#include <ntoskrnl.h>
#define NDEBUG
-#include <internal/debug.h>
+#include <debug.h>
//#define ENABLE_ACPI
/* DATA **********************************************************************/
PDRIVER_OBJECT IopRootDriverObject;
+FAST_MUTEX IopBusTypeGuidListLock;
PIO_BUS_TYPE_GUID_LIST IopBusTypeGuidList = NULL;
#if defined (ALLOC_PRAGMA)
/* FUNCTIONS *****************************************************************/
-static NTSTATUS
+NTSTATUS
IopAssignDeviceResources(
IN PDEVICE_NODE DeviceNode,
OUT ULONG *pRequiredSize);
-static NTSTATUS
+
+NTSTATUS
IopTranslateDeviceResources(
IN PDEVICE_NODE DeviceNode,
IN ULONG RequiredSize);
+NTSTATUS
+IopUpdateResourceMapForPnPDevice(
+ IN PDEVICE_NODE DeviceNode);
+
+NTSTATUS
+NTAPI
+IopCreateDeviceKeyPath(IN PCUNICODE_STRING RegistryPath,
+ OUT PHANDLE Handle);
+
PDEVICE_NODE
FASTCALL
IopGetDeviceNode(PDEVICE_OBJECT DeviceObject)
{
/* FIXME: What do we do? Unload the driver or just disable the device? */
DPRINT1("An FDO was not attached\n");
+ ObDereferenceObject(Fdo);
IopDeviceNodeSetFlag(DeviceNode, DNF_DISABLED);
return STATUS_UNSUCCESSFUL;
}
IO_STACK_LOCATION Stack;
ULONG RequiredLength;
NTSTATUS Status;
+ HANDLE InstanceHandle, ControlHandle;
+ UNICODE_STRING KeyName;
+ OBJECT_ATTRIBUTES ObjectAttributes;
IopDeviceNodeSetFlag(DeviceNode, DNF_ASSIGNING_RESOURCES);
DPRINT("Sending IRP_MN_FILTER_RESOURCE_REQUIREMENTS to device stack\n");
DPRINT("IopInitiatePnpIrp(IRP_MN_FILTER_RESOURCE_REQUIREMENTS) failed\n");
return Status;
}
- DeviceNode->ResourceRequirements = Stack.Parameters.FilterResourceRequirements.IoResourceRequirementList;
+ else if (NT_SUCCESS(Status))
+ {
+ DeviceNode->ResourceRequirements = (PIO_RESOURCE_REQUIREMENTS_LIST)IoStatusBlock.Information;
+ }
Status = IopAssignDeviceResources(DeviceNode, &RequiredLength);
if (NT_SUCCESS(Status))
Status = IopTranslateDeviceResources(DeviceNode, RequiredLength);
if (NT_SUCCESS(Status))
{
- IopDeviceNodeSetFlag(DeviceNode, DNF_RESOURCE_ASSIGNED);
+ Status = IopUpdateResourceMapForPnPDevice(DeviceNode);
+ if (!NT_SUCCESS(Status))
+ {
+ DPRINT("IopUpdateResourceMap() failed (Status 0x%08lx)\n", Status);
+ }
}
else
{
}
}
+ Status = IopCreateDeviceKeyPath(&DeviceNode->InstancePath, &InstanceHandle);
+ if (!NT_SUCCESS(Status))
+ return Status;
+
+ RtlInitUnicodeString(&KeyName, L"Control");
+ InitializeObjectAttributes(&ObjectAttributes,
+ &KeyName,
+ OBJ_CASE_INSENSITIVE,
+ InstanceHandle,
+ NULL);
+ Status = ZwCreateKey(&ControlHandle, KEY_SET_VALUE, &ObjectAttributes, 0, NULL, REG_OPTION_VOLATILE, NULL);
+ if (!NT_SUCCESS(Status))
+ {
+ ZwClose(InstanceHandle);
+ return Status;
+ }
+
+ RtlInitUnicodeString(&KeyName, L"ActiveService");
+ Status = ZwSetValueKey(ControlHandle, &KeyName, 0, REG_SZ, DeviceNode->ServiceName.Buffer, DeviceNode->ServiceName.Length);
+
if (NT_SUCCESS(Status))
IopDeviceNodeSetFlag(DeviceNode, DNF_STARTED);
+ ZwClose(ControlHandle);
+ ZwClose(InstanceHandle);
+
return Status;
}
PVOID NewList;
/* Acquire the lock */
- ExAcquireFastMutex(&IopBusTypeGuidList->Lock);
+ ExAcquireFastMutex(&IopBusTypeGuidListLock);
/* Loop all entries */
while (i < IopBusTypeGuidList->GuidCount)
/* Allocate the new copy */
NewList = ExAllocatePool(PagedPool, NewSize);
+ if (!NewList) {
+ /* Fail */
+ ExFreePool(IopBusTypeGuidList);
+ goto Quickie;
+ }
+
/* Now copy them, decrease the size too */
NewSize -= sizeof(GUID);
RtlCopyMemory(NewList, IopBusTypeGuidList, NewSize);
IopBusTypeGuidList->GuidCount++;
Quickie:
- ExReleaseFastMutex(&IopBusTypeGuidList->Lock);
+ ExReleaseFastMutex(&IopBusTypeGuidListLock);
return FoundIndex;
}
PDEVICE_NODE Node;
NTSTATUS Status;
KIRQL OldIrql;
+ UNICODE_STRING FullServiceName;
+ UNICODE_STRING LegacyPrefix = RTL_CONSTANT_STRING(L"LEGACY_");
+ UNICODE_STRING UnknownDeviceName = RTL_CONSTANT_STRING(L"UNKNOWN");
+ HANDLE TempHandle;
DPRINT("ParentNode 0x%p PhysicalDeviceObject 0x%p ServiceName %wZ\n",
ParentNode, PhysicalDeviceObject, ServiceName);
RtlZeroMemory(Node, sizeof(DEVICE_NODE));
+ if (!ServiceName)
+ ServiceName = &UnknownDeviceName;
+
if (!PhysicalDeviceObject)
{
- Status = PnpRootCreateDevice(ServiceName, &PhysicalDeviceObject);
+ FullServiceName.MaximumLength = LegacyPrefix.Length + ServiceName->Length;
+ FullServiceName.Length = 0;
+ FullServiceName.Buffer = ExAllocatePool(PagedPool, FullServiceName.MaximumLength);
+ if (!FullServiceName.Buffer)
+ {
+ ExFreePool(Node);
+ return STATUS_INSUFFICIENT_RESOURCES;
+ }
+
+ RtlAppendUnicodeStringToString(&FullServiceName, &LegacyPrefix);
+ RtlAppendUnicodeStringToString(&FullServiceName, ServiceName);
+
+ Status = PnpRootCreateDevice(&FullServiceName, &PhysicalDeviceObject, &Node->InstancePath);
if (!NT_SUCCESS(Status))
{
DPRINT1("PnpRootCreateDevice() failed with status 0x%08X\n", Status);
return Status;
}
+ /* Create the device key for legacy drivers */
+ Status = IopCreateDeviceKeyPath(&Node->InstancePath, &TempHandle);
+ if (NT_SUCCESS(Status))
+ ZwClose(TempHandle);
+
+ ExFreePool(FullServiceName.Buffer);
+
/* This is for drivers passed on the command line to ntoskrnl.exe */
IopDeviceNodeSetFlag(Node, DNF_STARTED);
IopDeviceNodeSetFlag(Node, DNF_LEGACY_DRIVER);
Irp->IoStatus.Status = STATUS_NOT_SUPPORTED;
Irp->IoStatus.Information = 0;
+ if (MinorFunction == IRP_MN_FILTER_RESOURCE_REQUIREMENTS)
+ {
+ Irp->IoStatus.Information = (ULONG_PTR)Stack->Parameters.FilterResourceRequirements.IoResourceRequirementList;
+ }
+
IrpSp = IoGetNextIrpStackLocation(Irp);
IrpSp->MinorFunction = (UCHAR)MinorFunction;
return STATUS_UNSUCCESSFUL;
}
+NTSTATUS
+IopUpdateResourceMap(IN PDEVICE_NODE DeviceNode, PWCHAR Level1Key, PWCHAR Level2Key)
+{
+ NTSTATUS Status;
+ ULONG Disposition;
+ HANDLE PnpMgrLevel1, PnpMgrLevel2, ResourceMapKey;
+ UNICODE_STRING KeyName;
+ OBJECT_ATTRIBUTES ObjectAttributes;
+
+ RtlInitUnicodeString(&KeyName,
+ L"\\Registry\\Machine\\HARDWARE\\RESOURCEMAP");
+ InitializeObjectAttributes(&ObjectAttributes,
+ &KeyName,
+ OBJ_CASE_INSENSITIVE | OBJ_OPENIF,
+ 0,
+ NULL);
+ Status = ZwCreateKey(&ResourceMapKey,
+ KEY_ALL_ACCESS,
+ &ObjectAttributes,
+ 0,
+ NULL,
+ REG_OPTION_VOLATILE,
+ &Disposition);
+ if (!NT_SUCCESS(Status))
+ return Status;
+
+ RtlInitUnicodeString(&KeyName, Level1Key);
