1 What: /sys/kernel/debug/vfio 2 Date: December 2023 3 KernelVersion: 6.8 4 Contact: Longfang Liu <liulongfang@huawei.com> 5 Description: This debugfs file directory is used for debugging 6 of vfio devices, it's a common directory for all vfio devices. 7 Vfio core will create a device subdirectory under this 8 directory. 9 10 What: /sys/kernel/debug/vfio/<device>/migration 11 Date: December 2023 12 KernelVersion: 6.8 13 Contact: Longfang Liu <liulongfang@huawei.com> 14 Description: This debugfs file directory is used for debugging 15 of vfio devices that support live migration. 16 The debugfs of each vfio device that supports live migration 17 could be created under this directory. 18 19 What: /sys/kernel/debug/vfio/<device>/migration/state 20 Date: December 2023 21 KernelVersion: 6.8 22 Contact: Longfang Liu <liulongfang@huawei.com> 23 Description: Read the live migration status of the vfio device. 24 The contents of the state file reflects the migration state 25 relative to those defined in the vfio_device_mig_state enum
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