From nobody Sat Nov 15 16:36:44 2025 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; arc=pass (i=1 dmarc=pass fromdomain=nutanix.com); dmarc=pass(p=none dis=none) header.from=nutanix.com ARC-Seal: i=2; a=rsa-sha256; t=1750340219; cv=pass; d=zohomail.com; s=zohoarc; b=IGjiRMTQNssM6UEpcSgMGTPEok9/LP0oaDuM7yjJciuAqo7RW3mq83RvsNSvKSKtWZ9c3lrRZxFYHx7pDSY7AYU9mpj0BAGeW8WNkai0hhRfxQt31UH8ZVVupMkPKgwlI6T1ilWX6dls6gcYSMypP29kFgXa/eN8fMx6hvRR9pk= ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1750340219; h=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=6RBYi8DRdfFPyblcpIU+rmlgrdPrUkTwUjNnhdmQB9Y=; b=L2UW9H/O323s/W18V1s5AKOjAqBx6PCKVV9Xk3wg9PRgj31oG6lLrmNRGxJpP0B9lhK42o8YX+htgD2Wl7aTu5BOyi/+3o3NdMMbdefljRZuaGzc1+5tfxPYDwm3dW59ZgX16/Y5+X087IIBXb5ALT48Py5BuQ18Wg4zwVcbc+k= ARC-Authentication-Results: i=2; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; arc=pass (i=1 dmarc=pass fromdomain=nutanix.com); dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1750340219723381.80980720785965; Thu, 19 Jun 2025 06:36:59 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1uSFNg-0004GJ-3i; Thu, 19 Jun 2025 09:32:40 -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 1uSFNe-0004FP-Cu for qemu-devel@nongnu.org; Thu, 19 Jun 2025 09:32:38 -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 1uSFNZ-0008EO-0K for qemu-devel@nongnu.org; Thu, 19 Jun 2025 09:32:38 -0400 Received: from pps.filterd (m0127838.ppops.net [127.0.0.1]) by mx0a-002c1b01.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 55J7OixG013270; Thu, 19 Jun 2025 06:32:30 -0700 Received: from byapr05cu005.outbound.protection.outlook.com (mail-westusazon11020091.outbound.protection.outlook.com [52.101.85.91]) by mx0a-002c1b01.pphosted.com (PPS) with ESMTPS id 4798mykwpg-2 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 19 Jun 2025 06:32:29 -0700 (PDT) Received: from CH2PR02MB6760.namprd02.prod.outlook.com (2603:10b6:610:7f::9) by PH0PR02MB9383.namprd02.prod.outlook.com (2603:10b6:510:289::11) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.8835.19; Thu, 19 Jun 2025 13:32:12 +0000 Received: from CH2PR02MB6760.namprd02.prod.outlook.com ([fe80::fd77:ea65:a159:ef51]) by CH2PR02MB6760.namprd02.prod.outlook.com ([fe80::fd77:ea65:a159:ef51%2]) with mapi id 15.20.8857.016; Thu, 19 Jun 2025 13:32:12 +0000 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=6RBYi8DRdfFPyblcpIU+rmlgrdPrUkTwUjNnhdmQB 