NTSTATUS Bus_IoCtl ( IN PDEVICE_OBJECT DeviceObject, IN PIRP Irp ) /*++ Routine Description: Handle user mode PlugIn, UnPlug and device Eject requests. Arguments: DeviceObject - pointer to a device object. Irp - pointer to an I/O Request Packet. Return Value: NT status code --*/ { PIO_STACK_LOCATION irpStack; NTSTATUS status; ULONG inlen, outlen; PFDO_DEVICE_DATA fdoData; PVOID buffer; PAGED_CODE (); // // It is not safe to call IOCTL in raised IRQL. // ASSERT(KeGetCurrentIrql() == PASSIVE_LEVEL); fdoData = (PFDO_DEVICE_DATA) DeviceObject->DeviceExtension; // // We only take Device Control requests for the FDO. // That is the bus itself. // if (!fdoData->IsFDO) { // // These commands are only allowed to go to the FDO. // status = STATUS_INVALID_DEVICE_REQUEST; Irp->IoStatus.Status = status; IoCompleteRequest (Irp, IO_NO_INCREMENT); return status; } // // Check to see whether the bus is removed // if (fdoData->DevicePnPState == Deleted) { Irp->IoStatus.Status = status = STATUS_NO_SUCH_DEVICE; IoCompleteRequest (Irp, IO_NO_INCREMENT); return status; } Bus_IncIoCount (fdoData); irpStack = IoGetCurrentIrpStackLocation (Irp); buffer = Irp->AssociatedIrp.SystemBuffer; inlen = irpStack->Parameters.DeviceIoControl.InputBufferLength; outlen = irpStack->Parameters.DeviceIoControl.OutputBufferLength; status = STATUS_INVALID_PARAMETER; Bus_KdPrint(fdoData, BUS_DBG_IOCTL_TRACE, ("%d called\n", irpStack->Parameters.DeviceIoControl.IoControlCode)); switch (irpStack->Parameters.DeviceIoControl.IoControlCode) { case IOCTL_NDASBUS_ADD_TARGET: { PPDO_DEVICE_DATA pdoData; Bus_KdPrint(fdoData, BUS_DBG_IOCTL_ERROR, ("IOCTL_NDASBUS_ADD_TARGET inlen %d, outlen %d, sizeof(NDASBUS_ADD_TARGET_DATA) %d\n", inlen, outlen, sizeof(NDASBUS_ADD_TARGET_DATA))); if ((inlen == outlen) && (sizeof(NDASBUS_ADD_TARGET_DATA) <= inlen)) { ULONG ulSize; PNDASBUS_ADD_TARGET_DATA addTargetData = buffer; BOOLEAN accepted; Bus_KdPrint(fdoData, BUS_DBG_IOCTL_TRACE, ("IOCTL_NDASBUS_ADD_TARGET called\n")); Bus_KdPrint(fdoData, BUS_DBG_IOCTL_ERROR, ("IOCTL_NDASBUS_ADD_TARGET Target Type %d\n", addTargetData->ucTargetType)); status = STATUS_SUCCESS; // // Check structure size // if(VerifySizeOfAddTargetData(addTargetData, &ulSize) == 0) { status = STATUS_INVALID_PARAMETER; break; } if(ulSize != inlen) { Bus_KdPrint(fdoData, BUS_DBG_IOCTL_ERROR, ("ADD_TARGET: Size mismatch. Req %d, in %d\n", ulSize, inlen)); status = STATUS_UNSUCCESSFUL; break; } // // Check to see if acceptable structure. // accepted = TRUE; switch(addTargetData->ucTargetType) { case NDASSCSI_TYPE_DISK_NORMAL: case NDASSCSI_TYPE_DVD: case NDASSCSI_TYPE_VDVD: case NDASSCSI_TYPE_MO: if(addTargetData->ulNumberOfUnitDiskList != 1) accepted = FALSE; break; case NDASSCSI_TYPE_DISK_MIRROR: if(2 != addTargetData->ulNumberOfUnitDiskList) accepted = FALSE; break; case NDASSCSI_TYPE_DISK_AGGREGATION: if (addTargetData->ulNumberOfUnitDiskList < 2 || addTargetData->ulNumberOfUnitDiskList > MAX_NR_UNITDISK_FOR_AGGR) accepted = FALSE; break; case NDASSCSI_TYPE_DISK_RAID0: switch(addTargetData->ulNumberOfUnitDiskList) { case 2: case 4: case 8: break; default: // do not accept accepted = FALSE; break; } break; case NDASSCSI_TYPE_DISK_RAID1R3: { ULONG ulDiskCount; ulDiskCount = addTargetData->ulNumberOfUnitDiskList - addTargetData->RAID_Info.nSpareDisk; if (2 != ulDiskCount) accepted = FALSE; } break; case NDASSCSI_TYPE_DISK_RAID4R3: case NDASSCSI_TYPE_DISK_RAID5: { ULONG ulDiskCount; ulDiskCount = addTargetData->ulNumberOfUnitDiskList - addTargetData->RAID_Info.nSpareDisk; switch(ulDiskCount) { case 3: // 2 + 1 case 5: // 4 + 1 case 9: // 8 + 1 break; default: // do not accept accepted = FALSE; break; } break; } default: Bus_KdPrint(fdoData, BUS_DBG_IOCTL_ERROR, ("ADD_TARGET: Bad Disk Type.