linux-kernel - Re: [PATCH v6 2/3] Documentation: add a isolation strategy sysfs node for uacce

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Message-ID: <YuUQuNPIV6Xrfmwt@kroah.com>
Date:   Sat, 30 Jul 2022 13:06:32 +0200
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Kai Ye <yekai13@...wei.com>
Cc:     herbert@...dor.apana.org.au, linux-crypto@...r.kernel.org,
        linux-kernel@...r.kernel.org, wangzhou1@...ilicon.com,
        liulongfang@...wei.com
Subject: Re: [PATCH v6 2/3] Documentation: add a isolation strategy sysfs
 node for uacce

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@...wei.com>
> ---
>  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@...ts.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:           Jul 2022
> +KernelVersion:  5.20
> +Contact:        linux-accelerators@...ts.ozlabs.org
> +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