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Retrieves the hotplug configuration of the specified device.
Major code
Input buffer
None.
Input buffer length
None.
Output buffer
The driver returns the hotplug configuration data in a STORAGE_HOTPLUG_INFO structure in the buffer at Irp->AssociatedIrp.SystemBuffer.
Output buffer length
Parameters.DeviceIoControl.OutputBufferLength in the I/O stack location indicates the size, in bytes, of the parameter buffer, which must be greater than or equal to sizeof(STORAGE_HOTPLUG_INFO).
Status block
The Information field is set to sizeof(STORAGE_HOTPLUG_INFO). The Status field is set to STATUS_SUCCESS, or possibly to STATUS_BUFFER_TOO_SMALL if the output buffer is too small.
Requirements
| Requirement | Value |
|---|---|
| Header | ntddstor.h (include Ntddstor.h) |