************************************/
93	extern const PDMUSBHLP g_pdmR3UsbHlp;
94
95
96	AssertCompile(sizeof(PDMUSBINSINT) <= RT_SIZEOFMEMB(PDMUSBINS, Internal.padding));
97
98
99	/**
100	* Registers a USB hub driver.
101	*
102	* @returns VBox status code.
103	* @param pVM The VM handle.
104	* @param pDrvIns The driver instance of the hub.
105	* @param fVersions Indicates the kinds of USB devices that can be attached to this HUB.
106	* @param cPorts The number of ports.
107	* @param pUsbHubReg The hub callback structure that PDMUsb uses to interact with it.
108	* @param ppUsbHubHlp The helper callback structure that the hub uses to talk to PDMUsb.
109	* @thread EMT
110	*/
111	int pdmR3UsbRegisterHub(PVM pVM, PPDMDRVINS pDrvIns, uint32_t fVersions, uint32_t cPorts, PCPDMUSBHUBREG pUsbHubReg, PPCPDMUSBHUBHLP ppUsbHubHlp)
112	{
113	/*
114	* Validate input.
115	*/
116	/* The driver must be in the USB class. */
117	if (!(pDrvIns->pReg->fClass & PDM_DRVREG_CLASS_USB))
118	{
119	LogRel(("pdmR3UsbRegisterHub: fClass=%#x expected %#x to be set\n", pDrvIns->pReg->fClass, PDM_DRVREG_CLASS_USB));
120	return VERR_INVALID_PARAMETER;
121	}
122	AssertMsgReturn(!(fVersions & ~(VUSB_STDVER_11 \| VUSB_STDVER_20)), ("%#x\n", fVersions), VERR_INVALID_PARAMETER);
123	AssertPtrReturn(ppUsbHubHlp, VERR_INVALID_POINTER);
124	AssertPtrReturn(pUsbHubReg, VERR_INVALID_POINTER);
125	AssertReturn(pUsbHubReg->u32Version == PDM_USBHUBREG_VERSION, VERR_INVALID_MAGIC);
126	AssertReturn(pUsbHubReg->u32TheEnd == PDM_USBHUBREG_VERSION, VERR_INVALID_MAGIC);
127	AssertPtrReturn(pUsbHubReg->pfnAttachDevice, VERR_INVALID_PARAMETER);
128	AssertPtrReturn(pUsbHubReg->pfnDetachDevice, VERR_INVALID_PARAMETER);
129
130	/*
131	* Check for duplicate registration and find the last hub for FIFO registration.
132	*/
133	PPDMUSBHUB pPrev = NULL;
134	for (PPDMUSBHUB pCur = pVM->pdm.s.pUsbHubs; pCur; pCur = pCur->pNext)
135	{
136	if (pCur->pDrvIns == pDrvIns)
137	return VERR_PDM_USB_HUB_EXISTS;
138	pPrev = pCur;
139	}
140
141	/*
142	* Create an internal USB hub structure.
143	*/
144	PPDMUSBHUB pHub = (PPDMUSBHUB)MMR3HeapAlloc(pVM, MM_TAG_PDM_DRIVER, sizeof(*pHub));
145	if (!pHub)
146	return VERR_NO_MEMORY;
147
148	pHub->fVersions = fVersions;
149	pHub->cPorts = cPorts;
150	pHub->cAvailablePorts = cPorts;
151	pHub->pDrvIns = pDrvIns;
152	pHub->Reg = *pUsbHubReg;
153	pHub->pNext = NULL;
154
155	/* link it */
156	if (pPrev)
157	pPrev->pNext = pHub;
158	else
159	pVM->pdm.s.pUsbHubs = pHub;
160
161	Log(("PDM: Registered USB hub %p/%s\n", pDrvIns, pDrvIns->pReg->szName));
162	return VINF_SUCCESS;
163	}
164
165
166	/**
167	* Loads one device module and call the registration entry point.
168	*
169	* @returns VBox status code.
170	* @param pVM VM handle.
171	* @param pRegCB The registration callback stuff.
172	* @param pszFilename Module filename.
173	* @param pszName Module name.
174	*/
175	static int pdmR3UsbLoad(PVM pVM, PCPDMUSBREGCBINT pRegCB, const char pszFilename, const char pszName)
176	{
177	/*
178	* Load it.
179	*/
180	int rc = pdmR3LoadR3U(pVM->pUVM, pszFilename, pszName);
181	if (RT_SUCCESS(rc))
182	{
183	/*
184	* Get the registration export and call it.
185	*/
186	FNPDMVBOXUSBREGISTER *pfnVBoxUsbRegister;
187	rc = PDMR3LdrGetSymbolR3(pVM, pszName, "VBoxUsbRegister", (void **)&pfnVBoxUsbRegister);
188	if (RT_SUCCESS(rc))
189	{
190	Log(("PDM: Calling VBoxUsbRegister (%p) of %s (%s)\n", pfnVBoxUsbRegister, pszName, pszFilename));
191	rc = pfnVBoxUsbRegister(&pRegCB->Core, VBOX_VERSION);
192	if (RT_SUCCESS(rc))
193	Log(("PDM: Successfully loaded device module %s (%s).\n", pszName, pszFilename));
194	else
195	AssertMsgFailed(("VBoxDevicesRegister failed with rc=%Rrc for module %s (%s)\n", rc, pszName, pszFilename));
196	}
197	else
198	{
199	AssertMsgFailed(("Failed to locate 'VBoxUsbRegister' in %s (%s) rc=%Rrc\n", pszName, pszFilename, rc));
200	if (rc == VERR_SYMBOL_NOT_FOUND)
201	rc = VERR_PDM_NO_REGISTRATION_EXPORT;
202	}
203	}
204	else
205	AssertMsgFailed(("Failed to load VBoxDD!\n"));
206	return rc;
207	}
208
209
210
211	/**
212	* @interface_method_impl{PDMUSBREGCB,pfnRegister}
213	*/
214	static DECLCALLBACK(int) pdmR3UsbReg_Register(PCPDMUSBREGCB pCallbacks, PCPDMUSBREG pReg)
215	{
216	/*
217	* Validate the registration structure.
218	*/
219	Assert(pReg);
220	AssertMsgReturn(pReg->u32Version == PDM_USBREG_VERSION,
221	("Unknown struct version %#x!\n", pReg->u32Version),
222	VERR_PDM_UNKNOWN_USBREG_VERSION);
223	AssertMsgReturn( pReg->szName[0]
224	&& strlen(pReg->szName) < sizeof(pReg->szName),
225	("Invalid name '%s'\n", pReg->szName),
226	VERR_PDM_INVALID_USB_REGISTRATION);
227	AssertMsgReturn(pReg->fFlags == 0, ("fFlags=%#x\n", pReg->fFlags), VERR_PDM_INVALID_USB_REGISTRATION);
228	AssertMsgReturn(pReg->cMaxInstances > 0,
229	("Max instances %u! (USB Device %s)\n", pReg->cMaxInstances, pReg->szName),
230	VERR_PDM_INVALID_USB_REGISTRATION);
231	AssertMsgReturn(pReg->cbInstance <= _1M,
232	("Instance size %d bytes! (USB Device %s)\n", pReg->cbInstance, pReg->szName),
233	VERR_PDM_INVALID_USB_REGISTRATION);
234	AssertMsgReturn(pReg->pfnConstruct, ("No constructore! (USB Device %s)\n", pReg->szName),
235	VERR_PDM_INVALID_USB_REGISTRATION);
236
237	/*
238	* Check for duplicate and find FIFO entry at the same time.
239	*/
240	PCPDMUSBREGCBINT pRegCB = (PCPDMUSBREGCBINT)pCallbacks;
241	PPDMUSB pUsbPrev = NULL;
242	PPDMUSB pUsb = pRegCB->pVM->pdm.s.pUsbDevs;
243	for (; pUsb; pUsbPrev = pUsb, pUsb = pUsb->pNext)
244	AssertMsgReturn(strcmp(pUsb->pReg->szName, pReg->szName),
245	("USB Device '%s' already exists\n", pReg->szName),
246	VERR_PDM_USB_NAME_CLASH);
247
248	/*
249	* Allocate new device structure and insert it into the list.
250	*/
251	pUsb = (PPDMUSB)MMR3HeapAlloc(pRegCB->pVM, MM_TAG_PDM_DEVICE, sizeof(*pUsb));
252	if (pUsb)
253	{
254	pUsb->pNext = NULL;
255	pUsb->iNextInstance = 0;
256	pUsb->pInstances = NULL;
257	pUsb->pReg = pReg;
258	pUsb->cchName = (RTUINT)strlen(pReg->szName);
259
260	if (pUsbPrev)
261	pUsbPrev->pNext = pUsb;
262	else
263	pRegCB->pVM->pdm.s.pUsbDevs = pUsb;
264	Log(("PDM: Registered USB device '%s'\n", pReg->szName));
265	return VINF_SUCCESS;
266	}
267	return VERR_NO_MEMORY;
268	}
269
270
271	/**
272	* Load USB Device modules.
