VirtualBox

source: vbox/trunk/src/VBox/Devices/USB/DrvVUSBRootHub.cpp@ 61541

Last change on this file since 61541 was 60514, checked in by vboxsync, 9 years ago

VUSB: When aborting EPs, ignore direction for EP0.
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1/* $Id: DrvVUSBRootHub.cpp 60514 2016-04-15 10:01:30Z vboxsync $ */
2/** @file
3 * Virtual USB - Root Hub Driver.
4 */
5
6/*
7 * Copyright (C) 2005-2015 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/** @page pg_dev_vusb VUSB - Virtual USB
20 *
21 * @todo read thru this and correct typos. Merge with old docs.
22 *
23 *
24 * The Virtual USB component glues USB devices and host controllers together.
25 * The VUSB takes the form of a PDM driver which is attached to the HCI. USB
26 * devices are created by, attached to, and managed by the VUSB roothub. The
27 * VUSB also exposes an interface which is used by Main to attach and detach
28 * proxied USB devices.
29 *
30 *
31 * @section sec_dev_vusb_urb The Life of an URB
32 *
33 * The URB is created when the HCI calls the roothub (VUSB) method pfnNewUrb.
34 * VUSB has a pool of URBs, if no free URBs are available a new one is
35 * allocated. The returned URB starts life in the ALLOCATED state and all
36 * fields are initialized with sensible defaults.
37 *
38 * The HCI then copies any request data into the URB if it's an host2dev
39 * transfer. It then submits the URB by calling the pfnSubmitUrb roothub
40 * method.
41 *
42 * pfnSubmitUrb will start by checking if it knows the device address, and if
43 * it doesn't the URB is completed with a device-not-ready error. When the
44 * device address is known to it, action is taken based on the kind of
45 * transfer it is. There are four kinds of transfers: 1. control, 2. bulk,
46 * 3. interrupt, and 4. isochronous. In either case something eventually ends
47 * up being submitted to the device.
48 *
49 *
50 * If an URB fails submitting, may or may not be completed. This depends on
51 * heuristics in some cases and on the kind of failure in others. If
52 * pfnSubmitUrb returns a failure, the HCI should retry submitting it at a
53 * later time. If pfnSubmitUrb returns success the URB is submitted, and it
54 * can even been completed.
55 *
56 * The URB is in the IN_FLIGHT state from the time it's successfully submitted
57 * and till it's reaped or cancelled.
58 *
59 * When an URB transfer or in some case submit failure occurs, the pfnXferError
60 * callback of the HCI is consulted about what to do. If pfnXferError indicates
61 * that the URB should be retried, pfnSubmitUrb will fail. If it indicates that
62 * it should fail, the URB will be completed.
63 *
64 * Completing an URB means that the URB status is set and the HCI
65 * pfnXferCompletion callback is invoked with the URB. The HCI is the supposed
66 * to report the transfer status to the guest OS. After completion the URB
67 * is freed and returned to the pool, unless it was cancelled. If it was
68 * cancelled it will have to await reaping before it's actually freed.
69 *
70 *
71 * @subsection subsec_dev_vusb_urb_ctrl Control
72 *
73 * The control transfer is the most complex one, from VUSB's point of view,
74 * with its three stages and being bi-directional. A control transfer starts
75 * with a SETUP packet containing the request description and two basic
76 * parameters. It is followed by zero or more DATA packets which either picks
77 * up incoming data (dev2host) or supplies the request data (host2dev). This
78 * can then be followed by a STATUS packet which gets the status of the whole
79 * transfer.
80 *
81 * What makes the control transfer complicated is that for a host2dev request
82 * the URB is assembled from the SETUP and DATA stage, and for a dev2host
83 * request the returned data must be kept around for the DATA stage. For both
84 * transfer directions the status of the transfer has to be kept around for
85 * the STATUS stage.
86 *
87 * To complicate matters further, VUSB must intercept and in some cases emulate
88 * some of the standard requests in order to keep the virtual device state
89 * correct and provide the correct virtualization of a device.
90 *
91 * @subsection subsec_dev_vusb_urb_bulk Bulk and Interrupt
92 *
93 * The bulk and interrupt transfer types are relativly simple compared to the
94 * control transfer. VUSB is not inspecting the request content or anything,
95 * but passes it down the device.
96 *
97 * @subsection subsec_dev_vusb_urb_bulk Isochronous
98 *
99 * This kind of transfers hasn't yet been implemented.
100 *
101 */
102
103
104/** @page pg_dev_vusb_old VUSB - Virtual USB Core
105 *
106 * The virtual USB core is controlled by the roothub and the underlying HCI
107 * emulator, it is responsible for device addressing, managing configurations,
108 * interfaces and endpoints, assembling and splitting multi-part control
109 * messages and in general acts as a middle layer between the USB device
110 * emulation code and USB HCI emulation code.
111 *
112 * All USB devices are represented by a struct vusb_dev. This structure
113 * contains things like the device state, device address, all the configuration
114 * descriptors, the currently selected configuration and a mapping between
115 * endpoint addresses and endpoint descriptors.
116 *
117 * Each vusb_dev also has a pointer to a vusb_dev_ops structure which serves as
118 * the virtual method table and includes a virtual constructor and destructor.
119 * After a vusb_dev is created it may be attached to a hub device such as a
120 * roothub (using vusbHubAttach). Although each hub structure has cPorts
121 * and cDevices fields, it is the responsibility of the hub device to allocate
122 * a free port for the new device.
123 *
124 * Devices can chose one of two interfaces for dealing with requests, the
125 * synchronous interface or the asynchronous interface. The synchronous
126 * interface is much simpler and ought to be used for devices which are
127 * unlikely to sleep for long periods in order to serve requests. The
128 * asynchronous interface on the other hand is more difficult to use but is
129 * useful for the USB proxy or if one were to write a mass storage device
130 * emulator. Currently the synchronous interface only supports control and bulk
131 * endpoints and is no longer used by anything.
132 *
133 * In order to use the asynchronous interface, the queue_urb, cancel_urb and
134 * pfnUrbReap fields must be set in the devices vusb_dev_ops structure. The
135 * queue_urb method is used to submit a request to a device without blocking,
136 * it returns 1 if successful and 0 on any kind of failure. A successfully
137 * queued URB is completed when the pfnUrbReap method returns it. Each function
138 * address is reference counted so that pfnUrbReap will only be called if there
139 * are URBs outstanding. For a roothub to reap an URB from any one of it's
140 * devices, the vusbRhReapAsyncUrbs() function is used.
141 *
142 * There are four types of messages an URB may contain:
143 * -# Control - represents a single packet of a multi-packet control
144 * transfer, these are only really used by the host controller to
145 * submit the parts to the usb core.
146 * -# Message - the usb core assembles multiple control transfers in
147 * to single message transfers. In this case the data buffer
148 * contains the setup packet in little endian followed by the full
149 * buffer. In the case of an host-to-device control message, the
150 * message packet is created when the STATUS transfer is seen. In
151 * the case of device-to-host messages, the message packet is
152 * created after the SETUP transfer is seen. Also, certain control
153 * requests never go the real device and get handled synchronously.
154 * -# Bulk - Currently the only endpoint type that does error checking
155 * and endpoint halting.
156 * -# Interrupt - The only non-periodic type supported.
157 *
158 * Hubs are special cases of devices, they have a number of downstream ports
159 * that other devices can be attached to and removed from.
160 *
161 * After a device has been attached (vusbHubAttach):
162 * -# The hub attach method is called, which sends a hub status
163 * change message to the OS.
164 * -# The OS resets the device, and it appears on the default
165 * address with it's config 0 selected (a pseudo-config that
166 * contains only 1 interface with 1 endpoint - the default
167 * message pipe).
168 * -# The OS assigns the device a new address and selects an
169 * appropriate config.
170 * -# The device is ready.
171 *
172 * After a device has been detached (vusbDevDetach):
173 * -# All pending URBs are cancelled.
174 * -# The devices address is unassigned.
175 * -# The hub detach method is called which signals the OS
176 * of the status change.
177 * -# The OS unlinks the ED's for that device.
178 *
179 * A device can also request detachment from within its own methods by
180 * calling vusbDevUnplugged().
181 *
182 * Roothubs are responsible for driving the whole system, they are special
183 * cases of hubs and as such implement attach and detach methods, each one
184 * is described by a struct vusb_roothub. Once a roothub has submitted an
185 * URB to the USB core, a number of callbacks to the roothub are required
186 * for when the URB completes, since the roothub typically wants to inform
187 * the OS when transfers are completed.
188 *
189 * There are four callbacks to be concerned with:
190 * -# prepare - This is called after the URB is successfully queued.
191 * -# completion - This is called after the URB completed.
192 * -# error - This is called if the URB errored, some systems have
193 * automatic resubmission of failed requests, so this callback
194 * should keep track of the error count and return 1 if the count
195 * is above the number of allowed resubmissions.
196 * -# halt_ep - This is called after errors on bulk pipes in order
197 * to halt the pipe.
198 *
199 */
200
201
202/*********************************************************************************************************************************
203* Header Files *
204*********************************************************************************************************************************/
205#define LOG_GROUP LOG_GROUP_DRV_VUSB
206#include <VBox/vmm/pdm.h>
207#include <VBox/vmm/vmapi.h>
208#include <VBox/err.h>
209#include <iprt/alloc.h>
210#include <VBox/log.h>
211#include <iprt/time.h>
212#include <iprt/thread.h>
213#include <iprt/semaphore.h>
214#include <iprt/string.h>
215#include <iprt/assert.h>
216#include <iprt/asm.h>
217#include <iprt/uuid.h>
218#include "VUSBInternal.h"
219#include "VBoxDD.h"
220
221
222
223/**
224 * Attaches a device to a specific hub.
225 *
226 * This function is called by the vusb_add_device() and vusbRhAttachDevice().
227 *
228 * @returns VBox status code.
229 * @param pHub The hub to attach it to.
230 * @param pDev The device to attach.
