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+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.