/* $Id: USBProxyDevice-solaris.cpp $ */ /** @file * USB device proxy - the Solaris backend. */ /* * Copyright (C) 2009-2019 Oracle Corporation * * This file is part of VirtualBox Open Source Edition (OSE), as * available from http://www.virtualbox.org. This file is free software; * you can redistribute it and/or modify it under the terms of the GNU * General Public License (GPL) as published by the Free Software * Foundation, in version 2 as it comes in the "COPYING" file of the * VirtualBox OSE distribution. VirtualBox OSE is distributed in the * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind. */ /********************************************************************************************************************************* * Header Files * *********************************************************************************************************************************/ #define LOG_GROUP LOG_GROUP_DRV_USBPROXY #include #include #include #include #include #include #include #include #include #include #include #include #include #include "../USBProxyDevice.h" #include /********************************************************************************************************************************* * Defined Constants And Macros * *********************************************************************************************************************************/ /** Log Prefix. */ #define USBPROXY "USBProxy" /********************************************************************************************************************************* * Structures and Typedefs * *********************************************************************************************************************************/ /** * Wrapper around the solaris urb request structure. * This is required to track in-flight and landed URBs. */ typedef struct USBPROXYURBSOL { /** Pointer to the Solaris device. */ struct USBPROXYDEVSOL *pDevSol; /** Pointer to the VUSB URB (set to NULL if canceled). */ PVUSBURB pVUsbUrb; /** Pointer to the next solaris URB. */ struct USBPROXYURBSOL *pNext; /** Pointer to the previous solaris URB. */ struct USBPROXYURBSOL *pPrev; } USBPROXYURBSOL, *PUSBPROXYURBSOL; /** * Data for the solaris usb proxy backend. */ typedef struct USBPROXYDEVSOL { /** Path of the USB device in the devices tree (persistent). */ char *pszDevicePath; /** The connection to the client driver. */ RTFILE hFile; /** Pointer to the proxy device instance. */ PUSBPROXYDEV pProxyDev; /** Critical section protecting the two lists. */ RTCRITSECT CritSect; /** The list of free solaris URBs. Singly linked. */ PUSBPROXYURBSOL pFreeHead; /** The list of active solaris URBs. Doubly linked. * We must maintain this so we can properly reap URBs of a detached device. * Only the split head will appear in this list. */ PUSBPROXYURBSOL pInFlightHead; /** The list of landed solaris URBs. Doubly linked. * Only the split head will appear in this list. */ PUSBPROXYURBSOL