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lastdragon
2026-09-06 12:53:21 -06:00
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linux-7.2.3/Documentation/ABI/testing/debugfs-hisi-migration
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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.