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| author | Longfang Liu <liulongfang@huawei.com> | 2024-11-12 08:33:22 +0100 |
|---|---|---|
| committer | Alex Williamson <alex.williamson@redhat.com> | 2024-11-13 22:59:33 +0100 |
| commit | a13bf78feebd432c31cff9d0d84968c8b78bcbfb (patch) | |
| tree | d44ad00813679435750ba2ebedf329926f319baf /Documentation | |
| parent | hisi_acc_vfio_pci: register debugfs for hisilicon migration driver (diff) | |
| download | linux-a13bf78feebd432c31cff9d0d84968c8b78bcbfb.tar.xz linux-a13bf78feebd432c31cff9d0d84968c8b78bcbfb.zip | |
Documentation: add debugfs description for hisi migration
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>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/ABI/testing/debugfs-hisi-migration | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/debugfs-hisi-migration b/Documentation/ABI/testing/debugfs-hisi-migration new file mode 100644 index 000000000000..2c01b2d387dd --- /dev/null +++ b/Documentation/ABI/testing/debugfs-hisi-migration @@ -0,0 +1,25 @@ +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. |