-/* $Id$
- *
+/*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
* FILE: ntoskrnl/io/pnpmgr.c
* PURPOSE: Initializes the PnP manager
*
* PROGRAMMERS: Casper S. Hornstrup (chorns@users.sourceforge.net)
+ * Hervé Poussineau (hpoussin@reactos.org)
*/
/* INCLUDES ******************************************************************/
#include <ntoskrnl.h>
-#include <ddk/wdmguid.h>
#define NDEBUG
#include <internal/debug.h>
/* DATA **********************************************************************/
PDRIVER_OBJECT IopRootDriverObject;
+PIO_BUS_TYPE_GUID_LIST IopBusTypeGuidList = NULL;
+
+// Static CRC table
+ULONG crc32Table[256] =
+{
+ 0x00000000, 0x77073096, 0xEE0E612C, 0x990951BA,
+ 0x076DC419, 0x706AF48F, 0xE963A535, 0x9E6495A3,
+ 0x0EDB8832, 0x79DCB8A4, 0xE0D5E91E, 0x97D2D988,
+ 0x09B64C2B, 0x7EB17CBD, 0xE7B82D07, 0x90BF1D91,
+ 0x1DB71064, 0x6AB020F2, 0xF3B97148, 0x84BE41DE,
+ 0x1ADAD47D, 0x6DDDE4EB, 0xF4D4B551, 0x83D385C7,
+ 0x136C9856, 0x646BA8C0, 0xFD62F97A, 0x8A65C9EC,
+ 0x14015C4F, 0x63066CD9, 0xFA0F3D63, 0x8D080DF5,
+ 0x3B6E20C8, 0x4C69105E, 0xD56041E4, 0xA2677172,
+ 0x3C03E4D1, 0x4B04D447, 0xD20D85FD, 0xA50AB56B,
+ 0x35B5A8FA, 0x42B2986C, 0xDBBBC9D6, 0xACBCF940,
+ 0x32D86CE3, 0x45DF5C75, 0xDCD60DCF, 0xABD13D59,
+ 0x26D930AC, 0x51DE003A, 0xC8D75180, 0xBFD06116,
+ 0x21B4F4B5, 0x56B3C423, 0xCFBA9599, 0xB8BDA50F,
+ 0x2802B89E, 0x5F058808, 0xC60CD9B2, 0xB10BE924,
+ 0x2F6F7C87, 0x58684C11, 0xC1611DAB, 0xB6662D3D,
+
+ 0x76DC4190, 0x01DB7106, 0x98D220BC, 0xEFD5102A,
+ 0x71B18589, 0x06B6B51F, 0x9FBFE4A5, 0xE8B8D433,
+ 0x7807C9A2, 0x0F00F934, 0x9609A88E, 0xE10E9818,
+ 0x7F6A0DBB, 0x086D3D2D, 0x91646C97, 0xE6635C01,
+ 0x6B6B51F4, 0x1C6C6162, 0x856530D8, 0xF262004E,
+ 0x6C0695ED, 0x1B01A57B, 0x8208F4C1, 0xF50FC457,
+ 0x65B0D9C6, 0x12B7E950, 0x8BBEB8EA, 0xFCB9887C,
+ 0x62DD1DDF, 0x15DA2D49, 0x8CD37CF3, 0xFBD44C65,
+ 0x4DB26158, 0x3AB551CE, 0xA3BC0074, 0xD4BB30E2,
+ 0x4ADFA541, 0x3DD895D7, 0xA4D1C46D, 0xD3D6F4FB,
+ 0x4369E96A, 0x346ED9FC, 0xAD678846, 0xDA60B8D0,
+ 0x44042D73, 0x33031DE5, 0xAA0A4C5F, 0xDD0D7CC9,
+ 0x5005713C, 0x270241AA, 0xBE0B1010, 0xC90C2086,
+ 0x5768B525, 0x206F85B3, 0xB966D409, 0xCE61E49F,
+ 0x5EDEF90E, 0x29D9C998, 0xB0D09822, 0xC7D7A8B4,
+ 0x59B33D17, 0x2EB40D81, 0xB7BD5C3B, 0xC0BA6CAD,
+
+ 0xEDB88320, 0x9ABFB3B6, 0x03B6E20C, 0x74B1D29A,
+ 0xEAD54739, 0x9DD277AF, 0x04DB2615, 0x73DC1683,
+ 0xE3630B12, 0x94643B84, 0x0D6D6A3E, 0x7A6A5AA8,
+ 0xE40ECF0B, 0x9309FF9D, 0x0A00AE27, 0x7D079EB1,
+ 0xF00F9344, 0x8708A3D2, 0x1E01F268, 0x6906C2FE,
+ 0xF762575D, 0x806567CB, 0x196C3671, 0x6E6B06E7,
+ 0xFED41B76, 0x89D32BE0, 0x10DA7A5A, 0x67DD4ACC,
+ 0xF9B9DF6F, 0x8EBEEFF9, 0x17B7BE43, 0x60B08ED5,
+ 0xD6D6A3E8, 0xA1D1937E, 0x38D8C2C4, 0x4FDFF252,
+ 0xD1BB67F1, 0xA6BC5767, 0x3FB506DD, 0x48B2364B,
+ 0xD80D2BDA, 0xAF0A1B4C, 0x36034AF6, 0x41047A60,
+ 0xDF60EFC3, 0xA867DF55, 0x316E8EEF, 0x4669BE79,
+ 0xCB61B38C, 0xBC66831A, 0x256FD2A0, 0x5268E236,
+ 0xCC0C7795, 0xBB0B4703, 0x220216B9, 0x5505262F,
+ 0xC5BA3BBE, 0xB2BD0B28, 0x2BB45A92, 0x5CB36A04,
+ 0xC2D7FFA7, 0xB5D0CF31, 0x2CD99E8B, 0x5BDEAE1D,
+
+ 0x9B64C2B0, 0xEC63F226, 0x756AA39C, 0x026D930A,
+ 0x9C0906A9, 0xEB0E363F, 0x72076785, 0x05005713,
+ 0x95BF4A82, 0xE2B87A14, 0x7BB12BAE, 0x0CB61B38,
+ 0x92D28E9B, 0xE5D5BE0D, 0x7CDCEFB7, 0x0BDBDF21,
+ 0x86D3D2D4, 0xF1D4E242, 0x68DDB3F8, 0x1FDA836E,
+ 0x81BE16CD, 0xF6B9265B, 0x6FB077E1, 0x18B74777,
+ 0x88085AE6, 0xFF0F6A70, 0x66063BCA, 0x11010B5C,
+ 0x8F659EFF, 0xF862AE69, 0x616BFFD3, 0x166CCF45,
+ 0xA00AE278, 0xD70DD2EE, 0x4E048354, 0x3903B3C2,
+ 0xA7672661, 0xD06016F7, 0x4969474D, 0x3E6E77DB,
+ 0xAED16A4A, 0xD9D65ADC, 0x40DF0B66, 0x37D83BF0,
+ 0xA9BCAE53, 0xDEBB9EC5, 0x47B2CF7F, 0x30B5FFE9,
+ 0xBDBDF21C, 0xCABAC28A, 0x53B39330, 0x24B4A3A6,
+ 0xBAD03605, 0xCDD70693, 0x54DE5729, 0x23D967BF,
+ 0xB3667A2E, 0xC4614AB8, 0x5D681B02, 0x2A6F2B94,
+ 0xB40BBE37, 0xC30C8EA1, 0x5A05DF1B, 0x2D02EF8D,
+};
+
+static NTSTATUS INIT_FUNCTION
+IopSetRootDeviceInstanceData(PDEVICE_NODE DeviceNode);
+
+#if defined (ALLOC_PRAGMA)
+#pragma alloc_text(INIT, IopSetRootDeviceInstanceData)
+#pragma alloc_text(INIT, PnpInit)
+#pragma alloc_text(INIT, PnpInit2)
+#endif
+
/* FUNCTIONS *****************************************************************/
-PDEVICE_NODE FASTCALL
-IopGetDeviceNode(
- PDEVICE_OBJECT DeviceObject)
+PDEVICE_NODE
+FASTCALL
+IopGetDeviceNode(PDEVICE_OBJECT DeviceObject)
+{
+ return ((PEXTENDED_DEVOBJ_EXTENSION)DeviceObject->DeviceObjectExtension)->DeviceNode;
+}
+
+NTSTATUS
+STDCALL
+IopQueryDeviceCapabilities(PDEVICE_NODE DeviceNode,
+ PDEVICE_CAPABILITIES DeviceCaps)
{
- return DeviceObject->DeviceObjectExtension->DeviceNode;
+ IO_STATUS_BLOCK StatusBlock;
+ IO_STACK_LOCATION Stack;
+
+ /* Set up the Header */
+ RtlZeroMemory(DeviceCaps, sizeof(DEVICE_CAPABILITIES));
+ DeviceCaps->Size = sizeof(DEVICE_CAPABILITIES);
+ DeviceCaps->Version = 1;
+ DeviceCaps->Address = -1;
+ DeviceCaps->UINumber = -1;
+
+ /* Set up the Stack */
+ RtlZeroMemory(&Stack, sizeof(IO_STACK_LOCATION));
+ Stack.Parameters.DeviceCapabilities.Capabilities = DeviceCaps;
+
+ /* Send the IRP */
+ return IopInitiatePnpIrp(DeviceNode->PhysicalDeviceObject,
+ &StatusBlock,
+ IRP_MN_QUERY_CAPABILITIES,
+ &Stack);
}
/*
*/
VOID
STDCALL
-IoInvalidateDeviceRelations(
- IN PDEVICE_OBJECT DeviceObject,
- IN DEVICE_RELATION_TYPE Type)
+IoInvalidateDeviceRelations(IN PDEVICE_OBJECT DeviceObject,
+ IN DEVICE_RELATION_TYPE Type)
{
- IopInvalidateDeviceRelations(IopGetDeviceNode(DeviceObject), Type);
+ IopInvalidateDeviceRelations(IopGetDeviceNode(DeviceObject), Type);
}
/*
*/
NTSTATUS
STDCALL
-IoGetDeviceProperty(
- IN PDEVICE_OBJECT DeviceObject,
- IN DEVICE_REGISTRY_PROPERTY DeviceProperty,
- IN ULONG BufferLength,
- OUT PVOID PropertyBuffer,
- OUT PULONG ResultLength)
+IoGetDeviceProperty(IN PDEVICE_OBJECT DeviceObject,
+ IN DEVICE_REGISTRY_PROPERTY DeviceProperty,
+ IN ULONG BufferLength,
+ OUT PVOID PropertyBuffer,
+ OUT PULONG ResultLength)
{
- PDEVICE_NODE DeviceNode = IopGetDeviceNode(DeviceObject);
- ULONG Length;
- PVOID Data = NULL;
- PWSTR Ptr;
+ PDEVICE_NODE DeviceNode = IopGetDeviceNode(DeviceObject);
+ DEVICE_CAPABILITIES DeviceCaps;
+ ULONG Length;
+ PVOID Data = NULL;
+ PWSTR Ptr;
+ NTSTATUS Status;
- DPRINT("IoGetDeviceProperty(%x %d)\n", DeviceObject, DeviceProperty);
+ DPRINT("IoGetDeviceProperty(0x%p %d)\n", DeviceObject, DeviceProperty);
- if (DeviceNode == NULL)
- return STATUS_INVALID_DEVICE_REQUEST;
+ if (DeviceNode == NULL)
+ return STATUS_INVALID_DEVICE_REQUEST;
- switch (DeviceProperty)
- {
- case DevicePropertyBusNumber:
- Length = sizeof(ULONG);
- Data = &DeviceNode->ChildBusNumber;
- break;
+ switch (DeviceProperty)
+ {
+ case DevicePropertyBusNumber:
+ Length = sizeof(ULONG);
+ Data = &DeviceNode->ChildBusNumber;
+ break;
+
+ /* Complete, untested */
+ case DevicePropertyBusTypeGuid:
+ /* Sanity check */
+ if ((DeviceNode->ChildBusTypeIndex != 0xFFFF) &&
+ (DeviceNode->ChildBusTypeIndex < IopBusTypeGuidList->GuidCount))
+ {
+ /* Return the GUID */
+ *ResultLength = sizeof(GUID);
- /* Complete, untested */
- case DevicePropertyBusTypeGuid:
- *ResultLength = 39 * sizeof(WCHAR);
- if (BufferLength < (39 * sizeof(WCHAR)))
- return STATUS_BUFFER_TOO_SMALL;
- swprintf((PWSTR)PropertyBuffer,
- L"{%08lX-%04X-%04X-%02X%02X-%02X%02X%02X%02X%02X%02X}",
- DeviceNode->BusTypeGuid.Data1,
- DeviceNode->BusTypeGuid.Data2,
- DeviceNode->BusTypeGuid.Data3,
- DeviceNode->BusTypeGuid.Data4[0],
- DeviceNode->BusTypeGuid.Data4[1],
- DeviceNode->BusTypeGuid.Data4[2],
- DeviceNode->BusTypeGuid.Data4[3],
- DeviceNode->BusTypeGuid.Data4[4],
- DeviceNode->BusTypeGuid.Data4[5],
- DeviceNode->BusTypeGuid.Data4[6],
- DeviceNode->BusTypeGuid.Data4[7]);
- return STATUS_SUCCESS;
+ /* Check if the buffer given was large enough */
+ if (BufferLength < *ResultLength)
+ {
+ return STATUS_BUFFER_TOO_SMALL;
+ }
- case DevicePropertyLegacyBusType:
- Length = sizeof(INTERFACE_TYPE);
- Data = &DeviceNode->ChildInterfaceType;
- break;
+ /* Copy the GUID */
+ RtlCopyMemory(PropertyBuffer,
+ &(IopBusTypeGuidList->Guids[DeviceNode->ChildBusTypeIndex]),