+ InitializeObjectAttributes(&ObjectAttributes,
+ &KeyName,
+ OBJ_CASE_INSENSITIVE | OBJ_OPENIF,
+ ResourceMapKey,
+ NULL);
+ Status = ZwCreateKey(&PnpMgrLevel1,
+ KEY_ALL_ACCESS,
+ &ObjectAttributes,
+ 0,
+ NULL,
+ REG_OPTION_VOLATILE,
+ &Disposition);
+ ZwClose(ResourceMapKey);
+ if (!NT_SUCCESS(Status))
+ return Status;
+
+ RtlInitUnicodeString(&KeyName, Level2Key);
+ InitializeObjectAttributes(&ObjectAttributes,
+ &KeyName,
+ OBJ_CASE_INSENSITIVE | OBJ_OPENIF,
+ PnpMgrLevel1,
+ NULL);
+ Status = ZwCreateKey(&PnpMgrLevel2,
+ KEY_ALL_ACCESS,
+ &ObjectAttributes,
+ 0,
+ NULL,
+ REG_OPTION_VOLATILE,
+ &Disposition);
+ ZwClose(PnpMgrLevel1);
+ if (!NT_SUCCESS(Status))
+ return Status;
+
+ if (DeviceNode->ResourceList)
+ {
+ WCHAR NameBuff[256];
+ UNICODE_STRING NameU;
+ UNICODE_STRING Suffix;
+ ULONG OldLength;
+
+ ASSERT(DeviceNode->ResourceListTranslated);
+
+ NameU.Buffer = NameBuff;
+ NameU.Length = 0;
+ NameU.MaximumLength = 256 * sizeof(WCHAR);
+
+ Status = IoGetDeviceProperty(DeviceNode->PhysicalDeviceObject,
+ DevicePropertyPhysicalDeviceObjectName,
+ NameU.MaximumLength,
+ NameU.Buffer,
+ &OldLength);
+ ASSERT(Status == STATUS_SUCCESS);
+
+ NameU.Length = (USHORT)OldLength;
+
+ RtlInitUnicodeString(&Suffix, L".Raw");
+ RtlAppendUnicodeStringToString(&NameU, &Suffix);
+
+ Status = ZwSetValueKey(PnpMgrLevel2,
+ &NameU,
+ 0,
+ REG_RESOURCE_LIST,
+ DeviceNode->ResourceList,
+ CM_RESOURCE_LIST_SIZE(DeviceNode->ResourceList));
+ if (!NT_SUCCESS(Status))
+ {
+ ZwClose(PnpMgrLevel2);
+ return Status;
+ }
+
+ /* "Remove" the suffix by setting the length back to what it used to be */
+ NameU.Length = (USHORT)OldLength;
+
+ RtlInitUnicodeString(&Suffix, L".Translated");
+ RtlAppendUnicodeStringToString(&NameU, &Suffix);
+
+ Status = ZwSetValueKey(PnpMgrLevel2,
+ &NameU,
+ 0,
+ REG_RESOURCE_LIST,
+ DeviceNode->ResourceListTranslated,
+ CM_RESOURCE_LIST_SIZE(DeviceNode->ResourceListTranslated));
+ ZwClose(PnpMgrLevel2);
+ if (!NT_SUCCESS(Status))
+ return Status;
+ }
+ else
+ {
+ ZwClose(PnpMgrLevel2);
+ }
+
+ IopDeviceNodeSetFlag(DeviceNode, DNF_RESOURCE_ASSIGNED);
+
+ return STATUS_SUCCESS;
+}
+
+NTSTATUS
+IopUpdateResourceMapForPnPDevice(IN PDEVICE_NODE DeviceNode)
+{
+ return IopUpdateResourceMap(DeviceNode, L"PnP Manager", L"PnpManager");
+}
-static
NTSTATUS
IopSetDeviceInstanceData(HANDLE InstanceKey,
PDEVICE_NODE DeviceNode)
ULONG ResCount;
ULONG ListSize, ResultLength;
NTSTATUS Status;
+ HANDLE ControlHandle;
DPRINT("IopSetDeviceInstanceData() called\n");
&KeyName,
0,
REG_RESOURCE_LIST,
- &DeviceNode->BootResources,
+ DeviceNode->BootResources,
ListSize);
}
}
sizeof(DefaultConfigFlags));
}
+ /* Create the 'Control' key */
+ RtlInitUnicodeString(&KeyName, L"Control");
+ InitializeObjectAttributes(&ObjectAttributes,
+ &KeyName,
+ OBJ_CASE_INSENSITIVE,
+ InstanceKey,
+ NULL);
+ Status = ZwCreateKey(&ControlHandle, 0, &ObjectAttributes, 0, NULL, REG_OPTION_VOLATILE, NULL);
+
+ if (NT_SUCCESS(Status))
+ ZwClose(ControlHandle);
+
DPRINT("IopSetDeviceInstanceData() done\n");
- return STATUS_SUCCESS;
+ return Status;
+}
+
+BOOLEAN
+IopCheckResourceDescriptor(
+ IN PCM_PARTIAL_RESOURCE_DESCRIPTOR ResDesc,
+ IN PCM_RESOURCE_LIST ResourceList,
+ IN BOOLEAN Silent,
+ OUT OPTIONAL PCM_PARTIAL_RESOURCE_DESCRIPTOR ConflictingDescriptor)
+{
+ ULONG i, ii;
+ BOOLEAN Result = FALSE;
+
+ if (ResDesc->ShareDisposition == CmResourceShareShared)
+ return FALSE;
+
+ for (i = 0; i < ResourceList->Count; i++)
+ {
+ PCM_PARTIAL_RESOURCE_LIST ResList = &ResourceList->List[i].PartialResourceList;
+ for (ii = 0; ii < ResList->Count; ii++)
+ {
+ PCM_PARTIAL_RESOURCE_DESCRIPTOR ResDesc2 = &ResList->PartialDescriptors[ii];
+
+ /* We don't care about shared resources */
+ if (ResDesc->ShareDisposition == CmResourceShareShared &&
+ ResDesc2->ShareDisposition == CmResourceShareShared)
+ continue;
+
+ /* Make sure we're comparing the same types */
+ if (ResDesc->Type != ResDesc2->Type)
+ continue;
+
+ switch (ResDesc->Type)
+ {
+ case CmResourceTypeMemory:
+ if ((ResDesc->u.Memory.Start.QuadPart < ResDesc2->u.Memory.Start.QuadPart &&
+ ResDesc->u.Memory.Start.QuadPart + ResDesc->u.Memory.Length >
+ ResDesc2->u.Memory.Start.QuadPart) || (ResDesc2->u.Memory.Start.QuadPart <
+ ResDesc->u.Memory.Start.QuadPart && ResDesc2->u.Memory.Start.QuadPart +
+ ResDesc2->u.Memory.Length > ResDesc->u.Memory.Start.QuadPart))
+ {
+ if (!Silent)
+ {
+ DPRINT1("Resource conflict: Memory (0x%x to 0x%x vs. 0x%x to 0x%x)\n",
+ ResDesc->u.Memory.Start.QuadPart, ResDesc->u.Memory.Start.QuadPart +
+ ResDesc->u.Memory.Length, ResDesc2->u.Memory.Start.QuadPart,
+ ResDesc2->u.Memory.Start.QuadPart + ResDesc2->u.Memory.Length);
+ }
+
+ Result = TRUE;
+
+ goto ByeBye;
+ }
+ break;
+
+ case CmResourceTypePort:
+ if ((ResDesc->u.Port.Start.QuadPart < ResDesc2->u.Port.Start.QuadPart &&
+ ResDesc->u.Port.Start.QuadPart + ResDesc->u.Port.Length >
+ ResDesc2->u.Port.Start.QuadPart) || (ResDesc2->u.Port.Start.QuadPart <
+ ResDesc->u.Port.Start.QuadPart && ResDesc2->u.Port.Start.QuadPart +
+ ResDesc2->u.Port.Length > ResDesc->u.Port.Start.QuadPart))
+ {
+ if (!Silent)
+ {
+ DPRINT1("Resource conflict: Port (0x%x to 0x%x vs. 0x%x to 0x%x)\n",
+ ResDesc->u.Port.Start.QuadPart, ResDesc->u.Port.Start.QuadPart +
+ ResDesc->u.Port.Length, ResDesc2->u.Port.Start.QuadPart,
+ ResDesc2->u.Port.Start.QuadPart + ResDesc2->u.Port.Length);
+ }
+
+ Result = TRUE;
+
+ goto ByeBye;
+ }
+ break;
+
+ case CmResourceTypeInterrupt:
+ if (ResDesc->u.Interrupt.Vector == ResDesc2->u.Interrupt.Vector)
+ {
+ if (!Silent)
+ {
+ DPRINT1("Resource conflict: IRQ (0x%x 0x%x vs. 0x%x 0x%x)\n",
+ ResDesc->u.Interrupt.Vector, ResDesc->u.Interrupt.Level,
+ ResDesc2->u.Interrupt.Vector, ResDesc2->u.Interrupt.Level);
+ }
+
+ Result = TRUE;
+
+ goto ByeBye;
+ }
+ break;
+
+ case CmResourceTypeBusNumber:
+ if ((ResDesc->u.BusNumber.Start < ResDesc2->u.BusNumber.Start &&
+ ResDesc->u.BusNumber.Start + ResDesc->u.BusNumber.Length >
+ ResDesc2->u.BusNumber.Start) || (ResDesc2->u.BusNumber.Start <
+ ResDesc->u.BusNumber.Start && ResDesc2->u.BusNumber.Start +
+ ResDesc2->u.BusNumber.Length > ResDesc->u.BusNumber.Start))
+ {
+ if (!Silent)
+ {
+ DPRINT1("Resource conflict: Bus number (0x%x to 0x%x vs. 0x%x to 0x%x)\n",
