From mboxrd@z Thu Jan 1 00:00:00 1970 From: vinod.koul@intel.com (Vinod Koul) Date: Tue, 16 May 2017 10:02:40 +0530 Subject: [PATCH v8 0/4] Broadcom SBA RAID support In-Reply-To: <1494824695-21797-1-git-send-email-anup.patel@broadcom.com> References: <1494824695-21797-1-git-send-email-anup.patel@broadcom.com> Message-ID: <20170516043239.GH15061@localhost> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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