/*
* DriverEntry
*
* Purpose:
*
* Tsugumi entry point.
*
*/
NTSTATUS DriverEntry(
_In_ struct _DRIVER_OBJECT *DriverObject,
_In_ PUNICODE_STRING RegistryPath
)
{
UNICODE_STRING drvName;
UNREFERENCED_PARAMETER(DriverObject);
UNREFERENCED_PARAMETER(RegistryPath);
RtlInitUnicodeString(&drvName, TSUGUMI_DRV_OBJECT);
return IoCreateDriver(&drvName, &DriverInitialize);
}
NTSTATUS
NTAPI
HaliInitPnpDriver(VOID)
{
NTSTATUS Status;
UNICODE_STRING DriverString;
PAGED_CODE();
/* Create the driver */
RtlInitUnicodeString(&DriverString, L"\\Driver\\PCI_HAL");
Status = IoCreateDriver(&DriverString, HalpDriverEntry);
/* Return status */
return Status;
}
NTSTATUS
NTAPI
INIT_FUNCTION
IopInitializePlugPlayServices(VOID)
{
NTSTATUS Status;
ULONG Disposition;
HANDLE KeyHandle, EnumHandle, ParentHandle, TreeHandle, ControlHandle;
UNICODE_STRING KeyName = RTL_CONSTANT_STRING(L"\\REGISTRY\\MACHINE\\SYSTEM\\CURRENTCONTROLSET");
UNICODE_STRING PnpManagerDriverName = RTL_CONSTANT_STRING(DRIVER_ROOT_NAME L"PnpManager");
PDEVICE_OBJECT Pdo;
/* Initialize locks and such */
KeInitializeSpinLock(&IopDeviceTreeLock);
KeInitializeSpinLock(&IopDeviceRelationsSpinLock);
InitializeListHead(&IopDeviceRelationsRequestList);
/* Get the default interface */
PnpDefaultInterfaceType = IopDetermineDefaultInterfaceType();
/* Initialize arbiters */
Status = IopInitializeArbiters();
if (!NT_SUCCESS(Status)) return Status;
/* Setup the group cache */
Status = PiInitCacheGroupInformation();
if (!NT_SUCCESS(Status)) return Status;
/* Open the current control set */
Status = IopOpenRegistryKeyEx(&KeyHandle,
NULL,
&KeyName,
KEY_ALL_ACCESS);
if (!NT_SUCCESS(Status)) return Status;
/* Create the control key */
RtlInitUnicodeString(&KeyName, L"Control");
Status = IopCreateRegistryKeyEx(&ControlHandle,
KeyHandle,
&KeyName,
KEY_ALL_ACCESS,
REG_OPTION_NON_VOLATILE,
&Disposition);
if (!NT_SUCCESS(Status)) return Status;
/* Check if it's a new key */
if (Disposition == REG_CREATED_NEW_KEY)
{
HANDLE DeviceClassesHandle;
/* Create the device classes key */
RtlInitUnicodeString(&KeyName, L"DeviceClasses");
Status = IopCreateRegistryKeyEx(&DeviceClassesHandle,
ControlHandle,
&KeyName,
KEY_ALL_ACCESS,
REG_OPTION_NON_VOLATILE,
&Disposition);
if (!NT_SUCCESS(Status)) return Status;
ZwClose(DeviceClassesHandle);
}
ZwClose(ControlHandle);
/* Create the enum key */
RtlInitUnicodeString(&KeyName, REGSTR_KEY_ENUM);
Status = IopCreateRegistryKeyEx(&EnumHandle,
KeyHandle,
&KeyName,
KEY_ALL_ACCESS,
REG_OPTION_NON_VOLATILE,
&Disposition);
if (!NT_SUCCESS(Status)) return Status;
/* Check if it's a new key */
if (Disposition == REG_CREATED_NEW_KEY)
{
