linux-kernel - Re: [PATCH v6 0/4] Broadcom SBA RAID support

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Message-ID: <CAALAos9CsqNGX6-fB6vOWhG_7M2CfGTD1gfp-iLcu39aR4oZzw@mail.gmail.com>
Date:   Wed, 15 Mar 2017 13:32:05 +0530
From:   Anup Patel <anup.patel@...adcom.com>
To:     Dan Williams <dan.j.williams@...el.com>
Cc:     Vinod Koul <vinod.koul@...el.com>,
        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>,
        Ray Jui <rjui@...adcom.com>,
        Scott Branden <sbranden@...adcom.com>,
        Jon Mason <jonmason@...adcom.com>,
        Rob Rice <rob.rice@...adcom.com>,
        BCM Kernel Feedback <bcm-kernel-feedback-list@...adcom.com>,
        "dmaengine@...r.kernel.org" <dmaengine@...r.kernel.org>,
        Device Tree <devicetree@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        linux-crypto@...r.kernel.org,
        linux-raid <linux-raid@...r.kernel.org>, Shaohua Li <shli@...com>
Subject: Re: [PATCH v6 0/4] Broadcom SBA RAID support

On Tue, Mar 14, 2017 at 10:26 PM, Dan Williams <dan.j.williams@...el.com> wrote:
> On Mon, Mar 6, 2017 at 1:43 AM, Anup Patel <anup.patel@...adcom.com> 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.
>>
>> This patchset is based on Linux-4.11-rc1 and depends on patchset
>> "[PATCH v5 0/2] Broadcom FlexRM ring manager support"
>>
>> It is also available at sba-raid-v6 branch of
>> https://github.com/Broadcom/arm64-linux.git
>>
> [..]
>>
>> Anup Patel (4):
>>   lib/raid6: Add log-of-2 table for RAID6 HW requiring disk position
>>   async_tx: Fix DMA_PREP_FENCE usage in do_async_gen_syndrome()
>>   dmaengine: Add Broadcom SBA RAID driver
>>   dt-bindings: Add DT bindings document for Broadcom SBA RAID driver
>
> For the dmaengine and async_tx changes:
>
> Acked-by: Dan Williams <dan.j.williams@...el.com>
>

Thanks Dan ...

Regards,
Anup