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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id EADA5CA1014 for ; Wed, 3 Sep 2025 20:20:53 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1uttxj-0003aV-WF; Wed, 03 Sep 2025 16:20:13 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1uttxW-0003WC-0j for qemu-devel@nongnu.org; Wed, 03 Sep 2025 16:19:58 -0400 Received: from mx0a-002c1b01.pphosted.com ([148.163.151.68]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1uttxS-0005Gj-Sr for qemu-devel@nongnu.org; Wed, 03 Sep 2025 16:19:57 -0400 Received: from pps.filterd (m0127837.ppops.net [127.0.0.1]) by mx0a-002c1b01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 583H4PrR3647093; Wed, 3 Sep 2025 13:19:45 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nutanix.com; h= cc:content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to; s= proofpoint20171006; bh=glhPYFGUuJJjPzAqyIzGTxHQvhlyLPJTZAKN8zeq0 Gw=; b=z/MsNUMhjOopkDPwNOjEv6WeXUHgLuPbS5ADmcOZFOsLKYDDkFxUag5wk QiSGr5KPcOetVji1Qyn6KtC7KmuADY34IsiwLRvnUqKjqlQRKz2Xp2Twah5a+Mz6 yHaBZoe8qK+9NdpAnSKLfobf15TBZhM4+H5b/yIwU5ecQSyL1rcfJ8nhpGfdk2J1 jqt6/Bp2sqJJG2oCneU/pV84oet3nimIKA+vcTVRD4AKoBLvcuoQRpGgAlKIFRxr 6Eq32psXHl5MZAUvXIaRzm6JZonSi45epGB7KIlsjEsZvwxIqLbLnbnf++X9PmHd V8p5OZ8JXHvVhCXSl/lu6ZZ7NGAhg== Received: from nam11-bn8-obe.outbound.protection.outlook.com (mail-bn8nam11on2132.outbound.protection.outlook.com [40.107.236.132]) by mx0a-002c1b01.pphosted.com (PPS) with ESMTPS id 48xsrn0dm0-1 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=NOT); Wed, 03 Sep 2025 13:19:45 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=eUE/hUf63LMGIQJG2ienzPisnE4D84ywrpKZAYO07c4T3abomYAe1H3zAiWj/UBPydgceRu+hsa5/R9/+PK/edJFn381whMG1znitxS0Ry/ttW1hdBMRF8ZNskg8RzAvpwiu9W5riqRUv8QG4roNtDtV3Il6iB16BJc2gwUCrrBLU8LZP+q8xIsSgtL+a3+Yjgf0GQUPBbD8/7soHeRwXjBkCd+s6ExcmVU43cl/tb+jrHAXaqMvS0h7/jK2CvwBW1hF8qczc76dK3GEUm3W91w28+DRthFGLP288Zq5hVTjD92eHv1e9q75Y8/7iDFGF8zKhVuS2RHts6HWTkPaCg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector10001; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=glhPYFGUuJJjPzAqyIzGTxHQvhlyLPJTZAKN8zeq0Gw=; b=R/BhmBR+vSc2uQwVRSMdQhLitF8ltzFGmhmYLo38bj5jiLLDc97LnL7IfudHE8UvN73Byp12DcpXVaUGLLZf2aJouGB9MQcH2sLjpl2ibrgzNLJAIOGfxo18CvdA5c63xq8KYJ5V4PWDMKCvpszmcO/9tXaUmv7c4F54lfV8tCh+qL9e0jViMbaeOx+uZxChyrzMUl6scCPYE4XfkyIkHgw/agRGxa47hbNJfLmO8kA1/3sQoa8UgJaGZXYTXtiUe6AzcEf/+Y6llsEhXSWIqNyGPWC2NdNkQDD3F4as8ShNjqM+4zu1KBPA5y2nn3W7GkHpe4vXphza3SFplVgJBg== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=nutanix.com; dmarc=pass action=none header.from=nutanix.com; dkim=pass header.d=nutanix.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nutanix.