pTaxingHead; /** The tail of the landed solaris URBs. */ PUSBPROXYURBSOL pTaxingTail; /** Pipe handle for waking up - writing end. */ RTPIPE hPipeWakeupW; /** Pipe handle for waking up - reading end. */ RTPIPE hPipeWakeupR; } USBPROXYDEVSOL, *PUSBPROXYDEVSOL; static PVUSBURB usbProxySolarisUrbComplete(PUSBPROXYDEVSOL pDevSol); /** * Allocates a Solaris URB request structure. * * @returns Pointer to an active URB request. * @returns NULL on failure. * * @param pDevSol The solaris USB device. */ static PUSBPROXYURBSOL usbProxySolarisUrbAlloc(PUSBPROXYDEVSOL pDevSol) { PUSBPROXYURBSOL pUrbSol; RTCritSectEnter(&pDevSol->CritSect); /* * Try remove a Solaris URB from the free list, if none there allocate a new one. */ pUrbSol = pDevSol->pFreeHead; if (pUrbSol) pDevSol->pFreeHead = pUrbSol->pNext; else { RTCritSectLeave(&pDevSol->CritSect); pUrbSol = (PUSBPROXYURBSOL)RTMemAlloc(sizeof(*pUrbSol)); if (!pUrbSol) return NULL; RTCritSectEnter(&pDevSol->CritSect); } pUrbSol->pVUsbUrb = NULL; pUrbSol->pDevSol = pDevSol; /* * Link it into the active list */ pUrbSol->pPrev = NULL; pUrbSol->pNext = pDevSol->pInFlightHead; if (pUrbSol->pNext) pUrbSol->pNext->pPrev = pUrbSol; pDevSol->pInFlightHead = pUrbSol; RTCritSectLeave(&pDevSol->CritSect); return pUrbSol; } /** * Frees a Solaris URB request structure. * * @param pDevSol The Solaris USB device. * @param pUrbSol The Solaris URB to free. */ static void usbProxySolarisUrbFree(PUSBPROXYDEVSOL pDevSol, PUSBPROXYURBSOL pUrbSol) { RTCritSectEnter(&pDevSol->CritSect); /* * Remove from the active or taxing list. */ if (pUrbSol->pNext) pUrbSol->pNext->pPrev = pUrbSol->pPrev; else if (pDevSol->pTaxingTail == pUrbSol) pDevSol->pTaxingTail = pUrbSol->pPrev; if (pUrbSol->pPrev) pUrbSol->pPrev->pNext = pUrbSol->pNext; else if (pDevSol->pTaxingHead == pUrbSol) pDevSol->pTaxingHead = pUrbSol->pNext; else if (pDevSol->pInFlightHead == pUrbSol) pDevSol->pInFlightHead = pUrbSol->pNext; else AssertFailed(); /* * Link it into the free list. */ pUrbSol->pPrev = NULL; pUrbSol->pNext = pDevSol->pFreeHead; pDevSol->pFreeHead = pUrbSol; pUrbSol->pVUsbUrb = NULL; pUrbSol->pDevSol = NULL; RTCritSectLeave(&pDevSol->CritSect); } /* * Close the connection to the USB client driver. * * This is required because our userland enumeration relies on drivers/device trees * to recognize active devices, and hence if this device is unplugged we should no * longer keep the client driver loaded. */ static void usbProxySolarisCloseFile(PUSBPROXYDEVSOL pDevSol) { RTFileClose(pDevSol->hFile); pDevSol->hFile = NIL_RTFILE; } /** * The client driver IOCtl Wrapper function. * * @returns VBox status code. * @param pDevSol The Solaris device instance. * @param Function The Function. * @param pvData Opaque pointer to the data. * @param cbData Size of the data pointed to by pvData. */ static int usbProxySolarisIOCtl(PUSBPROXYDEVSOL pDevSol, unsigned Function, void *pvData, size_t cbData) { if (RT_UNLIKELY(pDevSol->hFile == NIL_RTFILE)) { LogFlow((USBPROXY ":usbProxySolarisIOCtl: Connection to driver gone!