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1What: /sys/kernel/debug/vfio2Date: December 20233KernelVersion: 6.84Contact: Longfang Liu <liulongfang@huawei.com>5Description: This debugfs file directory is used for debugging6 of vfio devices, it's a common directory for all vfio devices.7 Vfio core will create a device subdirectory under this8 directory.9 10What: /sys/kernel/debug/vfio/<device>/migration11Date: December 202312KernelVersion: 6.813Contact: Longfang Liu <liulongfang@huawei.com>14Description: This debugfs file directory is used for debugging15 of vfio devices that support live migration.16 The debugfs of each vfio device that supports live migration17 could be created under this directory.18 19What: /sys/kernel/debug/vfio/<device>/migration/state20Date: December 202321KernelVersion: 6.822Contact: Longfang Liu <liulongfang@huawei.com>23Description: Read the live migration status of the vfio device.24 The contents of the state file reflects the migration state25 relative to those defined in the vfio_device_mig_state enum26