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@xxxxxxxxxxxx> 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@xxxxxxxxx> > > The raid change should get an ack from Shaohua. For the raid6 part: Acked-by: Shaohua Li <shli@xxxxxx>