9Y=; b=ZEiLGuCCMfedubP/tRTLykdVZ4v4c4bFXS5yw5VFSX9S+z9JyNMLdHkAZ 8huYaiPUPCPcs46tni8yXQb97zRFTjxaWZPGO0TMMfq+wsmpx2OiRrGlVXktDngi /sPzfMEm3eQjefYaAEhp/ED7vVwAMX4wrILihzXf9t9wYqgc1qblz5twh+EHaoTZ chsRxTbJNIW8hLAPGwW2UYL6FETraIIb8wT4bUiYDP6/k+WaLd/LZ+7lwbi9Npq2 ASdbGHTl4789tQhi/0Moes4lCDx351YneaGx0cEBZ0+ZzuI5kyDEYDQt8BcjpVmX sFug9gKVzKQTh7BMuqNQ971abtKOA== ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=uAzCmyZyCeGG14/Si1jni9NNL6Xx62e4vPKjW6h5tjT8Z5BiRwa3mBsq1D5Aaz5FwIyLzHP8Ka7vZOxTebmdJH/T17ElQ5QKfCsbdz6Fm3AT9EgpOhNEsQl5745OxtUt9qNAUe/b9Fh2ONQ1OMR0Wj3IMsAlNz9yzgQi15tGbk+6K1K0wD/Bxa4i+bvMUeYjyF7vpVqg5uzD38trmsktCsLmmVP9B/tP2WvHM5oXID8nYs0f9cRbIZDBW5NSClaPMTO4X9J03z3fFyzRN6FZ9ov/Owmd9Id8XCj+w5AhUuX512Dh+xi6JsTQrdDnUIhT/YI/Vu97C1rYg+f6VMycjA== 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=6RBYi8DRdfFPyblcpIU+rmlgrdPrUkTwUjNnhdmQB9Y=; b=tQp1hrPaexD0/nuvWy2E2s76nk8dgePAkR6k+pI9XvAl5bbRaCZkhVpWWbmP+jggwh8rSvl6zyw0wB4MSl3TC6Fey/C85MTCsteQKSLxoc4ltlz7ax8a3KnJDLD9wUofW1VOaqQyFMvKgT0yNSFlItIavWM0SKHsjalV3OvVu+LTXtWsg9pr/iBWkPPN0kxyjVVEgYyNKBd2F4sVdn9gQ+OBCYTIyCpa4Y2205+oc3xhw5me2gTUJgrpc8Q6WyxXYU2mBtVP/C1JWGeNmotRvPqKy2sAmDHGO0g45W0VnTxXHskeNBhxM9IHmKGNSt8KJ5IB+29ySPkNBnTTK3ECag== 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=6RBYi8DRdfFPyblcpIU+rmlgrdPrUkTwUjNnhdmQB9Y=; b=Dw6biigi6awCJt0/tw+hLrzZsLfyiTBg2vFF3wPc80b6EeX7FPmPZo7L5T8vVTWt6br6w/zUiJaWcLJhfVfa2ylQv+rpmC5m/7l3WmytJzqZtS7UCL7j7esdq/x06N7aO9Wznp1tPb9MpkD0Demnnm0ezgQR+IT9jiK1s5qUGmNc+xINced3H0TdY3VCjByfWDFQ0PeCHHBrxKBZ0PMOScrcrcgEP87X/0FQyWRsLGN5DazU6hQlJHsesAURBNUuHZ4qwmlZZo5K7slxFiT0Zxij6oCJcW0iKYMU9Ujz4dn/VsvUxad5+g2BmtYXbxUyFoRkzZCDi3GOPWNa9ctGZw== From: John Levon To: qemu-devel@nongnu.org Cc: Thanos Makatos , =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , John Levon , Alex Williamson , Paolo Bonzini , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= , John Johnson , Elena Ufimtseva , Jagannathan Raman Subject: [PATCH v4 05/19] vfio-user: implement VFIO_USER_DEVICE_GET_INFO Date: Thu, 19 Jun 2025 06:31:39 -0700 Message-ID: <20250619133154.264786-6-john.levon@nutanix.