\n")); return VERR_VUSB_DEVICE_NOT_ATTACHED; } VBOXUSBREQ Req; Req.u32Magic = VBOXUSB_MAGIC; Req.rc = -1; Req.cbData = cbData; Req.pvDataR3 = pvData; int Ret = -1; int rc = RTFileIoCtl(pDevSol->hFile, Function, &Req, sizeof(Req), &Ret); if (RT_SUCCESS(rc)) { if (RT_FAILURE(Req.rc)) { if (Req.rc == VERR_VUSB_DEVICE_NOT_ATTACHED) { pDevSol->pProxyDev->fDetached = true; usbProxySolarisCloseFile(pDevSol); LogRel((USBPROXY ": Command %#x failed, USB Device '%s' disconnected!\n", Function, pDevSol->pProxyDev->pUsbIns->pszName)); } else LogRel((USBPROXY ": Command %#x failed. Req.rc=%Rrc\n", Function, Req.rc)); } return Req.rc; } LogRel((USBPROXY ": Function %#x failed. rc=%Rrc\n", Function, rc)); return rc; } /** * Get the active configuration from the device. The first time this is called * our client driver would returned the cached configuration since the device is first plugged in. * Subsequent get configuration requests are passed on to the device. * * @returns VBox status code. * @param pDevSol The Solaris device instance. * */ static inline int usbProxySolarisGetActiveConfig(PUSBPROXYDEVSOL pDevSol) { VBOXUSBREQ_GET_CONFIG GetConfigReq; bzero(&GetConfigReq, sizeof(GetConfigReq)); int rc = usbProxySolarisIOCtl(pDevSol, VBOXUSB_IOCTL_GET_CONFIG, &GetConfigReq, sizeof(GetConfigReq)); if (RT_SUCCESS(rc)) { pDevSol->pProxyDev->iActiveCfg = GetConfigReq.bConfigValue; pDevSol->pProxyDev->cIgnoreSetConfigs = 0; } else { if (rc != VERR_VUSB_DEVICE_NOT_ATTACHED) LogRel((USBPROXY ": Failed to get configuration. rc=%Rrc\n", rc)); pDevSol->pProxyDev->iActiveCfg = -1; pDevSol->pProxyDev->cIgnoreSetConfigs = 0; } return rc; } /** * Opens the USB device. * * @returns VBox status code. * @param pProxyDev The device instance. * @param pszAddress The unique device identifier. * The format of this string is "VendorId:ProducIt:Release:StaticPath". * @param pvBackend Backend specific pointer, unused for the solaris backend. */ static DECLCALLBACK(int) usbProxySolarisOpen(PUSBPROXYDEV pProxyDev, const char *pszAddress, void *pvBackend) { PUSBPROXYDEVSOL pDevSol = USBPROXYDEV_2_DATA(pProxyDev, PUSBPROXYDEVSOL); LogFlowFunc((USBPROXY ":usbProxySolarisOpen: pProxyDev=%p pszAddress=%s pvBackend=%p\n", pProxyDev, pszAddress, pvBackend)); /* * Initialize our USB R3 lib. */ int rc = USBLibInit(); if (RT_SUCCESS(rc)) { /* * Allocate and initialize the solaris backend data. */ AssertCompile(PATH_MAX >= MAXPATHLEN); char szDeviceIdent[PATH_MAX+48]; rc = RTStrPrintf(szDeviceIdent, sizeof(szDeviceIdent), "%s", pszAddress); if (RT_SUCCESS(rc)) { rc = RTCritSectInit(&pDevSol->CritSect); if (RT_SUCCESS(rc)) { /* * Create wakeup pipe. */ rc = RTPipeCreate(&pDevSol->hPipeWakeupR, &pDevSol->hPipeWakeupW, 0); if (RT_SUCCESS(rc)) { int Instance; char *pszDevicePath = NULL; rc = USBLibGetClientInfo(szDeviceIdent, &pszDevicePath, &Instance); if (RT_SUCCESS(rc)) { pDevSol->pszDevicePath = pszDevicePath; /* * Open the client driver. */ RTFILE hFile; rc = RTFileOpen(&hFile, pDevSol->pszDevicePath, RTFILE_O_READWRITE | RTFILE_O_OPEN | RTFILE_O_DENY_NONE); if (RT_SUCCESS(rc)) { pDevSol->hFile = hFile; pDevSol->pProxyDev = pProxyDev; /* * Verify client driver version. */ VBOXUSBREQ_GET_VERSION GetVersionReq; bzero(&GetVersionReq, sizeof(GetVersionReq)); rc = usbProxySolarisIOCtl(pDevSol, VBOXUSB_IOCTL_GET_VERSION, &GetVersionReq, sizeof(GetVersionReq)); if (RT_SUCCESS(rc)) { if ( GetVersionReq.u32Major == VBOXUSB_VERSION_MAJOR && GetVersionReq.u32Minor >= VBOXUSB_VERSION_MINOR) { /* * Try & get the current cached config from Solaris. */ usbProxySolarisGetActiveConfig(pDevSol); return VINF_SUCCESS; } else { LogRel((USBPROXY ": Version mismatch, Driver v%d.%d expecting ~v%d.%d\n", GetVersionReq.u32Major, GetVersionReq.u32Minor, VBOXUSB_VERSION_MAJOR, VBOXUSB_VERSION_MINOR)); rc = VERR_VERSION_MISMATCH; } } else LogRel((USBPROXY ": Failed to query driver version. rc=%Rrc\n", rc)); RTFileClose(pDevSol->hFile); pDevSol->hFile = NIL_RTFILE; pDevSol->pProxyDev = NULL; } else LogRel((USBPROXY ": Failed to open device. rc=%Rrc pszDevicePath=%s\n", rc, pDevSol->pszDevicePath)); RTStrFree(pDevSol->pszDevicePath); pDevSol->pszDevicePath = NULL; } else { LogRel((USBPROXY ": Failed to get client info. rc=%Rrc szDeviceIdent=%s\n", rc, szDeviceIdent)); if (rc == VERR_NOT_FOUND) rc = VERR_OPEN_FAILED; } RTPipeClose(pDevSol->hPipeWakeupR); RTPipeClose(pDevSol->hPipeWakeupW); } RTCritSectDelete(&pDevSol->CritSect); } else LogRel((USBPROXY ": RTCritSectInit failed. rc=%Rrc pszAddress=%s\n", rc, pszAddress)); } else LogRel((USBPROXY ": RTStrAPrintf failed. rc=%Rrc pszAddress=%s\n", rc, pszAddress)); } else LogRel((USBPROXY ": USBLibInit failed. rc=%Rrc\n", rc)); USBLibTerm(); return rc; } /** * Close the USB device. * * @param pProxyDev The device instance. */ static DECLCALLBACK(void) usbProxySolarisClose(PUSBPROXYDEV pProxyDev) { LogFlow((USBPROXY ":usbProxySolarisClose: pProxyDev=%p\n", pProxyDev)); PUSBPROXYDEVSOL pDevSol = USBPROXYDEV_2_DATA(pProxyDev, PUSBPROXYDEVSOL); /* Close the device (do not re-enumerate). */ VBOXUSBREQ_CLOSE_DEVICE CloseReq; CloseReq.ResetLevel = VBOXUSB_RESET_LEVEL_CLOSE; usbProxySolarisIOCtl(pDevSol, VBOXUSB_IOCTL_CLOSE_DEVICE, &CloseReq, sizeof(CloseReq)); pProxyDev->fDetached = true; usbProxySolarisCloseFile(pDevSol); /* * Now we can close it and free all the resources. */ RTCritSectDelete(&pDevSol->CritSect); PUSBPROXYURBSOL pUrbSol = NULL; while ((pUrbSol = pDevSol->pInFlightHead) != NULL) { pDevSol->pInFlightHead = pUrbSol->pNext; RTMemFree(pUrbSol); } while ((pUrbSol = pDevSol->pFreeHead) != NULL) { pDevSol->pFreeHead = pUrbSol->pNext; RTMemFree(pUrbSol); } RTPipeClose(pDevSol->hPipeWakeupR); RTPipeClose(pDevSol->hPipeWakeupW); RTStrFree(pDevSol->pszDevicePath); pDevSol->pszDevicePath = NULL; USBLibTerm(); } /** * Reset the device. * * @returns VBox status code. * @param pProxyDev The device