+ sizeof(GUID));
+ return STATUS_SUCCESS;
+ }
+ else
+ {
+ return STATUS_OBJECT_NAME_NOT_FOUND;
+ }
+ break;
- case DevicePropertyAddress:
- Length = sizeof(ULONG);
- Data = &DeviceNode->Address;
- break;
+ case DevicePropertyLegacyBusType:
+ Length = sizeof(INTERFACE_TYPE);
+ Data = &DeviceNode->ChildInterfaceType;
+ break;
+
+ case DevicePropertyAddress:
+ /* Query the device caps */
+ Status = IopQueryDeviceCapabilities(DeviceNode, &DeviceCaps);
+ if (NT_SUCCESS(Status) && (DeviceCaps.Address != (ULONG)-1))
+ {
+ /* Return length */
+ *ResultLength = sizeof(ULONG);
+
+ /* Check if the buffer given was large enough */
+ if (BufferLength < *ResultLength)
+ {
+ return STATUS_BUFFER_TOO_SMALL;
+ }
+
+ /* Return address */
+ *(PULONG)PropertyBuffer = DeviceCaps.Address;
+ return STATUS_SUCCESS;
+ }
+ else
+ {
+ return STATUS_OBJECT_NAME_NOT_FOUND;
+ }
+ break;
// case DevicePropertyUINumber:
// if (DeviceNode->CapabilityFlags == NULL)
// Data = &DeviceNode->CapabilityFlags->UINumber;
// break;
- case DevicePropertyClassName:
- case DevicePropertyClassGuid:
- case DevicePropertyDriverKeyName:
- case DevicePropertyManufacturer:
- case DevicePropertyFriendlyName:
- case DevicePropertyHardwareID:
- case DevicePropertyCompatibleIDs:
- case DevicePropertyDeviceDescription:
- case DevicePropertyLocationInformation:
- case DevicePropertyUINumber:
+ case DevicePropertyClassName:
+ case DevicePropertyClassGuid:
+ case DevicePropertyDriverKeyName:
+ case DevicePropertyManufacturer:
+ case DevicePropertyFriendlyName:
+ case DevicePropertyHardwareID:
+ case DevicePropertyCompatibleIDs:
+ case DevicePropertyDeviceDescription:
+ case DevicePropertyLocationInformation:
+ case DevicePropertyUINumber:
{
- LPWSTR RegistryPropertyName, KeyNameBuffer;
- UNICODE_STRING KeyName, ValueName;
- OBJECT_ATTRIBUTES ObjectAttributes;
- KEY_VALUE_PARTIAL_INFORMATION *ValueInformation;
- ULONG ValueInformationLength;
- HANDLE KeyHandle;
- NTSTATUS Status;
-
- switch (DeviceProperty)
- {
- case DevicePropertyClassName:
- RegistryPropertyName = L"Class"; break;
- case DevicePropertyClassGuid:
- RegistryPropertyName = L"ClassGuid"; break;
- case DevicePropertyDriverKeyName:
- RegistryPropertyName = L"Driver"; break;
- case DevicePropertyManufacturer:
- RegistryPropertyName = L"Mfg"; break;
- case DevicePropertyFriendlyName:
- RegistryPropertyName = L"FriendlyName"; break;
- case DevicePropertyHardwareID:
- RegistryPropertyName = L"HardwareID"; break;
- case DevicePropertyCompatibleIDs:
- RegistryPropertyName = L"CompatibleIDs"; break;
- case DevicePropertyDeviceDescription:
- RegistryPropertyName = L"DeviceDesc"; break;
- case DevicePropertyLocationInformation:
- RegistryPropertyName = L"LocationInformation"; break;
- case DevicePropertyUINumber:
- RegistryPropertyName = L"UINumber"; break;
- default:
- RegistryPropertyName = NULL; break;
- }
-
- KeyNameBuffer = ExAllocatePool(PagedPool,
- (49 * sizeof(WCHAR)) + DeviceNode->InstancePath.Length);
-
- DPRINT("KeyNameBuffer: %x, value %S\n",
- KeyNameBuffer, RegistryPropertyName);
-
- if (KeyNameBuffer == NULL)
- return STATUS_INSUFFICIENT_RESOURCES;
-
- wcscpy(KeyNameBuffer, L"\\Registry\\Machine\\System\\CurrentControlSet\\Enum\\");
- wcscat(KeyNameBuffer, DeviceNode->InstancePath.Buffer);
- RtlInitUnicodeString(&KeyName, KeyNameBuffer);
- InitializeObjectAttributes(&ObjectAttributes, &KeyName,
- OBJ_CASE_INSENSITIVE, NULL, NULL);
-
- Status = ZwOpenKey(&KeyHandle, KEY_READ, &ObjectAttributes);
- ExFreePool(KeyNameBuffer);
- if (!NT_SUCCESS(Status))
- return Status;
-
- RtlInitUnicodeString(&ValueName, RegistryPropertyName);
- ValueInformationLength = FIELD_OFFSET(KEY_VALUE_PARTIAL_INFORMATION,
- Data[0]) + BufferLength;
- ValueInformation = ExAllocatePool(PagedPool, ValueInformationLength);
- if (ValueInformation == NULL)
- {
- ZwClose(KeyHandle);
- return STATUS_INSUFFICIENT_RESOURCES;
- }
-
- Status = ZwQueryValueKey(KeyHandle, &ValueName,
- KeyValuePartialInformation, ValueInformation,
- ValueInformationLength,
- &ValueInformationLength);
- *ResultLength = ValueInformation->DataLength;
- ZwClose(KeyHandle);
-
- if (ValueInformation->DataLength > BufferLength)
- Status = STATUS_BUFFER_TOO_SMALL;
-
- if (!NT_SUCCESS(Status))
- {
- ExFreePool(ValueInformation);
- return Status;
- }
-
- /* FIXME: Verify the value (NULL-terminated, correct format). */
-
- RtlCopyMemory(PropertyBuffer, ValueInformation->Data,
- ValueInformation->DataLength);
- ExFreePool(ValueInformation);
-
- return STATUS_SUCCESS;
+ LPWSTR RegistryPropertyName, KeyNameBuffer;
+ UNICODE_STRING KeyName, ValueName;
+ OBJECT_ATTRIBUTES ObjectAttributes;
+ KEY_VALUE_PARTIAL_INFORMATION *ValueInformation;
+ ULONG ValueInformationLength;
+ HANDLE KeyHandle;
+ NTSTATUS Status;
+
+ switch (DeviceProperty)
+ {
+ case DevicePropertyClassName:
+ RegistryPropertyName = L"Class"; break;
+ case DevicePropertyClassGuid:
+ RegistryPropertyName = L"ClassGuid"; break;
+ case DevicePropertyDriverKeyName:
+ RegistryPropertyName = L"Driver"; break;
+ case DevicePropertyManufacturer:
+ RegistryPropertyName = L"Mfg"; break;
+ case DevicePropertyFriendlyName:
+ RegistryPropertyName = L"FriendlyName"; break;
+ case DevicePropertyHardwareID:
+ RegistryPropertyName = L"HardwareID"; break;
+ case DevicePropertyCompatibleIDs:
+ RegistryPropertyName = L"CompatibleIDs"; break;
+ case DevicePropertyDeviceDescription:
+ RegistryPropertyName = L"DeviceDesc"; break;
+ case DevicePropertyLocationInformation:
+ RegistryPropertyName = L"LocationInformation"; break;
+ case DevicePropertyUINumber:
+ RegistryPropertyName = L"UINumber"; break;
+ default:
+ RegistryPropertyName = NULL; break;
+ }
+
+ KeyNameBuffer = ExAllocatePool(PagedPool,
+ (49 * sizeof(WCHAR)) + DeviceNode->InstancePath.Length);
+
+ DPRINT("KeyNameBuffer: 0x%p, value %S\n", KeyNameBuffer, RegistryPropertyName);
+
+ if (KeyNameBuffer == NULL)
+ return STATUS_INSUFFICIENT_RESOURCES;
+
+ wcscpy(KeyNameBuffer, L"\\Registry\\Machine\\System\\CurrentControlSet\\Enum\\");
+ wcscat(KeyNameBuffer, DeviceNode->InstancePath.Buffer);
+ RtlInitUnicodeString(&KeyName, KeyNameBuffer);
+ InitializeObjectAttributes(&ObjectAttributes, &KeyName,
+ OBJ_CASE_INSENSITIVE, NULL, NULL);
+
+ Status = ZwOpenKey(&KeyHandle, KEY_READ, &ObjectAttributes);
+ ExFreePool(KeyNameBuffer);
+ if (!NT_SUCCESS(Status))
+ return Status;
+
+ RtlInitUnicodeString(&ValueName, RegistryPropertyName);
+ ValueInformationLength = FIELD_OFFSET(KEY_VALUE_PARTIAL_INFORMATION,
+ Data[0]) + BufferLength;
+ ValueInformation = ExAllocatePool(PagedPool, ValueInformationLength);
+ if (ValueInformation == NULL)
+ {
+ ZwClose(KeyHandle);
+ return STATUS_INSUFFICIENT_RESOURCES;
+ }
+
+ Status = ZwQueryValueKey(KeyHandle, &ValueName,
+ KeyValuePartialInformation, ValueInformation,
+ ValueInformationLength,
+ &ValueInformationLength);
+ *ResultLength = ValueInformation->DataLength;
+ ZwClose(KeyHandle);
+
+ if (!NT_SUCCESS(Status))
+ {
+ ExFreePool(ValueInformation);
+ if (Status == STATUS_BUFFER_OVERFLOW)
+ return STATUS_BUFFER_TOO_SMALL;
+ else
+ return Status;
+ }
+
+ /* FIXME: Verify the value (NULL-terminated, correct format). */
+
+ RtlCopyMemory(PropertyBuffer, ValueInformation->Data,
+ ValueInformation->DataLength);
+ ExFreePool(ValueInformation);
+
+ return STATUS_SUCCESS;
}
- case DevicePropertyBootConfiguration:
+ case DevicePropertyBootConfiguration:
Length = 0;
if (DeviceNode->BootResources->Count != 0)
{
- Length = CM_RESOURCE_LIST_SIZE(DeviceNode->BootResources);
+ Length = CM_RESOURCE_LIST_SIZE(DeviceNode->BootResources);
}
Data = &DeviceNode->BootResources;
break;
- /* FIXME: use a translated boot configuration instead */
- case DevicePropertyBootConfigurationTranslated:
+ /* FIXME: use a translated boot configuration instead */
+ case DevicePropertyBootConfigurationTranslated:
Length = 0;
if (DeviceNode->BootResources->Count != 0)
{
- Length = CM_RESOURCE_LIST_SIZE(DeviceNode->BootResources);
+ Length = CM_RESOURCE_LIST_SIZE(DeviceNode->BootResources);
}
Data = &DeviceNode->BootResources;
break;
- case DevicePropertyEnumeratorName:
