/** * @interface_method_impl{PDMDRVREG,pfnAttach} */ static DECLCALLBACK(int) drvR3NetShaperAttach(PPDMDRVINS pDrvIns, uint32_t fFlags) { PDRVNETSHAPER pThis = PDMINS_2_DATA(pDrvIns, PDRVNETSHAPER); LogFlow(("drvNetShaperAttach/#%#x: fFlags=%#x\n", pDrvIns->iInstance, fFlags)); PDMCritSectEnter(&pThis->XmitLock, VERR_IGNORED); /* * Query the network connector interface. */ PPDMIBASE pBaseDown; int rc = PDMDrvHlpAttach(pDrvIns, fFlags, &pBaseDown); if ( rc == VERR_PDM_NO_ATTACHED_DRIVER || rc == VERR_PDM_CFG_MISSING_DRIVER_NAME) { pThis->pIBelowNetR3 = NULL; pThis->pIBelowNetR0 = NIL_RTR0PTR; rc = VINF_SUCCESS; } else if (RT_SUCCESS(rc)) { pThis->pIBelowNetR3 = PDMIBASE_QUERY_INTERFACE(pBaseDown, PDMINETWORKUP); if (pThis->pIBelowNetR3) { PPDMIBASER0 pBaseR0 = PDMIBASE_QUERY_INTERFACE(pBaseDown, PDMIBASER0); pThis->pIBelowNetR0 = pBaseR0 ? pBaseR0->pfnQueryInterface(pBaseR0, PDMINETWORKUP_IID) : NIL_RTR0PTR; rc = VINF_SUCCESS; } else { AssertMsgFailed(("Configuration error: the driver below didn't export the network connector interface!\n")); rc = VERR_PDM_MISSING_INTERFACE_BELOW; } } else AssertMsgFailed(("Failed to attach to driver below! rc=%Rrc\n", rc)); PDMCritSectLeave(&pThis->XmitLock); return VINF_SUCCESS; }
/** * @interface_method_impl{Construct a NAT network transport driver instance, * PDMDRVREG,pfnDestruct} */ static DECLCALLBACK(int) drvR3NetShaperConstruct(PPDMDRVINS pDrvIns, PCFGMNODE pCfg, uint32_t fFlags) { PDRVNETSHAPER pThis = PDMINS_2_DATA(pDrvIns, PDRVNETSHAPER); LogFlow(("drvNetShaperConstruct:\n")); PDMDRV_CHECK_VERSIONS_RETURN(pDrvIns); /* * Init the static parts. */ pThis->pDrvInsR3 = pDrvIns; pThis->pDrvInsR0 = PDMDRVINS_2_R0PTR(pDrvIns); /* IBase */ pDrvIns->IBase.pfnQueryInterface = drvR3NetShaperIBase_QueryInterface; pThis->IBaseR0.pfnQueryInterface = drvR3NetShaperIBaseR0_QueryInterface; pThis->IBaseRC.pfnQueryInterface = drvR3NetShaperIBaseRC_QueryInterface; /* INetworkUp */ pThis->INetworkUpR3.pfnBeginXmit = drvNetShaperUp_BeginXmit; pThis->INetworkUpR3.pfnAllocBuf = drvNetShaperUp_AllocBuf; pThis->INetworkUpR3.pfnFreeBuf = drvNetShaperUp_FreeBuf; pThis->INetworkUpR3.pfnSendBuf = drvNetShaperUp_SendBuf; pThis->INetworkUpR3.pfnEndXmit = drvNetShaperUp_EndXmit; pThis->INetworkUpR3.pfnSetPromiscuousMode = drvNetShaperUp_SetPromiscuousMode; pThis->INetworkUpR3.pfnNotifyLinkChanged = drvR3NetShaperUp_NotifyLinkChanged; /* Resolve the ring-0 context interface addresses. */ int rc = pDrvIns->pHlpR3->pfnLdrGetR0InterfaceSymbols(pDrvIns, &pThis->INetworkUpR0, sizeof(pThis->INetworkUpR0), "drvNetShaperUp_", PDMINETWORKUP_SYM_LIST); AssertLogRelRCReturn(rc, rc); /* INetworkDown */ pThis->INetworkDown.pfnWaitReceiveAvail = drvR3NetShaperDown_WaitReceiveAvail; pThis->INetworkDown.pfnReceive = drvR3NetShaperDown_Receive; pThis->INetworkDown.pfnReceiveGso = drvR3NetShaperDown_ReceiveGso; pThis->INetworkDown.pfnXmitPending = drvR3NetShaperDown_XmitPending; /* INetworkConfig */ pThis->INetworkConfig.pfnGetMac = drvR3NetShaperDownCfg_GetMac; pThis->INetworkConfig.pfnGetLinkState = drvR3NetShaperDownCfg_GetLinkState; pThis->INetworkConfig.pfnSetLinkState = drvR3NetShaperDownCfg_SetLinkState; /* * Create the locks. */ rc = PDMDrvHlpCritSectInit(pDrvIns, &pThis->XmitLock, RT_SRC_POS, "NetShaper"); AssertRCReturn(rc, rc); /* * Validate the config. */ if (!CFGMR3AreValuesValid(pCfg, "BwGroup\0")) return VERR_PDM_DRVINS_UNKNOWN_CFG_VALUES; /* * Find the bandwidth group we have to attach to. */ rc = CFGMR3QueryStringAlloc(pCfg, "BwGroup", &pThis->pszBwGroup); if (RT_FAILURE(rc) && rc != VERR_CFGM_VALUE_NOT_FOUND) { rc = PDMDRV_SET_ERROR(pDrvIns, rc, N_("DrvNetShaper: Configuration error: Querying \"BwGroup\" as string failed")); return rc; } else rc = VINF_SUCCESS; pThis->Filter.pIDrvNetR3 = &pThis->INetworkDown; rc = PDMDrvHlpNetShaperAttach(pDrvIns, pThis->pszBwGroup, &pThis->Filter); if (RT_FAILURE(rc)) { rc = PDMDRV_SET_ERROR(pDrvIns, rc, N_("DrvNetShaper: Configuration error: Failed to attach to bandwidth group")); return rc; } /* * Query the network port interface. */ pThis->pIAboveNet = PDMIBASE_QUERY_INTERFACE(pDrvIns->pUpBase, PDMINETWORKDOWN); if (!pThis->pIAboveNet) { AssertMsgFailed(("Configuration error: the above device/driver didn't export the network port interface!\n")); return VERR_PDM_MISSING_INTERFACE_ABOVE; } /* * Query the network config interface. */ pThis->pIAboveConfig = PDMIBASE_QUERY_INTERFACE(pDrvIns->pUpBase, PDMINETWORKCONFIG); if (!pThis->pIAboveConfig) { AssertMsgFailed(("Configuration error: the above device/driver didn't export the network config interface!\n")); return VERR_PDM_MISSING_INTERFACE_ABOVE; } /* * Query the network connector interface. */ PPDMIBASE pBaseDown; rc = PDMDrvHlpAttach(pDrvIns, fFlags, &pBaseDown); if ( rc == VERR_PDM_NO_ATTACHED_DRIVER || rc == VERR_PDM_CFG_MISSING_DRIVER_NAME) { pThis->pIBelowNetR3 = NULL; pThis->pIBelowNetR0 = NIL_RTR0PTR; } else if (RT_SUCCESS(rc)) { pThis->pIBelowNetR3 = PDMIBASE_QUERY_INTERFACE(pBaseDown, PDMINETWORKUP); if (!pThis->pIBelowNetR3) { AssertMsgFailed(("Configuration error: the driver below didn't export the network connector interface!\n")); return VERR_PDM_MISSING_INTERFACE_BELOW; } PPDMIBASER0 pBaseR0 = PDMIBASE_QUERY_INTERFACE(pBaseDown, PDMIBASER0); pThis->pIBelowNetR0 = pBaseR0 ? pBaseR0->pfnQueryInterface(pBaseR0, PDMINETWORKUP_IID) : NIL_RTR0PTR; } else { AssertMsgFailed(("Failed to attach to driver below! rc=%Rrc\n", rc)); return rc; } /* * Register statistics. */ PDMDrvHlpSTAMRegCounterEx(pDrvIns, &pThis->StatXmitBytesRequested, "Bytes/Tx/Requested", STAMUNIT_BYTES, "Number of requested TX bytes."); PDMDrvHlpSTAMRegCounterEx(pDrvIns, &pThis->StatXmitBytesDenied, "Bytes/Tx/Denied", STAMUNIT_BYTES, "Number of denied TX