* PURPOSE: Initializes the PnP manager
*
* PROGRAMMERS: Casper S. Hornstrup (chorns@users.sourceforge.net)
+ * Hervé Poussineau (hpoussin@reactos.org)
*/
/* INCLUDES ******************************************************************/
/* 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,
+};
+
/* FUNCTIONS *****************************************************************/
IopGetDeviceNode(
PDEVICE_OBJECT DeviceObject)
{
- return DeviceObject->DeviceObjectExtension->DeviceNode;
+ return ((PEXTENDED_DEVOBJ_EXTENSION)DeviceObject->DeviceObjectExtension)->DeviceNode;
+}
+
+NTSTATUS
+STDCALL
+IopQueryDeviceCapabilities(PDEVICE_NODE DeviceNode,
+ PDEVICE_CAPABILITIES DeviceCaps)
+{
+ 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);
}
/*
OUT PULONG ResultLength)
{
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;
/* 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;
+ /* Sanity check */
+ if ((DeviceNode->ChildBusTypeIndex != 0xFFFF) &&
+ (DeviceNode->ChildBusTypeIndex < IopBusTypeGuidList->GuidCount))
+ {
+ /* Return the GUID */
+ *ResultLength = sizeof(GUID);
+
+ /* Check if the buffer given was large enough */
+ if (BufferLength < *ResultLength)
+ {
+ return STATUS_BUFFER_TOO_SMALL;
+ }
+
+ /* Copy the GUID */
+ RtlCopyMemory(PropertyBuffer,
+ &(IopBusTypeGuidList->Guids[DeviceNode->ChildBusTypeIndex]),
+ sizeof(GUID));
+ return STATUS_SUCCESS;
+ }
+ else
+ {
+ return STATUS_OBJECT_NAME_NOT_FOUND;
+ }
+ break;
case DevicePropertyLegacyBusType:
Length = sizeof(INTERFACE_TYPE);
break;
case DevicePropertyAddress:
- Length = sizeof(ULONG);
- Data = &DeviceNode->Address;
- break;
+
+ /* Query the device caps */
+ Status = IopQueryDeviceCapabilities(DeviceNode, &DeviceCaps);
+ if (NT_SUCCESS(Status) && (DeviceCaps.Address != -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)
KeyNameBuffer = ExAllocatePool(PagedPool,
(49 * sizeof(WCHAR)) + DeviceNode->InstancePath.Length);
- DPRINT("KeyNameBuffer: %x, value %S\n",
+ DPRINT("KeyNameBuffer: 0x%p, value %S\n",
KeyNameBuffer, RegistryPropertyName);
if (KeyNameBuffer == NULL)
}
-BOOLEAN
-IopCreateUnicodeString(
- PUNICODE_STRING Destination,
- PWSTR Source,
- POOL_TYPE PoolType)
-{
- ULONG Length;
-
- if (!Source)
- {
- RtlInitUnicodeString(Destination, NULL);
- return TRUE;
- }
-
- Length = (wcslen(Source) + 1) * sizeof(WCHAR);
-
- Destination->Buffer = ExAllocatePool(PoolType, Length);
-
- if (Destination->Buffer == NULL)
- {
- return FALSE;
- }
-
- RtlCopyMemory(Destination->Buffer, Source, Length);
-
- Destination->MaximumLength = Length;
-
- Destination->Length = Length - sizeof(WCHAR);
-
- return TRUE;
-}
-
NTSTATUS
IopGetSystemPowerDeviceObject(PDEVICE_OBJECT *DeviceObject)
{
return STATUS_UNSUCCESSFUL;
}
+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++;
+ }
+
+ /* 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);
+
+ /* Allocate the new copy */
+ NewList = ExAllocatePool(PagedPool, NewSize);
+
+ /* Now copy them, decrease the size too */
+ NewSize -= sizeof(GUID);
+ RtlCopyMemory(NewList, IopBusTypeGuidList, NewSize);
+
+ /* Free the old list */
+ ExFreePool(IopBusTypeGuidList);
+
+ /* Use the new buffer */
+ IopBusTypeGuidList = NewList;
+ }
+
+ /* Copy the new GUID */