273	*
274	* This is called by pdmR3DevInit() after it has loaded it's device modules.
275	*
276	* @returns VBox status code.
277	* @param pVM The VM handle.
278	*/
279	int pdmR3UsbLoadModules(PVM pVM)
280	{
281	LogFlow(("pdmR3UsbLoadModules:\n"));
282
283	AssertRelease(!(RT_OFFSETOF(PDMUSBINS, achInstanceData) & 15));
284	AssertRelease(sizeof(pVM->pdm.s.pUsbInstances->Internal.s) <= sizeof(pVM->pdm.s.pUsbInstances->Internal.padding));
285
286	/*
287	* Initialize the callback structure.
288	*/
289	PDMUSBREGCBINT RegCB;
290	RegCB.Core.u32Version = PDM_USBREG_CB_VERSION;
291	RegCB.Core.pfnRegister = pdmR3UsbReg_Register;
292	RegCB.pVM = pVM;
293
294	/*
295	* Load the builtin module
296	*/
297	PCFGMNODE pUsbNode = CFGMR3GetChild(CFGMR3GetRoot(pVM), "PDM/USB/");
298	bool fLoadBuiltin;
299	int rc = CFGMR3QueryBool(pUsbNode, "LoadBuiltin", &fLoadBuiltin);
300	if (rc == VERR_CFGM_VALUE_NOT_FOUND \|\| rc == VERR_CFGM_NO_PARENT)
301	fLoadBuiltin = true;
302	else if (RT_FAILURE(rc))
303	{
304	AssertMsgFailed(("Configuration error: Querying boolean \"LoadBuiltin\" failed with %Rrc\n", rc));
305	return rc;
306	}
307	if (fLoadBuiltin)
308	{
309	/* make filename */
310	char pszFilename = pdmR3FileR3("VBoxDD", / fShared = */ true);
311	if (!pszFilename)
312	return VERR_NO_TMP_MEMORY;
313	rc = pdmR3UsbLoad(pVM, &RegCB, pszFilename, "VBoxDD");
314	RTMemTmpFree(pszFilename);
315	if (RT_FAILURE(rc))
316	return rc;
317	}
318
319	/*
320	* Load additional device modules.
321	*/
322	PCFGMNODE pCur;
323	for (pCur = CFGMR3GetFirstChild(pUsbNode); pCur; pCur = CFGMR3GetNextChild(pCur))
324	{
325	/*
326	* Get the name and path.
327	*/
328	char szName[PDMMOD_NAME_LEN];
329	rc = CFGMR3GetName(pCur, &szName[0], sizeof(szName));
330	if (rc == VERR_CFGM_NOT_ENOUGH_SPACE)
331	{
332	AssertMsgFailed(("configuration error: The module name is too long, cchName=%zu.\n", CFGMR3GetNameLen(pCur)));
333	return VERR_PDM_MODULE_NAME_TOO_LONG;
334	}
335	else if (RT_FAILURE(rc))
336	{
337	AssertMsgFailed(("CFGMR3GetName -> %Rrc.\n", rc));
338	return rc;
339	}
340
341	/* the path is optional, if no path the module name + path is used. */
342	char szFilename[RTPATH_MAX];
343	rc = CFGMR3QueryString(pCur, "Path", &szFilename[0], sizeof(szFilename));
344	if (rc == VERR_CFGM_VALUE_NOT_FOUND)
345	strcpy(szFilename, szName);
346	else if (RT_FAILURE(rc))
347	{
348	AssertMsgFailed(("configuration error: Failure to query the module path, rc=%Rrc.\n", rc));
349	return rc;
350	}
351
352	/* prepend path? */
353	if (!RTPathHavePath(szFilename))
354	{
355	char *psz = pdmR3FileR3(szFilename);
356	if (!psz)
357	return VERR_NO_TMP_MEMORY;
358	size_t cch = strlen(psz) + 1;
359	if (cch > sizeof(szFilename))
360	{
361	RTMemTmpFree(psz);
362	AssertMsgFailed(("Filename too long! cch=%d '%s'\n", cch, psz));
363	return VERR_FILENAME_TOO_LONG;
364	}
365	memcpy(szFilename, psz, cch);
366	RTMemTmpFree(psz);
367	}
368
369	/*
370	* Load the module and register it's devices.
371	*/
372	rc = pdmR3UsbLoad(pVM, &RegCB, szFilename, szName);
373	if (RT_FAILURE(rc))
374	return rc;
375	}
376
377	return VINF_SUCCESS;
378	}
379
380
381	/**
382	* Send the init-complete notification to all the USB devices.
383	*
384	* This is called from pdmR3DevInit() after it has do its noficiation round.
385	*
386	* @returns VBox status code.
387	* @param pVM The VM handle.
388	*/
389	int pdmR3UsbVMInitComplete(PVM pVM)
390	{
391	for (PPDMUSBINS pUsbIns = pVM->pdm.s.pUsbInstances; pUsbIns; pUsbIns = pUsbIns->Internal.s.pNext)
392	{
393	if (pUsbIns->pReg->pfnVMInitComplete)
394	{
395	int rc = pUsbIns->pReg->pfnVMInitComplete(pUsbIns);
396	if (RT_FAILURE(rc))
397	{
398	AssertMsgFailed(("InitComplete on USB device '%s'/%d failed with rc=%Rrc\n",
399	pUsbIns->pReg->szName, pUsbIns->iInstance, rc));
400	return rc;
401	}
402	}
403	}
404	return VINF_SUCCESS;
405	}
406
407
408	/**
409	* Lookups a device structure by name.
410	* @internal
411	*/
412	PPDMUSB pdmR3UsbLookup(PVM pVM, const char *pszName)
413	{
414	size_t cchName = strlen(pszName);
415	for (PPDMUSB pUsb = pVM->pdm.s.pUsbDevs; pUsb; pUsb = pUsb->pNext)
416	if ( pUsb->cchName == cchName
417	&& !strcmp(pUsb->pReg->szName, pszName))
418	return pUsb;
419	return NULL;
420	}
421
422
423	/**
424	* Locates a suitable hub for the specified kind of device.
425	*
426	* @returns VINF_SUCCESS and *ppHub on success.
427	* VERR_PDM_NO_USB_HUBS or VERR_PDM_NO_USB_PORTS on failure.
428	* @param pVM The VM handle.
429	* @param iUsbVersion The USB device version.
430	* @param ppHub Where to store the pointer to the USB hub.
431	*/
432	static int pdmR3UsbFindHub(PVM pVM, uint32_t iUsbVersion, PPDMUSBHUB *ppHub)
433	{
434	*ppHub = NULL;
435	if (!pVM->pdm.s.pUsbHubs)
436	return VERR_PDM_NO_USB_HUBS;
437
438	for (PPDMUSBHUB pCur = pVM->pdm.s.pUsbHubs; pCur; pCur = pCur->pNext)
439	if ( pCur->cAvailablePorts > 0
440	&& ( (pCur->fVersions & iUsbVersion)
441	\|\| pCur->fVersions == VUSB_STDVER_11))
442	{
443	*ppHub = pCur;
444	if (pCur->fVersions & iUsbVersion)
445	break;
446	}
447	if (*ppHub)
448	return VINF_SUCCESS;
449	return VERR_PDM_NO_USB_PORTS;
450	}
451
452
453	/**
454	* Creates the device.
455	*
456	* @returns VBox status code.
457	* @param pVM The VM handle.
458	* @param pUsbDev The USB device emulation.
459	* @param iInstance -1 if not called by pdmR3UsbInstantiateDevices().
460	* @param pUuid The UUID for this device.
461	* @param pInstanceNode The instance CFGM node. NULL if not called by pdmR3UsbInstantiateDevices().
462	* @param ppConfig Pointer to the device configuration pointer. This is set to NULL if inserted
463	* into the tree or cleaned up.
464	*
465	* In the pdmR3UsbInstantiateDevices() case (pInstanceNode != NULL) this is
466	* the actual config node and will not be cleaned up.
467	*
468	* @parma iUsbVersion The USB version prefered by the device.
