Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging

Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging

pc,pci,virtio: features, fixes, tests

vhost user rng
vdpa multiqueue
Fixes, cleanups, new tests all over the place.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
# gpg: Signature made Wed 20 Oct 2021 03:18:24 AM PDT
# gpg:                using RSA key 5D09FD0871C8F85B94CA8A0D281F0DB8D28D5469
# gpg:                issuer "mst@redhat.com"
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>" [full]
# gpg:                 aka "Michael S. Tsirkin <mst@redhat.com>" [full]

* remotes/mst/tags/for_upstream: (44 commits)
  tests/acpi/bios-tables-test: update DSDT blob for multifunction bridge test
  tests/acpi/pcihp: add unit tests for hotplug on multifunction bridges for q35
  tests/acpi/bios-tables-test: add and allow changes to a new q35 DSDT table blob
  pci: fix PCI resource reserve capability on BE
  vhost-vdpa: multiqueue support
  virtio-net: vhost control virtqueue support
  vhost: record the last virtqueue index for the virtio device
  virtio-net: use "queue_pairs" instead of "queues" when possible
  vhost-net: control virtqueue support
  net: introduce control client
  vhost-vdpa: let net_vhost_vdpa_init() returns NetClientState *
  vhost-vdpa: prepare for the multiqueue support
  vhost-vdpa: classify one time request
  vhost-vdpa: open device fd in net_init_vhost_vdpa()
  bios-tables-test: don't disassemble empty files
  rebuild-expected-aml.sh: allow partial target list
  qdev/qbus: remove failover specific code
  vhost-user-blk-test: pass vhost-user socket fds to QSD
  failover: fix a regression introduced by JSON'ification of -device
  vhost-user: fix duplicated notifier MR init
  ...

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>