+ RtlCopyMemory(&IopBusTypeGuidList->Guids[IopBusTypeGuidList->GuidCount],
+ BusTypeGuid,
+ sizeof(GUID));
+
+ /* The new entry is the index */
+ FoundIndex = IopBusTypeGuidList->GuidCount;
+ IopBusTypeGuidList->GuidCount++;
+
+Quickie:
+ ExReleaseFastMutex(&IopBusTypeGuidList->Lock);
+ return FoundIndex;
+}
+
/*
* DESCRIPTION
* Creates a device node
NTSTATUS Status;
KIRQL OldIrql;
- DPRINT("ParentNode %x PhysicalDeviceObject %x\n",
+ DPRINT("ParentNode 0x%p PhysicalDeviceObject 0x%p\n",
ParentNode, PhysicalDeviceObject);
Node = (PDEVICE_NODE)ExAllocatePool(NonPagedPool, sizeof(DEVICE_NODE));
Node->PhysicalDeviceObject = PhysicalDeviceObject;
- PhysicalDeviceObject->DeviceObjectExtension->DeviceNode = Node;
+ ((PEXTENDED_DEVOBJ_EXTENSION)PhysicalDeviceObject->DeviceObjectExtension)->DeviceNode = Node;
if (ParentNode)
{
}
ParentNode->Child = Node;
KeReleaseSpinLock(&IopDeviceTreeLock, OldIrql);
+ Node->Level = ParentNode->Level + 1;
}
*DeviceNode = Node;
{
NTSTATUS Status;
- DPRINT("Context %x\n", Context);
+ DPRINT("Context 0x%p\n", Context);
- DPRINT("IopTraverseDeviceTree(DeviceNode %x FirstDeviceNode %x Action %x Context %x)\n",
+ 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 */
}
case CmResourceTypeInterrupt:
{
+ INTERFACE_TYPE BusType;
+ ULONG SlotNumber;
+ ULONG ret;
+ UCHAR Irq;
+
DescriptorRaw->u.Interrupt.Level = 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.Vector = 9;
- else
- DescriptorRaw->u.Interrupt.Vector = ResourceDescriptor->u.Interrupt.MinimumVector;
+ 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,
= 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:
}
+/*
+ * 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;
+ goto cleanup;
+ }
+ if (Status != STATUS_OBJECT_NAME_NOT_FOUND)
+ goto cleanup;
+
+ /* 2. Create the ParentIdPrefix value */
+ currentByte = (PBYTE)DeviceNode->Parent;
+ for (i = 0; i < sizeof(DEVICE_NODE); i++, currentByte++)
+ crc32 = (crc32 >> 8) ^ crc32Table[*currentByte ^ (crc32 & 0xff)];
+ crc32 = ~crc32;
+ KeyValue.Buffer = (PWSTR)ParentIdPrefixInformation->Data;
+ swprintf(KeyValue.Buffer, L"%lx&%lx", DeviceNode->Parent->Level, crc32);
+
+ /* 3. Try to write the ParentIdPrefix to registry */
+ RtlInitUnicodeString(&KeyValue, KeyValue.Buffer);
+ 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 */
+ KeyValue.Length = KeyValue.MaximumLength = ParentIdPrefixInformation->DataLength;
+ KeyValue.Buffer = (PWSTR)ParentIdPrefixInformation->Data;
+ Status = RtlDuplicateUnicodeString(RTL_DUPLICATE_UNICODE_STRING_NULL_TERMINATE, &KeyValue, ParentIdPrefix);
+ }
+ ExFreePool(ParentIdPrefixInformation);
+ ExFreePool(KeyNameBuffer);
+ if (hKey != INVALID_HANDLE_VALUE)
+ ZwClose(hKey);
+ return Status;
+}
+
+
/*
* IopActionInterrogateDeviceStack
*
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("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;
{
/* 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 */
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,
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");
!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 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");
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);
projects / reactos.git / blobdiff