bytes."); PDMDrvHlpSTAMRegCounterEx(pDrvIns, &pThis->StatXmitBytesGranted, "Bytes/Tx/Granted", STAMUNIT_BYTES, "Number of granted TX bytes."); PDMDrvHlpSTAMRegCounter(pDrvIns, &pThis->StatXmitPktsRequested, "Packets/Tx/Requested", "Number of requested TX packets."); PDMDrvHlpSTAMRegCounter(pDrvIns, &pThis->StatXmitPktsDenied, "Packets/Tx/Denied", "Number of denied TX packets."); PDMDrvHlpSTAMRegCounter(pDrvIns, &pThis->StatXmitPktsGranted, "Packets/Tx/Granted", "Number of granted TX packets."); PDMDrvHlpSTAMRegCounter(pDrvIns, &pThis->StatXmitPendingCalled, "Tx/WakeUp", "Number of wakeup TX calls."); return VINF_SUCCESS; }
/** * Construct a char driver instance. * * @copydoc FNPDMDRVCONSTRUCT */ static DECLCALLBACK(int) drvCharConstruct(PPDMDRVINS pDrvIns, PCFGMNODE pCfg, uint32_t fFlags) { PDRVCHAR pThis = PDMINS_2_DATA(pDrvIns, PDRVCHAR); LogFlow(("%s: iInstance=%d\n", __FUNCTION__, pDrvIns->iInstance)); PDMDRV_CHECK_VERSIONS_RETURN(pDrvIns); /* * Init basic data members and interfaces. */ pThis->fShutdown = false; pThis->ReceiveThread = NIL_RTTHREAD; pThis->SendThread = NIL_RTTHREAD; pThis->SendSem = NIL_RTSEMEVENT; /* IBase. */ pDrvIns->IBase.pfnQueryInterface = drvCharQueryInterface; /* ICharConnector. */ pThis->ICharConnector.pfnWrite = drvCharWrite; pThis->ICharConnector.pfnSetParameters = drvCharSetParameters; pThis->ICharConnector.pfnSetModemLines = drvCharSetModemLines; pThis->ICharConnector.pfnSetBreak = drvCharSetBreak; /* * Get the ICharPort interface of the above driver/device. */ pThis->pDrvCharPort = PDMIBASE_QUERY_INTERFACE(pDrvIns->pUpBase, PDMICHARPORT); if (!pThis->pDrvCharPort) return PDMDrvHlpVMSetError(pDrvIns, VERR_PDM_MISSING_INTERFACE_ABOVE, RT_SRC_POS, N_("Char#%d has no char port interface above"), pDrvIns->iInstance); /* * Attach driver below and query its stream interface. */ PPDMIBASE pBase; int rc = PDMDrvHlpAttach(pDrvIns, fFlags, &pBase); if (RT_FAILURE(rc)) return rc; /* Don't call PDMDrvHlpVMSetError here as we assume that the driver already set an appropriate error */ pThis->pDrvStream = PDMIBASE_QUERY_INTERFACE(pBase, PDMISTREAM); if (!pThis->pDrvStream) return PDMDrvHlpVMSetError(pDrvIns, VERR_PDM_MISSING_INTERFACE_BELOW, RT_SRC_POS, N_("Char#%d has no stream interface below"), pDrvIns->iInstance); /* * Don't start the receive thread if the driver doesn't support reading */ if (pThis->pDrvStream->pfnRead) { rc = RTThreadCreate(&pThis->ReceiveThread, drvCharReceiveLoop, (void *)pThis, 0, RTTHREADTYPE_IO, RTTHREADFLAGS_WAITABLE, "CharRecv"); if (RT_FAILURE(rc)) return PDMDrvHlpVMSetError(pDrvIns, rc, RT_SRC_POS, N_("Char#%d cannot create receive thread"), pDrvIns->iInstance); } rc = RTSemEventCreate(&pThis->SendSem); AssertRCReturn(rc, rc); rc = RTThreadCreate(&pThis->SendThread, drvCharSendLoop, (void *)pThis, 0, RTTHREADTYPE_IO, RTTHREADFLAGS_WAITABLE, "CharSend"); if (RT_FAILURE(rc)) return