\n")); accepted = FALSE; break; } if(accepted == FALSE) { Bus_KdPrint(fdoData, BUS_DBG_IOCTL_ERROR, ("ADD_TARGET: Invaild type.\n")); status = STATUS_UNSUCCESSFUL; break; } #if DBG NDBusIoctlLogError( fdoData->Self, NDASBUS_IO_TRY_TO_ADDTARGET, IOCTL_NDASBUS_ADD_TARGET, addTargetData->ulSlotNo); #endif // Find Pdo Data... pdoData = LookupPdoData(fdoData, addTargetData->ulSlotNo); if(pdoData == NULL) { Bus_KdPrint_Cont (fdoData, BUS_DBG_IOCTL_ERROR, ("no pdo\n")); status = STATUS_UNSUCCESSFUL; NDBusIoctlLogError( fdoData->Self, NDASBUS_IO_PDO_NOT_FOUND, IOCTL_NDASBUS_ADD_TARGET, addTargetData->ulSlotNo); break; } // // Save the add target information to the PDO extension // pdoData->LanscsiAdapterPDO.AddDevInfo = ExAllocatePoolWithTag(NonPagedPool, inlen, BUSENUM_POOL_TAG); if(pdoData->LanscsiAdapterPDO.AddDevInfo == NULL) { Irp->IoStatus.Information = 0; status = STATUS_INSUFFICIENT_RESOURCES; break; } else { RtlCopyMemory(pdoData->LanscsiAdapterPDO.AddDevInfo, addTargetData, inlen); status = STATUS_SUCCESS; } pdoData->LanscsiAdapterPDO.AddDevInfoLength = inlen; // // Init PDO status // pdoData->LanscsiAdapterPDO.LastAdapterStatus = NDASSCSI_ADAPTERINFO_STATUS_INIT; pdoData->LanscsiAdapterPDO.DeviceMode = addTargetData->DeviceMode; // // Notify to NDASSCSI // Bus_KdPrint(fdoData, BUS_DBG_IOCTL_ERROR, ("IOCTL_NDASBUS_ADD_TARGET SetEvent AddTargetEvent!\n")); KeSetEvent(&pdoData->LanscsiAdapterPDO.AddTargetEvent, IO_NO_INCREMENT, FALSE); // // Register Target // if(pdoData->Persistent) { status = LSBus_RegisterTarget(fdoData, addTargetData); if(!NT_SUCCESS(status)) { ExFreePoolWithTag(pdoData->LanscsiAdapterPDO.AddDevInfo, BUSENUM_POOL_TAG); pdoData->LanscsiAdapterPDO.AddDevInfo = NULL; Bus_KdPrint(fdoData, BUS_DBG_IOCTL_ERROR, ("ADD_TARGET: LSBus_RegisterTarget() failed. STATUS=%08lx\n", status)); status = STATUS_INTERNAL_DB_ERROR; NDBusIoctlLogError( fdoData->Self, NDASBUS_IO_REGISTER_TARGET_FAIL, IOCTL_NDASBUS_ADD_TARGET, addTargetData->ulSlotNo); } else { Bus_KdPrint(fdoData, BUS_DBG_IOCTL_INFO, ("ADD_TARGET: Successfully registered.\n")); } } ObDereferenceObject(pdoData->Self); Irp->IoStatus.Information = outlen; } else { Bus_KdPrint(fdoData, BUS_DBG_IOCTL_ERROR, ("IOCTL_NDASBUS_ADD_TARGET length mismatch!!!" " inlen %d, outlen %d, sizeof(NDASBUS_ADD_TARGET_DATA) %d\n", inlen, outlen, sizeof(NDASBUS_ADD_TARGET_DATA))); } } break; case IOCTL_NDASBUS_REMOVE_TARGET: { PPDO_DEVICE_DATA pdoData; PNDASBUS_REMOVE_TARGET_DATA removeTarget; Bus_KdPrint(fdoData, BUS_DBG_IOCTL_TRACE, ("IOCTL_NDASBUS_REMOVE_TARGET called\n")); if (sizeof (NDASBUS_REMOVE_TARGET_DATA) != inlen) break; removeTarget = (PNDASBUS_REMOVE_TARGET_DATA)buffer; pdoData = LookupPdoData(fdoData, removeTarget->ulSlotNo); if(pdoData == NULL) { Bus_KdPrint_Cont (fdoData, BUS_DBG_IOCTL_ERROR, ("no pdo\n")); status = STATUS_UNSUCCESSFUL; NDBusIoctlLogError( fdoData->Self, NDASBUS_IO_PDO_NOT_FOUND, IOCTL_NDASBUS_REMOVE_TARGET, removeTarget->ulSlotNo); break; } // // redirect to the NDAS SCSI Device // status = LSBus_IoctlToNdasScsiDevice( pdoData, NDASSCSI_IOCTL_REMOVE_DEVICE, NULL, 0, NULL, 0 ); if(NT_SUCCESS(status) && pdoData->Persistent) { status = LSBus_UnregisterTarget(fdoData, removeTarget->ulSlotNo, removeTarget->ulTargetId); if(!NT_SUCCESS(status)) { Bus_KdPrint(fdoData, BUS_DBG_IOCTL_INFO, ( "REMOVE_TARGET: Removed Target instance," " but LSBus_UnregisterTarget() failed.\n")); status = STATUS_INTERNAL_DB_ERROR; NDBusIoctlLogError( fdoData->Self, NDASBUS_IO_UNREGISTER_TARGET_FAIL, IOCTL_NDASBUS_REMOVE_TARGET, removeTarget->ulSlotNo); } #if DBG else { Bus_KdPrint(fdoData, BUS_DBG_IOCTL_INFO, ("REMOVE_TARGET: LSBus_UnregisterTarget() succeeded.