asm-generic/hyperv: introduce hv_device_id and auxiliary structures
We will need to identify the device we want Microsoft Hypervisor to
manipulate. Introduce the data structures for that purpose.
They will be used in a later patch.
Signed-off-by: Sunil Muthuswamy <sunilmut@microsoft.com>
Co-Developed-by: Sunil Muthuswamy <sunilmut@microsoft.com>
Signed-off-by: Wei Liu <wei.liu@kernel.org>
Reviewed-by: Michael Kelley <mikelley@microsoft.com>
Link: https://lore.kernel.org/r/20210203150435.27941-14-wei.liu@kernel.org
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