231 * @thread EMT
232 */
233static int vusbHubAttach(PVUSBHUB pHub, PVUSBDEV pDev)
234{
235 LogFlow(("vusbHubAttach: pHub=%p[%s] pDev=%p[%s]\n", pHub, pHub->pszName, pDev, pDev->pUsbIns->pszName));
236 AssertMsg(pDev->enmState == VUSB_DEVICE_STATE_DETACHED, ("enmState=%d\n", pDev->enmState));
237
238 pDev->pHub = pHub;
239 pDev->enmState = VUSB_DEVICE_STATE_ATTACHED;
240
241 /* noone else ever messes with the default pipe while we are attached */
242 vusbDevMapEndpoint(pDev, &g_Endpoint0);
243 vusbDevDoSelectConfig(pDev, &g_Config0);
244
245 int rc = pHub->pOps->pfnAttach(pHub, pDev);
246 if (RT_FAILURE(rc))
247 {
248 pDev->pHub = NULL;
249 pDev->enmState = VUSB_DEVICE_STATE_DETACHED;
250 }
251 return rc;
252}
253
254
255/* -=-=-=-=-=- PDMUSBHUBREG methods -=-=-=-=-=- */
256
257/** @copydoc PDMUSBHUBREG::pfnAttachDevice */
258static DECLCALLBACK(int) vusbPDMHubAttachDevice(PPDMDRVINS pDrvIns, PPDMUSBINS pUsbIns, const char *pszCaptureFilename, uint32_t *piPort)
259{
260 PVUSBROOTHUB pThis = PDMINS_2_DATA(pDrvIns, PVUSBROOTHUB);
261
262 /*
263 * Allocate a new VUSB device and initialize it.
264 */
265 PVUSBDEV pDev = (PVUSBDEV)RTMemAllocZ(sizeof(*pDev));
266 AssertReturn(pDev, VERR_NO_MEMORY);
267 int rc = vusbDevInit(pDev, pUsbIns, pszCaptureFilename);
268 if (RT_SUCCESS(rc))
269 {
270 pUsbIns->pvVUsbDev2 = pDev;
271 rc = vusbHubAttach(&pThis->Hub, pDev);
272 if (RT_SUCCESS(rc))
273 {
274 *piPort = UINT32_MAX; ///@todo implement piPort
275 return rc;
276 }
277
278 RTMemFree(pDev->paIfStates);
279 pUsbIns->pvVUsbDev2 = NULL;
280 }
281 vusbDevDestroy(pDev);
282 RTMemFree(pDev);
283 return rc;
284}
285
286
287/** @copydoc PDMUSBHUBREG::pfnDetachDevice */
288static DECLCALLBACK(int) vusbPDMHubDetachDevice(PPDMDRVINS pDrvIns, PPDMUSBINS pUsbIns, uint32_t iPort)
289{
290 PVUSBDEV pDev = (PVUSBDEV)pUsbIns->pvVUsbDev2;
291 Assert(pDev);
292 vusbDevDestroy(pDev);
293 RTMemFree(pDev);
294 pUsbIns->pvVUsbDev2 = NULL;
295 return VINF_SUCCESS;
296}
297
298/**
299 * The hub registration structure.
300 */
301static const PDMUSBHUBREG g_vusbHubReg =
302{
303 PDM_USBHUBREG_VERSION,
304 vusbPDMHubAttachDevice,
305 vusbPDMHubDetachDevice,
306 PDM_USBHUBREG_VERSION
307};
308
309
310/* -=-=-=-=-=- VUSBIROOTHUBCONNECTOR methods -=-=-=-=-=- */
311
312
313/**
314 * Finds an device attached to a roothub by it's address.
315 *
316 * @returns Pointer to the device.
317 * @returns NULL if not found.
318 * @param pRh Pointer to the root hub.
319 * @param Address The device address.
320 */
321static PVUSBDEV vusbRhFindDevByAddress(PVUSBROOTHUB pRh, uint8_t Address)
322{
323 unsigned iHash = vusbHashAddress(Address);
324 for (PVUSBDEV pDev = pRh->apAddrHash[iHash]; pDev; pDev = pDev->pNextHash)
325 if (pDev->u8Address == Address)
326 return pDev;
327 return NULL;
328}
329
330
331/**
332 * Callback for freeing an URB.
333 * @param pUrb The URB to free.
334 */
335static DECLCALLBACK(void) vusbRhFreeUrb(PVUSBURB pUrb)
336{
337 /*
338 * Assert sanity.
339 */
340 vusbUrbAssert(pUrb);
341 PVUSBROOTHUB pRh = (PVUSBROOTHUB)pUrb->pVUsb->pvFreeCtx;
342 Assert(pRh);
343
344 /*
345 * Free the URB description (logging builds only).
346 */
347 if (pUrb->pszDesc)
348 {
349 RTStrFree(pUrb->pszDesc);
350 pUrb->pszDesc = NULL;
351 }
352
353 /* The URB comes from the roothub if there is no device (invalid address). */
354 if (pUrb->pVUsb->pDev)
355 vusbUrbPoolFree(&pUrb->pVUsb->pDev->UrbPool, pUrb);
356 else
357 vusbUrbPoolFree(&pRh->Hub.Dev.UrbPool, pUrb);
358}
359
360
361/**
362 * Worker routine for vusbRhConnNewUrb().
363 */
364static PVUSBURB vusbRhNewUrb(PVUSBROOTHUB pRh, uint8_t DstAddress, PVUSBDEV pDev, VUSBXFERTYPE enmType,
365 VUSBDIRECTION enmDir, uint32_t cbData, uint32_t cTds, const char *pszTag)
366{
367 PVUSBURBPOOL pUrbPool = &pRh->Hub.Dev.UrbPool;
368
369 if (!pDev)
370 pDev = vusbRhFindDevByAddress(pRh, DstAddress);
371
372 if (pDev)
373 pUrbPool = &pDev->UrbPool;
374
375 PVUSBURB pUrb = vusbUrbPoolAlloc(pUrbPool, enmType, enmDir, cbData,
376 pRh->cbHci, pRh->cbHciTd, cTds);
377 if (RT_LIKELY(pUrb))
378 {
379 pUrb->pVUsb->pvFreeCtx = pRh;
380 pUrb->pVUsb->pfnFree = vusbRhFreeUrb;
381 pUrb->DstAddress = DstAddress;
382 pUrb->pVUsb->pDev = pDev;
383
384#ifdef LOG_ENABLED
385 const char *pszType = NULL;
386
387 switch(pUrb->enmType)
388 {
389 case VUSBXFERTYPE_CTRL:
390 pszType = "ctrl";
391 break;
392 case VUSBXFERTYPE_INTR:
393 pszType = "intr";
394 break;
395 case VUSBXFERTYPE_BULK:
396 pszType = "bulk";
397 break;
398 case VUSBXFERTYPE_ISOC:
399 pszType = "isoc";
400 break;
401 default:
402 pszType = "invld";
403 break;
404 }
405
406 pRh->iSerial = (pRh->iSerial + 1) % 10000;
407 RTStrAPrintf(&pUrb->pszDesc, "URB %p %s%c%04d (%s)", pUrb, pszType,
408 (pUrb->enmDir == VUSBDIRECTION_IN) ? '<' : ((pUrb->enmDir == VUSBDIRECTION_SETUP) ? 's' : '>'),
409 pRh->iSerial, pszTag ? pszTag : "<none>");
410#endif
411 }
412
413 return pUrb;
414}
415
416
417/**
418 * Calculate frame timer variables given a frame rate.
419 */
420static void vusbRhR3CalcTimerIntervals(PVUSBROOTHUB pThis, uint32_t u32FrameRate)
421{
422 pThis->nsWait = RT_NS_1SEC / u32FrameRate;
423 pThis->uFrameRate = u32FrameRate;
424 /* Inform the HCD about the new frame rate. */
425 pThis->pIRhPort->pfnFrameRateChanged(pThis->pIRhPort, u32FrameRate);
426}
427
428
429/**
430 * Calculates the new frame rate based on the idle detection and number of idle
431 * cycles.
432 *
433 * @returns nothing.
434 * @param pThis The roothub instance data.
435 * @param fIdle Flag whether the last frame didn't produce any activity.
436 */
437static void vusbRhR3FrameRateCalcNew(PVUSBROOTHUB pThis, bool fIdle)
438{
439 uint32_t uNewFrameRate = pThis->uFrameRate;
440
441 /*
442 * Adjust the frame timer interval based on idle detection.
443 */
444 if (fIdle)
445 {
446 pThis->cIdleCycles++;
447 /* Set the new frame rate based on how long we've been idle. Tunable. */
448 switch (pThis->cIdleCycles)
449 {
450 case 4: uNewFrameRate = 500; break; /* 2ms interval */
451 case 16:uNewFrameRate = 125; break; /* 8ms interval */
452 case 24:uNewFrameRate = 50; break; /* 20ms interval */
453 default: break;
454 }
455 /* Avoid overflow. */
456 if (pThis->cIdleCycles > 60000)
457 pThis->cIdleCycles = 20000;
458 }
459 else
460 {
461 if (pThis->cIdleCycles)
462 {
463 pThis->cIdleCycles = 0;
464 uNewFrameRate = pThis->uFrameRateDefault;
465 }
466 }
467
468 if (uNewFrameRate != pThis->uFrameRate)
469 {
470 LogFlow(("Frame rate changed from %u to %u\n", pThis->uFrameRate, uNewFrameRate));
471 vusbRhR3CalcTimerIntervals(pThis, uNewFrameRate);
472 }
473}
474
475
476/**
477 * The core frame processing routine keeping track of the elapsed time and calling into
478 * the device emulation above us to do the work.
479 *
480 * @returns Relative timespan when to process the next frame.
481 * @param pThis The roothub instance data.
482 * @param fCallback Flag whether this method is called from the URB completion callback or
483 * from the worker thread (only used for statistics).
484 */
485DECLHIDDEN(uint64_t) vusbRhR3ProcessFrame(PVUSBROOTHUB pThis, bool fCallback)
486{
487 uint64_t tsNext = 0;
488 uint64_t tsNanoStart = RTTimeNanoTS();
489
490 /* Don't do anything if we are not supposed to process anything (EHCI and XHCI). */
491 if (!pThis->uFrameRateDefault)
492 return 0;
493
494 if (ASMAtomicXchgBool(&pThis->fFrameProcessing, true))
495 return pThis->nsWait;
496
497 if ( tsNanoStart > pThis->tsFrameProcessed
498 && tsNanoStart - pThis->tsFrameProcessed >= 750 * RT_NS_1US)
499 {
500 LogFlowFunc(("Starting new frame at ts %llu\n", tsNanoStart));
501
502 bool fIdle = pThis->pIRhPort->pfnStartFrame(pThis->pIRhPort, 0 /* u32FrameNo */);
503 vusbRhR3FrameRateCalcNew(pThis, fIdle);
504
505 uint64_t tsNow = RTTimeNanoTS();
506 tsNext = (tsNanoStart + pThis->nsWait) > tsNow ? (tsNanoStart + pThis->nsWait) - tsNow : 0;
507 pThis->tsFrameProcessed = tsNanoStart;
508 LogFlowFunc(("Current frame took %llu nano seconds to process, next frame in %llu ns\n", tsNow - tsNanoStart, tsNext));
509 if (fCallback)
510 STAM_COUNTER_INC(&pThis->StatFramesProcessedClbk);
511 else
512 STAM_COUNTER_INC(&pThis->StatFramesProcessedThread);
513 }
514 else
515 {
516 tsNext = (pThis->tsFrameProcessed + pThis->nsWait) > tsNanoStart ? (pThis->tsFrameProcessed + pThis->nsWait) - tsNanoStart : 0;
517 LogFlowFunc(("Next frame is too far away in the future, waiting... (tsNanoStart=%llu tsFrameProcessed=%llu)\n",
518 tsNanoStart, pThis->tsFrameProcessed));
519 }
520
521 ASMAtomicXchgBool(&pThis->fFrameProcessing, false);
522 LogFlowFunc(("returns %llu\n", tsNext));
523 return tsNext;
524}
525
526
527/**
528 * Worker for processing frames periodically.