to reset. * @param fRootHubReset Is this a root hub reset or device specific reset request. */ static DECLCALLBACK(int) usbProxySolarisReset(PUSBPROXYDEV pProxyDev, bool fRootHubReset) { LogFlowFunc((USBPROXY ": usbProxySolarisReset: pProxyDev=%s fRootHubReset=%d\n", pProxyDev->pUsbIns->pszName, fRootHubReset)); /** Pass all resets to the device. The Trekstor USB (1.1) stick requires this to work. */ PUSBPROXYDEVSOL pDevSol = USBPROXYDEV_2_DATA(pProxyDev, PUSBPROXYDEVSOL); /* Soft reset the device. */ VBOXUSBREQ_CLOSE_DEVICE CloseReq; CloseReq.ResetLevel = VBOXUSB_RESET_LEVEL_SOFT; int rc = usbProxySolarisIOCtl(pDevSol, VBOXUSB_IOCTL_CLOSE_DEVICE, &CloseReq, sizeof(CloseReq)); if (RT_SUCCESS(rc)) { /* Get the active config. Solaris USBA sets a default config. */ usbProxySolarisGetActiveConfig(pDevSol); } else if (rc != VERR_VUSB_DEVICE_NOT_ATTACHED) LogRel((USBPROXY ": usbProxySolarisReset: Failed! rc=%d\n", rc)); return rc; } /** * Set the active 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 value to set. */ static DECLCALLBACK(int) usbProxySolarisSetConfig(PUSBPROXYDEV pProxyDev, int iCfg) { LogFlowFunc((USBPROXY ": usbProxySolarisSetConfig: pProxyDev=%p iCfg=%#x\n", pProxyDev, iCfg)); PUSBPROXYDEVSOL pDevSol = USBPROXYDEV_2_DATA(pProxyDev, PUSBPROXYDEVSOL); AssertPtrReturn(pDevSol, VERR_INVALID_POINTER); VBOXUSBREQ_SET_CONFIG SetConfigReq; SetConfigReq.bConfigValue = iCfg; int rc = usbProxySolarisIOCtl(pDevSol, VBOXUSB_IOCTL_SET_CONFIG, &SetConfigReq, sizeof(SetConfigReq)); if ( RT_FAILURE(rc) && rc != VERR_VUSB_DEVICE_NOT_ATTACHED) LogRel((USBPROXY ": usbProxySolarisSetConfig: Failed! rc=%Rrc\n", rc)); return rc; } /** * Claims an interface. * * This is a stub on Solaris since we release/claim all interfaces at * as and when required with endpoint opens. * * @returns success indicator (always true). */ static DECLCALLBACK(int) usbProxySolarisClaimInterface(PUSBPROXYDEV pProxyDev, int iIf) { return VINF_SUCCESS; } /** * Releases an interface. * * This is a stub on Solaris since we release/claim all interfaces at * as and when required with endpoint opens. * * @returns success indicator. */ static DECLCALLBACK(int) usbProxySolarisReleaseInterface(PUSBPROXYDEV pProxyDev, int iIf) { return VINF_SUCCESS; } /** * Specify an alternate setting for the specified interface of the current configuration. * * @returns success indicator. */ static DECLCALLBACK(int) usbProxySolarisSetInterface(PUSBPROXYDEV pProxyDev, int bIf, int bAlt) { LogFlowFunc((USBPROXY ": usbProxySolarisSetInterface: pProxyDev=%p bIf=%#x iAlt=%#x\n", pProxyDev, bIf, bAlt)); PUSBPROXYDEVSOL pDevSol = USBPROXYDEV_2_DATA(pProxyDev, PUSBPROXYDEVSOL); AssertPtrReturn(pDevSol, VERR_INVALID_POINTER); VBOXUSBREQ_SET_INTERFACE SetInterfaceReq; SetInterfaceReq.bInterface = bIf; SetInterfaceReq.bAlternate = bAlt; int rc = usbProxySolarisIOCtl(pDevSol, VBOXUSB_IOCTL_SET_INTERFACE, &SetInterfaceReq, sizeof(SetInterfaceReq)); if ( RT_FAILURE(rc) && rc != VERR_VUSB_DEVICE_NOT_ATTACHED) LogRel((USBPROXY ": usbProxySolarisSetInterface: Failed! rc=%Rrc\n", rc)); return rc; } /** * Clears the halted endpoint 'EndPt'. */ static DECLCALLBACK(int) usbProxySolarisClearHaltedEp(PUSBPROXYDEV pProxyDev, unsigned int EndPt) { LogFlowFunc((USBPROXY ": usbProxySolarisClearHaltedEp: pProxyDev=%p EndPt=%#x\n", pProxyDev, EndPt)); PUSBPROXYDEVSOL pDevSol = USBPROXYDEV_2_DATA(pProxyDev, PUSBPROXYDEVSOL); AssertPtrReturn(pDevSol, VERR_INVALID_POINTER); VBOXUSBREQ_CLEAR_EP ClearEpReq; ClearEpReq.bEndpoint = EndPt; int rc = usbProxySolarisIOCtl(pDevSol, VBOXUSB_IOCTL_CLEAR_EP, &ClearEpReq, sizeof(ClearEpReq)); if ( RT_FAILURE(rc) && rc != VERR_VUSB_DEVICE_NOT_ATTACHED) LogRel((USBPROXY ": usbProxySolarisClearHaltedEp: Failed! rc=%Rrc\n", rc)); return rc; } /** * @interface_method_impl{USBPROXYBACK,pfnUrbQueue} */ static DECLCALLBACK(int) usbProxySolarisUrbQueue(PUSBPROXYDEV pProxyDev, PVUSBURB pUrb) { PUSBPROXYDEVSOL pDevSol = USBPROXYDEV_2_DATA(pProxyDev, PUSBPROXYDEVSOL); LogFlowFunc((USBPROXY ": usbProxySolarisUrbQueue: pProxyDev=%s pUrb=%p pszDesc=%s EndPt=%#x enmDir=%d cbData=%d pvData=%p\n", pProxyDev->pUsbIns->pszName, pUrb, pUrb->pszDesc, pUrb->EndPt, pUrb->enmDir, pUrb->cbData, pUrb->abData)); PUSBPROXYURBSOL pUrbSol = usbProxySolarisUrbAlloc(pDevSol); if (RT_UNLIKELY(!pUrbSol)) { LogRel((USBPROXY ": usbProxySolarisUrbQueue: Failed to allocate URB\n")); return VERR_NO_MEMORY; } pUrbSol->pVUsbUrb = pUrb; pUrbSol->pDevSol = pDevSol; uint8_t EndPt = pUrb->EndPt; if (EndPt) EndPt |= pUrb->enmDir == VUSBDIRECTION_IN ? VUSB_DIR_TO_HOST : VUSB_DIR_TO_DEVICE; VBOXUSBREQ_URB UrbReq; UrbReq.pvUrbR3 = pUrbSol; UrbReq.bEndpoint = EndPt; UrbReq.enmType = pUrb->enmType; UrbReq.enmDir = pUrb->enmDir; UrbReq.enmStatus = pUrb->enmStatus; UrbReq.fShortOk = !pUrb->fShortNotOk; UrbReq.cbData = pUrb->cbData; UrbReq.pvData = &pUrb->abData[0]; Log6((USBPROXY ": Sending: EndPt=%#x Dir=%d cbData=%u\n", pUrb->EndPt, pUrb->enmDir, pUrb->cbData)); if (pUrb->enmType == VUSBXFERTYPE_ISOC) { UrbReq.cIsocPkts = pUrb->cIsocPkts; for (unsigned i = 0; i < pUrb->cIsocPkts; i++) { UrbReq.aIsocPkts[i].cbPkt = pUrb->aIsocPkts[i].cb; UrbReq.aIsocPkts[i].cbActPkt = 0; UrbReq.aIsocPkts[i].enmStatus = VUSBSTATUS_INVALID; } } int rc = usbProxySolarisIOCtl(pDevSol, VBOXUSB_IOCTL_SEND_URB, &UrbReq, sizeof(UrbReq)); if (RT_SUCCESS(rc)) { if (pUrb->enmType == VUSBXFERTYPE_ISOC) LogFlow((USBPROXY ":usbProxySolarisUrbQueue: Success cbData=%d\n", pUrb->cbData)); pUrb->Dev.pvPrivate = pUrbSol; return VINF_SUCCESS; } if (rc != VERR_VUSB_DEVICE_NOT_ATTACHED) { LogRel((USBPROXY ": usbProxySolarisUrbQueue: Failed! pProxyDev=%s pUrb=%p EndPt=%#x bEndpoint=%#x enmType=%d " "enmDir=%d cbData=%u rc=%Rrc\n", pProxyDev->pUsbIns->pszName, pUrb, pUrb->EndPt, UrbReq.bEndpoint, pUrb->enmType, pUrb->enmDir, pUrb->cbData, rc)); } return rc; } /** * Cancels a URB. * * The URB requires reaping, so we don't change its state. * @remark There isn't any way