+ case DevicePropertyEnumeratorName:
Ptr = wcschr(DeviceNode->InstancePath.Buffer, L'\\');
if (Ptr != NULL)
{
- Length = (ULONG)((ULONG_PTR)Ptr - (ULONG_PTR)DeviceNode->InstancePath.Buffer) + sizeof(WCHAR);
+ Length = (ULONG)((ULONG_PTR)Ptr - (ULONG_PTR)DeviceNode->InstancePath.Buffer) + sizeof(WCHAR);
+ Data = DeviceNode->InstancePath.Buffer;
}
else
{
- Length = 0;
- Data = NULL;
+ Length = 0;
+ Data = NULL;
}
break;
- case DevicePropertyPhysicalDeviceObjectName:
- return STATUS_NOT_IMPLEMENTED;
+ case DevicePropertyPhysicalDeviceObjectName:
+ Length = DeviceNode->InstancePath.Length + sizeof(WCHAR);
+ Data = DeviceNode->InstancePath.Buffer;
+ break;
- default:
+ default:
return STATUS_INVALID_PARAMETER_2;
}
*ResultLength = Length;
if (BufferLength < Length)
- return STATUS_BUFFER_TOO_SMALL;
+ return STATUS_BUFFER_TOO_SMALL;
RtlCopyMemory(PropertyBuffer, Data, Length);
/* Terminate the string */
- if (DeviceProperty == DevicePropertyEnumeratorName)
+ if (DeviceProperty == DevicePropertyEnumeratorName
+ || DeviceProperty == DevicePropertyPhysicalDeviceObjectName)
{
- Ptr = (PWSTR)PropertyBuffer;
- Ptr[(Length / sizeof(WCHAR)) - 1] = 0;
+ Ptr = (PWSTR)PropertyBuffer;
+ Ptr[(Length / sizeof(WCHAR)) - 1] = 0;
}
return STATUS_SUCCESS;
*/
VOID
STDCALL
-IoInvalidateDeviceState(
- IN PDEVICE_OBJECT PhysicalDeviceObject)
+IoInvalidateDeviceState(IN PDEVICE_OBJECT PhysicalDeviceObject)
{
}
*/
NTSTATUS
STDCALL
-IoOpenDeviceRegistryKey(
- IN PDEVICE_OBJECT DeviceObject,
- IN ULONG DevInstKeyType,
- IN ACCESS_MASK DesiredAccess,
- OUT PHANDLE DevInstRegKey)
+IoOpenDeviceRegistryKey(IN PDEVICE_OBJECT DeviceObject,
+ IN ULONG DevInstKeyType,
+ IN ACCESS_MASK DesiredAccess,
+ OUT PHANDLE DevInstRegKey)
{
static WCHAR RootKeyName[] =
L"\\Registry\\Machine\\System\\CurrentControlSet\\";
L"Hardware Profiles\\Current\\System\\CurrentControlSet\\";
static WCHAR ClassKeyName[] = L"Control\\Class\\";
static WCHAR EnumKeyName[] = L"Enum\\";
- static WCHAR DeviceParametersKeyName[] = L"Device Parameters\\";
+ static WCHAR DeviceParametersKeyName[] = L"Device Parameters";
ULONG KeyNameLength;
LPWSTR KeyNameBuffer;
UNICODE_STRING KeyName;
*/
VOID
STDCALL
-IoRequestDeviceEject(
- IN PDEVICE_OBJECT PhysicalDeviceObject
- )
+IoRequestDeviceEject(IN PDEVICE_OBJECT PhysicalDeviceObject)
{
UNIMPLEMENTED;
}
-BOOLEAN
-IopCreateUnicodeString(
- PUNICODE_STRING Destination,
- PWSTR Source,
- POOL_TYPE PoolType)
+NTSTATUS
+IopGetSystemPowerDeviceObject(PDEVICE_OBJECT *DeviceObject)
{
- ULONG Length;
+ KIRQL OldIrql;
- if (!Source)
- {
- RtlInitUnicodeString(Destination, NULL);
- return TRUE;
- }
+ if (PopSystemPowerDeviceNode)
+ {
+ KeAcquireSpinLock(&IopDeviceTreeLock, &OldIrql);
+ *DeviceObject = PopSystemPowerDeviceNode->PhysicalDeviceObject;
+ KeReleaseSpinLock(&IopDeviceTreeLock, OldIrql);
- Length = (wcslen(Source) + 1) * sizeof(WCHAR);
+ return STATUS_SUCCESS;
+ }
- Destination->Buffer = ExAllocatePool(PoolType, Length);
+ return STATUS_UNSUCCESSFUL;
+}
- if (Destination->Buffer == NULL)
- {
- return FALSE;
- }
+USHORT
+STDCALL
+IopGetBusTypeGuidIndex(LPGUID BusTypeGuid)
+{
+ USHORT i = 0, FoundIndex = 0xFFFF;
+ ULONG NewSize;
+ PVOID NewList;
+
+ /* Acquire the lock */
+ ExAcquireFastMutex(&IopBusTypeGuidList->Lock);
+
+ /* Loop all entries */
+ while (i < IopBusTypeGuidList->GuidCount)
+ {
+ /* Try to find a match */
+ if (RtlCompareMemory(BusTypeGuid,
+ &IopBusTypeGuidList->Guids[i],
+ sizeof(GUID)))
+ {
+ /* Found it */
+ FoundIndex = i;
+ goto Quickie;
+ }
+ i++;
+ }
- RtlCopyMemory(Destination->Buffer, Source, Length);
+ /* Check if we have to grow the list */
+ if (IopBusTypeGuidList->GuidCount)
+ {
+ /* Calculate the new size */
+ NewSize = sizeof(IO_BUS_TYPE_GUID_LIST) +
+ (sizeof(GUID) * IopBusTypeGuidList->GuidCount);
- Destination->MaximumLength = Length;
+ /* Allocate the new copy */
+ NewList = ExAllocatePool(PagedPool, NewSize);
- Destination->Length = Length - sizeof(WCHAR);
+ /* Now copy them, decrease the size too */
+ NewSize -= sizeof(GUID);
+ RtlCopyMemory(NewList, IopBusTypeGuidList, NewSize);
- return TRUE;
-}
+ /* Free the old list */
+ ExFreePool(IopBusTypeGuidList);
-NTSTATUS
-IopGetSystemPowerDeviceObject(PDEVICE_OBJECT *DeviceObject)
-{
- KIRQL OldIrql;
+ /* Use the new buffer */
+ IopBusTypeGuidList = NewList;
+ }
- if (PopSystemPowerDeviceNode)
- {
- KeAcquireSpinLock(&IopDeviceTreeLock, &OldIrql);
- *DeviceObject = PopSystemPowerDeviceNode->PhysicalDeviceObject;
- KeReleaseSpinLock(&IopDeviceTreeLock, OldIrql);
+ /* Copy the new GUID */
+ RtlCopyMemory(&IopBusTypeGuidList->Guids[IopBusTypeGuidList->GuidCount],
+ BusTypeGuid,
+ sizeof(GUID));
- return STATUS_SUCCESS;
- }
+ /* The new entry is the index */
+ FoundIndex = IopBusTypeGuidList->GuidCount;
+ IopBusTypeGuidList->GuidCount++;
- return STATUS_UNSUCCESSFUL;
+Quickie:
+ ExReleaseFastMutex(&IopBusTypeGuidList->Lock);
+ return FoundIndex;
}
/*
*/
NTSTATUS
IopCreateDeviceNode(PDEVICE_NODE ParentNode,
- PDEVICE_OBJECT PhysicalDeviceObject,
- PDEVICE_NODE *DeviceNode)
+ PDEVICE_OBJECT PhysicalDeviceObject,
+ PDEVICE_NODE *DeviceNode)
{
- PDEVICE_NODE Node;
- NTSTATUS Status;
- KIRQL OldIrql;
+ PDEVICE_NODE Node;
+ NTSTATUS Status;
+ KIRQL OldIrql;
- DPRINT("ParentNode %x PhysicalDeviceObject %x\n",
- ParentNode, PhysicalDeviceObject);
+ DPRINT("ParentNode 0x%p PhysicalDeviceObject 0x%p\n",
+ ParentNode, PhysicalDeviceObject);
- Node = (PDEVICE_NODE)ExAllocatePool(NonPagedPool, sizeof(DEVICE_NODE));
- if (!Node)
- {
+ Node = (PDEVICE_NODE)ExAllocatePool(NonPagedPool, sizeof(DEVICE_NODE));
+ if (!Node)
+ {
return STATUS_INSUFFICIENT_RESOURCES;
- }
+ }
- RtlZeroMemory(Node, sizeof(DEVICE_NODE));
+ RtlZeroMemory(Node, sizeof(DEVICE_NODE));
- if (!PhysicalDeviceObject)
- {
+ if (!PhysicalDeviceObject)
+ {
Status = PnpRootCreateDevice(&PhysicalDeviceObject);
if (!NT_SUCCESS(Status))
- {
- ExFreePool(Node);
- return Status;
- }
+ {
+ ExFreePool(Node);
+ return Status;
+ }
/* This is for drivers passed on the command line to ntoskrnl.exe */
IopDeviceNodeSetFlag(Node, DNF_STARTED);
IopDeviceNodeSetFlag(Node, DNF_LEGACY_DRIVER);
- }
+ }
- Node->PhysicalDeviceObject = PhysicalDeviceObject;
+ Node->PhysicalDeviceObject = PhysicalDeviceObject;
- PhysicalDeviceObject->DeviceObjectExtension->DeviceNode = Node;
+ ((PEXTENDED_DEVOBJ_EXTENSION)PhysicalDeviceObject->DeviceObjectExtension)->DeviceNode = Node;
- if (ParentNode)
- {
+ if (ParentNode)
+ {
KeAcquireSpinLock(&IopDeviceTreeLock, &OldIrql);
Node->Parent = ParentNode;
Node->NextSibling = ParentNode->Child;
if (ParentNode->Child != NULL)
- {
- ParentNode->Child->PrevSibling = Node;
- }
+ {
+ ParentNode->Child->PrevSibling = Node;
+ }
ParentNode->Child = Node;
KeReleaseSpinLock(&IopDeviceTreeLock, OldIrql);
- }
+ Node->Level = ParentNode->Level + 1;
+ }
- *DeviceNode = Node;
+ *DeviceNode = Node;
- return STATUS_SUCCESS;
+ return STATUS_SUCCESS;
}
NTSTATUS
IopFreeDeviceNode(PDEVICE_NODE DeviceNode)
{
- KIRQL OldIrql;
+ KIRQL OldIrql;
- /* All children must be deleted before a parent is deleted */
- ASSERT(!DeviceNode->Child);
+ /* All children must be deleted before a parent is deleted */
+ ASSERT(!DeviceNode->Child);
- KeAcquireSpinLock(&IopDeviceTreeLock, &OldIrql);
+ KeAcquireSpinLock(&IopDeviceTreeLock, &OldIrql);
- ASSERT(DeviceNode->PhysicalDeviceObject);
+ ASSERT(DeviceNode->PhysicalDeviceObject);
- ObDereferenceObject(DeviceNode->PhysicalDeviceObject);
+ ObDereferenceObject(DeviceNode->PhysicalDeviceObject);
- /* Unlink from parent if it exists */
+ /* Unlink from parent if it exists */
- if ((DeviceNode->Parent) && (DeviceNode->Parent->Child == DeviceNode))
- {
- DeviceNode->Parent->Child = DeviceNode->NextSibling;
- }
+ if ((DeviceNode->Parent) && (DeviceNode->Parent->Child == DeviceNode))
+ {
+ DeviceNode->Parent->Child = DeviceNode->NextSibling;
+ }
- /* Unlink from sibling list */
+ /* Unlink from sibling list */
- if (DeviceNode->PrevSibling)
- {
- DeviceNode->PrevSibling->NextSibling = DeviceNode->NextSibling;
- }
+ if (DeviceNode->PrevSibling)
+ {
