CLOUDHV.fd
  This is the upstream CloudHv platform build, intended for the Cloud
  Hypervisor VMM. Unlike the other firmware images in this source package it
  is not a flash device image but a PVH ELF binary, loaded through Cloud
  Hypervisor's --kernel option:

    cloud-hypervisor --kernel /usr/share/cloudhv-efi-x86-64/CLOUDHV.fd --disk path=...

  It has no persistent varstore - variables live in EmuVariableFvbRuntimeDxe
  and are mirrored to an "NvVars" file on the first writable filesystem the
  firmware finds - and therefore no Secure Boot support. There is no
  /usr/share/qemu/firmware/ descriptor for it either, as the QEMU firmware
  metadata specification has no way to describe a PVH --kernel payload.

  The image gets a directory of its own, named after the package, as the
  qemu-efi-* firmware packages do. That leaves room for a build targeting
  another guest architecture without a path collision, since upstream names
  its output after the platform rather than the architecture.

  This package is deliberately not pulled in by the ovmf metapackage: it
  targets a different VMM, and Cloud Hypervisor users are expected to install
  it explicitly.

 -- Gauthier Jolly <gauthier.jolly@canonical.com>, Thu, 30 Jul 2026 11:00:00 +0200