Merge tag 'vfio-v7.1-rc1' of https://github.com/awilliam/linux-vfio

Pull VFIO updates from Alex Williamson:

 - Update QAT vfio-pci variant driver for Gen 5, 420xx devices (Vijay
   Sundar Selvamani, Suman Kumar Chakraborty, Giovanni Cabiddu)

 - Fix vfio selftest MMIO DMA mapping selftest (Alex Mastro)

 - Conversions to const struct class in support of class_create()
   deprecation (Jori Koolstra)

 - Improve selftest compiler compatibility by avoiding initializer on
   variable-length array (Manish Honap)

 - Define new uAPI for drivers supporting migration to advise user-
   space of new initial data for reducing target startup latency.
   Implemented for mlx5 vfio-pci variant driver (Yishai Hadas)

 - Enable vfio selftests on aarch64, not just cross-compiles reporting
   arm64 (Ted Logan)

 - Update vfio selftest driver support to include additional DSA devices
   (Yi Lai)

 - Unconditionally include debugfs root pointer in vfio device struct,
   avoiding a build failure seen in hisi_acc variant driver without
   debugfs otherwise (Arnd Bergmann)

 - Add support for the s390 ISM (Internal Shared Memory) device via a
   new variant driver. The device is unique in the size of its BAR space
   (256TiB) and lack of mmap support (Julian Ruess)

 - Enforce that vfio-pci drivers implement a name in their ops structure
   for use in sequestering SR-IOV VFs (Alex Williamson)

 - Prune leftover group notifier code (Paolo Bonzini)

 - Fix Xe vfio-pci variant driver to avoid migration support as a
   dependency in the reset path and missing release call (Michał
   Winiarski)

* tag 'vfio-v7.1-rc1' of https://github.com/awilliam/linux-vfio: (23 commits)
  vfio/xe: Add a missing vfio_pci_core_release_dev()
  vfio/xe: Reorganize the init to decouple migration from reset
  vfio: remove dead notifier code
  vfio/pci: Require vfio_device_ops.name
  MAINTAINERS: add VFIO ISM PCI DRIVER section
  vfio/ism: Implement vfio_pci driver for ISM devices
  vfio/pci: Rename vfio_config_do_rw() to vfio_pci_config_rw_single() and export it
  vfio: unhide vdev->debug_root
  vfio/qat: add support for Intel QAT 420xx VFs
  vfio: selftests: Support DMR and GNR-D DSA devices
  vfio: selftests: Build tests on aarch64
  vfio/mlx5: Add REINIT support to VFIO_MIG_GET_PRECOPY_INFO
  vfio/mlx5: consider inflight SAVE during PRE_COPY
  net/mlx5: Add IFC bits for migration state
  vfio: Adapt drivers to use the core helper vfio_check_precopy_ioctl
  vfio: Add support for VFIO_DEVICE_FEATURE_MIG_PRECOPY_INFOv2
  vfio: Define uAPI for re-init initial bytes during the PRE_COPY phase
  vfio: selftests: Fix VLA initialisation in vfio_pci_irq_set()
  vfio: uapi: fix comment typo
  vfio: mdev: replace mtty_dev->vd_class with a const struct class
  ...

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