+ DeviceNode->PrevSibling->NextSibling = DeviceNode->NextSibling;
+ }
- if (DeviceNode->NextSibling)
- {
- DeviceNode->NextSibling->PrevSibling = DeviceNode->PrevSibling;
- }
+ if (DeviceNode->NextSibling)
+ {
+ DeviceNode->NextSibling->PrevSibling = DeviceNode->PrevSibling;
+ }
- KeReleaseSpinLock(&IopDeviceTreeLock, OldIrql);
+ KeReleaseSpinLock(&IopDeviceTreeLock, OldIrql);
- RtlFreeUnicodeString(&DeviceNode->InstancePath);
+ RtlFreeUnicodeString(&DeviceNode->InstancePath);
- RtlFreeUnicodeString(&DeviceNode->ServiceName);
+ RtlFreeUnicodeString(&DeviceNode->ServiceName);
- if (DeviceNode->ResourceList)
- {
- ExFreePool(DeviceNode->ResourceList);
- }
+ if (DeviceNode->ResourceList)
+ {
+ ExFreePool(DeviceNode->ResourceList);
+ }
- if (DeviceNode->ResourceListTranslated)
- {
- ExFreePool(DeviceNode->ResourceListTranslated);
- }
+ if (DeviceNode->ResourceListTranslated)
+ {
+ ExFreePool(DeviceNode->ResourceListTranslated);
+ }
- if (DeviceNode->ResourceRequirements)
- {
- ExFreePool(DeviceNode->ResourceRequirements);
- }
+ if (DeviceNode->ResourceRequirements)
+ {
+ ExFreePool(DeviceNode->ResourceRequirements);
+ }
- if (DeviceNode->BootResources)
- {
- ExFreePool(DeviceNode->BootResources);
- }
+ if (DeviceNode->BootResources)
+ {
+ ExFreePool(DeviceNode->BootResources);
+ }
- ExFreePool(DeviceNode);
+ ExFreePool(DeviceNode);
- return STATUS_SUCCESS;
+ return STATUS_SUCCESS;
}
NTSTATUS
-IopInitiatePnpIrp(
- PDEVICE_OBJECT DeviceObject,
- PIO_STATUS_BLOCK IoStatusBlock,
- ULONG MinorFunction,
- PIO_STACK_LOCATION Stack OPTIONAL)
+IopInitiatePnpIrp(PDEVICE_OBJECT DeviceObject,
+ PIO_STATUS_BLOCK IoStatusBlock,
+ ULONG MinorFunction,
+ PIO_STACK_LOCATION Stack OPTIONAL)
{
- PDEVICE_OBJECT TopDeviceObject;
- PIO_STACK_LOCATION IrpSp;
- NTSTATUS Status;
- KEVENT Event;
- PIRP Irp;
-
- /* Always call the top of the device stack */
- TopDeviceObject = IoGetAttachedDeviceReference(DeviceObject);
-
- KeInitializeEvent(
- &Event,
- NotificationEvent,
- FALSE);
-
- Irp = IoBuildSynchronousFsdRequest(
- IRP_MJ_PNP,
- TopDeviceObject,
- NULL,
- 0,
- NULL,
- &Event,
- IoStatusBlock);
-
- /* PNP IRPs are always initialized with a status code of
- STATUS_NOT_IMPLEMENTED */
- Irp->IoStatus.Status = STATUS_NOT_IMPLEMENTED;
- Irp->IoStatus.Information = 0;
-
- IrpSp = IoGetNextIrpStackLocation(Irp);
- IrpSp->MinorFunction = MinorFunction;
-
- if (Stack)
- {
- RtlMoveMemory(
- &IrpSp->Parameters,
- &Stack->Parameters,
- sizeof(Stack->Parameters));
- }
+ PDEVICE_OBJECT TopDeviceObject;
+ PIO_STACK_LOCATION IrpSp;
+ NTSTATUS Status;
+ KEVENT Event;
+ PIRP Irp;
- Status = IoCallDriver(TopDeviceObject, Irp);
- if (Status == STATUS_PENDING)
- {
- KeWaitForSingleObject(
- &Event,
- Executive,
- KernelMode,
- FALSE,
- NULL);
+ /* Always call the top of the device stack */
+ TopDeviceObject = IoGetAttachedDeviceReference(DeviceObject);
+
+ KeInitializeEvent(
+ &Event,
+ NotificationEvent,
+ FALSE);
+
+ Irp = IoBuildSynchronousFsdRequest(
+ IRP_MJ_PNP,
+ TopDeviceObject,
+ NULL,
+ 0,
+ NULL,
+ &Event,
+ IoStatusBlock);
+
+ /* PNP IRPs are always initialized with a status code of
+ STATUS_NOT_IMPLEMENTED */
+ Irp->IoStatus.Status = STATUS_NOT_IMPLEMENTED;
+ Irp->IoStatus.Information = 0;
+
+ IrpSp = IoGetNextIrpStackLocation(Irp);
+ IrpSp->MinorFunction = MinorFunction;
+
+ if (Stack)
+ {
+ RtlMoveMemory(&IrpSp->Parameters,
+ &Stack->Parameters,
+ sizeof(Stack->Parameters));
+ }
+
+ Status = IoCallDriver(TopDeviceObject, Irp);
+ if (Status == STATUS_PENDING)
+ {
+ KeWaitForSingleObject(&Event,
+ Executive,
+ KernelMode,
+ FALSE,
+ NULL);
Status = IoStatusBlock->Status;
- }
+ }
- ObDereferenceObject(TopDeviceObject);
+ ObDereferenceObject(TopDeviceObject);
- return Status;
+ return Status;
}
NTSTATUS
-IopTraverseDeviceTreeNode(
- PDEVICETREE_TRAVERSE_CONTEXT Context)
+IopTraverseDeviceTreeNode(PDEVICETREE_TRAVERSE_CONTEXT Context)
{
- PDEVICE_NODE ParentDeviceNode;
- PDEVICE_NODE ChildDeviceNode;
- NTSTATUS Status;
+ PDEVICE_NODE ParentDeviceNode;
+ PDEVICE_NODE ChildDeviceNode;
+ NTSTATUS Status;
- /* Copy context data so we don't overwrite it in subsequent calls to this function */
- ParentDeviceNode = Context->DeviceNode;
+ /* Copy context data so we don't overwrite it in subsequent calls to this function */
+ ParentDeviceNode = Context->DeviceNode;
- /* Call the action routine */
- Status = (Context->Action)(ParentDeviceNode, Context->Context);
- if (!NT_SUCCESS(Status))
- {
- return Status;
- }
+ /* Call the action routine */
+ Status = (Context->Action)(ParentDeviceNode, Context->Context);
+ if (!NT_SUCCESS(Status))
+ {
+ return Status;
+ }
- /* Traversal of all children nodes */
- for (ChildDeviceNode = ParentDeviceNode->Child;
- ChildDeviceNode != NULL;
- ChildDeviceNode = ChildDeviceNode->NextSibling)
- {
- /* Pass the current device node to the action routine */
- Context->DeviceNode = ChildDeviceNode;
+ /* Traversal of all children nodes */
+ for (ChildDeviceNode = ParentDeviceNode->Child;
+ ChildDeviceNode != NULL;
+ ChildDeviceNode = ChildDeviceNode->NextSibling)
+ {
+ /* Pass the current device node to the action routine */
+ Context->DeviceNode = ChildDeviceNode;
- Status = IopTraverseDeviceTreeNode(Context);
- if (!NT_SUCCESS(Status))
- {
- return Status;
- }
- }
+ Status = IopTraverseDeviceTreeNode(Context);
+ if (!NT_SUCCESS(Status))
+ {
+ return Status;
+ }
+ }
- return Status;
+ return Status;
}
NTSTATUS
-IopTraverseDeviceTree(
- PDEVICETREE_TRAVERSE_CONTEXT Context)
+IopTraverseDeviceTree(PDEVICETREE_TRAVERSE_CONTEXT Context)
{
- NTSTATUS Status;
+ NTSTATUS Status;
- DPRINT("Context %x\n", Context);
+ DPRINT("Context 0x%p\n", Context);
- DPRINT("IopTraverseDeviceTree(DeviceNode %x FirstDeviceNode %x Action %x Context %x)\n",
- Context->DeviceNode, Context->FirstDeviceNode, Context->Action, Context->Context);
+ DPRINT("IopTraverseDeviceTree(DeviceNode 0x%p FirstDeviceNode 0x%p Action %x Context 0x%p)\n",
+ Context->DeviceNode, Context->FirstDeviceNode, Context->Action, Context->Context);
- /* Start from the specified device node */
- Context->DeviceNode = Context->FirstDeviceNode;
+ /* Start from the specified device node */
+ Context->DeviceNode = Context->FirstDeviceNode;
- /* Recursively traverse the device tree */
- Status = IopTraverseDeviceTreeNode(Context);
- if (Status == STATUS_UNSUCCESSFUL)
- {
- /* The action routine just wanted to terminate the traversal with status
- code STATUS_SUCCESS */
- Status = STATUS_SUCCESS;
- }
+ /* Recursively traverse the device tree */
+ Status = IopTraverseDeviceTreeNode(Context);
+ if (Status == STATUS_UNSUCCESSFUL)
+ {
+ /* The action routine just wanted to terminate the traversal with status
+ code STATUS_SUCCESS */
+ Status = STATUS_SUCCESS;
+ }
- return Status;
+ return Status;
}
-static NTSTATUS
+static
+NTSTATUS
IopCreateDeviceKeyPath(PWSTR Path,
- PHANDLE Handle)
+ PHANDLE Handle)
{
- OBJECT_ATTRIBUTES ObjectAttributes;
- WCHAR KeyBuffer[MAX_PATH];
- UNICODE_STRING KeyName;
- HANDLE KeyHandle;
- NTSTATUS Status;
- PWCHAR Current;
- PWCHAR Next;
+ OBJECT_ATTRIBUTES ObjectAttributes;
+ WCHAR KeyBuffer[MAX_PATH];
+ UNICODE_STRING KeyName;
+ HANDLE KeyHandle;
+ NTSTATUS Status;
+ PWCHAR Current;
+ PWCHAR Next;
- *Handle = NULL;
+ *Handle = NULL;
- if (_wcsnicmp(Path, L"\\Registry\\", 10) != 0)
- {
+ if (_wcsnicmp(Path, L"\\Registry\\", 10) != 0)
+ {
return STATUS_INVALID_PARAMETER;
- }
+ }
- wcsncpy (KeyBuffer, Path, MAX_PATH-1);
+ wcsncpy (KeyBuffer, Path, MAX_PATH-1);
- /* Skip \\Registry\\ */
- Current = KeyBuffer;
- Current = wcschr (Current, L'\\') + 1;
- Current = wcschr (Current, L'\\') + 1;
+ /* Skip \\Registry\\ */
+ Current = KeyBuffer;
+ Current = wcschr (Current, L'\\') + 1;
+ Current = wcschr (Current, L'\\') + 1;
- while (TRUE)
- {
+ while (TRUE)
+ {
Next = wcschr (Current, L'\\');
if (Next == NULL)
- {
- /* The end */
- }
+ {
+ /* The end */
+ }
else
- {
- *Next = 0;
- }
+ {
+ *Next = 0;
+ }
RtlInitUnicodeString (&KeyName, KeyBuffer);
InitializeObjectAttributes (&ObjectAttributes,
- &KeyName,
- OBJ_CASE_INSENSITIVE,
- NULL,
- NULL);
+ &KeyName,