to cancel a specific asynchronous request * on Solaris. So we just abort pending URBs on the pipe. */ static DECLCALLBACK(int) usbProxySolarisUrbCancel(PUSBPROXYDEV pProxyDev, PVUSBURB pUrb) { PUSBPROXYURBSOL pUrbSol = (PUSBPROXYURBSOL)pUrb->Dev.pvPrivate; PUSBPROXYDEVSOL pDevSol = USBPROXYDEV_2_DATA(pProxyDev, PUSBPROXYDEVSOL); AssertPtrReturn(pDevSol, VERR_INVALID_POINTER); LogFlowFunc((USBPROXY ": usbProxySolarisUrbCancel: pUrb=%p pUrbSol=%p pDevSol=%p\n", pUrb, pUrbSol, pUrbSol->pDevSol)); /* Aborting the control pipe isn't supported, pretend success. */ if (!pUrb->EndPt) return VINF_SUCCESS; VBOXUSBREQ_ABORT_PIPE AbortPipeReq; AbortPipeReq.bEndpoint = pUrb->EndPt | (pUrb->enmDir == VUSBDIRECTION_IN ? VUSB_DIR_TO_HOST : VUSB_DIR_TO_DEVICE); int rc = usbProxySolarisIOCtl(pDevSol, VBOXUSB_IOCTL_ABORT_PIPE, &AbortPipeReq, sizeof(AbortPipeReq)); if ( RT_FAILURE(rc) && rc != VERR_VUSB_DEVICE_NOT_ATTACHED) LogRel((USBPROXY ": usbProxySolarisUrbCancel: Failed to abort pipe. rc=%Rrc\n", rc)); LogFlow((USBPROXY ": usbProxySolarisUrbCancel: returns rc=%Rrc\n", rc)); return rc; } /** * 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) usbProxySolarisUrbReap(PUSBPROXYDEV pProxyDev, RTMSINTERVAL cMillies) { LogFlowFunc((USBPROXY ":usbProxySolarisUrbReap pProxyDev=%p cMillies=%u\n", pProxyDev, cMillies)); PUSBPROXYDEVSOL pDevSol = USBPROXYDEV_2_DATA(pProxyDev, PUSBPROXYDEVSOL); /* * Don't block if nothing is in the air. */ if (!pDevSol->pInFlightHead) return NULL; /* * Deque URBs inflight or those landed. */ if (cMillies > 0) { for (;;) { int cMilliesWait = cMillies == RT_INDEFINITE_WAIT ? -1 : (int)cMillies; struct pollfd aFd[2]; size_t const cFds = RT_ELEMENTS(aFd); aFd[0].fd = RTFileToNative(pDevSol->hFile); aFd[0].events = POLLIN; aFd[0].revents = 0; aFd[1].fd = RTPipeToNative(pDevSol->hPipeWakeupR); aFd[1].events = POLLIN; aFd[1].revents = 0; int rc = poll(&aFd[0], cFds, cMilliesWait); if (rc > 0) { if (aFd[0].revents & POLLHUP) { LogRel((USBPROXY ": USB Device '%s' disconnected!\n", pDevSol->pProxyDev->pUsbIns->pszName)); pProxyDev->fDetached = true; usbProxySolarisCloseFile(pDevSol); } if (aFd[1].revents & POLLIN) { /* Got woken up, drain pipe. */ uint8_t bRead; size_t cbIgnored = 0; RTPipeRead(pDevSol->hPipeWakeupR, &bRead, 1, &cbIgnored); /* * It is possible that we got woken up and have an URB pending * for completion. Do it on the way out. Otherwise return * immediately to the caller. */ if (!(aFd[0].revents & POLLIN)) return NULL; } break; } else if (rc == 0) return NULL; else if (errno != EAGAIN) { LogFlow((USBPROXY ":usbProxySolarisUrbReap Poll rc=%d errno=%d\n", rc, errno)); return NULL; } } } usbProxySolarisUrbComplete(pDevSol); /* * Any URBs pending delivery? */ PVUSBURB pUrb = NULL; while ( pDevSol->pTaxingHead && !pUrb) { RTCritSectEnter(&pDevSol->CritSect); PUSBPROXYURBSOL pUrbSol = pDevSol->pTaxingHead; if (pUrbSol) { pUrb = pUrbSol->pVUsbUrb; if (pUrb) { /* * Remove it from the taxing list and move it