/* $Id: USBProxyDevice-darwin.cpp $ */ /** @file * USB device proxy - the Darwin backend. */ /* * Copyright (C) 2006-2023 Oracle and/or its affiliates. * * This file is part of VirtualBox base platform packages, as * available from https://www.virtualbox.org. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation, in version 3 of the * License. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, see . * * SPDX-License-Identifier: GPL-3.0-only */ /********************************************************************************************************************************* * Header Files * *********************************************************************************************************************************/ #define LOG_GROUP LOG_GROUP_DRV_USBPROXY #define __STDC_LIMIT_MACROS #define __STDC_CONSTANT_MACROS #include #include #include #include #include #include #ifndef __MAC_10_10 /* Quick hack: The following two masks appeared in 10.10. */ # define kUSBReEnumerateReleaseDeviceMask RT_BIT_32(29) # define kUSBReEnumerateCaptureDeviceMask RT_BIT_32(30) #endif #include #include #include #include #include #include #include #include #include #include #include "../USBProxyDevice.h" #include /********************************************************************************************************************************* * Defined Constants And Macros * *********************************************************************************************************************************/ /** An experiment... */ //#define USE_LOW_LATENCY_API 1 /********************************************************************************************************************************* * Structures and Typedefs * *********************************************************************************************************************************/ /** Forward declaration of the Darwin interface structure. */ typedef struct USBPROXYIFOSX *PUSBPROXYIFOSX; /** * A low latency isochronous buffer. * * These are allocated in chunks on an interface level, see USBPROXYISOCBUFCOL. */ typedef struct USBPROXYISOCBUF { /** Whether this buffer is in use or not. */ bool volatile fUsed; /** Pointer to the buffer. */ void *pvBuf; /** Pointer to an array of 8 frames. */ IOUSBLowLatencyIsocFrame *paFrames; } USBPROXYISOCBUF, *PUSBPROXYISOCBUF; /** * Isochronous buffer collection (associated with an interface). * * These are allocated in decent sized chunks and there isn't supposed * to be too many of these per interface. */ typedef struct USBPROXYISOCBUFCOL { /** Write or Read buffers? */ USBLowLatencyBufferType enmType; /** The next buffer collection on this interface. */ struct USBPROXYISOCBUFCOL *pNext; /** The buffer. */ void *pvBuffer; /** The frame. */ void *pvFrames; /** The buffers. * The number of buffers here is decided by pvFrame begin allocated in * GUEST_PAGE_SIZE chunks. The size of IOUSBLowLatencyIsocFrame is 16 bytes * and we require 8 of those per buffer. GUEST_PAGE_SIZE / (16 * 8) = 32. * @remarks Don't allocate too many as it may temporarily halt the system if * some pool is low / exhausted. (Contiguous memory woes on mach.) */ USBPROXYISOCBUF aBuffers[/*32*/ 4]; } USBPROXYISOCBUFCOL, *PUSBPROXYISOCBUFCOL; AssertCompileSize(IOUSBLowLatencyIsocFrame, 16); /** * Per-urb data for the Darwin usb proxy backend. * * This is required to track in-flight and landed URBs * since we take down the URBs in a different thread (perhaps). */ typedef struct USBPROXYURBOSX { /** Pointer to the next Darwin URB. */ struct USBPROXYURBOSX *pNext; /** Pointer to the previous Darwin URB. */ struct USBPROXYURBOSX *pPrev; /** The millisecond timestamp when this URB was submitted. */ uint64_t u64SubmitTS; /** Pointer to the VUSB URB. * This is set to NULL if canceled. */ PVUSBURB pVUsbUrb; /** Pointer to the Darwin device. */ struct USBPROXYDEVOSX *pDevOsX; /** The transfer type. */ VUSBXFERTYPE enmType; /** Union with data depending on transfer type. */ union { /** The control message. */ IOUSBDevRequest ControlMsg; /** The Isochronous Data. */ struct { #ifdef USE_LOW_LATENCY_API /** The low latency isochronous buffer. */ PUSBPROXYISOCBUF pBuf; /** Array of frames parallel to the one in VUSBURB. (Same as pBuf->paFrames.) */ IOUSBLowLatencyIsocFrame *aFrames; #else /** Array of frames parallel to the one in VUSBURB. */ IOUSBIsocFrame aFrames[8]; #endif } Isoc; } u; } USBPROXYURBOSX, *PUSBPROXYURBOSX; /** * Per-pipe data for the Darwin usb proxy backend. */ typedef struct USBPROXYPIPEOSX { /** The endpoint number. */ uint8_t u8Endpoint; /** The IOKit pipe reference. */ uint8_t u8PipeRef; /** The pipe Transfer type type. */ uint8_t u8TransferType; /** The pipe direction. */ uint8_t u8Direction; /** The endpoint interval. (interrupt) */ uint8_t u8Interval; /** Full-speed device indicator (isochronous pipes only). */ bool fIsFullSpeed; /** The max packet size. */ uint16_t u16MaxPacketSize; /** The next frame number (isochronous pipes only). */ uint64_t u64NextFrameNo; } USBPROXYPIPEOSX, *PUSBPROXYPIPEOSX, **PPUSBPROXYPIPEOSX; typedef struct RUNLOOPREFLIST { RTLISTNODE List; CFRunLoopRef RunLoopRef; } RUNLOOPREFLIST, *PRUNLOOPREFLIST; typedef RUNLOOPREFLIST **PPRUNLOOPREFLIST; /** * Per-interface data for the Darwin usb proxy backend. */ typedef struct USBPROXYIFOSX { /** Pointer to the next interface. */ struct USBPROXYIFOSX *pNext; /** The interface number. */ uint8_t u8Interface; /** The current alternative interface setting. * This is used to skip unnecessary SetAltInterface calls. */ uint8_t u8AltSetting; /** The interface class. (not really used) */ uint8_t u8Class; /** The interface protocol. (not really used) */ uint8_t u8Protocol; /** The number of pipes. */ uint8_t cPipes; /** Array containing all the pipes. (Currently unsorted.) */ USBPROXYPIPEOSX aPipes[kUSBMaxPipes]; /** The IOUSBDeviceInterface. */ IOUSBInterfaceInterface245 **ppIfI; /** The run loop source for the async operations on the interface level. */ CFRunLoopSourceRef RunLoopSrcRef; /** List of isochronous buffer collections. * These are allocated on demand by the URB queuing routine and then recycled until the interface is destroyed. */ RTLISTANCHOR HeadOfRunLoopLst; PUSBPROXYISOCBUFCOL pIsocBufCols; } USBPROXYIFOSX, *PUSBPROXYIFOSX, **PPUSBPROXYIFOSX; /** Pointer to a pointer to an darwin interface. */ typedef USBPROXYIFOSX **PPUSBPROXYIFOSX; /** * Per-device Data for the Darwin usb proxy backend. */ typedef struct USBPROXYDEVOSX { /** The USB Device IOService object. */ io_object_t USBDevice; /** The IOUSBDeviceInterface. */ IOUSBDeviceInterface245 **ppDevI; /** The run loop source for the async operations on the device level * (i.e. the default control pipe stuff). */ CFRunLoopSourceRef RunLoopSrcRef; /** we want to add and remove RunLoopSourceRefs to run loop's of * every EMT thread participated in USB processing. */ RTLISTANCHOR HeadOfRunLoopLst; /** Pointer to the proxy device instance. */ PUSBPROXYDEV pProxyDev; /** Pointer to the first interface. */ PUSBPROXYIFOSX pIfHead; /** Pointer to the last interface. */ PUSBPROXYIFOSX pIfTail; /** Critical section protecting the lists. */ RTCRITSECT