From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1ME4vC-0001u6-Vx for qemu-devel@nongnu.org; Tue, 09 Jun 2009 13:15:39 -0400 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1ME4v8-0001lF-2X for qemu-devel@nongnu.org; Tue, 09 Jun 2009 13:15:38 -0400 Received: from [199.232.76.173] (port=58982 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1ME4v7-0001jQ-QM for qemu-devel@nongnu.org; Tue, 09 Jun 2009 13:15:33 -0400 Received: from gecko.sbs.de ([194.138.37.40]:19040) by monty-python.gnu.org with esmtps (TLS-1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.60) (envelope-from ) id 1ME4v5-00076C-2V for qemu-devel@nongnu.org; Tue, 09 Jun 2009 13:15:31 -0400 Message-ID: <4A2E98AD.2090904@siemens.com> Date: Tue, 09 Jun 2009 19:15:25 +0200 From: Jan Kiszka MIME-Version: 1.0 References: <1244565768-9103-1-git-send-email-amit.shah@redhat.com> <1244565768-9103-2-git-send-email-amit.shah@redhat.com> <1244565768-9103-3-git-send-email-amit.shah@redhat.com> <1244565768-9103-4-git-send-email-amit.shah@redhat.com> In-Reply-To: <1244565768-9103-4-git-send-email-amit.shah@redhat.com> Content-Type: text/plain; charset=ISO-8859-15 Content-Transfer-Encoding: 7bit Subject: [Qemu-devel] Re: [PATCH] virtio-serial: PCI device for simple host <-> guest communication List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Amit Shah Cc: qemu-devel@nongnu.org Amit Shah wrote: > This interface presents a char device from which bits can be > sent and read. > > Sample uses for such a device can be obtaining info from the > guest like the file systems used, apps installed, etc. for > offline usage and logged-in users, clipboard copy-paste, etc. > for online usage. Out of curiosity: What is the advantage over instantiating a multiport 16550A PCI card? Will those channels be so performance critical? Jan -- Siemens AG, Corporate Technology, CT SE 2 Corporate Competence Center Embedded Linux