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@xxxxxxxxxx> --- .../ABI/testing/debugfs-hisi-migration | 27 +++++++++++++++++++ MAINTAINERS | 1 + 2 files changed, 28 insertions(+) create mode 100644 Documentation/ABI/testing/debugfs-hisi-migration diff --git a/Documentation/ABI/testing/debugfs-hisi-migration b/Documentation/ABI/testing/debugfs-hisi-migration new file mode 100644 index 000000000000..f391f2366bfa --- /dev/null +++ b/Documentation/ABI/testing/debugfs-hisi-migration @@ -0,0 +1,27 @@ +What: /sys/kernel/debug/vfio/<device>/migration/hisi_acc/dev_data +Date: Apr 2024 +KernelVersion: 6.9 +Contact: Longfang Liu <liulongfang@xxxxxxxxxx> +Description: Read the live migration data of the vfio device. + 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: Apr 2024 +KernelVersion: 6.9 +Contact: Longfang Liu <liulongfang@xxxxxxxxxx> +Description: Read the data from the last completed 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/cmd_state +Date: Apr 2024 +KernelVersion: 6.9 +Contact: Longfang Liu <liulongfang@xxxxxxxxxx> +Description: Used to obtain the device command sending and receiving + channel status. If successful, returns the command value. + If failed, return error log. diff --git a/MAINTAINERS b/MAINTAINERS index aa415ddc6c03..d2bcf926bb18 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -23234,6 +23234,7 @@ M: Longfang Liu <liulongfang@xxxxxxxxxx> M: Shameer Kolothum <shameerali.kolothum.thodi@xxxxxxxxxx> L: kvm@xxxxxxxxxxxxxxx S: Maintained +F: Documentation/ABI/testing/debugfs-hisi-migration F: drivers/vfio/pci/hisilicon/ VFIO MEDIATED DEVICE DRIVERS -- 2.24.0