469	*/
470	static int pdmR3UsbCreateDevice(PVM pVM, PPDMUSBHUB pHub, PPDMUSB pUsbDev, int iInstance, PCRTUUID pUuid, PCFGMNODE pInstanceNode, PCFGMNODE *ppConfig, uint32_t iUsbVersion)
471	{
472	const bool fAtRuntime = pInstanceNode == NULL;
473	int rc;
474
475	/*
476	* If not called by pdmR3UsbInstantiateDevices(), we'll have to fix
477	* the configuration now.
478	*/
479	/* USB device node. */
480	PCFGMNODE pDevNode = CFGMR3GetChildF(CFGMR3GetRoot(pVM), "USB/%s/", pUsbDev->pReg->szName);
481	if (!pDevNode)
482	{
483	rc = CFGMR3InsertNodeF(CFGMR3GetRoot(pVM), &pDevNode, "USB/%s/", pUsbDev->pReg->szName);
484	AssertRCReturn(rc, rc);
485	}
486
487	/* The instance node and number. */
488	if (!pInstanceNode)
489	{
490	for (unsigned c = 0; c < _2M; c++)
491	{
492	iInstance = pUsbDev->iNextInstance++;
493	rc = CFGMR3InsertNodeF(pDevNode, &pInstanceNode, "%d/", iInstance);
494	if (rc != VERR_CFGM_NODE_EXISTS)
495	break;
496	}
497	AssertRCReturn(rc, rc);
498	}
499	else
500	{
501	Assert(iInstance >= 0);
502	if (iInstance >= (int)pUsbDev->iNextInstance)
503	pUsbDev->iNextInstance = iInstance + 1;
504	}
505
506	/* The instance config node. */
507	PCFGMNODE pConfigToDelete = NULL;
508	PCFGMNODE pConfig = NULL;
509	if (!ppConfig \|\| !*ppConfig)
510	{
511	rc = CFGMR3InsertNode(pInstanceNode, "Config", &pConfig);
512	AssertRCReturn(rc, rc);
513	}
514	else if (fAtRuntime)
515	{
516	rc = CFGMR3InsertSubTree(pInstanceNode, "Config", *ppConfig, &pConfig);
517	AssertRCReturn(rc, rc);
518	*ppConfig = NULL;
519	pConfigToDelete = pConfig;
520	}
521	else
522	pConfig = *ppConfig;
523	Assert(CFGMR3GetChild(pInstanceNode, "Config") == pConfig);
524
525	/* The global device config node. */
526	PCFGMNODE pGlobalConfig = CFGMR3GetChild(pDevNode, "GlobalConfig");
527	if (!pGlobalConfig)
528	{
529	rc = CFGMR3InsertNode(pDevNode, "GlobalConfig", &pGlobalConfig);
530	if (RT_FAILURE(rc))
531	{
532	CFGMR3RemoveNode(pConfigToDelete);
533	AssertRCReturn(rc, rc);
534	}
535	}
536
537	/*
538	* Allocate the device instance.
539	*/
540	size_t cb = RT_OFFSETOF(PDMUSBINS, achInstanceData[pUsbDev->pReg->cbInstance]);
541	cb = RT_ALIGN_Z(cb, 16);
542	PPDMUSBINS pUsbIns;
543	rc = MMR3HeapAllocZEx(pVM, MM_TAG_PDM_USB, cb, (void **)&pUsbIns);
544	if (RT_FAILURE(rc))
545	{
546	AssertMsgFailed(("Failed to allocate %d bytes of instance data for USB device '%s'. rc=%Rrc\n",
547	cb, pUsbDev->pReg->szName, rc));
548	CFGMR3RemoveNode(pConfigToDelete);
549	return rc;
550	}
551
552	/*
553	* Initialize it.
554	*/
555	pUsbIns->u32Version = PDM_USBINS_VERSION;
556	//pUsbIns->Internal.s.pNext = NULL;
557	//pUsbIns->Internal.s.pPerDeviceNext = NULL;
558	pUsbIns->Internal.s.pUsbDev = pUsbDev;
559	pUsbIns->Internal.s.pVM = pVM;
560	//pUsbIns->Internal.s.pLuns = NULL;
561	pUsbIns->Internal.s.pCfg = pInstanceNode;
562	pUsbIns->Internal.s.pCfgDelete = pConfigToDelete;
563	pUsbIns->Internal.s.pCfgGlobal = pGlobalConfig;
564	pUsbIns->Internal.s.Uuid = *pUuid;
565	//pUsbIns->Internal.s.pHub = NULL;
566	pUsbIns->Internal.s.iPort = UINT32_MAX; /* to be determined. */
567	pUsbIns->Internal.s.fVMSuspended = true;
568	//pUsbIns->Internal.s.pfnAsyncNotify = NULL;
569	pUsbIns->pHlpR3 = &g_pdmR3UsbHlp;
570	pUsbIns->pReg = pUsbDev->pReg;
571	pUsbIns->pCfg = pConfig;
572	pUsbIns->pCfgGlobal = pGlobalConfig;
573	pUsbIns->iInstance = iInstance;
574	pUsbIns->pvInstanceDataR3 = &pUsbIns->achInstanceData[0];
575	pUsbIns->pszName = RTStrDup(pUsbDev->pReg->szName);
576
577	/*
578	* Link it into all the lists.
579	*/
580	/* The global instance FIFO. */
581	PPDMUSBINS pPrev1 = pVM->pdm.s.pUsbInstances;
582	if (!pPrev1)
583	pVM->pdm.s.pUsbInstances = pUsbIns;
584	else
585	{
586	while (pPrev1->Internal.s.pNext)
587	{
588	Assert(pPrev1->u32Version == PDM_USBINS_VERSION);
589	pPrev1 = pPrev1->Internal.s.pNext;
590	}
591	pPrev1->Internal.s.pNext = pUsbIns;
592	}
593
594	/* The per device instance FIFO. */
595	PPDMUSBINS pPrev2 = pUsbDev->pInstances;
596	if (!pPrev2)
597	pUsbDev->pInstances = pUsbIns;
598	else
599	{
600	while (pPrev2->Internal.s.pPerDeviceNext)
601	{
602	Assert(pPrev2->u32Version == PDM_USBINS_VERSION);
603	pPrev2 = pPrev2->Internal.s.pPerDeviceNext;
604	}
605	pPrev2->Internal.s.pPerDeviceNext = pUsbIns;
606	}
607
608	/*
609	* Call the constructor.
610	*/
611	Log(("PDM: Constructing USB device '%s' instance %d...\n", pUsbIns->pReg->szName, pUsbIns->iInstance));
612	rc = pUsbIns->pReg->pfnConstruct(pUsbIns, pUsbIns->iInstance, pUsbIns->pCfg, pUsbIns->pCfgGlobal);
613	if (RT_SUCCESS(rc))
614	{
615	/*
616	* Attach it to the hub.
617	*/
618	Log(("PDM: Attaching it...\n"));
619	rc = pHub->Reg.pfnAttachDevice(pHub->pDrvIns, pUsbIns, &pUsbIns->Internal.s.iPort);
620	if (RT_SUCCESS(rc))
621	{
622	pHub->cAvailablePorts--;
623	Assert((int32_t)pHub->cAvailablePorts >= 0 && pHub->cAvailablePorts < pHub->cPorts);
624	pUsbIns->Internal.s.pHub = pHub;
625
626	/* Send the hot-plugged notification if applicable. */
627	if (fAtRuntime && pUsbIns->pReg->pfnHotPlugged)
628	pUsbIns->pReg->pfnHotPlugged(pUsbIns);
629
630	Log(("PDM: Successfully attached USB device '%s' instance %d to hub %p\n",
631	pUsbIns->pReg->szName, pUsbIns->iInstance, pHub));
632	return VINF_SUCCESS;
633	}
634
635	LogRel(("PDM: Failed to attach USB device '%s' instance %d to hub %p: %Rrc\n",
636	pUsbIns->pReg->szName, pUsbIns->iInstance, pHub, rc));
637	}
638	else
639	AssertMsgFailed(("Failed to construct '%s'/%d! %Rra\n", pUsbIns->pReg->szName, pUsbIns->iInstance, rc));
640	if (fAtRuntime)
641	pdmR3UsbDestroyDevice(pVM, pUsbIns);
642	/* else: destructors are invoked later. */
643	return rc;
644	}
645
646
647	/**
648	* Instantiate USB devices.
649	*
650	* This is called by pdmR3DevInit() after it has instantiated the
651	* other devices and their drivers. If there aren't any hubs
652	* around, we'll silently skip the USB devices.
653	*
654	* @returns VBox status code.
655	* @param pVM
656	*/
657	int pdmR3UsbInstantiateDevices(PVM pVM)
658	{
659	/*
660	* Any hubs?