529 *
530 * @returns VBox status code.
531 * @param pDrvIns The driver instance.
532 * @param pThread The PDM thread structure for the thread this worker runs on.
533 */
534static DECLCALLBACK(int) vusbRhR3PeriodFrameWorker(PPDMDRVINS pDrvIns, PPDMTHREAD pThread)
535{
536 int rc = VINF_SUCCESS;
537 PVUSBROOTHUB pThis = (PVUSBROOTHUB)pThread->pvUser;
538
539 if (pThread->enmState == PDMTHREADSTATE_INITIALIZING)
540 return VINF_SUCCESS;
541
542 while (pThread->enmState == PDMTHREADSTATE_RUNNING)
543 {
544 while ( !ASMAtomicReadU32(&pThis->uFrameRateDefault)
545 && pThread->enmState == PDMTHREADSTATE_RUNNING)
546 {
547 /* Signal the waiter that we are stopped now. */
548 rc = RTSemEventMultiSignal(pThis->hSemEventPeriodFrameStopped);
549 AssertRC(rc);
550
551 rc = RTSemEventMultiWait(pThis->hSemEventPeriodFrame, RT_INDEFINITE_WAIT);
552 RTSemEventMultiReset(pThis->hSemEventPeriodFrame);
553 }
554
555 AssertLogRelMsgReturn(RT_SUCCESS(rc) || rc == VERR_TIMEOUT, ("%Rrc\n", rc), rc);
556 if (RT_UNLIKELY(pThread->enmState != PDMTHREADSTATE_RUNNING))
557 break;
558
559 uint64_t tsNext = vusbRhR3ProcessFrame(pThis, false /* fCallback */);
560
561 if (tsNext >= 250 * RT_NS_1US)
562 {
563 rc = RTSemEventMultiWaitEx(pThis->hSemEventPeriodFrame, RTSEMWAIT_FLAGS_RELATIVE | RTSEMWAIT_FLAGS_NANOSECS | RTSEMWAIT_FLAGS_UNINTERRUPTIBLE,
564 tsNext);
565 AssertLogRelMsg(RT_SUCCESS(rc) || rc == VERR_TIMEOUT, ("%Rrc\n", rc));
566 RTSemEventMultiReset(pThis->hSemEventPeriodFrame);
567 }
568 }
569
570 return VINF_SUCCESS;
571}
572
573
574/**
575 * Unblock the periodic frame thread so it can respond to a state change.
576 *
577 * @returns VBox status code.
578 * @param pDrvIns The driver instance.
579 * @param pThread The send thread.
580 */
581static DECLCALLBACK(int) vusbRhR3PeriodFrameWorkerWakeup(PPDMDRVINS pDrvIns, PPDMTHREAD pThread)
582{
583 PVUSBROOTHUB pThis = PDMINS_2_DATA(pDrvIns, PVUSBROOTHUB);
584 return RTSemEventMultiSignal(pThis->hSemEventPeriodFrame);
585}
586
587
588/** @copydoc VUSBIROOTHUBCONNECTOR::pfnSetUrbParams */
589static DECLCALLBACK(int) vusbRhSetUrbParams(PVUSBIROOTHUBCONNECTOR pInterface, size_t cbHci, size_t cbHciTd)
590{
591 PVUSBROOTHUB pRh = VUSBIROOTHUBCONNECTOR_2_VUSBROOTHUB(pInterface);
592
593 pRh->cbHci = cbHci;
594 pRh->cbHciTd = cbHciTd;
595
596 return VINF_SUCCESS;
597}
598
599
600/** @copydoc VUSBIROOTHUBCONNECTOR::pfnNewUrb */
601static DECLCALLBACK(PVUSBURB) vusbRhConnNewUrb(PVUSBIROOTHUBCONNECTOR pInterface, uint8_t DstAddress, PVUSBIDEVICE pDev, VUSBXFERTYPE enmType,
602 VUSBDIRECTION enmDir, uint32_t cbData, uint32_t cTds, const char *pszTag)
603{
604 PVUSBROOTHUB pRh = VUSBIROOTHUBCONNECTOR_2_VUSBROOTHUB(pInterface);
605 return vusbRhNewUrb(pRh, DstAddress, (PVUSBDEV)pDev, enmType, enmDir, cbData, cTds, pszTag);
606}
607
608
609/** @copydoc VUSBIROOTHUBCONNECTOR::pfnFreeUrb */
610static DECLCALLBACK(int) vusbRhConnFreeUrb(PVUSBIROOTHUBCONNECTOR pInterface, PVUSBURB pUrb)
611{
612 PVUSBROOTHUB pRh = VUSBIROOTHUBCONNECTOR_2_VUSBROOTHUB(pInterface);
613
614 pUrb->pVUsb->pfnFree(pUrb);
615 return VINF_SUCCESS;
616}
617
618
619/** @copydoc VUSBIROOTHUBCONNECTOR::pfnSubmitUrb */
620static DECLCALLBACK(int) vusbRhSubmitUrb(PVUSBIROOTHUBCONNECTOR pInterface, PVUSBURB pUrb, PPDMLED pLed)
621{
622 PVUSBROOTHUB pRh = VUSBIROOTHUBCONNECTOR_2_VUSBROOTHUB(pInterface);
623 STAM_PROFILE_START(&pRh->StatSubmitUrb, a);
624
625#ifdef VBOX_WITH_STATISTICS
626 /*
627 * Total and per-type submit statistics.
628 */
629 Assert(pUrb->enmType >= 0 && pUrb->enmType < (int)RT_ELEMENTS(pRh->aTypes));
630 STAM_COUNTER_INC(&pRh->Total.StatUrbsSubmitted);
631 STAM_COUNTER_INC(&pRh->aTypes[pUrb->enmType].StatUrbsSubmitted);
632
633 STAM_COUNTER_ADD(&pRh->Total.StatReqBytes, pUrb->cbData);
634 STAM_COUNTER_ADD(&pRh->aTypes[pUrb->enmType].StatReqBytes, pUrb->cbData);
635 if (pUrb->enmDir == VUSBDIRECTION_IN)
636 {
637 STAM_COUNTER_ADD(&pRh->Total.StatReqReadBytes, pUrb->cbData);
638 STAM_COUNTER_ADD(&pRh->aTypes[pUrb->enmType].StatReqReadBytes, pUrb->cbData);
639 }
640 else
641 {
642 STAM_COUNTER_ADD(&pRh->Total.StatReqWriteBytes, pUrb->cbData);
643 STAM_COUNTER_ADD(&pRh->aTypes[pUrb->enmType].StatReqWriteBytes, pUrb->cbData);
644 }
645
646 if (pUrb->enmType == VUSBXFERTYPE_ISOC)
647 {
648 STAM_COUNTER_ADD(&pRh->StatIsocReqPkts, pUrb->cIsocPkts);
649 if (pUrb->enmDir == VUSBDIRECTION_IN)
650 STAM_COUNTER_ADD(&pRh->StatIsocReqReadPkts, pUrb->cIsocPkts);
651 else
652 STAM_COUNTER_ADD(&pRh->StatIsocReqWritePkts, pUrb->cIsocPkts);
653 }
654#endif
655
656 /* If there is a sniffer on the roothub record the URB there. */
657 if (pRh->hSniffer != VUSBSNIFFER_NIL)
658 {
659 int rc = VUSBSnifferRecordEvent(pRh->hSniffer, pUrb, VUSBSNIFFEREVENT_SUBMIT);
660 if (RT_FAILURE(rc))
661 LogRel(("VUSB: Capturing URB submit event on the root hub failed with %Rrc\n", rc));
662 }
663
664 /*
665 * The device was resolved when we allocated the URB.
666 * Submit it to the device if we found it, if not fail with device-not-ready.
667 */
668 int rc;
669 if ( pUrb->pVUsb->pDev
670 && pUrb->pVUsb->pDev->pUsbIns)
671 {
672 switch (pUrb->enmDir)
673 {
674 case VUSBDIRECTION_IN:
675 pLed->Asserted.s.fReading = pLed->Actual.s.fReading = 1;
676 rc = vusbUrbSubmit(pUrb);
677 pLed->Actual.s.fReading = 0;
678 break;
679 case VUSBDIRECTION_OUT:
680 pLed->Asserted.s.fWriting = pLed->Actual.s.fWriting = 1;
681 rc = vusbUrbSubmit(pUrb);
682 pLed->Actual.s.fWriting = 0;
683 break;
684 default:
685 rc = vusbUrbSubmit(pUrb);
686 break;
687 }
688
689 if (RT_FAILURE(rc))
690 {
691 LogFlow(("vusbRhSubmitUrb: freeing pUrb=%p\n", pUrb));
692 pUrb->pVUsb->pfnFree(pUrb);
693 }
694 }
695 else
696 {
697 pUrb->pVUsb->pDev = &pRh->Hub.Dev;
698 Log(("vusb: pRh=%p: SUBMIT: Address %i not found!!!\n", pRh, pUrb->DstAddress));
699
700 pUrb->enmState = VUSBURBSTATE_REAPED;
701 pUrb->enmStatus = VUSBSTATUS_DNR;
702 vusbUrbCompletionRh(pUrb);
703 rc = VINF_SUCCESS;
704 }
705
706 STAM_PROFILE_STOP(&pRh->StatSubmitUrb, a);
707 return rc;
708}
709
710
711static DECLCALLBACK(int) vusbRhReapAsyncUrbsWorker(PVUSBDEV pDev, RTMSINTERVAL cMillies)
712{
713 if (!cMillies)
714 vusbUrbDoReapAsync(&pDev->LstAsyncUrbs, 0);
715 else
716 {
717 uint64_t u64Start = RTTimeMilliTS();
718 do
719 {
720 vusbUrbDoReapAsync(&pDev->LstAsyncUrbs, RT_MIN(cMillies >> 8, 10));
721 } while ( !RTListIsEmpty(&pDev->LstAsyncUrbs)
722 && RTTimeMilliTS() - u64Start < cMillies);
723 }
724
725 return VINF_SUCCESS;
726}
727
728/** @copydoc VUSBIROOTHUBCONNECTOR::pfnReapAsyncUrbs */
729static DECLCALLBACK(void) vusbRhReapAsyncUrbs(PVUSBIROOTHUBCONNECTOR pInterface, PVUSBIDEVICE pDevice, RTMSINTERVAL cMillies)
730{
731 PVUSBROOTHUB pRh = VUSBIROOTHUBCONNECTOR_2_VUSBROOTHUB(pInterface);
732 PVUSBDEV pDev = (PVUSBDEV)pDevice;
733
734 if (RTListIsEmpty(&pDev->LstAsyncUrbs))
735 return;
736
737 STAM_PROFILE_START(&pRh->StatReapAsyncUrbs, a);
738 int rc = vusbDevIoThreadExecSync(pDev, (PFNRT)vusbRhReapAsyncUrbsWorker, 2, pDev, cMillies);
739 AssertRC(rc);
740 STAM_PROFILE_STOP(&pRh->StatReapAsyncUrbs, a);
741}
742
743
744/** @copydoc VUSBIROOTHUBCONNECTOR::pfnCancelUrbsEp */
745static DECLCALLBACK(int) vusbRhCancelUrbsEp(PVUSBIROOTHUBCONNECTOR pInterface, PVUSBURB pUrb)
746{
747 PVUSBROOTHUB pRh = VUSBIROOTHUBCONNECTOR_2_VUSBROOTHUB(pInterface);
748 AssertReturn(pRh, VERR_INVALID_PARAMETER);
749 AssertReturn(pUrb, VERR_INVALID_PARAMETER);
750
751 //@todo: This method of URB canceling may not work on non-Linux hosts.
