From: Anup Patel <anup.patel@broadcom.com>
Subject: Re: [PATCH v6 0/4] Broadcom SBA RAID support
Date: Wed, 15 Mar 2017 13:32:35 +0530
Message-ID: <CAALAos_mHHinewskm_C1SrKOi3e=60ERSuMe=PBFwQeMv6anNw@mail.gmail.com>
References: <1488793408-25592-1-git-send-email-anup.patel@broadcom.com>
 <CAPcyv4hGGbhF-g8B__9=rsP+QwR6RBi=WqALLgABNb1M4D3rBw@mail.gmail.com> <20170314184806.o2oykhztje3obwot@kernel.org>
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Cc: Dan Williams <dan.j.williams@intel.com>,
        Vinod Koul <vinod.koul@intel.com>,
        Rob Herring <robh+dt@kernel.org>,
        Mark Rutland <mark.rutland@arm.com>,
        Herbert Xu <herbert@gondor.apana.org.au>,
        "David S . Miller" <davem@davemloft.net>,
        Jassi Brar <jassisinghbrar@gmail.com>,
        Ray Jui <rjui@broadcom.com>,
        Scott Branden <sbranden@broadcom.com>,
        Jon Mason <jonmason@broadcom.com>,
        Rob Rice <rob.rice@broadcom.com>,
        BCM Kernel Feedback <bcm-kernel-feedback-list@broadcom.com>,
        "dmaengine@vger.kernel.org" <dmaengine@vger.kernel.org>,
        Device Tree <devicetree@vger.kernel.org>,
        "linux-arm-kernel@lists.infradead.org"
        <linux-arm-kernel@lists.infradead.org>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        linux-crypto@vger.kernel.org,
        linux-raid <
To: Shaohua Li <shli@kernel.org>
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On Wed, Mar 15, 2017 at 12:18 AM, Shaohua Li <shli@kernel.org> wrote:
> On Tue, Mar 14, 2017 at 09:56:35AM -0700, Dan Williams wrote:
>> On Mon, Mar 6, 2017 at 1:43 AM, Anup Patel <anup.patel@broadcom.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@intel.com>
>>
>> The raid change should get an ack from Shaohua.
>
> For the raid6 part:
>
> Acked-by: Shaohua Li <shli@fb.com>

Thanks Shaohua ...

Regards,
Anup