to the free list. */ pUrb->Dev.pvPrivate = NULL; usbProxySolarisUrbFree(pDevSol, pUrbSol); } } RTCritSectLeave(&pDevSol->CritSect); } return pUrb; } /** * Reads a completed/error'd URB from the client driver (no waiting). * * @param pDevSol The Solaris device instance. */ static PVUSBURB usbProxySolarisUrbComplete(PUSBPROXYDEVSOL pDevSol) { LogFlowFunc((USBPROXY ": usbProxySolarisUrbComplete: pDevSol=%p\n", pDevSol)); VBOXUSBREQ_URB UrbReq; bzero(&UrbReq, sizeof(UrbReq)); int rc = usbProxySolarisIOCtl(pDevSol, VBOXUSB_IOCTL_REAP_URB, &UrbReq, sizeof(UrbReq)); if (RT_SUCCESS(rc)) { if (UrbReq.pvUrbR3) { PUSBPROXYURBSOL pUrbSol = (PUSBPROXYURBSOL)UrbReq.pvUrbR3; PVUSBURB pUrb = pUrbSol->pVUsbUrb; if (RT_LIKELY(pUrb)) { Assert(pUrb->u32Magic == VUSBURB_MAGIC); /* * Update the URB. */ if ( pUrb->enmType == VUSBXFERTYPE_ISOC && pUrb->enmDir == VUSBDIRECTION_IN) { size_t cbData = 0; for (unsigned i = 0; i < UrbReq.cIsocPkts; i++) { pUrb->aIsocPkts[i].cb = UrbReq.aIsocPkts[i].cbActPkt; cbData += UrbReq.aIsocPkts[i].cbActPkt; pUrb->aIsocPkts[i].enmStatus = UrbReq.aIsocPkts[i].enmStatus; } LogFlow((USBPROXY ":usbProxySolarisUrbComplete: Isoc cbData=%d cbActPktSum=%d\n", pUrb->cbData, cbData)); pUrb->cbData = cbData; pUrb->enmStatus = UrbReq.enmStatus; } else { pUrb->cbData = UrbReq.cbData; pUrb->enmStatus = UrbReq.enmStatus; } RTCritSectEnter(&pDevSol->CritSect); /* * Remove from the active list. */ if (pUrbSol->pNext) pUrbSol->pNext->pPrev = pUrbSol->pPrev; if (pUrbSol->pPrev) pUrbSol->pPrev->pNext = pUrbSol->pNext; else { Assert(pDevSol->pInFlightHead == pUrbSol); pDevSol->pInFlightHead = pUrbSol->pNext; } /* * Add to the tail of the taxing list. */ pUrbSol->pNext = NULL; pUrbSol->pPrev = pDevSol->pTaxingTail; if (pDevSol->pTaxingTail) pDevSol->pTaxingTail->pNext = pUrbSol; else pDevSol->pTaxingHead = pUrbSol; pDevSol->pTaxingTail = pUrbSol; RTCritSectLeave(&pDevSol->CritSect); Log6((USBPROXY ": Reaping: EndPt=%#x Dir=%d cbData=%u\n", pUrb->EndPt, pUrb->enmDir, pUrb->cbData)); if (pUrb->cbData < 1024) Log6(("%.*Rhxd\n", pUrb->cbData, pUrb->abData)); return pUrb; } } } else { if (rc != VERR_VUSB_DEVICE_NOT_ATTACHED) LogRel((USBPROXY ": Reaping URB failed. rc=%Rrc\n", rc)); } return NULL; } static DECLCALLBACK(int) usbProxySolarisWakeup(PUSBPROXYDEV pProxyDev) { PUSBPROXYDEVSOL pDevSol = USBPROXYDEV_2_DATA(pProxyDev, PUSBPROXYDEVSOL); size_t cbIgnored; LogFlowFunc(("pProxyDev=%p\n", pProxyDev)); return RTPipeWrite(pDevSol->hPipeWakeupW, "", 1, &cbIgnored); } /** * The Solaris USB Proxy Backend. */ extern const USBPROXYBACK g_USBProxyDeviceHost = { /* pszName */ "host", /* cbBackend */ sizeof(USBPROXYDEVSOL), usbProxySolarisOpen, NULL, usbProxySolarisClose, usbProxySolarisReset, usbProxySolarisSetConfig, usbProxySolarisClaimInterface, usbProxySolarisReleaseInterface, usbProxySolarisSetInterface, usbProxySolarisClearHaltedEp, usbProxySolarisUrbQueue, usbProxySolarisUrbCancel, usbProxySolarisUrbReap, usbProxySolarisWakeup, 0 };