+ ResDesc->u.BusNumber.Start, ResDesc->u.BusNumber.Start +
+ ResDesc->u.BusNumber.Length, ResDesc2->u.BusNumber.Start,
+ ResDesc2->u.BusNumber.Start + ResDesc2->u.BusNumber.Length);
+ }
+
+ Result = TRUE;
+
+ goto ByeBye;
+ }
+ break;
+
+ case CmResourceTypeDma:
+ if (ResDesc->u.Dma.Channel == ResDesc2->u.Dma.Channel)
+ {
+ if (!Silent)
+ {
+ DPRINT1("Resource conflict: Dma (0x%x 0x%x vs. 0x%x 0x%x)\n",
+ ResDesc->u.Dma.Channel, ResDesc->u.Dma.Port,
+ ResDesc2->u.Dma.Channel, ResDesc2->u.Dma.Port);
+ }
+
+ Result = TRUE;
+
+ goto ByeBye;
+ }
+ break;
+ }
+ }
+ }
+
+ByeBye:
+
+ if (Result && ConflictingDescriptor)
+ {
+ RtlCopyMemory(ConflictingDescriptor,
+ ResDesc,
+ sizeof(CM_PARTIAL_RESOURCE_DESCRIPTOR));
+ }
+
+ return Result;
+}
+
+
+BOOLEAN
+IopCheckForResourceConflict(
+ IN PCM_RESOURCE_LIST ResourceList1,
+ IN PCM_RESOURCE_LIST ResourceList2,
+ IN BOOLEAN Silent,
+ OUT OPTIONAL PCM_PARTIAL_RESOURCE_DESCRIPTOR ConflictingDescriptor)
+{
+ ULONG i, ii;
+ BOOLEAN Result = FALSE;
+
+ for (i = 0; i < ResourceList1->Count; i++)
+ {
+ PCM_PARTIAL_RESOURCE_LIST ResList = &ResourceList1->List[i].PartialResourceList;
+ for (ii = 0; ii < ResList->Count; ii++)
+ {
+ PCM_PARTIAL_RESOURCE_DESCRIPTOR ResDesc = &ResList->PartialDescriptors[ii];
+
+ Result = IopCheckResourceDescriptor(ResDesc,
+ ResourceList2,
+ Silent,
+ ConflictingDescriptor);
+ if (Result) goto ByeBye;
+ }
+ }
+
+
+ByeBye:
+
+ return Result;
}
+NTSTATUS
+IopDetectResourceConflict(
+ IN PCM_RESOURCE_LIST ResourceList,
+ IN BOOLEAN Silent,
+ OUT OPTIONAL PCM_PARTIAL_RESOURCE_DESCRIPTOR ConflictingDescriptor)
+{
+ OBJECT_ATTRIBUTES ObjectAttributes;
+ UNICODE_STRING KeyName;
+ HANDLE ResourceMapKey = INVALID_HANDLE_VALUE, ChildKey2 = INVALID_HANDLE_VALUE, ChildKey3 = INVALID_HANDLE_VALUE;
+ ULONG KeyInformationLength, RequiredLength, KeyValueInformationLength, KeyNameInformationLength;
+ PKEY_BASIC_INFORMATION KeyInformation;
+ PKEY_VALUE_PARTIAL_INFORMATION KeyValueInformation;
+ PKEY_VALUE_BASIC_INFORMATION KeyNameInformation;
+ ULONG ChildKeyIndex1 = 0, ChildKeyIndex2 = 0, ChildKeyIndex3 = 0;
+ NTSTATUS Status;
+
+ RtlInitUnicodeString(&KeyName, L"\\Registry\\Machine\\HARDWARE\\RESOURCEMAP");
+ InitializeObjectAttributes(&ObjectAttributes, &KeyName, OBJ_CASE_INSENSITIVE, 0, NULL);
+ Status = ZwOpenKey(&ResourceMapKey, KEY_ENUMERATE_SUB_KEYS | KEY_QUERY_VALUE, &ObjectAttributes);
+ if (!NT_SUCCESS(Status))
+ {
+ /* The key is missing which means we are the first device */
+ return STATUS_SUCCESS;
+ }
+
+ while (TRUE)
+ {
+ Status = ZwEnumerateKey(ResourceMapKey,
+ ChildKeyIndex1,
+ KeyBasicInformation,
+ NULL,
+ 0,
+ &RequiredLength);
+ if (Status == STATUS_NO_MORE_ENTRIES)
+ break;
+ else if (Status == STATUS_BUFFER_OVERFLOW || Status == STATUS_BUFFER_TOO_SMALL)
+ {
+ KeyInformationLength = RequiredLength;
+ KeyInformation = ExAllocatePool(PagedPool, KeyInformationLength);
+ if (!KeyInformation)
+ {
+ Status = STATUS_INSUFFICIENT_RESOURCES;
+ goto cleanup;
+ }
+
+ Status = ZwEnumerateKey(ResourceMapKey,
+ ChildKeyIndex1,
+ KeyBasicInformation,
+ KeyInformation,
+ KeyInformationLength,
+ &RequiredLength);
+ }
+ else
+ goto cleanup;
+ ChildKeyIndex1++;
+ if (!NT_SUCCESS(Status))
+ goto cleanup;
+
+ KeyName.Buffer = KeyInformation->Name;
+ KeyName.MaximumLength = KeyName.Length = KeyInformation->NameLength;
+ InitializeObjectAttributes(&ObjectAttributes,
+ &KeyName,
+ OBJ_CASE_INSENSITIVE,
+ ResourceMapKey,
+ NULL);
+ Status = ZwOpenKey(&ChildKey2, KEY_ENUMERATE_SUB_KEYS | KEY_QUERY_VALUE, &ObjectAttributes);
+ ExFreePool(KeyInformation);
+ if (!NT_SUCCESS(Status))
+ goto cleanup;
+
+ while (TRUE)
+ {
+ Status = ZwEnumerateKey(ChildKey2,
+ ChildKeyIndex2,
+ KeyBasicInformation,
+ NULL,
+ 0,
+ &RequiredLength);
+ if (Status == STATUS_NO_MORE_ENTRIES)
+ break;
+ else if (Status == STATUS_BUFFER_TOO_SMALL)
+ {
+ KeyInformationLength = RequiredLength;
+ KeyInformation = ExAllocatePool(PagedPool, KeyInformationLength);
+ if (!KeyInformation)
+ {
+ Status = STATUS_INSUFFICIENT_RESOURCES;
+ goto cleanup;
+ }
+
+ Status = ZwEnumerateKey(ChildKey2,
+ ChildKeyIndex2,
+ KeyBasicInformation,
+ KeyInformation,
+ KeyInformationLength,
+ &RequiredLength);
+ }
+ else
+ goto cleanup;
+ ChildKeyIndex2++;
+ if (!NT_SUCCESS(Status))
+ goto cleanup;
+
+ KeyName.Buffer = KeyInformation->Name;
+ KeyName.MaximumLength = KeyName.Length = KeyInformation->NameLength;
+ InitializeObjectAttributes(&ObjectAttributes,
+ &KeyName,
+ OBJ_CASE_INSENSITIVE,
+ ChildKey2,
+ NULL);
+ Status = ZwOpenKey(&ChildKey3, KEY_QUERY_VALUE, &ObjectAttributes);
+ ExFreePool(KeyInformation);
+ if (!NT_SUCCESS(Status))
+ goto cleanup;
+
+ while (TRUE)
+ {
+ Status = ZwEnumerateValueKey(ChildKey3,
+ ChildKeyIndex3,
+ KeyValuePartialInformation,
+ NULL,
+ 0,
+ &RequiredLength);
+ if (Status == STATUS_NO_MORE_ENTRIES)
+ break;
+ else if (Status == STATUS_BUFFER_TOO_SMALL)
+ {
+ KeyValueInformationLength = RequiredLength;
+ KeyValueInformation = ExAllocatePool(PagedPool, KeyValueInformationLength);
+ if (!KeyValueInformation)
+ {
+ Status = STATUS_INSUFFICIENT_RESOURCES;
+ goto cleanup;
+ }
+
+ Status = ZwEnumerateValueKey(ChildKey3,
+ ChildKeyIndex3,
+ KeyValuePartialInformation,
+ KeyValueInformation,
+ KeyValueInformationLength,
+ &RequiredLength);
+ }
+ else
+ goto cleanup;
+ if (!NT_SUCCESS(Status))
+ goto cleanup;
+
+ Status = ZwEnumerateValueKey(ChildKey3,
+ ChildKeyIndex3,
+ KeyValueBasicInformation,
+ NULL,
+ 0,
+ &RequiredLength);
+ if (Status == STATUS_BUFFER_TOO_SMALL)
+ {
+ KeyNameInformationLength = RequiredLength;
+ KeyNameInformation = ExAllocatePool(PagedPool, KeyNameInformationLength + sizeof(WCHAR));
+ if (!KeyNameInformation)
+ {
+ Status = STATUS_INSUFFICIENT_RESOURCES;
+ goto cleanup;
+ }
+
+ Status = ZwEnumerateValueKey(ChildKey3,
+ ChildKeyIndex3,
+ KeyValueBasicInformation,
+ KeyNameInformation,
+ KeyNameInformationLength,
+ &RequiredLength);
+ }
+ else
+ goto cleanup;
+
+ ChildKeyIndex3++;
+
+ if (!NT_SUCCESS(Status))
+ goto cleanup;
+
+ KeyNameInformation->Name[KeyNameInformation->NameLength / sizeof(WCHAR)] = UNICODE_NULL;
+
+ /* Skip translated entries */
+ if (wcsstr(KeyNameInformation->Name, L".Translated"))
+ {
+ ExFreePool(KeyNameInformation);
+ continue;