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=glhPYFGUuJJjPzAqyIzGTxHQvhlyLPJTZAKN8zeq0Gw=; b=bzxFBWGwHP92bfx8WTEUrw4edOTxUnnQtaTaQOCmlfdJG4qct0CevZ1kCBAG2ttDBwhIfifuNR8NBrpR2X9W0v+WmkKKXXTd48hkQGua7slSfKK35anwxjD48gLnggVxkSnJ8BDj09X0NBXV/NJ10ir03XFCK0n70BeZw5LWsYbKnPk92E1XKJ5YhXmwSE9OfKRg9qJXFqQlS772++UZk9H30Olg0IPNyoV2NkOP9gmZ1mHMKyx+dkKPmmwAZpUXYpOjjOrtCelNV9TpsZ9tznCwAkGgr6cxOEz4AgkkCwM6Aak3nfcEwYflNZBGkWqhWN69WNozgI7lvnHJ/hU9wA== Received: from CH2PR02MB6760.namprd02.prod.outlook.com (2603:10b6:610:7f::9) by CH0PR02MB8133.namprd02.prod.outlook.com (2603:10b6:610:10a::23) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9094.17; Wed, 3 Sep 2025 20:19:43 +0000 Received: from CH2PR02MB6760.namprd02.prod.outlook.com ([fe80::fd77:ea65:a159:ef51]) by CH2PR02MB6760.namprd02.prod.outlook.com ([fe80::fd77:ea65:a159:ef51%7]) with mapi id 15.20.9094.016; Wed, 3 Sep 2025 20:19:43 +0000 From: John Levon To: qemu-devel@nongnu.org Cc: =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= , Thanos Makatos , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= , Thomas Huth , Zhao Liu , John Levon , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Paolo Bonzini , Mark Cave-Ayland Subject: [PATCH v4 3/3] tests/functional: add a vfio-user smoke test Date: Wed, 3 Sep 2025 22:19:31 +0200 Message-ID: <20250903201931.168317-4-john.levon@nutanix.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250903201931.168317-1-john.levon@nutanix.com> References: <20250903201931.168317-1-john.levon@nutanix.com> Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ClientProxiedBy: AS4P195CA0025.EURP195.PROD.OUTLOOK.COM (2603:10a6:20b:5d6::20) To CH2PR02MB6760.namprd02.prod.outlook.com (2603:10b6:610:7f::9) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CH2PR02MB6760:EE_|CH0PR02MB8133:EE_ X-MS-Office365-Filtering-Correlation-Id: d4bad6fd-e5b0-4cfc-9951-08ddeb273823 x-proofpoint-crosstenant: true X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|366016|1800799024; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?+XUPQ5K+TlvTNcuqvHWkCNQAoFAejfTIQSVDK9UUVfasIVUsnrplNj8o0kQX?= =?us-ascii?Q?Pkupmegm5cvrL3uKURiw71QuSy9MHI6UF+/F8nVq8UM85E9R1ZbgPPAIaaQ9?= =?us-ascii?Q?K0FxZ6Ae23fwjdwCTov11y18ITpUU+R1RabNE7ERWFUeGJ8zvDv26G2Z7t90?= =?us-ascii?Q?zL8FTVFHfIj2hr6HT+GGeWsHL5nqbLWc7ohdq4Smy/ZdqFTc0VdStSULomUX?= =?us-ascii?Q?beEJ68AKKb6Sr6MlniCkijoIzpHN2Y4Wucuirp3+S19IgaVbLH7oF0aXRT0y?= =?us-ascii?Q?gpGGSAL53P6rnndBCOH0bQfJ9U2hxjHnes+RPwK45AN3JvB09kb1qiJjwIGf?= =?us-ascii?Q?QiwrtGqwDiOPeLAHVxZAdHPpvIShG4kwWUOFdAp8AzHYOTd3C5zjJJcanH8L?= =?us-ascii?Q?a/ULhAFlHouEJjEgW4qMnyWASxsgTHhbEa0mKZG+lWwUzJIg+K7kfTVGay0c?= =?us-ascii?Q?HH4uGCuulitIAVuj5vMzdpUZBqFeYUv9VTEEJUn1dzCbcTC+UkLGrq4afc4e?