CritSect; /** The list of free Darwin URBs. Singly linked. */ PUSBPROXYURBOSX pFreeHead; /** The list of landed Darwin URBs. Doubly linked. * Only the split head will appear in this list. */ PUSBPROXYURBOSX pTaxingHead; /** The tail of the landed Darwin URBs. */ PUSBPROXYURBOSX pTaxingTail; /** Last reaper runloop reference, there can be only one runloop at a time. */ CFRunLoopRef hRunLoopReapingLast; /** Runloop source for waking up the reaper thread. */ CFRunLoopSourceRef hRunLoopSrcWakeRef; /** List of threads used for reaping which can be woken up. */ RTLISTANCHOR HeadOfRunLoopWakeLst; /** Runloop reference of the thread reaping. */ volatile CFRunLoopRef hRunLoopReaping; /** Flag whether the reaping thread is about the be waked. */ volatile bool fReapingThreadWake; } USBPROXYDEVOSX, *PUSBPROXYDEVOSX; /********************************************************************************************************************************* * Global Variables * *********************************************************************************************************************************/ static RTONCE g_usbProxyDarwinOnce = RTONCE_INITIALIZER; /** The runloop mode we use. * Since it's difficult to remove this, we leak it to prevent crashes. * @bugref{4407} */ static CFStringRef g_pRunLoopMode = NULL; /** The IO Master Port. * Not worth cleaning up. */ static mach_port_t g_MasterPort = MACH_PORT_NULL; /** * Init once callback that sets up g_MasterPort and g_pRunLoopMode. * * @returns IPRT status code. * * @param pvUser1 NULL, ignored. */ static DECLCALLBACK(int32_t) usbProxyDarwinInitOnce(void *pvUser1) { RT_NOREF(pvUser1); int rc; kern_return_t krc = IOMasterPort(MACH_PORT_NULL, &g_MasterPort); if (krc == KERN_SUCCESS) { g_pRunLoopMode = CFStringCreateWithCString(kCFAllocatorDefault, "VBoxUsbProxyMode", kCFStringEncodingUTF8); if (g_pRunLoopMode) return VINF_SUCCESS; rc = VERR_INTERNAL_ERROR_5; } else rc = RTErrConvertFromDarwin(krc); return rc; } /** * Kicks the reaper thread if it sleeps currently to respond to state changes * or to pick up completed URBs. * * @param pDevOsX The darwin device instance data. */ static void usbProxyDarwinReaperKick(PUSBPROXYDEVOSX pDevOsX) { CFRunLoopRef hRunLoopWake = (CFRunLoopRef)ASMAtomicReadPtr((void * volatile *)&pDevOsX->hRunLoopReaping); if (hRunLoopWake) { LogFlowFunc(("Waking runloop %p\n", hRunLoopWake)); CFRunLoopSourceSignal(pDevOsX->hRunLoopSrcWakeRef); CFRunLoopWakeUp(hRunLoopWake); } } /** * Adds Source ref to current run loop and adds it the list of runloops. */ static int usbProxyDarwinAddRunLoopRef(PRTLISTANCHOR pListHead, CFRunLoopSourceRef SourceRef) { AssertPtrReturn(pListHead, VERR_INVALID_PARAMETER); AssertReturn(CFRunLoopSourceIsValid(SourceRef), VERR_INVALID_PARAMETER); if (CFRunLoopContainsSource(CFRunLoopGetCurrent(), SourceRef, g_pRunLoopMode)) return VINF_SUCCESS; /* Add to the list */ PRUNLOOPREFLIST pListNode = (PRUNLOOPREFLIST)RTMemAllocZ(sizeof(RUNLOOPREFLIST)); if (!pListNode) return VERR_NO_MEMORY; pListNode->RunLoopRef = CFRunLoopGetCurrent(); CFRetain(pListNode->RunLoopRef); CFRetain(SourceRef); /* We want to be aware of releasing */ CFRunLoopAddSource(pListNode->RunLoopRef, SourceRef, g_pRunLoopMode); RTListInit(&pListNode->List); RTListAppend((PRTLISTNODE)pListHead, &pListNode->List); return VINF_SUCCESS; } /* * Removes all source reference from mode of run loop's we've registered them. * */ static int usbProxyDarwinRemoveSourceRefFromAllRunLoops(PRTLISTANCHOR pHead, CFRunLoopSourceRef SourceRef) { AssertPtrReturn(pHead, VERR_INVALID_PARAMETER); while (!RTListIsEmpty(pHead)) { PRUNLOOPREFLIST pNode = RTListGetFirst(pHead, RUNLOOPREFLIST, List); /* XXX: Should Release Reference? */ Assert(CFGetRetainCount(pNode->RunLoopRef)); CFRunLoopRemoveSource(pNode->RunLoopRef, SourceRef, g_pRunLoopMode); CFRelease(SourceRef); CFRelease(pNode->RunLoopRef); RTListNodeRemove(&pNode->List); RTMemFree(pNode); } return VINF_SUCCESS; } /** * Allocates a Darwin URB request structure. * * @returns Pointer to an active URB request. * @returns NULL on failure. * * @param pDevOsX The darwin proxy device. */ static PUSBPROXYURBOSX usbProxyDarwinUrbAlloc(PUSBPROXYDEVOSX pDevOsX) { PUSBPROXYURBOSX pUrbOsX; RTCritSectEnter(&pDevOsX->CritSect); /* * Try remove a Darwin URB from the free list, if none there allocate a new one. */ pUrbOsX = pDevOsX->pFreeHead; if (pUrbOsX) { pDevOsX->pFreeHead = pUrbOsX->pNext; RTCritSectLeave(&pDevOsX->CritSect); } else { RTCritSectLeave(&pDevOsX->CritSect); pUrbOsX = (PUSBPROXYURBOSX)RTMemAlloc(sizeof(*pUrbOsX)); if (!pUrbOsX) return NULL; } pUrbOsX->pVUsbUrb = NULL; pUrbOsX->pDevOsX = pDevOsX; pUrbOsX->enmType = VUSBXFERTYPE_INVALID; return pUrbOsX; } #ifdef USE_LOW_LATENCY_API /** * Allocates an low latency isochronous buffer. * * @returns VBox status code. * @param pUrbOsX The OsX URB to allocate it for. * @param pIf The interface to allocated it from. */ static int usbProxyDarwinUrbAllocIsocBuf(PUSBPROXYURBOSX pUrbOsX, PUSBPROXYIFOSX pIf) { USBLowLatencyBufferType enmLLType = pUrbOsX->pVUsbUrb->enmDir == VUSBDIRECTION_IN ? kUSBLowLatencyWriteBuffer : kUSBLowLatencyReadBuffer; /* * Walk the buffer collection list and look for an unused one. */ pUrbOsX->u.Isoc.pBuf = NULL; for (PUSBPROXYISOCBUFCOL pCur = pIf->pIsocBufCols; pCur; pCur = pCur->pNext) if (pCur->enmType == enmLLType) for (unsigned i = 0; i < RT_ELEMENTS(pCur->aBuffers); i++) if (!pCur->aBuffers[i].fUsed) { pCur->aBuffers[i].fUsed = true; pUrbOsX->u.Isoc.pBuf = &pCur->aBuffers[i]; AssertPtr(pUrbOsX->u.Isoc.pBuf); AssertPtr(pUrbOsX->u.Isoc.pBuf->pvBuf); pUrbOsX->u.Isoc.aFrames = pCur->aBuffers[i].paFrames; AssertPtr(pUrbOsX->u.Isoc.aFrames); return VINF_SUCCESS; } /* * Didn't find an empty one, create a new buffer collection and take the first buffer. */ PUSBPROXYISOCBUFCOL pNew = (PUSBPROXYISOCBUFCOL)RTMemAllocZ(sizeof(*pNew)); AssertReturn(pNew, VERR_NO_MEMORY); IOReturn irc = (*pIf->ppIfI)->LowLatencyCreateBuffer(pIf->ppIfI, &pNew->pvBuffer, 8192 * RT_ELEMENTS(pNew->aBuffers), enmLLType); if ((irc == kIOReturnSuccess) != RT_VALID_PTR(pNew->pvBuffer)) { AssertPtr(pNew->pvBuffer); irc = kIOReturnNoMemory; } if (irc == kIOReturnSuccess) { /** @todo GUEST_PAGE_SIZE or HOST_PAGE_SIZE or just 4K? */ irc = (*pIf->ppIfI)->LowLatencyCreateBuffer(pIf->ppIfI, &pNew->pvFrames, GUEST_PAGE_SIZE, kUSBLowLatencyFrameListBuffer); if ((irc == kIOReturnSuccess) != RT_VALID_PTR(pNew->pvFrames)) { AssertPtr(pNew->pvFrames); irc = kIOReturnNoMemory; } if (irc == kIOReturnSuccess) { for (unsigned i = 0; i < RT_ELEMENTS(pNew->aBuffers); i++) { //pNew->aBuffers[i].fUsed = false; pNew->aBuffers[i].paFrames = &((IOUSBLowLatencyIsocFrame *)pNew->pvFrames)[i * 8]; pNew->aBuffers[i].pvBuf = (uint8_t *)pNew->pvBuffer + i * 8192; } pNew->aBuffers[0].fUsed = true; pUrbOsX->u.Isoc.aFrames = pNew->aBuffers[0].paFrames; pUrbOsX->u.Isoc.pBuf = &pNew->aBuffers[0]; pNew->enmType = enmLLType; pNew->pNext = pIf->pIsocBufCols; pIf->pIsocBufCols = pNew; #if 0 /* doesn't help :-/ */ /* * If this is the first time we're here, try mess with the policy? */ if (!pNew->pNext) for (unsigned iPipe = 0; iPipe < pIf->cPipes; iPipe++) if (pIf->aPipes[iPipe].u8TransferType == kUSBIsoc) { irc = (*pIf->ppIfI)->SetPipePolicy(pIf->ppIfI, pIf->aPipes[iPipe].u8PipeRef, pIf->aPipes[iPipe].u16MaxPacketSize, pIf->aPipes[iPipe].u8Interval); AssertMsg(irc == kIOReturnSuccess, ("%#x\n", irc)); } #endif return VINF_SUCCESS; } /* bail out */ (*pIf->ppIfI)->LowLatencyDestroyBuffer(pIf->ppIfI, pNew->pvBuffer); } AssertMsgFailed(("%#x\n", irc)); RTMemFree(pNew); return RTErrConvertFromDarwin(irc); } #endif /* USE_LOW_LATENCY_API */ /** * Frees a Darwin URB request structure. * * @param pDevOsX The darwin proxy device. * @param pUrbOsX The Darwin URB to free. */ static void usbProxyDarwinUrbFree(PUSBPROXYDEVOSX pDevOsX, PUSBPROXYURBOSX pUrbOsX) { RTCritSectEnter(&pDevOsX->CritSect); #ifdef USE_LOW_LATENCY_API /* * Free low latency stuff. */ if ( pUrbOsX->enmType == VUSBXFERTYPE_ISOC && pUrbOsX->u.Isoc.pBuf) { pUrbOsX->u.Isoc.pBuf->fUsed = false; pUrbOsX->u.Isoc.pBuf = NULL; } #endif /* * Link it into the free list. */ pUrbOsX->pPrev = NULL; pUrbOsX->pNext = pDevOsX->pFreeHead; pDevOsX->pFreeHead = pUrbOsX; pUrbOsX->pVUsbUrb = NULL; pUrbOsX->pDevOsX = NULL; pUrbOsX->enmType = VUSBXFERTYPE_INVALID; RTCritSectLeave(&pDevOsX->CritSect); } /** * Translate the IOKit status code to a VUSB status. * * @returns VUSB URB status code. * @param irc IOKit status code. */ static VUSBSTATUS vusbProxyDarwinStatusToVUsbStatus(IOReturn irc) { switch (irc) { /* IOKit OHCI VUSB */ case kIOReturnSuccess: /* 0 */ return VUSBSTATUS_OK; case kIOUSBCRCErr: /* 1 */ return VUSBSTATUS_CRC; //case kIOUSBBitstufErr: /* 2 */ return VUSBSTATUS_; //case kIOUSBDataToggleErr: /* 3 */ return VUSBSTATUS_; case kIOUSBPipeStalled: /* 4 */ return VUSBSTATUS_STALL; case kIOReturnNotResponding: /* 5 */ return VUSBSTATUS_DNR; //case kIOUSBPIDCheckErr: /* 6 */ return VUSBSTATUS_; //case kIOUSBWrongPIDErr: /* 7 */ return VUSBSTATUS_; case kIOReturnOverrun: /* 8 */ return VUSBSTATUS_DATA_OVERRUN; case kIOReturnUnderrun: /* 9 */ return VUSBSTATUS_DATA_UNDERRUN; //case kIOUSBReserved1Err: /* 10 */ return VUSBSTATUS_; //case kIOUSBReserved2Err: /* 11 */ return VUSBSTATUS_; //case kIOUSBBufferOverrunErr: /* 12 */ return VUSBSTATUS_; //case kIOUSBBufferUnderrunErr: /* 13 */ return VUSBSTATUS_; case kIOUSBNotSent1Err: /* 14 */ return VUSBSTATUS_NOT_ACCESSED/*VUSBSTATUS_OK*/; case kIOUSBNotSent2Err: /* 15 */ return VUSBSTATUS_NOT_ACCESSED/*VUSBSTATUS_OK*/; /* Other errors */ case kIOUSBTransactionTimeout: return VUSBSTATUS_DNR; //case kIOReturnAborted: return VUSBSTATUS_CRC; - see on SET_INTERFACE... default: Log(("vusbProxyDarwinStatusToVUsbStatus: irc=%#x!!\n", irc)); return VUSBSTATUS_STALL; } } /** * Completion callback for an async URB transfer. * * @param pvUrbOsX The Darwin URB. * @param irc The status of the operation. * @param Size Possible the transfer size. */ static void usbProxyDarwinUrbAsyncComplete(void *pvUrbOsX, IOReturn irc, void *Size) { PUSBPROXYURBOSX pUrbOsX = (PUSBPROXYURBOSX)pvUrbOsX; PUSBPROXYDEVOSX pDevOsX = pUrbOsX->pDevOsX; const uint32_t cb = (uintptr_t)Size; /* * Do status updates. */ PVUSBURB pUrb = pUrbOsX->pVUsbUrb; if (pUrb) { Assert(pUrb->u32Magic == VUSBURB_MAGIC); if (pUrb->enmType == VUSBXFERTYPE_ISOC) { #ifdef USE_LOW_LATENCY_API /* copy the data. */ //if (pUrb->enmDir == VUSBDIRECTION_IN) memcpy(pUrb->abData, pUrbOsX->u.Isoc.pBuf->pvBuf, pUrb->cbData); #endif Log3(("AsyncComplete isoc - raw data (%d bytes):\n" "%16.*Rhxd\n", pUrb->cbData, pUrb->cbData, pUrb->abData)); uint32_t off = 0; for (unsigned i = 0; i < pUrb->cIsocPkts; i++) { #ifdef USE_LOW_LATENCY_API Log2((" %d{%d/%d-%x-%RX64}", i, pUrbOsX->u.Isoc.aFrames[i].frActCount, pUrb->aIsocPkts[i].cb, pUrbOsX->u.Isoc.aFrames[i].frStatus, RT_MAKE_U64(pUrbOsX->u.Isoc.aFrames[i].frTimeStamp.lo, pUrbOsX->u.Isoc.aFrames[i].frTimeStamp.hi) )); #else Log2((" %d{%d/%d-%x}", i, pUrbOsX->u.Isoc.aFrames[i].frActCount, pUrb->aIsocPkts[i].cb, pUrbOsX->u.Isoc.aFrames[i].frStatus)); #endif pUrb->aIsocPkts[i].enmStatus = vusbProxyDarwinStatusToVUsbStatus(pUrbOsX->u.Isoc.aFrames[i].frStatus); pUrb->aIsocPkts[i].cb = pUrbOsX->u.Isoc.aFrames[i].frActCount; off += pUrbOsX->u.Isoc.aFrames[i].frActCount; } Log2(("\n")); #if 0 /** @todo revisit this, wasn't working previously. */ for (int i = (int)pUrb->cIsocPkts - 1; i >= 0; i--) Assert( !pUrbOsX->u.Isoc.aFrames[i].frActCount && !pUrbOsX->u.Isoc.aFrames[i].frReqCount && !pUrbOsX->u.Isoc.aFrames[i].frStatus); #endif pUrb->cbData = off; /* 'Size' seems to be pointing at an error code or something... */ pUrb->enmStatus = VUSBSTATUS_OK; /* Don't use 'irc'. OHCI expects OK unless it's a really bad error. */ } else { pUrb->cbData = cb; pUrb->enmStatus = vusbProxyDarwinStatusToVUsbStatus(irc); if (pUrb->enmType == VUSBXFERTYPE_MSG) pUrb->cbData += sizeof(VUSBSETUP); } } RTCritSectEnter(&pDevOsX->CritSect); /* * Link it into the taxing list. */ pUrbOsX->pNext = NULL; pUrbOsX->pPrev = pDevOsX->pTaxingTail; if (pDevOsX->pTaxingTail) pDevOsX->pTaxingTail->pNext = pUrbOsX; else pDevOsX->pTaxingHead = pUrbOsX; pDevOsX->pTaxingTail = pUrbOsX; RTCritSectLeave(&pDevOsX->CritSect); LogFlow(("%s: usbProxyDarwinUrbAsyncComplete: cb=%d EndPt=%#x irc=%#x (%d)\n", pUrb->pszDesc, cb, pUrb ? pUrb->EndPt : 0xff, irc, pUrb ? pUrb->enmStatus : 0xff)); } /** * Release all interfaces (current config). * * @param pDevOsX The darwin proxy device. */ static void usbProxyDarwinReleaseAllInterfaces(PUSBPROXYDEVOSX pDevOsX) { RTCritSectEnter(&pDevOsX->CritSect); /* Kick the reaper thread out of sleep. */ usbProxyDarwinReaperKick(pDevOsX); PUSBPROXYIFOSX pIf = pDevOsX->pIfHead; pDevOsX->pIfHead = pDevOsX->pIfTail = NULL; while (pIf) { PUSBPROXYIFOSX pNext = pIf->pNext; IOReturn irc; if (pIf->RunLoopSrcRef) { int rc = usbProxyDarwinRemoveSourceRefFromAllRunLoops((PRTLISTANCHOR)&pIf->HeadOfRunLoopLst, pIf->RunLoopSrcRef); AssertRC(rc); CFRelease(pIf->RunLoopSrcRef); pIf->RunLoopSrcRef = NULL; RTListInit((PRTLISTNODE)&pIf->HeadOfRunLoopLst); } while (pIf->pIsocBufCols) { PUSBPROXYISOCBUFCOL pCur = pIf->pIsocBufCols; pIf->pIsocBufCols = pCur->pNext; pCur->pNext = NULL; irc = (*pIf->ppIfI)->LowLatencyDestroyBuffer(pIf->ppIfI, pCur->pvBuffer); AssertMsg(irc == kIOReturnSuccess || irc == MACH_SEND_INVALID_DEST, ("%#x\n", irc)); pCur->pvBuffer = NULL; irc = (*pIf->ppIfI)->LowLatencyDestroyBuffer(pIf->ppIfI, pCur->pvFrames); AssertMsg(irc == kIOReturnSuccess || irc == MACH_SEND_INVALID_DEST, ("%#x\n", irc)); pCur->pvFrames = NULL; RTMemFree(pCur); } irc = (*pIf->ppIfI)->USBInterfaceClose(pIf->ppIfI); AssertMsg(irc == kIOReturnSuccess || irc == kIOReturnNoDevice, ("%#x\n", irc)); (*pIf->ppIfI)->Release(pIf->ppIfI); pIf->ppIfI = NULL; RTMemFree(pIf); pIf = pNext; } RTCritSectLeave(&pDevOsX->CritSect); } /** * Get the properties all the pipes associated with an interface. * * This is used when we seize all the interface and after SET_INTERFACE. * * @returns VBox status code. * @param pDevOsX The darwin proxy device. * @param pIf The interface to get pipe props for. */ static int usbProxyDarwinGetPipeProperties(PUSBPROXYDEVOSX pDevOsX, PUSBPROXYIFOSX pIf) { /* * Get the pipe (endpoint) count (it might have changed - even on open). */ int rc = VINF_SUCCESS; bool