+ }
+
+ ExFreePool(KeyNameInformation);
+
+ if (IopCheckForResourceConflict(ResourceList,
+ (PCM_RESOURCE_LIST)KeyValueInformation->Data,
+ Silent,
+ ConflictingDescriptor))
+ {
+ ExFreePool(KeyValueInformation);
+ Status = STATUS_CONFLICTING_ADDRESSES;
+ goto cleanup;
+ }
+
+ ExFreePool(KeyValueInformation);
+ }
+ }
+ }
-static NTSTATUS
+cleanup:
+ if (ResourceMapKey != INVALID_HANDLE_VALUE)
+ ZwClose(ResourceMapKey);
+ if (ChildKey2 != INVALID_HANDLE_VALUE)
+ ZwClose(ChildKey2);
+ if (ChildKey3 != INVALID_HANDLE_VALUE)
+ ZwClose(ChildKey3);
+
+ if (Status == STATUS_NO_MORE_ENTRIES)
+ Status = STATUS_SUCCESS;
+
+ return Status;
+}
+
+BOOLEAN
+IopCheckDescriptorForConflict(PCM_PARTIAL_RESOURCE_DESCRIPTOR CmDesc, OPTIONAL PCM_PARTIAL_RESOURCE_DESCRIPTOR ConflictingDescriptor)
+{
+ CM_RESOURCE_LIST CmList;
+ NTSTATUS Status;
+
+ CmList.Count = 1;
+ CmList.List[0].InterfaceType = InterfaceTypeUndefined;
+ CmList.List[0].BusNumber = 0;
+ CmList.List[0].PartialResourceList.Version = 1;
+ CmList.List[0].PartialResourceList.Revision = 1;
+ CmList.List[0].PartialResourceList.Count = 1;
+ CmList.List[0].PartialResourceList.PartialDescriptors[0] = *CmDesc;
+
+ Status = IopDetectResourceConflict(&CmList, TRUE, ConflictingDescriptor);
+ if (Status == STATUS_CONFLICTING_ADDRESSES)
+ return TRUE;
+
+ return FALSE;
+}
+
+BOOLEAN
+IopFindBusNumberResource(
+ IN PIO_RESOURCE_DESCRIPTOR IoDesc,
+ OUT PCM_PARTIAL_RESOURCE_DESCRIPTOR CmDesc)
+{
+ ULONG Start;
+ CM_PARTIAL_RESOURCE_DESCRIPTOR ConflictingDesc;
+
+ ASSERT(IoDesc->Type == CmDesc->Type);
+ ASSERT(IoDesc->Type == CmResourceTypeBusNumber);
+
+ for (Start = IoDesc->u.BusNumber.MinBusNumber;
+ Start < IoDesc->u.BusNumber.MaxBusNumber;
+ Start++)
+ {
+ CmDesc->u.BusNumber.Length = IoDesc->u.BusNumber.Length;
+ CmDesc->u.BusNumber.Start = Start;
+
+ if (IopCheckDescriptorForConflict(CmDesc, &ConflictingDesc))
+ {
+ Start += ConflictingDesc.u.BusNumber.Start + ConflictingDesc.u.BusNumber.Length;
+ }
+ else
+ {
+ return TRUE;
+ }
+ }
+
+ return FALSE;
+}
+
+BOOLEAN
+IopFindMemoryResource(
+ IN PIO_RESOURCE_DESCRIPTOR IoDesc,
+ OUT PCM_PARTIAL_RESOURCE_DESCRIPTOR CmDesc)
+{
+ ULONGLONG Start;
+ CM_PARTIAL_RESOURCE_DESCRIPTOR ConflictingDesc;
+
+ ASSERT(IoDesc->Type == CmDesc->Type);
+ ASSERT(IoDesc->Type == CmResourceTypeMemory);
+
+ for (Start = IoDesc->u.Memory.MinimumAddress.QuadPart;
+ Start < IoDesc->u.Memory.MaximumAddress.QuadPart;
+ Start++)
+ {
+ CmDesc->u.Memory.Length = IoDesc->u.Memory.Length;
+ CmDesc->u.Memory.Start.QuadPart = Start;
+
+ if (IopCheckDescriptorForConflict(CmDesc, &ConflictingDesc))
+ {
+ Start += ConflictingDesc.u.Memory.Start.QuadPart + ConflictingDesc.u.Memory.Length;
+ }
+ else
+ {
+ return TRUE;
+ }
+ }
+
+ return FALSE;
+}
+
+BOOLEAN
+IopFindPortResource(
+ IN PIO_RESOURCE_DESCRIPTOR IoDesc,
+ OUT PCM_PARTIAL_RESOURCE_DESCRIPTOR CmDesc)
+{
+ ULONGLONG Start;
+ CM_PARTIAL_RESOURCE_DESCRIPTOR ConflictingDesc;
+
+ ASSERT(IoDesc->Type == CmDesc->Type);
+ ASSERT(IoDesc->Type == CmResourceTypePort);
+
+ for (Start = IoDesc->u.Port.MinimumAddress.QuadPart;
+ Start < IoDesc->u.Port.MaximumAddress.QuadPart;
+ Start++)
+ {
+ CmDesc->u.Port.Length = IoDesc->u.Port.Length;
+ CmDesc->u.Port.Start.QuadPart = Start;
+
+ if (IopCheckDescriptorForConflict(CmDesc, &ConflictingDesc))
+ {
+ Start += ConflictingDesc.u.Port.Start.QuadPart + ConflictingDesc.u.Port.Length;
+ }
+ else
+ {
+ return TRUE;
+ }
+ }
+
+ return FALSE;
+}
+
+BOOLEAN
+IopFindDmaResource(
+ IN PIO_RESOURCE_DESCRIPTOR IoDesc,
+ OUT PCM_PARTIAL_RESOURCE_DESCRIPTOR CmDesc)
+{
+ ULONG Channel;
+
+ ASSERT(IoDesc->Type == CmDesc->Type);
+ ASSERT(IoDesc->Type == CmResourceTypeDma);
+
+ for (Channel = IoDesc->u.Dma.MinimumChannel;
+ Channel < IoDesc->u.Dma.MaximumChannel;
+ Channel++)
+ {
+ CmDesc->u.Dma.Channel = Channel;
+ CmDesc->u.Dma.Port = 0;
+
+ if (!IopCheckDescriptorForConflict(CmDesc, NULL))
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+BOOLEAN
+IopFindInterruptResource(
+ IN PIO_RESOURCE_DESCRIPTOR IoDesc,
+ OUT PCM_PARTIAL_RESOURCE_DESCRIPTOR CmDesc)
+{
+ ULONG Vector;
+
+ ASSERT(IoDesc->Type == CmDesc->Type);
+ ASSERT(IoDesc->Type == CmResourceTypeInterrupt);
+
+ for (Vector = IoDesc->u.Interrupt.MinimumVector;
+ Vector < IoDesc->u.Interrupt.MaximumVector;
+ Vector++)
+ {
+ CmDesc->u.Interrupt.Vector = Vector;
+ CmDesc->u.Interrupt.Level = Vector;
+ CmDesc->u.Interrupt.Affinity = (KAFFINITY)-1;
+
+ if (!IopCheckDescriptorForConflict(CmDesc, NULL))
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+NTSTATUS
+IopCreateResourceListFromRequirements(
+ IN PIO_RESOURCE_REQUIREMENTS_LIST RequirementsList,
+ OUT PCM_RESOURCE_LIST *ResourceList)
+{
+ ULONG i, ii, Size;
+ PCM_PARTIAL_RESOURCE_DESCRIPTOR ResDesc;
+
+ Size = FIELD_OFFSET(CM_RESOURCE_LIST, List);
+ for (i = 0; i < RequirementsList->AlternativeLists; i++)
+ {
+ PIO_RESOURCE_LIST ResList = &RequirementsList->List[i];
+ Size += FIELD_OFFSET(CM_FULL_RESOURCE_DESCRIPTOR, PartialResourceList.PartialDescriptors)
+ + ResList->Count * sizeof(CM_PARTIAL_RESOURCE_DESCRIPTOR);
+ }
+
+ *ResourceList = ExAllocatePool(PagedPool, Size);
+ if (!*ResourceList)
+ return STATUS_INSUFFICIENT_RESOURCES;
+
+ (*ResourceList)->Count = 1;
+ (*ResourceList)->List[0].BusNumber = RequirementsList->BusNumber;
+ (*ResourceList)->List[0].InterfaceType = RequirementsList->InterfaceType;
+ (*ResourceList)->List[0].PartialResourceList.Version = 1;
+ (*ResourceList)->List[0].PartialResourceList.Revision = 1;
+ (*ResourceList)->List[0].PartialResourceList.Count = 0;
+
+ ResDesc = &(*ResourceList)->List[0].PartialResourceList.PartialDescriptors[0];
+
+ for (i = 0; i < RequirementsList->AlternativeLists; i++)
+ {
+ PIO_RESOURCE_LIST ResList = &RequirementsList->List[i];
+ for (ii = 0; ii < ResList->Count; ii++)
+ {
+ PIO_RESOURCE_DESCRIPTOR ReqDesc = &ResList->Descriptors[ii];
+
+ /* FIXME: Handle alternate ranges */
+ if (ReqDesc->Option == IO_RESOURCE_ALTERNATIVE)
+ continue;
+
+ ResDesc->Type = ReqDesc->Type;
+ ResDesc->Flags = ReqDesc->Flags;
+ ResDesc->ShareDisposition = ReqDesc->ShareDisposition;
+
+ switch (ReqDesc->Type)
+ {
+ case CmResourceTypeInterrupt:
+ if (!IopFindInterruptResource(ReqDesc, ResDesc))
+ {
