Message ID | 20240521130946.117849-8-clement.mathieu--drif@eviden.com |
---|---|
State | New |
Headers | show
Return-Path: <qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org> X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=eviden.com header.i=@eviden.com header.a=rsa-sha256 header.s=mail header.b=DrQU/LKv; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=patchwork.ozlabs.org) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4VkFKy14w2z1ydW for <incoming@patchwork.ozlabs.org>; Tue, 21 May 2024 23:15:34 +1000 (AEST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from <qemu-devel-bounces@nongnu.org>) id 1s9PI7-0008JP-Hl; Tue, 21 May 2024 09:12:31 -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 <clement.mathieu--drif@eviden.com>) id 1s9PHU-0007i6-OD for qemu-devel@nongnu.org; Tue, 21 May 2024 09:11:55 -0400 Received: from smarthost4.eviden.com ([80.78.11.85]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <clement.mathieu--drif@eviden.com>) id 1s9PHR-0001Zh-PU for qemu-devel@nongnu.org; Tue, 21 May 2024 09:11:52 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=eviden.com; i=@eviden.com; q=dns/txt; s=mail; t=1716297109; x=1747833109; h=from:to:cc:subject:date:message-id:references: in-reply-to:content-id:content-transfer-encoding: mime-version; bh=uArRsAtZO0QeDOuLsYInkvN90lliPubzGjvNNTs8OpQ=; b=DrQU/LKv5jOenlEoyZoLQN8+ID9egfTYE2/5s8v2gJtkBcNUJ2PHPRY8 g24dMzkVbyW2gc+gZEt/UxOs1N4d+Cz7HZiNPTblBmfATAs4xbbHFFhYG OP0VLtOUUi26Z2yhJnO6iqAesFOTgRAucJPUg0XzDwzr1z6JqhnNo+rdU 1Dh2bYNxohxe+ypAK3Q76YAPyIG7hUstVW4nrmTdoIVNQlW4gGG6dfRK+ +qA5LULP7CmrSpRt45Hhx4Y/2IsMu0HuYXDZqnG4JNWdRq54N74cDeyS6 vfrgF5uaRaEy7aGJENoJ1O3VzBbo29ZyNvo+ikTfeUEZGtIlJ1jnSdIrm A==; X-IronPort-AV: E=Sophos;i="6.08,177,1712613600"; d="scan'208";a="13061501" X-MGA-submission: MDGLMDEiMuA9tmwdR9S42jc2p4jF/cXqufxVRFCeFuNXiavCb2MY1w1P6t8MQknTPA/fkuvlBS1v5JEekaczTK4JdZetYv8hwYfbb/nRJuVGdAAqbxK62Q9ld2sEgwHtIYXm3WLjvMdwBMpnFfLR8rVuXl+qPFSDrJfvDROsquyiew== Received: from mail-db8eur05lp2104.outbound.protection.outlook.com (HELO EUR05-DB8-obe.outbound.protection.outlook.com) ([104.47.17.104]) by smarthost4.eviden.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 May 2024 15:11:43 +0200 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=Xx6D2ID6N4aHqYLUd7dYrjb17gGbR75OU93X0+eTyp3pc5yvupNPOmq7q5uSWW5TTrRtGVxtgtKaxeaaXvLE8IJiyZtPIGn8VipHg+LPqAXJZh0VZCVqiZuj5Osht+X/aVDf1zlgdeebi/NUxDvpu4xNimMr/7HBf/s1tArKgKd/hX1t061d/UgQOeUKsalWfrETrIO/REh4AyNu3jRjHRGPlSpfzUuJNo9G1T3zhyKZzlbk8Jh9l9cAPaxL7BVsBq72VbKOqferlXdlFBumaxwATlGhRA9feexrYVUvEK4PbEYLBdKJmC7f3ko1GkV7gwbmZwDuK4ee7Znh5Ii5xQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; 