= =?us-ascii?Q?oKLjRMbiZQT7lY7rPKK0o2Wcbt8zYuGuhDidS/ebeHD5W1kbmdq1l1F9LJdI?= =?us-ascii?Q?huYruzi6Cv+ERI+4uANLqWHcyVOrnpxwxoStDqK+3/nUKOS/I3sV+lX/jg/V?= =?us-ascii?Q?6m8b74BeFajULwzcgch4Ll6E7pxbJF3Uet1aB54wL0VQ9rJvMl27hNKX59hO?= =?us-ascii?Q?1Ns0luy64iMFq8I1sRlGK6gOCmxDjgmuJSxXQdvOGQgfWEumOaCEbSBu/NCw?= =?us-ascii?Q?7IA2KLATO+K9wM8aIKK4g5mQre1SsB3nzmbzmup5V0A833ywUgdkz0g2nTVs?= =?us-ascii?Q?KTyejieV6I7buTh7MpcyenOcsEwjnC2zQz1mZl4y8gv9obFYZvzIdmGMMIuS?= =?us-ascii?Q?DWr/kj/Ms5aXy/QCUHzmi1AQW5wcgZq1nCYmhOQHMapX6LmAIuzV31ZCmV+x?= =?us-ascii?Q?vvJQPcuK0G2Tc4OnAh57TWZqizaCEyx4kDxpRfpNmQol6S9hNC6ES+VoXB1d?= =?us-ascii?Q?w9/+vMn8zDhpFxwDP3xra+QdUzUuIp96MVWAXd9j5xPESi0y86yg6ynuQnfK?= =?us-ascii?Q?w//FQYp+Txms8RuEG8TrF+Oizuj+Bm2l6SGExBV2ZEXfyNll6CcHNu8WAI7a?= =?us-ascii?Q?h9JsQlqIzb3a0YhXpppvQYvvn7SyHHJtnNY8AfV/e2oYIhhSrDi4g85nyA52?= =?us-ascii?Q?ExBMvnh6ZAXZrKL1rzGNL1v7xs7+IDYkuE+FyxEv7T4vfOLTLzuVdNR26tg6?= =?us-ascii?Q?8t/3WdLtz3HZ1+TunuGnQWAKvAX4IdbVSopq2aDjqMBnY3tO8DJovnl1WHwV?= =?us-ascii?Q?7oPBLbGaN6X/sFaEkPRNJfqgVtaK/LAana1yBCR66KSfN9EKp4o4z8DmLhC3?= =?us-ascii?Q?gpwXxs999lIsDjujGWndUEv1ruBvIKCwB9TEQRHrZvxWPvib8fjZV2tRScX6?= =?us-ascii?Q?ndrMZjnlFMU=3D?= X-Forefront-Antispam-Report: CIP:255.255.255.255; CTRY:; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:CH2PR02MB6760.namprd02.prod.outlook.com; PTR:; CAT:NONE; SFS:(13230040)(376014)(366016)(1800799024); DIR:OUT; SFP:1102; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?ToggJ2xY+9zPEYbIkZj5WkTs32bZ/p3Zx74E9d3RdHyq/go1B0ELUmUcJwZ/?= =?us-ascii?Q?L5xBDCd03dIEDgyIMDxf8AsOgMgkdC9MxOsrOC/16tqS4XUDEiTS0sFAhsLl?= =?us-ascii?Q?4kMRnvQM8AVjgxh+7pc90lQQFbtrKOCuuYM7iWz3A0XM139tI6PaEY6KFTsT?= =?us-ascii?Q?kF3ayvhkRGOojln/WDbHMILNGRJNoWh1IgVbSsWGC6vq/uaUfC5m+M7vIZSK?= =?us-ascii?Q?oEZ7d8VOMxbfQeLphOb2RNKpKSYmBLCVTKWpfqHyg0z2YBVemjhyQmG245Ic?= =?us-ascii?Q?vKNPYbv82qjFX6Z7jXFDi5HG0CB/+o9c8b1AdKKLP/75XAH+I+qq8NrJszRy?= =?us-ascii?Q?XsamV2nPy1gr46c3FtAueJ9z12lG4WBR7zf2WMscJe9YHZAQC0xztaCY8JBO?= =?us-ascii?Q?z6juxVFCEp50niV/o5HK6g9bt5Aqb5zhpTM0Q0A1sPTnlEap4ZtBhT0PsULi?= =?us-ascii?Q?IMbIbq+S8YokL8Yb2pWceQBG1V/GB/GJ3/mzaeheGCtBYc/nu3mMarcwdmys?= =?us-ascii?Q?YiKs63+LpzWLP0bGfyHK3glbhsnaW0i5Tyi2/fwwg1QNIbfMo+3fxWuQFS3x?= =?us-ascii?Q?1+HZNkC5/uJnOIcHQDBftP4eugcwp0dXSP3SAo5ZXxvNzorJ7yNdQiYNgREh?= =?us-ascii?Q?eh/B/FrAq0QtVuE1/jAO/ZC6dfkRH7rnpU5JKaYS9F7spUKWyNXi9Rp1sT9s?= =?us-ascii?Q?13WeJupFBzCISYRctTY2pNTBju92YJfiYHUM0tYYlslp7RK3Idz0AOmUtYGZ?= =?us-ascii?Q?j8njKxirf2P/F3x54HVi3cheo4sGojZGp9R3WitTr0KBS5k7RDq1F7juAAM9?= =?us-ascii?Q?BbDyNjBdF+ZZ88eucE5Gw4vwaWT4EDZsjCgqDJ2jEuaLTsjvaYP6DQaba1pH?= =?us-ascii?Q?7Sqk68b8DUCMr7/TmkQVRDdNudm/DzaIinbF4DapxX6QQiWi2KHT0Q5w5DNE?= =?us-ascii?Q?TDOdMLvAwVaFa3FPQbNXlJKhb10WhQOC1ra+l5Dn8OJmpxUE5XRLDmXztlpA?