SerenumPdoPnp SerenumPdoQueryDeviceRelations SerenumPdoQueryId SerenumPdoStartDevice

NTSTATUS SerenumPdoPnp ( IN PDEVICE_OBJECT  DeviceObject, IN PIRP  Irp  ) Definition at line 107 of file pdo.c. Referenced by SerenumPnp(). { ULONG MinorFunction; PIO_STACK_LOCATION Stack; ULONG_PTR Information = 0; NTSTATUS Status; Stack = IoGetCurrentIrpStackLocation(Irp); MinorFunction = Stack->MinorFunction; switch (MinorFunction) { /* FIXME: do all these minor functions IRP_MN_QUERY_REMOVE_DEVICE 0x1 IRP_MN_REMOVE_DEVICE 0x2 IRP_MN_CANCEL_REMOVE_DEVICE 0x3 IRP_MN_STOP_DEVICE 0x4 IRP_MN_QUERY_STOP_DEVICE 0x5 IRP_MN_CANCEL_STOP_DEVICE 0x6 IRP_MN_QUERY_DEVICE_RELATIONS / EjectionRelations (optional) 0x7 IRP_MN_QUERY_INTERFACE (required or optional) 0x8 IRP_MN_READ_CONFIG (required or optional) 0xf IRP_MN_WRITE_CONFIG (required or optional) 0x10 IRP_MN_EJECT (required or optional) 0x11 IRP_MN_SET_LOCK (required or optional) 0x12 IRP_MN_QUERY_ID / BusQueryDeviceID 0x13 IRP_MN_QUERY_ID / BusQueryCompatibleIDs (optional) 0x13 IRP_MN_QUERY_ID / BusQueryInstanceID (optional) 0x13 IRP_MN_QUERY_PNP_DEVICE_STATE (optional) 0x14 IRP_MN_DEVICE_USAGE_NOTIFICATION (required or optional) 0x16 IRP_MN_SURPRISE_REMOVAL 0x17 */ case IRP_MN_START_DEVICE: /* 0x0 */ { TRACE_(SERENUM, "IRP_MJ_PNP / IRP_MN_START_DEVICE\n"); Status = SerenumPdoStartDevice(DeviceObject); break; } case IRP_MN_QUERY_DEVICE_RELATIONS: /* 0x7 */ { switch (Stack->Parameters.QueryDeviceRelations.Type) { case RemovalRelations: { return ForwardIrpToAttachedFdoAndForget(DeviceObject, Irp); } case TargetDeviceRelation: { PDEVICE_RELATIONS DeviceRelations = NULL; TRACE_(SERENUM, "IRP_MJ_PNP / IRP_MN_QUERY_DEVICE_RELATIONS / TargetDeviceRelation\n"); Status = SerenumPdoQueryDeviceRelations(DeviceObject, &DeviceRelations); Information = (ULONG_PTR)DeviceRelations; break; } default: { WARN_(SERENUM, "IRP_MJ_PNP / IRP_MN_QUERY_DEVICE_RELATIONS / Unknown type 0x%lx\n", Stack->Parameters.QueryDeviceRelations.Type); ASSERT(FALSE); Status = STATUS_NOT_IMPLEMENTED; break; } } break; } case IRP_MN_QUERY_CAPABILITIES: /* 0x9 */ { PDEVICE_CAPABILITIES DeviceCapabilities; ULONG i; TRACE_(SERENUM, "IRP_MJ_PNP / IRP_MN_QUERY_CAPABILITIES\n"); DeviceCapabilities = (PDEVICE_CAPABILITIES)Stack->Parameters.DeviceCapabilities.Capabilities; /* FIXME: capabilities can change with connected device */ DeviceCapabilities->LockSupported = FALSE; DeviceCapabilities->EjectSupported = FALSE; DeviceCapabilities->Removable = TRUE; DeviceCapabilities->DockDevice = FALSE; DeviceCapabilities->UniqueID = FALSE; DeviceCapabilities->SilentInstall = FALSE; DeviceCapabilities->RawDeviceOK = TRUE; DeviceCapabilities->SurpriseRemovalOK = TRUE; DeviceCapabilities->HardwareDisabled = FALSE; /* FIXME */ //DeviceCapabilities->NoDisplayInUI = FALSE; /* FIXME */ DeviceCapabilities->DeviceState[0] = PowerDeviceD0; /* FIXME */ for (i = 0; i < PowerSystemMaximum; i++) DeviceCapabilities->DeviceState[i] = PowerDeviceD3; /* FIXME */ //DeviceCapabilities->DeviceWake = PowerDeviceUndefined; /* FIXME */ DeviceCapabilities->D1Latency = 0; /* FIXME */ DeviceCapabilities->D2Latency = 0; /* FIXME */ DeviceCapabilities->D3Latency = 0; /* FIXME */ Status = STATUS_SUCCESS; break; } case IRP_MN_QUERY_RESOURCES: /* 0xa */ { TRACE_(SERENUM, "IRP_MJ_PNP / IRP_MN_QUERY_RESOURCES\n"); /* Serial devices don't need resources, except the ones of * the serial port. This PDO is the serial device PDO, so * report no resource by not changing Information and * Status */ Information = Irp->IoStatus.Information; Status = Irp->IoStatus.Status; break; } case IRP_MN_QUERY_RESOURCE_REQUIREMENTS: /* 0xb */ { TRACE_(SERENUM, "IRP_MJ_PNP / IRP_MN_QUERY_RESOURCE_REQUIREMENTS\n"); /* Serial devices don't need resources, except the ones of * the serial port. This PDO is the serial device PDO, so * report no resource by not changing Information and * Status */ Information = Irp->IoStatus.Information; Status = Irp->IoStatus.Status; break; } case IRP_MN_QUERY_DEVICE_TEXT: /* 0xc */ { switch (Stack->Parameters.QueryDeviceText.DeviceTextType) { case DeviceTextDescription: { PUNICODE_STRING Source; PWSTR Description; TRACE_(SERENUM, "IRP_MJ_PNP / IRP_MN_QUERY_DEVICE_TEXT / DeviceTextDescription\n"); Source = &((PPDO_DEVICE_EXTENSION)DeviceObject->DeviceExtension)->DeviceDescription; Description = ExAllocatePoolWithTag(PagedPool, Source->Length + sizeof(WCHAR), SERENUM_TAG); if (!Description) Status = STATUS_INSUFFICIENT_RESOURCES; else { RtlCopyMemory(Description, Source->Buffer, Source->Length); Description[Source->Length / sizeof(WCHAR)] = L'\0'; Information = (ULONG_PTR)Description; Status = STATUS_SUCCESS; } break; } case DeviceTextLocationInformation: { /* We don't have any text location to report, * and this query is optional, so ignore it. */ Information = Irp->IoStatus.Information; Status = Irp->IoStatus.Status; break; } default: { WARN_(SERENUM, "IRP_MJ_PNP / IRP_MN_QUERY_DEVICE_TEXT / unknown type 0x%lx\n", Stack->Parameters.QueryDeviceText.DeviceTextType); ASSERT(FALSE); Status = STATUS_NOT_SUPPORTED; } } break; } case IRP_MN_FILTER_RESOURCE_REQUIREMENTS: /* 0xd */ { return ForwardIrpToAttachedFdoAndForget(DeviceObject, Irp); } case IRP_MN_QUERY_ID: /* 0x13 */ { Status = SerenumPdoQueryId(DeviceObject, Irp, &Information); break; } case IRP_MN_QUERY_BUS_INFORMATION: /* 0x15 */ { PPNP_BUS_INFORMATION BusInfo; TRACE_(SERENUM, "IRP_MJ_PNP / IRP_MN_QUERY_BUS_INFORMATION\n"); BusInfo = (PPNP_BUS_INFORMATION)ExAllocatePoolWithTag(PagedPool, sizeof(PNP_BUS_INFORMATION), SERENUM_TAG); if (!BusInfo) Status = STATUS_INSUFFICIENT_RESOURCES; else { memcpy( &BusInfo->BusTypeGuid, &GUID_DEVINTERFACE_SERENUM_BUS_ENUMERATOR, sizeof(BusInfo->BusTypeGuid)); BusInfo->LegacyBusType = PNPBus; /* We're the only serial bus enumerator on the computer */ BusInfo->BusNumber = 0; Information = (ULONG_PTR)BusInfo; Status = STATUS_SUCCESS; } break; } default: { /* We can't forward request to the lower driver, because * we are a Pdo, so we don't have lower driver... */ WARN_(SERENUM, "IRP_MJ_PNP / unknown minor function 0x%lx\n", MinorFunction); ASSERT(FALSE); Information = Irp->IoStatus.Information; Status = Irp->IoStatus.Status; } } Irp->IoStatus.Information = Information; Irp->IoStatus.Status = Status; IoCompleteRequest(Irp, IO_NO_INCREMENT); return Status; }