linux-kernel - Re: [PATCH v4 11/24] fpga: dfl: fme: add header sub feature support

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Message-ID: <CANk1AXTDC2YROkdFyhnnAn28nwrv7UHt5_saFGDn4-8VRqS7Sw@mail.gmail.com>
Date:   Wed, 14 Feb 2018 10:36:26 -0600
From:   Alan Tull <atull@...nel.org>
To:     Wu Hao <hao.wu@...el.com>
Cc:     Moritz Fischer <mdf@...nel.org>, linux-fpga@...r.kernel.org,
        linux-kernel <linux-kernel@...r.kernel.org>,
        linux-api@...r.kernel.org, "Kang, Luwei" <luwei.kang@...el.com>,
        "Zhang, Yi Z" <yi.z.zhang@...el.com>,
        Tim Whisonant <tim.whisonant@...el.com>,
        Enno Luebbers <enno.luebbers@...el.com>,
        Shiva Rao <shiva.rao@...el.com>,
        Christopher Rauer <christopher.rauer@...el.com>,
        Xiao Guangrong <guangrong.xiao@...ux.intel.com>
Subject: Re: [PATCH v4 11/24] fpga: dfl: fme: add header sub feature support

On Tue, Feb 13, 2018 at 3:24 AM, Wu Hao <hao.wu@...el.com> wrote:

Hi Hao,

Looks good.

> From: Kang Luwei <luwei.kang@...el.com>
>
> The Header Register set is always present for FPGA Management Engine (FME),
> this patch implements init and uinit function for header sub feature and
> introduce several read-only sysfs interfaces for the capability and status.
>
> Sysfs interfaces:
> * /sys/class/fpga_region/<regionX>/<dfl-fme.x>/ports_num
>   Read-only. Number of ports implemented
>
> * /sys/class/fpga_region/<regionX>/<dfl-fme.x>/bitstream_id
>   Read-only. Blue Bitstream (static FPGA region) identifier number. It contains
>   the detailed version and other information of this static FPGA region.
>
> * /sys/class/fpga_region/<regionX>/<dfl-fme.x>/bitstream_metadata
>   Read-only. Blue Bitstream (static FPGA region) meta data. It contains the
>   synthesis date, seed and other information of this static FPGA region.
>
> Signed-off-by: Tim Whisonant <tim.whisonant@...el.com>
> Signed-off-by: Enno Luebbers <enno.luebbers@...el.com>
> Signed-off-by: Shiva Rao <shiva.rao@...el.com>
> Signed-off-by: Christopher Rauer <christopher.rauer@...el.com>
> Signed-off-by: Kang Luwei <luwei.kang@...el.com>
> Signed-off-by: Xiao Guangrong <guangrong.xiao@...ux.intel.com>
> Signed-off-by: Wu Hao <hao.wu@...el.com>
Acked-by: Alan Tull <atull@...nel.org>

Thanks,
Alan