= =?us-ascii?Q?gm1CV7bfUUKUnZCCq9M8PKhZ2Kkiozh+0Q4IPHEB/5YY0WjOjxQSUEjMqWWP?= =?us-ascii?Q?OGlYRMT7UpX6IxBQsYBSKeuRM2cEZ1cHymd1zqGvmH2QzQ32uNKT5agGFJ39?= =?us-ascii?Q?gbZmNTmJVnW9hk0yCgV2JBzj78lYf2DSM8c0HwQW11G11+X66g0kU4dh8RTl?= =?us-ascii?Q?wUuyrNGSZo83MxA7FQ3Ebub9yd7xM/UVm47mXR9F3lhL9ygSL3LTF68PZ7L9?= =?us-ascii?Q?/c7RLrA/KVX0vDJBK2mYrNamcIIqtZpQ22ZayQlb3XVQ0khk807+87dBbUsO?= =?us-ascii?Q?WWQAiKR9fsgGY71i8G/RqcTEOkSYr5aCsuq6CEjOafobeiBUvJTpAd9wujmQ?= =?us-ascii?Q?ypN9IcJI74YgkbCNu8aLPQNgcqwbz1LkpLSdipnCgd29bhahvyhLbtGQCbwi?= =?us-ascii?Q?l6eBt7+rXpXi13jGKR8ky2Zd4ZOdKDDer6PXUgA5TeWVZjIr2CLbg2Kfo5/e?= =?us-ascii?Q?tB8PQmloaFdAVtjOL1lfA2PdnBeJClrZqrJ6hbsxHH9T4uwdKfQTJ4m0rA/A?= =?us-ascii?Q?EHQd8B6VZFWXwjSjaUmDNtU7uF2e7a1+A826PRAD?= X-OriginatorOrg: nutanix.com X-MS-Exchange-CrossTenant-Network-Message-Id: d4bad6fd-e5b0-4cfc-9951-08ddeb273823 X-MS-Exchange-CrossTenant-AuthSource: CH2PR02MB6760.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 03 Sep 2025 20:19:43.6109 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: bb047546-786f-4de1-bd75-24e5b6f79043 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: 7JKxxxdY1iDuW2SzFILUJiK1duXV4E/5YMrDWEF2ylBNTksobLsIEGJjH9uOTVboHxp0WNs5H2Z02kifX8X6ww== X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH0PR02MB8133 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwOTAzMDIwNCBTYWx0ZWRfX7PvHIgC2NLgT hzwEEd3BRE13+01CN1aNEcclay/drBcmkVRCbQyZCPPx2qain6q7CU3F1Y/qa0QLku2J3Bn34r9 QMPJrxqHmD3ej4wTJ6YjqXA8Fj8XgC2Rl/6qOx8sGmwZ5KZyTAlScWipp3qoKxUz5XKglWhSNIl RLN/bKlp/m7PqIF1RByK6YbgHrNyrbqoROaMTDLyXAFJ+icHQ1I2/U9Rqzq6LbuPqgVdQOjiZ3L OzG4BB3287gxF4sLotsD+a0sVLfu5OAHcUYAU9qWDs0iipCIgPgbtWmP6EefkM5z/dq40I5MF53 MYSwGUdQNmNkBqwSSEe9irPQU08FGzzEAgGrBjTN5oX/ooNUXvh68nk9GPZlAQ= X-Authority-Analysis: v=2.4 cv=d+L1yQjE c=1 sm=1 tr=0 ts=68b8a2e1 cx=c_pps a=lf5jeAKrdlMBwfqj0N7mMw==:117 a=6eWqkTHjU83fiwn7nKZWdM+Sl24=:19 a=z/mQ4Ysz8XfWz/Q5cLBRGdckG28=:19 a=lCpzRmAYbLLaTzLvsPZ7Mbvzbb8=:19 a=wKuvFiaSGQ0qltdbU6+NXLB8nM8=:19 a=Ol13hO9ccFRV9qXi2t6ftBPywas=:19 a=xqWC_Br6kY4A:10 a=yJojWOMRYYMA:10 a=0kUYKlekyDsA:10 a=NEAV23lmAAAA:8 a=64Cc0HZtAAAA:8 a=20KFwNOVAAAA:8 a=Qao5vpg7bkeMYIVlSYQA:9 X-Proofpoint-GUID: TCQUs6FhqrkAdPW-sDWQh0Wwws9phBRm X-Proofpoint-ORIG-GUID: TCQUs6FhqrkAdPW-sDWQh0Wwws9phBRm X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1117,Hydra:6.1.9,FMLib:17.12.80.40 definitions=2025-09-03_10,2025-08-28_01,2025-03-28_01 X-Proofpoint-Spam-Reason: safe Received-SPF: pass client-ip=148.163.151.68; envelope-from=john.levon@nutanix.com; helo=mx0a-002c1b01.pphosted.