PDMUsb.cpp@ 51290

Last change on this file since 51290 was 51290, checked in by vboxsync, 11 years ago
VMM/PDMUsb: add PDMR3UsbQueryLun function which is needed very soon for mounting media at run time in virtual USB DVD drives
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1	/* $Id: PDMUsb.cpp 51290 2014-05-19 14:50:15Z vboxsync $ */
2	/** @file
3	* PDM - Pluggable Device and Driver Manager, USB part.
4	*/
5
6	/*
7	* Copyright (C) 2006-2014 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/vmm/pdm.h>
25	#include <VBox/vusb.h>
26	#include <VBox/vmm/mm.h>
27	#include <VBox/vmm/cfgm.h>
28	#include <VBox/vmm/vmm.h>
29	#include <VBox/sup.h>
30	#include <VBox/vmm/vm.h>
31	#include <VBox/vmm/uvm.h>
32	#include <VBox/version.h>
33	#include <VBox/err.h>
34
35	#include <VBox/log.h>
36	#include <iprt/assert.h>
37	#include <iprt/thread.h>
38	#include <iprt/string.h>
39	#include <iprt/asm.h>
40	#include <iprt/alloc.h>
41	#include <iprt/alloca.h>
42	#include <iprt/path.h>
43	#include <iprt/uuid.h>
44
45
46	/*******************************************************************************
47	* Structures and Typedefs *
48	*******************************************************************************/
49	/**
50	* Internal callback structure pointer.
51	*
52	* The main purpose is to define the extra data we associate
53	* with PDMUSBREGCB so we can find the VM instance and so on.
54	*/
55	typedef struct PDMUSBREGCBINT
56	{
57	/** The callback structure. */
58	PDMUSBREGCB Core;
59	/** A bit of padding. */
60	uint32_t u32[4];
61	/** VM Handle. */
62	PVM pVM;
63	} PDMUSBREGCBINT, *PPDMUSBREGCBINT;
64	typedef const PDMUSBREGCBINT *PCPDMUSBREGCBINT;
65
66
67	/*******************************************************************************
68	* Defined Constants And Macros *
69	*******************************************************************************/
70	/** @def PDMUSB_ASSERT_USBINS
71	* Asserts the validity of the USB device instance.
72	*/
73	#ifdef VBOX_STRICT
74	# define PDMUSB_ASSERT_USBINS(pUsbIns) \
75	do { \
76	AssertPtr(pUsbIns); \
77	Assert(pUsbIns->u32Version == PDM_USBINS_VERSION); \
78	Assert(pUsbIns->pvInstanceDataR3 == (void *)&pUsbIns->achInstanceData[0]); \
79	} while (0)
80	#else
81	# define PDMUSB_ASSERT_USBINS(pUsbIns) do { } while (0)
82	#endif
83
84
85	/*******************************************************************************
86	* Internal Functions *
87	*******************************************************************************/
88	static void pdmR3UsbDestroyDevice(PVM pVM, PPDMUSBINS pUsbIns);
89
90
91	/*******************************************************************************
92	* Global Variables *
93	*******************************************************************************/
94	extern const PDMUSBHLP g_pdmR3UsbHlp;
95
96
97	AssertCompile(sizeof(PDMUSBINSINT) <= RT_SIZEOFMEMB(PDMUSBINS, Internal.padding));
98
99
100	/**
101	* Registers a USB hub driver.
102	*
103	* @returns VBox status code.
104	* @param pVM Pointer to the VM.
105	* @param pDrvIns The driver instance of the hub.
106	* @param fVersions Indicates the kinds of USB devices that can be attached to this HUB.
107	* @param cPorts The number of ports.
108	* @param pUsbHubReg The hub callback structure that PDMUsb uses to interact with it.
109	* @param ppUsbHubHlp The helper callback structure that the hub uses to talk to PDMUsb.
110	* @thread EMT
111	*/
112	int pdmR3UsbRegisterHub(PVM pVM, PPDMDRVINS pDrvIns, uint32_t fVersions, uint32_t cPorts, PCPDMUSBHUBREG pUsbHubReg, PPCPDMUSBHUBHLP ppUsbHubHlp)
113	{
114	/*
115	* Validate input.
116	*/
117	/* The driver must be in the USB class. */
118	if (!(pDrvIns->pReg->fClass & PDM_DRVREG_CLASS_USB))
119	{
120	LogRel(("pdmR3UsbRegisterHub: fClass=%#x expected %#x to be set\n", pDrvIns->pReg->fClass, PDM_DRVREG_CLASS_USB));
121	return VERR_INVALID_PARAMETER;
122	}
123	AssertMsgReturn(!(fVersions & ~(VUSB_STDVER_11 \| VUSB_STDVER_20)), ("%#x\n", fVersions), VERR_INVALID_PARAMETER);
124	AssertPtrReturn(ppUsbHubHlp, VERR_INVALID_POINTER);
125	AssertPtrReturn(pUsbHubReg, VERR_INVALID_POINTER);
126	AssertReturn(pUsbHubReg->u32Version == PDM_USBHUBREG_VERSION, VERR_INVALID_MAGIC);
127	AssertReturn(pUsbHubReg->u32TheEnd == PDM_USBHUBREG_VERSION, VERR_INVALID_MAGIC);
128	AssertPtrReturn(pUsbHubReg->pfnAttachDevice, VERR_INVALID_PARAMETER);
129	AssertPtrReturn(pUsbHubReg->pfnDetachDevice, VERR_INVALID_PARAMETER);
130
131	/*
132	* Check for duplicate registration and find the last hub for FIFO registration.
133	*/
134	PPDMUSBHUB pPrev = NULL;
135	for (PPDMUSBHUB pCur = pVM->pdm.s.pUsbHubs; pCur; pCur = pCur->pNext)
136	{
137	if (pCur->pDrvIns == pDrvIns)
138	return VERR_PDM_USB_HUB_EXISTS;
139	pPrev = pCur;
140	}
141
142	/*
143	* Create an internal USB hub structure.
144	*/
145	PPDMUSBHUB pHub = (PPDMUSBHUB)MMR3HeapAlloc(pVM, MM_TAG_PDM_DRIVER, sizeof(*pHub));
146	if (!pHub)
147	return VERR_NO_MEMORY;
148
149	pHub->fVersions = fVersions;
150	pHub->cPorts = cPorts;
151	pHub->cAvailablePorts = cPorts;
152	pHub->pDrvIns = pDrvIns;
153	pHub->Reg = *pUsbHubReg;
154	pHub->pNext = NULL;
155
156	/* link it */
157	if (pPrev)
158	pPrev->pNext = pHub;
159	else
160	pVM->pdm.s.pUsbHubs = pHub;
161
162	Log(("PDM: Registered USB hub %p/%s\n", pDrvIns, pDrvIns->pReg->szName));
163	return VINF_SUCCESS;
164	}
165
166
167	/**
168	* Loads one device module and call the registration entry point.
169	*
170	* @returns VBox status code.
171	* @param pVM Pointer to the VM.
172	* @param pRegCB The registration callback stuff.
173	* @param pszFilename Module filename.
174	* @param pszName Module name.
175	*/
176	static int pdmR3UsbLoad(PVM pVM, PCPDMUSBREGCBINT pRegCB, const char pszFilename, const char pszName)
177	{
178	/*
179	* Load it.
180	*/
181	int rc = pdmR3LoadR3U(pVM->pUVM, pszFilename, pszName);
182	if (RT_SUCCESS(rc))
183	{
184	/*
185	* Get the registration export and call it.
186	*/
187	FNPDMVBOXUSBREGISTER *pfnVBoxUsbRegister;
188	rc = PDMR3LdrGetSymbolR3(pVM, pszName, "VBoxUsbRegister", (void **)&pfnVBoxUsbRegister);
189	if (RT_SUCCESS(rc))
190	{
191	Log(("PDM: Calling VBoxUsbRegister (%p) of %s (%s)\n", pfnVBoxUsbRegister, pszName, pszFilename));
192	rc = pfnVBoxUsbRegister(&pRegCB->Core, VBOX_VERSION);
193	if (RT_SUCCESS(rc))
194	Log(("PDM: Successfully loaded device module %s (%s).\n", pszName, pszFilename));
195	else
196	AssertMsgFailed(("VBoxDevicesRegister failed with rc=%Rrc for module %s (%s)\n", rc, pszName, pszFilename));
197	}
198	else
199	{
200	AssertMsgFailed(("Failed to locate 'VBoxUsbRegister' in %s (%s) rc=%Rrc\n", pszName, pszFilename, rc));
201	if (rc == VERR_SYMBOL_NOT_FOUND)
202	rc = VERR_PDM_NO_REGISTRATION_EXPORT;
203	}
204	}
205	else
206	AssertMsgFailed(("Failed to load VBoxDD!\n"));
207	return rc;
208	}
209
210
211
212	/**
213	* @interface_method_impl{PDMUSBREGCB,pfnRegister}
214	*/
215	static DECLCALLBACK(int) pdmR3UsbReg_Register(PCPDMUSBREGCB pCallbacks, PCPDMUSBREG pReg)
216	{
217	/*
218	* Validate the registration structure.
219	*/
220	Assert(pReg);
221	AssertMsgReturn(pReg->u32Version == PDM_USBREG_VERSION,
222	("Unknown struct version %#x!\n", pReg->u32Version),
223	VERR_PDM_UNKNOWN_USBREG_VERSION);
224	AssertMsgReturn( pReg->szName[0]
225	&& strlen(pReg->szName) < sizeof(pReg->szName)
226	&& pdmR3IsValidName(pReg->szName),
227	("Invalid name '%.s'\n", sizeof(pReg->szName), pReg->szName),
228	VERR_PDM_INVALID_USB_REGISTRATION);
229	AssertMsgReturn((pReg->fFlags & ~(PDM_USBREG_HIGHSPEED_CAPABLE \| PDM_USBREG_EMULATED_DEVICE)) == 0,
230	("fFlags=%#x\n", pReg->fFlags), VERR_PDM_INVALID_USB_REGISTRATION);
231	AssertMsgReturn(pReg->cMaxInstances > 0,
232	("Max instances %u! (USB Device %s)\n", pReg->cMaxInstances, pReg->szName),
233	VERR_PDM_INVALID_USB_REGISTRATION);
234	AssertMsgReturn(pReg->cbInstance <= _1M,
235	("Instance size %d bytes! (USB Device %s)\n", pReg->cbInstance, pReg->szName),
236	VERR_PDM_INVALID_USB_REGISTRATION);
237	AssertMsgReturn(pReg->pfnConstruct, ("No constructor! (USB Device %s)\n", pReg->szName),
238	VERR_PDM_INVALID_USB_REGISTRATION);
239
240	/*
241	* Check for duplicate and find FIFO entry at the same time.
242	*/
243	PCPDMUSBREGCBINT pRegCB = (PCPDMUSBREGCBINT)pCallbacks;
244	PPDMUSB pUsbPrev = NULL;
245	PPDMUSB pUsb = pRegCB->pVM->pdm.s.pUsbDevs;
246	for (; pUsb; pUsbPrev = pUsb, pUsb = pUsb->pNext)
247	AssertMsgReturn(strcmp(pUsb->pReg->szName, pReg->szName),
248	("USB Device '%s' already exists\n", pReg->szName),
249	VERR_PDM_USB_NAME_CLASH);
250
251	/*
252	* Allocate new device structure and insert it into the list.
