| What: /sys/kernel/debug/vfio | |
| Date: December 2023 | |
| KernelVersion: 6.8 | |
| Contact: Longfang Liu <liulongfang@huawei.com> | |
| Description: This debugfs file directory is used for debugging | |
| of vfio devices, it's a common directory for all vfio devices. | |
| Vfio core will create a device subdirectory under this | |
| directory. | |
| What: /sys/kernel/debug/vfio/<device>/migration | |
| Date: December 2023 | |
| KernelVersion: 6.8 | |
| Contact: Longfang Liu <liulongfang@huawei.com> | |
| Description: This debugfs file directory is used for debugging | |
| of vfio devices that support live migration. | |
| The debugfs of each vfio device that supports live migration | |
| could be created under this directory. | |
| What: /sys/kernel/debug/vfio/<device>/migration/state | |
| Date: December 2023 | |
| KernelVersion: 6.8 | |
| Contact: Longfang Liu <liulongfang@huawei.com> | |
| Description: Read the live migration status of the vfio device. | |
| The contents of the state file reflects the migration state | |
| relative to those defined in the vfio_device_mig_state enum |