PDMDrvHlpVMSetError(pDrvIns, rc, RT_SRC_POS, N_("Char#%d cannot create send thread"), pDrvIns->iInstance); PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->StatBytesWritten, STAMTYPE_COUNTER, STAMVISIBILITY_USED, STAMUNIT_BYTES, "Nr of bytes written", "/Devices/Char%d/Written", pDrvIns->iInstance); PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->StatBytesRead, STAMTYPE_COUNTER, STAMVISIBILITY_USED, STAMUNIT_BYTES, "Nr of bytes read", "/Devices/Char%d/Read", pDrvIns->iInstance); return VINF_SUCCESS; }
/** * Construct a disk integrity driver instance. * * @copydoc FNPDMDRVCONSTRUCT */ static DECLCALLBACK(int) drvdiskintConstruct(PPDMDRVINS pDrvIns, PCFGMNODE pCfg, uint32_t fFlags) { int rc = VINF_SUCCESS; PDRVDISKINTEGRITY pThis = PDMINS_2_DATA(pDrvIns, PDRVDISKINTEGRITY); LogFlow(("drvdiskintConstruct: iInstance=%d\n", pDrvIns->iInstance)); PDMDRV_CHECK_VERSIONS_RETURN(pDrvIns); /* * Validate configuration. */ if (!CFGMR3AreValuesValid(pCfg, "CheckConsistency\0" "TraceRequests\0" "CheckIntervalMs\0" "ExpireIntervalMs\0" "CheckDoubleCompletions\0" "HistorySize\0" "IoLog\0")) return VERR_PDM_DRVINS_UNKNOWN_CFG_VALUES; rc = CFGMR3QueryBoolDef(pCfg, "CheckConsistency", &pThis->fCheckConsistency, false); AssertRC(rc); rc = CFGMR3QueryBoolDef(pCfg, "TraceRequests", &pThis->fTraceRequests, false); AssertRC(rc); rc = CFGMR3QueryU32Def(pCfg, "CheckIntervalMs", &pThis->uCheckIntervalMs, 5000); /* 5 seconds */ AssertRC(rc); rc = CFGMR3QueryU32Def(pCfg, "ExpireIntervalMs", &pThis->uExpireIntervalMs, 20000); /* 20 seconds */ AssertRC(rc); rc = CFGMR3QueryBoolDef(pCfg, "CheckDoubleCompletions", &pThis->fCheckDoubleCompletion, false); AssertRC(rc); rc = CFGMR3QueryU32Def(pCfg, "HistorySize", &pThis->cEntries, 512); AssertRC(rc); char *pszIoLogFilename = NULL; rc = CFGMR3QueryStringAlloc(pCfg, "IoLog", &pszIoLogFilename); Assert(RT_SUCCESS(rc) || rc == VERR_CFGM_VALUE_NOT_FOUND); /* * Initialize most of the data members. */ pThis->pDrvIns = pDrvIns; /* IBase. */ pDrvIns->IBase.pfnQueryInterface = drvdiskintQueryInterface; /* IMedia */ pThis->IMedia.pfnRead = drvdiskintRead; pThis->IMedia.pfnWrite = drvdiskintWrite; pThis->IMedia.pfnFlush = drvdiskintFlush; pThis->IMedia.pfnGetSize = drvdiskintGetSize; pThis->IMedia.pfnIsReadOnly = drvdiskintIsReadOnly; pThis->IMedia.pfnBiosGetPCHSGeometry = drvdiskintBiosGetPCHSGeometry; pThis->IMedia.pfnBiosSetPCHSGeometry = drvdiskintBiosSetPCHSGeometry; pThis->IMedia.pfnBiosGetLCHSGeometry = drvdiskintBiosGetLCHSGeometry; pThis->IMedia.pfnBiosSetLCHSGeometry = drvdiskintBiosSetLCHSGeometry; pThis->IMedia.pfnGetUuid = drvdiskintGetUuid; /* IMediaAsync */ pThis->IMediaAsync.pfnStartRead = drvdiskintStartRead; pThis->IMediaAsync.pfnStartWrite = drvdiskintStartWrite; pThis->IMediaAsync.pfnStartFlush = drvdiskintStartFlush; /* IMediaAsyncPort. */ pThis->IMediaAsyncPort.pfnTransferCompleteNotify = drvdiskintAsyncTransferCompleteNotify; /* IMediaPort. */ pThis->IMediaPort.pfnQueryDeviceLocation = drvdiskintQueryDeviceLocation; /* Query the media port interface above us. */ pThis->pDrvMediaPort = PDMIBASE_QUERY_INTERFACE(pDrvIns->pUpBase, PDMIMEDIAPORT); if (!pThis->pDrvMediaPort) return PDMDRV_SET_ERROR(pDrvIns, VERR_PDM_MISSING_INTERFACE_BELOW, N_("No media port inrerface above")); /* Try to attach async media port interface above.*/ pThis->pDrvMediaAsyncPort = PDMIBASE_QUERY_INTERFACE(pDrvIns->pUpBase, PDMIMEDIAASYNCPORT); /* * Try attach driver below and query it's media interface. */ PPDMIBASE pBase; rc = PDMDrvHlpAttach(pDrvIns, fFlags, &pBase); if (RT_FAILURE(rc)) return PDMDrvHlpVMSetError(pDrvIns, rc, RT_SRC_POS, N_("Failed to attach driver below us! %Rrc"), rc); pThis->pDrvMedia = PDMIBASE_QUERY_INTERFACE(pBase, PDMIMEDIA); if (!pThis->pDrvMedia) return PDMDRV_SET_ERROR(pDrvIns, VERR_PDM_MISSING_INTERFACE_BELOW, N_("No media or async media interface below")); pThis->pDrvMediaAsync = PDMIBASE_QUERY_INTERFACE(pBase, PDMIMEDIAASYNC); if (pThis->pDrvMedia->pfnDiscard) pThis->IMedia.pfnDiscard = drvdiskintDiscard; if ( pThis->pDrvMediaAsync && pThis->pDrvMediaAsync->pfnStartDiscard) pThis->IMediaAsync.pfnStartDiscard = drvdiskintStartDiscard; if (pThis->fCheckConsistency) { /* Create the AVL tree. */ pThis->pTreeSegments = (PAVLRFOFFTREE)RTMemAllocZ(sizeof(AVLRFOFFTREE)); if (!pThis->pTreeSegments) rc = VERR_NO_MEMORY; } if (pThis->fTraceRequests) { for (unsigned i = 0; i < RT_ELEMENTS(pThis->apReqActive); i++) { pThis->apReqActive[i].pIoReq = NULL; pThis->apReqActive[i].tsStart = 0; } pThis->iNextFreeSlot = 0; /* Init event semaphore. */ rc = RTSemEventCreate(&pThis->SemEvent); AssertRC(rc); pThis->fRunning = true; rc = RTThreadCreate(&pThis->hThread, drvdiskIntIoReqExpiredCheck, pThis, 0, RTTHREADTYPE_INFREQUENT_POLLER, 0, "DiskIntegrity"); AssertRC(rc); } if (pThis->fCheckDoubleCompletion) { pThis->iEntry = 0; pThis->papIoReq = (PDRVDISKAIOREQ *)RTMemAllocZ(pThis->cEntries * sizeof(PDRVDISKAIOREQ)); AssertPtr(pThis->papIoReq); } if (pszIoLogFilename) { rc = VDDbgIoLogCreate(&pThis->hIoLogger, pszIoLogFilename, VDDBG_IOLOG_LOG_DATA); MMR3HeapFree(pszIoLogFilename); } return rc; }
/** * Construct a keyboard driver instance. * * @copydoc FNPDMDRVCONSTRUCT */ static DECLCALLBACK(int) drvKbdQueueConstruct(PPDMDRVINS pDrvIns, PCFGMNODE pCfg, uint32_t fFlags) { PDRVKBDQUEUE pDrv = PDMINS_2_DATA(pDrvIns, PDRVKBDQUEUE); LogFlow(("drvKbdQueueConstruct: iInstance=%d\n", pDrvIns->iInstance)); PDMDRV_CHECK_VERSIONS_RETURN(pDrvIns); /* * Validate configuration. */ if (!CFGMR3AreValuesValid(pCfg, "QueueSize\0Interval\0")) return VERR_PDM_DRVINS_UNKNOWN_CFG_VALUES; /* * Init basic data members and interfaces. */ pDrv->fInactive = true; pDrv->fSuspended = false; pDrv->XlatState = SS_IDLE; /* IBase. */ pDrvIns->IBase.pfnQueryInterface = drvKbdQueueQueryInterface; /* IKeyboardConnector. */ pDrv->IConnector.pfnLedStatusChange = drvKbdPassThruLedsChange; pDrv->IConnector.pfnSetActive = drvKbdPassThruSetActive; pDrv->IConnector.pfnFlushQueue = drvKbdFlushQueue; /* IKeyboardPort. */ pDrv->IPort.pfnPutEventScan = drvKbdQueuePutEventScan; /* * Get the IKeyboardPort interface of the above driver/device. */ pDrv->pUpPort = PDMIBASE_QUERY_INTERFACE(pDrvIns->pUpBase, PDMIKEYBOARDPORT); if (!pDrv->pUpPort) { AssertMsgFailed(("Configuration error: No keyboard port interface above!\n")); return VERR_PDM_MISSING_INTERFACE_ABOVE; } /* * Attach driver below and query it's connector interface. */ PPDMIBASE pDownBase; int rc = PDMDrvHlpAttach(pDrvIns, fFlags, &pDownBase); if (RT_FAILURE(rc)) { AssertMsgFailed(("Failed to attach driver below us! rc=%Rra\n", rc)); return rc; } pDrv->pDownConnector = PDMIBASE_QUERY_INTERFACE(pDownBase, PDMIKEYBOARDCONNECTOR); if (!pDrv->pDownConnector) { AssertMsgFailed(("Configuration error: No keyboard connector interface below!\n")); return VERR_PDM_MISSING_INTERFACE_BELOW; } /* * Create the queue. */ uint32_t cMilliesInterval = 0; rc = CFGMR3QueryU32(pCfg, "Interval", &cMilliesInterval); if (rc == VERR_CFGM_VALUE_NOT_FOUND) cMilliesInterval = 0; else if (RT_FAILURE(rc)) { AssertMsgFailed(("Configuration error: 32-bit \"Interval\" -> rc=%Rrc\n", rc)); return rc; } uint32_t cItems = 0; rc = CFGMR3QueryU32(pCfg, "QueueSize", &cItems); if (rc == VERR_CFGM_VALUE_NOT_FOUND) cItems = 128; else if (RT_FAILURE(rc)) { AssertMsgFailed(("Configuration error: 32-bit \"QueueSize\" -> rc=%Rrc\n", rc)); return rc; } rc = PDMDrvHlpQueueCreate(pDrvIns, sizeof(DRVKBDQUEUEITEM), cItems, cMilliesInterval, drvKbdQueueConsumer, "Keyboard", &pDrv->pQueue); if (RT_FAILURE(rc)) { AssertMsgFailed(("Failed to create driver: cItems=%d cMilliesInterval=%d rc=%Rrc\n", cItems, cMilliesInterval, rc)); return rc; } return VINF_SUCCESS; }
/** * Construct a block driver instance. * * @copydoc FNPDMDRVCONSTRUCT */ static DECLCALLBACK(int) drvscsiConstruct(PPDMDRVINS pDrvIns, PCFGMNODE pCfg, uint32_t fFlags) { int rc = VINF_SUCCESS; PDRVSCSI pThis = PDMINS_2_DATA(pDrvIns, PDRVSCSI); LogFlowFunc(("pDrvIns=%#p pCfg=%#p\n", pDrvIns, pCfg)); PDMDRV_CHECK_VERSIONS_RETURN(pDrvIns); /* * Initialize the instance data. */ pThis->pDrvIns = pDrvIns; pThis->ISCSIConnector.pfnSCSIRequestSend = drvscsiRequestSend; pThis->ISCSIConnector.pfnQueryLUNType = drvscsiQueryLUNType; pDrvIns->IBase.pfnQueryInterface = drvscsiQueryInterface; pThis->IMountNotify.pfnMountNotify = drvscsiMountNotify; pThis->IMountNotify.pfnUnmountNotify = drvscsiUnmountNotify; pThis->IPort.pfnQueryDeviceLocation = drvscsiQueryDeviceLocation; pThis->IPortAsync.pfnTransferCompleteNotify = drvscsiTransferCompleteNotify; pThis->hQueueRequests = NIL_RTREQQUEUE; /* Query the SCSI port interface above. */ pThis->pDevScsiPort = PDMIBASE_QUERY_INTERFACE(pDrvIns->pUpBase, PDMISCSIPORT); AssertMsgReturn(pThis->pDevScsiPort, ("Missing SCSI port interface above\n"), VERR_PDM_MISSING_INTERFACE); /* Query the optional LED interface above. */ pThis->pLedPort = PDMIBASE_QUERY_INTERFACE(pDrvIns->pUpBase, PDMILEDPORTS); if (pThis->pLedPort != NULL) { /* Get The Led. */ rc = pThis->pLedPort->pfnQueryStatusLed(pThis->pLedPort, 0, &pThis->pLed); if (RT_FAILURE(rc)) pThis->pLed = &pThis->Led; } else pThis->pLed = &pThis->Led; /* * Validate and read configuration. */ if (!CFGMR3AreValuesValid(pCfg, "NonRotationalMedium\0Readonly\0")) return PDMDRV_SET_ERROR(pDrvIns, VERR_PDM_DEVINS_UNKNOWN_CFG_VALUES, N_("SCSI configuration error: unknown option specified")); rc = CFGMR3QueryBoolDef(pCfg, "NonRotationalMedium", &pThis->fNonRotational, false); if (RT_FAILURE(rc)) return PDMDRV_SET_ERROR(pDrvIns, rc, N_("SCSI configuration error: failed to read \"NonRotationalMedium\" as boolean")); rc = CFGMR3QueryBoolDef(pCfg, "Readonly", &pThis->fReadonly, false); if (RT_FAILURE(rc)) return PDMDRV_SET_ERROR(pDrvIns, rc, N_("SCSI configuration error: failed to read \"Readonly\" as boolean")); /* * Try attach driver below and query it's block interface. */ rc = PDMDrvHlpAttach(pDrvIns, fFlags, &pThis->pDrvBase); AssertMsgReturn(RT_SUCCESS(rc), ("Attaching driver below failed rc=%Rrc\n", rc), rc); /* * Query the block and blockbios interfaces. */ pThis->pDrvBlock = PDMIBASE_QUERY_INTERFACE(pThis->pDrvBase, PDMIBLOCK); if (!pThis->pDrvBlock) { AssertMsgFailed(("Configuration error: No block interface!\n")); return VERR_PDM_MISSING_INTERFACE; } pThis->pDrvBlockBios = PDMIBASE_QUERY_INTERFACE(pThis->pDrvBase, PDMIBLOCKBIOS); if (!pThis->pDrvBlockBios) { AssertMsgFailed(("Configuration error: No block BIOS interface!\n")); return VERR_PDM_MISSING_INTERFACE; } pThis->pDrvMount = PDMIBASE_QUERY_INTERFACE(pThis->pDrvBase, PDMIMOUNT); /* Try to get the optional async block interface. */ pThis->pDrvBlockAsync = PDMIBASE_QUERY_INTERFACE(pThis->pDrvBase, PDMIBLOCKASYNC); PDMBLOCKTYPE enmType = pThis->pDrvBlock->pfnGetType(pThis->pDrvBlock); VSCSILUNTYPE enmLunType; switch (enmType) { case PDMBLOCKTYPE_HARD_DISK: enmLunType = VSCSILUNTYPE_SBC; break; case PDMBLOCKTYPE_CDROM: case PDMBLOCKTYPE_DVD: enmLunType = VSCSILUNTYPE_MMC; break; default: return PDMDrvHlpVMSetError(pDrvIns, VERR_PDM_UNSUPPORTED_BLOCK_TYPE, RT_SRC_POS, N_("Only hard disks and CD/DVD-ROMs are currently supported as SCSI devices (enmType=%d)"), enmType); } if ( ( enmType == PDMBLOCKTYPE_DVD || enmType == PDMBLOCKTYPE_CDROM) && !pThis->pDrvMount) { AssertMsgFailed(("Internal error: cdrom without a mountable interface\n")); return VERR_INTERNAL_ERROR; } /* Create VSCSI device and LUN. */ pThis->VScsiIoCallbacks.pfnVScsiLunMediumGetSize = drvscsiGetSize; pThis->VScsiIoCallbacks.pfnVScsiLunMediumGetSectorSize = drvscsiGetSectorSize; pThis->VScsiIoCallbacks.pfnVScsiLunReqTransferEnqueue = drvscsiReqTransferEnqueue; pThis->VScsiIoCallbacks.pfnVScsiLunGetFeatureFlags = drvscsiGetFeatureFlags; pThis->VScsiIoCallbacks.pfnVScsiLunMediumSetLock = drvscsiSetLock; rc = VSCSIDeviceCreate(&pThis->hVScsiDevice, drvscsiVScsiReqCompleted, pThis); AssertMsgReturn(RT_SUCCESS(rc), ("Failed to create VSCSI device rc=%Rrc\n"), rc); rc = VSCSILunCreate(&pThis->hVScsiLun, enmLunType, &pThis->VScsiIoCallbacks, pThis); AssertMsgReturn(RT_SUCCESS(rc), ("Failed to create VSCSI LUN rc=%Rrc\n"), rc); rc = VSCSIDeviceLunAttach(pThis->hVScsiDevice, pThis->hVScsiLun, 0); AssertMsgReturn(RT_SUCCESS(rc), ("Failed to attached the LUN to the SCSI device\n"), rc); //@todo: This is a very hacky way of telling the LUN whether a medium was mounted. // The mount/unmount interface doesn't work in a very sensible manner! if (pThis->pDrvMount) { if (pThis->pDrvBlock->pfnGetSize(pThis->pDrvBlock)) { rc = VINF_SUCCESS; VSCSILunMountNotify(pThis->hVScsiLun); AssertMsgReturn(RT_SUCCESS(rc), ("Failed to notify the LUN of media being mounted\n"), rc); } else { rc = VINF_SUCCESS; VSCSILunUnmountNotify(pThis->hVScsiLun); AssertMsgReturn(RT_SUCCESS(rc), ("Failed to notify the LUN of media being unmounted\n"), rc); } } /* Register statistics counter. */ /** @todo aeichner: Find a way to put the instance number of the attached * controller device when we support more than one controller of the same type. * At the moment we have the 0 hardcoded. */ PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->StatBytesRead, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_BYTES, "Amount of data read.", "/Devices/SCSI0/%d/ReadBytes", pDrvIns->iInstance); PDMDrvHlpSTAMRegisterF(pDrvIns, &pThis->StatBytesWritten, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_BYTES, "Amount of data written.", "/Devices/SCSI0/%d/WrittenBytes", pDrvIns->iInstance); pThis->StatIoDepth = 0; PDMDrvHlpSTAMRegisterF(pDrvIns, (void *)&pThis->StatIoDepth, STAMTYPE_U32, STAMVISIBILITY_ALWAYS, STAMUNIT_COUNT, "Number of active tasks.", "/Devices/SCSI0/%d/IoDepth", pDrvIns->iInstance); if (!pThis->pDrvBlockAsync) { /* Create request queue. */ rc = RTReqQueueCreate(&pThis->hQueueRequests); AssertMsgReturn(RT_SUCCESS(rc), ("Failed to create request queue rc=%Rrc\n"), rc); /* Create I/O thread. */ rc = PDMDrvHlpThreadCreate(pDrvIns, &pThis->pAsyncIOThread, pThis, drvscsiAsyncIOLoop, drvscsiAsyncIOLoopWakeup, 0, RTTHREADTYPE_IO, "SCSI async IO"); AssertMsgReturn(RT_SUCCESS(rc), ("Failed to create async I/O thread rc=%Rrc\n"), rc); LogRel(("SCSI#%d: using normal I/O\n", pDrvIns->iInstance)); } else LogRel(("SCSI#%d: using async I/O\n", pDrvIns->iInstance)); if ( pThis->pDrvBlock->pfnDiscard || ( pThis->pDrvBlockAsync && pThis->pDrvBlockAsync->pfnStartDiscard)) LogRel(("SCSI#%d: Enabled UNMAP support\n")); return VINF_SUCCESS; }