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250619133154.264786-1-john.levon@nutanix.com> References: <20250619133154.264786-1-john.levon@nutanix.com> Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-ClientProxiedBy: LO3P265CA0025.GBRP265.PROD.OUTLOOK.COM (2603:10a6:600:387::6) To CH2PR02MB6760.namprd02.prod.outlook.com (2603:10b6:610:7f::9) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CH2PR02MB6760:EE_|PH0PR02MB9383:EE_ X-MS-Office365-Filtering-Correlation-Id: 6e3a0cb5-2bc2-45c9-f051-08ddaf35b20d x-proofpoint-crosstenant: true X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|376014|7416014|1800799024|366016; X-Microsoft-Antispam-Message-Info: =?utf-8?B?QTUzKzJIbFp3clR6U2htVG56eW9SdHVSUzhxU2Y4QlA0SGFjRDVBMWVtZlNF?= =?utf-8?B?QWh0V202RytnUE92MkRMaGdxOUJ6aGxrRFpRcG1Wc0VOTnFUTTV4eG8xeE1k?= =?utf-8?B?MzZNOFB6d1FpQlZaK05hc2w0UEV4cnYrQkJTNWlzL1R4aDRYSGN0d3Fyamg5?= =?utf-8?B?K1FraWxNWmphOTMxb1pUdjU5a3h2V3ZvKzl2amxYSEFzMytEY3dyOHNvKzdC?= =?utf-8?B?ZW9Qb3dLWUdUdFhWSS9mdVpoeXFJRUEwdm91N1VJRlVKbDBJNzdoVUs2Sm43?= =?utf-8?B?d3paa2dhbDRNUllDN2QvS3B2NXpsY0dGc1NIOVprWE4wdGRpcWFBWldzTkNu?= =?utf-8?B?NTV4L0l6aVRValdsWGRxczJyenlOb09sMlUxeXFWbzZwcm1xMGxSb2ROUnJs?= =?utf-8?B?NkZUaUREZHN0SkxtanpVNk1Md09pbjRiQXkraitPQjY3eUxpSUs3RnhkOHdO?= =?utf-8?B?c2NuamlrRWJQWnBEby9XMDN0bGY1dS81Q0NwRDA3UFpQU3lnb2t6Ui9MYWd6?= =?utf-8?B?KzUwdERobUxmdjVLbTJKemtqQlZUMkg1ZmxCam00V1E0WExFdU1DQnIxblhh?= =?utf-8?B?cWZvMXNEbStkeURRMnVjeVZ6SzEreS9GNmFyZjA0bVc0bEF1VkhwTExDUitO?= =?utf-8?B?NlZ3bWZhekcwUHdpQlZ1ZlFIUWExZ0NPZ2ZNREl4eDBiOGZCdTNoVStJVnB6?= =?utf-8?B?YTd6MW5rZkxkTVVxOVY2THR6Umh6TWRPYXA1NGtteFFSelFIOVdRa01nRUh5?= =?utf-8?B?dlZyeHMwWWwva0hIOGc2RDllMEpBRzFLdjRhRTZ0Wm41UVU3c01TaU4zT2tV?= =?utf-8?B?QjVQdGFWS0FNZXFsakVrbUdSM2U1aEZlRGhsTHNhYkpESlZHM2JtWExEdVNs?= =?utf-8?B?TFhVd0szVyttaVB1QzVwNkx4TThjQXIyeUlqdmw5TWtsbDBuQjBaSU1TeGZO?= =?utf-8?B?cmdFNzhTaE5KZ1NrV1o3MFVqSHVvQU5ya3V5YmNhWUxmdFFDT083d2FTVWxC?= =?utf-8?B?eHVPcmRBbDVNRVkyY2N1UlZzYXFjemo1VnZrc3FDZWZ5RytIbDNYalhERTIw?= =?utf-8?B?YTkyWDA2NE5GSC9US1dmT0tKZE1WbEx5L2JwUWdZTllOdlhEVjJHZ1IremNp?= =?utf-8?B?Zi9TVzlFT3dMMEY1ZE01dDA2aDI5b0FoMXE1ckhVVmZnUW96SHJjc2ltNENK?= =?utf-8?B?NkZBTEgyRVFnVnlxVFZ3dUszNXFhOHZ0azQ3VHVpSldiaUZ6a2RyVVIyQUpx?= =?utf-8?B?aC9kMHcxWWFDZ3hrTHNrOGFiY0xTaEY4NVQwMVVoMVRmakt5d08wa2VvUEtU?= =?utf-8?B?ajNJcjhRdG5BWVBXUkxQZEcwRjhNYy85YS8vQ2RaVmNlWGw4TXk2cTdyN0lr?= =?utf-8?B?NEVLSmtCdThiak9tcWc4UFRlNmR2WmlEMGgyTUhnSU42RldwUlJmdVdPc253?= =?utf-8?B?bEh5VmxEbVovWDNSaUJHTjM5TmhQUmNneng1VXlYVHAxL204OXA1VnBUaHNt?= =?utf-8?B?OVhEejJhZEhLTnB0UjA5cXhqZFdhT1hjZ1duMjR0SmNZTzFzbUNRMERoenVX?= =?utf-8?B?elN6UUNCcXJuaVlGSkRCejhVS1kwdWxUalJOVW1tR2tMQU51TTZJM0R0Z2dI?= =?utf-8?B?OFMrcmxRemo4dlN4dHdrYkNPcU9SdzJoL3dVOXY2SWF1OGRCOU56dXVvOFE0?