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 062E4C32757 for ; Tue, 13 Aug 2019 13:31:35 +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 D013420663 for ; Tue, 13 Aug 2019 13:31:34 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D013420663 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]:52444 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hxWti-0000Lu-6G for qemu-devel@archiver.kernel.org; Tue, 13 Aug 2019 09:31:34 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:60107) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hxWt2-0007tb-Ff for qemu-devel@nongnu.org; Tue, 13 Aug 2019 09:30:53 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hxWt1-0003x1-H3 for qemu-devel@nongnu.org; Tue, 13 Aug 2019 09:30:52 -0400 Received: from mx1.redhat.com ([209.132.183.28]:35848) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hxWt1-0003vT-C2 for qemu-devel@nongnu.org; Tue, 13 Aug 2019 09:30:51 -0400 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 40E6B30BCB8C for ; Tue, 13 Aug 2019 13:30:48 +0000 (UTC) Received: from localhost (ovpn-117-191.ams2.redhat.com [10.36.117.191]) by smtp.corp.redhat.com (Postfix) with ESMTP id 27D29891C4; Tue, 13 Aug 2019 13:30:42 +0000 (UTC) From: Stefan Hajnoczi To: qemu-devel@nongnu.org Date: Tue, 13 Aug 2019 14:30:42 +0100 Message-Id: <20190813133042.11683-1-stefanha@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.12 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.49]); Tue, 13 Aug 2019 13:30:48 +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] 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: kraxel@redhat.com, Stefan Hajnoczi 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 --- qemu-options.hx | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/qemu-options.hx b/qemu-options.hx index 9621e934c0..7d11c016d1 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 -device nec-usb-xhci can be used instead = on +machines with PCI. ETEXI =20 DEF("usbdevice", HAS_ARG, QEMU_OPTION_usbdevice, --=20 2.21.0