On Thu, Jun 23, 2022 at 02:14:51PM +0800, Kai Ye wrote: > Update documentation describing sysfs node that could help to > configure isolation method command for users in th user space. > > Signed-off-by: Kai Ye <yekai13@xxxxxxxxxx> > --- > Documentation/ABI/testing/sysfs-driver-uacce | 18 ++++++++++++++++++ > 1 file changed, 18 insertions(+) > > diff --git a/Documentation/ABI/testing/sysfs-driver-uacce b/Documentation/ABI/testing/sysfs-driver-uacce > index 08f2591138af..8784efa96e01 100644 > --- a/Documentation/ABI/testing/sysfs-driver-uacce > +++ b/Documentation/ABI/testing/sysfs-driver-uacce > @@ -19,6 +19,24 @@ Contact: linux-accelerators@xxxxxxxxxxxxxxxx > Description: Available instances left of the device > Return -ENODEV if uacce_ops get_available_instances is not provided > > +What: /sys/class/uacce/<dev_name>/isolate_strategy > +Date: Jun 2022 > +KernelVersion: 5.20 > +Contact: linux-accelerators@xxxxxxxxxxxxxxxx > +Description: A sysfs node that used to configures the hardware error > + isolation method command. The command can be parsed > + in correct driver. e.g. If the device slot reset frequency > + exceeds the preset value in a time window, the device will be > + isolated. What is the "command"? What is being parsed? This needs to be documented a lot more here, this is very vague and not obvious at all. > + > +What: /sys/class/uacce/<dev_name>/isolate > +Date: Jun 2022 > +KernelVersion: 5.20 > +Contact: linux-accelerators@xxxxxxxxxxxxxxxx > +Description: A sysfs node that show the device isolated state. The value 0 > + means that the device is working. The value 1 means that the > + device has been isolated. Are these read-only? Write only? read/write? thanks, greg k-h