+ OBJ_CASE_INSENSITIVE,
+ NULL,
+ NULL);
DPRINT("Create '%S'\n", KeyName.Buffer);
Status = ZwCreateKey (&KeyHandle,
- KEY_ALL_ACCESS,
- &ObjectAttributes,
- 0,
- NULL,
- 0,
- NULL);
+ KEY_ALL_ACCESS,
+ &ObjectAttributes,
+ 0,
+ NULL,
+ 0,
+ NULL);
if (!NT_SUCCESS (Status))
- {
- DPRINT ("ZwCreateKey() failed with status %x\n", Status);
- return Status;
- }
+ {
+ DPRINT ("ZwCreateKey() failed with status %x\n", Status);
+ return Status;
+ }
if (Next == NULL)
- {
- *Handle = KeyHandle;
- return STATUS_SUCCESS;
- }
+ {
+ *Handle = KeyHandle;
+ return STATUS_SUCCESS;
+ }
else
- {
- ZwClose (KeyHandle);
- *Next = L'\\';
- }
+ {
+ ZwClose (KeyHandle);
+ *Next = L'\\';
+ }
Current = Next + 1;
- }
+ }
- return STATUS_UNSUCCESSFUL;
+ return STATUS_UNSUCCESSFUL;
}
-static NTSTATUS
+static
+NTSTATUS
IopSetDeviceInstanceData(HANDLE InstanceKey,
- PDEVICE_NODE DeviceNode)
+ PDEVICE_NODE DeviceNode)
{
- OBJECT_ATTRIBUTES ObjectAttributes;
- UNICODE_STRING KeyName;
- HANDLE LogConfKey;
- ULONG ResCount;
- ULONG ListSize;
- NTSTATUS Status;
-
- DPRINT("IopSetDeviceInstanceData() called\n");
-
- /* Create the 'LogConf' key */
- RtlInitUnicodeString(&KeyName,
- L"LogConf");
- InitializeObjectAttributes(&ObjectAttributes,
- &KeyName,
- OBJ_CASE_INSENSITIVE,
- InstanceKey,
- NULL);
- Status = ZwCreateKey(&LogConfKey,
- KEY_ALL_ACCESS,
- &ObjectAttributes,
- 0,
- NULL,
- 0,
- NULL);
- if (NT_SUCCESS(Status))
- {
- /* Set 'BootConfig' value */
- if (DeviceNode->BootResources != NULL)
- {
- ResCount = DeviceNode->BootResources->Count;
- if (ResCount != 0)
+ OBJECT_ATTRIBUTES ObjectAttributes;
+ UNICODE_STRING KeyName;
+ HANDLE LogConfKey;
+ ULONG ResCount;
+ ULONG ListSize;
+ NTSTATUS Status;
+
+ DPRINT("IopSetDeviceInstanceData() called\n");
+
+ /* Create the 'LogConf' key */
+ RtlInitUnicodeString(&KeyName, L"LogConf");
+ InitializeObjectAttributes(&ObjectAttributes,
+ &KeyName,
+ OBJ_CASE_INSENSITIVE,
+ InstanceKey,
+ NULL);
+ Status = ZwCreateKey(&LogConfKey,
+ KEY_ALL_ACCESS,
+ &ObjectAttributes,
+ 0,
+ NULL,
+ 0,
+ NULL);
+ if (NT_SUCCESS(Status))
+ {
+ /* Set 'BootConfig' value */
+ if (DeviceNode->BootResources != NULL)
{
- ListSize = CM_RESOURCE_LIST_SIZE(DeviceNode->BootResources);
+ ResCount = DeviceNode->BootResources->Count;
+ if (ResCount != 0)
+ {
+ ListSize = CM_RESOURCE_LIST_SIZE(DeviceNode->BootResources);
+
+ RtlInitUnicodeString(&KeyName, L"BootConfig");
+ Status = ZwSetValueKey(LogConfKey,
+ &KeyName,
+ 0,
+ REG_RESOURCE_LIST,
+ &DeviceNode->BootResources,
+ ListSize);
+ }
+ }
- RtlInitUnicodeString(&KeyName,
- L"BootConfig");
- Status = ZwSetValueKey(LogConfKey,
- &KeyName,
- 0,
- REG_RESOURCE_LIST,
- &DeviceNode->BootResources,
- ListSize);
+ /* Set 'BasicConfigVector' value */
+ if (DeviceNode->ResourceRequirements != NULL &&
+ DeviceNode->ResourceRequirements->ListSize != 0)
+ {
+ RtlInitUnicodeString(&KeyName, L"BasicConfigVector");
+ Status = ZwSetValueKey(LogConfKey,
+ &KeyName,
+ 0,
+ REG_RESOURCE_REQUIREMENTS_LIST,
+ DeviceNode->ResourceRequirements,
+ DeviceNode->ResourceRequirements->ListSize);
}
- }
- /* Set 'BasicConfigVector' value */
- if (DeviceNode->ResourceRequirements != NULL &&
- DeviceNode->ResourceRequirements->ListSize != 0)
+ ZwClose(LogConfKey);
+ }
+
+#if 0
+ if (DeviceNode->PhysicalDeviceObject != NULL)
+ {
+ /* Create the 'Control' key */
+ RtlInitUnicodeString(&KeyName,
+ L"Control");
+ InitializeObjectAttributes(&ObjectAttributes,
+ &KeyName,
+ OBJ_CASE_INSENSITIVE | OBJ_OPENIF,
+ InstanceKey,
+ NULL);
+ Status = ZwCreateKey(&LogConfKey,
+ KEY_ALL_ACCESS,
+ &ObjectAttributes,
+ 0,
+ NULL,
+ REG_OPTION_VOLATILE,
+ NULL);
+ if (NT_SUCCESS(Status))
{
+ ULONG Reference = (ULONG)DeviceNode->PhysicalDeviceObject;
RtlInitUnicodeString(&KeyName,
- L"BasicConfigVector");
+ L"DeviceReference");
Status = ZwSetValueKey(LogConfKey,
&KeyName,
0,
- REG_RESOURCE_REQUIREMENTS_LIST,
- &DeviceNode->ResourceRequirements,
- DeviceNode->ResourceRequirements->ListSize);
- }
+ REG_DWORD,
+ &Reference,
+ sizeof(PVOID));
- ZwClose(LogConfKey);
+ ZwClose(LogConfKey);
+ }
}
+#endif
DPRINT("IopSetDeviceInstanceData() done\n");
NTSTATUS
-IopAssignDeviceResources(
- PDEVICE_NODE DeviceNode)
+IopAssignDeviceResources(PDEVICE_NODE DeviceNode)
{
PIO_RESOURCE_LIST ResourceList;
PIO_RESOURCE_DESCRIPTOR ResourceDescriptor;
PCM_PARTIAL_RESOURCE_DESCRIPTOR DescriptorRaw, DescriptorTranslated;
ULONG NumberOfResources = 0;
ULONG i;
-
+ NTSTATUS Status;
+
/* Fill DeviceNode->ResourceList and DeviceNode->ResourceListTranslated;
* by using DeviceNode->ResourceRequirements */
-
+
if (!DeviceNode->ResourceRequirements
|| DeviceNode->ResourceRequirements->AlternativeLists == 0)
{
DeviceNode->ResourceList = DeviceNode->ResourceListTranslated = NULL;
return STATUS_SUCCESS;
}
-
+
/* FIXME: that's here that PnP arbiter should go */
/* Actually, simply use resource list #0 as assigned resource list */
ResourceList = &DeviceNode->ResourceRequirements->List[0];
if (ResourceList->Version != 1 || ResourceList->Revision != 1)
- return STATUS_REVISION_MISMATCH;
-
- DeviceNode->ResourceList = ExAllocatePool(PagedPool,
+ {
+ Status = STATUS_REVISION_MISMATCH;
+ goto ByeBye;
+ }
+
+ DeviceNode->ResourceList = ExAllocatePool(PagedPool,
sizeof(CM_RESOURCE_LIST) + ResourceList->Count * sizeof(CM_PARTIAL_RESOURCE_DESCRIPTOR));
if (!DeviceNode->ResourceList)
- return STATUS_INSUFFICIENT_RESOURCES;
-
- DeviceNode->ResourceListTranslated = ExAllocatePool(PagedPool,
+ {
+ Status = STATUS_INSUFFICIENT_RESOURCES;
+ goto ByeBye;
+ }
+
+ DeviceNode->ResourceListTranslated = ExAllocatePool(PagedPool,
sizeof(CM_RESOURCE_LIST) + ResourceList->Count * sizeof(CM_PARTIAL_RESOURCE_DESCRIPTOR));
if (!DeviceNode->ResourceListTranslated)
{
- ExFreePool(DeviceNode->ResourceList);
- return STATUS_INSUFFICIENT_RESOURCES;
+ Status = STATUS_INSUFFICIENT_RESOURCES;
+ goto ByeBye;
}
-
+
DeviceNode->ResourceList->Count = 1;
DeviceNode->ResourceList->List[0].InterfaceType = DeviceNode->ResourceRequirements->InterfaceType;
DeviceNode->ResourceList->List[0].BusNumber = DeviceNode->ResourceRequirements->BusNumber;
DeviceNode->ResourceList->List[0].PartialResourceList.Version = 1;
DeviceNode->ResourceList->List[0].PartialResourceList.Revision = 1;
-
+
DeviceNode->ResourceListTranslated->Count = 1;
DeviceNode->ResourceListTranslated->List[0].InterfaceType = DeviceNode->ResourceRequirements->InterfaceType;
DeviceNode->ResourceListTranslated->List[0].BusNumber = DeviceNode->ResourceRequirements->BusNumber;
DeviceNode->ResourceListTranslated->List[0].PartialResourceList.Version = 1;
DeviceNode->ResourceListTranslated->List[0].PartialResourceList.Revision = 1;
-
+
for (i = 0; i < ResourceList->Count; i++)
{
ResourceDescriptor = &ResourceList->Descriptors[i];
-
+
if (ResourceDescriptor->Option == 0 || ResourceDescriptor->Option == IO_RESOURCE_PREFERRED)
{
DescriptorRaw = &DeviceNode->ResourceList->List[0].PartialResourceList.PartialDescriptors[NumberOfResources];
DescriptorTranslated = &DeviceNode->ResourceListTranslated->List[0].PartialResourceList.PartialDescriptors[NumberOfResources];
NumberOfResources++;
-
+
/* Copy ResourceDescriptor to DescriptorRaw and DescriptorTranslated */
DescriptorRaw->Type = DescriptorTranslated->Type = ResourceDescriptor->Type;
DescriptorRaw->ShareDisposition = DescriptorTranslated->ShareDisposition = ResourceDescriptor->ShareDisposition;
{
case CmResourceTypePort:
{
+ ULONG AddressSpace = 0; /* IO space */
DescriptorRaw->u.Port.Start = ResourceDescriptor->u.Port.MinimumAddress;
DescriptorRaw->u.Port.Length = DescriptorTranslated->u.Port.Length
= ResourceDescriptor->u.Port.Length;
- /*FIXME: DescriptorTranslated->u.Port.Start? */
+ if (!HalTranslateBusAddress(
+ DeviceNode->ResourceRequirements->InterfaceType,
+ DeviceNode->ResourceRequirements->BusNumber,
+ DescriptorRaw->u.Port.Start,
+ &AddressSpace,
+ &DescriptorTranslated->u.Port.Start))
+ {
+ Status = STATUS_UNSUCCESSFUL;
+ goto ByeBye;
+ }
break;
}
case CmResourceTypeInterrupt:
{
- DescriptorRaw->u.Interrupt.Vector = 0;
- /* FIXME: if IRQ 9 is in the possible range, use it.
