Xin Zeng bb208810b1 vfio/qat: Add vfio_pci driver for Intel QAT SR-IOV VF devices ... Add vfio pci variant driver for Intel QAT SR-IOV VF devices. This driver registers to the vfio subsystem through the interfaces exposed by the subsystem. It follows the live migration protocol v2 defined in uapi/linux/vfio.h and interacts with Intel QAT PF driver through a set of interfaces defined in qat/qat_mig_dev.h to support live migration of Intel QAT VF devices. This version only covers migration for Intel QAT GEN4 VF devices. Co-developed-by: Yahui Cao <yahui.cao@intel.com> Signed-off-by: Yahui Cao <yahui.cao@intel.com> Signed-off-by: Xin Zeng <xin.zeng@intel.com> Reviewed-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com> Reviewed-by: Kevin Tian <kevin.tian@intel.com> Link: https://lore.kernel.org/r/20240426064051.2859652-1-xin.zeng@intel.com Signed-off-by: Alex Williamson <alex.williamson@redhat.com>		2024-04-29 13:25:41 -06:00
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