\n")); } #endif } ObDereferenceObject(pdoData->Self); Irp->IoStatus.Information = 0; break; } case IOCTL_NDASBUS_STARTSTOP_REGISTRARENUM:{ PULONG onOff = (PULONG)buffer; Bus_KdPrint(fdoData, BUS_DBG_IOCTL_ERROR, ( "STARTSTOP_REGISTRARENUM: inlen %d, outlen %d OnOff %u\n", inlen, outlen, *onOff)); KeEnterCriticalRegion(); ExAcquireFastMutexUnsafe(&fdoData->RegMutex); if(*onOff != 0) { // // Save old state. // Activate the registrar's enumeration // *onOff = fdoData->StartStopRegistrarEnum; fdoData->StartStopRegistrarEnum = TRUE; } else { // // Save old state. // Deactivate the registrar's enumeration // *onOff = fdoData->StartStopRegistrarEnum; fdoData->StartStopRegistrarEnum = FALSE; } // // Clean up non-enumerated entries. // LSBus_CleanupNDASDeviceRegistryUnsafe(fdoData); ExReleaseFastMutexUnsafe(&fdoData->RegMutex); KeLeaveCriticalRegion(); Irp->IoStatus.Information = sizeof(ULONG); status = STATUS_SUCCESS; break; } case IOCTL_NDASBUS_REGISTER_DEVICE: { Bus_KdPrint(fdoData, BUS_DBG_IOCTL_ERROR, ( "REGISTER_DEVICE: inlen %d, outlen %d," " sizeof(NDASBUS_PLUGIN_HARDWARE_EX2) %d\n", inlen, outlen, sizeof(NDASBUS_PLUGIN_HARDWARE_EX2))); if ((inlen == outlen)) { PNDASBUS_PLUGIN_HARDWARE_EX2 PlugIn = buffer; Bus_KdPrint(fdoData, BUS_DBG_IOCTL_TRACE, ("REGISTER_DEVICE: entered\n")); status = LSBus_RegisterDevice(fdoData, PlugIn); Irp->IoStatus.Information = 0; } else Bus_KdPrint(fdoData, BUS_DBG_IOCTL_ERROR, ("REGISTER_DEVICE: length mismatch!!!" " inlen %d, outlen %d, sizeof(NDASBUS_PLUGIN_HARDWARE_EX2) %d\n", inlen, outlen, sizeof(NDASBUS_PLUGIN_HARDWARE_EX2))); } break; case IOCTL_NDASBUS_REGISTER_TARGET: { Bus_KdPrint(fdoData, BUS_DBG_IOCTL_ERROR, ( "REGISTER_TARGET: inlen %d, outlen %d," " sizeof(NDASBUS_ADD_TARGET_DATA) %d\n", inlen, outlen, sizeof(NDASBUS_ADD_TARGET_DATA))); if ((inlen == outlen)) { PNDASBUS_ADD_TARGET_DATA AddTargetData = buffer; Bus_KdPrint(fdoData, BUS_DBG_IOCTL_TRACE, ("REGISTER_TARGET: entered\n")); status = LSBus_RegisterTarget(fdoData, AddTargetData); Irp->IoStatus.Information = 0; } else { Bus_KdPrint(fdoData, BUS_DBG_IOCTL_ERROR, ( "REGISTER_TARGET: length mismatch!!!" " inlen %d, outlen %d, sizeof(NDASBUS_ADD_TARGET_DATA) %d\n", inlen, outlen, sizeof(NDASBUS_ADD_TARGET_DATA))); } } break; case IOCTL_NDASBUS_UNREGISTER_DEVICE: { Bus_KdPrint(fdoData, BUS_DBG_IOCTL_ERROR, ( "UNREGISTER_DEVICE: inlen %d, outlen %d," " sizeof(NDASBUS_UNREGISTER_NDASDEV) %d\n", inlen, outlen, sizeof(NDASBUS_UNREGISTER_NDASDEV))); if ((inlen == outlen)) { PNDASBUS_UNREGISTER_NDASDEV UnregDev = buffer; Bus_KdPrint(fdoData, BUS_DBG_IOCTL_TRACE, ("UNREGISTER_DEVICE: entered\n")); status = LSBus_UnregisterDevice(fdoData, UnregDev->SlotNo); Irp->IoStatus.Information = 0; } else { Bus_KdPrint(fdoData, BUS_DBG_IOCTL_ERROR, ( "UNREGISTER_DEVICE: length mismatch!!!" " inlen %d, outlen %d, sizeof(NDASBUS_ADD_TARGET_DATA) %d\n", inlen, outlen, sizeof(NDASBUS_UNREGISTER_NDASDEV))); } } break; case IOCTL_NDASBUS_UNREGISTER_TARGET: { Bus_KdPrint(fdoData, BUS_DBG_IOCTL_ERROR, ( "UNREGISTER_TARGET: inlen %d, outlen %d," " sizeof(NDASBUS_UNREGISTER_TARGET) %d\n", inlen, outlen, sizeof(NDASBUS_UNREGISTER_TARGET))); if ((inlen == outlen)) { PNDASBUS_UNREGISTER_TARGET UnregTarget = buffer; Bus_KdPrint(fdoData, BUS_DBG_IOCTL_TRACE, ("UNREGISTER_TARGET: entered\n")); status = LSBus_UnregisterTarget(fdoData, UnregTarget->SlotNo, UnregTarget->TargetId); Irp->IoStatus.Information = 0; } else { Bus_KdPrint(fdoData, BUS_DBG_IOCTL_ERROR, ( "UNREGISTER_TARGET: length mismatch!!!" " inlen %d, outlen %d, sizeof(NDASBUS_UNREGISTER_TARGET) %d\n", inlen, outlen, sizeof(NDASBUS_UNREGISTER_TARGET))); } } break; case