- * This should be a PCI device */
- if (ResourceDescriptor->u.Interrupt.MinimumVector <= 9
- && ResourceDescriptor->u.Interrupt.MaximumVector >= 9)
- DescriptorRaw->u.Interrupt.Level = 9;
- else
- DescriptorRaw->u.Interrupt.Level = ResourceDescriptor->u.Interrupt.MinimumVector;
-
+ INTERFACE_TYPE BusType;
+ ULONG SlotNumber;
+ ULONG ret;
+ UCHAR Irq;
+
+ DescriptorRaw->u.Interrupt.Level = 0;
+ DescriptorRaw->u.Interrupt.Vector = ResourceDescriptor->u.Interrupt.MinimumVector;
+ /* FIXME: HACK: if we have a PCI device, we try
+ * to keep the IRQ assigned by the BIOS */
+ if (NT_SUCCESS(IoGetDeviceProperty(
+ DeviceNode->PhysicalDeviceObject,
+ DevicePropertyLegacyBusType,
+ sizeof(INTERFACE_TYPE),
+ &BusType,
+ &ret)) && BusType == PCIBus)
+ {
+ /* We have a PCI bus */
+ if (NT_SUCCESS(IoGetDeviceProperty(
+ DeviceNode->PhysicalDeviceObject,
+ DevicePropertyAddress,
+ sizeof(ULONG),
+ &SlotNumber,
+ &ret)) && SlotNumber > 0)
+ {
+ /* We have a good slot number */
+ ret = HalGetBusDataByOffset(PCIConfiguration,
+ DeviceNode->ResourceRequirements->BusNumber,
+ SlotNumber,
+ &Irq,
+ 0x3c /* PCI_INTERRUPT_LINE */,
+ sizeof(UCHAR));
+ if (ret != 0 && ret != 2
+ && ResourceDescriptor->u.Interrupt.MinimumVector <= Irq
+ && ResourceDescriptor->u.Interrupt.MaximumVector >= Irq)
+ {
+ /* The device already has an assigned IRQ */
+ DescriptorRaw->u.Interrupt.Vector = Irq;
+ }
+ else
+ {
+ DPRINT1("Trying to assign IRQ 0x%lx to %wZ\n",
+ DescriptorRaw->u.Interrupt.Vector,
+ &DeviceNode->InstancePath);
+ Irq = (UCHAR)DescriptorRaw->u.Interrupt.Vector;
+ ret = HalSetBusDataByOffset(PCIConfiguration,
+ DeviceNode->ResourceRequirements->BusNumber,
+ SlotNumber,
+ &Irq,
+ 0x3c /* PCI_INTERRUPT_LINE */,
+ sizeof(UCHAR));
+ if (ret == 0 || ret == 2)
+ KEBUGCHECK(0);
+ }
+ }
+ }
+
+ DescriptorTranslated->u.Interrupt.Level = 0;
DescriptorTranslated->u.Interrupt.Vector = HalGetInterruptVector(
DeviceNode->ResourceRequirements->InterfaceType,
DeviceNode->ResourceRequirements->BusNumber,
}
case CmResourceTypeMemory:
{
+ ULONG AddressSpace = 1; /* Memory space */
DescriptorRaw->u.Memory.Start = ResourceDescriptor->u.Memory.MinimumAddress;
DescriptorRaw->u.Memory.Length = DescriptorTranslated->u.Memory.Length
- = ResourceDescriptor->u.Port.Length;
- /*FIXME: DescriptorTranslated->u.Memory.Start? */
+ = ResourceDescriptor->u.Memory.Length;
+ if (!HalTranslateBusAddress(
+ DeviceNode->ResourceRequirements->InterfaceType,
+ DeviceNode->ResourceRequirements->BusNumber,
+ DescriptorRaw->u.Memory.Start,
+ &AddressSpace,
+ &DescriptorTranslated->u.Memory.Start))
+ {
+ Status = STATUS_UNSUCCESSFUL;
+ goto ByeBye;
+ }
break;
}
case CmResourceTypeDma:
{
- DPRINT1("IopAssignDeviceResources(): CmResourceTypeDma case not implemented\n");
DescriptorRaw->u.Dma.Channel = DescriptorTranslated->u.Dma.Channel
= ResourceDescriptor->u.Dma.MinimumChannel;
DescriptorRaw->u.Dma.Port = DescriptorTranslated->u.Dma.Port
= 0;
break;
}
- /*case CmResourceTypeBusNumber:
+ case CmResourceTypeBusNumber:
{
DescriptorRaw->u.BusNumber.Start = DescriptorTranslated->u.BusNumber.Start
= ResourceDescriptor->u.BusNumber.MinBusNumber;
DescriptorRaw->u.BusNumber.Reserved = DescriptorTranslated->u.BusNumber.Reserved
= ResourceDescriptor->u.BusNumber.Reserved;
break;
- }*/
+ }
/*CmResourceTypeDevicePrivate:
case CmResourceTypePcCardConfig:
case CmResourceTypeMfCardConfig:
NumberOfResources--;
}
}
-
+
}
-
+
DeviceNode->ResourceList->List[0].PartialResourceList.Count = NumberOfResources;
DeviceNode->ResourceListTranslated->List[0].PartialResourceList.Count = NumberOfResources;
-
+
return STATUS_SUCCESS;
+
+ByeBye:
+ if (DeviceNode->ResourceList)
+ {
+ ExFreePool(DeviceNode->ResourceList);
+ DeviceNode->ResourceList = NULL;
+ }
+ if (DeviceNode->ResourceListTranslated)
+ {
+ ExFreePool(DeviceNode->ResourceListTranslated);
+ DeviceNode->ResourceListTranslated = NULL;
+ }
+
+ return Status;
+}
+
+
+/*
+ * IopGetParentIdPrefix
+ *
+ * Retrieve (or create) a string which identifies a device.
+ *
+ * Parameters
+ * DeviceNode
+ * Pointer to device node.
+ * ParentIdPrefix
+ * Pointer to the string where is returned the parent node identifier
+ *
+ * Remarks
+ * If the return code is STATUS_SUCCESS, the ParentIdPrefix string is
+ * valid and its Buffer field is NULL-terminated. The caller needs to
+ * to free the string with RtlFreeUnicodeString when it is no longer
+ * needed.
+ */
+
+NTSTATUS
+IopGetParentIdPrefix(PDEVICE_NODE DeviceNode,
+ PUNICODE_STRING ParentIdPrefix)
+{
+ ULONG KeyNameBufferLength;
+ PWSTR KeyNameBuffer = NULL;
+ PKEY_VALUE_PARTIAL_INFORMATION ParentIdPrefixInformation = NULL;
+ UNICODE_STRING KeyName;
+ UNICODE_STRING KeyValue;
+ UNICODE_STRING ValueName;
+ OBJECT_ATTRIBUTES ObjectAttributes;
+ HANDLE hKey = INVALID_HANDLE_VALUE;
+ PBYTE currentByte;
+ ULONG crc32 = 0;
+ ULONG i;
+ NTSTATUS Status;
+
+ /* HACK: As long as some devices have a NULL device
+ * instance path, the following test is required :(
+ */
+ if (DeviceNode->Parent->InstancePath.Length == 0)
+ return STATUS_UNSUCCESSFUL;
+
+ /* 1. Try to retrieve ParentIdPrefix from registry */
+ KeyNameBufferLength = FIELD_OFFSET(KEY_VALUE_PARTIAL_INFORMATION, Data[0]) + MAX_PATH * sizeof(WCHAR);
+ ParentIdPrefixInformation = ExAllocatePool(PagedPool, KeyNameBufferLength + sizeof(WCHAR));
+ if (!ParentIdPrefixInformation)
+ {
+ Status = STATUS_INSUFFICIENT_RESOURCES;
+ goto cleanup;
+ }
+ KeyNameBuffer = ExAllocatePool(PagedPool, (49 * sizeof(WCHAR)) + DeviceNode->Parent->InstancePath.Length);
+ if (!KeyNameBuffer)
+ {
+ Status = STATUS_INSUFFICIENT_RESOURCES;
+ goto cleanup;
+ }
+ wcscpy(KeyNameBuffer, L"\\Registry\\Machine\\System\\CurrentControlSet\\Enum\\");
+ wcscat(KeyNameBuffer, DeviceNode->Parent->InstancePath.Buffer);
+ RtlInitUnicodeString(&KeyName, KeyNameBuffer);
+ InitializeObjectAttributes(&ObjectAttributes, &KeyName, OBJ_CASE_INSENSITIVE | OBJ_KERNEL_HANDLE, NULL, NULL);
+ Status = ZwOpenKey(&hKey, KEY_QUERY_VALUE | KEY_SET_VALUE, &ObjectAttributes);
+ if (!NT_SUCCESS(Status))
+ goto cleanup;
+ RtlInitUnicodeString(&ValueName, L"ParentIdPrefix");
+ Status = ZwQueryValueKey(
+ hKey, &ValueName,
+ KeyValuePartialInformation, ParentIdPrefixInformation,
+ KeyNameBufferLength, &KeyNameBufferLength);
+ if (NT_SUCCESS(Status))
+ {
+ if (ParentIdPrefixInformation->Type != REG_SZ)
+ Status = STATUS_UNSUCCESSFUL;
+ else
+ {
+ KeyValue.Length = KeyValue.MaximumLength = ParentIdPrefixInformation->DataLength;
+ KeyValue.Buffer = (PWSTR)ParentIdPrefixInformation->Data;
+ }
+ goto cleanup;
+ }
+ if (Status != STATUS_OBJECT_NAME_NOT_FOUND)
+ {
+ KeyValue.Length = KeyValue.MaximumLength = ParentIdPrefixInformation->DataLength;
+ KeyValue.Buffer = (PWSTR)ParentIdPrefixInformation->Data;
+ goto cleanup;
+ }
+
+ /* 2. Create the ParentIdPrefix value */
+ currentByte = (PBYTE)DeviceNode->Parent->InstancePath.Buffer;
+ for (i = 0; i < DeviceNode->Parent->InstancePath.Length; i++, currentByte++)
+ crc32 = (crc32 >> 8) ^ crc32Table[*currentByte ^ (crc32 & 0xff)];
+ crc32 = ~crc32;
+ swprintf((PWSTR)ParentIdPrefixInformation->Data, L"%lx&%lx", DeviceNode->Parent->Level, crc32);
+ RtlInitUnicodeString(&KeyValue, (PWSTR)ParentIdPrefixInformation->Data);
+
+ /* 3. Try to write the ParentIdPrefix to registry */
+ Status = ZwSetValueKey(hKey,
+ &ValueName,
+ 0,
+ REG_SZ,
+ (PVOID)KeyValue.Buffer,
+ (wcslen(KeyValue.Buffer) + 1) * sizeof(WCHAR));
+
+cleanup:
+ if (NT_SUCCESS(Status))
+ {
+ /* Duplicate the string to return it */
+ Status = RtlDuplicateUnicodeString(RTL_DUPLICATE_UNICODE_STRING_NULL_TERMINATE, &KeyValue, ParentIdPrefix);
+ }
+ ExFreePool(ParentIdPrefixInformation);
+ ExFreePool(KeyNameBuffer);
+ if (hKey != INVALID_HANDLE_VALUE)
+ ZwClose(hKey);
+ return Status;
}
*/
NTSTATUS
-IopActionInterrogateDeviceStack(
- PDEVICE_NODE DeviceNode,
- PVOID Context)
+IopActionInterrogateDeviceStack(PDEVICE_NODE DeviceNode,
+ PVOID Context)
{
IO_STATUS_BLOCK IoStatusBlock;
PDEVICE_NODE ParentDeviceNode;
PWSTR Ptr;
USHORT Length;
USHORT TotalLength;
+ ULONG RequiredLength;
+ LCID LocaleId;
HANDLE InstanceKey = NULL;
UNICODE_STRING ValueName;
+ UNICODE_STRING ParentIdPrefix = { 0 };
DEVICE_CAPABILITIES DeviceCapabilities;
DPRINT("IopActionInterrogateDeviceStack(%p, %p)\n", DeviceNode, Context);
- DPRINT("PDO %x\n", DeviceNode->PhysicalDeviceObject);
+ DPRINT("PDO 0x%p\n", DeviceNode->PhysicalDeviceObject);
ParentDeviceNode = (PDEVICE_NODE)Context;
return STATUS_UNSUCCESSFUL;
}
+ /* Get Locale ID */
+ Status = ZwQueryDefaultLocale(FALSE, &LocaleId);
+ if (!NT_SUCCESS(Status))
+ {
+ DPRINT("ZwQueryDefaultLocale() failed with status 0x%lx\n", Status);
+ return Status;
+ }
+
/*
* FIXME: For critical errors, cleanup and disable device, but always
* return STATUS_SUCCESS.
