From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 16776C3A589 for ; Thu, 15 Aug 2019 14:15:45 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id D8094206C2 for ; Thu, 15 Aug 2019 14:15:44 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D8094206C2 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:42318 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1hyGXX-0001I7-UN for qemu-devel@archiver.kernel.org; Thu, 15 Aug 2019 10:15:43 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:53007) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1hyGWb-0000jO-Ih for qemu-devel@nongnu.org; Thu, 15 Aug 2019 10:14:51 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hyGWV-0000FX-VD for qemu-devel@nongnu.org; Thu, 15 Aug 2019 10:14:45 -0400 Received: from mx1.redhat.com ([209.132.183.28]:55234) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hyGWV-0000F9-QA for qemu-devel@nongnu.org; Thu, 15 Aug 2019 10:14:39 -0400 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id C4E0211A0E for ; Thu, 15 Aug 2019 14:14:38 +0000 (UTC) Received: from localhost (ovpn-116-207.ams2.redhat.com [10.36.116.207]) by smtp.corp.redhat.com (Postfix) with ESMTP id D9D327DA4A; Thu, 15 Aug 2019 14:14:29 +0000 (UTC) From: Stefan Hajnoczi To: Date: Thu, 15 Aug 2019 15:14:28 +0100 Message-Id: <20190815141428.29080-1-stefanha@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.28]); Thu, 15 Aug 2019 14:14:38 +0000 (UTC) Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PATCH v2] usb: reword -usb command-line option and mention xHCI X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Thomas Huth , "Dr. David Alan Gilbert" , Stefan Hajnoczi , kraxel@redhat.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" The -usb section of the man page is not very clear on what exactly -usb does and fails to mention xHCI as a modern alternative (-device nec-usb-xhci). Signed-off-by: Stefan Hajnoczi --- v2: * Use @option{-device ...} [Thomas] * Suggest qemu-xhci instead of nec-usb-xhci [Thomas and David] --- qemu-options.hx | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/qemu-options.hx b/qemu-options.hx index 9621e934c0..1fb362f06f 100644 --- a/qemu-options.hx +++ b/qemu-options.hx @@ -1436,12 +1436,15 @@ STEXI ETEXI =20 DEF("usb", 0, QEMU_OPTION_usb, - "-usb enable the USB driver (if it is not used by default= yet)\n", + "-usb enable on-board USB host controller (if not enabled= by default)\n", QEMU_ARCH_ALL) STEXI @item -usb @findex -usb -Enable the USB driver (if it is not used by default yet). +Enable USB emulation on machine types with an on-board USB host controll= er (if +not enabled by default). Note that on-board USB host controllers may no= t +support USB 3.0. In this case @option{-device qemu-xhci} can be used in= stead +on machines with PCI. ETEXI =20 DEF("usbdevice", HAS_ARG, QEMU_OPTION_usbdevice, --=20 2.21.0