From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:45144) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TGlVe-0000nN-EZ for qemu-devel@nongnu.org; Wed, 26 Sep 2012 02:54:15 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1TGlVa-0001IK-Hn for qemu-devel@nongnu.org; Wed, 26 Sep 2012 02:54:14 -0400 Received: from mx1.redhat.com ([209.132.183.28]:55110) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TGlVa-0001IC-9I for qemu-devel@nongnu.org; Wed, 26 Sep 2012 02:54:10 -0400 Message-ID: <5062A68D.2050207@redhat.com> Date: Wed, 26 Sep 2012 08:54:05 +0200 From: Gerd Hoffmann MIME-Version: 1.0 References: <1348486090-21177-1-git-send-email-kraxel@redhat.com> <873925sm6e.fsf@codemonkey.ws> <506249C4.3030900@web.de> In-Reply-To: <506249C4.3030900@web.de> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [PATCH 0/2] add pci-serial device. List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Jan Kiszka Cc: qemu-devel@nongnu.org, Anthony Liguori Hi, >> The only reason I ask is whether this is something we can add >> new features to. I can't think of one off hand, but it can't >> hurt to work this out up front. > > Multiport e.g. (to save PCI slots). There was some proposal > recently to add a model of an real multiport PCI card, just don't > find the mail right now... Easy enough to add. Should be a separate device with its own pci id though. According to the linux source code there seem to be two common ways to implement this: A single, large pci bar where all uarts are mapped one after the other. Or one pci bar for each uart. Now I need to figure which is easier to handle for windows guests ... cheers, Gerd