253	*/
254	pUsb = (PPDMUSB)MMR3HeapAlloc(pRegCB->pVM, MM_TAG_PDM_DEVICE, sizeof(*pUsb));
255	if (pUsb)
256	{
257	pUsb->pNext = NULL;
258	pUsb->iNextInstance = 0;
259	pUsb->pInstances = NULL;
260	pUsb->pReg = pReg;
261	pUsb->cchName = (RTUINT)strlen(pReg->szName);
262
263	if (pUsbPrev)
264	pUsbPrev->pNext = pUsb;
265	else
266	pRegCB->pVM->pdm.s.pUsbDevs = pUsb;
267	Log(("PDM: Registered USB device '%s'\n", pReg->szName));
268	return VINF_SUCCESS;
269	}
270	return VERR_NO_MEMORY;
271	}
272
273
274	/**
275	* Load USB Device modules.
276	*
277	* This is called by pdmR3DevInit() after it has loaded it's device modules.
278	*
279	* @returns VBox status code.
280	* @param pVM Pointer to the VM.
281	*/
282	int pdmR3UsbLoadModules(PVM pVM)
283	{
284	LogFlow(("pdmR3UsbLoadModules:\n"));
285
286	AssertRelease(!(RT_OFFSETOF(PDMUSBINS, achInstanceData) & 15));
287	AssertRelease(sizeof(pVM->pdm.s.pUsbInstances->Internal.s) <= sizeof(pVM->pdm.s.pUsbInstances->Internal.padding));
288
289	/*
290	* Initialize the callback structure.
291	*/
292	PDMUSBREGCBINT RegCB;
293	RegCB.Core.u32Version = PDM_USBREG_CB_VERSION;
294	RegCB.Core.pfnRegister = pdmR3UsbReg_Register;
295	RegCB.pVM = pVM;
296
297	/*
298	* Load the builtin module
299	*/
300	PCFGMNODE pUsbNode = CFGMR3GetChild(CFGMR3GetRoot(pVM), "PDM/USB/");
301	bool fLoadBuiltin;
302	int rc = CFGMR3QueryBool(pUsbNode, "LoadBuiltin", &fLoadBuiltin);
303	if (rc == VERR_CFGM_VALUE_NOT_FOUND \|\| rc == VERR_CFGM_NO_PARENT)
304	fLoadBuiltin = true;
305	else if (RT_FAILURE(rc))
306	{
307	AssertMsgFailed(("Configuration error: Querying boolean \"LoadBuiltin\" failed with %Rrc\n", rc));
308	return rc;
309	}
310	if (fLoadBuiltin)
311	{
312	/* make filename */
313	char pszFilename = pdmR3FileR3("VBoxDD", true /fShared*/);
314	if (!pszFilename)
315	return VERR_NO_TMP_MEMORY;
316	rc = pdmR3UsbLoad(pVM, &RegCB, pszFilename, "VBoxDD");
317	RTMemTmpFree(pszFilename);
318	if (RT_FAILURE(rc))
319	return rc;
320	}
321
322	/*
323	* Load additional device modules.
324	*/
325	PCFGMNODE pCur;
326	for (pCur = CFGMR3GetFirstChild(pUsbNode); pCur; pCur = CFGMR3GetNextChild(pCur))
327	{
328	/*
329	* Get the name and path.
330	*/
331	char szName[PDMMOD_NAME_LEN];
332	rc = CFGMR3GetName(pCur, &szName[0], sizeof(szName));
333	if (rc == VERR_CFGM_NOT_ENOUGH_SPACE)
334	{
335	AssertMsgFailed(("configuration error: The module name is too long, cchName=%zu.\n", CFGMR3GetNameLen(pCur)));
336	return VERR_PDM_MODULE_NAME_TOO_LONG;
337	}
338	else if (RT_FAILURE(rc))
339	{
340	AssertMsgFailed(("CFGMR3GetName -> %Rrc.\n", rc));
341	return rc;
342	}
343
344	/* the path is optional, if no path the module name + path is used. */
345	char szFilename[RTPATH_MAX];
346	rc = CFGMR3QueryString(pCur, "Path", &szFilename[0], sizeof(szFilename));
347	if (rc == VERR_CFGM_VALUE_NOT_FOUND)
348	strcpy(szFilename, szName);
349	else if (RT_FAILURE(rc))
350	{
351	AssertMsgFailed(("configuration error: Failure to query the module path, rc=%Rrc.\n", rc));
352	return rc;
353	}
354
355	/* prepend path? */
356	if (!RTPathHavePath(szFilename))
357	{
358	char psz = pdmR3FileR3(szFilename, false /fShared*/);
359	if (!psz)
360	return VERR_NO_TMP_MEMORY;
361	size_t cch = strlen(psz) + 1;
362	if (cch > sizeof(szFilename))
363	{
364	RTMemTmpFree(psz);
365	AssertMsgFailed(("Filename too long! cch=%d '%s'\n", cch, psz));
366	return VERR_FILENAME_TOO_LONG;
367	}
368	memcpy(szFilename, psz, cch);
369	RTMemTmpFree(psz);
370	}
371
372	/*
373	* Load the module and register it's devices.
374	*/
375	rc = pdmR3UsbLoad(pVM, &RegCB, szFilename, szName);
376	if (RT_FAILURE(rc))
377	return rc;
378	}
379
380	return VINF_SUCCESS;
381	}
382
383
384	/**
385	* Send the init-complete notification to all the USB devices.
386	*
387	* This is called from pdmR3DevInit() after it has do its notification round.
388	*
389	* @returns VBox status code.
390	* @param pVM Pointer to the VM.
391	*/
392	int pdmR3UsbVMInitComplete(PVM pVM)
393	{
394	for (PPDMUSBINS pUsbIns = pVM->pdm.s.pUsbInstances; pUsbIns; pUsbIns = pUsbIns->Internal.s.pNext)
395	{
396	if (pUsbIns->pReg->pfnVMInitComplete)
397	{
398	int rc = pUsbIns->pReg->pfnVMInitComplete(pUsbIns);
399	if (RT_FAILURE(rc))
400	{
401	AssertMsgFailed(("InitComplete on USB device '%s'/%d failed with rc=%Rrc\n",
402	pUsbIns->pReg->szName, pUsbIns->iInstance, rc));
403	return rc;
404	}
405	}
406	}
407	return VINF_SUCCESS;
408	}
409
410
411	/**
412	* Lookups a device structure by name.
413	* @internal
414	*/
415	PPDMUSB pdmR3UsbLookup(PVM pVM, const char *pszName)
416	{
417	size_t cchName = strlen(pszName);
418	for (PPDMUSB pUsb = pVM->pdm.s.pUsbDevs; pUsb; pUsb = pUsb->pNext)
419	if ( pUsb->cchName == cchName
420	&& !strcmp(pUsb->pReg->szName, pszName))
421	return pUsb;
422	return NULL;
423	}
424
425
426	/**
427	* Locates a suitable hub for the specified kind of device.
428	*
429	* @returns VINF_SUCCESS and *ppHub on success.
430	* VERR_PDM_NO_USB_HUBS or VERR_PDM_NO_USB_PORTS on failure.
431	* @param pVM Pointer to the VM.
432	* @param iUsbVersion The USB device version.
433	* @param ppHub Where to store the pointer to the USB hub.
434	*/
435	static int pdmR3UsbFindHub(PVM pVM, uint32_t iUsbVersion, PPDMUSBHUB *ppHub)
436	{
437	*ppHub = NULL;
438	if (!pVM->pdm.s.pUsbHubs)
439	return VERR_PDM_NO_USB_HUBS;
440
441	for (PPDMUSBHUB pCur = pVM->pdm.s.pUsbHubs; pCur; pCur = pCur->pNext)
442	if ( pCur->cAvailablePorts > 0
443	&& ( (pCur->fVersions & iUsbVersion)
444	\|\| pCur->fVersions == VUSB_STDVER_11))
445	{
446	*ppHub = pCur;
447	if (pCur->fVersions & iUsbVersion)
448	break;
449	}
450	if (*ppHub)
451	return VINF_SUCCESS;
452	return VERR_PDM_NO_USB_PORTS;
453	}
454
455
456	/**
457	* Creates the device.
458	*
459	* @returns VBox status code.
460	* @param pVM Pointer to the VM.
461	* @param pUsbDev The USB device emulation.
462	* @param iInstance -1 if not called by pdmR3UsbInstantiateDevices().
463	* @param pUuid The UUID for this device.
464	* @param ppInstanceNode Pointer to the device instance pointer. This is set to NULL if inserted
465	* into the tree or cleaned up.
466	*
467	* In the pdmR3UsbInstantiateDevices() case (iInstance != -1) this is
468	* the actual instance node and will not be cleaned up.
469	*
470	* @parma iUsbVersion The USB version preferred by the device.
471	*/
472	static int pdmR3UsbCreateDevice(PVM pVM, PPDMUSBHUB pHub, PPDMUSB pUsbDev, int iInstance, PCRTUUID pUuid,
473	PCFGMNODE *ppInstanceNode, uint32_t iUsbVersion)
474	{
475	const bool fAtRuntime = iInstance == -1;
476	int rc;
477
478	AssertPtrReturn(ppInstanceNode, VERR_INVALID_POINTER);
479	AssertPtrReturn(*ppInstanceNode, VERR_INVALID_POINTER);
480
481	/*
482	* If not called by pdmR3UsbInstantiateDevices(), we'll have to fix
483	* the configuration now.
484	*/
485	/* USB device node. */
486	PCFGMNODE pDevNode = CFGMR3GetChildF(CFGMR3GetRoot(pVM), "USB/%s/", pUsbDev->pReg->szName);
487	if (!pDevNode)
488	{
489	rc = CFGMR3InsertNodeF(CFGMR3GetRoot(pVM), &pDevNode, "USB/%s/", pUsbDev->pReg->szName);
490	AssertRCReturn(rc, rc);
491	}
492
493	/* The instance node and number. */
494	PCFGMNODE pInstanceToDelete = NULL;
495	PCFGMNODE pInstanceNode = NULL;
496	if (fAtRuntime)
497	{
498	/** @todo r=bird: This code is bogus as it ASSUMES that all USB devices are
499	* capable of infinite number of instances. */
500	for (unsigned c = 0; c < _2M; c++)
501	{
502	iInstance = pUsbDev->iNextInstance++;
503	rc = CFGMR3InsertNodeF(pDevNode, &pInstanceNode, "%d/", iInstance);
504	if (rc != VERR_CFGM_NODE_EXISTS)
505	break;
506	}
507	AssertRCReturn(rc, rc);
508
509	rc = CFGMR3ReplaceSubTree(pInstanceNode, *ppInstanceNode);
510	AssertRCReturn(rc, rc);
511	*ppInstanceNode = NULL;
512	pInstanceToDelete = pInstanceNode;
513	}
514	else
515	{
516	Assert(iInstance >= 0);
517	if (iInstance >= (int)pUsbDev->iNextInstance)
518	pUsbDev->iNextInstance = iInstance + 1;
519	pInstanceNode = *ppInstanceNode;
520	}
521
522	/* Make sure the instance config node exists. */
523	PCFGMNODE pConfig = CFGMR3GetChild(pInstanceNode, "Config");
524	if (!pConfig)
525	{
526	rc = CFGMR3InsertNode(pInstanceNode, "Config", &pConfig);
527	AssertRCReturn(rc, rc);
528	}
529	Assert(CFGMR3GetChild(pInstanceNode, "Config") == pConfig);
530
531	/* The global device config node. */
532	PCFGMNODE pGlobalConfig = CFGMR3GetChild(pDevNode, "GlobalConfig");
533	if (!pGlobalConfig)
534	{
535	rc = CFGMR3InsertNode(pDevNode, "GlobalConfig", &pGlobalConfig);
536	if (RT_FAILURE(rc))
537	{
538	CFGMR3RemoveNode(pInstanceToDelete);
539	AssertRCReturn(rc, rc);
540	}
541	}
542
543	/*
544	* Allocate the device instance.