661	*/
662	if (!pVM->pdm.s.pUsbHubs)
663	{
664	Log(("PDM: No USB hubs, skipping USB device instantiation.\n"));
665	return VINF_SUCCESS;
666	}
667
668	/*
669	* Count the device instances.
670	*/
671	PCFGMNODE pCur;
672	PCFGMNODE pUsbNode = CFGMR3GetChild(CFGMR3GetRoot(pVM), "USB/");
673	PCFGMNODE pInstanceNode;
674	unsigned cUsbDevs = 0;
675	for (pCur = CFGMR3GetFirstChild(pUsbNode); pCur; pCur = CFGMR3GetNextChild(pCur))
676	{
677	PCFGMNODE pGlobal = CFGMR3GetChild(pCur, "GlobalConfig/");
678	for (pInstanceNode = CFGMR3GetFirstChild(pCur); pInstanceNode; pInstanceNode = CFGMR3GetNextChild(pInstanceNode))
679	if (pInstanceNode != pGlobal)
680	cUsbDevs++;
681	}
682	if (!cUsbDevs)
683	{
684	Log(("PDM: No USB devices were configured!\n"));
685	return VINF_SUCCESS;
686	}
687	Log2(("PDM: cUsbDevs=%d!\n", cUsbDevs));
688
689	/*
690	* Collect info on each USB device instance.
691	*/
692	struct USBDEVORDER
693	{
694	/** Configuration node. */
695	PCFGMNODE pNode;
696	/** Pointer to the USB device. */
697	PPDMUSB pUsbDev;
698	/** Init order. */
699	uint32_t u32Order;
700	/** VBox instance number. */
701	uint32_t iInstance;
702	} paUsbDevs = (struct USBDEVORDER )alloca(sizeof(paUsbDevs[0]) * (cUsbDevs + 1)); /* (One extra for swapping) */
703	Assert(paUsbDevs);
704	int rc;
705	unsigned i = 0;
706	for (pCur = CFGMR3GetFirstChild(pUsbNode); pCur; pCur = CFGMR3GetNextChild(pCur))
707	{
708	/* Get the device name. */
709	char szName[sizeof(paUsbDevs[0].pUsbDev->pReg->szName)];
710	rc = CFGMR3GetName(pCur, szName, sizeof(szName));
711	AssertMsgRCReturn(rc, ("Configuration error: device name is too long (or something)! rc=%Rrc\n", rc), rc);
712
713	/* Find the device. */
714	PPDMUSB pUsbDev = pdmR3UsbLookup(pVM, szName);
715	AssertMsgReturn(pUsbDev, ("Configuration error: device '%s' not found!\n", szName), VERR_PDM_DEVICE_NOT_FOUND);
716
717	/* Configured priority or use default? */
718	uint32_t u32Order;
719	rc = CFGMR3QueryU32(pCur, "Priority", &u32Order);
720	if (rc == VERR_CFGM_VALUE_NOT_FOUND)
721	u32Order = i << 4;
722	else
723	AssertMsgRCReturn(rc, ("Configuration error: reading \"Priority\" for the '%s' USB device failed rc=%Rrc!\n", szName, rc), rc);
724
725	/* Global config. */
726	PCFGMNODE pGlobal = CFGMR3GetChild(pCur, "GlobalConfig/");
727	if (!pGlobal)
728	{
729	rc = CFGMR3InsertNode(pCur, "GlobalConfig/", &pGlobal);
730	AssertMsgRCReturn(rc, ("Failed to create GlobalConfig node! rc=%Rrc\n", rc), rc);
731	CFGMR3SetRestrictedRoot(pGlobal);
732	}
733
734	/* Enumerate the device instances. */
735	for (pInstanceNode = CFGMR3GetFirstChild(pCur); pInstanceNode; pInstanceNode = CFGMR3GetNextChild(pInstanceNode))
736	{
737	if (pInstanceNode == pGlobal)
738	continue;
739
740	paUsbDevs[i].pNode = pInstanceNode;
741	paUsbDevs[i].pUsbDev = pUsbDev;
742	paUsbDevs[i].u32Order = u32Order;
743
744	/* Get the instance number. */
745	char szInstance[32];
746	rc = CFGMR3GetName(pInstanceNode, szInstance, sizeof(szInstance));
747	AssertMsgRCReturn(rc, ("Configuration error: instance name is too long (or something)! rc=%Rrc\n", rc), rc);
748	char *pszNext = NULL;
749	rc = RTStrToUInt32Ex(szInstance, &pszNext, 0, &paUsbDevs[i].iInstance);
750	AssertMsgRCReturn(rc, ("Configuration error: RTStrToInt32Ex failed on the instance name '%s'! rc=%Rrc\n", szInstance, rc), rc);
751	AssertMsgReturn(!*pszNext, ("Configuration error: the instance name '%s' isn't all digits. (%s)\n", szInstance, pszNext), VERR_INVALID_PARAMETER);
752
753	/* next instance */
754	i++;
755	}
756	} /* devices */
757	Assert(i == cUsbDevs);
758
759	/*
760	* Sort the device array ascending on u32Order. (bubble)
761	*/
762	unsigned c = cUsbDevs - 1;
763	while (c)
764	{
765	unsigned j = 0;
766	for (i = 0; i < c; i++)
767	if (paUsbDevs[i].u32Order > paUsbDevs[i + 1].u32Order)
768	{
769	paUsbDevs[cUsbDevs] = paUsbDevs[i + 1];
770	paUsbDevs[i + 1] = paUsbDevs[i];
771	paUsbDevs[i] = paUsbDevs[cUsbDevs];
772	j = i;
773	}
774	c = j;
775	}
776
777	/*
778	* Instantiate the devices.
779	*/
780	for (i = 0; i < cUsbDevs; i++)
781	{
782	/*
783	* Make sure there is a config node and mark it as restricted.
784	*/
785	PCFGMNODE pConfigNode = CFGMR3GetChild(paUsbDevs[i].pNode, "Config/");
786	if (!pConfigNode)
787	{
788	rc = CFGMR3InsertNode(paUsbDevs[i].pNode, "Config", &pConfigNode);
789	AssertMsgRCReturn(rc, ("Failed to create Config node! rc=%Rrc\n", rc), rc);
790	}
791	CFGMR3SetRestrictedRoot(pConfigNode);
792
793	/** @todo
794	* Figure out the USB version from the USB device registration and the configuration.
795	*/
796	uint32_t iUsbVersion = VUSB_STDVER_11;
797
798	/*
799	* Find a suitable hub with free ports.
800	*/
801	PPDMUSBHUB pHub;
802	rc = pdmR3UsbFindHub(pVM, iUsbVersion, &pHub);
803	if (RT_FAILURE(rc))
804	{
805	Log(("pdmR3UsbFindHub failed %Rrc\n", rc));
806	return rc;
807	}
808
809	/*
810	* Create and attach the device.
811	*/
812	RTUUID Uuid;
813	rc = RTUuidCreate(&Uuid);
814	AssertRCReturn(rc, rc);
815	rc = pdmR3UsbCreateDevice(pVM, pHub, paUsbDevs[i].pUsbDev, paUsbDevs[i].iInstance, &Uuid, paUsbDevs[i].pNode, &pConfigNode, iUsbVersion);
816	if (RT_FAILURE(rc))
817	return rc;
818	} /* for device instances */
819
820	return VINF_SUCCESS;
821	}
822
823
824	/**
825	* Creates a USB proxy device instance.
826	*
827	* This will find an appropriate HUB for the USB device, create the necessary CFGM stuff
828	* and try instantiate the proxy device.
829	*
830	* @returns VBox status code.
831	* @param pVM The VM handle.
832	* @param pUuid The UUID thats to be associated with the device.
833	* @param fRemote Whether it's a remove or local device.
834	* @param pszAddress The address string.
835	* @param pvBackend Pointer to the backend.
836	* @param iUsbVersion The preferred USB version.
837	* @param fMaskedIfs The interfaces to hide from the guest.
838	*/
839	VMMR3DECL(int) PDMR3USBCreateProxyDevice(PVM pVM, PCRTUUID pUuid, bool fRemote, const char pszAddress, void pvBackend,
840	uint32_t iUsbVersion, uint32_t fMaskedIfs)
841	{
842	/*
843	* Validate input.
844	*/
845	VM_ASSERT_EMT(pVM);
846	AssertPtrReturn(pUuid, VERR_INVALID_POINTER);
847	AssertPtrReturn(pszAddress, VERR_INVALID_POINTER);
848	AssertReturn( iUsbVersion == VUSB_STDVER_20
849	\|\| iUsbVersion == VUSB_STDVER_11, VERR_INVALID_PARAMETER);
850
851	/*
852	* Find the USBProxy driver.