+ DPRINT1("Failed to find an available interrupt resource (0x%x to 0x%x)\n",
+ ReqDesc->u.Interrupt.MinimumVector, ReqDesc->u.Interrupt.MaximumVector);
+
+ if (ReqDesc->Option == 0)
+ {
+ ExFreePool(*ResourceList);
+ return STATUS_CONFLICTING_ADDRESSES;
+ }
+ }
+ break;
+
+ case CmResourceTypePort:
+ if (!IopFindPortResource(ReqDesc, ResDesc))
+ {
+ DPRINT1("Failed to find an available port resource (0x%x to 0x%x length: 0x%x)\n",
+ ReqDesc->u.Port.MinimumAddress.QuadPart, ReqDesc->u.Port.MaximumAddress.QuadPart,
+ ReqDesc->u.Port.Length);
+
+ if (ReqDesc->Option == 0)
+ {
+ ExFreePool(*ResourceList);
+ return STATUS_CONFLICTING_ADDRESSES;
+ }
+ }
+ break;
+
+ case CmResourceTypeMemory:
+ if (!IopFindMemoryResource(ReqDesc, ResDesc))
+ {
+ DPRINT1("Failed to find an available memory resource (0x%x to 0x%x length: 0x%x)\n",
+ ReqDesc->u.Memory.MinimumAddress.QuadPart, ReqDesc->u.Memory.MaximumAddress.QuadPart,
+ ReqDesc->u.Memory.Length);
+
+ if (ReqDesc->Option == 0)
+ {
+ ExFreePool(*ResourceList);
+ return STATUS_CONFLICTING_ADDRESSES;
+ }
+ }
+ break;
+
+ case CmResourceTypeBusNumber:
+ if (!IopFindBusNumberResource(ReqDesc, ResDesc))
+ {
+ DPRINT1("Failed to find an available bus number resource (0x%x to 0x%x length: 0x%x)\n",
+ ReqDesc->u.BusNumber.MinBusNumber, ReqDesc->u.BusNumber.MaxBusNumber,
+ ReqDesc->u.BusNumber.Length);
+
+ if (ReqDesc->Option == 0)
+ {
+ ExFreePool(*ResourceList);
+ return STATUS_CONFLICTING_ADDRESSES;
+ }
+ }
+ break;
+
+ case CmResourceTypeDma:
+ if (!IopFindDmaResource(ReqDesc, ResDesc))
+ {
+ DPRINT1("Failed to find an available dma resource (0x%x to 0x%x)\n",
+ ReqDesc->u.Dma.MinimumChannel, ReqDesc->u.Dma.MaximumChannel);
+
+ if (ReqDesc->Option == 0)
+ {
+ ExFreePool(*ResourceList);
+ return STATUS_CONFLICTING_ADDRESSES;
+ }
+ }
+ break;
+
+ default:
+ DPRINT1("Unsupported resource type: %x\n", ReqDesc->Type);
+ break;
+ }
+
+ (*ResourceList)->List[0].PartialResourceList.Count++;
+ ResDesc++;
+ }
+ }
+
+ return STATUS_SUCCESS;
+}
+
+NTSTATUS
IopAssignDeviceResources(
IN PDEVICE_NODE DeviceNode,
OUT ULONG *pRequiredSize)
{
- PIO_RESOURCE_LIST ResourceList;
- PIO_RESOURCE_DESCRIPTOR ResourceDescriptor;
- PCM_PARTIAL_RESOURCE_DESCRIPTOR DescriptorRaw;
PCM_PARTIAL_RESOURCE_LIST pPartialResourceList;
- ULONG NumberOfResources = 0;
ULONG Size;
- ULONG i, j;
+ ULONG i;
+ ULONG j;
NTSTATUS Status;
if (!DeviceNode->BootResources && !DeviceNode->ResourceRequirements)
/* Fill DeviceNode->ResourceList
* FIXME: the PnP arbiter should go there!
- * Actually, use the BootResources if provided, else the resource list #0
+ * Actually, use the BootResources if provided, else the resource requirements
*/
if (DeviceNode->BootResources)
}
RtlCopyMemory(DeviceNode->ResourceList, DeviceNode->BootResources, Size);
- *pRequiredSize = Size;
- return STATUS_SUCCESS;
- }
-
- /* Ok, here, we have to use the device requirement list */
- ResourceList = &DeviceNode->ResourceRequirements->List[0];
- if (ResourceList->Version != 1 || ResourceList->Revision != 1)
- {
- Status = STATUS_REVISION_MISMATCH;
- goto ByeBye;
- }
+ Status = IopDetectResourceConflict(DeviceNode->ResourceList, FALSE, NULL);
+ if (NT_SUCCESS(Status) || !DeviceNode->ResourceRequirements)
+ {
+ if (!NT_SUCCESS(Status) && !DeviceNode->ResourceRequirements)
+ {
+ DPRINT1("Using conflicting boot resources because no requirements were supplied!\n");
+ }
- Size = sizeof(CM_RESOURCE_LIST) + ResourceList->Count * sizeof(CM_PARTIAL_RESOURCE_DESCRIPTOR);
- DeviceNode->ResourceList = ExAllocatePool(PagedPool, Size);
- if (!DeviceNode->ResourceList)
- {
- Status = STATUS_NO_MEMORY;
- goto ByeBye;
+ *pRequiredSize = Size;
+ return STATUS_SUCCESS;
+ }
+ else
+ {
+ DPRINT1("Boot resources for %wZ cause a resource conflict!\n", &DeviceNode->InstancePath);
+ ExFreePool(DeviceNode->ResourceList);
+ }
}
- 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;
+ Status = IopCreateResourceListFromRequirements(DeviceNode->ResourceRequirements,
+ &DeviceNode->ResourceList);
+ if (!NT_SUCCESS(Status))
+ goto ByeBye;
- for (i = 0; i < ResourceList->Count; i++)
+ Size = FIELD_OFFSET(CM_RESOURCE_LIST, List);
+ for (i = 0; i < DeviceNode->ResourceList->Count; i++)
{
- ResourceDescriptor = &ResourceList->Descriptors[i];
-
- if (ResourceDescriptor->Option == 0 || ResourceDescriptor->Option == IO_RESOURCE_PREFERRED)
- {
- DescriptorRaw = &DeviceNode->ResourceList->List[0].PartialResourceList.PartialDescriptors[NumberOfResources];
- NumberOfResources++;
-
- /* Copy ResourceDescriptor to DescriptorRaw and DescriptorTranslated */
- DescriptorRaw->Type = ResourceDescriptor->Type;
- DescriptorRaw->ShareDisposition = ResourceDescriptor->ShareDisposition;
- DescriptorRaw->Flags = ResourceDescriptor->Flags;
- switch (ResourceDescriptor->Type)
- {
- case CmResourceTypePort:
- {
- DescriptorRaw->u.Port.Start = ResourceDescriptor->u.Port.MinimumAddress;
- DescriptorRaw->u.Port.Length = ResourceDescriptor->u.Port.Length;
- break;
- }
- case CmResourceTypeInterrupt:
- {
- 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);
- }
- }
- }
- break;
- }
- case CmResourceTypeMemory:
- {
- DescriptorRaw->u.Memory.Start = ResourceDescriptor->u.Memory.MinimumAddress;
- DescriptorRaw->u.Memory.Length = ResourceDescriptor->u.Memory.Length;
- break;
- }
- case CmResourceTypeDma:
- {
- DescriptorRaw->u.Dma.Channel = ResourceDescriptor->u.Dma.MinimumChannel;
- DescriptorRaw->u.Dma.Port = 0; /* FIXME */
- DescriptorRaw->u.Dma.Reserved1 = 0;
- break;
- }
- case CmResourceTypeBusNumber:
- {
- DescriptorRaw->u.BusNumber.Start = ResourceDescriptor->u.BusNumber.MinBusNumber;
- DescriptorRaw->u.BusNumber.Length = ResourceDescriptor->u.BusNumber.Length;
- DescriptorRaw->u.BusNumber.Reserved = ResourceDescriptor->u.BusNumber.Reserved;
- break;
- }
- /*CmResourceTypeDevicePrivate:
- case CmResourceTypePcCardConfig:
- case CmResourceTypeMfCardConfig:
- {
- RtlCopyMemory(
- &DescriptorRaw->u.DevicePrivate,
- &ResourceDescriptor->u.DevicePrivate,
- sizeof(ResourceDescriptor->u.DevicePrivate));
- RtlCopyMemory(
- &DescriptorTranslated->u.DevicePrivate,
- &ResourceDescriptor->u.DevicePrivate,
- sizeof(ResourceDescriptor->u.DevicePrivate));
- break;
- }*/
- default:
- DPRINT1("IopAssignDeviceResources(): unknown resource descriptor type 0x%x\n", ResourceDescriptor->Type);
- NumberOfResources--;
- }
- }
-
+ pPartialResourceList = &DeviceNode->ResourceList->List[i].PartialResourceList;
+ Size += FIELD_OFFSET(CM_FULL_RESOURCE_DESCRIPTOR, PartialResourceList.PartialDescriptors)
+ + pPartialResourceList->Count * sizeof(CM_PARTIAL_RESOURCE_DESCRIPTOR);
}
- DeviceNode->ResourceList->List[0].PartialResourceList.Count = NumberOfResources;
+ Status = IopDetectResourceConflict(DeviceNode->ResourceList, FALSE, NULL);
+ if (!NT_SUCCESS(Status))
+ goto ByeBye;
*pRequiredSize = Size;
return STATUS_SUCCESS;
}
-static NTSTATUS
+NTSTATUS
IopTranslateDeviceResources(
IN PDEVICE_NODE DeviceNode,
IN ULONG RequiredSize)
{
case CmResourceTypePort:
{
- ULONG AddressSpace = 0; /* IO space */
+ ULONG AddressSpace = 1; /* IO space */
if (!HalTranslateBusAddress(
DeviceNode->ResourceList->List[i].InterfaceType,
DeviceNode->ResourceList->List[i].BusNumber,
}
case CmResourceTypeMemory:
{
- ULONG AddressSpace = 1; /* Memory space */
+ ULONG AddressSpace = 0; /* Memory space */
if (!HalTranslateBusAddress(
DeviceNode->ResourceList->List[i].InterfaceType,
DeviceNode->ResourceList->List[i].BusNumber,
LCID LocaleId;
HANDLE InstanceKey = NULL;
UNICODE_STRING ValueName;
- UNICODE_STRING ParentIdPrefix = { 0 };
+ UNICODE_STRING ParentIdPrefix = { 0, 0, NULL };
DEVICE_CAPABILITIES DeviceCapabilities;
DPRINT("IopActionInterrogateDeviceStack(%p, %p)\n", DeviceNode, Context);
sizeof(ULONG));
/* Set 'UINumber' value */
- if (DeviceCapabilities.UINumber != (ULONG)-1)
+ if (DeviceCapabilities.UINumber != MAXULONG)
{
RtlInitUnicodeString(&ValueName, L"UINumber");
Status = ZwSetValueKey(InstanceKey,
PUNICODE_STRING Service;
UNICODE_STRING ClassGUID;
NTSTATUS Status;
+ DEVICE_CAPABILITIES DeviceCaps;
DPRINT("IopActionConfigureChildServices(%p, %p)\n", DeviceNode, Context);
RtlInitUnicodeString(&ClassGUID, NULL);
QueryTable[0].Name = L"Service";
- QueryTable[0].Flags = RTL_QUERY_REGISTRY_DIRECT | RTL_QUERY_REGISTRY_REQUIRED;
+ QueryTable[0].Flags = RTL_QUERY_REGISTRY_DIRECT;
QueryTable[0].EntryContext = Service;
QueryTable[1].Name = L"ClassGUID";
if (Service->Buffer == NULL)
{
- IopDeviceNodeSetFlag(DeviceNode, DNF_DISABLED);
+ if (NT_SUCCESS(IopQueryDeviceCapabilities(DeviceNode, &DeviceCaps)) &&
+ DeviceCaps.RawDeviceOK)
+ {
+ DPRINT1("%wZ is using parent bus driver (%wZ)\n", &DeviceNode->InstancePath, &ParentDeviceNode->ServiceName);
+
+ DeviceNode->ServiceName.Length = 0;
+ DeviceNode->ServiceName.MaximumLength = ParentDeviceNode->ServiceName.MaximumLength;
+ DeviceNode->ServiceName.Buffer = ExAllocatePool(PagedPool, DeviceNode->ServiceName.MaximumLength);
+ if (!DeviceNode->ServiceName.Buffer)
+ return STATUS_SUCCESS;
+
+ RtlCopyUnicodeString(&DeviceNode->ServiceName, &ParentDeviceNode->ServiceName);
- if (ClassGUID.Length != 0)
+ IopDeviceNodeSetFlag(DeviceNode, DNF_LEGACY_DRIVER);
+ }
+ else if (ClassGUID.Length != 0)
{
/* Device has a ClassGUID value, but no Service value.
* Suppose it is using the NULL driver, so state the
DPRINT1("%wZ is using NULL driver\n", &DeviceNode->InstancePath);
IopDeviceNodeSetFlag(DeviceNode, DNF_STARTED);
}
+ else
+ {
+ IopDeviceNodeSetFlag(DeviceNode, DNF_DISABLED);
+ }
return STATUS_SUCCESS;
}
IopDeviceNodeSetFlag(DeviceNode, DNF_DISABLED);
IopDeviceNodeSetFlag(DeviceNode, DNF_START_FAILED);
/* FIXME: Log the error (possibly in IopInitializeDeviceNodeService) */
- CPRINT("Initialization of service %S failed (Status %x)\n",
+ DPRINT1("Initialization of service %S failed (Status %x)\n",
DeviceNode->ServiceName.Buffer, Status);
}
}
IN ULONG ParentBootResourcesLength)
{
UNICODE_STRING IdentifierU = RTL_CONSTANT_STRING(L"Identifier");
- UNICODE_STRING DeviceDescU = RTL_CONSTANT_STRING(L"DeviceDesc");
UNICODE_STRING HardwareIDU = RTL_CONSTANT_STRING(L"HardwareID");
UNICODE_STRING ConfigurationDataU = RTL_CONSTANT_STRING(L"Configuration Data");
UNICODE_STRING BootConfigU = RTL_CONSTANT_STRING(L"BootConfig");
const UNICODE_STRING IdentifierPci = RTL_CONSTANT_STRING(L"PCI");
UNICODE_STRING HardwareIdPci = RTL_CONSTANT_STRING(L"*PNP0A03\0");
static ULONG DeviceIndexPci = 0;
-#ifdef ENABLE_ACPI
- const UNICODE_STRING IdentifierAcpi = RTL_CONSTANT_STRING(L"ACPI BIOS");
- UNICODE_STRING HardwareIdAcpi = RTL_CONSTANT_STRING(L"*PNP0C08\0");
- static ULONG DeviceIndexAcpi = 0;
-#endif
const UNICODE_STRING IdentifierSerial = RTL_CONSTANT_STRING(L"SerialController");
UNICODE_STRING HardwareIdSerial = RTL_CONSTANT_STRING(L"*PNP0501\0");
static ULONG DeviceIndexSerial = 0;
const UNICODE_STRING IdentifierMouse = RTL_CONSTANT_STRING(L"PointerController");
UNICODE_STRING HardwareIdMouse = RTL_CONSTANT_STRING(L"*PNP0F13\0");
static ULONG DeviceIndexMouse = 0;
+ const UNICODE_STRING IdentifierParallel = RTL_CONSTANT_STRING(L"ParallelController");
+ UNICODE_STRING HardwareIdParallel = RTL_CONSTANT_STRING(L"*PNP0400\0");
+ static ULONG DeviceIndexParallel = 0;
+ const UNICODE_STRING IdentifierFloppy = RTL_CONSTANT_STRING(L"FloppyDiskPeripheral");
+ UNICODE_STRING HardwareIdFloppy = RTL_CONSTANT_STRING(L"*PNP0700\0");
+ static ULONG DeviceIndexFloppy = 0;
+ const UNICODE_STRING IdentifierIsa = RTL_CONSTANT_STRING(L"ISA");
+ UNICODE_STRING HardwareIdIsa = RTL_CONSTANT_STRING(L"*PNP0A00\0");
+ static ULONG DeviceIndexIsa = 0;
UNICODE_STRING HardwareIdKey;
PUNICODE_STRING pHardwareId;
ULONG DeviceIndex = 0;
+ PUCHAR CmResourceList;
+ ULONG ListCount;
if (RelativePath)
{
Status = ZwEnumerateKey(hDevicesKey, IndexDevice, KeyBasicInformation, pDeviceInformation, DeviceInfoLength, &RequiredSize);
if (Status == STATUS_NO_MORE_ENTRIES)
break;
- else if (Status == STATUS_BUFFER_OVERFLOW)
+ else if (Status == STATUS_BUFFER_OVERFLOW || Status == STATUS_BUFFER_TOO_SMALL)
{
ExFreePool(pDeviceInformation);
DeviceInfoLength = RequiredSize;
/* Read boot resources, and add then to parent ones */
Status = ZwQueryValueKey(hDeviceKey, &ConfigurationDataU, KeyValuePartialInformation, pValueInformation, ValueInfoLength, &RequiredSize);
- if (Status == STATUS_BUFFER_OVERFLOW)
+ if (Status == STATUS_BUFFER_OVERFLOW || Status == STATUS_BUFFER_TOO_SMALL)
{
ExFreePool(pValueInformation);
ValueInfoLength = RequiredSize;
DPRINT("ExAllocatePool() failed\n");