545	*/
546	size_t cb = RT_OFFSETOF(PDMUSBINS, achInstanceData[pUsbDev->pReg->cbInstance]);
547	cb = RT_ALIGN_Z(cb, 16);
548	PPDMUSBINS pUsbIns;
549	rc = MMR3HeapAllocZEx(pVM, MM_TAG_PDM_USB, cb, (void **)&pUsbIns);
550	if (RT_FAILURE(rc))
551	{
552	AssertMsgFailed(("Failed to allocate %d bytes of instance data for USB device '%s'. rc=%Rrc\n",
553	cb, pUsbDev->pReg->szName, rc));
554	CFGMR3RemoveNode(pInstanceToDelete);
555	return rc;
556	}
557
558	/*
559	* Initialize it.
560	*/
561	pUsbIns->u32Version = PDM_USBINS_VERSION;
562	//pUsbIns->Internal.s.pNext = NULL;
563	//pUsbIns->Internal.s.pPerDeviceNext = NULL;
564	pUsbIns->Internal.s.pUsbDev = pUsbDev;
565	pUsbIns->Internal.s.pVM = pVM;
566	//pUsbIns->Internal.s.pLuns = NULL;
567	pUsbIns->Internal.s.pCfg = pInstanceNode;
568	pUsbIns->Internal.s.pCfgDelete = pInstanceToDelete;
569	pUsbIns->Internal.s.pCfgGlobal = pGlobalConfig;
570	pUsbIns->Internal.s.Uuid = *pUuid;
571	//pUsbIns->Internal.s.pHub = NULL;
572	pUsbIns->Internal.s.iPort = UINT32_MAX; /* to be determined. */
573	/* Set the flag accordingly.
574	* Oherwise VMPowerOff, VMSuspend will not be called for devices attached at runtime.
575	*/
576	pUsbIns->Internal.s.fVMSuspended = !fAtRuntime;
577	//pUsbIns->Internal.s.pfnAsyncNotify = NULL;
578	pUsbIns->pHlpR3 = &g_pdmR3UsbHlp;
579	pUsbIns->pReg = pUsbDev->pReg;
580	pUsbIns->pCfg = pConfig;
581	pUsbIns->pCfgGlobal = pGlobalConfig;
582	pUsbIns->iInstance = iInstance;
583	pUsbIns->pvInstanceDataR3 = &pUsbIns->achInstanceData[0];
584	pUsbIns->pszName = RTStrDup(pUsbDev->pReg->szName);
585	//pUsbIns->fTracing = 0;
586	pUsbIns->idTracing = ++pVM->pdm.s.idTracingOther;
587	pUsbIns->iUsbHubVersion = iUsbVersion;
588
589	/*
590	* Link it into all the lists.
591	*/
592	/* The global instance FIFO. */
593	PPDMUSBINS pPrev1 = pVM->pdm.s.pUsbInstances;
594	if (!pPrev1)
595	pVM->pdm.s.pUsbInstances = pUsbIns;
596	else
597	{
598	while (pPrev1->Internal.s.pNext)
599	{
600	Assert(pPrev1->u32Version == PDM_USBINS_VERSION);
601	pPrev1 = pPrev1->Internal.s.pNext;
602	}
603	pPrev1->Internal.s.pNext = pUsbIns;
604	}
605
606	/* The per device instance FIFO. */
607	PPDMUSBINS pPrev2 = pUsbDev->pInstances;
608	if (!pPrev2)
609	pUsbDev->pInstances = pUsbIns;
610	else
611	{
612	while (pPrev2->Internal.s.pPerDeviceNext)
613	{
614	Assert(pPrev2->u32Version == PDM_USBINS_VERSION);
615	pPrev2 = pPrev2->Internal.s.pPerDeviceNext;
616	}
617	pPrev2->Internal.s.pPerDeviceNext = pUsbIns;
618	}
619
620	/*
621	* Call the constructor.
622	*/
623	Log(("PDM: Constructing USB device '%s' instance %d...\n", pUsbIns->pReg->szName, pUsbIns->iInstance));
624	rc = pUsbIns->pReg->pfnConstruct(pUsbIns, pUsbIns->iInstance, pUsbIns->pCfg, pUsbIns->pCfgGlobal);
625	if (RT_SUCCESS(rc))
626	{
627	/*
628	* Attach it to the hub.
629	*/
630	Log(("PDM: Attaching it...\n"));
631	rc = pHub->Reg.pfnAttachDevice(pHub->pDrvIns, pUsbIns, &pUsbIns->Internal.s.iPort);
632	if (RT_SUCCESS(rc))
633	{
634	pHub->cAvailablePorts--;
635	Assert((int32_t)pHub->cAvailablePorts >= 0 && pHub->cAvailablePorts < pHub->cPorts);
636	pUsbIns->Internal.s.pHub = pHub;
637
638	/* Send the hot-plugged notification if applicable. */
639	if (fAtRuntime && pUsbIns->pReg->pfnHotPlugged)
640	pUsbIns->pReg->pfnHotPlugged(pUsbIns);
641
642	Log(("PDM: Successfully attached USB device '%s' instance %d to hub %p\n",
643	pUsbIns->pReg->szName, pUsbIns->iInstance, pHub));
644	return VINF_SUCCESS;
645	}
646
647	LogRel(("PDM: Failed to attach USB device '%s' instance %d to hub %p: %Rrc\n",
648	pUsbIns->pReg->szName, pUsbIns->iInstance, pHub, rc));
649	}
650	else
651	{
652	AssertMsgFailed(("Failed to construct '%s'/%d! %Rra\n", pUsbIns->pReg->szName, pUsbIns->iInstance, rc));
653	if (rc == VERR_VERSION_MISMATCH)
654	rc = VERR_PDM_DRIVER_VERSION_MISMATCH;
655	}
656	if (fAtRuntime)
657	pdmR3UsbDestroyDevice(pVM, pUsbIns);
658	/* else: destructors are invoked later. */
659	return rc;
660	}
661
662
663	/**
664	* Instantiate USB devices.
665	*
666	* This is called by pdmR3DevInit() after it has instantiated the
667	* other devices and their drivers. If there aren't any hubs
668	* around, we'll silently skip the USB devices.
669	*
670	* @returns VBox status code.
671	* @param pVM
672	*/
673	int pdmR3UsbInstantiateDevices(PVM pVM)
674	{
675	/*
676	* Any hubs?
677	*/
678	if (!pVM->pdm.s.pUsbHubs)
679	{
680	Log(("PDM: No USB hubs, skipping USB device instantiation.\n"));
681	return VINF_SUCCESS;
682	}
683
684	/*
685	* Count the device instances.
686	*/
687	PCFGMNODE pCur;
688	PCFGMNODE pUsbNode = CFGMR3GetChild(CFGMR3GetRoot(pVM), "USB/");
689	PCFGMNODE pInstanceNode;
690	unsigned cUsbDevs = 0;
691	for (pCur = CFGMR3GetFirstChild(pUsbNode); pCur; pCur = CFGMR3GetNextChild(pCur))
692	{
693	PCFGMNODE pGlobal = CFGMR3GetChild(pCur, "GlobalConfig/");
694	for (pInstanceNode = CFGMR3GetFirstChild(pCur); pInstanceNode; pInstanceNode = CFGMR3GetNextChild(pInstanceNode))
695	if (pInstanceNode != pGlobal)
696	cUsbDevs++;
697	}
698	if (!cUsbDevs)
699	{
700	Log(("PDM: No USB devices were configured!\n"));
701	return VINF_SUCCESS;
702	}
703	Log2(("PDM: cUsbDevs=%d!\n", cUsbDevs));
704
705	/*
706	* Collect info on each USB device instance.
707	*/
708	struct USBDEVORDER
709	{
710	/** Configuration node. */
711	PCFGMNODE pNode;
712	/** Pointer to the USB device. */
713	PPDMUSB pUsbDev;
714	/** Init order. */
715	uint32_t u32Order;
716	/** VBox instance number. */
717	uint32_t iInstance;
718	/** Device UUID. */
719	RTUUID Uuid;
720	} paUsbDevs = (struct USBDEVORDER )alloca(sizeof(paUsbDevs[0]) * (cUsbDevs + 1)); /* (One extra for swapping) */
721	Assert(paUsbDevs);
722	int rc;
723	unsigned i = 0;
724	for (pCur = CFGMR3GetFirstChild(pUsbNode); pCur; pCur = CFGMR3GetNextChild(pCur))
725	{
726	/* Get the device name. */
727	char szName[sizeof(paUsbDevs[0].pUsbDev->pReg->szName)];
728	rc = CFGMR3GetName(pCur, szName, sizeof(szName));
729	AssertMsgRCReturn(rc, ("Configuration error: device name is too long (or something)! rc=%Rrc\n", rc), rc);
730
731	/* Find the device. */
732	PPDMUSB pUsbDev = pdmR3UsbLookup(pVM, szName);
733	AssertMsgReturn(pUsbDev, ("Configuration error: device '%s' not found!\n", szName), VERR_PDM_DEVICE_NOT_FOUND);
734
735	/* Configured priority or use default? */
736	uint32_t u32Order;
737	rc = CFGMR3QueryU32(pCur, "Priority", &u32Order);
738	if (rc == VERR_CFGM_VALUE_NOT_FOUND)
739	u32Order = i << 4;
740	else
741	AssertMsgRCReturn(rc, ("Configuration error: reading \"Priority\" for the '%s' USB device failed rc=%Rrc!\n", szName, rc), rc);
742
743	/* Global config. */
744	PCFGMNODE pGlobal = CFGMR3GetChild(pCur, "GlobalConfig/");
745	if (!pGlobal)
746	{
747	rc = CFGMR3InsertNode(pCur, "GlobalConfig/", &pGlobal);
748	AssertMsgRCReturn(rc, ("Failed to create GlobalConfig node! rc=%Rrc\n", rc), rc);
749	CFGMR3SetRestrictedRoot(pGlobal);
750	}
751
752	/* Enumerate the device instances. */
753	for (pInstanceNode = CFGMR3GetFirstChild(pCur); pInstanceNode; pInstanceNode = CFGMR3GetNextChild(pInstanceNode))
754	{
755	if (pInstanceNode == pGlobal)
756	continue;
757
758	/* Use the configured UUID if present, create our own otherwise. */
759	char *pszUuid = NULL;
760
761	RTUuidClear(&paUsbDevs[i].Uuid);
762	rc = CFGMR3QueryStringAlloc(pInstanceNode, "UUID", &pszUuid);
763	if (RT_SUCCESS(rc))
764	{
765	AssertPtr(pszUuid);
766
767	rc = RTUuidFromStr(&paUsbDevs[i].Uuid, pszUuid);
768	AssertMsgRCReturn(rc, ("Failed to convert UUID from string! rc=%Rrc\n", rc), rc);
769	MMR3HeapFree(pszUuid);
770	}
771	else if (rc == VERR_CFGM_VALUE_NOT_FOUND)
772	rc = RTUuidCreate(&paUsbDevs[i].Uuid);
773
774	AssertRCReturn(rc, rc);
775	paUsbDevs[i].pNode = pInstanceNode;
776	paUsbDevs[i].pUsbDev = pUsbDev;
777	paUsbDevs[i].u32Order = u32Order;
778
779	/* Get the instance number. */
780	char szInstance[32];
781	rc = CFGMR3GetName(pInstanceNode, szInstance, sizeof(szInstance));
782	AssertMsgRCReturn(rc, ("Configuration error: instance name is too long (or something)! rc=%Rrc\n", rc), rc);
783	char *pszNext = NULL;
784	rc = RTStrToUInt32Ex(szInstance, &pszNext, 0, &paUsbDevs[i].iInstance);
785	AssertMsgRCReturn(rc, ("Configuration error: RTStrToInt32Ex failed on the instance name '%s'! rc=%Rrc\n", szInstance, rc), rc);
786	AssertMsgReturn(!*pszNext, ("Configuration error: the instance name '%s' isn't all digits. (%s)\n", szInstance, pszNext), VERR_INVALID_PARAMETER);
787
788	/* next instance */
789	i++;
790	}
791	} /* devices */
792	Assert(i == cUsbDevs);
793
794	/*
795	* Sort the device array ascending on u32Order. (bubble)
796	*/
797	unsigned c = cUsbDevs - 1;
798	while (c)
799	{
800	unsigned j = 0;
801	for (i = 0; i < c; i++)
802	if (paUsbDevs[i].u32Order > paUsbDevs[i + 1].u32Order)
803	{
804	paUsbDevs[cUsbDevs] = paUsbDevs[i + 1];
805	paUsbDevs[i + 1] = paUsbDevs[i];
806	paUsbDevs[i] = paUsbDevs[cUsbDevs];
807	j = i;
808	}
809	c = j;
810	}
811
812	/*
813	* Instantiate the devices.