IOCTL_NDASBUS_SETPDOINFO: { PPDO_DEVICE_DATA pdoData; PNDASBUS_SETPDOINFO SetPdoInfo; KIRQL oldIrql; PVOID sectionHandle; BOOLEAN acceptStatus; Bus_KdPrint(fdoData, BUS_DBG_IOCTL_TRACE, ("IOCTL_NDASBUS_SETPDOINFO called\n")); if (sizeof (NDASBUS_SETPDOINFO) != inlen) break; acceptStatus = TRUE; SetPdoInfo = (PNDASBUS_SETPDOINFO)buffer; pdoData = LookupPdoData(fdoData, SetPdoInfo->SlotNo); if(pdoData == NULL) { Bus_KdPrint_Cont (fdoData, BUS_DBG_IOCTL_ERROR, ("no pdo\n")); status = STATUS_UNSUCCESSFUL; NDBusIoctlLogError( fdoData->Self, NDASBUS_IO_PDO_NOT_FOUND, IOCTL_NDASBUS_SETPDOINFO, SetPdoInfo->SlotNo); break; } // // lock the code section of this function to acquire spinlock in raised IRQL. // sectionHandle = MmLockPagableCodeSection(Bus_IoCtl); KeAcquireSpinLock(&pdoData->LanscsiAdapterPDO.LSDevDataSpinLock, &oldIrql); Bus_KdPrint(fdoData, BUS_DBG_IOCTL_ERROR, ("!!!!!!!!!!!!!!!!!! SETPDOINFO: PDO %p: %08lx %08lx %08lx\n", pdoData->Self, SetPdoInfo->AdapterStatus, SetPdoInfo->SupportedFeatures, SetPdoInfo->EnabledFeatures)); // // Deny the status change if the current status is STATUS_STOPPED except for RESETSTATUS flag. // if(ADAPTERINFO_ISSTATUS(pdoData->LanscsiAdapterPDO.LastAdapterStatus, NDASSCSI_ADAPTERINFO_STATUS_STOPPED)) { Bus_KdPrint(fdoData, BUS_DBG_IOCTL_ERROR, ("SETPDOINFO: 'An event occured after 'Stopped' event\n")); if(ADAPTERINFO_ISSTATUSFLAG(SetPdoInfo->AdapterStatus, NDASSCSI_ADAPTERINFO_STATUSFLAG_RESETSTATUS)) { Bus_KdPrint(fdoData, BUS_DBG_IOCTL_ERROR, ("SETPDOINFO: Reset-status event accepted.\n")); } else { acceptStatus = FALSE; } } else { if(pdoData->LanscsiAdapterPDO.AddDevInfo == NULL) { acceptStatus = FALSE; Bus_KdPrint(fdoData, BUS_DBG_IOCTL_ERROR, ("!!!!!!!!!!!!!!!!!! SETPDOINFO: AddTarget is not occured. Too early to set status.\n")); } } // // Mask off RESETSTATUS. // NDAS service does not need to know it. // SetPdoInfo->AdapterStatus &= ~NDASSCSI_ADAPTERINFO_STATUSFLAG_RESETSTATUS; // // Set status values to the corresponding physical device object. // Save to the extension // if(acceptStatus) { PNDASBUS_PDOEVENT_ENTRY pdoEventEntry; pdoEventEntry = NdasBusCreatePdoStatusItem(SetPdoInfo->AdapterStatus); if(pdoEventEntry) { NdasBusQueuePdoStatusItem(&pdoData->LanscsiAdapterPDO, pdoEventEntry); } #if DBG else { Bus_KdPrint(fdoData, BUS_DBG_IOCTL_ERROR, ("SETPDOINFO: Could not allocate PDO status entry.\n")); } #endif pdoData->LanscsiAdapterPDO.LastAdapterStatus = SetPdoInfo->AdapterStatus; pdoData->LanscsiAdapterPDO.SupportedFeatures = SetPdoInfo->SupportedFeatures; pdoData->LanscsiAdapterPDO.EnabledFeatures = SetPdoInfo->EnabledFeatures; // // Queue plugout worker if the NDAS SCSI stop abnormally. // Notify the NDAS service of abnormal termination // if(ADAPTERINFO_ISSTATUS(SetPdoInfo->AdapterStatus, NDASSCSI_ADAPTERINFO_STATUS_STOPPED) && ADAPTERINFO_ISSTATUSFLAG(SetPdoInfo->AdapterStatus, NDASSCSI_ADAPTERINFO_STATUSFLAG_ABNORMAL_TERMINAT)) { Bus_KdPrint(fdoData, BUS_DBG_IOCTL_ERROR, ("SETPDOINFO: Queueing Unplug worker!!!!!!!!\n")); status = QueueUnplugWorker(fdoData, SetPdoInfo->SlotNo); // // Set disconnection event // KeSetEvent(pdoData->LanscsiAdapterPDO.DisconEventToService, IO_DISK_INCREMENT, FALSE); } else { // // Notify the adapter status change // KeSetEvent(pdoData->LanscsiAdapterPDO.AlarmEventToService, IO_DISK_INCREMENT, FALSE); } } KeReleaseSpinLock(&pdoData->LanscsiAdapterPDO.LSDevDataSpinLock, oldIrql); // // Release the code section. // MmUnlockPagableImageSection(sectionHandle); status = STATUS_SUCCESS; ObDereferenceObject(pdoData->Self); Irp->IoStatus.Information = outlen; } break; case IOCTL_NDASBUS_QUERY_NODE_ALIVE: { PPDO_DEVICE_DATA