DPRINT("Sending IRP_MN_QUERY_ID.BusQueryDeviceID to device stack\n");
Stack.Parameters.QueryId.IdType = BusQueryDeviceID;
- Status = IopInitiatePnpIrp(
- DeviceNode->PhysicalDeviceObject,
- &IoStatusBlock,
- IRP_MN_QUERY_ID,
- &Stack);
+ Status = IopInitiatePnpIrp(DeviceNode->PhysicalDeviceObject,
+ &IoStatusBlock,
+ IRP_MN_QUERY_ID,
+ &Stack);
if (NT_SUCCESS(Status))
{
/* Copy the device id string */
DPRINT("IopInitiatePnpIrp() failed (Status %x)\n", Status);
}
+ DPRINT("Sending IRP_MN_QUERY_CAPABILITIES to device stack\n");
+
+ Status = IopQueryDeviceCapabilities(DeviceNode, &DeviceCapabilities);
+ if (!NT_SUCCESS(Status))
+ {
+ DPRINT("IopInitiatePnpIrp() failed (Status 0x%08lx)\n", Status);
+ }
+
+ DeviceNode->CapabilityFlags = *(PULONG)((ULONG_PTR)&DeviceCapabilities + 4);
+
+ if (!DeviceCapabilities.UniqueID)
+ {
+ /* Device has not a unique ID. We need to prepend parent bus unique identifier */
+ DPRINT("Instance ID is not unique\n");
+ Status = IopGetParentIdPrefix(DeviceNode, &ParentIdPrefix);
+ if (!NT_SUCCESS(Status))
+ {
+ DPRINT("IopGetParentIdPrefix() failed (Status 0x%08lx)\n", Status);
+ }
+ }
+
DPRINT("Sending IRP_MN_QUERY_ID.BusQueryInstanceID to device stack\n");
Stack.Parameters.QueryId.IdType = BusQueryInstanceID;
- Status = IopInitiatePnpIrp(
- DeviceNode->PhysicalDeviceObject,
- &IoStatusBlock,
- IRP_MN_QUERY_ID,
- &Stack);
+ Status = IopInitiatePnpIrp(DeviceNode->PhysicalDeviceObject,
+ &IoStatusBlock,
+ IRP_MN_QUERY_ID,
+ &Stack);
if (NT_SUCCESS(Status))
{
/* Append the instance id string */
wcscat(InstancePath, L"\\");
+ if (ParentIdPrefix.Length > 0)
+ {
+ /* Add information from parent bus device to InstancePath */
+ wcscat(InstancePath, ParentIdPrefix.Buffer);
+ if (*(PWSTR)IoStatusBlock.Information)
+ wcscat(InstancePath, L"&");
+ }
wcscat(InstancePath, (PWSTR)IoStatusBlock.Information);
/*
{
DPRINT("IopInitiatePnpIrp() failed (Status %x)\n", Status);
}
+ RtlFreeUnicodeString(&ParentIdPrefix);
- RtlZeroMemory(&DeviceCapabilities, sizeof(DEVICE_CAPABILITIES));
- DeviceCapabilities.Size = sizeof(DEVICE_CAPABILITIES);
- DeviceCapabilities.Version = 1;
- DeviceCapabilities.Address = -1;
- DeviceCapabilities.UINumber = -1;
-
- Stack.Parameters.DeviceCapabilities.Capabilities = &DeviceCapabilities;
- Status = IopInitiatePnpIrp(
- DeviceNode->PhysicalDeviceObject,
- &IoStatusBlock,
- IRP_MN_QUERY_CAPABILITIES,
- &Stack);
- if (NT_SUCCESS(Status))
- {
- }
- else
- {
- DPRINT("IopInitiatePnpIrp() failed (Status %x)\n", Status);
- }
-
- DeviceNode->CapabilityFlags = *(PULONG)((ULONG_PTR)&DeviceCapabilities + 4);
- DeviceNode->Address = DeviceCapabilities.Address;
-
- if (!DeviceCapabilities.UniqueID)
- {
- DPRINT("Instance ID is not unique\n");
- /* FIXME: Add information from parent bus driver to InstancePath */
- }
-
- if (!IopCreateUnicodeString(&DeviceNode->InstancePath, InstancePath, PagedPool))
+ if (!RtlCreateUnicodeString(&DeviceNode->InstancePath, InstancePath))
{
DPRINT("No resources\n");
/* FIXME: Cleanup and disable device */
(49 * sizeof(WCHAR)) + DeviceNode->InstancePath.Length);
wcscpy(KeyBuffer, L"\\Registry\\Machine\\System\\CurrentControlSet\\Enum\\");
wcscat(KeyBuffer, DeviceNode->InstancePath.Buffer);
- Status = IopCreateDeviceKeyPath(KeyBuffer,
- &InstanceKey);
+ Status = IopCreateDeviceKeyPath(KeyBuffer, &InstanceKey);
ExFreePool(KeyBuffer);
if (!NT_SUCCESS(Status))
{
{
/* Set 'Capabilities' value */
- RtlInitUnicodeString(&ValueName,
- L"Capabilities");
+ RtlInitUnicodeString(&ValueName, L"Capabilities");
Status = ZwSetValueKey(InstanceKey,
- &ValueName,
- 0,
- REG_DWORD,
- (PVOID)&DeviceNode->CapabilityFlags,
- sizeof(ULONG));
+ &ValueName,
+ 0,
+ REG_DWORD,
+ (PVOID)&DeviceNode->CapabilityFlags,
+ sizeof(ULONG));
/* Set 'UINumber' value */
if (DeviceCapabilities.UINumber != (ULONG)-1)
{
- RtlInitUnicodeString(&ValueName,
- L"UINumber");
+ RtlInitUnicodeString(&ValueName, L"UINumber");
Status = ZwSetValueKey(InstanceKey,
- &ValueName,
- 0,
- REG_DWORD,
- &DeviceCapabilities.UINumber,
- sizeof(ULONG));
+ &ValueName,
+ 0,
+ REG_DWORD,
+ &DeviceCapabilities.UINumber,
+ sizeof(ULONG));
}
}
DPRINT("Sending IRP_MN_QUERY_ID.BusQueryHardwareIDs to device stack\n");
Stack.Parameters.QueryId.IdType = BusQueryHardwareIDs;
- Status = IopInitiatePnpIrp(
- DeviceNode->PhysicalDeviceObject,
- &IoStatusBlock,
- IRP_MN_QUERY_ID,
- &Stack);
+ Status = IopInitiatePnpIrp(DeviceNode->PhysicalDeviceObject,
+ &IoStatusBlock,
+ IRP_MN_QUERY_ID,
+ &Stack);
if (NT_SUCCESS(Status))
{
/*
DPRINT("Hardware IDs:\n");
while (*Ptr)
{
- DPRINT(" %S\n", Ptr);
- Length = wcslen(Ptr) + 1;
+ DPRINT(" %S\n", Ptr);
+ Length = wcslen(Ptr) + 1;
- Ptr += Length;
- TotalLength += Length;
+ Ptr += Length;
+ TotalLength += Length;
}
DPRINT("TotalLength: %hu\n", TotalLength);
DPRINT("\n");
- RtlInitUnicodeString(&ValueName,
- L"HardwareID");
+ RtlInitUnicodeString(&ValueName, L"HardwareID");
Status = ZwSetValueKey(InstanceKey,
&ValueName,
0,
(PVOID)IoStatusBlock.Information,
(TotalLength + 1) * sizeof(WCHAR));
if (!NT_SUCCESS(Status))
- {
- DPRINT1("ZwSetValueKey() failed (Status %lx)\n", Status);
- }
+ {
+ DPRINT1("ZwSetValueKey() failed (Status %lx)\n", Status);
+ }
}
else
{
if (NT_SUCCESS(Status))
{
/*
- * FIXME: Check for valid characters, if there is invalid characters
- * then bugcheck.
- */
+ * FIXME: Check for valid characters, if there is invalid characters
+ * then bugcheck.
