| 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 |
