From mboxrd@z Thu Jan 1 00:00:00 1970 From: Juergen Gross Subject: Re: [PATCH V2 0/4] Add XEN pvSCSI support Date: Sat, 26 Jul 2014 09:28:55 +0200 Message-ID: <53D358B7.6050706@suse.com> References: <1406288253-13293-1-git-send-email-jgross@suse.com> <20140725173833.GE11179@laptop.dumpdata.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20140725173833.GE11179@laptop.dumpdata.com> Sender: target-devel-owner@vger.kernel.org To: Konrad Rzeszutek Wilk Cc: xen-devel@lists.xen.org, linux-scsi@vger.kernel.org, JBottomley@parallels.com, target-devel@vger.kernel.org List-Id: linux-scsi@vger.kernel.org On 07/25/2014 07:38 PM, Konrad Rzeszutek Wilk wrote: > On Fri, Jul 25, 2014 at 01:37:29PM +0200, jgross@suse.com wrote: >> This series adds XEN pvSCSI support. With pvSCSI it is possible to use physical >> SCSI devices from a XEN domain. >> >> The support consists of a backend in the privileged Domain-0 doing the real >> I/O and a frontend in the unprivileged domU passing I/O-requests to the backend. >> > > About the question that Christopher Hellwig asked - was that ever answered? Sure. That's the first item under "Changes in V2". > >> The code is taken (and adapted) from the original pvSCSI implementation done >> for Linux 2.6 in 2008 by Fujitsu. >> >> [PATCH V2 1/4] Add XEN pvSCSI protocol description >> [PATCH V2 2/4] Introduce xen-scsifront module >> [PATCH V2 3/4] Introduce XEN scsiback module >> [PATCH V2 4/4] add xen pvscsi maintainer >> >> Changes in V2: >> - use core target infrastructure by backend instead of pure SCSI passthrough >> - add support for larger SG lists by putting them in grant page(s) >> - add command abort capability >