fFullSpeed; UInt32 u32UsecInFrame; UInt8 cPipes; IOReturn irc = (*pIf->ppIfI)->GetNumEndpoints(pIf->ppIfI, &cPipes); if (irc != kIOReturnSuccess) { pIf->cPipes = 0; if (irc == kIOReturnNoDevice) rc = VERR_VUSB_DEVICE_NOT_ATTACHED; else rc = RTErrConvertFromDarwin(irc); return rc; } AssertRelease(cPipes < RT_ELEMENTS(pIf->aPipes)); pIf->cPipes = cPipes + 1; /* Find out if this is a full-speed interface (needed for isochronous support). */ irc = (*pIf->ppIfI)->GetFrameListTime(pIf->ppIfI, &u32UsecInFrame); if (irc != kIOReturnSuccess) { pIf->cPipes = 0; if (irc == kIOReturnNoDevice) rc = VERR_VUSB_DEVICE_NOT_ATTACHED; else rc = RTErrConvertFromDarwin(irc); return rc; } fFullSpeed = u32UsecInFrame == kUSBFullSpeedMicrosecondsInFrame; /* * Get the properties of each pipe. */ for (unsigned i = 0; i < pIf->cPipes; i++) { pIf->aPipes[i].u8PipeRef = i; pIf->aPipes[i].fIsFullSpeed = fFullSpeed; pIf->aPipes[i].u64NextFrameNo = 0; irc = (*pIf->ppIfI)->GetPipeProperties(pIf->ppIfI, i, &pIf->aPipes[i].u8Direction, &pIf->aPipes[i].u8Endpoint, &pIf->aPipes[i].u8TransferType, &pIf->aPipes[i].u16MaxPacketSize, &pIf->aPipes[i].u8Interval); if (irc != kIOReturnSuccess) { LogRel(("USB: Failed to query properties for pipe %#d / interface %#x on device '%s'. (prot=%#x class=%#x)\n", i, pIf->u8Interface, pDevOsX->pProxyDev->pUsbIns->pszName, pIf->u8Protocol, pIf->u8Class)); if (irc == kIOReturnNoDevice) rc = VERR_VUSB_DEVICE_NOT_ATTACHED; else rc = RTErrConvertFromDarwin(irc); pIf->cPipes = i; break; } /* reconstruct bEndpoint */ if (pIf->aPipes[i].u8Direction == kUSBIn) pIf->aPipes[i].u8Endpoint |= 0x80; Log2(("usbProxyDarwinGetPipeProperties: #If=%d EndPt=%#x Dir=%d Type=%d PipeRef=%#x MaxPktSize=%#x Interval=%#x\n", pIf->u8Interface, pIf->aPipes[i].u8Endpoint, pIf->aPipes[i].u8Direction, pIf->aPipes[i].u8TransferType, pIf->aPipes[i].u8PipeRef, pIf->aPipes[i].u16MaxPacketSize, pIf->aPipes[i].u8Interval)); } /** @todo sort or hash these for speedy lookup... */ return VINF_SUCCESS; } /** * Seize all interfaces (current config). * * @returns VBox status code. * @param pDevOsX The darwin proxy device. * @param fMakeTheBestOfIt If set we will not give up on error. This is for * use during SET_CONFIGURATION and similar. */ static int usbProxyDarwinSeizeAllInterfaces(PUSBPROXYDEVOSX pDevOsX, bool fMakeTheBestOfIt) { PUSBPROXYDEV pProxyDev = pDevOsX->pProxyDev; RTCritSectEnter(&pDevOsX->CritSect); /* * Create a interface enumerator for all the interface (current config). */ io_iterator_t Interfaces = IO_OBJECT_NULL; IOUSBFindInterfaceRequest Req; Req.bInterfaceClass = kIOUSBFindInterfaceDontCare; Req.bInterfaceSubClass = kIOUSBFindInterfaceDontCare; Req.bInterfaceProtocol = kIOUSBFindInterfaceDontCare; Req.bAlternateSetting = kIOUSBFindInterfaceDontCare; IOReturn irc = (*pDevOsX->ppDevI)->CreateInterfaceIterator(pDevOsX->ppDevI, &Req, &Interfaces); int rc; if (irc == kIOReturnSuccess) { /* * Iterate the interfaces. */ io_object_t Interface; rc = VINF_SUCCESS; while ((Interface = IOIteratorNext(Interfaces))) { /* * Create a plug-in and query the IOUSBInterfaceInterface (cute name). */ IOCFPlugInInterface **ppPlugInInterface = NULL; kern_return_t krc; SInt32 Score = 0; krc = IOCreatePlugInInterfaceForService(Interface, kIOUSBInterfaceUserClientTypeID, kIOCFPlugInInterfaceID, &ppPlugInInterface, &Score); IOObjectRelease(Interface); Interface = IO_OBJECT_NULL; if (krc == KERN_SUCCESS) { IOUSBInterfaceInterface245 **ppIfI; HRESULT hrc = (*ppPlugInInterface)->QueryInterface(ppPlugInInterface, CFUUIDGetUUIDBytes(kIOUSBInterfaceInterfaceID245), (LPVOID *)&ppIfI); krc = IODestroyPlugInInterface(ppPlugInInterface); Assert(krc == KERN_SUCCESS); ppPlugInInterface = NULL; if (hrc == S_OK) { /* * Query some basic properties first. * (This means we can print more informative messages on failure * to seize the interface.) */ UInt8 u8Interface = 0xff; irc = (*ppIfI)->GetInterfaceNumber(ppIfI, &u8Interface); UInt8 u8AltSetting = 0xff; if (irc == kIOReturnSuccess) irc = (*ppIfI)->GetAlternateSetting(ppIfI, &u8AltSetting); UInt8 u8Class = 0xff; if (irc == kIOReturnSuccess) irc = (*ppIfI)->GetInterfaceClass(ppIfI, &u8Class); UInt8 u8Protocol = 0xff; if (irc == kIOReturnSuccess) irc = (*ppIfI)->GetInterfaceProtocol(ppIfI, &u8Protocol); UInt8 cEndpoints = 0; if (irc == kIOReturnSuccess) irc = (*ppIfI)->GetNumEndpoints(ppIfI, &cEndpoints); if (irc == kIOReturnSuccess) { /* * Try seize the interface. */ irc = (*ppIfI)->USBInterfaceOpenSeize(ppIfI); if (irc == kIOReturnSuccess) { PUSBPROXYIFOSX pIf = (PUSBPROXYIFOSX)RTMemAllocZ(sizeof(*pIf)); if (pIf) { /* * Create the per-interface entry and query the * endpoint data. */ /* initialize the entry */ pIf->u8Interface = u8Interface; pIf->u8AltSetting = u8AltSetting; pIf->u8Class = u8Class; pIf->u8Protocol = u8Protocol; pIf->cPipes = cEndpoints; pIf->ppIfI = ppIfI; /* query pipe/endpoint properties. */ rc = usbProxyDarwinGetPipeProperties(pDevOsX, pIf); if (RT_SUCCESS(rc)) { /* * Create the async event source and add it to the * default current run loop. * (Later: Add to the worker thread run loop instead.) */ irc = (*ppIfI)->CreateInterfaceAsyncEventSource(ppIfI, &pIf->RunLoopSrcRef); if (irc == kIOReturnSuccess) { RTListInit((PRTLISTNODE)&pIf->HeadOfRunLoopLst); usbProxyDarwinAddRunLoopRef(&pIf->HeadOfRunLoopLst, pIf->RunLoopSrcRef); /* * Just link the interface into the list and we're good. */ pIf->pNext = NULL; Log(("USB: Seized interface %#x (alt=%d prot=%#x class=%#x)\n", u8Interface, u8AltSetting, u8Protocol, u8Class)); if (pDevOsX->pIfTail) pDevOsX->pIfTail = pDevOsX->pIfTail->pNext = pIf; else pDevOsX->pIfTail = pDevOsX->pIfHead = pIf; continue; } rc = RTErrConvertFromDarwin(irc); } /* failure cleanup. */ RTMemFree(pIf); } } else if (irc == kIOReturnExclusiveAccess) { LogRel(("USB: Interface %#x on device '%s' is being used by another process. (prot=%#x class=%#x)\n", u8Interface, pProxyDev->pUsbIns->pszName, u8Protocol, u8Class)); rc = VERR_SHARING_VIOLATION; } else { LogRel(("USB: Failed to open interface %#x on device '%s'. (prot=%#x class=%#x) krc=%#x\n", u8Interface, pProxyDev->pUsbIns->pszName, u8Protocol, u8Class, irc)); rc = VERR_OPEN_FAILED; } } else { rc = RTErrConvertFromDarwin(irc); LogRel(("USB: Failed to query interface properties on device '%s', irc=%#x.