From: Longfang Liu Date: Tue, 12 Nov 2024 07:33:22 +0000 (+0800) Subject: Documentation: add debugfs description for hisi migration X-Git-Tag: v6.13-rc1~55^2~10 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=a13bf78feebd432c31cff9d0d84968c8b78bcbfb;p=thirdparty%2Flinux.git 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 Reviewed-by: Shameer Kolothum Link: https://lore.kernel.org/r/20241112073322.54550-5-liulongfang@huawei.com Signed-off-by: Alex Williamson --- diff --git a/Documentation/ABI/testing/debugfs-hisi-migration b/Documentation/ABI/testing/debugfs-hisi-migration new file mode 100644 index 0000000000000..2c01b2d387ddd --- /dev/null +++ b/Documentation/ABI/testing/debugfs-hisi-migration @@ -0,0 +1,25 @@ +What: /sys/kernel/debug/vfio//migration/hisi_acc/dev_data +Date: Jan 2025 +KernelVersion: 6.13 +Contact: Longfang Liu +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//migration/hisi_acc/migf_data +Date: Jan 2025 +KernelVersion: 6.13 +Contact: Longfang Liu +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//migration/hisi_acc/cmd_state +Date: Jan 2025 +KernelVersion: 6.13 +Contact: Longfang Liu +Description: Used to obtain the device command sending and receiving + channel status. Returns failure or success logs based on the + results.