pdoData; BOOLEAN bAlive; PNDASBUS_NODE_ALIVE_IN pNodeAliveIn; NDASBUS_NODE_ALIVE_OUT nodeAliveOut; // Check Parameter. if(inlen != sizeof(NDASBUS_NODE_ALIVE_IN) || outlen != sizeof(NDASBUS_NODE_ALIVE_OUT)) { status = STATUS_UNKNOWN_REVISION; break; } pNodeAliveIn = (PNDASBUS_NODE_ALIVE_IN)Irp->AssociatedIrp.SystemBuffer; Bus_KdPrint_Cont (fdoData, BUS_DBG_IOCTL_NOISE, ("FDO: IOCTL_NDASBUS_QUERY_NODE_ALIVE SlotNumber = %d\n", pNodeAliveIn->SlotNo)); pdoData = LookupPdoData(fdoData, pNodeAliveIn->SlotNo); if(pdoData == NULL) { // Bus_KdPrint_Cont (fdoData, BUS_DBG_IOCTL_TRACE, // ("[LanScsiBus]Bus_IoCtl: IOCTL_NDASBUS_QUERY_NODE_ALIVE No pdo\n")); bAlive = FALSE; } else { // // Check this PDO would be removed... // if(pdoData->Present == TRUE) bAlive = TRUE; else bAlive = FALSE; } // For Result... nodeAliveOut.SlotNo = pNodeAliveIn->SlotNo; nodeAliveOut.bAlive = bAlive; // Get Adapter Status. if(bAlive == TRUE) { if( ADAPTERINFO_ISSTATUS(pdoData->LanscsiAdapterPDO.LastAdapterStatus, NDASSCSI_ADAPTERINFO_STATUS_STOPPING)) { nodeAliveOut.bHasError = TRUE; Bus_KdPrint_Cont (fdoData, BUS_DBG_IOCTL_ERROR, ("IOCTL_NDASBUS_QUERY_NODE_ALIVE Adapter has Error 0x%x\n", nodeAliveOut.bHasError)); } else { nodeAliveOut.bHasError = FALSE; } } if(pdoData) ObDereferenceObject(pdoData->Self); RtlCopyMemory( Irp->AssociatedIrp.SystemBuffer, &nodeAliveOut, sizeof(NDASBUS_NODE_ALIVE_OUT) ); Irp->IoStatus.Information = sizeof(NDASBUS_NODE_ALIVE_OUT); status = STATUS_SUCCESS; } break; // // added by hootch 01172004 // case IOCTL_NDASBUS_UPGRADETOWRITE: { PPDO_DEVICE_DATA pdoData; Bus_KdPrint(fdoData, BUS_DBG_IOCTL_TRACE, ("IOCTL_NDASBUS_UPGRADETOWRITE called\n")); // Check Parameter. if(inlen != sizeof(NDASBUS_UPGRADE_TO_WRITE)) { Bus_KdPrint_Cont (fdoData, BUS_DBG_IOCTL_ERROR, ("IOCTL_NDASBUS_UPGRADETOWRITE: Invalid input buffer length\n")); status = STATUS_UNKNOWN_REVISION; break; } pdoData = LookupPdoData(fdoData, ((PNDASBUS_UPGRADE_TO_WRITE)buffer)->SlotNo); if(pdoData == NULL) { Bus_KdPrint_Cont (fdoData, BUS_DBG_IOCTL_ERROR, ("IOCTL_NDASBUS_UPGRADETOWRITE: No pdo for Slotno:%d\n", ((PNDASBUS_UPGRADE_TO_WRITE)buffer)->SlotNo)); status = STATUS_NO_SUCH_DEVICE; NDBusIoctlLogError( fdoData->Self, NDASBUS_IO_PDO_NOT_FOUND, IOCTL_NDASBUS_UPGRADETOWRITE, ((PNDASBUS_UPGRADE_TO_WRITE)buffer)->SlotNo); } else { // // redirect to the NDASSCSI Device // status = LSBus_IoctlToNdasScsiDevice( pdoData, NDASSCSI_IOCTL_UPGRADETOWRITE, buffer, inlen, buffer, outlen ); ObDereferenceObject(pdoData->Self); } Irp->IoStatus.Information = 0; } break; case IOCTL_NDASBUS_REDIRECT_NDASSCSI: { PPDO_DEVICE_DATA pdoData; PNDASBUS_REDIRECT_NDASSCSI redirectIoctl; Bus_KdPrint(fdoData, BUS_DBG_IOCTL_TRACE, ("IOCTL_NDASBUS_REDIRECT_NDASSCSI called\n")); // Check Parameter. if(inlen < sizeof(NDASBUS_REDIRECT_NDASSCSI)) { Bus_KdPrint_Cont (fdoData, BUS_DBG_IOCTL_ERROR, ("IOCTL_NDASBUS_REDIRECT_NDASSCSI: Invalid input buffer length\n")); status = STATUS_UNKNOWN_REVISION; break; } redirectIoctl = (PNDASBUS_REDIRECT_NDASSCSI)buffer; pdoData = LookupPdoData(fdoData, redirectIoctl->SlotNo); if(pdoData == NULL) { Bus_KdPrint_Cont (fdoData, BUS_DBG_IOCTL_ERROR, ("IOCTL_NDASBUS_REDIRECT_NDASSCSI: No pdo for Slotno:%d\n", redirectIoctl->SlotNo)); status = STATUS_NO_SUCH_DEVICE; } else { // // redirect to the NDASSCSI Device // status = LSBus_IoctlToNdasScsiDevice( pdoData, redirectIoctl->IoctlCode, redirectIoctl->IoctlData, redirectIoctl->IoctlDataSize, redirectIoctl->IoctlData, redirectIoctl->IoctlDataSize ); ObDereferenceObject(pdoData->Self); } Irp->IoStatus.Information = 0; } break; case IOCTL_NDASBUS_QUERY_NDASSCSIINFO: { PPDO_DEVICE_DATA pdoData; Bus_KdPrint(fdoData, BUS_DBG_IOCTL_TRACE, ("IOCTL_NDASBUS_QUERY_NDASSCSIINFO called\n")); // Check Parameter. if(inlen < FIELD_OFFSET(NDASSCSI_QUERY_INFO_DATA, QueryData) ) { Bus_KdPrint_Cont (fdoData, BUS_DBG_IOCTL_ERROR, ("IOCTL_NDASBUS_QUERY_NDASSCSIINFO: Invalid input buffer length too small.