853	*/
854	PPDMUSB pUsbDev = pdmR3UsbLookup(pVM, "USBProxy");
855	if (!pUsbDev)
856	{
857	LogRel(("PDMR3USBCreateProxyDevice: The USBProxy device class wasn't found\n"));
858	return VERR_PDM_NO_USBPROXY;
859	}
860
861	/*
862	* Find a suitable hub with free ports.
863	*/
864	PPDMUSBHUB pHub;
865	int rc = pdmR3UsbFindHub(pVM, iUsbVersion, &pHub);
866	if (RT_FAILURE(rc))
867	{
868	Log(("pdmR3UsbFindHub: failed %Rrc\n", rc));
869	return rc;
870	}
871
872	/*
873	* Create the CFGM configuration node.
874	*/
875	PCFGMNODE pConfig = CFGMR3CreateTree(pVM);
876	AssertReturn(pConfig, VERR_NO_MEMORY);
877	do /* break loop */
878	{
879	rc = CFGMR3InsertString(pConfig, "Address", pszAddress); AssertRCBreak(rc);
880	char szUuid[RTUUID_STR_LENGTH];
881	rc = RTUuidToStr(pUuid, &szUuid[0], sizeof(szUuid)); AssertRCBreak(rc);
882	rc = CFGMR3InsertString(pConfig, "UUID", szUuid); AssertRCBreak(rc);
883	rc = CFGMR3InsertInteger(pConfig, "Remote", fRemote); AssertRCBreak(rc);
884	rc = CFGMR3InsertInteger(pConfig, "USBVersion", iUsbVersion); AssertRCBreak(rc);
885	rc = CFGMR3InsertInteger(pConfig, "pvBackend", (uintptr_t)pvBackend); AssertRCBreak(rc);
886	rc = CFGMR3InsertInteger(pConfig, "MaskedIfs", fMaskedIfs); AssertRCBreak(rc);
887	rc = CFGMR3InsertInteger(pConfig, "Force11Device", !(pHub->fVersions & iUsbVersion)); AssertRCBreak(rc);
888	} while (0); /* break loop */
889	if (RT_FAILURE(rc))
890	{
891	CFGMR3RemoveNode(pConfig);
892	LogRel(("PDMR3USBCreateProxyDevice: failed to setup CFGM config, rc=%Rrc\n", rc));
893	return rc;
894	}
895
896	/*
897	* Finally, try create it.
898	*/
899	rc = pdmR3UsbCreateDevice(pVM, pHub, pUsbDev, -1, pUuid, NULL, &pConfig, iUsbVersion);
900	if (RT_FAILURE(rc) && pConfig)
901	CFGMR3RemoveNode(pConfig);
902	return rc;
903	}
904
905
906	/**
907	* Destroys a hot-plugged USB device.
908	*
909	* The device must be detached from the HUB at this point.
910	*
911	* @param pVM Pointer to the stahred VM structure.
912	* @param pUsbIns The USB device instance to destroy.
913	* @thread EMT
914	*/
915	static void pdmR3UsbDestroyDevice(PVM pVM, PPDMUSBINS pUsbIns)
916	{
917	Assert(!pUsbIns->Internal.s.pHub);
918
919	/*
920	* Do the unplug notification.
921	*/
922	/** @todo what about the drivers? */
923	if (pUsbIns->pReg->pfnHotUnplugged)
924	pUsbIns->pReg->pfnHotUnplugged(pUsbIns);
925
926	/*
927	* Destroy the luns with their driver chains and call the device destructor.
928	*/
929	while (pUsbIns->Internal.s.pLuns)
930	{
931	PPDMLUN pLun = pUsbIns->Internal.s.pLuns;
932	pUsbIns->Internal.s.pLuns = pLun->pNext;
933	if (pLun->pTop)
934	pdmR3DrvDestroyChain(pLun->pTop, PDM_TACH_FLAGS_NOT_HOT_PLUG); /* Hotplugging is handled differently here atm. */
935	MMR3HeapFree(pLun);
936	}
937
938	/* finally, the device. */
939	if (pUsbIns->pReg->pfnDestruct)
940	{
941	Log(("PDM: Destructing USB device '%s' instance %d...\n", pUsbIns->pReg->szName, pUsbIns->iInstance));
942	pUsbIns->pReg->pfnDestruct(pUsbIns);
943	}
944	//TMR3TimerDestroyUsb(pVM, pUsbIns);
945	//SSMR3DeregisterUsb(pVM, pUsbIns, NULL, 0);
946	pdmR3ThreadDestroyUsb(pVM, pUsbIns);
947
948	/*
949	* Unlink it.
950	*/
951	/* The global instance FIFO. */
952	if (pVM->pdm.s.pUsbInstances == pUsbIns)
953	pVM->pdm.s.pUsbInstances = pUsbIns->Internal.s.pNext;
954	else
955	{
956	PPDMUSBINS pPrev = pVM->pdm.s.pUsbInstances;
957	while (pPrev && pPrev->Internal.s.pNext != pUsbIns)
958	{
959	Assert(pPrev->u32Version == PDM_USBINS_VERSION);
960	pPrev = pPrev->Internal.s.pNext;
961	}
962	Assert(pPrev); Assert(pPrev != pUsbIns);
963	if (pPrev)
964	pPrev->Internal.s.pNext = pUsbIns->Internal.s.pNext;
965	}
966
967	/* The per device instance FIFO. */
968	PPDMUSB pUsbDev = pUsbIns->Internal.s.pUsbDev;
969	if (pUsbDev->pInstances == pUsbIns)
970	pUsbDev->pInstances = pUsbIns->Internal.s.pPerDeviceNext;
971	else
972	{
973	PPDMUSBINS pPrev = pUsbDev->pInstances;
974	while (pPrev && pPrev->Internal.s.pPerDeviceNext != pUsbIns)
975	{
976	Assert(pPrev->u32Version == PDM_USBINS_VERSION);
977	pPrev = pPrev->Internal.s.pPerDeviceNext;
978	}
979	Assert(pPrev); Assert(pPrev != pUsbIns);
980	if (pPrev)
981	pPrev->Internal.s.pPerDeviceNext = pUsbIns->Internal.s.pPerDeviceNext;
982	}
983
984	/*
985	* Trash it.
986	*/
987	pUsbIns->u32Version = 0;
988	pUsbIns->pReg = NULL;
989	if (pUsbIns->pszName)
990	{
991	RTStrFree(pUsbIns->pszName);
992	pUsbIns->pszName = NULL;
993	}
994	CFGMR3RemoveNode(pUsbIns->Internal.s.pCfgDelete);
995	MMR3HeapFree(pUsbIns);
996	}
997
998
999	/**
1000	* Detaches and destroys a USB device.
1001	*
1002	* @returns VBox status code.
1003	* @param pVM The VM handle.
1004	* @param pUuid The UUID associated with the device to detach.
1005	* @thread EMT
1006	*/
1007	VMMR3DECL(int) PDMR3USBDetachDevice(PVM pVM, PCRTUUID pUuid)
1008	{
1009	/*
1010	* Validate input.
1011	*/
1012	VM_ASSERT_EMT(pVM);
1013	AssertPtrReturn(pUuid, VERR_INVALID_POINTER);
1014	AssertPtrReturn(pVM, VERR_INVALID_POINTER);
1015
1016	/*
1017	* Search the global list for it.
1018	*/
1019	PPDMUSBINS pUsbIns = pVM->pdm.s.pUsbInstances;
1020	for ( ; pUsbIns; pUsbIns = pUsbIns->Internal.s.pNext)
1021	if (!RTUuidCompare(&pUsbIns->Internal.s.Uuid, pUuid))
1022	break;
1023	if (!pUsbIns)
1024	return VERR_PDM_DEVICE_INSTANCE_NOT_FOUND; /** @todo VERR_PDM_USB_INSTANCE_NOT_FOUND */
1025
1026	/*
1027	* Detach it from the HUB (if it's actually attached to one).
1028	*/
1029	PPDMUSBHUB pHub = pUsbIns->Internal.s.pHub;
1030	if (pHub)
1031	{
1032	int rc = pHub->Reg.pfnDetachDevice(pHub->pDrvIns, pUsbIns, pUsbIns->Internal.s.iPort);
1033	if (RT_FAILURE(rc))
1034	{
1035	LogRel(("PDM: Failed to detach USB device '%s' instance %d from %p: %Rrc\n",
1036	pUsbIns->pReg->szName, pUsbIns->iInstance, pHub, rc));
1037	return rc;
1038	}
1039
1040	pHub->cAvailablePorts++;
1041	Assert(pHub->cAvailablePorts > 0 && pHub->cAvailablePorts <= pHub->cPorts);
1042	pUsbIns->Internal.s.pHub = NULL;
1043	}
1044
1045	/*
1046	* Notify about unplugging and destroy the device with it's drivers.
