NTSTATUS
EvtWmiQueryPortName(
IN WDFWMIINSTANCE WmiInstance,
IN ULONG OutBufferSize,
IN PVOID OutBuffer,
OUT PULONG BufferUsed
)
{
WDFDEVICE device;
WCHAR pRegName[SYMBOLIC_NAME_LENGTH];
UNICODE_STRING string;
USHORT nameSize = sizeof(pRegName);
NTSTATUS status;
PAGED_CODE();
device = WdfWmiInstanceGetDevice(WmiInstance);
status = SerialReadSymName(device, pRegName, &nameSize);
if (!NT_SUCCESS(status)) {
return status;
}
RtlInitUnicodeString(&string, pRegName);
return WDF_WMI_BUFFER_APPEND_STRING(OutBuffer,
OutBufferSize,
&string,
BufferUsed);
}
/*++
Routine Description:
WMI Call back functions
Arguments:
WmiInstance
OutBufferSize
OutBuffer
BufferUsed
Return Value:
Status
--*/
_Use_decl_annotations_
NTSTATUS
EvtWmiQueryPortName(
WDFWMIINSTANCE WmiInstance,
ULONG OutBufferSize,
PVOID OutBuffer,
PULONG BufferUsed
)
{
WDFDEVICE device;
WCHAR regName[SYMBOLIC_NAME_LENGTH];
UNICODE_STRING string;
USHORT nameSize = sizeof(regName);
NTSTATUS status;
PAGED_CODE();
TraceEvents(TRACE_LEVEL_INFORMATION, DBG_WMI, "++EvtWmiQueryPortName()\r\n");
device = WdfWmiInstanceGetDevice(WmiInstance);
status = SerialReadSymName(device, regName, &nameSize);
if (!NT_SUCCESS(status)) {
TraceEvents(TRACE_LEVEL_ERROR, DBG_WMI,
"EvtWmiQueryPortName() SerialReadSymName failed. Err=%Xh\r\n",
status);
goto EndWmiPortname;
}
RtlInitUnicodeString(&string, regName);
status = WDF_WMI_BUFFER_APPEND_STRING(OutBuffer,
OutBufferSize,
&string,
BufferUsed);
if (!NT_SUCCESS(status)) {
TraceEvents(TRACE_LEVEL_ERROR, DBG_WMI,
"EvtWmiQueryPortName() WMI_BUFFER_APPEND_STRING failed. Err=%Xh\r\n",
status);
}
EndWmiPortname:
TraceEvents(TRACE_LEVEL_INFORMATION, DBG_WMI, "--EvtWmiQueryPortName()=%Xh\r\n", status);
return status;
}