814	*/
815	for (i = 0; i < cUsbDevs; i++)
816	{
817	/*
818	* Make sure there is a config node and mark it as restricted.
819	*/
820	PCFGMNODE pConfigNode = CFGMR3GetChild(paUsbDevs[i].pNode, "Config/");
821	if (!pConfigNode)
822	{
823	rc = CFGMR3InsertNode(paUsbDevs[i].pNode, "Config", &pConfigNode);
824	AssertMsgRCReturn(rc, ("Failed to create Config node! rc=%Rrc\n", rc), rc);
825	}
826	CFGMR3SetRestrictedRoot(pConfigNode);
827
828	/*
829	* Every device must support USB 1.x hubs; optionally, high-speed USB 2.0 hubs
830	* might be also supported. This determines where to attach the device.
831	*/
832	uint32_t iUsbVersion = VUSB_STDVER_11;
833
834	if (paUsbDevs[i].pUsbDev->pReg->fFlags & PDM_USBREG_HIGHSPEED_CAPABLE)
835	iUsbVersion \|= VUSB_STDVER_20;
836
837	/*
838	* Find a suitable hub with free ports.
839	*/
840	PPDMUSBHUB pHub;
841	rc = pdmR3UsbFindHub(pVM, iUsbVersion, &pHub);
842	if (RT_FAILURE(rc))
843	{
844	Log(("pdmR3UsbFindHub failed %Rrc\n", rc));
845	return rc;
846	}
847
848	/*
849	* This is how we inform the device what speed it's communicating at, and hence
850	* which descriptors it should present to the guest.
851	*/
852	iUsbVersion &= pHub->fVersions;
853
854	/*
855	* Create and attach the device.
856	*/
857	rc = pdmR3UsbCreateDevice(pVM, pHub, paUsbDevs[i].pUsbDev, paUsbDevs[i].iInstance, &paUsbDevs[i].Uuid,
858	&paUsbDevs[i].pNode, iUsbVersion);
859	if (RT_FAILURE(rc))
860	return rc;
861	} /* for device instances */
862
863	return VINF_SUCCESS;
864	}
865
866
867	/**
868	* Creates an emulated USB device instance at runtime.
869	*
870	* This will find an appropriate HUB for the USB device
871	* and try instantiate the emulated device.
872	*
873	* @returns VBox status code.
874	* @param pUVM The user mode VM handle.
875	* @param pszDeviceName The name of the PDM device to instantiate.
876	* @param pInstanceNode The instance CFGM node.
877	* @param pUuid The UUID to be associated with the device.
878	*
879	* @thread EMT
880	*/
881	VMMR3DECL(int) PDMR3UsbCreateEmulatedDevice(PUVM pUVM, const char *pszDeviceName, PCFGMNODE pInstanceNode, PCRTUUID pUuid)
882	{
883	/*
884	* Validate input.
885	*/
886	UVM_ASSERT_VALID_EXT_RETURN(pUVM, VERR_INVALID_VM_HANDLE);
887	PVM pVM = pUVM->pVM;
888	VM_ASSERT_VALID_EXT_RETURN(pVM, VERR_INVALID_VM_HANDLE);
889	VM_ASSERT_EMT_RETURN(pVM, VERR_VM_THREAD_NOT_EMT);
890	AssertPtrReturn(pszDeviceName, VERR_INVALID_POINTER);
891	AssertPtrReturn(pInstanceNode, VERR_INVALID_POINTER);
892
893	/*
894	* Find the device.
895	*/
896	PPDMUSB pUsbDev = pdmR3UsbLookup(pVM, pszDeviceName);
897	if (!pUsbDev)
898	{
899	LogRel(("PDMR3UsbCreateEmulatedDevice: The '%s' device wasn't found\n", pszDeviceName));
900	return VERR_PDM_NO_USBPROXY;
901	}
902
903	/*
904	* Every device must support USB 1.x hubs; optionally, high-speed USB 2.0 hubs
905	* might be also supported. This determines where to attach the device.
906	*/
907	uint32_t iUsbVersion = VUSB_STDVER_11;
908	if (pUsbDev->pReg->fFlags & PDM_USBREG_HIGHSPEED_CAPABLE)
909	iUsbVersion \|= VUSB_STDVER_20;
910
911	/*
912	* Find a suitable hub with free ports.
913	*/
914	PPDMUSBHUB pHub;
915	int rc = pdmR3UsbFindHub(pVM, iUsbVersion, &pHub);
916	if (RT_FAILURE(rc))
917	{
918	Log(("pdmR3UsbFindHub: failed %Rrc\n", rc));
919	return rc;
920	}
921
922	/*
923	* This is how we inform the device what speed it's communicating at, and hence
924	* which descriptors it should present to the guest.
925	*/
926	iUsbVersion &= pHub->fVersions;
927
928	/*
929	* Create and attach the device.
930	*/
931	rc = pdmR3UsbCreateDevice(pVM, pHub, pUsbDev, -1, pUuid, &pInstanceNode, iUsbVersion);
932	AssertRCReturn(rc, rc);
933
934	return rc;
935	}
936
937
938	/**
939	* Creates a USB proxy device instance.
940	*
941	* This will find an appropriate HUB for the USB device, create the necessary CFGM stuff
942	* and try instantiate the proxy device.
943	*
944	* @returns VBox status code.
945	* @param pUVM The user mode VM handle.
946	* @param pUuid The UUID to be associated with the device.
947	* @param fRemote Whether it's a remove or local device.
948	* @param pszAddress The address string.
949	* @param pvBackend Pointer to the backend.
950	* @param iUsbVersion The preferred USB version.
951	* @param fMaskedIfs The interfaces to hide from the guest.
952	*/
953	VMMR3DECL(int) PDMR3UsbCreateProxyDevice(PUVM pUVM, PCRTUUID pUuid, bool fRemote, const char pszAddress, void pvBackend,
954	uint32_t iUsbVersion, uint32_t fMaskedIfs)
955	{
956	/*
957	* Validate input.
958	*/
959	UVM_ASSERT_VALID_EXT_RETURN(pUVM, VERR_INVALID_VM_HANDLE);
960	PVM pVM = pUVM->pVM;
961	VM_ASSERT_VALID_EXT_RETURN(pVM, VERR_INVALID_VM_HANDLE);
962	VM_ASSERT_EMT_RETURN(pVM, VERR_VM_THREAD_NOT_EMT);
963	AssertPtrReturn(pUuid, VERR_INVALID_POINTER);
964	AssertPtrReturn(pszAddress, VERR_INVALID_POINTER);
965	AssertReturn( iUsbVersion == VUSB_STDVER_20
966	\|\| iUsbVersion == VUSB_STDVER_11, VERR_INVALID_PARAMETER);
967
968	/*
969	* Find the USBProxy driver.
970	*/
971	PPDMUSB pUsbDev = pdmR3UsbLookup(pVM, "USBProxy");
972	if (!pUsbDev)
973	{
974	LogRel(("PDMR3UsbCreateProxyDevice: The USBProxy device class wasn't found\n"));
975	return VERR_PDM_NO_USBPROXY;
976	}
977
978	/*
979	* Find a suitable hub with free ports.
980	*/
981	PPDMUSBHUB pHub;
982	int rc = pdmR3UsbFindHub(pVM, iUsbVersion, &pHub);
983	if (RT_FAILURE(rc))
984	{
985	Log(("pdmR3UsbFindHub: failed %Rrc\n", rc));
986	return rc;
987	}
988
989	/*
990	* Create the CFGM instance node.
991	*/
992	PCFGMNODE pInstance = CFGMR3CreateTree(pUVM);
993	AssertReturn(pInstance, VERR_NO_MEMORY);
994	do /* break loop */
995	{
996	PCFGMNODE pConfig;
997	rc = CFGMR3InsertNode(pInstance, "Config", &pConfig); AssertRCBreak(rc);
998	rc = CFGMR3InsertString(pConfig, "Address", pszAddress); AssertRCBreak(rc);
999	char szUuid[RTUUID_STR_LENGTH];
1000	rc = RTUuidToStr(pUuid, &szUuid[0], sizeof(szUuid)); AssertRCBreak(rc);
1001	rc = CFGMR3InsertString(pConfig, "UUID", szUuid); AssertRCBreak(rc);
1002	rc = CFGMR3InsertInteger(pConfig, "Remote", fRemote); AssertRCBreak(rc);
1003	rc = CFGMR3InsertInteger(pConfig, "USBVersion", iUsbVersion); AssertRCBreak(rc);
1004	rc = CFGMR3InsertInteger(pConfig, "pvBackend", (uintptr_t)pvBackend); AssertRCBreak(rc);
1005	rc = CFGMR3InsertInteger(pConfig, "MaskedIfs", fMaskedIfs); AssertRCBreak(rc);
1006	rc = CFGMR3InsertInteger(pConfig, "Force11Device", !(pHub->fVersions & iUsbVersion)); AssertRCBreak(rc);
1007	} while (0); /* break loop */
1008	if (RT_FAILURE(rc))
1009	{
1010	CFGMR3RemoveNode(pInstance);
1011	LogRel(("PDMR3UsbCreateProxyDevice: failed to setup CFGM config, rc=%Rrc\n", rc));
1012	return rc;
1013	}
1014
1015	/*
1016	* Finally, try to create it.
1017	*/
1018	rc = pdmR3UsbCreateDevice(pVM, pHub, pUsbDev, -1, pUuid, &pInstance, iUsbVersion);
1019	if (RT_FAILURE(rc) && pInstance)
1020	CFGMR3RemoveNode(pInstance);
1021	return rc;
1022	}
1023
1024
1025	/**
1026	* Destroys a hot-plugged USB device.
1027	*
1028	* The device must be detached from the HUB at this point.
1029	*
1030	* @param pVM Pointer to the VM.
1031	* @param pUsbIns The USB device instance to destroy.
1032	* @thread EMT
1033	*/
1034	static void pdmR3UsbDestroyDevice(PVM pVM, PPDMUSBINS pUsbIns)
1035	{
1036	Assert(!pUsbIns->Internal.s.pHub);
1037
1038	/*
1039	* Do the unplug notification.
1040	*/
1041	/** @todo what about the drivers? */
1042	if (pUsbIns->pReg->pfnHotUnplugged)
1043	pUsbIns->pReg->pfnHotUnplugged(pUsbIns);
1044
1045	/*
1046	* Destroy the luns with their driver chains and call the device destructor.
1047	*/
1048	while (pUsbIns->Internal.s.pLuns)
1049	{
1050	PPDMLUN pLun = pUsbIns->Internal.s.pLuns;
1051	pUsbIns->Internal.s.pLuns = pLun->pNext;
1052	if (pLun->pTop)
1053	pdmR3DrvDestroyChain(pLun->pTop, PDM_TACH_FLAGS_NOT_HOT_PLUG); /* Hotplugging is handled differently here atm. */
1054	MMR3HeapFree(pLun);
1055	}
1056
1057	/* finally, the device. */
1058	if (pUsbIns->pReg->pfnDestruct)
1059	{
1060	Log(("PDM: Destructing USB device '%s' instance %d...\n", pUsbIns->pReg->szName, pUsbIns->iInstance));
1061	pUsbIns->pReg->pfnDestruct(pUsbIns);
1062	}
1063	TMR3TimerDestroyUsb(pVM, pUsbIns);
1064	SSMR3DeregisterUsb(pVM, pUsbIns, NULL, 0);
1065	pdmR3ThreadDestroyUsb(pVM, pUsbIns);
1066	#ifdef VBOX_WITH_PDM_ASYNC_COMPLETION
1067	pdmR3AsyncCompletionTemplateDestroyUsb(pVM, pUsbIns);
1068	#endif
1069
1070	/*
1071	* Unlink it.
1072	*/
1073	/* The global instance FIFO. */
1074	if (pVM->pdm.s.pUsbInstances == pUsbIns)
1075	pVM->pdm.s.pUsbInstances = pUsbIns->Internal.s.pNext;
1076	else
1077	{
1078	PPDMUSBINS pPrev = pVM->pdm.s.pUsbInstances;
1079	while (pPrev && pPrev->Internal.s.pNext != pUsbIns)
1080	{
1081	Assert(pPrev->u32Version == PDM_USBINS_VERSION);
1082	pPrev = pPrev->Internal.s.pNext;
1083	}
1084	Assert(pPrev); Assert(pPrev != pUsbIns);
1085	if (pPrev)
1086	pPrev->Internal.s.pNext = pUsbIns->Internal.s.pNext;
1087	}
1088
1089	/* The per device instance FIFO. */
1090	PPDMUSB pUsbDev = pUsbIns->Internal.s.pUsbDev;
1091	if (pUsbDev->pInstances == pUsbIns)
1092	pUsbDev->pInstances = pUsbIns->Internal.s.pPerDeviceNext;
1093	else
1094	{
1095	PPDMUSBINS pPrev = pUsbDev->pInstances;
1096	while (pPrev && pPrev->Internal.s.pPerDeviceNext != pUsbIns)
1097	{
1098	Assert(pPrev->u32Version == PDM_USBINS_VERSION);
1099	pPrev = pPrev->Internal.s.pPerDeviceNext;
1100	}
1101	Assert(pPrev); Assert(pPrev != pUsbIns);
1102	if (pPrev)
1103	pPrev->Internal.s.pPerDeviceNext = pUsbIns->Internal.s.pPerDeviceNext;
1104	}
1105
1106	/*
1107	* Trash it.
1108	*/
1109	pUsbIns->u32Version = 0;
1110	pUsbIns->pReg = NULL;
1111	if (pUsbIns->pszName)
1112	{
1113	RTStrFree(pUsbIns->pszName);
1114	pUsbIns->pszName = NULL;
1115	}
1116	CFGMR3RemoveNode(pUsbIns->Internal.s.pCfgDelete);
1117	MMR3HeapFree(pUsbIns);
1118	}
1119
1120
1121	/**
1122	* Detaches and destroys a USB device.
1123	*
1124	* @returns VBox status code.
1125	* @param pUVM The user mode VM handle.
1126	* @param pUuid The UUID associated with the device to detach.
1127	* @thread EMT
1128	*/
1129	VMMR3DECL(int) PDMR3UsbDetachDevice(PUVM pUVM, PCRTUUID pUuid)
1130	{
1131	/*
1132	* Validate input.
1133	*/
1134	UVM_ASSERT_VALID_EXT_RETURN(pUVM, VERR_INVALID_VM_HANDLE);
1135	PVM pVM = pUVM->pVM;
1136	VM_ASSERT_VALID_EXT_RETURN(pVM, VERR_INVALID_VM_HANDLE);
1137	VM_ASSERT_EMT(pVM);
1138	AssertPtrReturn(pUuid, VERR_INVALID_POINTER);
1139
1140	/*
1141	* Search the global list for it.
1142	*/
1143	PPDMUSBINS pUsbIns = pVM->pdm.s.pUsbInstances;
1144	for ( ; pUsbIns; pUsbIns = pUsbIns->Internal.s.pNext)
1145	if (!RTUuidCompare(&pUsbIns->Internal.s.Uuid, pUuid))
1146	break;
1147	if (!pUsbIns)
1148	return VERR_PDM_DEVICE_INSTANCE_NOT_FOUND; /** @todo VERR_PDM_USB_INSTANCE_NOT_FOUND */
1149
1150	/*
1151	* Detach it from the HUB (if it's actually attached to one).
1152	*/
1153	PPDMUSBHUB pHub = pUsbIns->Internal.s.pHub;
1154	if (pHub)
1155	{
1156	int rc = pHub->Reg.pfnDetachDevice(pHub->pDrvIns, pUsbIns, pUsbIns->Internal.s.iPort);
1157	if (RT_FAILURE(rc))
1158	{
1159	LogRel(("PDM: Failed to detach USB device '%s' instance %d from %p: %Rrc\n",
1160	pUsbIns->pReg->szName, pUsbIns->iInstance, pHub, rc));
1161	return rc;
1162	}
1163
1164	pHub->cAvailablePorts++;
1165	Assert(pHub->cAvailablePorts > 0 && pHub->cAvailablePorts <= pHub->cPorts);
1166	pUsbIns->Internal.s.pHub = NULL;
1167	}
1168
1169	/*
1170	* Notify about unplugging and destroy the device with it's drivers.
1171	*/
1172	pdmR3UsbDestroyDevice(pVM, pUsbIns);
1173
1174	return VINF_SUCCESS;
1175	}
1176
1177
1178	/**
1179	* Checks if there are any USB hubs attached.
1180	*
1181	* @returns true / false accordingly.
1182	* @param pUVM The user mode VM handle.
1183	*/
1184	VMMR3DECL(bool) PDMR3UsbHasHub(PUVM pUVM)
1185	{
1186	UVM_ASSERT_VALID_EXT_RETURN(pUVM, false);
1187	PVM pVM = pUVM->pVM;
1188	VM_ASSERT_VALID_EXT_RETURN(pVM, false);
1189	return pVM->pdm.s.pUsbHubs != NULL;
1190	}
1191
1192
1193	/**
1194	* Locates a LUN.
1195	*
1196	* @returns VBox status code.
1197	* @param pVM Pointer to the VM.
1198	* @param pszDevice Device name.
1199	* @param iInstance Device instance.
1200	* @param iLun The Logical Unit to obtain the interface of.
1201	* @param ppLun Where to store the pointer to the LUN if found.
1202	* @thread Try only do this in EMT...
1203	*/
1204	static int pdmR3UsbFindLun(PVM pVM, const char *pszDevice, unsigned iInstance, unsigned iLun, PPPDMLUN ppLun)
1205	{
1206	/*
1207	* Iterate registered devices looking for the device.
1208	*/
1209	size_t cchDevice = strlen(pszDevice);
1210	for (PPDMUSB pUsbDev = pVM->pdm.s.pUsbDevs; pUsbDev; pUsbDev = pUsbDev->pNext)
1211	{
1212	if ( pUsbDev->cchName == cchDevice
1213	&& !memcmp(pUsbDev->pReg->szName, pszDevice, cchDevice))
1214	{
1215	/*
1216	* Iterate device instances.
1217	*/
1218	for (PPDMUSBINS pUsbIns = pUsbDev->pInstances; pUsbIns; pUsbIns = pUsbIns->Internal.s.pPerDeviceNext)
1219	{
1220	if (pUsbIns->iInstance == iInstance)
1221	{
1222	/*
1223	* Iterate luns.
1224	*/
1225	for (PPDMLUN pLun = pUsbIns->Internal.s.pLuns; pLun; pLun = pLun->pNext)
1226	{
1227	if (pLun->iLun == iLun)
1228	{
1229	*ppLun = pLun;
1230	return VINF_SUCCESS;
1231	}
1232	}
1233	return VERR_PDM_LUN_NOT_FOUND;
1234	}
1235	}
1236	return VERR_PDM_DEVICE_INSTANCE_NOT_FOUND;
1237	}
1238	}
1239	return VERR_PDM_DEVICE_NOT_FOUND;
1240	}
1241
1242
1243	/**
1244	* Attaches a preconfigured driver to an existing device or driver instance.
1245	*
1246	* This is used to change drivers and suchlike at runtime. The driver or device
1247	* at the end of the chain will be told to attach to whatever is configured
1248	* below it.
1249	*
1250	* @returns VBox status code.
1251	* @param pUVM The user mode VM handle.
1252	* @param pszDevice Device name.
1253	* @param iInstance Device instance.
1254	* @param iLun The Logical Unit to obtain the interface of.
1255	* @param fFlags Flags, combination of the PDM_TACH_FLAGS_* \#defines.
1256	* @param ppBase Where to store the base interface pointer. Optional.
1257	*
1258	* @thread EMT
1259	*/
1260	VMMR3DECL(int) PDMR3UsbDriverAttach(PUVM pUVM, const char *pszDevice, unsigned iDevIns, unsigned iLun, uint32_t fFlags,
1261	PPPDMIBASE ppBase)
1262	{
1263	LogFlow(("PDMR3UsbDriverAttach: pszDevice=%p:{%s} iDevIns=%d iLun=%d fFlags=%#x ppBase=%p\n",
1264	pszDevice, pszDevice, iDevIns, iLun, fFlags, ppBase));
1265	UVM_ASSERT_VALID_EXT_RETURN(pUVM, VERR_INVALID_VM_HANDLE);
1266	PVM pVM = pUVM->pVM;
1267	VM_ASSERT_VALID_EXT_RETURN(pVM, VERR_INVALID_VM_HANDLE);
1268	VM_ASSERT_EMT(pVM);
1269
1270	if (ppBase)
1271	*ppBase = NULL;
1272
1273	/*
1274	* Find the LUN in question.
1275	*/
1276	PPDMLUN pLun;
1277	int rc = pdmR3UsbFindLun(pVM, pszDevice, iDevIns, iLun, &pLun);
1278	if (RT_SUCCESS(rc))
1279	{
1280	/*
1281	* Anything attached to the LUN?
