linux-kernel - Re: [PATCH v8 0/4] Broadcom SBA RAID support

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Message-ID: <20170516043239.GH15061@localhost>
Date:   Tue, 16 May 2017 10:02:40 +0530
From:   Vinod Koul <vinod.koul@...el.com>
To:     Anup Patel <anup.patel@...adcom.com>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        "David S . Miller" <davem@...emloft.net>,
        Jassi Brar <jassisinghbrar@...il.com>,
        Dan Williams <dan.j.williams@...el.com>,
        Ray Jui <rjui@...adcom.com>,
        Scott Branden <sbranden@...adcom.com>,
        Jon Mason <jonmason@...adcom.com>,
        Rob Rice <rob.rice@...adcom.com>,
        bcm-kernel-feedback-list@...adcom.com, dmaengine@...r.kernel.org,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, linux-crypto@...r.kernel.org,
        linux-raid@...r.kernel.org
Subject: Re: [PATCH v8 0/4] Broadcom SBA RAID support

On Mon, May 15, 2017 at 10:34:51AM +0530, Anup Patel wrote:
> The Broadcom SBA RAID is a stream-based device which provides
> RAID5/6 offload.
> 
> It requires a SoC specific ring manager (such as Broadcom FlexRM
> ring manager) to provide ring-based programming interface. Due to
> this, the Broadcom SBA RAID driver (mailbox client) implements
> DMA device having one DMA channel using a set of mailbox channels
> provided by Broadcom SoC specific ring manager driver (mailbox
> controller).
> 
> The Broadcom SBA RAID hardware requires PQ disk position instead
> of PQ disk coefficient. To address this, we have added raid_gflog
> table which will help driver to convert PQ disk coefficient to PQ
> disk position.

Applied, now

-- 
~Vinod