| What: /sys/kernel/debug/vfio/<device>/migration/hisi_acc/dev_data |
| Date: Jan 2025 |
| KernelVersion: 6.13 |
| Contact: Longfang Liu <liulongfang@huawei.com> |
| Description: Read the configuration data and some status data |
| required for device live migration. These data include device |
| status data, queue configuration data, some task configuration |
| data and device attribute data. The output format of the data |
| is defined by the live migration driver. |
| |
| What: /sys/kernel/debug/vfio/<device>/migration/hisi_acc/migf_data |
| Date: Jan 2025 |
| KernelVersion: 6.13 |
| Contact: Longfang Liu <liulongfang@huawei.com> |
| Description: Read the data from the last completed live migration. |
| This data includes the same device status data as in "dev_data". |
| The migf_data is the dev_data that is migrated. |
| |
| What: /sys/kernel/debug/vfio/<device>/migration/hisi_acc/cmd_state |
| Date: Jan 2025 |
| KernelVersion: 6.13 |
| Contact: Longfang Liu <liulongfang@huawei.com> |
| Description: Used to obtain the device command sending and receiving |
| channel status. Returns failure or success logs based on the |
| results. |