1282	*/
1283	PPDMDRVINS pDrvIns = pLun->pTop;
1284	if (!pDrvIns)
1285	{
1286	/* No, ask the device to attach to the new stuff. */
1287	PPDMUSBINS pUsbIns = pLun->pUsbIns;
1288	if (pUsbIns->pReg->pfnDriverAttach)
1289	{
1290	rc = pUsbIns->pReg->pfnDriverAttach(pUsbIns, iLun, fFlags);
1291	if (RT_SUCCESS(rc) && ppBase)
1292	*ppBase = pLun->pTop ? &pLun->pTop->IBase : NULL;
1293	}
1294	else
1295	rc = VERR_PDM_DEVICE_NO_RT_ATTACH;
1296	}
1297	else
1298	{
1299	/* Yes, find the bottom most driver and ask it to attach to the new stuff. */
1300	while (pDrvIns->Internal.s.pDown)
1301	pDrvIns = pDrvIns->Internal.s.pDown;
1302	if (pDrvIns->pReg->pfnAttach)
1303	{
1304	rc = pDrvIns->pReg->pfnAttach(pDrvIns, fFlags);
1305	if (RT_SUCCESS(rc) && ppBase)
1306	*ppBase = pDrvIns->Internal.s.pDown
1307	? &pDrvIns->Internal.s.pDown->IBase
1308	: NULL;
1309	}
1310	else
1311	rc = VERR_PDM_DRIVER_NO_RT_ATTACH;
1312	}
1313	}
1314
1315	if (ppBase)
1316	LogFlow(("PDMR3UsbDriverAttach: returns %Rrc ppBase=%p\n", rc, ppBase));
1317	else
1318	LogFlow(("PDMR3UsbDriverAttach: returns %Rrc\n", rc));
1319	return rc;
1320	}
1321
1322
1323	/**
1324	* Detaches the specified driver instance.
1325	*
1326	* This is used to replumb drivers at runtime for simulating hot plugging and
1327	* media changes.
1328	*
1329	* This method allows detaching drivers from
1330	* any driver or device by specifying the driver to start detaching at. The
1331	* only prerequisite is that the driver or device above implements the
1332	* pfnDetach callback (PDMDRVREG / PDMUSBREG).
1333	*
1334	* @returns VBox status code.
1335	* @param pUVM The user mode VM handle.
1336	* @param pszDevice Device name.
1337	* @param iDevIns Device instance.
1338	* @param iLun The Logical Unit in which to look for the driver.
1339	* @param pszDriver The name of the driver which to detach. If NULL
1340	* then the entire driver chain is detatched.
1341	* @param iOccurance The occurrence of that driver in the chain. This is
1342	* usually 0.
1343	* @param fFlags Flags, combination of the PDM_TACH_FLAGS_* \#defines.
1344	* @thread EMT
1345	*/
1346	VMMR3DECL(int) PDMR3UsbDriverDetach(PUVM pUVM, const char *pszDevice, unsigned iDevIns, unsigned iLun,
1347	const char *pszDriver, unsigned iOccurance, uint32_t fFlags)
1348	{
1349	LogFlow(("PDMR3UsbDriverDetach: pszDevice=%p:{%s} iDevIns=%u iLun=%u pszDriver=%p:{%s} iOccurance=%u fFlags=%#x\n",
1350	pszDevice, pszDevice, iDevIns, iLun, pszDriver, iOccurance, fFlags));
1351	UVM_ASSERT_VALID_EXT_RETURN(pUVM, VERR_INVALID_VM_HANDLE);
1352	PVM pVM = pUVM->pVM;
1353	VM_ASSERT_VALID_EXT_RETURN(pVM, VERR_INVALID_VM_HANDLE);
1354	VM_ASSERT_EMT(pVM);
1355	AssertPtr(pszDevice);
1356	AssertPtrNull(pszDriver);
1357	Assert(iOccurance == 0 \|\| pszDriver);
1358	Assert(!(fFlags & ~(PDM_TACH_FLAGS_NOT_HOT_PLUG)));
1359
1360	/*
1361	* Find the LUN in question.
1362	*/
1363	PPDMLUN pLun;
1364	int rc = pdmR3UsbFindLun(pVM, pszDevice, iDevIns, iLun, &pLun);
1365	if (RT_SUCCESS(rc))
1366	{
1367	/*
1368	* Locate the driver.
1369	*/
1370	PPDMDRVINS pDrvIns = pLun->pTop;
1371	if (pDrvIns)
1372	{
1373	if (pszDriver)
1374	{
1375	while (pDrvIns)
1376	{
1377	if (!strcmp(pDrvIns->pReg->szName, pszDriver))
1378	{
1379	if (iOccurance == 0)
1380	break;
1381	iOccurance--;
1382	}
1383	pDrvIns = pDrvIns->Internal.s.pDown;
1384	}
1385	}
1386	if (pDrvIns)
1387	rc = pdmR3DrvDetach(pDrvIns, fFlags);
1388	else
1389	rc = VERR_PDM_DRIVER_INSTANCE_NOT_FOUND;
1390	}
1391	else
1392	rc = VINF_PDM_NO_DRIVER_ATTACHED_TO_LUN;
1393	}
1394
1395	LogFlow(("PDMR3UsbDriverDetach: returns %Rrc\n", rc));
1396	return rc;
1397	}
1398
1399
1400	/**
1401	* Query the interface of the top level driver on a LUN.
1402	*
1403	* @returns VBox status code.
1404	* @param pUVM The user mode VM handle.
1405	* @param pszDevice Device name.
1406	* @param iInstance Device instance.
1407	* @param iLun The Logical Unit to obtain the interface of.
1408	* @param ppBase Where to store the base interface pointer.
1409	* @remark We're not doing any locking ATM, so don't try call this at times when the
1410	* device chain is known to be updated.
1411	*/
1412	VMMR3DECL(int) PDMR3UsbQueryLun(PUVM pUVM, const char pszDevice, unsigned iInstance, unsigned iLun, PPDMIBASE ppBase)
1413	{
1414	LogFlow(("PDMR3UsbQueryLun: pszDevice=%p:{%s} iInstance=%u iLun=%u ppBase=%p\n",
1415	pszDevice, pszDevice, iInstance, iLun, ppBase));
1416	UVM_ASSERT_VALID_EXT_RETURN(pUVM, VERR_INVALID_VM_HANDLE);
1417	PVM pVM = pUVM->pVM;
1418	VM_ASSERT_VALID_EXT_RETURN(pVM, VERR_INVALID_VM_HANDLE);
1419
1420	/*
1421	* Find the LUN.
1422	*/
1423	PPDMLUN pLun;
1424	int rc = pdmR3UsbFindLun(pVM, pszDevice, iInstance, iLun, &pLun);
1425	if (RT_SUCCESS(rc))
1426	{
1427	if (pLun->pTop)
1428	{
1429	*ppBase = &pLun->pTop->IBase;
1430	LogFlow(("PDMR3UsbQueryLun: return %Rrc and ppBase=%p\n", VINF_SUCCESS, ppBase));
1431	return VINF_SUCCESS;
1432	}
1433	rc = VERR_PDM_NO_DRIVER_ATTACHED_TO_LUN;
1434	}
1435	LogFlow(("PDMR3UsbQueryLun: returns %Rrc\n", rc));
1436	return rc;
1437	}
1438
1439
1440	/** @name USB Device Helpers
1441	* @{
1442	*/
1443
1444	/** @interface_method_impl{PDMUSBHLPR3,pfnDriverAttach} */
1445	static DECLCALLBACK(int) pdmR3UsbHlp_DriverAttach(PPDMUSBINS pUsbIns, RTUINT iLun, PPDMIBASE pBaseInterface,
1446	PPDMIBASE ppBaseInterface, const char pszDesc)
1447	{
1448	PDMUSB_ASSERT_USBINS(pUsbIns);
1449	PVM pVM = pUsbIns->Internal.s.pVM;
1450	VM_ASSERT_EMT(pVM);
1451	LogFlow(("pdmR3UsbHlp_DriverAttach: caller='%s'/%d: iLun=%d pBaseInterface=%p ppBaseInterface=%p pszDesc=%p:{%s}\n",
1452	pUsbIns->pReg->szName, pUsbIns->iInstance, iLun, pBaseInterface, ppBaseInterface, pszDesc, pszDesc));
1453
1454	/*
1455	* Lookup the LUN, it might already be registered.
1456	*/
1457	PPDMLUN pLunPrev = NULL;
1458	PPDMLUN pLun = pUsbIns->Internal.s.pLuns;
1459	for (; pLun; pLunPrev = pLun, pLun = pLun->pNext)
1460	if (pLun->iLun == iLun)
1461	break;
1462
1463	/*
1464	* Create the LUN if if wasn't found, else check if driver is already attached to it.
1465	*/
1466	if (!pLun)
1467	{
1468	if ( !pBaseInterface
1469	\|\| !pszDesc
1470	\|\| !*pszDesc)
1471	{
1472	Assert(pBaseInterface);
1473	Assert(pszDesc \|\| *pszDesc);
1474	return VERR_INVALID_PARAMETER;
1475	}
1476
1477	pLun = (PPDMLUN)MMR3HeapAlloc(pVM, MM_TAG_PDM_LUN, sizeof(*pLun));
1478	if (!pLun)
1479	return VERR_NO_MEMORY;
1480
1481	pLun->iLun = iLun;
1482	pLun->pNext = pLunPrev ? pLunPrev->pNext : NULL;
1483	pLun->pTop = NULL;
1484	pLun->pBottom = NULL;
1485	pLun->pDevIns = NULL;
1486	pLun->pUsbIns = pUsbIns;
1487	pLun->pszDesc = pszDesc;
1488	pLun->pBase = pBaseInterface;
1489	if (!pLunPrev)
1490	pUsbIns->Internal.s.pLuns = pLun;
1491	else
1492	pLunPrev->pNext = pLun;
1493	Log(("pdmR3UsbHlp_DriverAttach: Registered LUN#%d '%s' with device '%s'/%d.\n",
1494	iLun, pszDesc, pUsbIns->pReg->szName, pUsbIns->iInstance));
1495	}
1496	else if (pLun->pTop)
1497	{
1498	AssertMsgFailed(("Already attached! The device should keep track of such things!\n"));
1499	LogFlow(("pdmR3UsbHlp_DriverAttach: caller='%s'/%d: returns %Rrc\n", pUsbIns->pReg->szName, pUsbIns->iInstance, VERR_PDM_DRIVER_ALREADY_ATTACHED));
1500	return VERR_PDM_DRIVER_ALREADY_ATTACHED;
1501	}
1502	Assert(pLun->pBase == pBaseInterface);
1503
1504
1505	/*
1506	* Get the attached driver configuration.
