virtio,pc,pci: features, fixes

virtio sound card support

vhost-user: back-end state migration

cxl:
     line length reduction
     enabling fabric management

vhost-vdpa:
     shadow virtqueue hash calculation Support
     shadow virtqueue RSS Support

tests:
    CPU topology related smbios test cases

Fixes, cleanups all over the place

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

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* tag 'for_upstream' of https://git.kernel.org/pub/scm/virt/kvm/mst/qemu

: (63 commits)
  acpi/tests/avocado/bits: enable console logging from bits VM
  acpi/tests/avocado/bits: enforce 32-bit SMBIOS entry point
  hw/cxl: Add tunneled command support to mailbox for switch cci.
  hw/cxl: Add dummy security state get
  hw/cxl/type3: Cleanup multiple CXL_TYPE3() calls in read/write functions
  hw/cxl/mbox: Add Get Background Operation Status Command
  hw/cxl: Add support for device sanitation
  hw/cxl/mbox: Wire up interrupts for background completion
  hw/cxl/mbox: Add support for background operations
  hw/cxl: Implement Physical Ports status retrieval
  hw/pci-bridge/cxl_downstream: Set default link width and link speed
  hw/cxl/mbox: Add Physical Switch Identify command.
  hw/cxl/mbox: Add Information and Status / Identify command
  hw/cxl: Add a switch mailbox CCI function
  hw/pci-bridge/cxl_upstream: Move defintion of device to header.
  hw/cxl/mbox: Generalize the CCI command processing
  hw/cxl/mbox: Pull the CCI definition out of the CXLDeviceState
  hw/cxl/mbox: Split mailbox command payload into separate input and output
  hw/cxl/mbox: Pull the payload out of struct cxl_cmd and make instances constant
  hw/cxl: Fix a QEMU_BUILD_BUG_ON() in switch statement scope issue.
  ...

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>