1047	*/
1048	pdmR3UsbDestroyDevice(pVM, pUsbIns);
1049
1050	return VINF_SUCCESS;
1051	}
1052
1053
1054	/**
1055	* Checks if there are any USB hubs attached.
1056	*
1057	* @returns true / false accordingly.
1058	* @param pVM Pointer to the shared VM structure.
1059	*/
1060	VMMR3DECL(bool) PDMR3USBHasHub(PVM pVM)
1061	{
1062	return pVM->pdm.s.pUsbHubs != NULL;
1063	}
1064
1065
1066	/** @name USB Device Helpers
1067	* @{
1068	*/
1069
1070	/** @interface_method_impl{PDMUSBHLPR3,pfnDriverAttach} */
1071	static DECLCALLBACK(int) pdmR3UsbHlp_DriverAttach(PPDMUSBINS pUsbIns, RTUINT iLun, PPDMIBASE pBaseInterface, PPDMIBASE ppBaseInterface, const char pszDesc)
1072	{
1073	PDMUSB_ASSERT_USBINS(pUsbIns);
1074	PVM pVM = pUsbIns->Internal.s.pVM;
1075	VM_ASSERT_EMT(pVM);
1076	LogFlow(("pdmR3UsbHlp_DriverAttach: caller='%s'/%d: iLun=%d pBaseInterface=%p ppBaseInterface=%p pszDesc=%p:{%s}\n",
1077	pUsbIns->pReg->szName, pUsbIns->iInstance, iLun, pBaseInterface, ppBaseInterface, pszDesc, pszDesc));
1078
1079	/*
1080	* Lookup the LUN, it might already be registered.
1081	*/
1082	PPDMLUN pLunPrev = NULL;
1083	PPDMLUN pLun = pUsbIns->Internal.s.pLuns;
1084	for (; pLun; pLunPrev = pLun, pLun = pLun->pNext)
1085	if (pLun->iLun == iLun)
1086	break;
1087
1088	/*
1089	* Create the LUN if if wasn't found, else check if driver is already attached to it.
1090	*/
1091	if (!pLun)
1092	{
1093	if ( !pBaseInterface
1094	\|\| !pszDesc
1095	\|\| !*pszDesc)
1096	{
1097	Assert(pBaseInterface);
1098	Assert(pszDesc \|\| *pszDesc);
1099	return VERR_INVALID_PARAMETER;
1100	}
1101
1102	pLun = (PPDMLUN)MMR3HeapAlloc(pVM, MM_TAG_PDM_LUN, sizeof(*pLun));
1103	if (!pLun)
1104	return VERR_NO_MEMORY;
1105
1106	pLun->iLun = iLun;
1107	pLun->pNext = pLunPrev ? pLunPrev->pNext : NULL;
1108	pLun->pTop = NULL;
1109	pLun->pBottom = NULL;
1110	pLun->pDevIns = NULL;
1111	pLun->pUsbIns = pUsbIns;
1112	pLun->pszDesc = pszDesc;
1113	pLun->pBase = pBaseInterface;
1114	if (!pLunPrev)
1115	pUsbIns->Internal.s.pLuns = pLun;
1116	else
1117	pLunPrev->pNext = pLun;
1118	Log(("pdmR3UsbHlp_DriverAttach: Registered LUN#%d '%s' with device '%s'/%d.\n",
1119	iLun, pszDesc, pUsbIns->pReg->szName, pUsbIns->iInstance));
1120	}
1121	else if (pLun->pTop)
1122	{
1123	AssertMsgFailed(("Already attached! The device should keep track of such things!\n"));
1124	LogFlow(("pdmR3UsbHlp_DriverAttach: caller='%s'/%d: returns %Rrc\n", pUsbIns->pReg->szName, pUsbIns->iInstance, VERR_PDM_DRIVER_ALREADY_ATTACHED));
1125	return VERR_PDM_DRIVER_ALREADY_ATTACHED;
1126	}
1127	Assert(pLun->pBase == pBaseInterface);
1128
1129
1130	/*
1131	* Get the attached driver configuration.
1132	*/
1133	int rc;
1134	PCFGMNODE pNode = CFGMR3GetChildF(pUsbIns->Internal.s.pCfg, "LUN#%u", iLun);
1135	if (pNode)
1136	rc = pdmR3DrvInstantiate(pVM, pNode, pBaseInterface, NULL /pDrvAbove/, pLun, ppBaseInterface);
1137	else
1138	rc = VERR_PDM_NO_ATTACHED_DRIVER;
1139
1140
1141	LogFlow(("pdmR3UsbHlp_DriverAttach: caller='%s'/%d: returns %Rrc\n", pUsbIns->pReg->szName, pUsbIns->iInstance, rc));
1142	return rc;
1143	}
1144
1145
1146	/** @interface_method_impl{PDMUSBHLP,pfnAssertEMT} */
1147	static DECLCALLBACK(bool) pdmR3UsbHlp_AssertEMT(PPDMUSBINS pUsbIns, const char pszFile, unsigned iLine, const char pszFunction)
1148	{
1149	PDMUSB_ASSERT_USBINS(pUsbIns);
1150	if (VM_IS_EMT(pUsbIns->Internal.s.pVM))
1151	return true;
1152
1153	char szMsg[100];
1154	RTStrPrintf(szMsg, sizeof(szMsg), "AssertEMT '%s'/%d\n", pUsbIns->pReg->szName, pUsbIns->iInstance);
1155	RTAssertMsg1Weak(szMsg, iLine, pszFile, pszFunction);
1156	AssertBreakpoint();
1157	return false;
1158	}
1159
1160
1161	/** @interface_method_impl{PDMUSBHLP,pfnAssertOther} */
1162	static DECLCALLBACK(bool) pdmR3UsbHlp_AssertOther(PPDMUSBINS pUsbIns, const char pszFile, unsigned iLine, const char pszFunction)
1163	{
1164	PDMUSB_ASSERT_USBINS(pUsbIns);
1165	if (!VM_IS_EMT(pUsbIns->Internal.s.pVM))
1166	return true;
1167
1168	char szMsg[100];
1169	RTStrPrintf(szMsg, sizeof(szMsg), "AssertOther '%s'/%d\n", pUsbIns->pReg->szName, pUsbIns->iInstance);
1170	RTAssertMsg1Weak(szMsg, iLine, pszFile, pszFunction);
1171	AssertBreakpoint();
1172	return false;
1173	}
1174
1175
1176	/** @interface_method_impl{PDMUSBHLP,pfnDBGFStopV} */
1177	static DECLCALLBACK(int) pdmR3UsbHlp_DBGFStopV(PPDMUSBINS pUsbIns, const char pszFile, unsigned iLine, const char pszFunction, const char *pszFormat, va_list args)
1178	{
1179	PDMUSB_ASSERT_USBINS(pUsbIns);
1180	#ifdef LOG_ENABLED
1181	va_list va2;
1182	va_copy(va2, args);
1183	LogFlow(("pdmR3UsbHlp_DBGFStopV: caller='%s'/%d: pszFile=%p:{%s} iLine=%d pszFunction=%p:{%s} pszFormat=%p:{%s} (%N)\n",
1184	pUsbIns->pReg->szName, pUsbIns->iInstance, pszFile, pszFile, iLine, pszFunction, pszFunction, pszFormat, pszFormat, pszFormat, &va2));
1185	va_end(va2);
1186	#endif
1187
1188	PVM pVM = pUsbIns->Internal.s.pVM;
1189	VM_ASSERT_EMT(pVM);
1190	int rc = DBGFR3EventSrcV(pVM, DBGFEVENT_DEV_STOP, pszFile, iLine, pszFunction, pszFormat, args);
1191	if (rc == VERR_DBGF_NOT_ATTACHED)
1192	rc = VINF_SUCCESS;
1193
1194	LogFlow(("pdmR3UsbHlp_DBGFStopV: caller='%s'/%d: returns %Rrc\n", pUsbIns->pReg->szName, pUsbIns->iInstance, rc));
1195	return rc;
1196	}
1197
1198
1199	/** @interface_method_impl{PDMUSBHLP,pfnDBGFInfoRegister} */
1200	static DECLCALLBACK(int) pdmR3UsbHlp_DBGFInfoRegister(PPDMUSBINS pUsbIns, const char pszName, const char pszDesc, PFNDBGFHANDLERUSB pfnHandler)
