On Fri, Jul 08, 2022 at 03:08:19PM +0800, Kai Ye wrote: > Update documentation describing sysfs node that could help to > configure isolation strategy for users in the user space. And > describing sysfs node that could read the device isolated state. > > 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..a8056271a963 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: Jul 2022 > +KernelVersion: 5.20 > +Contact: linux-accelerators@xxxxxxxxxxxxxxxx > +Description: A sysfs node that used to configures the hardware error This is not a "node" it is just a file. > + isolation strategy. This strategy is a configured integer value. > + The default is 0. The maximum value is 65535. This value > + indicates the number of device slot resets per unit time > + that your service can tolerate. I do not understand this, sorry. What do you mean by "that your service can tolerate"? > + > +What: /sys/class/uacce/<dev_name>/isolate > +Date: Jul 2022 > +KernelVersion: 5.20 > +Contact: linux-accelerators@xxxxxxxxxxxxxxxx > +Description: A sysfs node that read the device isolated state. The value 0 > + means that the device is working. The value 1 means that the > + device has been isolated. So 1 means "not working"? This seems odd, perhaps you can rephrase this a bit better? thanks, greg k-h