From nobody Fri Apr 19 07:57:21 2024 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=redhat.com ARC-Seal: i=1; a=rsa-sha256; t=1565703096; cv=none; d=zoho.com; s=zohoarc; b=XNdykyFMtVE9PxU2pGkEmKRmOTmncsLF949aMPMG5qN+Wd4bLov0jxiuAO4MH6NFpza6uPdQHwxQEsZgd5uqXkr2JOjWbtQfzIIyMjqiZryLsSAiaeHCGhy+hwsvJvh2e9nxcVqnHt2Dyv3vVXqgieap7IYF8x9YhdZLNMVuZCU= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1565703096; h=Content-Transfer-Encoding:Cc:Date:From:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:Sender:Subject:To:ARC-Authentication-Results; bh=N/okDxAgb7zraAF/tKHiTdsTj22dw2CYiCkBs3E6S7Q=; b=ZLc9AamV/y1aTKA3UDoMUoq39wVJxyxSHRbAL4nme51PFPuiGk+PMhZVV/OKWWvGuqdD4mB0JFcAvoRGeZrfeE3mJGVg7tPI0IbNX+tAy9g7jMhmFsVWzmaOos1ekkf0wikGLMlWOJ/OY3OAXpNX2nZDEFq5dK1hm5gvKbK7Hgo= ARC-Authentication-Results: i=1; mx.zoho.com; spf=pass (zoho.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1565703096777154.36159568685957; Tue, 13 Aug 2019 06:31:36 -0700 (PDT) Received: from localhost ([::1]:52444 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hxWtj-0000Lu-Rb for importer@patchew.org; Tue, 13 Aug 2019 09:31:35 -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+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="utf-8" 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 Reviewed-by: Thomas Huth --- 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 y= et)\n", + "-usb enable on-board USB host controller (if not enabled b= y 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 controller= (if +not enabled by default). Note that on-board USB host controllers may not +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