752 /*
753 * Cancel and reap the URB(s) on an endpoint.
754 */
755 LogFlow(("vusbRhCancelUrbsEp: pRh=%p pUrb=%p\n", pRh, pUrb));
756
757 vusbUrbCancelAsync(pUrb, CANCELMODE_UNDO);
758
759 /* The reaper thread will take care of completing the URB. */
760
761 return VINF_SUCCESS;
762}
763
764/**
765 * Worker doing the actual cancelling of all outstanding URBs on the device I/O thread.
766 *
767 * @returns VBox status code.
768 * @param pDev USB device instance data.
769 */
770static DECLCALLBACK(int) vusbRhCancelAllUrbsWorker(PVUSBDEV pDev)
771{
772 /*
773 * Cancel the URBS.
774 *
775 * Not using th CritAsyncUrbs critical section here is safe
776 * as the I/O thread is the only thread accessing this struture at the
777 * moment.
778 */
779 PVUSBURBVUSB pVUsbUrb, pVUsbUrbNext;
780
781 RTListForEachSafe(&pDev->LstAsyncUrbs, pVUsbUrb, pVUsbUrbNext, VUSBURBVUSBINT, NdLst)
782 {
783 PVUSBURB pUrb = pVUsbUrb->pUrb;
784 /* Call the worker directly. */
785 vusbUrbCancelWorker(pUrb, CANCELMODE_FAIL);
786 }
787
788 return VINF_SUCCESS;
789}
790
791/** @copydoc VUSBIROOTHUBCONNECTOR::pfnCancelAllUrbs */
792static DECLCALLBACK(void) vusbRhCancelAllUrbs(PVUSBIROOTHUBCONNECTOR pInterface)
793{
794 PVUSBROOTHUB pRh = VUSBIROOTHUBCONNECTOR_2_VUSBROOTHUB(pInterface);
795
796 RTCritSectEnter(&pRh->CritSectDevices);
797 PVUSBDEV pDev = pRh->pDevices;
798 while (pDev)
799 {
800 vusbDevIoThreadExecSync(pDev, (PFNRT)vusbRhCancelAllUrbsWorker, 1, pDev);
801 pDev = pDev->pNext;
802 }
803 RTCritSectLeave(&pRh->CritSectDevices);
804}
805
806/**
807 * Worker doing the actual cancelling of all outstanding per-EP URBs on the
808 * device I/O thread.
809 *
810 * @returns VBox status code.
811 * @param pDev USB device instance data.
812 * @param EndPt Endpoint number.
813 * @param enmDir Endpoint direction.
814 */
815static DECLCALLBACK(int) vusbRhAbortEpWorker(PVUSBDEV pDev, int EndPt, VUSBDIRECTION enmDir)
816{
817 /*
818 * Iterate the URBs, find ones corresponding to given EP, and cancel them.
819 */
820 PVUSBURBVUSB pVUsbUrb, pVUsbUrbNext;
821
822 RTListForEachSafe(&pDev->LstAsyncUrbs, pVUsbUrb, pVUsbUrbNext, VUSBURBVUSBINT, NdLst)
823 {
824 PVUSBURB pUrb = pVUsbUrb->pUrb;
825
826 Assert(pUrb->pVUsb->pDev == pDev);
827
828 /* For the default control EP, direction does not matter. */
829 if (pUrb->EndPt == EndPt && (pUrb->enmDir == enmDir || !EndPt))
830 {
831 LogFlow(("%s: vusbRhAbortEpWorker: CANCELING URB\n", pUrb->pszDesc));
832 int rc = vusbUrbCancelWorker(pUrb, CANCELMODE_UNDO);
833 AssertRC(rc);
834 }
835 }
836
837 return VINF_SUCCESS;
838}
839
840
841/** @copydoc VUSBIROOTHUBCONNECTOR::pfnAbortEp */
842static DECLCALLBACK(int) vusbRhAbortEp(PVUSBIROOTHUBCONNECTOR pInterface, PVUSBIDEVICE pDevice, int EndPt, VUSBDIRECTION enmDir)
843{
844 PVUSBROOTHUB pRh = VUSBIROOTHUBCONNECTOR_2_VUSBROOTHUB(pInterface);
845 if (&pRh->Hub != ((PVUSBDEV)pDevice)->pHub)
846 AssertFailedReturn(VERR_INVALID_PARAMETER);
847
848 RTCritSectEnter(&pRh->CritSectDevices);
849 PVUSBDEV pDev = (PVUSBDEV)pDevice;
850 vusbDevIoThreadExecSync(pDev, (PFNRT)vusbRhAbortEpWorker, 3, pDev, EndPt, enmDir);
851 RTCritSectLeave(&pRh->CritSectDevices);
852
853 /* The reaper thread will take care of completing the URB. */
854
855 return VINF_SUCCESS;
856}
857
858
859/** @copydoc VUSBIROOTHUBCONNECTOR::pfnAttachDevice */
860static DECLCALLBACK(int) vusbRhAttachDevice(PVUSBIROOTHUBCONNECTOR pInterface, PVUSBIDEVICE pDevice)
861{
862 PVUSBROOTHUB pRh = VUSBIROOTHUBCONNECTOR_2_VUSBROOTHUB(pInterface);
863 return vusbHubAttach(&pRh->Hub, (PVUSBDEV)pDevice);
864}
865
866
867/** @copydoc VUSBIROOTHUBCONNECTOR::pfnDetachDevice */
868static DECLCALLBACK(int) vusbRhDetachDevice(PVUSBIROOTHUBCONNECTOR pInterface, PVUSBIDEVICE pDevice)
869{
870 PVUSBROOTHUB pRh = VUSBIROOTHUBCONNECTOR_2_VUSBROOTHUB(pInterface);
871 if (&pRh->Hub != ((PVUSBDEV)pDevice)->pHub)
872 AssertFailedReturn(VERR_INVALID_PARAMETER);
873 return vusbDevDetach((PVUSBDEV)pDevice);
874}
875
876
877/** @copydoc VUSBIROOTHUBCONNECTOR::pfnSetFrameProcessing */
878static DECLCALLBACK(int) vusbRhSetFrameProcessing(PVUSBIROOTHUBCONNECTOR pInterface, uint32_t uFrameRate)
879{
880 int rc = VINF_SUCCESS;
881 PVUSBROOTHUB pThis = VUSBIROOTHUBCONNECTOR_2_VUSBROOTHUB(pInterface);
882
883 /* Create the frame thread lazily. */
884 if ( !pThis->hThreadPeriodFrame
885 && uFrameRate)
886 {
887 ASMAtomicXchgU32(&pThis->uFrameRateDefault, uFrameRate);
888 pThis->uFrameRate = uFrameRate;
889 vusbRhR3CalcTimerIntervals(pThis, uFrameRate);
890
891 rc = RTSemEventMultiCreate(&pThis->hSemEventPeriodFrame);
892 AssertRCReturn(rc, rc);
893
894 rc = RTSemEventMultiCreate(&pThis->hSemEventPeriodFrameStopped);
895 AssertRCReturn(rc, rc);
896
897 rc = PDMDrvHlpThreadCreate(pThis->pDrvIns, &pThis->hThreadPeriodFrame, pThis, vusbRhR3PeriodFrameWorker,
898 vusbRhR3PeriodFrameWorkerWakeup, 0, RTTHREADTYPE_IO, "VUsbPeriodFrm");
899 AssertRCReturn(rc, rc);
900
901 VMSTATE enmState = PDMDrvHlpVMState(pThis->pDrvIns);
902 if ( enmState == VMSTATE_RUNNING
903 || enmState == VMSTATE_RUNNING_LS
904 || enmState == VMSTATE_RUNNING_FT)
905 {
906 rc = PDMR3ThreadResume(pThis->hThreadPeriodFrame);
907 AssertRCReturn(rc, rc);
908 }
909 }
910 else if ( pThis->hThreadPeriodFrame
911 && !uFrameRate)
912 {
913 /* Stop processing. */
914 uint32_t uFrameRateOld = ASMAtomicXchgU32(&pThis->uFrameRateDefault, uFrameRate);
915 if (uFrameRateOld)
916 {
917 rc = RTSemEventMultiReset(pThis->hSemEventPeriodFrameStopped);
918 AssertRC(rc);
919
920 /* Signal the frame thread to stop. */
921 RTSemEventMultiSignal(pThis->hSemEventPeriodFrame);
922
923 /* Wait for signal from the thread that it stopped. */
924 rc = RTSemEventMultiWait(pThis->hSemEventPeriodFrameStopped, RT_INDEFINITE_WAIT);
925 AssertRC(rc);
926 }
927 }
928 else if ( pThis->hThreadPeriodFrame
929 && uFrameRate)
930 {
931 /* Just switch to the new frame rate and let the periodic frame thread pick it up. */
932 uint32_t uFrameRateOld = ASMAtomicXchgU32(&pThis->uFrameRateDefault, uFrameRate);
933
934 /* Signal the frame thread to continue if it was stopped. */
935 if (!uFrameRateOld)
936 RTSemEventMultiSignal(pThis->hSemEventPeriodFrame);
937 }
938
939 return rc;
940}
941
942
943/** @copydoc VUSBIROOTHUBCONNECTOR::pfnGetPeriodicFrameRate */
944static DECLCALLBACK(uint32_t) vusbRhGetPriodicFrameRate(PVUSBIROOTHUBCONNECTOR pInterface)
945{
946 PVUSBROOTHUB pThis = VUSBIROOTHUBCONNECTOR_2_VUSBROOTHUB(pInterface);
947
948 return pThis->uFrameRate;
949}
950
951/* -=-=-=-=-=- VUSB Device methods (for the root hub) -=-=-=-=-=- */
952
953
954/**
955 * @copydoc VUSBIDEVICE::pfnReset
956 */
957static DECLCALLBACK(int) vusbRhDevReset(PVUSBIDEVICE pInterface, bool fResetOnLinux, PFNVUSBRESETDONE pfnDone, void *pvUser, PVM pVM)
958{
959 PVUSBROOTHUB pRh = RT_FROM_MEMBER(pInterface, VUSBROOTHUB, Hub.Dev.IDevice);
960 Assert(!pfnDone);
961 return pRh->pIRhPort->pfnReset(pRh->pIRhPort, fResetOnLinux); /** @todo change rc from bool to vbox status everywhere! */
962}
963
964
965/**
966 * @copydoc VUSBIDEVICE::pfnPowerOn
967 */
968static DECLCALLBACK(int) vusbRhDevPowerOn(PVUSBIDEVICE pInterface)
969{
970 PVUSBROOTHUB pRh = RT_FROM_MEMBER(pInterface, VUSBROOTHUB, Hub.Dev.IDevice);
971 LogFlow(("vusbRhDevPowerOn: pRh=%p\n", pRh));
972
973 Assert( pRh->Hub.Dev.enmState != VUSB_DEVICE_STATE_DETACHED
974 && pRh->Hub.Dev.enmState != VUSB_DEVICE_STATE_RESET);
975
976 if (pRh->Hub.Dev.enmState == VUSB_DEVICE_STATE_ATTACHED)
977 pRh->Hub.Dev.enmState = VUSB_DEVICE_STATE_POWERED;
978
979 return VINF_SUCCESS;
980}
981
982
983/**
984 * @copydoc VUSBIDEVICE::pfnPowerOff
985 */
986static DECLCALLBACK(int) vusbRhDevPowerOff(PVUSBIDEVICE pInterface)
987{
988 PVUSBROOTHUB pRh = RT_FROM_MEMBER(pInterface, VUSBROOTHUB, Hub.Dev.IDevice);
989 LogFlow(("vusbRhDevPowerOff: pRh=%p\n", pRh));
990
991 Assert( pRh->Hub.Dev.enmState != VUSB_DEVICE_STATE_DETACHED
992 && pRh->Hub.Dev.enmState != VUSB_DEVICE_STATE_RESET);
993
994 /*
995 * Cancel all URBs and reap them.
996 */
997 VUSBIRhCancelAllUrbs(&pRh->IRhConnector);
998 RTCritSectEnter(&pRh->CritSectDevices);
999 PVUSBDEV pDev = pRh->pDevices;
1000 while (pDev)
1001 {
1002 VUSBIRhReapAsyncUrbs(&pRh->IRhConnector, (PVUSBIDEVICE)pDev, 0);
1003 pDev = pDev->pNext;
1004 }
1005 RTCritSectLeave(&pRh->CritSectDevices);
1006
1007 pRh->Hub.Dev.enmState = VUSB_DEVICE_STATE_ATTACHED;
1008 return VINF_SUCCESS;
1009}
1010
1011/**
1012 * @copydoc VUSBIDEVICE::pfnGetState
1013 */
1014static DECLCALLBACK(VUSBDEVICESTATE) vusbRhDevGetState(PVUSBIDEVICE pInterface)
1015{
1016 PVUSBROOTHUB pRh = RT_FROM_MEMBER(pInterface, VUSBROOTHUB, Hub.Dev.IDevice);
1017 return pRh->Hub.Dev.enmState;
1018}
1019
1020
1021
1022
1023/* -=-=-=-=-=- VUSB Hub methods -=-=-=-=-=- */
1024
1025
1026/**
1027 * Attach the device to the hub.
1028 * Port assignments and all such stuff is up to this routine.
1029 *
1030 * @returns VBox status code.
1031 * @param pHub Pointer to the hub.
1032 * @param pDev Pointer to the device.
1033 */
1034static int vusbRhHubOpAttach(PVUSBHUB pHub, PVUSBDEV pDev)
1035{
1036 PVUSBROOTHUB pRh = (PVUSBROOTHUB)pHub;
1037
1038 /*
1039 * Assign a port.
1040 */
1041 int iPort = ASMBitFirstSet(&pRh->Bitmap, sizeof(pRh->Bitmap) * 8);
1042 if (iPort < 0)
1043 {
1044 LogRel(("VUSB: No ports available!\n"));
1045 return VERR_VUSB_NO_PORTS;
1046 }
1047 ASMBitClear(&pRh->Bitmap, iPort);
1048 pHub->cDevices++;
1049 pDev->i16Port = iPort;
1050
1051 /*
1052 * Call the HCI attach routine and let it have its say before the device is
1053 * linked into the device list of this hub.
1054 */
1055 int rc = pRh->pIRhPort->pfnAttach(pRh->pIRhPort, &pDev->IDevice, iPort);
1056 if (RT_SUCCESS(rc))
1057 {
1058 RTCritSectEnter(&pRh->CritSectDevices);
1059 pDev->pNext = pRh->pDevices;
1060 pRh->pDevices = pDev;
1061 RTCritSectLeave(&pRh->CritSectDevices);
1062 LogRel(("VUSB: Attached '%s' to port %d\n", pDev->pUsbIns->pszName, iPort));
1063 }
1064 else
1065 {
1066 ASMBitSet(&pRh->Bitmap, iPort);
1067 pHub->cDevices--;
1068 pDev->i16Port = -1;
1069 LogRel(("VUSB: Failed to attach '%s' to port %d, rc=%Rrc\n", pDev->pUsbIns->pszName, iPort, rc));
1070 }
1071 return rc;
1072}
1073
1074
1075/**
1076 * Detach the device from the hub.
1077 *
1078 * @returns VBox status code.
1079 * @param pHub Pointer to the hub.
1080 * @param pDev Pointer to the device.
1081 */
1082static void vusbRhHubOpDetach(PVUSBHUB pHub, PVUSBDEV pDev)
1083{
1084 PVUSBROOTHUB pRh = (PVUSBROOTHUB)pHub;
1085 Assert(pDev->i16Port != -1);
1086
1087 /*
1088 * Check that it's attached and unlink it from the linked list.
1089 */
1090 RTCritSectEnter(&pRh->CritSectDevices);
1091 if (pRh->pDevices != pDev)
1092 {
1093 PVUSBDEV pPrev = pRh->pDevices;
1094 while (pPrev && pPrev->pNext != pDev)
1095 pPrev = pPrev->pNext;
1096 Assert(pPrev);
1097 pPrev->pNext = pDev->pNext;
1098 }
1099 else
1100 pRh->pDevices = pDev->pNext;
1101 pDev->pNext = NULL;
1102 RTCritSectLeave(&pRh->CritSectDevices);
1103
1104 /*
1105 * Detach the device and mark the port as available.
1106 */
1107 unsigned uPort = pDev->i16Port;
1108 pRh->pIRhPort->pfnDetach(pRh->pIRhPort, &pDev->IDevice, uPort);
1109 LogRel(("VUSB: Detached '%s' from port %u\n", pDev->pUsbIns->pszName, uPort));
1110 ASMBitSet(&pRh->Bitmap, uPort);
1111 pHub->cDevices--;
1112}
1113
1114
1115/**
1116 * The Hub methods implemented by the root hub.
1117 */
1118static const VUSBHUBOPS s_VUsbRhHubOps =
1119{
1120 vusbRhHubOpAttach,
1121 vusbRhHubOpDetach
1122};
1123
1124
1125
1126/* -=-=-=-=-=- PDM Base interface methods -=-=-=-=-=- */
1127
1128
1129/**
1130 * @interface_method_impl{PDMIBASE,pfnQueryInterface}
1131 */
1132static DECLCALLBACK(void *) vusbRhQueryInterface(PPDMIBASE pInterface, const char *pszIID)
1133{
1134 PPDMDRVINS pDrvIns = PDMIBASE_2_PDMDRV(pInterface);
1135 PVUSBROOTHUB pRh = PDMINS_2_DATA(pDrvIns, PVUSBROOTHUB);
1136
1137 PDMIBASE_RETURN_INTERFACE(pszIID, PDMIBASE, &pDrvIns->IBase);
1138 PDMIBASE_RETURN_INTERFACE(pszIID, VUSBIROOTHUBCONNECTOR, &pRh->IRhConnector);
1139 PDMIBASE_RETURN_INTERFACE(pszIID, VUSBIDEVICE, &pRh->Hub.Dev.IDevice);
1140 return NULL;
1141}
1142
1143
1144/* -=-=-=-=-=- PDM Driver methods -=-=-=-=-=- */
1145
1146
1147/**
1148 * Destruct a driver instance.
1149 *
1150 * Most VM resources are freed by the VM. This callback is provided so that any non-VM
1151 * resources can be freed correctly.
1152 *
1153 * @param pDrvIns The driver instance data.
1154 */
1155static DECLCALLBACK(void) vusbRhDestruct(PPDMDRVINS pDrvIns)
1156{
1157 PVUSBROOTHUB pRh = PDMINS_2_DATA(pDrvIns, PVUSBROOTHUB);
1158 PDMDRV_CHECK_VERSIONS_RETURN_VOID(pDrvIns);
1159
1160 vusbUrbPoolDestroy(&pRh->Hub.Dev.UrbPool);
1161 if (pRh->Hub.pszName)
1162 {
1163 RTStrFree(pRh->Hub.pszName);
1164 pRh->Hub.pszName = NULL;
1165 }
1166 if (pRh->hSniffer != VUSBSNIFFER_NIL)
1167 VUSBSnifferDestroy(pRh->hSniffer);
1168
1169 if (pRh->hSemEventPeriodFrame)
1170 RTSemEventMultiDestroy(pRh->hSemEventPeriodFrame);
1171
1172 if (pRh->hSemEventPeriodFrameStopped)
1173 RTSemEventMultiDestroy(pRh->hSemEventPeriodFrameStopped);
1174
1175 RTCritSectDelete(&pRh->CritSectDevices);
1176}
1177
1178
1179/**
1180 * Construct a root hub driver instance.