1507	*/
1508	int rc;
1509	PCFGMNODE pNode = CFGMR3GetChildF(pUsbIns->Internal.s.pCfg, "LUN#%u", iLun);
1510	if (pNode)
1511	rc = pdmR3DrvInstantiate(pVM, pNode, pBaseInterface, NULL /pDrvAbove/, pLun, ppBaseInterface);
1512	else
1513	rc = VERR_PDM_NO_ATTACHED_DRIVER;
1514
1515
1516	LogFlow(("pdmR3UsbHlp_DriverAttach: caller='%s'/%d: returns %Rrc\n", pUsbIns->pReg->szName, pUsbIns->iInstance, rc));
1517	return rc;
1518	}
1519
1520
1521	/** @interface_method_impl{PDMUSBHLP,pfnAssertEMT} */
1522	static DECLCALLBACK(bool) pdmR3UsbHlp_AssertEMT(PPDMUSBINS pUsbIns, const char pszFile, unsigned iLine, const char pszFunction)
1523	{
1524	PDMUSB_ASSERT_USBINS(pUsbIns);
1525	if (VM_IS_EMT(pUsbIns->Internal.s.pVM))
1526	return true;
1527
1528	char szMsg[100];
1529	RTStrPrintf(szMsg, sizeof(szMsg), "AssertEMT '%s'/%d\n", pUsbIns->pReg->szName, pUsbIns->iInstance);
1530	RTAssertMsg1Weak(szMsg, iLine, pszFile, pszFunction);
1531	AssertBreakpoint();
1532	return false;
1533	}
1534
1535
1536	/** @interface_method_impl{PDMUSBHLP,pfnAssertOther} */
1537	static DECLCALLBACK(bool) pdmR3UsbHlp_AssertOther(PPDMUSBINS pUsbIns, const char pszFile, unsigned iLine, const char pszFunction)
1538	{
1539	PDMUSB_ASSERT_USBINS(pUsbIns);
1540	if (!VM_IS_EMT(pUsbIns->Internal.s.pVM))
1541	return true;
1542
1543	char szMsg[100];
1544	RTStrPrintf(szMsg, sizeof(szMsg), "AssertOther '%s'/%d\n", pUsbIns->pReg->szName, pUsbIns->iInstance);
1545	RTAssertMsg1Weak(szMsg, iLine, pszFile, pszFunction);
1546	AssertBreakpoint();
1547	return false;
1548	}
1549
1550
1551	/** @interface_method_impl{PDMUSBHLP,pfnDBGFStopV} */
1552	static DECLCALLBACK(int) pdmR3UsbHlp_DBGFStopV(PPDMUSBINS pUsbIns, const char pszFile, unsigned iLine, const char pszFunction, const char *pszFormat, va_list args)
1553	{
1554	PDMUSB_ASSERT_USBINS(pUsbIns);
1555	#ifdef LOG_ENABLED
1556	va_list va2;
1557	va_copy(va2, args);
1558	LogFlow(("pdmR3UsbHlp_DBGFStopV: caller='%s'/%d: pszFile=%p:{%s} iLine=%d pszFunction=%p:{%s} pszFormat=%p:{%s} (%N)\n",
1559	pUsbIns->pReg->szName, pUsbIns->iInstance, pszFile, pszFile, iLine, pszFunction, pszFunction, pszFormat, pszFormat, pszFormat, &va2));
1560	va_end(va2);
1561	#endif
1562
1563	PVM pVM = pUsbIns->Internal.s.pVM;
1564	VM_ASSERT_EMT(pVM);
1565	int rc = DBGFR3EventSrcV(pVM, DBGFEVENT_DEV_STOP, pszFile, iLine, pszFunction, pszFormat, args);
1566	if (rc == VERR_DBGF_NOT_ATTACHED)
1567	rc = VINF_SUCCESS;
1568
1569	LogFlow(("pdmR3UsbHlp_DBGFStopV: caller='%s'/%d: returns %Rrc\n", pUsbIns->pReg->szName, pUsbIns->iInstance, rc));
1570	return rc;
1571	}
1572
1573
1574	/** @interface_method_impl{PDMUSBHLP,pfnDBGFInfoRegister} */
1575	static DECLCALLBACK(int) pdmR3UsbHlp_DBGFInfoRegister(PPDMUSBINS pUsbIns, const char pszName, const char pszDesc, PFNDBGFHANDLERUSB pfnHandler)
1576	{
1577	PDMUSB_ASSERT_USBINS(pUsbIns);
1578	LogFlow(("pdmR3UsbHlp_DBGFInfoRegister: caller='%s'/%d: pszName=%p:{%s} pszDesc=%p:{%s} pfnHandler=%p\n",
1579	pUsbIns->pReg->szName, pUsbIns->iInstance, pszName, pszName, pszDesc, pszDesc, pfnHandler));
1580
1581	PVM pVM = pUsbIns->Internal.s.pVM;
1582	VM_ASSERT_EMT(pVM);
1583	NOREF(pVM); /** @todo int rc = DBGFR3InfoRegisterUsb(pVM, pszName, pszDesc, pfnHandler, pUsbIns); */
1584	int rc = VERR_NOT_IMPLEMENTED; AssertFailed();
1585
1586	LogFlow(("pdmR3UsbHlp_DBGFInfoRegister: caller='%s'/%d: returns %Rrc\n", pUsbIns->pReg->szName, pUsbIns->iInstance, rc));
1587	return rc;
1588	}
1589
1590
1591	/** @interface_method_impl{PDMUSBHLP,pfnMMHeapAlloc} */
1592	static DECLCALLBACK(void *) pdmR3UsbHlp_MMHeapAlloc(PPDMUSBINS pUsbIns, size_t cb)
1593	{
1594	PDMUSB_ASSERT_USBINS(pUsbIns);
1595	LogFlow(("pdmR3UsbHlp_MMHeapAlloc: caller='%s'/%d: cb=%#x\n", pUsbIns->pReg->szName, pUsbIns->iInstance, cb));
1596
1597	void *pv = MMR3HeapAlloc(pUsbIns->Internal.s.pVM, MM_TAG_PDM_USB_USER, cb);
1598
1599	LogFlow(("pdmR3UsbHlp_MMHeapAlloc: caller='%s'/%d: returns %p\n", pUsbIns->pReg->szName, pUsbIns->iInstance, pv));
1600	return pv;
1601	}
1602
1603
1604	/** @interface_method_impl{PDMUSBHLP,pfnMMHeapAllocZ} */
1605	static DECLCALLBACK(void *) pdmR3UsbHlp_MMHeapAllocZ(PPDMUSBINS pUsbIns, size_t cb)
1606	{
1607	PDMUSB_ASSERT_USBINS(pUsbIns);
1608	LogFlow(("pdmR3UsbHlp_MMHeapAllocZ: caller='%s'/%d: cb=%#x\n", pUsbIns->pReg->szName, pUsbIns->iInstance, cb));
1609
1610	void *pv = MMR3HeapAllocZ(pUsbIns->Internal.s.pVM, MM_TAG_PDM_USB_USER, cb);
1611
1612	LogFlow(("pdmR3UsbHlp_MMHeapAllocZ: caller='%s'/%d: returns %p\n", pUsbIns->pReg->szName, pUsbIns->iInstance, pv));
1613	return pv;
1614	}
1615
1616
1617	/** @interface_method_impl{PDMUSBHLP,pfnPDMQueueCreate} */
1618	static DECLCALLBACK(int) pdmR3UsbHlp_PDMQueueCreate(PPDMUSBINS pUsbIns, RTUINT cbItem, RTUINT cItems, uint32_t cMilliesInterval,
1619	PFNPDMQUEUEUSB pfnCallback, const char pszName, PPDMQUEUE ppQueue)
1620	{
1621	PDMUSB_ASSERT_USBINS(pUsbIns);
1622	LogFlow(("pdmR3UsbHlp_PDMQueueCreate: caller='%s'/%d: cbItem=%#x cItems=%#x cMilliesInterval=%u pfnCallback=%p pszName=%p:{%s} ppQueue=%p\n",
1623	pUsbIns->pReg->szName, pUsbIns->iInstance, cbItem, cItems, cMilliesInterval, pfnCallback, pszName, pszName, ppQueue));
1624
1625	PVM pVM = pUsbIns->Internal.s.pVM;
1626	VM_ASSERT_EMT(pVM);
1627
1628	if (pUsbIns->iInstance > 0)
1629	{
1630	pszName = MMR3HeapAPrintf(pVM, MM_TAG_PDM_DEVICE_DESC, "%s_%u", pszName, pUsbIns->iInstance);
1631	AssertLogRelReturn(pszName, VERR_NO_MEMORY);
1632	}
1633
1634	/** @todo int rc = PDMR3QueueCreateUsb(pVM, pUsbIns, cbItem, cItems, cMilliesInterval, pfnCallback, fGCEnabled, pszName, ppQueue); */
1635	int rc = VERR_NOT_IMPLEMENTED; AssertFailed();
1636
1637	LogFlow(("pdmR3UsbHlp_PDMQueueCreate: caller='%s'/%d: returns %Rrc ppQueue=%p\n", pUsbIns->pReg->szName, pUsbIns->iInstance, rc, ppQueue));
1638	return rc;
1639	}
1640
1641
1642	/** @interface_method_impl{PDMUSBHLP,pfnSSMRegister} */
1643	static DECLCALLBACK(int) pdmR3UsbHlp_SSMRegister(PPDMUSBINS pUsbIns, uint32_t uVersion, size_t cbGuess,
1644	PFNSSMUSBLIVEPREP pfnLivePrep, PFNSSMUSBLIVEEXEC pfnLiveExec, PFNSSMUSBLIVEVOTE pfnLiveVote,
1645	PFNSSMUSBSAVEPREP pfnSavePrep, PFNSSMUSBSAVEEXEC pfnSaveExec, PFNSSMUSBSAVEDONE pfnSaveDone,
1646	PFNSSMUSBLOADPREP pfnLoadPrep, PFNSSMUSBLOADEXEC pfnLoadExec, PFNSSMUSBLOADDONE pfnLoadDone)
1647	{
1648	PDMUSB_ASSERT_USBINS(pUsbIns);
1649	VM_ASSERT_EMT(pUsbIns->Internal.s.pVM);
1650	LogFlow(("pdmR3UsbHlp_SSMRegister: caller='%s'/%d: uVersion=#x cbGuess=%#x\n"
1651	" pfnLivePrep=%p pfnLiveExec=%p pfnLiveVote=%p pfnSavePrep=%p pfnSaveExec=%p pfnSaveDone=%p pszLoadPrep=%p pfnLoadExec=%p pfnLoadDone=%p\n",
1652	pUsbIns->pReg->szName, pUsbIns->iInstance, uVersion, cbGuess,
1653	pfnLivePrep, pfnLiveExec, pfnLiveVote,
1654	pfnSavePrep, pfnSaveExec, pfnSaveDone,
1655	pfnLoadPrep, pfnLoadExec, pfnLoadDone));
1656
1657	int rc = SSMR3RegisterUsb(pUsbIns->Internal.s.pVM, pUsbIns, pUsbIns->pReg->szName, pUsbIns->iInstance,
1658	uVersion, cbGuess,
1659	pfnLivePrep, pfnLiveExec, pfnLiveVote,
1660	pfnSavePrep, pfnSaveExec, pfnSaveDone,
1661	pfnLoadPrep, pfnLoadExec, pfnLoadDone);
1662
1663	LogFlow(("pdmR3UsbHlp_SSMRegister: caller='%s'/%d: returns %Rrc\n", pUsbIns->pReg->szName, pUsbIns->iInstance, rc));
1664	return rc;
1665	}
1666
1667
1668	/** @interface_method_impl{PDMUSBHLP,pfnSTAMRegisterV} */
1669	static DECLCALLBACK(void) pdmR3UsbHlp_STAMRegisterV(PPDMUSBINS pUsbIns, void *pvSample, STAMTYPE enmType, STAMVISIBILITY enmVisibility,
1670	STAMUNIT enmUnit, const char pszDesc, const char pszName, va_list args)
1671	{
1672	PDMUSB_ASSERT_USBINS(pUsbIns);
1673	PVM pVM = pUsbIns->Internal.s.pVM;
1674	VM_ASSERT_EMT(pVM);
1675
1676	int rc = STAMR3RegisterV(pVM, pvSample, enmType, enmVisibility, enmUnit, pszDesc, pszName, args);
1677	AssertRC(rc);
1678
1679	NOREF(pVM);
1680	}
1681
1682
1683	/** @interface_method_impl{PDMUSBHLP,pfnTMTimerCreate} */
