From mboxrd@z Thu Jan 1 00:00:00 1970 From: Akio Takebe Subject: [Q] Is qemu used when we use VTd? Date: Thu, 11 Sep 2008 19:46:10 +0900 Message-ID: <48C8F6F2.20305@jp.fujitsu.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-2022-JP Content-Transfer-Encoding: 7bit Return-path: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: xen-devel@lists.xensource.com List-Id: xen-devel@lists.xenproject.org Hi, If we assign a device to HVM guest, HVM guest can do directry DMA transfer. But how about accessing pci configuration register of the pass through device? Do we still access pci configuration register through qemu? Best Regards, Akio Takebe