+ */
TotalLength = 0;
Ptr = (PWSTR)IoStatusBlock.Information;
DPRINT("Compatible IDs:\n");
while (*Ptr)
{
- DPRINT(" %S\n", Ptr);
- Length = wcslen(Ptr) + 1;
+ DPRINT(" %S\n", Ptr);
+ Length = wcslen(Ptr) + 1;
- Ptr += Length;
- TotalLength += Length;
+ Ptr += Length;
+ TotalLength += Length;
}
DPRINT("TotalLength: %hu\n", TotalLength);
DPRINT("\n");
- RtlInitUnicodeString(&ValueName,
- L"CompatibleIDs");
+ RtlInitUnicodeString(&ValueName, L"CompatibleIDs");
Status = ZwSetValueKey(InstanceKey,
- &ValueName,
- 0,
- REG_MULTI_SZ,
- (PVOID)IoStatusBlock.Information,
- (TotalLength + 1) * sizeof(WCHAR));
+ &ValueName,
+ 0,
+ REG_MULTI_SZ,
+ (PVOID)IoStatusBlock.Information,
+ (TotalLength + 1) * sizeof(WCHAR));
if (!NT_SUCCESS(Status))
- {
- DPRINT1("ZwSetValueKey() failed (Status %lx)\n", Status);
- }
+ {
+ DPRINT1("ZwSetValueKey() failed (Status %lx)\n", Status);
+ }
}
else
{
DPRINT("Sending IRP_MN_QUERY_DEVICE_TEXT.DeviceTextDescription to device stack\n");
Stack.Parameters.QueryDeviceText.DeviceTextType = DeviceTextDescription;
- Stack.Parameters.QueryDeviceText.LocaleId = 0; /* FIXME */
+ Stack.Parameters.QueryDeviceText.LocaleId = LocaleId;
Status = IopInitiatePnpIrp(
DeviceNode->PhysicalDeviceObject,
&IoStatusBlock,
&Stack);
if (NT_SUCCESS(Status))
{
- RtlInitUnicodeString(&ValueName,
- L"DeviceDesc");
- Status = ZwSetValueKey(InstanceKey,
- &ValueName,
- 0,
- REG_SZ,
- (PVOID)IoStatusBlock.Information,
- (wcslen((PWSTR)IoStatusBlock.Information) + 1) * sizeof(WCHAR));
+ RtlInitUnicodeString(&ValueName, L"DeviceDesc");
+ if (ZwQueryValueKey(InstanceKey, &ValueName, KeyValueBasicInformation, NULL, 0, &RequiredLength) == STATUS_OBJECT_NAME_NOT_FOUND)
+ {
+ /* This key is overriden when a driver is installed. Don't write the
+ * new description if another one already exists */
+ Status = ZwSetValueKey(InstanceKey,
+ &ValueName,
+ 0,
+ REG_SZ,
+ (PVOID)IoStatusBlock.Information,
+ (wcslen((PWSTR)IoStatusBlock.Information) + 1) * sizeof(WCHAR));
+ }
if (!NT_SUCCESS(Status))
- {
- DPRINT1("ZwSetValueKey() failed (Status %lx)\n", Status);
- }
+ {
+ DPRINT1("ZwSetValueKey() failed (Status 0x%lx)\n", Status);
+ }
}
else
{
DPRINT("Sending IRP_MN_QUERY_DEVICE_TEXT.DeviceTextLocation to device stack\n");
Stack.Parameters.QueryDeviceText.DeviceTextType = DeviceTextLocationInformation;
- Stack.Parameters.QueryDeviceText.LocaleId = 0; // FIXME
+ Stack.Parameters.QueryDeviceText.LocaleId = LocaleId;
Status = IopInitiatePnpIrp(
DeviceNode->PhysicalDeviceObject,
&IoStatusBlock,
if (NT_SUCCESS(Status))
{
DPRINT("LocationInformation: %S\n", (PWSTR)IoStatusBlock.Information);
- RtlInitUnicodeString(&ValueName,
- L"LocationInformation");
+ RtlInitUnicodeString(&ValueName, L"LocationInformation");
Status = ZwSetValueKey(InstanceKey,
- &ValueName,
- 0,
- REG_SZ,
- (PVOID)IoStatusBlock.Information,
- (wcslen((PWSTR)IoStatusBlock.Information) + 1) * sizeof(WCHAR));
+ &ValueName,
+ 0,
+ REG_SZ,
+ (PVOID)IoStatusBlock.Information,
+ (wcslen((PWSTR)IoStatusBlock.Information) + 1) * sizeof(WCHAR));
if (!NT_SUCCESS(Status))
- {
- DPRINT1("ZwSetValueKey() failed (Status %lx)\n", Status);
- }
+ {
+ DPRINT1("ZwSetValueKey() failed (Status %lx)\n", Status);
+ }
}
else
{
DeviceNode->ChildBusNumber = BusInformation->BusNumber;
DeviceNode->ChildInterfaceType = BusInformation->LegacyBusType;
- memcpy(&DeviceNode->BusTypeGuid,
- &BusInformation->BusTypeGuid,
- sizeof(GUID));
+ DeviceNode->ChildBusTypeIndex = IopGetBusTypeGuidIndex(&BusInformation->BusTypeGuid);
ExFreePool(BusInformation);
}
else
{
DPRINT("IopInitiatePnpIrp() failed (Status %x)\n", Status);
- DeviceNode->ChildBusNumber = -1;
- DeviceNode->ChildInterfaceType = -1;
- memset(&DeviceNode->BusTypeGuid,
- 0,
- sizeof(GUID));
+ DeviceNode->ChildBusNumber = 0xFFFFFFF0;
+ DeviceNode->ChildInterfaceType = InterfaceTypeUndefined;
+ DeviceNode->ChildBusTypeIndex = -1;
}
DPRINT("Sending IRP_MN_QUERY_RESOURCES to device stack\n");
*/
NTSTATUS
-IopActionConfigureChildServices(
- PDEVICE_NODE DeviceNode,
- PVOID Context)
+IopActionConfigureChildServices(PDEVICE_NODE DeviceNode,
+ PVOID Context)
{
- RTL_QUERY_REGISTRY_TABLE QueryTable[2];
+ RTL_QUERY_REGISTRY_TABLE QueryTable[3];
PDEVICE_NODE ParentDeviceNode;
PUNICODE_STRING Service;
+ UNICODE_STRING ClassGUID;
+ UNICODE_STRING NullString = RTL_CONSTANT_STRING(L"");
NTSTATUS Status;
DPRINT("IopActionConfigureChildServices(%p, %p)\n", DeviceNode, Context);
RtlZeroMemory(QueryTable, sizeof(QueryTable));
RtlInitUnicodeString(Service, NULL);
+ RtlInitUnicodeString(&ClassGUID, NULL);
QueryTable[0].Name = L"Service";
QueryTable[0].Flags = RTL_QUERY_REGISTRY_DIRECT;
QueryTable[0].EntryContext = Service;
+ QueryTable[1].Name = L"ClassGUID";
+ QueryTable[1].Flags = RTL_QUERY_REGISTRY_DIRECT;
+ QueryTable[1].EntryContext = &ClassGUID;
+ QueryTable[1].DefaultType = REG_SZ;
+ QueryTable[1].DefaultData = &NullString;
+ QueryTable[1].DefaultLength = 0;
+
RtlAppendUnicodeToString(&RegKey, L"\\Registry\\Machine\\System\\CurrentControlSet\\Enum\\");
RtlAppendUnicodeStringToString(&RegKey, &DeviceNode->InstancePath);
if (Service->Buffer == NULL)
{
IopDeviceNodeSetFlag(DeviceNode, DNF_DISABLED);
+
+ if (ClassGUID.Length != 0)
+ {
+ /* Device has a ClassGUID value, but no Service value.
+ * Suppose it is using the NULL driver, so state the
+ * device is started */
+ DPRINT("%wZ is using NULL driver\n", &DeviceNode->InstancePath);
+ IopDeviceNodeSetFlag(DeviceNode, DNF_STARTED);
+ }
return STATUS_SUCCESS;
}
*/
NTSTATUS
-IopActionInitChildServices(
- PDEVICE_NODE DeviceNode,
- PVOID Context,
- BOOLEAN BootDrivers)
+IopActionInitChildServices(PDEVICE_NODE DeviceNode,
+ PVOID Context,
+ BOOLEAN BootDrivers)
{
PDEVICE_NODE ParentDeviceNode;
NTSTATUS Status;
!IopDeviceNodeHasFlag(DeviceNode, DNF_ADDED) &&
!IopDeviceNodeHasFlag(DeviceNode, DNF_STARTED))
{
- PMODULE_OBJECT ModuleObject;
+ PLDR_DATA_TABLE_ENTRY ModuleObject;
PDRIVER_OBJECT DriverObject;
Status = IopLoadServiceModule(&DeviceNode->ServiceName, &ModuleObject);
*/
NTSTATUS
-IopActionInitAllServices(
- PDEVICE_NODE DeviceNode,
- PVOID Context)
+IopActionInitAllServices(PDEVICE_NODE DeviceNode,
+ PVOID Context)
{
return IopActionInitChildServices(DeviceNode, Context, FALSE);
}
* BootDrivers = TRUE.
*/
NTSTATUS
-IopActionInitBootServices(
- PDEVICE_NODE DeviceNode,
- PVOID Context)
+IopActionInitBootServices(PDEVICE_NODE DeviceNode,
+ PVOID Context)
{
return IopActionInitChildServices(DeviceNode, Context, TRUE);
}
* Status
*/
NTSTATUS
-IopInitializePnpServices(
- IN PDEVICE_NODE DeviceNode,
- IN BOOLEAN BootDrivers)
+IopInitializePnpServices(IN PDEVICE_NODE DeviceNode,
+ IN BOOLEAN BootDrivers)
{
DEVICETREE_TRAVERSE_CONTEXT Context;
DeviceNode,
IopActionInitBootServices,
DeviceNode);
- } else
+ }
+ else
{
IopInitDeviceTreeTraverseContext(
&Context,
NTSTATUS
-IopInvalidateDeviceRelations(
- IN PDEVICE_NODE DeviceNode,
- IN DEVICE_RELATION_TYPE Type)
+IopInvalidateDeviceRelations(IN PDEVICE_NODE DeviceNode,
+ IN DEVICE_RELATION_TYPE Type)
{
DEVICETREE_TRAVERSE_CONTEXT Context;
PDEVICE_RELATIONS DeviceRelations;
NTSTATUS Status;
ULONG i;
- DPRINT("DeviceNode %x\n", DeviceNode);
+ DPRINT("DeviceNode 0x%p\n", DeviceNode);
DPRINT("Sending IRP_MN_QUERY_DEVICE_RELATIONS to device stack\n");
}
+static
+NTSTATUS
+INIT_FUNCTION
+IopSetRootDeviceInstanceData(PDEVICE_NODE DeviceNode)
+{
+#if 0
+ PWSTR KeyBuffer;
+ HANDLE InstanceKey = NULL;
+ NTSTATUS Status;
+
+ /* Create registry key for the instance id, if it doesn't exist yet */
+ KeyBuffer = ExAllocatePool(PagedPool,
+ (49 * sizeof(WCHAR)) + DeviceNode->InstancePath.Length);
+ wcscpy(KeyBuffer, L"\\Registry\\Machine\\System\\CurrentControlSet\\Enum\\");
+ wcscat(KeyBuffer, DeviceNode->InstancePath.Buffer);
+ Status = IopCreateDeviceKeyPath(KeyBuffer,
+ &InstanceKey);
+ ExFreePool(KeyBuffer);
+ if (!NT_SUCCESS(Status))
+ {
+ DPRINT1("Failed to create the instance key! (Status %lx)\n", Status);
+ return Status;
+ }
+
+ /* FIXME: Set 'ConfigFlags' value */
+
+ ZwClose(InstanceKey);
+
+ return Status;
+#endif
+ return STATUS_SUCCESS;
+}
+
+
VOID INIT_FUNCTION
PnpInit(VOID)
{
KeInitializeSpinLock(&IopDeviceTreeLock);
+ /* Initialize the Bus Type GUID List */
+ IopBusTypeGuidList = ExAllocatePool(PagedPool, sizeof(IO_BUS_TYPE_GUID_LIST));
+ RtlZeroMemory(IopBusTypeGuidList, sizeof(IO_BUS_TYPE_GUID_LIST));
+ ExInitializeFastMutex(&IopBusTypeGuidList->Lock);
+
/* Initialize PnP-Event notification support */
Status = IopInitPlugPlayEvents();
if (!NT_SUCCESS(Status))
KEBUGCHECKEX(PHASE1_INITIALIZATION_FAILED, Status, 0, 0, 0);
}
- if (!IopCreateUnicodeString(&IopRootDeviceNode->InstancePath,
- L"HTREE\\Root\\0",
- PagedPool))
+ if (!RtlCreateUnicodeString(&IopRootDeviceNode->InstancePath,
+ L"HTREE\\ROOT\\0"))
{
CPRINT("Failed to create the instance path!\n");
KEBUGCHECKEX(PHASE1_INITIALIZATION_FAILED, STATUS_UNSUCCESSFUL, 0, 0, 0);
IopRootDeviceNode->PhysicalDeviceObject);
}
+
+VOID INIT_FUNCTION
+PnpInit2(VOID)
+{
+ NTSTATUS Status;
+
+ /* Set root device instance data */
+ Status = IopSetRootDeviceInstanceData(IopRootDeviceNode);
+ if (!NT_SUCCESS(Status))
+ {
+ CPRINT("Failed to set instance data\n");
+ KEBUGCHECKEX(PHASE1_INITIALIZATION_FAILED, Status, 0, 0, 0);
+ }
+}
+
/* EOF */