IRP_MN_QUERY_REMOVE_DEVICE
All PnP drivers must handle this IRP.
Value
0x01
Major Code
When Sent
The PnP manager sends this IRP to inform drivers that a device is about to be removed from the computer and to query whether the device can be removed without disrupting the computer. The PnP manager also sends this IRP if a user requests to update driver(s) for the device.
The PnP manager sends this IRP at IRQL PASSIVE_LEVEL in the context of a system thread.
Input Parameters
None
Output Parameters
None
I/O Status Block
A driver sets Irp->IoStatus.Status to STATUS_SUCCESS or to an appropriate error status such as STATUS_UNSUCCESSFUL.
Operation
This IRP is handled first by the driver at the top of the device stack and then passed down to each lower driver in the stack.
In response to this IRP, drivers indicate whether the device can be removed without disrupting the computer.
For more information about handling this IRP, see Handling an IRP_MN_QUERY_REMOVE_DEVICE Request. For general information about supporting device removal, see Removing a Device.
Sending This IRP
Reserved for system use. Drivers must not send this IRP.
Requirements
Header |
Wdm.h (include Wdm.h, Ntddk.h, or Ntifs.h) |