From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wei Liu Subject: Re: grant tables and driver handshaking Date: Thu, 11 Jun 2015 11:43:49 +0100 Message-ID: <20150611104349.GI14606@zion.uk.xensource.com> References: <1429117327-6845-1-git-send-email-lindaj@jma3.com> <556F1C21.2010000@jma3.com> <5578E82B.1010601@jma3.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Z2zxj-00063E-5K for xen-devel@lists.xenproject.org; Thu, 11 Jun 2015 10:43:55 +0000 Content-Disposition: inline In-Reply-To: <5578E82B.1010601@jma3.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: Linda Cc: julien.grall@citrix.com, xen-devel@lists.xenproject.org, Wei Liu , lars.kurth.xen@gmail.com List-Id: xen-devel@lists.xenproject.org On Wed, Jun 10, 2015 at 07:45:15PM -0600, Linda wrote: > Hello all, > I will be writing a xen front and back-end pair for a 9p transport. I > have two areas where I'm still a little more muddled than I'd like to be. > Can anyone please recommend a good article on either grant tables or the > handshaking between the front and back-end drivers, or both? The handshake protocol needs to be designed by you. Generally speaking you need to at least advertise the event channel and grant table references. You also need to advertise other information that you identify as part of the handshake process. There is a wiki page on grant table http://wiki.xenproject.org/wiki/Grant_Table Wei. > I have looked at the code, but could use more verbiage. > Thanks. > > Linda