Re: [PATCH v6 2/3] Documentation: add a isolation strategy sysfs node for uacce
From: Greg KH
Date: Sat Jul 30 2022 - 07:10:44 EST
On Sat, Jul 30, 2022 at 04:32:45PM +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 | 17 +++++++++++++++++
> 1 file changed, 17 insertions(+)
>
> diff --git a/Documentation/ABI/testing/sysfs-driver-uacce b/Documentation/ABI/testing/sysfs-driver-uacce
> index 08f2591138af..1601f9dac29c 100644
> --- a/Documentation/ABI/testing/sysfs-driver-uacce
> +++ b/Documentation/ABI/testing/sysfs-driver-uacce
> @@ -19,6 +19,23 @@ 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: (RW) Configure the frequency size for the hardware error
> + isolation strategy. This size is a configured integer value.
> + The default is 0. The maximum value is 65535. This value is a
> + threshold based on your driver handling strategy.
what is a "driver handling strategy"? What exactly is this units in?
Any documentation for how to use this?
thanks,
greg k-h