Merge tag 'pull-vfio-20250425' of https://github.com/legoater/qemu into staging

Merge tag 'pull-vfio-20250425' of https://github.com/legoater/qemu into staging

vfio queue:

* Updated IGD passthrough documentation
* Fixed L2 crash on pseries machines
* Reorganized code and renamed services
* Moved HostIOMMUDevice realize after device attachement to help
  adding support for nested IOMMU
* Fixed CPR registration with IOMMUFD backend
* Refactored vfio-pci code to prepare ground for vfio-user

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* tag 'pull-vfio-20250425' of https://github.com/legoater/qemu: (50 commits)
  vfio: refactor out vfio_pci_config_setup()
  vfio: refactor out vfio_interrupt_setup()
  vfio: Register/unregister container for CPR only once for each container
  vfio: Remove hiod_typename property
  vfio: Cleanup host IOMMU device creation
  vfio/container: Move realize() after attachment
  vfio/iommufd: Move realize() after attachment
  vfio/iommufd: Make a separate call to get IOMMU capabilities
  MAINTAINERS: Add a maintainer for util/vfio-helpers.c
  vfio: Rename VFIOContainer related services
  vfio: Rename VFIODevice related services
  vfio: Rename vfio-common.h to vfio-device.h
  vfio: Introduce vfio_listener_un/register() routines
  vfio: Rename RAM discard related services
  vfio: Introduce new files for VFIO MemoryListener
  vfio: Rename vfio_get_dirty_bitmap()
  vfio: Rename vfio_devices_all_device_dirty_tracking()
  vfio: Rename vfio_devices_all_dirty_tracking_started()
  vfio: Make vfio_container_query_dirty_bitmap() static
  vfio: Make vfio_devices_query_dirty_bitmap() static
  ...

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