Commit f65ccb82 authored by Kai Ye's avatar Kai Ye Committed by Greg Kroah-Hartman
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Documentation: add the device isolation feature sysfs nodes for uacce 



Update documentation describing sysfs node that could help to
configure hardware error threshold for users in the user space. And
describing sysfs node that could read the device isolated state.

Signed-off-by: default avatarKai Ye <yekai13@huawei.com>
Link: https://lore.kernel.org/r/20221119074817.12063-3-yekai13@huawei.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent e3e289fb

Documentation/ABI/testing/sysfs-driver-uacce

+18 −0
Original line number Diff line number Diff line
@@ -19,6 +19,24 @@ Contact: linux-accelerators@lists.ozlabs.org 
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:           Nov 2022

KernelVersion:  6.1

Contact:        linux-accelerators@lists.ozlabs.org

Description:    (RW) A sysfs node that configure the error threshold for the hardware

                isolation strategy. This size is a configured integer value, which is the

                number of threshold for hardware errors occurred in one hour. The default is 0.

                0 means never isolate the device. The maximum value is 65535. You can write

                a number of threshold based on your hardware.



What:           /sys/class/uacce/<dev_name>/isolate

Date:           Nov 2022

KernelVersion:  6.1

Contact:        linux-accelerators@lists.ozlabs.org

Description:    (R) A sysfs node that read the device isolated state. The value 1

                means the device is unavailable. The 0 means the device is

                available.



What:           /sys/class/uacce/<dev_name>/algorithms

Date:           Feb 2020

KernelVersion:  5.7