= =?utf-8?B?ZXhoWTN3Ui9IcGl6OXordkkvK0puTEFhQlJodm1tRWdhU3pHWmlwcnVCTTdT?= =?utf-8?B?NC8yejRnZXMrRXR5TXA2V3orK2V3Mnh2aUxGZmEzVUxJd0V1bVhuMjJPZVhz?= =?utf-8?B?WlJWT3VTRk1FNGpwcVYvdmVmZER0T2lXblZsZU1McEdqMlVJOXYwTUlqU3ZR?= =?utf-8?B?U2krU2R4akwrS0VzT2k5UnJ2bVhwNDhsdWg2anI2eThwMnNmcjVISnZaWEFp?= =?utf-8?Q?aDsQ66WTWIg=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)(7416014)(1800799024)(366016); DIR:OUT; SFP:1102; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?utf-8?B?azlLTi80S0dHY0QzcVhWWHl5dGxzdE5ZSm5CY3A0b2pjUGpPQnJkbjNTaDBM?= =?utf-8?B?eEIwc05IdmJOQm5IdnJlUWdCN3NlVmVRNnZpV1RiNHF6UUVyREU5cloxU1la?= =?utf-8?B?ck8wdk0zei9pVG9vRHNZc2J4RlNyZFEvSExrYWlacWFSN1JwTW9FQXkyZzU1?= =?utf-8?B?b0EvMEpPaEoxQlJVbTE4akw4S0UrL0Q3eTVoYnA0SkVjWkQzemRXQW5TVWVR?= =?utf-8?B?N2dnTXlyWmlSL3VyOXI4eUNRRWczeHpHb21Mb2l4RXltejVKYitsOEdjM1Yw?= =?utf-8?B?b2g3dGV3dmM1ZmF4Yk0zaVlxOVc2ZzFrdWs3L2xTeFQrZEErUWh1M1hXSnc2?= =?utf-8?B?cXlTdGFacjNlQU1adkhqa2JGck5pYTRjV3YyZ2F3dk9neGVuSGVDTW9jWlFE?= =?utf-8?B?N2hOMlp6T2RsVnR2UW1ZaUhzQlRnQnpTbFIyVzlZZ0Vkd3Y2SDhuUnRyaWQx?= =?utf-8?B?YU1QVGxOWU9uYzJkcVBjdjN3OUovalhvcWJFMG9CS0ZPWi9ER2xKUGZ6MjlZ?= =?utf-8?B?UVpVckVPM1pJNi9sT0RNRURzWldFRGtLUndmWlhlK1d1NE5OQnZHU0REWEdl?= =?utf-8?B?Y0N3VzV3OHJxalhWOU55TGpSSXhGbmk3dkl2NGhMcVhSVHlPNEZCR28xRG50?= =?utf-8?B?MVZ4a3lpWmN4ek9tdW5TeEM1RUJBV25ybkhxcFdDUVc2cDlUbkxFNVE3MytD?= =?utf-8?B?SjRKcnlaS3ZhSjBmb2hpS2o0MTcyYk8vb1lVNnpFMnJmV0lPaDYyVngwMDVx?= =?utf-8?B?S3pUbUwxTk5NN0VLNzh3QmFkZGpOb1I0aDhJMTdxWEQ2bHBZcitGZ1QrS1JF?= =?utf-8?B?VmtiODhQcmJqQlVRN2p1d1FPMzR1SjhLczB4bytsRGsxdlJDZDNMZC8xaXlL?= =?utf-8?B?OXJMUjhIQ1BYMUNpRWJjcWY0NStiUDFjM3pORkFaMHNvc05JOGFmcnpoQk1a?= =?utf-8?B?SGVtdkVsRWtDbnRSUDk3MkVoNWVSTnpmNkk1elJ4YVlVKzZCaUIxQlRPSWg0?= =?utf-8?B?aUpIRGNjWlh1MmhQRXB0bVBqQlRmSVdxTDgwM1VZUFFJUndPU3hmT091REI3?= =?utf-8?B?RWFueW5PcUhlVEw5bGpMZHdXWlBEMjJpcmlveGVIN2VNUzJvOWxTQ2wzRDh6?= =?utf-8?B?L1lFdkl5aDMzOXptamFRWURxYkNteEN4eSsxRlY2cmlqRXZzYlZzbUVYT0dW?= =?utf-8?B?OEZBNnlHMlRXQm1vNko1OWxEa2pFbENJaFQ1VUdHUFQ4L2JoNGE1MmRXU1RD?= =?utf-8?B?NWZkaU1NdU5ValpxVzVNVkQzRTljeDN0ZGZPbUE0K29oR1Jucy93TTZ0cVJC?= =?utf-8?B?dzFMcFFzeENobGkwMm13eGpzN3BTdG9TRVNwR1htMW9mTDdnbHNYcGtrZHpY?= =?utf-8?B?d0w3bWJIdDRqbkRqRkorb2J0cmlvTWcwQU9KbXVYUEZJREpjaWxYMDF4K3Bq?= =?utf-8?B?NlUzd2tmSHhPL1l5c1JOeWsvZEJvUCtFQkNoV1FsVyt1QnR1ZVZ1bnB2Skww?= =?utf-8?B?cnp0RzVKTUVuU3M4a2FuWVh2bkFjTFRjZ09xczlNYkVuZU45MzJJSzVNY0pW?= =?utf-8?B?SzlIM1RnZ2wwajdNa3RUTmpheUJhbDZrVWVJeWw1c3RaWkxxSDRKQ1lTbTM1?