Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751317AbdCNSsO (ORCPT ); Tue, 14 Mar 2017 14:48:14 -0400 Received: from mail.kernel.org ([198.145.29.136]:43318 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750850AbdCNSsM (ORCPT ); Tue, 14 Mar 2017 14:48:12 -0400 Date: Tue, 14 Mar 2017 11:48:06 -0700 From: Shaohua Li To: Dan Williams Cc: Anup Patel , Vinod Koul , Rob Herring , Mark Rutland , Herbert Xu , "David S . Miller" , Jassi Brar , Ray Jui , Scott Branden , Jon Mason , Rob Rice , BCM Kernel Feedback , "dmaengine@vger.kernel.org" , Device Tree , "linux-arm-kernel@lists.infradead.org" , "linux-kernel@vger.kernel.org" , linux-crypto@vger.kernel.org, linux-raid , Shaohua Li Subject: Re: [PATCH v6 0/4] Broadcom SBA RAID support Message-ID: <20170314184806.o2oykhztje3obwot@kernel.org> References: <1488793408-25592-1-git-send-email-anup.patel@broadcom.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.6.2-neo (2016-08-21) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1561 Lines: 40 On Tue, Mar 14, 2017 at 09:56:35AM -0700, Dan Williams wrote: > On Mon, Mar 6, 2017 at 1:43 AM, 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. > > > > 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 > > The raid change should get an ack from Shaohua. For the raid6 part: Acked-by: Shaohua Li