From nobody Fri Oct 24 09:33:46 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; 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 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=redhat.com Return-Path: Received: from lists.gnu.org (208.118.235.17 [208.118.235.17]) by mx.zohomail.com with SMTPS id 1519057989423640.4635174928787; Mon, 19 Feb 2018 08:33:09 -0800 (PST) Received: from localhost ([::1]:51129 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1enoND-0004pF-Jl for importer@patchew.org; Mon, 19 Feb 2018 11:33:03 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:42883) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1enoMF-0004VN-0s for qemu-devel@nongnu.org; Mon, 19 Feb 2018 11:32:03 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1enoMC-0005so-De for qemu-devel@nongnu.org; Mon, 19 Feb 2018 11:32:03 -0500 Received: from mx3-rdu2.redhat.com ([66.187.233.73]:47278 helo=mx1.redhat.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1enoMC-0005sW-9X for qemu-devel@nongnu.org; Mon, 19 Feb 2018 11:32:00 -0500 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.rdu2.redhat.com [10.11.54.3]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id BA4B4402314E for ; Mon, 19 Feb 2018 16:31:49 +0000 (UTC) Received: from eukaryote.localdomain (ovpn-117-200.ams2.redhat.com [10.36.117.200]) by smtp.corp.redhat.com (Postfix) with ESMTP id B852D10B0F4D; Mon, 19 Feb 2018 16:31:40 +0000 (UTC) From: Kashyap Chamarthy To: qemu-devel@nongnu.org Date: Mon, 19 Feb 2018 17:31:31 +0100 Message-Id: <20180219163131.31153-1-kchamart@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.78 on 10.11.54.3 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.6]); Mon, 19 Feb 2018 16:31:49 +0000 (UTC) X-Greylist: inspected by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.6]); Mon, 19 Feb 2018 16:31:49 +0000 (UTC) for IP:'10.11.54.3' DOMAIN:'int-mx03.intmail.prod.int.rdu2.redhat.com' HELO:'smtp.corp.redhat.com' FROM:'kchamart@redhat.com' RCPT:'' Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 66.187.233.73 Subject: [Qemu-devel] [PATCH v2] docs: pcie: Spell out machine type needs for PCIe features X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: marcel@redhat.com, Kashyap Chamarthy , mst@redhat.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Type: text/plain; charset="utf-8" PCIe features are available only via the 'q35' machine type for x86 and the 'virt' machine type for AArch64 architecture. Mention that explicitly. Thanks: Daniel Berrang=C3=A9 Signed-off-by: Kashyap Chamarthy Reviewed-by: Daniel P. Berrang=C3=A9 Reviewed-by: Marcel Apfelbaum --- docs/pcie.txt | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/docs/pcie.txt b/docs/pcie.txt index 8d3694970e..89e3502075 100644 --- a/docs/pcie.txt +++ b/docs/pcie.txt @@ -3,8 +3,13 @@ PCI EXPRESS GUIDELINES =20 1. Introduction =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D -The doc proposes best practices on how to use PCI Express/PCI device -in PCI Express based machines and explains the reasoning behind them. +The doc proposes best practices on how to use PCI Express (PCIe) / PCI +devices in PCI Express based machines and explains the reasoning behind +them. + +Note that the PCIe features are available only when using the 'q35' +machine type on x86 architecture and the 'virt' machine type on AArch64. +Other machine types do not use PCIe at this time. =20 The following presentations accompany this document: (1) Q35 overview. --=20 2.13.6