\n")); status = STATUS_UNKNOWN_REVISION; break; } pdoData = LookupPdoData(fdoData, ((PNDASSCSI_QUERY_INFO_DATA)buffer)->NdasScsiAddress.SlotNo); if(pdoData == NULL) { Bus_KdPrint_Cont (fdoData, BUS_DBG_IOCTL_ERROR, ("IOCTL_NDASBUS_QUERY_NDASSCSIINFO No pdo\n")); status = STATUS_NO_SUCH_DEVICE; NDBusIoctlLogError( fdoData->Self, NDASBUS_IO_PDO_NOT_FOUND, IOCTL_NDASBUS_QUERY_NDASSCSIINFO, ((PNDASSCSI_QUERY_INFO_DATA)buffer)->NdasScsiAddress.SlotNo); } else { // // redirect to the NDASSCSI Device // status = LSBus_IoctlToNdasScsiDevice( pdoData, NDASSCSI_IOCTL_QUERYINFO_EX, buffer, inlen, buffer, outlen ); ObDereferenceObject(pdoData->Self); } Irp->IoStatus.Information = outlen; } break; case IOCTL_NDASBUS_QUERY_INFORMATION: { // PPDO_DEVICE_DATA pdoData; NDASBUS_QUERY_INFORMATION Query; PNDASBUS_INFORMATION Information; LONG BufferLenNeeded; // Check Parameter. if( inlen < sizeof(NDASBUS_QUERY_INFORMATION) /*|| outlen < sizeof(NDASBUS_INFORMATION) */) { status = STATUS_UNKNOWN_REVISION; break; } RtlCopyMemory(&Query, buffer, sizeof(NDASBUS_QUERY_INFORMATION)); Bus_KdPrint_Cont (fdoData, BUS_DBG_IOCTL_TRACE, ("FDO: IOCTL_NDASBUS_QUERY_INFORMATION QueryType : %d SlotNumber = %d\n", Query.InfoClass, Query.SlotNo)); Information = (PNDASBUS_INFORMATION)buffer; ASSERT(Information); Information->InfoClass = Query.InfoClass; status = LSBus_QueryInformation(fdoData, IoIs32bitProcess(Irp), &Query, Information, outlen, &BufferLenNeeded); if(NT_SUCCESS(status)) { Information->Size = BufferLenNeeded; Irp->IoStatus.Information = BufferLenNeeded; } else { Irp->IoStatus.Information = BufferLenNeeded; } } break; case IOCTL_NDASBUS_PLUGIN_HARDWARE_EX2: { ULONG structLen; // Without variable length field ULONG wholeStructLen; // With variable length field ULONG inputWholeStructLen; // // Check 32 bit thunking request // if(IoIs32bitProcess(Irp)) { structLen = FIELD_OFFSET(NDASBUS_PLUGIN_HARDWARE_EX2_32, HardwareIDs); wholeStructLen = sizeof(NDASBUS_PLUGIN_HARDWARE_EX2_32); inputWholeStructLen = ((PNDASBUS_PLUGIN_HARDWARE_EX2_32) buffer)->Size; } else { structLen = FIELD_OFFSET(NDASBUS_PLUGIN_HARDWARE_EX2, HardwareIDs); wholeStructLen = sizeof(NDASBUS_PLUGIN_HARDWARE_EX2); inputWholeStructLen = ((PNDASBUS_PLUGIN_HARDWARE_EX2) buffer)->Size; } if ((inlen == outlen) && // // Make sure it has at least two nulls and the size // field is set to the declared size of the struct // ((structLen + sizeof(UNICODE_NULL) * 2) <= inlen) && // // The size field should be set to the sizeof the struct as declared // and *not* the size of the struct plus the multi_sz // (wholeStructLen == inputWholeStructLen)) { Bus_KdPrint(fdoData, BUS_DBG_IOCTL_TRACE, ("PlugIn called\n")); status= Bus_PlugInDeviceEx2((PNDASBUS_PLUGIN_HARDWARE_EX2)buffer, inlen, fdoData, IoIs32bitProcess(Irp), Irp->RequestorMode, FALSE); Irp->IoStatus.Information = outlen; } } break; case IOCTL_NDASBUS_GETVERSION: { if (outlen >= sizeof(NDASBUS_GET_VERSION)) { PNDASBUS_GET_VERSION version = (PNDASBUS_GET_VERSION)buffer; Bus_KdPrint(fdoData, BUS_DBG_IOCTL_TRACE, ("IOCTL_NDASBUS_GETVERSION: called\n")); try { version->VersionMajor = VER_FILEMAJORVERSION; version->VersionMinor = VER_FILEMINORVERSION; version->VersionBuild = VER_FILEBUILD; version->VersionPrivate = VER_FILEBUILD_QFE; Irp->IoStatus.Information = sizeof(NDASBUS_GET_VERSION); status = STATUS_SUCCESS; } except (EXCEPTION_EXECUTE_HANDLER) { status = GetExceptionCode(); Irp->IoStatus.Information = 0; } } } break; case IOCTL_NDASBUS_UNPLUG_HARDWARE: { if ((sizeof (NDASBUS_UNPLUG_HARDWARE) == inlen) && (inlen == outlen) && (((PNDASBUS_UNPLUG_HARDWARE)buffer)->Size == inlen)) { Bus_KdPrint(fdoData, BUS_DBG_IOCTL_TRACE, ("UnPlug called\n")); status= Bus_UnPlugDevice( (PNDASBUS_UNPLUG_HARDWARE)buffer, fdoData); Irp->IoStatus.Information = outlen; } } break; case IOCTL_NDASBUS_EJECT_HARDWARE: { if ((sizeof (NDASBUS_EJECT_HARDWARE) == inlen) && (inlen == outlen) && (((PNDASBUS_EJECT_HARDWARE)buffer)->Size == inlen)) { Bus_KdPrint(fdoData, BUS_DBG_IOCTL_TRACE, ("Eject called\n")); status= Bus_EjectDevice((PNDASBUS_EJECT_HARDWARE)buffer, fdoData); Irp->IoStatus.Information = outlen; } } break; case IOCTL_NDASBUS_DVD_GET_STATUS: { PPDO_DEVICE_DATA pdoData; PNDASBUS_DVD_STATUS pDvdStatusData; // Check Parameter. if((inlen != outlen) || (sizeof(NDASBUS_DVD_STATUS) > inlen)) { status = STATUS_UNSUCCESSFUL ; break; } pDvdStatusData = (PNDASBUS_DVD_STATUS)Irp->AssociatedIrp.SystemBuffer; Bus_KdPrint_Cont (fdoData, BUS_DBG_IOCTL_ERROR, ("FDO: IOCTL_NDASBUS_DVD_GET_STATUS SlotNumber = %d\n", pDvdStatusData->SlotNo)); pdoData = LookupPdoData(fdoData, pDvdStatusData->SlotNo); if(pdoData == NULL) { Bus_KdPrint_Cont (fdoData, BUS_DBG_IOCTL_ERROR, ("IOCTL_NDASBUS_DVD_GET_STATUS No pdo\n")); status = STATUS_UNSUCCESSFUL; NDBusIoctlLogError( fdoData->Self, NDASBUS_IO_PDO_NOT_FOUND, IOCTL_NDASBUS_DVD_GET_STATUS, pDvdStatusData->SlotNo); break; } else { if(pdoData->LanscsiAdapterPDO.Flags & LSDEVDATA_FLAG_LURDESC) { // // A LUR descriptor is set. // if(((PLURELATION_DESC)pdoData->LanscsiAdapterPDO.AddDevInfo)->DevType != NDASSCSI_TYPE_DVD) { Bus_KdPrint_Cont (fdoData, BUS_DBG_IOCTL_ERROR, ("IOCTL_NDASBUS_DVD_GET_STATUS No DVD Device\n")); status = STATUS_UNSUCCESSFUL; break; } } else { // // ADD_TARGET_DATA is set. // if(((PNDASBUS_ADD_TARGET_DATA)pdoData->LanscsiAdapterPDO.AddDevInfo)->ucTargetType != NDASSCSI_TYPE_DVD) { Bus_KdPrint_Cont (fdoData, BUS_DBG_IOCTL_ERROR, ("IOCTL_NDASBUS_DVD_GET_STATUS No DVD Device\n")); status = STATUS_UNSUCCESSFUL; break; } } // // redirect to the NDASSCSI Device // status = LSBus_IoctlToNdasScsiDevice( pdoData, NDASSCSI_IOCTL_GET_DVD_STATUS, buffer, inlen, buffer, outlen ); ObDereferenceObject(pdoData->Self); status = STATUS_SUCCESS; Irp->IoStatus.Information = outlen; } } break; default: break; // default status is STATUS_INVALID_PARAMETER }
NTSTATUS Bus_IoCtl(PDEVICE_OBJECT DeviceObject, PIRP Irp) { PIO_STACK_LOCATION irpStack; NTSTATUS status; ULONG inlen; PFDO_DEVICE_DATA fdoData; PVOID buffer; PCOMMON_DEVICE_DATA commonData; commonData = (PCOMMON_DEVICE_DATA) DeviceObject->DeviceExtension; if (!commonData->IsFDO) { Irp->IoStatus.Status = status = STATUS_INVALID_DEVICE_REQUEST; IoCompleteRequest(Irp, IO_NO_INCREMENT); return status; } fdoData = (PFDO_DEVICE_DATA) DeviceObject->DeviceExtension; if (fdoData->DevicePnPState == Deleted) { Irp->IoStatus.Status = status = STATUS_NO_SUCH_DEVICE; IoCompleteRequest(Irp, IO_NO_INCREMENT); return status; } Bus_IncIoCount(fdoData); irpStack = IoGetCurrentIrpStackLocation(Irp); buffer = Irp->AssociatedIrp.SystemBuffer; inlen = irpStack->Parameters.DeviceIoControl.InputBufferLength; status = STATUS_INVALID_PARAMETER; Irp->IoStatus.Information = 0; switch (irpStack->Parameters.DeviceIoControl.IoControlCode) { case IOCTL_BUSENUM_PLUGIN_HARDWARE: if ((sizeof(BUSENUM_PLUGIN_HARDWARE) == inlen) && (((PBUSENUM_PLUGIN_HARDWARE) buffer)->Size == inlen)) { Bus_KdPrint(("PlugIn called\n")); status = Bus_PlugInDevice((PBUSENUM_PLUGIN_HARDWARE) buffer, inlen, fdoData); } break; case IOCTL_BUSENUM_UNPLUG_HARDWARE: if ((sizeof(BUSENUM_UNPLUG_HARDWARE) == inlen) && (((PBUSENUM_UNPLUG_HARDWARE) buffer)->Size == inlen)) { Bus_KdPrint(("UnPlug called\n")); status = Bus_UnPlugDevice((PBUSENUM_UNPLUG_HARDWARE) buffer, fdoData); } break; case IOCTL_BUSENUM_EJECT_HARDWARE: if ((sizeof(BUSENUM_EJECT_HARDWARE) == inlen) && (((PBUSENUM_EJECT_HARDWARE) buffer)->Size == inlen)) { Bus_KdPrint(("Eject called\n")); status = Bus_EjectDevice((PBUSENUM_EJECT_HARDWARE) buffer, fdoData); } break; case IOCTL_BUSENUM_REPORT_HARDWARE: if ((sizeof(BUSENUM_REPORT_HARDWARE) == inlen) && (((PBUSENUM_REPORT_HARDWARE) buffer)->Size == inlen)) { status = Bus_ReportDevice((PBUSENUM_REPORT_HARDWARE) buffer, fdoData, buffer); if (NT_SUCCESS(status)) Irp->IoStatus.Information = RUMBLE_SIZE; } break; default: break; // default status is STATUS_INVALID_PARAMETER } Irp->IoStatus.Status = status; IoCompleteRequest(Irp, IO_NO_INCREMENT); Bus_DecIoCount(fdoData); return status; }
VOID Bus_EvtIoDeviceControl( IN WDFQUEUE Queue, IN WDFREQUEST Request, IN size_t OutputBufferLength, IN size_t InputBufferLength, IN ULONG IoControlCode ) /*++ Routine Description: Handle user mode PlugIn, UnPlug and device Eject requests. Arguments: Queue - Handle to the framework queue object that is associated with the I/O request. Request - Handle to a framework request object. This one represents the IRP_MJ_DEVICE_CONTROL IRP received by the framework. OutputBufferLength - Length, in bytes, of the request's output buffer, if an output buffer is available. InputBufferLength - Length, in bytes, of the request's input buffer, if an input buffer is available. IoControlCode - Driver-defined or system-defined I/O control code (IOCTL) that is associated with the request. Return Value: VOID --*/ { NTSTATUS status = STATUS_INVALID_PARAMETER; WDFDEVICE hDevice; size_t length = 0; PBUSENUM_PLUGIN_HARDWARE plugIn = NULL; PBUSENUM_UNPLUG_HARDWARE unPlug = NULL; PBUSENUM_EJECT_HARDWARE eject = NULL; UNREFERENCED_PARAMETER(OutputBufferLength); PAGED_CODE (); hDevice = WdfIoQueueGetDevice(Queue); KdPrint(("Bus_EvtIoDeviceControl: 0x%p\n", hDevice)); switch (IoControlCode) { case IOCTL_BUSENUM_PLUGIN_HARDWARE: status = WdfRequestRetrieveInputBuffer (Request, sizeof (BUSENUM_PLUGIN_HARDWARE) + (sizeof(UNICODE_NULL) * 2), // 2 for double NULL termination (MULTI_SZ) &plugIn, &length); if( !NT_SUCCESS(status) ) { KdPrint(("WdfRequestRetrieveInputBuffer failed 0x%x\n", status)); break; } ASSERT(length == InputBufferLength); if (sizeof (BUSENUM_PLUGIN_HARDWARE) == plugIn->Size) { length = (InputBufferLength - sizeof (BUSENUM_PLUGIN_HARDWARE))/sizeof(WCHAR); // // Make sure the IDs is two NULL terminated. // if ((UNICODE_NULL != plugIn->HardwareIDs[length - 1]) || (UNICODE_NULL != plugIn->HardwareIDs[length - 2])) { status = STATUS_INVALID_PARAMETER; break; } status = Bus_PlugInDevice( hDevice, plugIn->HardwareIDs, length, plugIn->SerialNo ); } break; case IOCTL_BUSENUM_UNPLUG_HARDWARE: status = WdfRequestRetrieveInputBuffer( Request, sizeof(BUSENUM_UNPLUG_HARDWARE), &unPlug, &length ); if( !NT_SUCCESS(status) ) { KdPrint(("WdfRequestRetrieveInputBuffer failed 0x%x\n", status)); break; } if (unPlug->Size == InputBufferLength) { status= Bus_UnPlugDevice(hDevice, unPlug->SerialNo ); } break; case IOCTL_BUSENUM_EJECT_HARDWARE: status = WdfRequestRetrieveInputBuffer (Request, sizeof (BUSENUM_EJECT_HARDWARE), &eject, &length); if( !NT_SUCCESS(status) ) { KdPrint(("WdfRequestRetrieveInputBuffer failed 0x%x\n", status)); break; } if (eject->Size == InputBufferLength) { status= Bus_EjectDevice(hDevice, eject->SerialNo); } break; default: break; // default status is STATUS_INVALID_PARAMETER } WdfRequestCompleteWithInformation(Request, status, length); }