1684	static DECLCALLBACK(int) pdmR3UsbHlp_TMTimerCreate(PPDMUSBINS pUsbIns, TMCLOCK enmClock, PFNTMTIMERUSB pfnCallback, void *pvUser,
1685	uint32_t fFlags, const char *pszDesc, PPTMTIMERR3 ppTimer)
1686	{
1687	PDMUSB_ASSERT_USBINS(pUsbIns);
1688	PVM pVM = pUsbIns->Internal.s.pVM;
1689	VM_ASSERT_EMT(pVM);
1690	LogFlow(("pdmR3UsbHlp_TMTimerCreate: caller='%s'/%d: enmClock=%d pfnCallback=%p pvUser=%p fFlags=%#x pszDesc=%p:{%s} ppTimer=%p\n",
1691	pUsbIns->pReg->szName, pUsbIns->iInstance, enmClock, pfnCallback, pvUser, fFlags, pszDesc, pszDesc, ppTimer));
1692
1693	if (pUsbIns->iInstance > 0) /** @todo use a string cache here later. */
1694	{
1695	char *pszDesc2 = MMR3HeapAPrintf(pVM, MM_TAG_PDM_USB_DESC, "%s [%u]", pszDesc, pUsbIns->iInstance);
1696	if (pszDesc2)
1697	pszDesc = pszDesc2;
1698	}
1699
1700	int rc = TMR3TimerCreateUsb(pVM, pUsbIns, enmClock, pfnCallback, pvUser, fFlags, pszDesc, ppTimer);
1701
1702	LogFlow(("pdmR3UsbHlp_TMTimerCreate: caller='%s'/%d: returns %Rrc\n", pUsbIns->pReg->szName, pUsbIns->iInstance, rc));
1703	return rc;
1704	}
1705
1706
1707	/** @interface_method_impl{PDMUSBHLP,pfnVMSetErrorV} */
1708	static DECLCALLBACK(int) pdmR3UsbHlp_VMSetErrorV(PPDMUSBINS pUsbIns, int rc, RT_SRC_POS_DECL, const char *pszFormat, va_list va)
1709	{
1710	PDMUSB_ASSERT_USBINS(pUsbIns);
1711	int rc2 = VMSetErrorV(pUsbIns->Internal.s.pVM, rc, RT_SRC_POS_ARGS, pszFormat, va); Assert(rc2 == rc); NOREF(rc2);
1712	return rc;
1713	}
1714
1715
1716	/** @interface_method_impl{PDMUSBHLP,pfnVMSetRuntimeErrorV} */
1717	static DECLCALLBACK(int) pdmR3UsbHlp_VMSetRuntimeErrorV(PPDMUSBINS pUsbIns, uint32_t fFlags, const char pszErrorId, const char pszFormat, va_list va)
1718	{
1719	PDMUSB_ASSERT_USBINS(pUsbIns);
1720	int rc = VMSetRuntimeErrorV(pUsbIns->Internal.s.pVM, fFlags, pszErrorId, pszFormat, va);
1721	return rc;
1722	}
1723
1724
1725	/** @interface_method_impl{PDMUSBHLP,pfnVMState} */
1726	static DECLCALLBACK(VMSTATE) pdmR3UsbHlp_VMState(PPDMUSBINS pUsbIns)
1727	{
1728	PDMUSB_ASSERT_USBINS(pUsbIns);
1729
1730	VMSTATE enmVMState = VMR3GetState(pUsbIns->Internal.s.pVM);
1731
1732	LogFlow(("pdmR3UsbHlp_VMState: caller='%s'/%d: returns %d (%s)\n", pUsbIns->pReg->szName, pUsbIns->iInstance,
1733	enmVMState, VMR3GetStateName(enmVMState)));
1734	return enmVMState;
1735	}
1736
1737	/** @interface_method_impl{PDMUSBHLP,pfnThreadCreate} */
1738	static DECLCALLBACK(int) pdmR3UsbHlp_ThreadCreate(PPDMUSBINS pUsbIns, PPPDMTHREAD ppThread, void *pvUser, PFNPDMTHREADUSB pfnThread,
1739	PFNPDMTHREADWAKEUPUSB pfnWakeup, size_t cbStack, RTTHREADTYPE enmType, const char *pszName)
1740	{
1741	PDMUSB_ASSERT_USBINS(pUsbIns);
1742	VM_ASSERT_EMT(pUsbIns->Internal.s.pVM);
1743	LogFlow(("pdmR3UsbHlp_ThreadCreate: caller='%s'/%d: ppThread=%p pvUser=%p pfnThread=%p pfnWakeup=%p cbStack=%#zx enmType=%d pszName=%p:{%s}\n",
1744	pUsbIns->pReg->szName, pUsbIns->iInstance, ppThread, pvUser, pfnThread, pfnWakeup, cbStack, enmType, pszName, pszName));
1745
1746	int rc = pdmR3ThreadCreateUsb(pUsbIns->Internal.s.pVM, pUsbIns, ppThread, pvUser, pfnThread, pfnWakeup, cbStack, enmType, pszName);
1747
1748	LogFlow(("pdmR3UsbHlp_ThreadCreate: caller='%s'/%d: returns %Rrc *ppThread=%RTthrd\n", pUsbIns->pReg->szName, pUsbIns->iInstance,
1749	rc, *ppThread));
1750	return rc;
1751	}
1752
1753
1754	/** @interface_method_impl{PDMUSBHLP,pfnSetAsyncNotification} */
1755	static DECLCALLBACK(int) pdmR3UsbHlp_SetAsyncNotification(PPDMUSBINS pUsbIns, PFNPDMUSBASYNCNOTIFY pfnAsyncNotify)
1756	{
1757	PDMUSB_ASSERT_USBINS(pUsbIns);
1758	VM_ASSERT_EMT0(pUsbIns->Internal.s.pVM);
1759	LogFlow(("pdmR3UsbHlp_SetAsyncNotification: caller='%s'/%d: pfnAsyncNotify=%p\n", pUsbIns->pReg->szName, pUsbIns->iInstance, pfnAsyncNotify));
1760
1761	int rc = VINF_SUCCESS;
1762	AssertStmt(pfnAsyncNotify, rc = VERR_INVALID_PARAMETER);
1763	AssertStmt(!pUsbIns->Internal.s.pfnAsyncNotify, rc = VERR_WRONG_ORDER);
1764	AssertStmt(pUsbIns->Internal.s.fVMSuspended \|\| pUsbIns->Internal.s.fVMReset, rc = VERR_WRONG_ORDER);
1765	VMSTATE enmVMState = VMR3GetState(pUsbIns->Internal.s.pVM);
1766	AssertStmt( enmVMState == VMSTATE_SUSPENDING
1767	\|\| enmVMState == VMSTATE_SUSPENDING_EXT_LS
1768	\|\| enmVMState == VMSTATE_SUSPENDING_LS
1769	\|\| enmVMState == VMSTATE_RESETTING
1770	\|\| enmVMState == VMSTATE_RESETTING_LS
1771	\|\| enmVMState == VMSTATE_POWERING_OFF
1772	\|\| enmVMState == VMSTATE_POWERING_OFF_LS,
1773	rc = VERR_INVALID_STATE);
1774
1775	if (RT_SUCCESS(rc))
1776	pUsbIns->Internal.s.pfnAsyncNotify = pfnAsyncNotify;
1777
1778	LogFlow(("pdmR3UsbHlp_SetAsyncNotification: caller='%s'/%d: returns %Rrc\n", pUsbIns->pReg->szName, pUsbIns->iInstance, rc));
1779	return rc;
1780	}
1781
1782
1783	/** @interface_method_impl{PDMUSBHLP,pfnAsyncNotificationCompleted} */
1784	static DECLCALLBACK(void) pdmR3UsbHlp_AsyncNotificationCompleted(PPDMUSBINS pUsbIns)
1785	{
1786	PDMUSB_ASSERT_USBINS(pUsbIns);
1787	PVM pVM = pUsbIns->Internal.s.pVM;
1788
1789	VMSTATE enmVMState = VMR3GetState(pVM);
1790	if ( enmVMState == VMSTATE_SUSPENDING
1791	\|\| enmVMState == VMSTATE_SUSPENDING_EXT_LS
1792	\|\| enmVMState == VMSTATE_SUSPENDING_LS
1793	\|\| enmVMState == VMSTATE_RESETTING
1794	\|\| enmVMState == VMSTATE_RESETTING_LS
1795	\|\| enmVMState == VMSTATE_POWERING_OFF
1796	\|\| enmVMState == VMSTATE_POWERING_OFF_LS)
1797	{
1798	LogFlow(("pdmR3UsbHlp_AsyncNotificationCompleted: caller='%s'/%d:\n", pUsbIns->pReg->szName, pUsbIns->iInstance));
1799	VMR3AsyncPdmNotificationWakeupU(pVM->pUVM);
1800	}
1801	else
1802	LogFlow(("pdmR3UsbHlp_AsyncNotificationCompleted: caller='%s'/%d: enmVMState=%d\n", pUsbIns->pReg->szName, pUsbIns->iInstance, enmVMState));
1803	}
1804
1805
1806	/** @interface_method_impl{PDMUSBHLP,pfnVMGetSuspendReason} */
1807	static DECLCALLBACK(VMSUSPENDREASON) pdmR3UsbHlp_VMGetSuspendReason(PPDMUSBINS pUsbIns)
1808	{
1809	PDMUSB_ASSERT_USBINS(pUsbIns);
1810	PVM pVM = pUsbIns->Internal.s.pVM;
1811	VM_ASSERT_EMT(pVM);
1812	VMSUSPENDREASON enmReason = VMR3GetSuspendReason(pVM->pUVM);
1813	LogFlow(("pdmR3UsbHlp_VMGetSuspendReason: caller='%s'/%d: returns %d\n",
1814	pUsbIns->pReg->szName, pUsbIns->iInstance, enmReason));
1815	return enmReason;
1816	}
1817
1818
1819	/** @interface_method_impl{PDMUSBHLP,pfnVMGetResumeReason} */
1820	static DECLCALLBACK(VMRESUMEREASON) pdmR3UsbHlp_VMGetResumeReason(PPDMUSBINS pUsbIns)
1821	{
1822	PDMUSB_ASSERT_USBINS(pUsbIns);
1823	PVM pVM = pUsbIns->Internal.s.pVM;
1824	VM_ASSERT_EMT(pVM);
1825	VMRESUMEREASON enmReason = VMR3GetResumeReason(pVM->pUVM);
1826	LogFlow(("pdmR3UsbHlp_VMGetResumeReason: caller='%s'/%d: returns %d\n",
1827	pUsbIns->pReg->szName, pUsbIns->iInstance, enmReason));
1828	return enmReason;
1829	}
1830
1831
1832	/**
1833	* The USB device helper structure.
1834	*/
1835	const PDMUSBHLP g_pdmR3UsbHlp =
1836	{
1837	PDM_USBHLP_VERSION,
1838	pdmR3UsbHlp_DriverAttach,
1839	pdmR3UsbHlp_AssertEMT,
1840	pdmR3UsbHlp_AssertOther,
1841	pdmR3UsbHlp_DBGFStopV,
1842	pdmR3UsbHlp_DBGFInfoRegister,
1843	pdmR3UsbHlp_MMHeapAlloc,
1844	pdmR3UsbHlp_MMHeapAllocZ,
1845	pdmR3UsbHlp_PDMQueueCreate,
1846	pdmR3UsbHlp_SSMRegister,
1847	pdmR3UsbHlp_STAMRegisterV,
1848	pdmR3UsbHlp_TMTimerCreate,
1849	pdmR3UsbHlp_VMSetErrorV,
1850	pdmR3UsbHlp_VMSetRuntimeErrorV,
1851	pdmR3UsbHlp_VMState,
1852	pdmR3UsbHlp_ThreadCreate,
1853	pdmR3UsbHlp_SetAsyncNotification,
1854	pdmR3UsbHlp_AsyncNotificationCompleted,
1855	pdmR3UsbHlp_VMGetSuspendReason,
1856	pdmR3UsbHlp_VMGetResumeReason,
1857	NULL,
1858	NULL,
1859	NULL,
1860	NULL,
1861	NULL,
1862	NULL,
1863	NULL,
1864	NULL,
1865	NULL,
1866	NULL,
1867	PDM_USBHLP_VERSION
1868	};
1869
1870	/** @} */

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source: vbox/trunk/src/VBox/VMM/VMMR3/PDMUsb.cpp@ 51290

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