AMD SEV-SNP defines a guest to Secure VM Service Module (SVSM) firmware
[1] interface. Add a corresponding item to the FirmwareOSInterface
enum.

[1]
https://docs.amd.com/api/khub/documents/Al5Q~fSl~kWKkJ3zC0vk_g/content

Signed-off-by: Oliver Steffen <osteffen@redhat.com>
---
 docs/interop/firmware.json | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/docs/interop/firmware.json b/docs/interop/firmware.json
index 12eb1fd79c..dabfa692fd 100644
--- a/docs/interop/firmware.json
+++ b/docs/interop/firmware.json
@@ -40,10 +40,12 @@
 #     example, firmware built from the edk2 (EFI Development Kit II)
 #     project usually provides this interface.
 #
+# @svsm: AMD SEV-SNP Secure VM Service Module (SVSM) guest protocol.
+#
 # Since: 3.0
 ##
 { 'enum' : 'FirmwareOSInterface',
-  'data' : [ 'bios', 'openfirmware', 'uboot', 'uefi' ] }
+  'data' : [ 'bios', 'openfirmware', 'svsm', 'uboot', 'uefi' ] }
 
 ##
 # @FirmwareDevice:
-- 
2.52.0

On Fri, Jan 23, 2026 at 09:32:03AM +0100, Oliver Steffen wrote:
> AMD SEV-SNP defines a guest to Secure VM Service Module (SVSM) firmware
> [1] interface. Add a corresponding item to the FirmwareOSInterface
> enum.
> 
> [1]
> https://docs.amd.com/api/khub/documents/Al5Q~fSl~kWKkJ3zC0vk_g/content
> 
> Signed-off-by: Oliver Steffen <osteffen@redhat.com>

Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>