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[NTOS:PNP] Complete the PlugPlayControlInitializeDevice control class

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Besides creating the PDO and device node for it, it has to set up the
necessary registry keys, and register PDO at PnP root driver properly.

CORE-18989
This commit is contained in:
Victor Perevertkin 2023-06-26 01:26:08 +03:00
parent 6cac5b8c9e
commit 8cfc4a3376
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GPG key ID: C750B7222E9C7830
1 changed files with 36 additions and 12 deletions
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48
ntoskrnl/io/pnpmgr/plugplay.c
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@ -32,6 +32,9 @@ static KEVENT IopPnpNotifyEvent;
/* FUNCTIONS *****************************************************************/
NTSTATUS
IopSetDeviceInstanceData(HANDLE InstanceKey, PDEVICE_NODE DeviceNode);
CODE_SEG("INIT")
NTSTATUS
IopInitPlugPlayEvents(VOID)
@ -198,15 +201,16 @@ IopCaptureUnicodeString(PUNICODE_STRING DstName, PUNICODE_STRING SrcName)
static
NTSTATUS
IopInitializeDevice(
PiControlInitializeDevice(
_In_ PPLUGPLAY_CONTROL_DEVICE_CONTROL_DATA ControlData)
{
UNICODE_STRING DeviceInstance;
PDEVICE_OBJECT DeviceObject;
PDEVICE_NODE DeviceNode;
NTSTATUS Status = STATUS_SUCCESS;
HANDLE InstanceKey;
DPRINT("IopInitializeDevice(%p)\n", ControlData);
DPRINT("PiControlInitializeDevice(%p)\n", ControlData);
Status = IopCaptureUnicodeString(&DeviceInstance, &ControlData->DeviceInstance);
if (!NT_SUCCESS(Status))
@ -229,13 +233,7 @@ IopInitializeDevice(
DPRINT("Device %wZ does not exist!\n", &DeviceInstance);
/* Create a device node for the device instance */
Status = IoCreateDevice(IopRootDriverObject,
0,
NULL,
FILE_DEVICE_CONTROLLER,
FILE_AUTOGENERATED_DEVICE_NAME,
FALSE,
&DeviceObject);
Status = PnpRootCreateDeviceObject(&DeviceObject);
if (!NT_SUCCESS(Status))
{
DPRINT1("IoCreateDevice() failed (Status 0x%08lx)\n", Status);
@ -252,8 +250,12 @@ IopInitializeDevice(
goto done;
}
/* Set the device instance of the device node */
Status = RtlDuplicateUnicodeString(0, &DeviceInstance, &DeviceNode->InstancePath);
// Set the device instance of the device node
// NOTE: a NULL-terminated string is required for PnpRootRegisterDevice
Status = RtlDuplicateUnicodeString(
RTL_DUPLICATE_UNICODE_STRING_NULL_TERMINATE,
&DeviceInstance,
&DeviceNode->InstancePath);
if (!NT_SUCCESS(Status))
{
DPRINT1("RtlDuplicateUnicodeString() failed (Status 0x%08lx)\n", Status);
@ -262,9 +264,31 @@ IopInitializeDevice(
goto done;
}
DeviceObject->Flags |= DO_BUS_ENUMERATED_DEVICE;
DeviceNode->Flags |= DNF_MADEUP | DNF_IDS_QUERIED | DNF_ENUMERATED;
PiSetDevNodeState(DeviceNode, DeviceNodeInitialized);
Status = IopCreateDeviceKeyPath(&DeviceInstance, REG_OPTION_NON_VOLATILE, &InstanceKey);
if (!NT_SUCCESS(Status))
{
DPRINT1("Failed to create the instance key! (Status %lx)\n", Status);
IopFreeDeviceNode(DeviceNode);
IoDeleteDevice(DeviceObject);
goto done;
}
/* Write the resource information to the registry */
IopSetDeviceInstanceData(InstanceKey, DeviceNode);
// Finish the root device registration
PnpRootRegisterDevice(DeviceObject);
/* Insert as a root enumerated device node */
PiInsertDevNode(DeviceNode, IopRootDeviceNode);
IopQueueTargetDeviceEvent(&GUID_DEVICE_ENUMERATED, &DeviceInstance);
ZwClose(InstanceKey);
done:
ExFreePool(DeviceInstance.Buffer);
@ -1431,7 +1455,7 @@ NtPlugPlayControl(IN PLUGPLAY_CONTROL_CLASS PlugPlayControlClass,
case PlugPlayControlInitializeDevice:
if (!Buffer || BufferLength < sizeof(PLUGPLAY_CONTROL_DEVICE_CONTROL_DATA))
return STATUS_INVALID_PARAMETER;
return IopInitializeDevice((PPLUGPLAY_CONTROL_DEVICE_CONTROL_DATA)Buffer);
return PiControlInitializeDevice((PPLUGPLAY_CONTROL_DEVICE_CONTROL_DATA)Buffer);
case PlugPlayControlStartDevice:
case PlugPlayControlResetDevice: