On 2024/11/1 6:09, Alex Williamson wrote: > On Fri, 25 Oct 2024 17:01:43 +0800 > Longfang Liu <liulongfang@xxxxxxxxxx> wrote: > >> 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> >> Reviewed-by: Shameer Kolothum <shameerali.kolothum.thodi@xxxxxxxxxx> >> --- >> .../ABI/testing/debugfs-hisi-migration | 25 +++++++++++++++++++ >> 1 file changed, 25 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..89e4fde5ec6a >> --- /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: Oct 2024 >> +KernelVersion: 6.12 > > We're currently targeting v6.13, which is likely Jan 2025. Thanks, > OK! Thanks. Longfang. > Alex > >> +Contact: Longfang Liu <liulongfang@xxxxxxxxxx> >> +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: Oct 2024 >> +KernelVersion: 6.12 >> +Contact: Longfang Liu <liulongfang@xxxxxxxxxx> >> +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: Oct 2024 >> +KernelVersion: 6.12 >> +Contact: Longfang Liu <liulongfang@xxxxxxxxxx> >> +Description: Used to obtain the device command sending and receiving >> + channel status. Returns failure or success logs based on the >> + results. > > > . >