= =?utf-8?B?TEdybmR2bm5MUmlnQ3BTMGJqcm5WSnBRUGdnSDBzcTFwZVVSQU9sZzY5OUls?= =?utf-8?B?c2R3MXM5cURMOUhGU1RCUTk3TDZzWmRINUEyTFhBUlFMUzIyNDZUOGlEYzgv?= =?utf-8?B?d1JPeVgyMnowOGFWZDRDRjIxdVh2d2ZUeUxya1RlK1JZZm5aQVJMZXJpSmN4?= =?utf-8?B?NlNiM0FhVlZDWCttaDZnVE1iaENQeEh0dDVpZHdkbURweEtmclpqSDBPZ2Vr?= =?utf-8?B?ZEhyQzc2dTZUQlV1ZVRVS2VoMldBVUd0Sk1HZStMYVV0SjRWUWI2Z3lud2Rm?= =?utf-8?B?TjZZd1BEK2Z3bXA2QURlZmtwRXJTTTFHYW9GNlZkV1liZWtoTTcrK1ViUXQr?= =?utf-8?B?QWxSR3R2emhxd200cUd1WUFZRGRwRGNwank4M2FqcGM2YUVYeG81TG4zWmU0?= =?utf-8?B?TEZrMXBDTjhJMEZPWGpJY0RLUm16TnFZMllBNUMwSkFVRG5WbVhiOHZlcFh6?= =?utf-8?Q?CRCMCOg/NVXsX65NidZKSJIhb?= X-OriginatorOrg: nutanix.com X-MS-Exchange-CrossTenant-Network-Message-Id: 6e3a0cb5-2bc2-45c9-f051-08ddaf35b20d X-MS-Exchange-CrossTenant-AuthSource: CH2PR02MB6760.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 19 Jun 2025 13:32:11.8441 (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: Zv2w+GTEYaRWX/d3n7srOEo+IbhvtEaV6JXq2o96L2SqJxDoPlvk0gIrh//tACC5/l+BO++a/o0bbC3Xh3IXmQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: PH0PR02MB9383 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwNjE5MDExMiBTYWx0ZWRfX6b8hiI0cFXYU i5ZnkOvYRgndrgafKO3fSxucFdUZp41l/cGD8AcB3E8LljGSUMIJO920wWZUaKDLf5X3TDLoWSA WX2pQSSbGBTiBQCz1E3u2YzauID7fNZHiffbHQ+1/1/gt9AW3q9YaQ3TbQq3ObgTBfIyGCXmJpy AoRFx03KGtVSRkm8hhEBZu+xwcPJAkHzK+ZskPk6o/LpQP1kwgUH4JCHTERAuxiVjQJa1zOLKiR bC7qeSTxEVh5i0g5hFpyA6I5/4cRgPed57lrCeARMN6Mlp4m0Zqu6f/Z1i3ycBah06nn64uqHIp 1/DYiQA2RgNtfFXrf4WHZBT6dJ+5s6vKyHnFrFG0wis9fnYAodOPs9C+VTGYeGQzrBYt9TNDsMU fCRbrTJKsPKutC1BLfLSqZFVOxdtd8dOgyYXDh5l/pWkZ4HQX1VD+0ANoI701hmsJ/33Gw+J X-Proofpoint-ORIG-GUID: UgS-FsQGVyl3Zh9ZlGZi66h60F5TE699 X-Proofpoint-GUID: UgS-FsQGVyl3Zh9ZlGZi66h60F5TE699 X-Authority-Analysis: v=2.4 cv=LIxmQIW9 c=1 sm=1 tr=0 ts=6854116d cx=c_pps a=kkQK6hjpUACXm7ua2zl0Pg==:117 a=6eWqkTHjU83fiwn7nKZWdM+Sl24=:19 a=lCpzRmAYbLLaTzLvsPZ7Mbvzbb8=:19 a=wKuvFiaSGQ0qltdbU6+NXLB8nM8=:19 a=Ol13hO9ccFRV9qXi2t6ftBPywas=:19 a=xqWC_Br6kY4A:10 a=IkcTkHD0fZMA:10 a=6IFa9wvqVegA:10 a=0kUYKlekyDsA:10 a=yPCof4ZbAAAA:8 a=64Cc0HZtAAAA:8 a=9e9T-0rTUHAn1w8HAtsA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1099,Hydra:6.0.736,FMLib:17.12.80.40 definitions=2025-06-19_05,2025-06-18_03,2025-03-28_01 X-Proofpoint-Spam-Reason: safe Received-SPF: pass (zohomail.