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org From: Mark Cave-Ayland Add a basic test of the vfio-user PCI client implementation. Co-authored-by: John Levon Signed-off-by: Mark Cave-Ayland Signed-off-by: John Levon --- MAINTAINERS | 1 + tests/functional/x86_64/meson.build | 1 + .../x86_64/test_vfio_user_client.py | 207 ++++++++++++++++++ 3 files changed, 209 insertions(+) create mode 100755 tests/functional/x86_64/test_vfio_user_client.py diff --git a/MAINTAINERS b/MAINTAINERS index 1ae28e8804..9987ac8a4d 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -4305,6 +4305,7 @@ F: docs/system/devices/vfio-user.rst F: hw/vfio-user/* F: include/hw/vfio-user/* F: subprojects/libvfio-user +F: tests/functional/x86_64/test_vfio_user_client.py EBPF: M: Jason Wang diff --git a/tests/functional/x86_64/meson.build b/tests/functional/x86_64/meson.build index d0b4667bb8..eed1936976 100644 --- a/tests/functional/x86_64/meson.build +++ b/tests/functional/x86_64/meson.build @@ -31,6 +31,7 @@ tests_x86_64_system_thorough = [ 'replay', 'reverse_debug', 'tuxrun', + 'vfio_user_client', 'virtio_balloon', 'virtio_gpu', ] diff --git a/tests/functional/x86_64/test_vfio_user_client.py b/tests/functional/x86_64/test_vfio_user_client.py new file mode 100755 index 0000000000..a9cb2f4621 --- /dev/null +++ b/tests/functional/x86_64/test_vfio_user_client.py @@ -0,0 +1,207 @@ +#!/usr/bin/env python3 +# +# Copyright (c) 2025 Nutanix, Inc. +# +# Author: +# Mark Cave-Ayland +# John Levon +# +# SPDX-License-Identifier: GPL-2.0-or-later +""" +Check basic vfio-user-pci client functionality. The test starts two VMs: + + - the server VM runs the libvfio-user "gpio" example server inside it, + piping vfio-user traffic between a local UNIX socket and a virtio-serial + port. On the host, the virtio-serial port is backed by a local socket. + + - the client VM loads the gpio-pci-idio-16 kernel module, with the + vfio-user client connecting to the above local UNIX socket. + +This way, we don't depend on trying to run a vfio-user server on the host +itself. + +Once both VMs are running, we run some basic configuration on the gpio device +and verify that the server is logging the expected out. As this is consistent +given the same VM images, we just do a simple direct comparison. +""" + +import difflib +import logging +import os +import re +import select +import shutil +import socket +import subprocess +import time + +from qemu_test import Asset +from qemu_test import QemuSystemTest +from qemu_test import exec_command +from qemu_test import exec_command_and_wait_for_pattern +from qemu_test import wait_for_console_pattern + +# Exact output can vary, so we just sample for some expected lines. +EXPECTED_SERVER_LINES = [ + "gpio: adding DMA region [0, 0xc0000) offset=0 flags=0x3", + "gpio: devinfo flags 0x3, num_regions 9, num_irqs 5", + "gpio: region_info[0] offset 0 flags 0 size 0 argsz 32", + "gpio: region_info[1] offset 0 flags 0 size 0 argsz 32", + "gpio: region_info[2] offset 0 flags 0x3 size 256 argsz 32", + "gpio: region_info[3] offset 0 flags 0 size 0 argsz 32", + "gpio: region_info[4] offset 0 flags 0 size 0 argsz 32", + "gpio: region_info[5] offset 0 flags 0 size 0 argsz 32", + "gpio: region_info[7] offset 0 flags 0x3 size 256 argsz 32", + "gpio: region7: read 256 bytes at 0", + "gpio: region7: read 0 from (0x30:4)", + "gpio: cleared EROM", + "gpio: I/O space enabled", + "gpio: memory space enabled", + "gpio: SERR# enabled", + "gpio: region7: wrote 0x103 to (0x4:2)", + "gpio: I/O space enabled", + "gpio: memory space enabled", +] + +class VfioUserClient(QemuSystemTest): + + ASSET_REPO = 'https://github.com/mcayland-ntx/libvfio-user-test' + + ASSET_KERNEL = Asset( + f'{ASSET_REPO}/raw/refs/heads/main/images/bzImage', + '40292fa6ce95d516e26bccf5974e138d0db65a6de0bc540cabae060fe9dea605' + ) + + ASSET_ROOTFS = Asset( + f'{ASSET_REPO}/raw/refs/heads/main/images/rootfs.ext2', + 'e1e3abae8aebb8e6e77f08b1c531caeacf46250c94c815655c6bbea59fc3d1c1' + ) + + + def prepare_images(self): + """Set up the images for the VMs.""" + self.kernel_path = self.ASSET_KERNEL.fetch() + rootfs_path = self.ASSET_ROOTFS.fetch() + + self.server_rootfs_path = self.scratch_file('server.ext2') + shutil.copy(rootfs_path, self.server_rootfs_path) + os.chmod(self.server_rootfs_path, 0o600) + self.client_rootfs_path = self.scratch_file('client.ext2') + shutil.copy(rootfs_path, self.client_rootfs_path) + os.chmod(self.client_rootfs_path, 0o600) + + def configure_server_vm_args(self, server_vm, sock_path): + """ + Configuration for the server VM. Set up virtio-serial device backed by + the given socket path. + """ + server_vm.add_args('-kernel', self.kernel_path) + server_vm.add_args('-append', 'console=ttyS0 root=/dev/sda') + server_vm.add_args('-drive', + f"file={self.server_rootfs_path},if=ide,format=raw,id=drv0") + server_vm.add_args('-snapshot') + server_vm.add_args('-chardev', + f"socket,id=sock0,path={sock_path},telnet=off,server=on,wait=off") + server_vm.add_args('-device', 'virtio-serial') + server_vm.add_args('-device', + 'virtserialport,chardev=sock0,name=org.fedoraproject.port.0') + + def configure_client_vm_args(self, client_vm, sock_path): + """ + Configuration for the client VM. Point the vfio-user-pci device to the + socket path configured above. + """ + + client_vm.add_args('-kernel', self.kernel_path) + client_vm.add_args('-append', 'console=ttyS0 root=/dev/sda') + client_vm.add_args('-drive', + f'file={self.client_rootfs_path},if=ide,format=raw,id=drv0') + client_vm.add_args('-device', + '{"driver":"vfio-user-pci",' + + '"socket":{"path": "%s", "type": "unix"}}' % sock_path) + + def