goto nextdevice;
}
- if (ParentBootResourcesLength == 0)
+ if (ParentBootResourcesLength < sizeof(CM_FULL_RESOURCE_DESCRIPTOR))
{
RtlCopyMemory(BootResources, pValueInformation->Data, pValueInformation->DataLength);
}
Status = ZwEnumerateKey(hDeviceKey, IndexSubKey, KeyBasicInformation, pDeviceInformation, DeviceInfoLength, &RequiredSize);
if (Status == STATUS_NO_MORE_ENTRIES)
break;
- else if (Status == STATUS_BUFFER_OVERFLOW)
+ else if (Status == STATUS_BUFFER_OVERFLOW || Status == STATUS_BUFFER_TOO_SMALL)
{
ExFreePool(pDeviceInformation);
DeviceInfoLength = RequiredSize;
/* Read identifier */
Status = ZwQueryValueKey(hDeviceKey, &IdentifierU, KeyValuePartialInformation, pValueInformation, ValueInfoLength, &RequiredSize);
- if (Status == STATUS_BUFFER_OVERFLOW)
+ if (Status == STATUS_BUFFER_OVERFLOW || Status == STATUS_BUFFER_TOO_SMALL)
{
ExFreePool(pValueInformation);
ValueInfoLength = RequiredSize;
pHardwareId = &HardwareIdMouse;
DeviceIndex = DeviceIndexMouse++;
}
+ else if (RelativePath && RtlCompareUnicodeString(RelativePath, &IdentifierParallel, FALSE) == 0)
+ {
+ pHardwareId = &HardwareIdParallel;
+ DeviceIndex = DeviceIndexParallel++;
+ }
+ else if (RelativePath && RtlCompareUnicodeString(RelativePath, &IdentifierFloppy, FALSE) == 0)
+ {
+ pHardwareId = &HardwareIdFloppy;
+ DeviceIndex = DeviceIndexFloppy++;
+ }
else if (NT_SUCCESS(Status))
{
/* Try to also match the device identifier */
pHardwareId = &HardwareIdPci;
DeviceIndex = DeviceIndexPci++;
}
-#ifdef ENABLE_ACPI
- else if (RtlCompareUnicodeString(&ValueName, &IdentifierAcpi, FALSE) == 0)
+ else if (RtlCompareUnicodeString(&ValueName, &IdentifierIsa, FALSE) == 0)
{
- pHardwareId = &HardwareIdAcpi;
- DeviceIndex = DeviceIndexAcpi++;
+ pHardwareId = &HardwareIdIsa;
+ DeviceIndex = DeviceIndexIsa++;
}
-#endif
else
{
- /* Unknown device */
DPRINT("Unknown device '%wZ'\n", &ValueName);
goto nextdevice;
}
goto nextdevice;
}
DPRINT("Found %wZ #%lu (%wZ)\n", &ValueName, DeviceIndex, &HardwareIdKey);
- Status = ZwSetValueKey(hLevel2Key, &DeviceDescU, 0, REG_SZ, ValueName.Buffer, ValueName.MaximumLength);
- if (!NT_SUCCESS(Status))
- {
- DPRINT("ZwSetValueKey() failed with status 0x%08lx\n", Status);
- ZwDeleteKey(hLevel2Key);
- goto nextdevice;
- }
Status = ZwSetValueKey(hLevel2Key, &HardwareIDU, 0, REG_MULTI_SZ, pHardwareId->Buffer, pHardwareId->MaximumLength);
if (!NT_SUCCESS(Status))
{
ZwDeleteKey(hLevel2Key);
goto nextdevice;
}
- if (BootResourcesLength > 0)
+ if (BootResourcesLength >= sizeof(CM_FULL_RESOURCE_DESCRIPTOR))
{
+ CmResourceList = ExAllocatePool(PagedPool, BootResourcesLength + sizeof(ULONG));
+ if (!CmResourceList)
+ {
+ ZwClose(hLogConf);
+ ZwDeleteKey(hLevel2Key);
+ goto nextdevice;
+ }
+
+ /* Add the list count (1st member of CM_RESOURCE_LIST) */
+ ListCount = 1;
+ RtlCopyMemory(CmResourceList,
+ &ListCount,
+ sizeof(ULONG));
+
+ /* Now add the actual list (2nd member of CM_RESOURCE_LIST) */
+ RtlCopyMemory(CmResourceList + sizeof(ULONG),
+ BootResources,
+ BootResourcesLength);
+
/* Save boot resources to 'LogConf\BootConfig' */
- Status = ZwSetValueKey(hLogConf, &BootConfigU, 0, REG_FULL_RESOURCE_DESCRIPTOR, BootResources, BootResourcesLength);
+ Status = ZwSetValueKey(hLogConf, &BootConfigU, 0, REG_RESOURCE_LIST, CmResourceList, BootResourcesLength + sizeof(ULONG));
if (!NT_SUCCESS(Status))
{
DPRINT("ZwSetValueKey() failed with status 0x%08lx\n", Status);
nextdevice:
if (BootResources && BootResources != ParentBootResources)
+ {
ExFreePool(BootResources);
+ BootResources = NULL;
+ }
if (hLevel2Key)
{
ZwClose(hLevel2Key);
NTSTATUS Status;
BOOLEAN ret = FALSE;
- InitializeObjectAttributes(&ObjectAttributes, &MultiKeyPathU, OBJ_KERNEL_HANDLE, NULL, NULL);
+ InitializeObjectAttributes(&ObjectAttributes, &MultiKeyPathU, OBJ_KERNEL_HANDLE | OBJ_CASE_INSENSITIVE, NULL, NULL);
Status = ZwOpenKey(&hDevicesKey, KEY_ENUMERATE_SUB_KEYS, &ObjectAttributes);
if (!NT_SUCCESS(Status))
{
Status = ZwEnumerateKey(hDevicesKey, IndexDevice, KeyBasicInformation, pDeviceInformation, DeviceInfoLength, &RequiredSize);
if (Status == STATUS_NO_MORE_ENTRIES)
break;
- else if (Status == STATUS_BUFFER_OVERFLOW)
+ else if (Status == STATUS_BUFFER_OVERFLOW || Status == STATUS_BUFFER_TOO_SMALL)
{
ExFreePool(pDeviceInformation);
DeviceInfoLength = RequiredSize;
/* Read identifier */
Status = ZwQueryValueKey(hDeviceKey, &IdentifierU, KeyValuePartialInformation, pValueInformation, ValueInfoLength, &RequiredSize);
- if (Status == STATUS_BUFFER_OVERFLOW)
+ if (Status == STATUS_BUFFER_OVERFLOW || Status == STATUS_BUFFER_TOO_SMALL)
{
ExFreePool(pValueInformation);
ValueInfoLength = RequiredSize;
if (IopIsAcpiComputer())
{
InitializeObjectAttributes(&ObjectAttributes, &HalAcpiDevice, OBJ_KERNEL_HANDLE | OBJ_CASE_INSENSITIVE, hRoot, NULL);
- Status = ZwCreateKey(&hHalAcpiDevice, KEY_CREATE_SUB_KEY, &ObjectAttributes, 0, NULL, REG_OPTION_VOLATILE, NULL);
+ Status = ZwCreateKey(&hHalAcpiDevice, KEY_CREATE_SUB_KEY, &ObjectAttributes, 0, NULL, 0, NULL);
ZwClose(hRoot);
if (!NT_SUCCESS(Status))
return Status;
InitializeObjectAttributes(&ObjectAttributes, &HalAcpiId, OBJ_KERNEL_HANDLE | OBJ_CASE_INSENSITIVE, hHalAcpiDevice, NULL);
- Status = ZwCreateKey(&hHalAcpiId, KEY_CREATE_SUB_KEY, &ObjectAttributes, 0, NULL, REG_OPTION_VOLATILE, NULL);
+ Status = ZwCreateKey(&hHalAcpiId, KEY_CREATE_SUB_KEY, &ObjectAttributes, 0, NULL, 0, NULL);
ZwClose(hHalAcpiDevice);
if (!NT_SUCCESS(Status))
return Status;
return Status;
}
+NTSTATUS
+NTAPI
+IopGetRegistryValue(IN HANDLE Handle,
+ IN PWSTR ValueName,
+ OUT PKEY_VALUE_FULL_INFORMATION *Information)
+{
+ UNICODE_STRING ValueString;
+ NTSTATUS Status;
+ PKEY_VALUE_FULL_INFORMATION FullInformation;
+ ULONG Size;
+ PAGED_CODE();
+
+ RtlInitUnicodeString(&ValueString, ValueName);
+
+ Status = ZwQueryValueKey(Handle,
+ &ValueString,
+ KeyValueFullInformation,
+ NULL,
+ 0,
+ &Size);
+ if ((Status != STATUS_BUFFER_OVERFLOW) &&
+ (Status != STATUS_BUFFER_TOO_SMALL))
+ {
+ return Status;
+ }
+
+ FullInformation = ExAllocatePool(NonPagedPool, Size);
+ if (!FullInformation) return STATUS_INSUFFICIENT_RESOURCES;
+
+ Status = ZwQueryValueKey(Handle,
+ &ValueString,
+ KeyValueFullInformation,
+ FullInformation,
+ Size,
+ &Size);