/* FIXME: DACLs */
DPRINT1("Need to build DACL\n");
}
/* Create the root key */
ParentHandle = EnumHandle;
RtlInitUnicodeString(&KeyName, REGSTR_KEY_ROOTENUM);
Status = IopCreateRegistryKeyEx(&EnumHandle,
ParentHandle,
&KeyName,
KEY_ALL_ACCESS,
REG_OPTION_NON_VOLATILE,
&Disposition);
NtClose(ParentHandle);
if (!NT_SUCCESS(Status)) return Status;
NtClose(EnumHandle);
/* Open the root key now */
RtlInitUnicodeString(&KeyName, L"\\REGISTRY\\MACHINE\\SYSTEM\\CURRENTCONTROLSET\\ENUM");
Status = IopOpenRegistryKeyEx(&EnumHandle,
NULL,
&KeyName,
KEY_ALL_ACCESS);
if (NT_SUCCESS(Status))
{
/* Create the root dev node */
RtlInitUnicodeString(&KeyName, REGSTR_VAL_ROOT_DEVNODE);
Status = IopCreateRegistryKeyEx(&TreeHandle,
EnumHandle,
&KeyName,
KEY_ALL_ACCESS,
REG_OPTION_NON_VOLATILE,
NULL);
NtClose(EnumHandle);
if (NT_SUCCESS(Status)) NtClose(TreeHandle);
}
/* Create the root driver */
Status = IoCreateDriver(&PnpManagerDriverName, PnpRootDriverEntry);
if (!NT_SUCCESS(Status))
{
DPRINT1("IoCreateDriverObject() failed\n");
KeBugCheckEx(PHASE1_INITIALIZATION_FAILED, Status, 0, 0, 0);
}
/* Create the root PDO */
Status = IoCreateDevice(IopRootDriverObject,
sizeof(IOPNP_DEVICE_EXTENSION),
NULL,
FILE_DEVICE_CONTROLLER,
0,
FALSE,
&Pdo);
if (!NT_SUCCESS(Status))
{
DPRINT1("IoCreateDevice() failed\n");
KeBugCheckEx(PHASE1_INITIALIZATION_FAILED, Status, 0, 0, 0);
}
/* This is a bus enumerated device */
Pdo->Flags |= DO_BUS_ENUMERATED_DEVICE;
/* Create the root device node */
IopRootDeviceNode = PipAllocateDeviceNode(Pdo);
/* Set flags */
IopRootDeviceNode->Flags |= DNF_STARTED + DNF_PROCESSED + DNF_ENUMERATED +
DNF_MADEUP + DNF_NO_RESOURCE_REQUIRED +
DNF_ADDED;
/* Create instance path */
RtlCreateUnicodeString(&IopRootDeviceNode->InstancePath,
REGSTR_VAL_ROOT_DEVNODE);
/* Call the add device routine */
IopRootDriverObject->DriverExtension->AddDevice(IopRootDriverObject,
IopRootDeviceNode->PhysicalDeviceObject);
/* Initialize PnP-Event notification support */
Status = IopInitPlugPlayEvents();
if (!NT_SUCCESS(Status)) return Status;
/* Report the device to the user-mode pnp manager */
IopQueueTargetDeviceEvent(&GUID_DEVICE_ARRIVAL,
&IopRootDeviceNode->InstancePath);
/* Initialize the Bus Type GUID List */
PnpBusTypeGuidList = ExAllocatePool(PagedPool, sizeof(IO_BUS_TYPE_GUID_LIST));
RtlZeroMemory(PnpBusTypeGuidList, sizeof(IO_BUS_TYPE_GUID_LIST));
ExInitializeFastMutex(&PnpBusTypeGuidList->Lock);
/* Launch the firmware mapper */
Status = IopUpdateRootKey();
if (!NT_SUCCESS(Status)) return Status;
/* Close the handle to the control set */
NtClose(KeyHandle);
/* We made it */
return STATUS_SUCCESS;
}