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Add a debugfs document description file to help users understand how to use the hisilicon accelerator live migration driver's debugfs. Update the file paths that need to be maintained in MAINTAINERS Signed-off-by: Longfang Liu <liulongfang@huawei.com> Reviewed-by: Shameer Kolothum <shameerali.kolothum.thodi@huawei.com> Link: https://lore.kernel.org/r/20241112073322.54550-5-liulongfang@huawei.com Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
25 lines
1.1 KiB
Text
25 lines
1.1 KiB
Text
What: /sys/kernel/debug/vfio/<device>/migration/hisi_acc/dev_data
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Date: Jan 2025
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KernelVersion: 6.13
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Contact: Longfang Liu <liulongfang@huawei.com>
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Description: Read the configuration data and some status data
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required for device live migration. These data include device
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status data, queue configuration data, some task configuration
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data and device attribute data. The output format of the data
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is defined by the live migration driver.
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What: /sys/kernel/debug/vfio/<device>/migration/hisi_acc/migf_data
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Date: Jan 2025
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KernelVersion: 6.13
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Contact: Longfang Liu <liulongfang@huawei.com>
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Description: Read the data from the last completed live migration.
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This data includes the same device status data as in "dev_data".
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The migf_data is the dev_data that is migrated.
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What: /sys/kernel/debug/vfio/<device>/migration/hisi_acc/cmd_state
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Date: Jan 2025
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KernelVersion: 6.13
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Contact: Longfang Liu <liulongfang@huawei.com>
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Description: Used to obtain the device command sending and receiving
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channel status. Returns failure or success logs based on the
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results.
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