From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([140.186.70.92]:45396) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QHwqV-0008Ed-1Q for qemu-devel@nongnu.org; Thu, 05 May 2011 07:35:52 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1QHwqT-0001ZX-SA for qemu-devel@nongnu.org; Thu, 05 May 2011 07:35:51 -0400 Received: from mx1.redhat.com ([209.132.183.28]:57320) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QHwqT-0001ZP-K6 for qemu-devel@nongnu.org; Thu, 05 May 2011 07:35:49 -0400 Message-ID: <4DC28B87.5020005@redhat.com> Date: Thu, 05 May 2011 13:35:35 +0200 From: Gerd Hoffmann MIME-Version: 1.0 References: <1301808801-7850-1-git-send-email-bradh@frogmouth.net> In-Reply-To: <1301808801-7850-1-git-send-email-bradh@frogmouth.net> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [PATCH v2 0/4]usb: implement Interface Association Descriptor support List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Brad Hards Cc: qemu-devel@nongnu.org On 04/03/11 07:33, Brad Hards wrote: > These descriptors are covered in Section 9.6.4 of the USB 3.0 spec, > but there is a better description in the Intel IAD whitepaper > (www.usb.org/developers/whitepapers/iadclasscode_r10.pdf). > The implementation basically introduces the concept of a grouped of > interfaces (with an IAD header), and support for sending it to the > device. Queued up in the usb patch queue. thanks, Gerd