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; Received-SPF: pass client-ip=148.163.151.68; envelope-from=john.levon@nutanix.com; helo=mx0a-002c1b01.pphosted.com X-Spam_score_int: -46 X-Spam_score: -4.7 X-Spam_bar: ---- X-Spam_report: (-4.7 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1.897, 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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @nutanix.com) X-ZM-MESSAGEID: 1750340222555116600 Add support for getting basic device information. Originally-by: John Johnson Signed-off-by: Elena Ufimtseva Signed-off-by: Jagannathan Raman Signed-off-by: John Levon --- hw/vfio-user/device.h | 20 ++++++++++++++++ hw/vfio-user/protocol.h | 12 ++++++++++ hw/vfio-user/proxy.h | 7 ++++++ hw/vfio-user/container.c | 10 +++++++- hw/vfio-user/device.c | 48 +++++++++++++++++++++++++++++++++++++++ hw/vfio-user/proxy.c | 12 ++++------ hw/vfio-user/meson.build | 1 + hw/vfio-user/trace-events | 1 + 8 files changed, 102 insertions(+), 9 deletions(-) create mode 100644 hw/vfio-user/device.h create mode 100644 hw/vfio-user/device.c diff --git a/hw/vfio-user/device.h b/hw/vfio-user/device.h new file mode 100644 index 0000000000..d6f2b56066 --- /dev/null +++ b/hw/vfio-user/device.h @@ -0,0 +1,20 @@ +#ifndef VFIO_USER_DEVICE_H +#define VFIO_USER_DEVICE_H + +/* + * vfio protocol over a UNIX socket device handling. + * + * Copyright =C2=A9 2018, 2021 Oracle and/or its affiliates. + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ + +#include "qemu/osdep.h" +#include "linux/vfio.h" + +#include "hw/vfio-user/proxy.h" + +int vfio_user_get_device_info(VFIOUserProxy *proxy, + struct vfio_device_info *info); + +#endif /* VFIO_USER_DEVICE_H */ diff --git a/hw/vfio-user/protocol.h b/hw/vfio-user/protocol.h index 2d52d0fb10..e0bba68739 100644 --- a/hw/vfio-user/protocol.h +++ b/hw/vfio-user/protocol.h @@ -112,4 +112,16 @@ typedef struct { */ #define VFIO_USER_DEF_MAX_BITMAP (256 * 1024 * 1024) =20 +/* + * VFIO_USER_DEVICE_GET_INFO + * imported from struct vfio_device_info + */ +typedef struct { + VFIOUserHdr hdr; + uint32_t argsz; + uint32_t flags; + uint32_t num_regions; + uint32_t num_irqs; +} VFIOUserDeviceInfo; + #endif /* VFIO_USER_PROTOCOL_H */ diff --git a/hw/vfio-user/proxy.h b/hw/vfio-user/proxy.h index 5bc890a0f5..bd5860e9b8 100644 --- a/hw/vfio-user/proxy.h +++ b/hw/vfio-user/proxy.h @@ -12,7 +12,9 @@ #include "io/channel.h" #include "io/channel-socket.h" =20 +#include "qemu/queue.h" #include "qemu/sockets.h" +#include "qemu/thread.h" #include "hw/vfio-user/protocol.h" =20 typedef struct { @@ -96,4 +98,9 @@ void vfio_user_set_handler(VFIODevice *vbasedev, void *reqarg); bool vfio_user_validate_version(VFIOUserProxy *proxy, Error **errp); =20 +void vfio_user_request_msg(VFIOUserHdr *hdr, uint16_t cmd, + uint32_t size, uint32_t flags); +void vfio_user_send_wait(VFIOUserProxy *proxy, VFIOUserHdr *hdr, + VFIOUserFDs *fds, int rsize); + #endif /* VFIO_USER_PROXY_H */ diff --git a/hw/vfio-user/container.c b/hw/vfio-user/container.c index 2367332177..664cdf044f 100644 --- a/hw/vfio-user/container.c +++ b/hw/vfio-user/container.c @@ -11,6 +11,7 @@ #include "qemu/osdep.h" =20 #include "hw/vfio-user/container.h" +#include "hw/vfio-user/device.h" #include "hw/vfio/vfio-cpr.h" #include "hw/vfio/vfio-device.h" #include "hw/vfio/vfio-listener.h" @@ -140,7 +141,14 @@ static void vfio_user_container_disconnect(VFIOUserCon= tainer *container) static bool vfio_user_device_get(VFIOUserContainer *container, VFIODevice *vbasedev, Error **errp) { - struct vfio_device_info info =3D { 0 }; + struct vfio_device_info info =3D { .argsz =3D sizeof(info) }; + int ret; + + ret =3D vfio_user_get_device_info(vbasedev->proxy, &info); + if (ret) { + error_setg_errno(errp, -ret, "get info failure"); + return ret; + } =20 vbasedev->fd =3D -1; =20 diff --git a/hw/vfio-user/device.c b/hw/vfio-user/device.c new file mode 100644 index 0000000000..4998019b30 --- /dev/null +++ b/hw/vfio-user/device.c @@ -0,0 +1,48 @@ +/* + * vfio protocol over a UNIX socket device handling. + * + * Copyright =C2=A9 2018, 2021 Oracle and/or its affiliates. + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ + +#include "qemu/osdep.h" +#include "qemu/error-report.h" + +#include "hw/vfio-user/device.h" +#include "hw/vfio-user/trace.h" + +/* + * These are to defend against a malign server trying + * to force us to run out of memory. + */ +#define VFIO_USER_MAX_REGIONS 100 +#define VFIO_USER_MAX_IRQS 50 + +int vfio_user_get_device_info(VFIOUserProxy *proxy, + struct vfio_device_info *info) +{ + VFIOUserDeviceInfo msg; + uint32_t argsz =3D sizeof(msg) - sizeof(msg.hdr); + + memset(&msg, 0, sizeof(msg)); + vfio_user_request_msg(&msg.hdr, VFIO_USER_DEVICE_GET_INFO, sizeof(msg)= , 0); + msg.argsz =3D argsz; + + vfio_user_send_wait(proxy, &msg.hdr, NULL, 0); + if (msg.hdr.flags & VFIO_USER_ERROR) { + return -msg.hdr.error_reply; + } + trace_vfio_user_get_info(msg.num_regions, msg.num_irqs); + + memcpy(info, &msg.argsz, argsz); + + /* defend against a malicious server */ + if (info->num_regions > VFIO_USER_MAX_REGIONS || + info->num_irqs > VFIO_USER_MAX_IRQS) { + error_printf("%s: invalid reply\n", __func__); + return -EINVAL; + } + + return 0; +} diff --git a/hw/vfio-user/proxy.c b/hw/vfio-user/proxy.c index 0887d0aa1a..c6b6628505 100644 --- a/hw/vfio-user/proxy.c +++ b/hw/vfio-user/proxy.c @@ -39,10 +39,6 @@ static void vfio_user_cb(void *opaque); =20 static void vfio_user_request(void *opaque); static int vfio_user_send_queued(VFIOUserProxy *proxy, VFIOUserMsg *msg); -static void vfio_user_send_wait(VFIOUserProxy *proxy, VFIOUserHdr *hdr, - VFIOUserFDs *fds, int rsize); -static void vfio_user_request_msg(VFIOUserHdr *hdr, uint16_t cmd, - uint32_t size, uint32_t flags); =20 static inline void vfio_user_set_error(VFIOUserHdr *hdr, uint32_t err) { @@ -610,8 +606,8 @@ static int vfio_user_send_queued(VFIOUserProxy *proxy, = VFIOUserMsg *msg) return 0; } =20 -static void vfio_user_send_wait(VFIOUserProxy *proxy, VFIOUserHdr *hdr, - VFIOUserFDs *fds, int rsize) +void vfio_user_send_wait(VFIOUserProxy *proxy, VFIOUserHdr *hdr, + VFIOUserFDs *fds, int rsize) { VFIOUserMsg *msg; int ret; @@ -782,8 +778,8 @@ void vfio_user_disconnect(VFIOUserProxy *proxy) g_free(proxy); } =20 -static void vfio_user_request_msg(VFIOUserHdr *hdr, uint16_t cmd, - uint32_t size, uint32_t flags) +void vfio_user_request_msg(VFIOUserHdr *hdr, uint16_t cmd, + uint32_t size, uint32_t flags) { static uint16_t next_id; =20 diff --git a/hw/vfio-user/meson.build b/hw/vfio-user/meson.build index cb958d0aa3..54af0da585 100644 --- a/hw/vfio-user/meson.build +++ b/hw/vfio-user/meson.build @@ -1,6 +1,7 @@ vfio_user_ss =3D ss.source_set() vfio_user_ss.add(files( 'container.c', + 'device.c', 'pci.c', 'proxy.c', )) diff --git a/hw/vfio-user/trace-events b/hw/vfio-user/trace-events index 7a3645024f..6b06a3ed82 100644 --- a/hw/vfio-user/trace-events +++ b/hw/vfio-user/trace-events @@ -6,3 +6,4 @@ vfio_user_recv_read(uint16_t id, int read) " id 0x%x read 0= x%x" vfio_user_recv_request(uint16_t cmd) " command 0x%x" vfio_user_send_write(uint16_t id, int wrote) " id 0x%x wrote 0x%x" vfio_user_version(uint16_t major, uint16_t minor, const char *caps) " majo= r %d minor %d caps: %s" +vfio_user_get_info(uint32_t nregions, uint32_t nirqs) " #regions %d #irqs = %d" --=20 2.43.0