1181 *
1182 * @copydoc FNPDMDRVCONSTRUCT
1183 */
1184static DECLCALLBACK(int) vusbRhConstruct(PPDMDRVINS pDrvIns, PCFGMNODE pCfg, uint32_t fFlags)
1185{
1186 LogFlow(("vusbRhConstruct: Instance %d\n", pDrvIns->iInstance));
1187 PVUSBROOTHUB pThis = PDMINS_2_DATA(pDrvIns, PVUSBROOTHUB);
1188 PDMDRV_CHECK_VERSIONS_RETURN(pDrvIns);
1189
1190 /*
1191 * Validate configuration.
1192 */
1193 if (!CFGMR3AreValuesValid(pCfg, "CaptureFilename\0"))
1194 return VERR_PDM_DRVINS_UNKNOWN_CFG_VALUES;
1195
1196 /*
1197 * Check that there are no drivers below us.
1198 */
1199 AssertMsgReturn(PDMDrvHlpNoAttach(pDrvIns) == VERR_PDM_NO_ATTACHED_DRIVER,
1200 ("Configuration error: Not possible to attach anything to this driver!\n"),
1201 VERR_PDM_DRVINS_NO_ATTACH);
1202
1203 /*
1204 * Initialize the critical sections.
1205 */
1206 int rc = RTCritSectInit(&pThis->CritSectDevices);
1207 if (RT_FAILURE(rc))
1208 return rc;
1209
1210 char *pszCaptureFilename = NULL;
1211 rc = CFGMR3QueryStringAlloc(pCfg, "CaptureFilename", &pszCaptureFilename);
1212 if ( RT_FAILURE(rc)
1213 && rc != VERR_CFGM_VALUE_NOT_FOUND)
1214 return PDMDrvHlpVMSetError(pDrvIns, rc, RT_SRC_POS,
1215 N_("Configuration error: Failed to query value of \"CaptureFilename\""));
1216
1217 /*
1218 * Initialize the data members.
1219 */
1220 pDrvIns->IBase.pfnQueryInterface = vusbRhQueryInterface;
1221 /* the usb device */
1222 pThis->Hub.Dev.enmState = VUSB_DEVICE_STATE_ATTACHED;
1223 pThis->Hub.Dev.u8Address = VUSB_INVALID_ADDRESS;
1224 pThis->Hub.Dev.u8NewAddress = VUSB_INVALID_ADDRESS;
1225 pThis->Hub.Dev.i16Port = -1;
1226 pThis->Hub.Dev.IDevice.pfnReset = vusbRhDevReset;
1227 pThis->Hub.Dev.IDevice.pfnPowerOn = vusbRhDevPowerOn;
1228 pThis->Hub.Dev.IDevice.pfnPowerOff = vusbRhDevPowerOff;
1229 pThis->Hub.Dev.IDevice.pfnGetState = vusbRhDevGetState;
1230 /* the hub */
1231 pThis->Hub.pOps = &s_VUsbRhHubOps;
1232 pThis->Hub.pRootHub = pThis;
1233 //pThis->hub.cPorts - later
1234 pThis->Hub.cDevices = 0;
1235 pThis->Hub.Dev.pHub = &pThis->Hub;
1236 RTStrAPrintf(&pThis->Hub.pszName, "RootHub#%d", pDrvIns->iInstance);
1237 /* misc */
1238 pThis->pDrvIns = pDrvIns;
1239 /* the connector */
1240 pThis->IRhConnector.pfnSetUrbParams = vusbRhSetUrbParams;
1241 pThis->IRhConnector.pfnNewUrb = vusbRhConnNewUrb;
1242 pThis->IRhConnector.pfnFreeUrb = vusbRhConnFreeUrb;
1243 pThis->IRhConnector.pfnSubmitUrb = vusbRhSubmitUrb;
1244 pThis->IRhConnector.pfnReapAsyncUrbs = vusbRhReapAsyncUrbs;
1245 pThis->IRhConnector.pfnCancelUrbsEp = vusbRhCancelUrbsEp;
1246 pThis->IRhConnector.pfnCancelAllUrbs = vusbRhCancelAllUrbs;
1247 pThis->IRhConnector.pfnAbortEp = vusbRhAbortEp;
1248 pThis->IRhConnector.pfnAttachDevice = vusbRhAttachDevice;
1249 pThis->IRhConnector.pfnDetachDevice = vusbRhDetachDevice;
1250 pThis->IRhConnector.pfnSetPeriodicFrameProcessing = vusbRhSetFrameProcessing;
1251 pThis->IRhConnector.pfnGetPeriodicFrameRate = vusbRhGetPriodicFrameRate;
1252 pThis->hSniffer = VUSBSNIFFER_NIL;
1253 pThis->cbHci = 0;
1254 pThis->cbHciTd = 0;
1255 pThis->fFrameProcessing = false;
1256#ifdef LOG_ENABLED
1257 pThis->iSerial = 0;
1258#endif
1259 /*
1260 * Resolve interface(s).
1261 */
1262 pThis->pIRhPort = PDMIBASE_QUERY_INTERFACE(pDrvIns->pUpBase, VUSBIROOTHUBPORT);
1263 AssertMsgReturn(pThis->pIRhPort, ("Configuration error: the device/driver above us doesn't expose any VUSBIROOTHUBPORT interface!\n"), VERR_PDM_MISSING_INTERFACE_ABOVE);
1264
1265 /*
1266 * Get number of ports and the availability bitmap.
1267 * ASSUME that the number of ports reported now at creation time is the max number.
1268 */
1269 pThis->Hub.cPorts = pThis->pIRhPort->pfnGetAvailablePorts(pThis->pIRhPort, &pThis->Bitmap);
1270 Log(("vusbRhConstruct: cPorts=%d\n", pThis->Hub.cPorts));
1271
1272 /*
1273 * Get the USB version of the attached HC.
1274 * ASSUME that version 2.0 implies high-speed.
1275 */
1276 pThis->fHcVersions = pThis->pIRhPort->pfnGetUSBVersions(pThis->pIRhPort);
1277 Log(("vusbRhConstruct: fHcVersions=%u\n", pThis->fHcVersions));
1278
1279 rc = vusbUrbPoolInit(&pThis->Hub.Dev.UrbPool);
1280 if (RT_FAILURE(rc))
1281 return rc;
1282
1283 if (pszCaptureFilename)
1284 {
1285 rc = VUSBSnifferCreate(&pThis->hSniffer, 0, pszCaptureFilename, NULL, NULL);
1286 if (RT_FAILURE(rc))
1287 return PDMDrvHlpVMSetError(pDrvIns, rc, RT_SRC_POS,
1288 N_("VUSBSniffer cannot open '%s' for writing. The directory must exist and it must be writable for the current user"),
1289 pszCaptureFilename);
1290
1291 MMR3HeapFree(pszCaptureFilename);
1292 }
1293
1294 /*
1295 * Register ourselves as a USB hub.
1296 * The current implementation uses the VUSBIRHCONFIG interface for communication.
1297 */
1298 PCPDMUSBHUBHLP pHlp; /* not used currently */
1299 rc = PDMDrvHlpUSBRegisterHub(pDrvIns, pThis->fHcVersions, pThis->Hub.cPorts, &g_vusbHubReg, &pHlp);
1300 if (RT_FAILURE(rc))
1301 return rc;
1302
1303 /*
1304 * Statistics. (It requires a 30" monitor or extremely tiny fonts to edit this "table".)