\n", pProxyDev->pUsbIns->pszName, irc)); } (*ppIfI)->Release(ppIfI); ppIfI = NULL; } else if (RT_SUCCESS(rc)) rc = RTErrConvertFromDarwinCOM(hrc); } else if (RT_SUCCESS(rc)) rc = RTErrConvertFromDarwin(krc); if (!fMakeTheBestOfIt) { usbProxyDarwinReleaseAllInterfaces(pDevOsX); break; } } /* iterate */ IOObjectRelease(Interfaces); } else if (irc == kIOReturnNoDevice) rc = VERR_VUSB_DEVICE_NOT_ATTACHED; else { AssertMsgFailed(("%#x\n", irc)); rc = VERR_GENERAL_FAILURE; } RTCritSectLeave(&pDevOsX->CritSect); return rc; } /** * Find a particular interface. * * @returns The requested interface or NULL if not found. * @param pDevOsX The darwin proxy device. * @param u8Interface The interface number. */ static PUSBPROXYIFOSX usbProxyDarwinGetInterface(PUSBPROXYDEVOSX pDevOsX, uint8_t u8Interface) { if (!pDevOsX->pIfHead) usbProxyDarwinSeizeAllInterfaces(pDevOsX, true /* make the best out of it */); PUSBPROXYIFOSX pIf; for (pIf = pDevOsX->pIfHead; pIf; pIf = pIf->pNext) if (pIf->u8Interface == u8Interface) return pIf; /* AssertMsgFailed(("Cannot find If#=%d\n", u8Interface)); - the 3rd quickcam interface is capture by the ****ing audio crap. */ return NULL; } /** * Find a particular endpoint. * * @returns The requested interface or NULL if not found. * @param pDevOsX The darwin proxy device. * @param u8Endpoint The endpoint. * @param pu8PipeRef Where to store the darwin pipe ref. * @param ppPipe Where to store the darwin pipe pointer. (optional) */ static PUSBPROXYIFOSX usbProxyDarwinGetInterfaceForEndpoint(PUSBPROXYDEVOSX pDevOsX, uint8_t u8Endpoint, uint8_t *pu8PipeRef, PPUSBPROXYPIPEOSX ppPipe) { if (!pDevOsX->pIfHead) usbProxyDarwinSeizeAllInterfaces(pDevOsX, true /* make the best out of it */); PUSBPROXYIFOSX pIf; for (pIf = pDevOsX->pIfHead; pIf; pIf = pIf->pNext) { unsigned i = pIf->cPipes; while (i-- > 0) if (pIf->aPipes[i].u8Endpoint == u8Endpoint) { *pu8PipeRef = pIf->aPipes[i].u8PipeRef; if (ppPipe) *ppPipe = &pIf->aPipes[i]; return pIf; } } AssertMsgFailed(("Cannot find EndPt=%#x\n", u8Endpoint)); return NULL; } /** * Gets an unsigned 32-bit integer value. * * @returns Success indicator (true/false). * @param DictRef The dictionary. * @param KeyStrRef The key name. * @param pu32 Where to store the key value. */ static bool usbProxyDarwinDictGetU32(CFMutableDictionaryRef DictRef, CFStringRef KeyStrRef, uint32_t *pu32) { CFTypeRef ValRef = CFDictionaryGetValue(DictRef, KeyStrRef); if (ValRef) { if (CFNumberGetValue((CFNumberRef)ValRef, kCFNumberSInt32Type, pu32)) return true; } *pu32 = 0; return false; } /** * Gets an unsigned 64-bit integer value. * * @returns Success indicator (true/false). * @param DictRef The dictionary. * @param KeyStrRef The key name. * @param pu64 Where to store the key value. */ static bool usbProxyDarwinDictGetU64(CFMutableDictionaryRef DictRef, CFStringRef KeyStrRef, uint64_t *pu64) { CFTypeRef ValRef = CFDictionaryGetValue(DictRef, KeyStrRef); if (ValRef) { if (CFNumberGetValue((CFNumberRef)ValRef, kCFNumberSInt64Type, pu64)) return true; } *pu64 = 0; return false; } static DECLCALLBACK(void) usbProxyDarwinPerformWakeup(void *pInfo) { RT_NOREF(pInfo); return; } /* -=-=-=-=-=- The exported methods -=-=-=-=-=- */ /** * Opens the USB Device. * * @returns VBox status code. * @param pProxyDev The device instance. * @param pszAddress The session id and/or location id of the device to open. * The format of this string is something iokit.c in Main defines, currently * it's sequences of "[l|s]=" separated by ";". */ static DECLCALLBACK(int) usbProxyDarwinOpen(PUSBPROXYDEV pProxyDev, const char *pszAddress) { LogFlow(("usbProxyDarwinOpen: pProxyDev=%p pszAddress=%s\n", pProxyDev, pszAddress)); /* * Init globals once. */ int vrc = RTOnce(&g_usbProxyDarwinOnce, usbProxyDarwinInitOnce, NULL); AssertRCReturn(vrc, vrc); PUSBPROXYDEVOSX pDevOsX = USBPROXYDEV_2_DATA(pProxyDev, PUSBPROXYDEVOSX); /* * The idea here was to create a matching directory with the sessionID * and locationID included, however this doesn't seem to work. So, we'll * use the product id and vendor id to limit the set of matching device * and manually match these two properties. sigh. * (Btw. vendor and product id must be used *together* apparently.) * * Wonder if we could use the entry path? Docs indicates says we must * use IOServiceGetMatchingServices and I'm not in a mood to explore * this subject further right now. Maybe check this later. */ CFMutableDictionaryRef RefMatchingDict = IOServiceMatching(kIOUSBDeviceClassName); AssertReturn(RefMatchingDict != NULL, VERR_OPEN_FAILED); uint64_t u64SessionId = 0; uint32_t u32LocationId = 0; const char *psz = pszAddress; do { const char chValue = *psz; AssertReleaseReturn(psz[1] == '=', VERR_INTERNAL_ERROR); uint64_t u64Value; int rc = RTStrToUInt64Ex(psz + 2, (char **)&psz, 0, &u64Value); AssertReleaseRCReturn(rc, rc); AssertReleaseReturn(!*psz || *psz == ';', rc); switch (chValue) { case 'l': u32LocationId = (uint32_t)u64Value; break; case 's': u64SessionId = u64Value; break; case 'p': case 'v': { #if 0 /* Guess what, this doesn't 'ing work either! */ SInt32 i32 = (int16_t)u64Value; CFNumberRef Num = CFNumberCreate(kCFAllocatorDefault, kCFNumberSInt32Type, &i32); AssertBreak(Num); CFDictionarySetValue(RefMatchingDict, chValue == 'p' ? CFSTR(kUSBProductID) : CFSTR(kUSBVendorID), Num); CFRelease(Num); #endif break; } default: AssertReleaseMsgFailedReturn(("chValue=%#x\n", chValue), VERR_INTERNAL_ERROR); } if (*psz == ';') psz++; } while (*psz); io_iterator_t USBDevices = IO_OBJECT_NULL; IOReturn irc = IOServiceGetMatchingServices(g_MasterPort, RefMatchingDict, &USBDevices); AssertMsgReturn(irc == kIOReturnSuccess, ("irc=%#x\n", irc), RTErrConvertFromDarwinIO(irc)); RefMatchingDict = NULL; /* the reference is consumed by IOServiceGetMatchingServices. */ unsigned cMatches = 0; io_object_t USBDevice; while ((USBDevice = IOIteratorNext(USBDevices))) { cMatches++; CFMutableDictionaryRef PropsRef = 0; kern_return_t krc = IORegistryEntryCreateCFProperties(USBDevice, &PropsRef, kCFAllocatorDefault, kNilOptions); if (krc == KERN_SUCCESS) { uint64_t u64CurSessionId; uint32_t u32CurLocationId; if ( ( !u64SessionId || ( usbProxyDarwinDictGetU64(PropsRef, CFSTR("sessionID"), &u64CurSessionId) && u64CurSessionId == u64SessionId)) && ( !u32LocationId || ( usbProxyDarwinDictGetU32(PropsRef, CFSTR(kUSBDevicePropertyLocationID), &u32CurLocationId) && u32CurLocationId == u32LocationId)) ) { CFRelease(PropsRef); break; } CFRelease(PropsRef); } IOObjectRelease(USBDevice); } IOObjectRelease(USBDevices); USBDevices = IO_OBJECT_NULL; if (!USBDevice) { LogRel(("USB: Device '%s' not found (%d pid+vid matches)\n", pszAddress, cMatches)); IOObjectRelease(USBDevices); return VERR_VUSB_DEVICE_NAME_NOT_FOUND; } /* * Create a plugin interface for the device and query its IOUSBDeviceInterface. */ SInt32 Score = 0; IOCFPlugInInterface **ppPlugInInterface = NULL; irc = IOCreatePlugInInterfaceForService(USBDevice, kIOUSBDeviceUserClientTypeID, kIOCFPlugInInterfaceID, &ppPlugInInterface, &Score); if (irc == kIOReturnSuccess) { IOUSBDeviceInterface245 **ppDevI = NULL; HRESULT hrc = (*ppPlugInInterface)->QueryInterface(ppPlugInInterface, CFUUIDGetUUIDBytes(kIOUSBDeviceInterfaceID245), (LPVOID *)&ppDevI); irc = IODestroyPlugInInterface(ppPlugInInterface); Assert(irc == kIOReturnSuccess); ppPlugInInterface = NULL; if (hrc == S_OK) { /* * Try open the device for exclusive access. * If we fail, we'll try figure out who is using the device and * convince them to let go of it... */ irc = (*ppDevI)->USBDeviceReEnumerate(ppDevI, kUSBReEnumerateCaptureDeviceMask); Log(("USBDeviceReEnumerate (capture) returned irc=%#x\n", irc)); irc = (*ppDevI)->USBDeviceOpenSeize(ppDevI); if (irc == kIOReturnExclusiveAccess) { RTThreadSleep(20); irc = (*ppDevI)->USBDeviceOpenSeize(ppDevI); } if (irc == kIOReturnSuccess) { /* * Init a proxy device instance. */ RTListInit((PRTLISTNODE)&pDevOsX->HeadOfRunLoopLst); vrc = RTCritSectInit(&pDevOsX->CritSect); if (RT_SUCCESS(vrc)) { pDevOsX->USBDevice = USBDevice; pDevOsX->ppDevI = ppDevI; pDevOsX->pProxyDev = pProxyDev; pDevOsX->pTaxingHead = NULL; pDevOsX->pTaxingTail = NULL; pDevOsX->hRunLoopReapingLast = NULL; /* * Try seize all the interface. */ char *pszDummyName = pProxyDev->pUsbIns->pszName; pProxyDev->pUsbIns->pszName = (char *)pszAddress; vrc = usbProxyDarwinSeizeAllInterfaces(pDevOsX, false /* give up on failure */); pProxyDev->pUsbIns->pszName = pszDummyName; if (RT_SUCCESS(vrc)) { /* * Create the async event source and add it to the run loop. */ irc = (*ppDevI)->CreateDeviceAsyncEventSource(ppDevI, &pDevOsX->RunLoopSrcRef); if (irc == kIOReturnSuccess) { /* * Determine the active configuration. * Can cause hangs, so drop it for now. */ /** @todo test Palm. */ //uint8_t u8Cfg; //irc = (*ppDevI)->GetConfiguration(ppDevI, &u8Cfg); if (irc != kIOReturnNoDevice) { CFRunLoopSourceContext CtxRunLoopSource; CtxRunLoopSource.version = 0; CtxRunLoopSource.info = NULL; CtxRunLoopSource.retain = NULL; CtxRunLoopSource.release = NULL; CtxRunLoopSource.copyDescription = NULL; CtxRunLoopSource.equal = NULL; CtxRunLoopSource.hash = NULL; CtxRunLoopSource.schedule = NULL; CtxRunLoopSource.cancel = NULL; CtxRunLoopSource.perform = usbProxyDarwinPerformWakeup; pDevOsX->hRunLoopSrcWakeRef = CFRunLoopSourceCreate(NULL, 0, &CtxRunLoopSource); if (CFRunLoopSourceIsValid(pDevOsX->hRunLoopSrcWakeRef)) { //pProxyDev->iActiveCfg = irc == kIOReturnSuccess ? u8Cfg : -1; RTListInit(&pDevOsX->HeadOfRunLoopWakeLst); pProxyDev->iActiveCfg = -1; pProxyDev->cIgnoreSetConfigs = 1; usbProxyDarwinAddRunLoopRef(&pDevOsX->HeadOfRunLoopLst, pDevOsX->RunLoopSrcRef); return VINF_SUCCESS; /* return */ } else { LogRel(("USB: Device '%s' out of memory allocating runloop source\n", pszAddress)); vrc = VERR_NO_MEMORY; } } vrc = VERR_VUSB_DEVICE_NOT_ATTACHED; } else vrc = RTErrConvertFromDarwin(irc); usbProxyDarwinReleaseAllInterfaces(pDevOsX); } /* else: already bitched */ RTCritSectDelete(&pDevOsX->CritSect); } irc = (*ppDevI)->USBDeviceClose(ppDevI); AssertMsg(irc == kIOReturnSuccess, ("%#x\n", irc)); } else if (irc == kIOReturnExclusiveAccess) { LogRel(("USB: Device '%s' is being used by another process\n", pszAddress)); vrc = VERR_SHARING_VIOLATION; } else { LogRel(("USB: Failed to open device '%s', irc=%#x.\n", pszAddress, irc)); vrc = VERR_OPEN_FAILED; } } else { LogRel(("USB: Failed to create plugin interface for device '%s', hrc=%#x.\n", pszAddress, hrc)); vrc = VERR_OPEN_FAILED; } (*ppDevI)->Release(ppDevI); } else { LogRel(("USB: Failed to open device '%s', plug-in creation failed with irc=%#x.\n", pszAddress, irc)); vrc = RTErrConvertFromDarwin(irc); } return vrc; } /** * Closes the proxy device. */ static DECLCALLBACK(void) usbProxyDarwinClose(PUSBPROXYDEV pProxyDev) { LogFlow(("usbProxyDarwinClose: pProxyDev=%s\n", pProxyDev->pUsbIns->pszName)); PUSBPROXYDEVOSX pDevOsX = USBPROXYDEV_2_DATA(pProxyDev, PUSBPROXYDEVOSX); AssertPtrReturnVoid(pDevOsX); /* * Release interfaces we've laid claim to, then reset the device * and finally close it. */ RTCritSectEnter(&pDevOsX->CritSect); /* ?? */ RTCritSectLeave(&pDevOsX->CritSect); usbProxyDarwinReleaseAllInterfaces(pDevOsX); if (pDevOsX->RunLoopSrcRef) { int rc = usbProxyDarwinRemoveSourceRefFromAllRunLoops(&pDevOsX->HeadOfRunLoopLst, pDevOsX->RunLoopSrcRef); AssertRC(rc); RTListInit((PRTLISTNODE)&pDevOsX->HeadOfRunLoopLst); CFRelease(pDevOsX->RunLoopSrcRef); pDevOsX->RunLoopSrcRef = NULL; } if (pDevOsX->hRunLoopSrcWakeRef) { int rc = usbProxyDarwinRemoveSourceRefFromAllRunLoops(&pDevOsX->HeadOfRunLoopWakeLst, pDevOsX->hRunLoopSrcWakeRef); AssertRC(rc); RTListInit((PRTLISTNODE)&pDevOsX->HeadOfRunLoopWakeLst); CFRelease(pDevOsX->hRunLoopSrcWakeRef); pDevOsX->hRunLoopSrcWakeRef = NULL; } IOReturn irc = (*pDevOsX->ppDevI)->ResetDevice(pDevOsX->ppDevI); irc = (*pDevOsX->ppDevI)->USBDeviceClose(pDevOsX->ppDevI); if (irc != kIOReturnSuccess && irc != kIOReturnNoDevice) { LogRel(("USB: USBDeviceClose -> %#x\n", irc)); AssertMsgFailed(("irc=%#x\n", irc)); } irc = (*pDevOsX->ppDevI)->USBDeviceReEnumerate(pDevOsX->ppDevI, kUSBReEnumerateReleaseDeviceMask); Log(("USBDeviceReEnumerate (release) returned irc=%#x\n", irc)); (*pDevOsX->ppDevI)->Release(pDevOsX->ppDevI); pDevOsX->ppDevI = NULL; kern_return_t krc = IOObjectRelease(pDevOsX->USBDevice); Assert(krc == KERN_SUCCESS); NOREF(krc); pDevOsX->USBDevice = IO_OBJECT_NULL; pDevOsX->pProxyDev = NULL; /* * Free all the resources. */ RTCritSectDelete(&pDevOsX->CritSect); PUSBPROXYURBOSX pUrbOsX; while ((pUrbOsX = pDevOsX->pFreeHead) != NULL) { pDevOsX->pFreeHead = pUrbOsX->pNext; RTMemFree(pUrbOsX); } LogFlow(("usbProxyDarwinClose: returns\n")); } /** @interface_method_impl{USBPROXYBACK,pfnReset}*/ static DECLCALLBACK(int) usbProxyDarwinReset(PUSBPROXYDEV pProxyDev, bool fResetOnLinux) { RT_NOREF(fResetOnLinux); PUSBPROXYDEVOSX pDevOsX = USBPROXYDEV_2_DATA(pProxyDev, PUSBPROXYDEVOSX); LogFlow(("usbProxyDarwinReset: pProxyDev=%s\n", pProxyDev->pUsbIns->pszName)); IOReturn irc = (*pDevOsX->ppDevI)->ResetDevice(pDevOsX->ppDevI); int rc; if (irc == kIOReturnSuccess) { /** @todo Some docs say that some drivers will do a default config, check this out ... */ pProxyDev->cIgnoreSetConfigs = 0; pProxyDev->iActiveCfg = -1; rc = VINF_SUCCESS; } else if (irc == kIOReturnNoDevice) rc = VERR_VUSB_DEVICE_NOT_ATTACHED; else { AssertMsgFailed(("irc=%#x\n", irc)); rc = VERR_GENERAL_FAILURE; } LogFlow(("usbProxyDarwinReset: returns success %Rrc\n", rc)); return rc; } /** * SET_CONFIGURATION. * * The caller makes sure that it's not called first time after open or reset * with the active interface. * * @returns success indicator. * @param pProxyDev The device instance data. * @param iCfg The configuration to set. */ static DECLCALLBACK(int) usbProxyDarwinSetConfig(PUSBPROXYDEV pProxyDev, int iCfg) { PUSBPROXYDEVOSX pDevOsX = USBPROXYDEV_2_DATA(pProxyDev, PUSBPROXYDEVOSX); LogFlow(("usbProxyDarwinSetConfig: pProxyDev=%s cfg=%#x\n", pProxyDev->pUsbIns->pszName, iCfg)); IOReturn irc = (*pDevOsX->ppDevI)->SetConfiguration(pDevOsX->ppDevI, (uint8_t)iCfg); if (irc != kIOReturnSuccess) { Log(("usbProxyDarwinSetConfig: Set configuration -> %#x\n", irc)); return RTErrConvertFromDarwin(irc); } usbProxyDarwinReleaseAllInterfaces(pDevOsX); usbProxyDarwinSeizeAllInterfaces(pDevOsX, true /* make the best out of it */); return VINF_SUCCESS; } /** * Claims an interface. * * This is a stub on Darwin since we release/claim all interfaces at * open/reset/setconfig time. * * @returns success indicator (always VINF_SUCCESS). */ static DECLCALLBACK(int) usbProxyDarwinClaimInterface(PUSBPROXYDEV pProxyDev, int iIf) { RT_NOREF(pProxyDev, iIf); return VINF_SUCCESS; } /** * Releases an interface. * * This is a stub on Darwin since we release/claim all interfaces at * open/reset/setconfig time. * * @returns success indicator. */ static DECLCALLBACK(int) usbProxyDarwinReleaseInterface(PUSBPROXYDEV pProxyDev, int iIf) { RT_NOREF(pProxyDev, iIf); return VINF_SUCCESS; } /** * SET_INTERFACE. * * @returns success indicator. */ static DECLCALLBACK(int) usbProxyDarwinSetInterface(PUSBPROXYDEV pProxyDev, int iIf, int iAlt) { PUSBPROXYDEVOSX pDevOsX = USBPROXYDEV_2_DATA(pProxyDev, PUSBPROXYDEVOSX); IOReturn irc = kIOReturnSuccess; PUSBPROXYIFOSX pIf = usbProxyDarwinGetInterface(pDevOsX, iIf); LogFlow(("usbProxyDarwinSetInterface: pProxyDev=%s iIf=%#x iAlt=%#x iCurAlt=%#x\n", pProxyDev->pUsbIns->pszName, iIf, iAlt, pIf ? pIf->u8AltSetting : 0xbeef)); if (pIf) { /* Avoid SetAlternateInterface when possible as it will recreate the pipes. */ if (iAlt != pIf->u8AltSetting) { irc = (*pIf->ppIfI)->SetAlternateInterface(pIf->ppIfI, iAlt); if (irc == kIOReturnSuccess) { usbProxyDarwinGetPipeProperties(pDevOsX, pIf); return VINF_SUCCESS; } } else { /* * Just send the request anyway? */ IOUSBDevRequest Req; Req.bmRequestType = 0x01; Req.bRequest = 0x0b; /* SET_INTERFACE */ Req.wIndex = iIf; Req.wValue = iAlt; Req.wLength = 0; Req.wLenDone = 0; Req.pData = NULL; irc = (*pDevOsX->ppDevI)->DeviceRequest(pDevOsX->ppDevI, &Req); Log(("usbProxyDarwinSetInterface: SET_INTERFACE(%d,%d) -> irc=%#x\n", iIf, iAlt, irc)); return VINF_SUCCESS; } } LogFlow(("usbProxyDarwinSetInterface: pProxyDev=%s eiIf=%#x iAlt=%#x - failure - pIf=%p irc=%#x\n", pProxyDev->pUsbIns->pszName, iIf, iAlt, pIf, irc)); return RTErrConvertFromDarwin(irc); } /** * Clears the halted endpoint 'EndPt'. */ static DECLCALLBACK(int) usbProxyDarwinClearHaltedEp(PUSBPROXYDEV pProxyDev, unsigned int EndPt) { PUSBPROXYDEVOSX pDevOsX = USBPROXYDEV_2_DATA(pProxyDev, PUSBPROXYDEVOSX); LogFlow(("usbProxyDarwinClearHaltedEp: pProxyDev=%s EndPt=%#x\n", pProxyDev->pUsbIns->pszName, EndPt)); /* * Clearing the zero control pipe doesn't make sense and isn't * supported by the API. Just ignore it. */ if (EndPt == 0) return VINF_SUCCESS; /* * Find the interface/pipe combination and invoke the ClearPipeStallBothEnds * method. (The ResetPipe and ClearPipeStall methods will not send the * CLEAR_FEATURE(ENDPOINT_HALT) request that this method implements.) */ IOReturn irc = kIOReturnSuccess; uint8_t u8PipeRef; PUSBPROXYIFOSX pIf = usbProxyDarwinGetInterfaceForEndpoint(pDevOsX, EndPt, &u8PipeRef, NULL); if (pIf) { irc = (*pIf->ppIfI)->ClearPipeStallBothEnds(pIf->ppIfI, u8PipeRef); if (irc == kIOReturnSuccess) return VINF_SUCCESS; AssertMsg(irc == kIOReturnNoDevice || irc == kIOReturnNotResponding, ("irc=#x (control pipe?)\n", irc)); } LogFlow(("usbProxyDarwinClearHaltedEp: pProxyDev=%s EndPt=%#x - failure - pIf=%p irc=%#x\n", pProxyDev->pUsbIns->pszName, EndPt, pIf, irc)); return RTErrConvertFromDarwin(irc); } /** * @interface_method_impl{USBPROXYBACK,pfnUrbQueue} */ static DECLCALLBACK(int) usbProxyDarwinUrbQueue(PUSBPROXYDEV pProxyDev, PVUSBURB pUrb) { PUSBPROXYDEVOSX pDevOsX = USBPROXYDEV_2_DATA(pProxyDev, PUSBPROXYDEVOSX); LogFlow(("%s: usbProxyDarwinUrbQueue: pProxyDev=%s pUrb=%p EndPt=%d cbData=%d\n", pUrb->pszDesc, pProxyDev->pUsbIns->pszName, pUrb, pUrb->EndPt, pUrb->cbData)); /* * Find the target interface / pipe. */ uint8_t u8PipeRef = 0xff; PUSBPROXYIFOSX pIf = NULL; PUSBPROXYPIPEOSX pPipe = NULL; if (pUrb->EndPt) { /* Make sure the interface is there. */ const uint8_t EndPt = pUrb->EndPt | (pUrb->enmDir == VUSBDIRECTION_IN ? 0x80 : 0); pIf = usbProxyDarwinGetInterfaceForEndpoint(pDevOsX, EndPt, &u8PipeRef, &pPipe); if (!pIf) { LogFlow(("%s: usbProxyDarwinUrbQueue: pProxyDev=%s EndPt=%d cbData=%d - can't find interface / pipe!!!\n", pUrb->pszDesc, pProxyDev->pUsbIns->pszName, pUrb->EndPt, pUrb->cbData)); return VERR_NOT_FOUND; } } /* else: pIf == NULL -> default control pipe.*/ /* * Allocate a Darwin urb. */ PUSBPROXYURBOSX pUrbOsX = usbProxyDarwinUrbAlloc(pDevOsX); if (!pUrbOsX) return VERR_NO_MEMORY; pUrbOsX->u64SubmitTS = RTTimeMilliTS(); pUrbOsX->pVUsbUrb = pUrb; pUrbOsX->pDevOsX = pDevOsX; pUrbOsX->enmType = pUrb->enmType; /* * Submit the request. */ IOReturn irc = kIOReturnError; switch (pUrb->enmType) { case VUSBXFERTYPE_MSG: { AssertMsgBreak(pUrb->cbData >= sizeof(VUSBSETUP), ("cbData=%d\n", pUrb->cbData)); PVUSBSETUP pSetup = (PVUSBSETUP)&pUrb->abData[0]; pUrbOsX->u.ControlMsg.bmRequestType = pSetup->bmRequestType; pUrbOsX->u.ControlMsg.bRequest = pSetup->bRequest; pUrbOsX->u.ControlMsg.wValue = pSetup->wValue; pUrbOsX->u.ControlMsg.wIndex = pSetup->wIndex; pUrbOsX->u.ControlMsg.wLength = pSetup->wLength; pUrbOsX->u.ControlMsg.pData = pSetup + 1; pUrbOsX->u.ControlMsg.wLenDone = pSetup->wLength; if (pIf) irc = (*pIf->ppIfI)->ControlRequestAsync(pIf->ppIfI, u8PipeRef, &pUrbOsX->u.ControlMsg, usbProxyDarwinUrbAsyncComplete, pUrbOsX); else irc = (*pDevOsX->ppDevI)->DeviceRequestAsync(pDevOsX->ppDevI, &pUrbOsX->u.ControlMsg, usbProxyDarwinUrbAsyncComplete, pUrbOsX); break; } case VUSBXFERTYPE_BULK: case VUSBXFERTYPE_INTR: { AssertBreak(pIf); Assert(pUrb->enmDir == VUSBDIRECTION_IN || pUrb->enmDir == VUSBDIRECTION_OUT); if (pUrb->enmDir == VUSBDIRECTION_OUT) irc = (*pIf->ppIfI)->WritePipeAsync(pIf->ppIfI, u8PipeRef, pUrb->abData, pUrb->cbData, usbProxyDarwinUrbAsyncComplete, pUrbOsX); else irc = (*pIf->ppIfI)->ReadPipeAsync(pIf->ppIfI, u8PipeRef, pUrb->abData, pUrb->cbData, usbProxyDarwinUrbAsyncComplete, pUrbOsX); break; } case VUSBXFERTYPE_ISOC: { AssertBreak(pIf); Assert(pUrb->enmDir == VUSBDIRECTION_IN || pUrb->enmDir == VUSBDIRECTION_OUT); #ifdef USE_LOW_LATENCY_API /* Allocate an isochronous buffer and copy over the data. */ AssertBreak(pUrb->cbData <= 8192); int rc = usbProxyDarwinUrbAllocIsocBuf(pUrbOsX, pIf); AssertRCBreak(rc); if (pUrb->enmDir == VUSBDIRECTION_OUT) memcpy(pUrbOsX->u.Isoc.pBuf->pvBuf, pUrb->abData, pUrb->cbData); else memset(pUrbOsX->u.Isoc.pBuf->pvBuf, 0xfe, pUrb->cbData); #endif /* Get the current frame number (+2) and make sure it doesn't overlap with the previous request. See WARNING in ApplUSBUHCI::CreateIsochTransfer for details on the +2. */ UInt64 FrameNo; AbsoluteTime FrameTime; irc = (*pIf->ppIfI)->GetBusFrameNumber(pIf->ppIfI, &FrameNo, &FrameTime); AssertMsg(irc == kIOReturnSuccess, ("GetBusFrameNumber -> %#x\n", irc)); FrameNo += 2; if (FrameNo <= pPipe->u64NextFrameNo) FrameNo = pPipe->u64NextFrameNo; for (unsigned j = 0; ; j++) { unsigned i; for (i = 0; i < pUrb->cIsocPkts; i++) { pUrbOsX->u.Isoc.aFrames[i].frReqCount = pUrb->aIsocPkts[i].cb; pUrbOsX->u.Isoc.aFrames[i].frActCount = 0; pUrbOsX->u.Isoc.aFrames[i].frStatus = kIOUSBNotSent1Err; #ifdef USE_LOW_LATENCY_API pUrbOsX->u.Isoc.aFrames[i].frTimeStamp.hi = 0; pUrbOsX->u.Isoc.aFrames[i].frTimeStamp.lo = 0; #endif } for (; i < RT_ELEMENTS(pUrbOsX->u.Isoc.aFrames); i++) { pUrbOsX->u.Isoc.aFrames[i].frReqCount = 0; pUrbOsX->u.Isoc.aFrames[i].frActCount = 0; pUrbOsX->u.Isoc.aFrames[i].frStatus = kIOReturnError; #ifdef USE_LOW_LATENCY_API pUrbOsX->u.Isoc.aFrames[i].frTimeStamp.hi = 0; pUrbOsX->u.Isoc.aFrames[i].frTimeStamp.lo = 0; #endif } #ifdef USE_LOW_LATENCY_API if (pUrb->enmDir == VUSBDIRECTION_OUT) irc = (*pIf->ppIfI)->LowLatencyWriteIsochPipeAsync(pIf->ppIfI, u8PipeRef, pUrbOsX->u.Isoc.pBuf->pvBuf, FrameNo, pUrb->cIsocPkts, 0, pUrbOsX->u.Isoc.aFrames, usbProxyDarwinUrbAsyncComplete, pUrbOsX); else irc = (*pIf->ppIfI)->LowLatencyReadIsochPipeAsync(pIf->ppIfI, u8PipeRef, pUrbOsX->u.Isoc.pBuf->pvBuf, FrameNo, pUrb->cIsocPkts, 0, pUrbOsX->u.Isoc.aFrames, usbProxyDarwinUrbAsyncComplete, pUrbOsX); #else if (pUrb->enmDir == VUSBDIRECTION_OUT) irc = (*pIf->ppIfI)->WriteIsochPipeAsync(pIf->ppIfI, u8PipeRef, pUrb->abData, FrameNo, pUrb->cIsocPkts, &pUrbOsX->u.Isoc.aFrames[0], usbProxyDarwinUrbAsyncComplete, pUrbOsX); else irc = (*pIf->ppIfI)->ReadIsochPipeAsync(pIf->ppIfI, u8PipeRef, pUrb->abData, FrameNo, pUrb->cIsocPkts, &pUrbOsX->u.Isoc.aFrames[0], usbProxyDarwinUrbAsyncComplete, pUrbOsX); #endif if ( irc != kIOReturnIsoTooOld || j >= 5) { Log(("%s: usbProxyDarwinUrbQueue: isoc: u64NextFrameNo=%RX64 FrameNo=%RX64 #Frames=%d j=%d (pipe=%d)\n", pUrb->pszDesc, pPipe->u64NextFrameNo, FrameNo, pUrb->cIsocPkts, j, u8PipeRef)); if (irc == kIOReturnSuccess) { if (pPipe->fIsFullSpeed) pPipe->u64NextFrameNo = FrameNo + pUrb->cIsocPkts; else pPipe->u64NextFrameNo = FrameNo + 1; } break; } /* try again... */ irc = (*pIf->ppIfI)->GetBusFrameNumber(pIf->ppIfI, &FrameNo, &FrameTime); if (FrameNo <= pPipe->u64NextFrameNo) FrameNo = pPipe->u64NextFrameNo; FrameNo += j; } break; } default: AssertMsgFailed(("%s: enmType=%#x\n", pUrb->pszDesc, pUrb->enmType)); break; } /* * Success? */ if (RT_LIKELY(irc == kIOReturnSuccess)) { Log(("%s: usbProxyDarwinUrbQueue: success\n", pUrb->pszDesc)); return VINF_SUCCESS; } switch (irc) { case kIOUSBPipeStalled: { /* Increment in flight counter because the completion handler will decrease it always. */ usbProxyDarwinUrbAsyncComplete(pUrbOsX, kIOUSBPipeStalled, 0); Log(("%s: usbProxyDarwinUrbQueue: pProxyDev=%s EndPt=%d cbData=%d - failed irc=%#x! (stall)\n", pUrb->pszDesc, pProxyDev->pUsbIns->pszName, pUrb->EndPt, pUrb->cbData, irc)); return VINF_SUCCESS; } } usbProxyDarwinUrbFree(pDevOsX, pUrbOsX); Log(("%s: usbProxyDarwinUrbQueue: pProxyDev=%s EndPt=%d cbData=%d - failed irc=%#x!\n", pUrb->pszDesc, pProxyDev->pUsbIns->pszName, pUrb->EndPt, pUrb->cbData, irc)); return RTErrConvertFromDarwin(irc); } /** * Reap URBs in-flight on a device. * * @returns Pointer to a completed URB. * @returns NULL if no URB was completed. * @param pProxyDev The device. * @param cMillies Number of milliseconds to wait. Use 0 to not wait at all. */ static DECLCALLBACK(PVUSBURB) usbProxyDarwinUrbReap(PUSBPROXYDEV pProxyDev, RTMSINTERVAL cMillies) { PVUSBURB pUrb = NULL; PUSBPROXYDEVOSX pDevOsX = USBPROXYDEV_2_DATA(pProxyDev, PUSBPROXYDEVOSX); CFRunLoopRef hRunLoopRef = CFRunLoopGetCurrent(); Assert(!pDevOsX->hRunLoopReaping); /* * If the last seen runloop for reaping differs we have to check whether the * the runloop sources are in the new runloop. */ if (pDevOsX->hRunLoopReapingLast != hRunLoopRef) { RTCritSectEnter(&pDevOsX->CritSect); /* Every pipe. */ if (!pDevOsX->pIfHead) usbProxyDarwinSeizeAllInterfaces(pDevOsX, true /* make the best out of it */); PUSBPROXYIFOSX pIf; for (pIf = pDevOsX->pIfHead; pIf; pIf = pIf->pNext) { if (!CFRunLoopContainsSource(hRunLoopRef, pIf->RunLoopSrcRef, g_pRunLoopMode)) usbProxyDarwinAddRunLoopRef(&pIf->HeadOfRunLoopLst, pIf->RunLoopSrcRef); } /* Default control pipe. */ if (!CFRunLoopContainsSource(hRunLoopRef, pDevOsX->RunLoopSrcRef, g_pRunLoopMode)) usbProxyDarwinAddRunLoopRef(&pDevOsX->HeadOfRunLoopLst, pDevOsX->RunLoopSrcRef); /* Runloop wakeup source. */ if (!CFRunLoopContainsSource(hRunLoopRef, pDevOsX->hRunLoopSrcWakeRef, g_pRunLoopMode)) usbProxyDarwinAddRunLoopRef(&pDevOsX->HeadOfRunLoopWakeLst, pDevOsX->hRunLoopSrcWakeRef); RTCritSectLeave(&pDevOsX->CritSect); pDevOsX->hRunLoopReapingLast = hRunLoopRef; } ASMAtomicXchgPtr((void * volatile *)&pDevOsX->hRunLoopReaping, hRunLoopRef); if (ASMAtomicXchgBool(&pDevOsX->fReapingThreadWake, false)) { /* Return immediately. */ ASMAtomicXchgPtr((void * volatile *)&pDevOsX->hRunLoopReaping, NULL); return NULL; } /* * Excercise the runloop until we get an URB or we time out. */ if ( !pDevOsX->pTaxingHead && cMillies) CFRunLoopRunInMode(g_pRunLoopMode, cMillies / 1000.0, true); ASMAtomicXchgPtr((void * volatile *)&pDevOsX->hRunLoopReaping, NULL); ASMAtomicXchgBool(&pDevOsX->fReapingThreadWake, false); /* * Any URBs pending delivery? */ while ( pDevOsX->pTaxingHead && !pUrb) { RTCritSectEnter(&pDevOsX->CritSect); PUSBPROXYURBOSX pUrbOsX = pDevOsX->pTaxingHead; if (pUrbOsX) { /* * Remove from the taxing list. */ if (pUrbOsX->pNext) pUrbOsX->pNext->pPrev = pUrbOsX->pPrev; else if (pDevOsX->pTaxingTail == pUrbOsX) pDevOsX->pTaxingTail = pUrbOsX->pPrev; if (pUrbOsX->pPrev) pUrbOsX->pPrev->pNext = pUrbOsX->pNext; else if (pDevOsX->pTaxingHead == pUrbOsX) pDevOsX->pTaxingHead = pUrbOsX->pNext; else AssertFailed(); pUrb = pUrbOsX->pVUsbUrb; if (pUrb) { pUrb->Dev.pvPrivate = NULL; usbProxyDarwinUrbFree(pDevOsX, pUrbOsX); } } RTCritSectLeave(&pDevOsX->CritSect); } if (pUrb) LogFlowFunc(("LEAVE: %s: pProxyDev=%s returns %p\n", pUrb->pszDesc, pProxyDev->pUsbIns->pszName, pUrb)); else LogFlowFunc(("LEAVE: NULL pProxyDev=%s returns NULL\n", pProxyDev->pUsbIns->pszName)); return pUrb; } /** * Cancels a URB. * * The URB requires reaping, so we don't change its state. * * @remark There isn't any way to cancel a specific async request * on darwin. The interface only supports the aborting of * all URBs pending on an interface / pipe pair. Provided * the card does the URB cancelling before submitting new * requests, we should probably be fine... */ static DECLCALLBACK(int) usbProxyDarwinUrbCancel(PUSBPROXYDEV pProxyDev, PVUSBURB pUrb) { PUSBPROXYDEVOSX pDevOsX = USBPROXYDEV_2_DATA(pProxyDev, PUSBPROXYDEVOSX); LogFlow(("%s: usbProxyDarwinUrbCancel: pProxyDev=%s EndPt=%d\n", pUrb->pszDesc, pProxyDev->pUsbIns->pszName, pUrb->EndPt)); /* * Determine the interface / endpoint ref and invoke AbortPipe. */ IOReturn irc = kIOReturnSuccess; if (!pUrb->EndPt) irc = (*pDevOsX->ppDevI)->USBDeviceAbortPipeZero(pDevOsX->ppDevI); else { uint8_t u8PipeRef; const uint8_t EndPt = pUrb->EndPt | (pUrb->enmDir == VUSBDIRECTION_IN ? 0x80 : 0); PUSBPROXYIFOSX pIf = usbProxyDarwinGetInterfaceForEndpoint(pDevOsX, EndPt, &u8PipeRef, NULL); if (pIf) irc = (*pIf->ppIfI)->AbortPipe(pIf->ppIfI, u8PipeRef); else /* this may happen if a device reset, set configuration or set interface has been performed. */ Log(("usbProxyDarwinUrbCancel: pProxyDev=%s pUrb=%p EndPt=%d - cannot find the interface / pipe!\n", pProxyDev->pUsbIns->pszName, pUrb, pUrb->EndPt)); } int rc = VINF_SUCCESS; if (irc != kIOReturnSuccess) { Log(("usbProxyDarwinUrbCancel: pProxyDev=%s pUrb=%p EndPt=%d -> %#x!\n", pProxyDev->pUsbIns->pszName, pUrb, pUrb->EndPt, irc)); rc = RTErrConvertFromDarwin(irc); } return rc; } static DECLCALLBACK(int) usbProxyDarwinWakeup(PUSBPROXYDEV pProxyDev) { PUSBPROXYDEVOSX pDevOsX = USBPROXYDEV_2_DATA(pProxyDev, PUSBPROXYDEVOSX); LogFlow(("usbProxyDarwinWakeup: pProxyDev=%p\n", pProxyDev)); ASMAtomicXchgBool(&pDevOsX->fReapingThreadWake, true); usbProxyDarwinReaperKick(pDevOsX); return VINF_SUCCESS; } /** * The Darwin USB Proxy Backend. */ extern const USBPROXYBACK g_USBProxyDeviceHost = { /* pszName */ "host", /* cbBackend */ sizeof(USBPROXYDEVOSX), usbProxyDarwinOpen, NULL, usbProxyDarwinClose, usbProxyDarwinReset, usbProxyDarwinSetConfig, usbProxyDarwinClaimInterface, usbProxyDarwinReleaseInterface, usbProxyDarwinSetInterface, usbProxyDarwinClearHaltedEp, usbProxyDarwinUrbQueue, usbProxyDarwinUrbCancel, usbProxyDarwinUrbReap, usbProxyDarwinWakeup, 0 };