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In addition to generic VFIO PCI functionality, the driver implements VFIO migration uAPI, allowing userspace to enable migration for Intel Graphics SR-IOV Virtual Functions. The driver binds to VF device and uses API exposed by Xe driver to transfer the VF migration data under the control of PF device. Acked-by: Rodrigo Vivi <rodrigo.vivi@intel.com> Reviewed-by: Kevin Tian <kevin.tian@intel.com> Reviewed-by: Alex Williamson <alex@shazbot.org> Link: https://patch.msgid.link/20251127093934.1462188-5-michal.winiarski@intel.com Link: https://lore.kernel.org/all/20251128125322.34edbeaf.alex@shazbot.org/ Signed-off-by: Michał Winiarski <michal.winiarski@intel.com> (cherry picked from commit 2e38c50ae4929f0b954fee69d428db7121452867) Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>