1305 */
1306#ifdef VBOX_WITH_STATISTICS
1307 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->Total.StatUrbsSubmitted, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_COUNT, "The number of URBs submitted.", "/VUSB/%d/UrbsSubmitted", pDrvIns->iInstance);
1308 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->aTypes[VUSBXFERTYPE_BULK].StatUrbsSubmitted, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_COUNT, "Bulk transfer.", "/VUSB/%d/UrbsSubmitted/Bulk", pDrvIns->iInstance);
1309 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->aTypes[VUSBXFERTYPE_CTRL].StatUrbsSubmitted, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_COUNT, "Control transfer.", "/VUSB/%d/UrbsSubmitted/Ctrl", pDrvIns->iInstance);
1310 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->aTypes[VUSBXFERTYPE_INTR].StatUrbsSubmitted, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_COUNT, "Interrupt transfer.", "/VUSB/%d/UrbsSubmitted/Intr", pDrvIns->iInstance);
1311 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->aTypes[VUSBXFERTYPE_ISOC].StatUrbsSubmitted, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_COUNT, "Isochronous transfer.", "/VUSB/%d/UrbsSubmitted/Isoc", pDrvIns->iInstance);
1312
1313 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->Total.StatUrbsCancelled, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_COUNT, "The number of URBs cancelled. (included in failed)", "/VUSB/%d/UrbsCancelled", pDrvIns->iInstance);
1314 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->aTypes[VUSBXFERTYPE_BULK].StatUrbsCancelled, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_COUNT, "Bulk transfer.", "/VUSB/%d/UrbsCancelled/Bulk", pDrvIns->iInstance);
1315 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->aTypes[VUSBXFERTYPE_CTRL].StatUrbsCancelled, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_COUNT, "Control transfer.", "/VUSB/%d/UrbsCancelled/Ctrl", pDrvIns->iInstance);
1316 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->aTypes[VUSBXFERTYPE_INTR].StatUrbsCancelled, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_COUNT, "Interrupt transfer.", "/VUSB/%d/UrbsCancelled/Intr", pDrvIns->iInstance);
1317 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->aTypes[VUSBXFERTYPE_ISOC].StatUrbsCancelled, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_COUNT, "Isochronous transfer.", "/VUSB/%d/UrbsCancelled/Isoc", pDrvIns->iInstance);
1318
1319 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->Total.StatUrbsFailed, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_COUNT, "The number of URBs failing.", "/VUSB/%d/UrbsFailed", pDrvIns->iInstance);
1320 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->aTypes[VUSBXFERTYPE_BULK].StatUrbsFailed, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_COUNT, "Bulk transfer.", "/VUSB/%d/UrbsFailed/Bulk", pDrvIns->iInstance);
1321 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->aTypes[VUSBXFERTYPE_CTRL].StatUrbsFailed, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_COUNT, "Control transfer.", "/VUSB/%d/UrbsFailed/Ctrl", pDrvIns->iInstance);
1322 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->aTypes[VUSBXFERTYPE_INTR].StatUrbsFailed, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_COUNT, "Interrupt transfer.", "/VUSB/%d/UrbsFailed/Intr", pDrvIns->iInstance);
1323 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->aTypes[VUSBXFERTYPE_ISOC].StatUrbsFailed, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_COUNT, "Isochronous transfer.", "/VUSB/%d/UrbsFailed/Isoc", pDrvIns->iInstance);
1324
1325 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->Total.StatReqBytes, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_BYTES, "Total requested transfer.", "/VUSB/%d/ReqBytes", pDrvIns->iInstance);
1326 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->aTypes[VUSBXFERTYPE_BULK].StatReqBytes, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_BYTES, "Bulk transfer.", "/VUSB/%d/ReqBytes/Bulk", pDrvIns->iInstance);
1327 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->aTypes[VUSBXFERTYPE_CTRL].StatReqBytes, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_BYTES, "Control transfer.", "/VUSB/%d/ReqBytes/Ctrl", pDrvIns->iInstance);
1328 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->aTypes[VUSBXFERTYPE_INTR].StatReqBytes, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_BYTES, "Interrupt transfer.", "/VUSB/%d/ReqBytes/Intr", pDrvIns->iInstance);
1329 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->aTypes[VUSBXFERTYPE_ISOC].StatReqBytes, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_BYTES, "Isochronous transfer.", "/VUSB/%d/ReqBytes/Isoc", pDrvIns->iInstance);
1330
1331 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->Total.StatReqReadBytes, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_BYTES, "Total requested read transfer.", "/VUSB/%d/ReqReadBytes", pDrvIns->iInstance);
1332 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->aTypes[VUSBXFERTYPE_BULK].StatReqReadBytes, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_BYTES, "Bulk transfer.", "/VUSB/%d/ReqReadBytes/Bulk", pDrvIns->iInstance);
1333 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->aTypes[VUSBXFERTYPE_CTRL].StatReqReadBytes, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_BYTES, "Control transfer.", "/VUSB/%d/ReqReadBytes/Ctrl", pDrvIns->iInstance);
1334 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->aTypes[VUSBXFERTYPE_INTR].StatReqReadBytes, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_BYTES, "Interrupt transfer.", "/VUSB/%d/ReqReadBytes/Intr", pDrvIns->iInstance);
1335 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->aTypes[VUSBXFERTYPE_ISOC].StatReqReadBytes, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_BYTES, "Isochronous transfer.", "/VUSB/%d/ReqReadBytes/Isoc", pDrvIns->iInstance);
1336
1337 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->Total.StatReqWriteBytes, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_BYTES, "Total requested write transfer.", "/VUSB/%d/ReqWriteBytes", pDrvIns->iInstance);
1338 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->aTypes[VUSBXFERTYPE_BULK].StatReqWriteBytes, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_BYTES, "Bulk transfer.", "/VUSB/%d/ReqWriteBytes/Bulk", pDrvIns->iInstance);
1339 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->aTypes[VUSBXFERTYPE_CTRL].StatReqWriteBytes, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_BYTES, "Control transfer.", "/VUSB/%d/ReqWriteBytes/Ctrl", pDrvIns->iInstance);
1340 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->aTypes[VUSBXFERTYPE_INTR].StatReqWriteBytes, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_BYTES, "Interrupt transfer.", "/VUSB/%d/ReqWriteBytes/Intr", pDrvIns->iInstance);
1341 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->aTypes[VUSBXFERTYPE_ISOC].StatReqWriteBytes, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_BYTES, "Isochronous transfer.", "/VUSB/%d/ReqWriteBytes/Isoc", pDrvIns->iInstance);
1342
1343 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->Total.StatActBytes, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_BYTES, "Actual total transfer.", "/VUSB/%d/ActBytes", pDrvIns->iInstance);
1344 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->aTypes[VUSBXFERTYPE_BULK].StatActBytes, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_BYTES, "Bulk transfer.", "/VUSB/%d/ActBytes/Bulk", pDrvIns->iInstance);
1345 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->aTypes[VUSBXFERTYPE_CTRL].StatActBytes, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_BYTES, "Control transfer.", "/VUSB/%d/ActBytes/Ctrl", pDrvIns->iInstance);
1346 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->aTypes[VUSBXFERTYPE_INTR].StatActBytes, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_BYTES, "Interrupt transfer.", "/VUSB/%d/ActBytes/Intr", pDrvIns->iInstance);
1347 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->aTypes[VUSBXFERTYPE_ISOC].StatActBytes, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_BYTES, "Isochronous transfer.", "/VUSB/%d/ActBytes/Isoc", pDrvIns->iInstance);
1348
1349 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->Total.StatActReadBytes, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_BYTES, "Actual total read transfer.", "/VUSB/%d/ActReadBytes", pDrvIns->iInstance);
1350 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->aTypes[VUSBXFERTYPE_BULK].StatActReadBytes, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_BYTES, "Bulk transfer.", "/VUSB/%d/ActReadBytes/Bulk", pDrvIns->iInstance);
1351 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->aTypes[VUSBXFERTYPE_CTRL].StatActReadBytes, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_BYTES, "Control transfer.", "/VUSB/%d/ActReadBytes/Ctrl", pDrvIns->iInstance);
1352 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->aTypes[VUSBXFERTYPE_INTR].StatActReadBytes, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_BYTES, "Interrupt transfer.", "/VUSB/%d/ActReadBytes/Intr", pDrvIns->iInstance);
1353 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->aTypes[VUSBXFERTYPE_ISOC].StatActReadBytes, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_BYTES, "Isochronous transfer.", "/VUSB/%d/ActReadBytes/Isoc", pDrvIns->iInstance);
1354
1355 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->Total.StatActWriteBytes, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_BYTES, "Actual total write transfer.", "/VUSB/%d/ActWriteBytes", pDrvIns->iInstance);
1356 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->aTypes[VUSBXFERTYPE_BULK].StatActWriteBytes, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_BYTES, "Bulk transfer.", "/VUSB/%d/ActWriteBytes/Bulk", pDrvIns->iInstance);
1357 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->aTypes[VUSBXFERTYPE_CTRL].StatActWriteBytes, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_BYTES, "Control transfer.", "/VUSB/%d/ActWriteBytes/Ctrl", pDrvIns->iInstance);
1358 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->aTypes[VUSBXFERTYPE_INTR].StatActWriteBytes, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_BYTES, "Interrupt transfer.", "/VUSB/%d/ActWriteBytes/Intr", pDrvIns->iInstance);
1359 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->aTypes[VUSBXFERTYPE_ISOC].StatActWriteBytes, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_BYTES, "Isochronous transfer.", "/VUSB/%d/ActWriteBytes/Isoc", pDrvIns->iInstance);
1360
1361 /* bulk */
1362 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->aTypes[VUSBXFERTYPE_BULK].StatUrbsSubmitted, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_COUNT, "Number of submitted URBs.", "/VUSB/%d/Bulk/Urbs", pDrvIns->iInstance);
1363 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->aTypes[VUSBXFERTYPE_BULK].StatUrbsFailed, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_COUNT, "Number of failed URBs.", "/VUSB/%d/Bulk/UrbsFailed", pDrvIns->iInstance);
1364 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->aTypes[VUSBXFERTYPE_BULK].StatUrbsCancelled, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_COUNT, "Number of cancelled URBs.", "/VUSB/%d/Bulk/UrbsFailed/Cancelled", pDrvIns->iInstance);
1365 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->aTypes[VUSBXFERTYPE_BULK].StatActBytes, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_BYTES, "Number of bytes transferred.", "/VUSB/%d/Bulk/ActBytes", pDrvIns->iInstance);
1366 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->aTypes[VUSBXFERTYPE_BULK].StatActReadBytes, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_BYTES, "Read.", "/VUSB/%d/Bulk/ActBytes/Read", pDrvIns->iInstance);
1367 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->aTypes[VUSBXFERTYPE_BULK].StatActWriteBytes, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_BYTES, "Write.", "/VUSB/%d/Bulk/ActBytes/Write", pDrvIns->iInstance);
1368 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->aTypes[VUSBXFERTYPE_BULK].StatReqBytes, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_BYTES, "Requested number of bytes.", "/VUSB/%d/Bulk/ReqBytes", pDrvIns->iInstance);
1369 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->aTypes[VUSBXFERTYPE_BULK].StatReqReadBytes, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_BYTES, "Read.", "/VUSB/%d/Bulk/ReqBytes/Read", pDrvIns->iInstance);