1201	{
1202	PDMUSB_ASSERT_USBINS(pUsbIns);
1203	LogFlow(("pdmR3UsbHlp_DBGFInfoRegister: caller='%s'/%d: pszName=%p:{%s} pszDesc=%p:{%s} pfnHandler=%p\n",
1204	pUsbIns->pReg->szName, pUsbIns->iInstance, pszName, pszName, pszDesc, pszDesc, pfnHandler));
1205
1206	PVM pVM = pUsbIns->Internal.s.pVM;
1207	VM_ASSERT_EMT(pVM);
1208	/** @todo int rc = DBGFR3InfoRegisterUsb(pVM, pszName, pszDesc, pfnHandler, pUsbIns); */
1209	int rc = VERR_NOT_IMPLEMENTED; AssertFailed();
1210
1211	LogFlow(("pdmR3UsbHlp_DBGFInfoRegister: caller='%s'/%d: returns %Rrc\n", pUsbIns->pReg->szName, pUsbIns->iInstance, rc));
1212	return rc;
1213	}
1214
1215
1216	/** @interface_method_impl{PDMUSBHLP,pfnMMHeapAlloc} */
1217	static DECLCALLBACK(void *) pdmR3UsbHlp_MMHeapAlloc(PPDMUSBINS pUsbIns, size_t cb)
1218	{
1219	PDMUSB_ASSERT_USBINS(pUsbIns);
1220	LogFlow(("pdmR3UsbHlp_MMHeapAlloc: caller='%s'/%d: cb=%#x\n", pUsbIns->pReg->szName, pUsbIns->iInstance, cb));
1221
1222	void *pv = MMR3HeapAlloc(pUsbIns->Internal.s.pVM, MM_TAG_PDM_USB_USER, cb);
1223
1224	LogFlow(("pdmR3UsbHlp_MMHeapAlloc: caller='%s'/%d: returns %p\n", pUsbIns->pReg->szName, pUsbIns->iInstance, pv));
1225	return pv;
1226	}
1227
1228
1229	/** @interface_method_impl{PDMUSBHLP,pfnMMHeapAllocZ} */
1230	static DECLCALLBACK(void *) pdmR3UsbHlp_MMHeapAllocZ(PPDMUSBINS pUsbIns, size_t cb)
1231	{
1232	PDMUSB_ASSERT_USBINS(pUsbIns);
1233	LogFlow(("pdmR3UsbHlp_MMHeapAllocZ: caller='%s'/%d: cb=%#x\n", pUsbIns->pReg->szName, pUsbIns->iInstance, cb));
1234
1235	void *pv = MMR3HeapAllocZ(pUsbIns->Internal.s.pVM, MM_TAG_PDM_USB_USER, cb);
1236
1237	LogFlow(("pdmR3UsbHlp_MMHeapAllocZ: caller='%s'/%d: returns %p\n", pUsbIns->pReg->szName, pUsbIns->iInstance, pv));
1238	return pv;
1239	}
1240
1241
1242	/** @interface_method_impl{PDMUSBHLP,pfnPDMQueueCreate} */
1243	static DECLCALLBACK(int) pdmR3UsbHlp_PDMQueueCreate(PPDMUSBINS pUsbIns, RTUINT cbItem, RTUINT cItems, uint32_t cMilliesInterval,
1244	PFNPDMQUEUEUSB pfnCallback, const char pszName, PPDMQUEUE ppQueue)
1245	{
1246	PDMUSB_ASSERT_USBINS(pUsbIns);
1247	LogFlow(("pdmR3UsbHlp_PDMQueueCreate: caller='%s'/%d: cbItem=%#x cItems=%#x cMilliesInterval=%u pfnCallback=%p pszName=%p:{%s} ppQueue=%p\n",
1248	pUsbIns->pReg->szName, pUsbIns->iInstance, cbItem, cItems, cMilliesInterval, pfnCallback, pszName, pszName, ppQueue));
1249
1250	PVM pVM = pUsbIns->Internal.s.pVM;
1251	VM_ASSERT_EMT(pVM);
1252
1253	if (pUsbIns->iInstance > 0)
1254	{
1255	pszName = MMR3HeapAPrintf(pVM, MM_TAG_PDM_DEVICE_DESC, "%s_%u", pszName, pUsbIns->iInstance);
1256	AssertLogRelReturn(pszName, VERR_NO_MEMORY);
1257	}
1258
1259	/** @todo int rc = PDMR3QueueCreateUsb(pVM, pUsbIns, cbItem, cItems, cMilliesInterval, pfnCallback, fGCEnabled, pszName, ppQueue); */
1260	int rc = VERR_NOT_IMPLEMENTED; AssertFailed();
1261
1262	LogFlow(("pdmR3UsbHlp_PDMQueueCreate: caller='%s'/%d: returns %Rrc ppQueue=%p\n", pUsbIns->pReg->szName, pUsbIns->iInstance, rc, ppQueue));
1263	return rc;
1264	}
1265
1266
1267	/** @interface_method_impl{PDMUSBHLP,pfnSSMRegister} */
1268	static DECLCALLBACK(int) pdmR3UsbHlp_SSMRegister(PPDMUSBINS pUsbIns, uint32_t uVersion, size_t cbGuess,
1269	PFNSSMUSBLIVEPREP pfnLivePrep, PFNSSMUSBLIVEEXEC pfnLiveExec, PFNSSMUSBLIVEVOTE pfnLiveVote,
1270	PFNSSMUSBSAVEPREP pfnSavePrep, PFNSSMUSBSAVEEXEC pfnSaveExec, PFNSSMUSBSAVEDONE pfnSaveDone,
1271	PFNSSMUSBLOADPREP pfnLoadPrep, PFNSSMUSBLOADEXEC pfnLoadExec, PFNSSMUSBLOADDONE pfnLoadDone)
1272	{
1273	PDMUSB_ASSERT_USBINS(pUsbIns);
1274	VM_ASSERT_EMT(pUsbIns->Internal.s.pVM);
1275	LogFlow(("pdmR3UsbHlp_SSMRegister: caller='%s'/%d: uVersion=#x cbGuess=%#x\n"
1276	" pfnLivePrep=%p pfnLiveExec=%p pfnLiveVote=%p pfnSavePrep=%p pfnSaveExec=%p pfnSaveDone=%p pszLoadPrep=%p pfnLoadExec=%p pfnLoadDone=%p\n",
1277	pUsbIns->pReg->szName, pUsbIns->iInstance, uVersion, cbGuess,
1278	pfnLivePrep, pfnLiveExec, pfnLiveVote,
1279	pfnSavePrep, pfnSaveExec, pfnSaveDone,
1280	pfnLoadPrep, pfnLoadExec, pfnLoadDone));
1281
1282	/** @todo
1283	int rc = SSMR3RegisterUsb(pUsbIns->Internal.s.pVM, pUsbIns, pUsbIns->pReg->szName, pUsbIns->iInstance,
1284	uVersion, cbGuess,
1285	pfnLivePrep, pfnLiveExec, pfnLiveVote,
1286	pfnSavePrep, pfnSaveExec, pfnSaveDone,
1287	pfnLoadPrep, pfnLoadExec, pfnLoadDone); */
1288	int rc = VERR_NOT_IMPLEMENTED; AssertFailed();
1289
1290	LogFlow(("pdmR3UsbHlp_SSMRegister: caller='%s'/%d: returns %Rrc\n", pUsbIns->pReg->szName, pUsbIns->iInstance, rc));
1291	return rc;
1292	}
1293
1294
1295	/** @interface_method_impl{PDMUSBHLP,pfnSTAMRegisterV} */
1296	static DECLCALLBACK(void) pdmR3UsbHlp_STAMRegisterV(PPDMUSBINS pUsbIns, void *pvSample, STAMTYPE enmType, STAMVISIBILITY enmVisibility,
1297	STAMUNIT enmUnit, const char pszDesc, const char pszName, va_list args)
1298	{
1299	PDMUSB_ASSERT_USBINS(pUsbIns);
1300	PVM pVM = pUsbIns->Internal.s.pVM;
1301	VM_ASSERT_EMT(pVM);
1302
1303	int rc = STAMR3RegisterV(pVM, pvSample, enmType, enmVisibility, enmUnit, pszDesc, pszName, args);
1304	AssertRC(rc);
1305
1306	NOREF(pVM);
1307	}
1308
1309
1310	/** @interface_method_impl{PDMUSBHLP,pfnTMTimerCreate} */
1311	static DECLCALLBACK(int) pdmR3UsbHlp_TMTimerCreate(PPDMUSBINS pUsbIns, TMCLOCK enmClock, PFNTMTIMERUSB pfnCallback, void *pvUser,
1312	uint32_t fFlags, const char *pszDesc, PPTMTIMERR3 ppTimer)
1313	{
1314	PDMUSB_ASSERT_USBINS(pUsbIns);
