Branch: refs/heads/master
Home: https://github.com/tianocore/edk2
Commit: f25e3d0d2c556723792bb216c030836604b4a89d
https://github.com/tianocore/edk2/commit/f25e3d0d2c556723792bb216c030836604b4a89d
Author: Oliver Steffen <[email protected]>
Date: 2025-03-13 (Thu, 13 Mar 2025)
Changed paths:
M OvmfPkg/Library/HardwareInfoLib/HardwareInfoTypesLib.h
Log Message:
-----------
OvmfPkg/HardwareInfoLib: Reserve device type ID for SVSM
Reserve a new device type ID for Virtio MMIO devices intended to be used by
the Secure VM Service Module (SVSM).
Coconut SVSM will be using a Virtio-Blk device via the MMIO transport to
persist state, when running under Qemu. The guest OS shall not try to use the
device.
The HardwareInfoLib is an ideal channel to communicate the device
information to the SVSM, due to its simplicity and flexibility to
include arbitrary information, and since it does not interfere with
regular hardware configuration mechanisms of the guest OS.
This device type is intended for the SVSM only and no code is added
to EDK2 that makes use of it.
Signed-off-by: Oliver Steffen <[email protected]>
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