linux-kernel - Re: [PATCH v2 7/7] ocxl: Document new OCXL IOCTLs

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Date:   Wed, 18 Apr 2018 17:29:41 +1000
From:   Andrew Donnellan <andrew.donnellan@....ibm.com>
To:     "Alastair D'Silva" <alastair@....ibm.com>,
        linuxppc-dev@...ts.ozlabs.org
Cc:     linux-kernel@...r.kernel.org, linux-doc@...r.kernel.org,
        mikey@...ling.org, vaibhav@...ux.vnet.ibm.com,
        aneesh.kumar@...ux.vnet.ibm.com, malat@...ian.org,
        felix@...ux.vnet.ibm.com, pombredanne@...b.com,
        sukadev@...ux.vnet.ibm.com, npiggin@...il.com,
        gregkh@...uxfoundation.org, arnd@...db.de,
        fbarrat@...ux.vnet.ibm.com, corbet@....net,
        "Alastair D'Silva" <alastair@...ilva.org>
Subject: Re: [PATCH v2 7/7] ocxl: Document new OCXL IOCTLs

On 18/04/18 11:08, Alastair D'Silva wrote:
> From: Alastair D'Silva <alastair@...ilva.org>
> 
> Signed-off-by: Alastair D'Silva <alastair@...ilva.org>

This looks better.

Acked-by: Andrew Donnellan <andrew.donnellan@....ibm.com>

> ---
>   Documentation/accelerators/ocxl.rst | 11 +++++++++++
>   1 file changed, 11 insertions(+)
> 
> diff --git a/Documentation/accelerators/ocxl.rst b/Documentation/accelerators/ocxl.rst
> index 7904adcc07fd..3b8d3b99795c 100644
> --- a/Documentation/accelerators/ocxl.rst
> +++ b/Documentation/accelerators/ocxl.rst
> @@ -157,6 +157,17 @@ OCXL_IOCTL_GET_METADATA:
>     Obtains configuration information from the card, such at the size of
>     MMIO areas, the AFU version, and the PASID for the current context.
>   
> +OCXL_IOCTL_ENABLE_P9_WAIT:
> +
> +  Allows the AFU to wake a userspace thread executing 'wait'. Returns
> +  information to userspace to allow it to configure the AFU. Note that
> +  this is only available on Power 9.

Nitpicking time, if you do a v3 you should stay on brand and call it 
POWER9. :D

> +
> +OCXL_IOCTL_GET_FEATURES:
> +
> +  Reports on which CPU features that affect OpenCAPI are usable from
> +  userspace.
> +
>   mmap
>   ----
>   
> 

-- 
Andrew Donnellan              OzLabs, ADL Canberra
andrew.donnellan@....ibm.com  IBM Australia Limited