From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christoph Hellwig Subject: Re: When will Linux support new RAID controllers Date: Wed, 6 Dec 2017 16:00:29 -0800 Message-ID: <20171207000029.GA2725@infradead.org> References: <20171110131937.GA26181@infradead.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: Sender: linux-raid-owner@vger.kernel.org To: "David F." Cc: Dennis Mungai , Christoph Hellwig , "linux-raid@vger.kernel.org" , linux-ide@vger.kernel.org, Dan Williams , linux-nvme@lists.infradead.org List-Id: linux-ide@vger.kernel.org I guess poor Dan got a gag order from the people responsible for this mess at Intel or something, as he's usually quick to reply and very helpful. On Mon, Dec 04, 2017 at 06:01:10PM -0800, David F. wrote: > Hi, > > Any word if the patch is available? > > Is this going mainline anytime soon? > > > On Fri, Nov 10, 2017 at 11:06 AM, David F. wrote: > > A patch would be great. There has been several cases where no option > > to use AHCI mode available, or where a box seller would offer Linux as > > an alternate boot option against Windows in RAID mode (on the mobo) > > but could no longer provide Linux with their systems (without > > additional costs for add-in raid controller). > > > > On Fri, Nov 10, 2017 at 5:31 AM, Dennis Mungai wrote: > >> That feature would be especially important on systems where the > >> BIOS/UEFI environment offers no option to toggle back the AHCI mode. > >> This "RAID" Intel features is also known as "Intel Premium RST mode" > >> on all current Clevo systems, and on such a platform (the Clevo > >> P751DM2-G, marketed by the likes of Schenker and Origin PC) is based > >> on this platform. > >> > >> -Dennis. > >> > >> On 10 November 2017 at 16:19, Christoph Hellwig wrote: > >>> On Thu, Nov 09, 2017 at 10:24:54AM -0800, David F. wrote: > >>>> It seems that Linux will not see any HD on Intel's 100 Series or newer > >>>> chipsets (Z170, etc.) when in RAID mode. (typically these systems > >>>> have M2 NVMe devices ). This is problematic when wanting to use Linux > >>>> on the system without having to disable RAID and when on their with > >>>> Windows. Maybe not a linux-raid issue, but is Linux RAID issue > >>>> within the kernel device support. > >>> > >>> Dan (on Cc) posted some patches to support the awkwared so called > >>> "RAID" mode (it really should be Intel landgrab mode) in the client > >>> chipsets more than a year ago. > >>> > >>> It needed a bit of a rework to be present as a fake PCIe root port > >>> instead of the platform driver magic, so I wonder what happened to > >>> it - Dan any chance to get back to it? > >>> > >>> _______________________________________________ > >>> Linux-nvme mailing list > >>> Linux-nvme@lists.infradead.org > >>> http://lists.infradead.org/mailman/listinfo/linux-nvme > -- > To unsubscribe from this list: send the line "unsubscribe linux-ide" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html ---end quoted text---