1315	PVM pVM = pUsbIns->Internal.s.pVM;
1316	VM_ASSERT_EMT(pVM);
1317	LogFlow(("pdmR3UsbHlp_TMTimerCreate: caller='%s'/%d: enmClock=%d pfnCallback=%p pvUser=%p fFlags=%#x pszDesc=%p:{%s} ppTimer=%p\n",
1318	pUsbIns->pReg->szName, pUsbIns->iInstance, enmClock, pfnCallback, pvUser, fFlags, pszDesc, pszDesc, ppTimer));
1319
1320	if (pUsbIns->iInstance > 0) /** @todo use a string cache here later. */
1321	{
1322	char *pszDesc2 = MMR3HeapAPrintf(pVM, MM_TAG_PDM_USB_DESC, "%s [%u]", pszDesc, pUsbIns->iInstance);
1323	if (pszDesc2)
1324	pszDesc = pszDesc2;
1325	}
1326
1327	/** @todo
1328	int rc = TMR3TimerCreateUsb(pVM, pUsbIns, enmClock, pfnCallback, pvUser, fFlags, pszDesc, ppTimer); */
1329	int rc = VERR_NOT_IMPLEMENTED; AssertFailed();
1330
1331	LogFlow(("pdmR3UsbHlp_TMTimerCreate: caller='%s'/%d: returns %Rrc\n", pUsbIns->pReg->szName, pUsbIns->iInstance, rc));
1332	return rc;
1333	}
1334
1335
1336	/** @interface_method_impl{PDMUSBHLP,pfnVMSetErrorV} */
1337	static DECLCALLBACK(int) pdmR3UsbHlp_VMSetErrorV(PPDMUSBINS pUsbIns, int rc, RT_SRC_POS_DECL, const char *pszFormat, va_list va)
1338	{
1339	PDMUSB_ASSERT_USBINS(pUsbIns);
1340	int rc2 = VMSetErrorV(pUsbIns->Internal.s.pVM, rc, RT_SRC_POS_ARGS, pszFormat, va); Assert(rc2 == rc); NOREF(rc2);
1341	return rc;
1342	}
1343
1344
1345	/** @interface_method_impl{PDMUSBHLP,pfnVMSetRuntimeErrorV} */
1346	static DECLCALLBACK(int) pdmR3UsbHlp_VMSetRuntimeErrorV(PPDMUSBINS pUsbIns, uint32_t fFlags, const char pszErrorId, const char pszFormat, va_list va)
1347	{
1348	PDMUSB_ASSERT_USBINS(pUsbIns);
1349	int rc = VMSetRuntimeErrorV(pUsbIns->Internal.s.pVM, fFlags, pszErrorId, pszFormat, va);
1350	return rc;
1351	}
1352
1353
1354	/** @interface_method_impl{PDMUSBHLP,pfnVMState} */
1355	static DECLCALLBACK(VMSTATE) pdmR3UsbHlp_VMState(PPDMUSBINS pUsbIns)
1356	{
1357	PDMUSB_ASSERT_USBINS(pUsbIns);
1358
1359	VMSTATE enmVMState = VMR3GetState(pUsbIns->Internal.s.pVM);
1360
1361	LogFlow(("pdmR3UsbHlp_VMState: caller='%s'/%d: returns %d (%s)\n", pUsbIns->pReg->szName, pUsbIns->iInstance,
1362	enmVMState, VMR3GetStateName(enmVMState)));
1363	return enmVMState;
1364	}
1365
1366
1367	/** @interface_method_impl{PDMUSBHLP,pfnSetAsyncNotification} */
1368	static DECLCALLBACK(int) pdmR3UsbHlp_SetAsyncNotification(PPDMUSBINS pUsbIns, PFNPDMUSBASYNCNOTIFY pfnAsyncNotify)
1369	{
1370	PDMUSB_ASSERT_USBINS(pUsbIns);
1371	VM_ASSERT_EMT0(pUsbIns->Internal.s.pVM);
1372	LogFlow(("pdmR3UsbHlp_SetAsyncNotification: caller='%s'/%d: pfnAsyncNotify=%p\n", pUsbIns->pReg->szName, pUsbIns->iInstance, pfnAsyncNotify));
1373
1374	int rc = VINF_SUCCESS;
1375	AssertStmt(pfnAsyncNotify, rc = VERR_INVALID_PARAMETER);
1376	AssertStmt(!pUsbIns->Internal.s.pfnAsyncNotify, rc = VERR_WRONG_ORDER);
1377	AssertStmt(pUsbIns->Internal.s.fVMSuspended \|\| pUsbIns->Internal.s.fVMReset, rc = VERR_WRONG_ORDER);
1378	VMSTATE enmVMState = VMR3GetState(pUsbIns->Internal.s.pVM);
1379	AssertStmt( enmVMState == VMSTATE_SUSPENDING
1380	\|\| enmVMState == VMSTATE_SUSPENDING_EXT_LS
1381	\|\| enmVMState == VMSTATE_SUSPENDING_LS
1382	\|\| enmVMState == VMSTATE_RESETTING
1383	\|\| enmVMState == VMSTATE_RESETTING_LS
1384	\|\| enmVMState == VMSTATE_POWERING_OFF
1385	\|\| enmVMState == VMSTATE_POWERING_OFF_LS,
1386	rc = VERR_INVALID_STATE);
1387
1388	if (RT_SUCCESS(rc))
1389	pUsbIns->Internal.s.pfnAsyncNotify = pfnAsyncNotify;
1390
1391	LogFlow(("pdmR3UsbHlp_SetAsyncNotification: caller='%s'/%d: returns %Rrc\n", pUsbIns->pReg->szName, pUsbIns->iInstance, rc));
1392	return rc;
1393	}
1394
1395
1396	/** @interface_method_impl{PDMUSBHLP,pfnAsyncNotificationCompleted} */
1397	static DECLCALLBACK(void) pdmR3UsbHlp_AsyncNotificationCompleted(PPDMUSBINS pUsbIns)
1398	{
1399	PDMUSB_ASSERT_USBINS(pUsbIns);
1400	PVM pVM = pUsbIns->Internal.s.pVM;
1401
1402	VMSTATE enmVMState = VMR3GetState(pVM);
1403	if ( enmVMState == VMSTATE_SUSPENDING
1404	\|\| enmVMState == VMSTATE_SUSPENDING_EXT_LS
1405	\|\| enmVMState == VMSTATE_SUSPENDING_LS
1406	\|\| enmVMState == VMSTATE_RESETTING
1407	\|\| enmVMState == VMSTATE_RESETTING_LS
1408	\|\| enmVMState == VMSTATE_POWERING_OFF
1409	\|\| enmVMState == VMSTATE_POWERING_OFF_LS)
1410	{
1411	LogFlow(("pdmR3UsbHlp_AsyncNotificationCompleted: caller='%s'/%d:\n", pUsbIns->pReg->szName, pUsbIns->iInstance));
1412	VMR3AsyncPdmNotificationWakeupU(pVM->pUVM);
1413	}
1414	else
1415	LogFlow(("pdmR3UsbHlp_AsyncNotificationCompleted: caller='%s'/%d: enmVMState=%d\n", pUsbIns->pReg->szName, pUsbIns->iInstance, enmVMState));
1416	}
1417
1418
1419	/**
1420	* The USB device helper structure.
1421	*/
1422	const PDMUSBHLP g_pdmR3UsbHlp =
1423	{
1424	PDM_USBHLP_VERSION,
1425	pdmR3UsbHlp_DriverAttach,
1426	pdmR3UsbHlp_AssertEMT,
1427	pdmR3UsbHlp_AssertOther,
1428	pdmR3UsbHlp_DBGFStopV,
1429	pdmR3UsbHlp_DBGFInfoRegister,
1430	pdmR3UsbHlp_MMHeapAlloc,
1431	pdmR3UsbHlp_MMHeapAllocZ,
1432	pdmR3UsbHlp_PDMQueueCreate,
1433	pdmR3UsbHlp_SSMRegister,
1434	pdmR3UsbHlp_STAMRegisterV,
1435	pdmR3UsbHlp_TMTimerCreate,
1436	pdmR3UsbHlp_VMSetErrorV,
1437	pdmR3UsbHlp_VMSetRuntimeErrorV,
1438	pdmR3UsbHlp_VMState,
1439	pdmR3UsbHlp_SetAsyncNotification,
1440	pdmR3UsbHlp_AsyncNotificationCompleted,
1441	PDM_USBHLP_VERSION
1442	};
1443
1444	/** @} */

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source: vbox/trunk/src/VBox/VMM/PDMUsb.cpp@ 32048

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