1370 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->aTypes[VUSBXFERTYPE_BULK].StatReqWriteBytes, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_BYTES, "Write.", "/VUSB/%d/Bulk/ReqBytes/Write", pDrvIns->iInstance);
1371
1372 /* control */
1373 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->aTypes[VUSBXFERTYPE_CTRL].StatUrbsSubmitted, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_COUNT, "Number of submitted URBs.", "/VUSB/%d/Ctrl/Urbs", pDrvIns->iInstance);
1374 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->aTypes[VUSBXFERTYPE_CTRL].StatUrbsFailed, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_COUNT, "Number of failed URBs.", "/VUSB/%d/Ctrl/UrbsFailed", pDrvIns->iInstance);
1375 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->aTypes[VUSBXFERTYPE_CTRL].StatUrbsCancelled, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_COUNT, "Number of cancelled URBs.", "/VUSB/%d/Ctrl/UrbsFailed/Cancelled", pDrvIns->iInstance);
1376 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->aTypes[VUSBXFERTYPE_CTRL].StatActBytes, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_BYTES, "Number of bytes transferred.", "/VUSB/%d/Ctrl/ActBytes", pDrvIns->iInstance);
1377 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->aTypes[VUSBXFERTYPE_CTRL].StatActReadBytes, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_BYTES, "Read.", "/VUSB/%d/Ctrl/ActBytes/Read", pDrvIns->iInstance);
1378 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->aTypes[VUSBXFERTYPE_CTRL].StatActWriteBytes, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_BYTES, "Write.", "/VUSB/%d/Ctrl/ActBytes/Write", pDrvIns->iInstance);
1379 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->aTypes[VUSBXFERTYPE_CTRL].StatReqBytes, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_BYTES, "Requested number of bytes.", "/VUSB/%d/Ctrl/ReqBytes", pDrvIns->iInstance);
1380 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->aTypes[VUSBXFERTYPE_CTRL].StatReqReadBytes, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_BYTES, "Read.", "/VUSB/%d/Ctrl/ReqBytes/Read", pDrvIns->iInstance);
1381 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->aTypes[VUSBXFERTYPE_CTRL].StatReqWriteBytes, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_BYTES, "Write.", "/VUSB/%d/Ctrl/ReqBytes/Write", pDrvIns->iInstance);
1382
1383 /* interrupt */
1384 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->aTypes[VUSBXFERTYPE_INTR].StatUrbsSubmitted, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_COUNT, "Number of submitted URBs.", "/VUSB/%d/Intr/Urbs", pDrvIns->iInstance);
1385 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->aTypes[VUSBXFERTYPE_INTR].StatUrbsFailed, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_COUNT, "Number of failed URBs.", "/VUSB/%d/Intr/UrbsFailed", pDrvIns->iInstance);
1386 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->aTypes[VUSBXFERTYPE_INTR].StatUrbsCancelled, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_COUNT, "Number of cancelled URBs.", "/VUSB/%d/Intr/UrbsFailed/Cancelled", pDrvIns->iInstance);
1387 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->aTypes[VUSBXFERTYPE_INTR].StatActBytes, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_BYTES, "Number of bytes transferred.", "/VUSB/%d/Intr/ActBytes", pDrvIns->iInstance);
1388 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->aTypes[VUSBXFERTYPE_INTR].StatActReadBytes, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_BYTES, "Read.", "/VUSB/%d/Intr/ActBytes/Read", pDrvIns->iInstance);
1389 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->aTypes[VUSBXFERTYPE_INTR].StatActWriteBytes, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_BYTES, "Write.", "/VUSB/%d/Intr/ActBytes/Write", pDrvIns->iInstance);
1390 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->aTypes[VUSBXFERTYPE_INTR].StatReqBytes, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_BYTES, "Requested number of bytes.", "/VUSB/%d/Intr/ReqBytes", pDrvIns->iInstance);
1391 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->aTypes[VUSBXFERTYPE_INTR].StatReqReadBytes, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_BYTES, "Read.", "/VUSB/%d/Intr/ReqBytes/Read", pDrvIns->iInstance);
1392 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->aTypes[VUSBXFERTYPE_INTR].StatReqWriteBytes, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_BYTES, "Write.", "/VUSB/%d/Intr/ReqBytes/Write", pDrvIns->iInstance);
1393
1394 /* isochronous */
1395 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->aTypes[VUSBXFERTYPE_ISOC].StatUrbsSubmitted, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_COUNT, "Number of submitted URBs.", "/VUSB/%d/Isoc/Urbs", pDrvIns->iInstance);
1396 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->aTypes[VUSBXFERTYPE_ISOC].StatUrbsFailed, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_COUNT, "Number of failed URBs.", "/VUSB/%d/Isoc/UrbsFailed", pDrvIns->iInstance);
1397 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->aTypes[VUSBXFERTYPE_ISOC].StatUrbsCancelled, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_COUNT, "Number of cancelled URBs.", "/VUSB/%d/Isoc/UrbsFailed/Cancelled", pDrvIns->iInstance);
1398 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->aTypes[VUSBXFERTYPE_ISOC].StatActBytes, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_BYTES, "Number of bytes transferred.", "/VUSB/%d/Isoc/ActBytes", pDrvIns->iInstance);
1399 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->aTypes[VUSBXFERTYPE_ISOC].StatActReadBytes, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_BYTES, "Read.", "/VUSB/%d/Isoc/ActBytes/Read", pDrvIns->iInstance);
1400 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->aTypes[VUSBXFERTYPE_ISOC].StatActWriteBytes, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_BYTES, "Write.", "/VUSB/%d/Isoc/ActBytes/Write", pDrvIns->iInstance);
1401 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->aTypes[VUSBXFERTYPE_ISOC].StatReqBytes, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_BYTES, "Requested number of bytes.", "/VUSB/%d/Isoc/ReqBytes", pDrvIns->iInstance);
1402 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->aTypes[VUSBXFERTYPE_ISOC].StatReqReadBytes, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_BYTES, "Read.", "/VUSB/%d/Isoc/ReqBytes/Read", pDrvIns->iInstance);
1403 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->aTypes[VUSBXFERTYPE_ISOC].StatReqWriteBytes, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_BYTES, "Write.", "/VUSB/%d/Isoc/ReqBytes/Write", pDrvIns->iInstance);
1404 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->StatIsocActPkts, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_COUNT, "Number of isochronous packets returning data.", "/VUSB/%d/Isoc/ActPkts", pDrvIns->iInstance);
1405 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->StatIsocActReadPkts, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_COUNT, "Read.", "/VUSB/%d/Isoc/ActPkts/Read", pDrvIns->iInstance);
1406 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->StatIsocActWritePkts, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_COUNT, "Write.", "/VUSB/%d/Isoc/ActPkts/Write", pDrvIns->iInstance);
1407 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->StatIsocReqPkts, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_COUNT, "Requested number of isochronous packets.", "/VUSB/%d/Isoc/ReqPkts", pDrvIns->iInstance);
1408 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->StatIsocReqReadPkts, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_COUNT, "Read.", "/VUSB/%d/Isoc/ReqPkts/Read", pDrvIns->iInstance);
1409 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->StatIsocReqWritePkts, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_COUNT, "Write.", "/VUSB/%d/Isoc/ReqPkts/Write", pDrvIns->iInstance);
1410
1411 for (unsigned i = 0; i < RT_ELEMENTS(pThis->aStatIsocDetails); i++)
1412 {
1413 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->aStatIsocDetails[i].Pkts, STAMTYPE_COUNTER, STAMVISIBILITY_USED, STAMUNIT_COUNT, ".", "/VUSB/%d/Isoc/%d", pDrvIns->iInstance, i);
1414 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->aStatIsocDetails[i].Ok, STAMTYPE_COUNTER, STAMVISIBILITY_USED, STAMUNIT_COUNT, ".", "/VUSB/%d/Isoc/%d/Ok", pDrvIns->iInstance, i);
1415 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->aStatIsocDetails[i].Ok0, STAMTYPE_COUNTER, STAMVISIBILITY_USED, STAMUNIT_COUNT, ".", "/VUSB/%d/Isoc/%d/Ok0", pDrvIns->iInstance, i);
1416 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->aStatIsocDetails[i].DataUnderrun, STAMTYPE_COUNTER, STAMVISIBILITY_USED, STAMUNIT_COUNT, ".", "/VUSB/%d/Isoc/%d/DataUnderrun", pDrvIns->iInstance, i);
1417 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->aStatIsocDetails[i].DataUnderrun0, STAMTYPE_COUNTER, STAMVISIBILITY_USED, STAMUNIT_COUNT, ".", "/VUSB/%d/Isoc/%d/DataUnderrun0", pDrvIns->iInstance, i);
1418 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->aStatIsocDetails[i].DataOverrun, STAMTYPE_COUNTER, STAMVISIBILITY_USED, STAMUNIT_COUNT, ".", "/VUSB/%d/Isoc/%d/DataOverrun", pDrvIns->iInstance, i);
1419 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->aStatIsocDetails[i].NotAccessed, STAMTYPE_COUNTER, STAMVISIBILITY_USED, STAMUNIT_COUNT, ".", "/VUSB/%d/Isoc/%d/NotAccessed", pDrvIns->iInstance, i);
1420 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->aStatIsocDetails[i].Misc, STAMTYPE_COUNTER, STAMVISIBILITY_USED, STAMUNIT_COUNT, ".", "/VUSB/%d/Isoc/%d/Misc", pDrvIns->iInstance, i);
1421 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->aStatIsocDetails[i].Bytes, STAMTYPE_COUNTER, STAMVISIBILITY_USED, STAMUNIT_BYTES, ".", "/VUSB/%d/Isoc/%d/Bytes", pDrvIns->iInstance, i);
1422 }
1423
1424 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->StatReapAsyncUrbs, STAMTYPE_PROFILE, STAMVISIBILITY_ALWAYS, STAMUNIT_OCCURENCES, "Profiling the vusbRhReapAsyncUrbs body (omitting calls when nothing is in-flight).", "/VUSB/%d/ReapAsyncUrbs", pDrvIns->iInstance);
1425 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->StatSubmitUrb, STAMTYPE_PROFILE, STAMVISIBILITY_ALWAYS, STAMUNIT_OCCURENCES, "Profiling the vusbRhSubmitUrb body.", "/VUSB/%d/SubmitUrb", pDrvIns->iInstance);
1426 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->StatFramesProcessedThread, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_OCCURENCES, "Processed frames in the dedicated thread", "/VUSB/%d/FramesProcessedThread", pDrvIns->iInstance);
1427 PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->StatFramesProcessedClbk, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_OCCURENCES, "Processed frames in the URB completion callback", "/VUSB/%d/FramesProcessedClbk", pDrvIns->iInstance);
1428#endif
1429 PDMDrvHlpSTAMRegisterF(pDrvIns, (void *)&pThis->Hub.Dev.UrbPool.cUrbsInPool, STAMTYPE_U32, STAMVISIBILITY_ALWAYS, STAMUNIT_COUNT, "The number of URBs in the pool.", "/VUSB/%d/cUrbsInPool", pDrvIns->iInstance);
1430
1431 return VINF_SUCCESS;
1432}
1433
1434
1435/**
1436 * VUSB Root Hub driver registration record.
1437 */
1438const PDMDRVREG g_DrvVUSBRootHub =
1439{
1440 /* u32Version */
1441 PDM_DRVREG_VERSION,
1442 /* szName */
1443 "VUSBRootHub",
1444 /* szRCMod */
1445 "",
1446 /* szR0Mod */
1447 "",
1448 /* pszDescription */
1449 "VUSB Root Hub Driver.",
1450 /* fFlags */
1451 PDM_DRVREG_FLAGS_HOST_BITS_DEFAULT,
1452 /* fClass. */
1453 PDM_DRVREG_CLASS_USB,
1454 /* cMaxInstances */
1455 ~0U,
1456 /* cbInstance */
1457 sizeof(VUSBROOTHUB),
1458 /* pfnConstruct */
1459 vusbRhConstruct,
1460 /* pfnDestruct */
1461 vusbRhDestruct,
1462 /* pfnRelocate */
1463 NULL,
1464 /* pfnIOCtl */
1465 NULL,
1466 /* pfnPowerOn */
1467 NULL,
1468 /* pfnReset */
1469 NULL,
1470 /* pfnSuspend */
1471 NULL,
1472 /* pfnResume */
1473 NULL,
1474 /* pfnAttach */
1475 NULL,
1476 /* pfnDetach */
1477 NULL,
1478 /* pfnPowerOff */
1479 NULL,
1480 /* pfnSoftReset */
1481 NULL,
1482 /* u32EndVersion */
1483 PDM_DRVREG_VERSION
1484};
1485
1486/*
1487 * Local Variables:
1488 * mode: c
1489 * c-file-style: "bsd"
1490 * c-basic-offset: 4
1491 * tab-width: 4
1492 * indent-tabs-mode: s
1493 * End:
1494 */
1495
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