+ if (!NT_SUCCESS(Status))
+ {
+ ExFreePool(FullInformation);
+ return Status;
+ }
+
+ *Information = FullInformation;
+ return STATUS_SUCCESS;
+}
+
static NTSTATUS INIT_FUNCTION
NTAPI
PnpDriverInitializeEmpty(IN struct _DRIVER_OBJECT *DriverObject, IN PUNICODE_STRING RegistryPath)
DPRINT("PnpInit()\n");
KeInitializeSpinLock(&IopDeviceTreeLock);
-
+ ExInitializeFastMutex(&IopBusTypeGuidListLock);
+
/* Initialize the Bus Type GUID List */
- IopBusTypeGuidList = ExAllocatePool(PagedPool, sizeof(IO_BUS_TYPE_GUID_LIST));
+ IopBusTypeGuidList = ExAllocatePool(NonPagedPool, sizeof(IO_BUS_TYPE_GUID_LIST));
+ if (!IopBusTypeGuidList) {
+ DPRINT1("ExAllocatePool() failed\n");
+ KeBugCheckEx(PHASE1_INITIALIZATION_FAILED, STATUS_NO_MEMORY, 0, 0, 0);
+ }
+
RtlZeroMemory(IopBusTypeGuidList, sizeof(IO_BUS_TYPE_GUID_LIST));
ExInitializeFastMutex(&IopBusTypeGuidList->Lock);
Status = IopInitPlugPlayEvents();
if (!NT_SUCCESS(Status))
{
- CPRINT("IopInitPlugPlayEvents() failed\n");
- KEBUGCHECKEX(PHASE1_INITIALIZATION_FAILED, Status, 0, 0, 0);
+ DPRINT1("IopInitPlugPlayEvents() failed\n");
+ KeBugCheckEx(PHASE1_INITIALIZATION_FAILED, Status, 0, 0, 0);
}
/*
Status = IopCreateDriver(NULL, PnpDriverInitializeEmpty, NULL, 0, 0, &IopRootDriverObject);
if (!NT_SUCCESS(Status))
{
- CPRINT("IoCreateDriverObject() failed\n");
- KEBUGCHECKEX(PHASE1_INITIALIZATION_FAILED, Status, 0, 0, 0);
+ DPRINT1("IoCreateDriverObject() failed\n");
+ KeBugCheckEx(PHASE1_INITIALIZATION_FAILED, Status, 0, 0, 0);
}
Status = IoCreateDevice(IopRootDriverObject, 0, NULL, FILE_DEVICE_CONTROLLER,
0, FALSE, &Pdo);
if (!NT_SUCCESS(Status))
{
- CPRINT("IoCreateDevice() failed\n");
- KEBUGCHECKEX(PHASE1_INITIALIZATION_FAILED, Status, 0, 0, 0);
+ DPRINT1("IoCreateDevice() failed\n");
+ KeBugCheckEx(PHASE1_INITIALIZATION_FAILED, Status, 0, 0, 0);
}
Status = IopCreateDeviceNode(NULL, Pdo, NULL, &IopRootDeviceNode);
if (!NT_SUCCESS(Status))
{
- CPRINT("Insufficient resources\n");
- KEBUGCHECKEX(PHASE1_INITIALIZATION_FAILED, Status, 0, 0, 0);
+ DPRINT1("Insufficient resources\n");
+ KeBugCheckEx(PHASE1_INITIALIZATION_FAILED, Status, 0, 0, 0);
}
if (!RtlCreateUnicodeString(&IopRootDeviceNode->InstancePath,
L"HTREE\\ROOT\\0"))
{
- CPRINT("Failed to create the instance path!\n");
- KEBUGCHECKEX(PHASE1_INITIALIZATION_FAILED, STATUS_NO_MEMORY, 0, 0, 0);
+ DPRINT1("Failed to create the instance path!\n");
+ KeBugCheckEx(PHASE1_INITIALIZATION_FAILED, STATUS_NO_MEMORY, 0, 0, 0);
}
/* Report the device to the user-mode pnp manager */
Status = IopUpdateRootKey();
if (!NT_SUCCESS(Status))
{
- CPRINT("IopUpdateRootKey() failed\n");
- KEBUGCHECKEX(PHASE1_INITIALIZATION_FAILED, Status, 0, 0, 0);
+ DPRINT1("IopUpdateRootKey() failed\n");
+ KeBugCheckEx(PHASE1_INITIALIZATION_FAILED, Status, 0, 0, 0);
}
}
IN PVOID SecondStruct)
{
/* FIXME: TODO */
- KEBUGCHECK(0);
+ ASSERT(FALSE);
return 0;
}
IN CLONG ByteSize)
{
/* FIXME: TODO */
- KEBUGCHECK(0);
+ ASSERT(FALSE);
return NULL;
}
IN PVOID Buffer)
{
/* FIXME: TODO */
- KEBUGCHECK(0);
+ ASSERT(FALSE);
}
VOID
/* PUBLIC FUNCTIONS **********************************************************/
/*
- * @unimplemented
+ * @implemented
*/
NTSTATUS
NTAPI
PVOID Data = NULL;
PWSTR Ptr;
NTSTATUS Status;
+ POBJECT_NAME_INFORMATION ObjectNameInfo = NULL;
+ ULONG RequiredLength, ObjectNameInfoLength;
DPRINT("IoGetDeviceProperty(0x%p %d)\n", DeviceObject, DeviceProperty);
case DevicePropertyAddress:
/* Query the device caps */
Status = IopQueryDeviceCapabilities(DeviceNode, &DeviceCaps);
- if (NT_SUCCESS(Status) && (DeviceCaps.Address != (ULONG)-1))
+ if (NT_SUCCESS(Status) && (DeviceCaps.Address != MAXULONG))
{
/* Return length */
*ResultLength = sizeof(ULONG);
{
Length = CM_RESOURCE_LIST_SIZE(DeviceNode->BootResources);
}
- Data = &DeviceNode->BootResources;
+ Data = DeviceNode->BootResources;
break;
/* FIXME: use a translated boot configuration instead */
{
Length = CM_RESOURCE_LIST_SIZE(DeviceNode->BootResources);
}
- Data = &DeviceNode->BootResources;
+ Data = DeviceNode->BootResources;
break;
case DevicePropertyEnumeratorName:
* always contains the enumerator name followed by \\ */
Ptr = wcschr(DeviceNode->InstancePath.Buffer, L'\\');
ASSERT(Ptr);
- Length = (Ptr - DeviceNode->InstancePath.Buffer + 1) * sizeof(WCHAR);
+ Length = (Ptr - DeviceNode->InstancePath.Buffer) * sizeof(WCHAR);
Data = DeviceNode->InstancePath.Buffer;
break;
case DevicePropertyPhysicalDeviceObjectName:
- /* InstancePath buffer is NULL terminated, so we can do this */
- Length = DeviceNode->InstancePath.MaximumLength;
- Data = DeviceNode->InstancePath.Buffer;
+ Status = ObQueryNameString(DeviceNode->PhysicalDeviceObject,
+ NULL,
+ 0,
+ &RequiredLength);
+ if (Status == STATUS_SUCCESS)
+ {
+ Length = 0;
+ Data = L"";
+ }
+ else if (Status == STATUS_INFO_LENGTH_MISMATCH)
+ {
+ ObjectNameInfoLength = RequiredLength;
+ ObjectNameInfo = ExAllocatePool(PagedPool, ObjectNameInfoLength);
+ if (!ObjectNameInfo)
+ return STATUS_INSUFFICIENT_RESOURCES;
+
+ Status = ObQueryNameString(DeviceNode->PhysicalDeviceObject,
+ ObjectNameInfo,
+ ObjectNameInfoLength,
+ &RequiredLength);
+ if (NT_SUCCESS(Status))
+ {
+ Length = ObjectNameInfo->Name.Length;
+ Data = ObjectNameInfo->Name.Buffer;
+ }
+ else
+ return Status;
+ }
+ else
+ return Status;
break;
default:
/* Prepare returned values */
*ResultLength = Length;
if (BufferLength < Length)
+ {
+ if (ObjectNameInfo != NULL)
+ ExFreePool(ObjectNameInfo);
+
return STATUS_BUFFER_TOO_SMALL;
+ }
RtlCopyMemory(PropertyBuffer, Data, Length);
/* NULL terminate the string (if required) */
- if (DeviceProperty == DevicePropertyEnumeratorName)
+ if (DeviceProperty == DevicePropertyEnumeratorName ||
+ DeviceProperty == DevicePropertyPhysicalDeviceObjectName)
((LPWSTR)PropertyBuffer)[Length / sizeof(WCHAR)] = UNICODE_NULL;
+ if (ObjectNameInfo != NULL)
+ ExFreePool(ObjectNameInfo);
+
return STATUS_SUCCESS;
}
return STATUS_NOT_SUPPORTED;
}
}
+
+/*
+ * @unimplemented
+ */
+BOOLEAN
+NTAPI
+IoTranslateBusAddress(IN INTERFACE_TYPE InterfaceType,
+ IN ULONG BusNumber,
+ IN PHYSICAL_ADDRESS BusAddress,
+ IN OUT PULONG AddressSpace,
+ OUT PPHYSICAL_ADDRESS TranslatedAddress)
+{
+ UNIMPLEMENTED;
+ return FALSE;
+}
projects / reactos.git / blobdiff