setup_vfio_user_pci_server(self, server_vm): + """ + Start the libvfio-user server within the server VM, and arrange + for data to shuttle between its socket and the virtio serial port. + """ + wait_for_console_pattern(self, 'login:', None, server_vm) + exec_command_and_wait_for_pattern(self, 'root', '#', None, server_vm) + + exec_command_and_wait_for_pattern(self, + 'gpio-pci-idio-16 -v /tmp/vfio-user.sock >/var/tmp/gpio.out 2>&1 &', + '#', None, server_vm) + # wait for libvfio-user to initialize properly + exec_command_and_wait_for_pattern(self, 'sleep 5', '#', None, server_vm) + exec_command_and_wait_for_pattern(self, + 'socat UNIX-CONNECT:/tmp/vfio-user.sock /dev/vport0p1,ignoreeof ' + + ' &', '#', None, server_vm) + + def test_vfio_user_pci(self): + self.prepare_images() + self.set_machine('pc') + self.require_device('virtio-serial') + self.require_device('vfio-user-pci') + + sock_dir = self.socket_dir() + socket_path = sock_dir.name + '/vfio-user.sock' + socket_path = '/tmp/vfio-user.sock' + + server_vm = self.get_vm(name='server') + server_vm.set_console() + self.configure_server_vm_args(server_vm, socket_path) + + server_vm.launch() + + self.log.debug('starting libvfio-user server') + + self.setup_vfio_user_pci_server(server_vm) + + client_vm = self.get_vm(name="client") + client_vm.set_console() + self.configure_client_vm_args(client_vm, socket_path) + + try: + client_vm.launch() + except: + self.log.error('client VM failed to start, dumping server logs') + exec_command_and_wait_for_pattern(self, 'cat /var/tmp/gpio.out', + '#', None, server_vm) + raise + + self.log.debug('waiting for client VM boot') + + wait_for_console_pattern(self, 'login:', None, client_vm) + exec_command_and_wait_for_pattern(self, 'root', '#', None, client_vm) + + # + # Here, we'd like to actually interact with the gpio device a little + # more as described at: + # + # https://github.com/nutanix/libvfio-user/blob/master/docs/qemu.md + # + # Unfortunately, the buildroot Linux kernel has some undiagnosed issue + # so we don't get /sys/class/gpio. Nonetheless just the basic + # initialization and setup is enough for basic testing of vfio-user. + # + + self.log.debug('collecting libvfio-user server output') + + out = exec_command_and_wait_for_pattern(self, + 'cat /var/tmp/gpio.out', + 'gpio: region2: wrote 0 to (0x1:1)', + None, server_vm) + + pattern = re.compile(r'^gpio:') + + gpio_server_out = [s for s in out.decode().splitlines() + if pattern.search(s)] + + for line in EXPECTED_SERVER_LINES: + if line not in gpio_server_out: + self.log.error(f'Missing server debug line: {line}') + self.fail(False) + + +if __name__ == '__main__': + QemuSystemTest.main() -- 2.43.0