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=uArRsAtZO0QeDOuLsYInkvN90lliPubzGjvNNTs8OpQ=; b=gze1v9EM++qwKT3/L56vz9Lim9T5igYcPn1wQvRSKre0KlW4gbC+ouyxEdCob6Y+EMfKyaIUPqKT0VBv9xKJTnd2e43ArTg61+2DO2IJHuY976MTu+LxN9HkNKKABTr/WXWM+ba93abcF8Hpn13+EloKzdcS7BVr9MXJwncZewQSLUJfYW+bQ3+JodqhQmtbKjb3pzRmn7njN0s6MYUHEZmVGhGYicWyPSC7zJqvN10QnmxJpla4RlLSxlKb9f/J96G6YMHAjBfGw/5XrU7WbGrxk363w9eZBNtmhSJg0ToHkPH73w2ok1Qe2yMwMI0ncm/i1JMUPDayFuM++pKajA== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=eviden.com; dmarc=pass action=none header.from=eviden.com; dkim=pass header.d=eviden.com; arc=none Received: from AM8PR07MB7602.eurprd07.prod.outlook.com (2603:10a6:20b:24b::7) by AM8PR07MB8148.eurprd07.prod.outlook.com (2603:10a6:20b:323::16) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7587.35; Tue, 21 May 2024 13:11:42 +0000 Received: from AM8PR07MB7602.eurprd07.prod.outlook.com ([fe80::fbd7:ca71:b636:6f9d]) by AM8PR07MB7602.eurprd07.prod.outlook.com ([fe80::fbd7:ca71:b636:6f9d%5]) with mapi id 15.20.7587.035; Tue, 21 May 2024 13:11:42 +0000 From: CLEMENT MATHIEU--DRIF <clement.mathieu--drif@eviden.com> To: "qemu-devel@nongnu.org" <qemu-devel@nongnu.org> CC: "jasowang@redhat.com" <jasowang@redhat.com>, "zhenzhong.duan@intel.com" <zhenzhong.duan@intel.com>, "kevin.tian@intel.com" <kevin.tian@intel.com>, "yi.l.liu@intel.com" <yi.l.liu@intel.com>, "joao.m.martins@oracle.com" <joao.m.martins@oracle.com>, "peterx@redhat.com" <peterx@redhat.com>, CLEMENT MATHIEU--DRIF <clement.mathieu--drif@eviden.com> Subject: [PATCH ats_vtd 07/22] pcie: helper functions to check if PASID and ATS are enabled Thread-Topic: [PATCH ats_vtd 07/22] pcie: helper functions to check if PASID and ATS are enabled Thread-Index: AQHaq4Bs64wl4DvR/kGSdis2w1PqIw== Date: Tue, 21 May 2024 13:11:42 +0000 Message-ID: <20240521130946.117849-8-clement.mathieu--drif@eviden.com> References: <20240521130946.117849-1-clement.mathieu--drif@eviden.com> In-Reply-To: <20240521130946.117849-1-clement.mathieu--drif@eviden.com> Accept-Language: en-GB, fr-FR, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=eviden.com; x-ms-publictraffictype: Email x-ms-traffictypediagnostic: AM8PR07MB7602:EE_|AM8PR07MB8148:EE_ x-ms-office365-filtering-correlation-id: f629a2fd-e705-4687-6aa0-08dc79978eef x-ms-exchange-senderadcheck: 1 x-ms-exchange-antispam-relay: 0 x-microsoft-antispam: BCL:0; ARA:13230031|366007|1800799015|376005|38070700009; x-microsoft-antispam-message-info: =?utf-8?q?NPW7qCF6o/A5lKXExg52YPfUTkJZWFG?= =?utf-8?q?8/3URmNv5ZxAeip8IF1G6Wm48fTS3rPWqVV4/frjsP1WqHSPSJlm+NIArRsIX3aw/?= =?utf-8?q?Ynle2kidlqDZzkzYKrglNtv19usPFCwfD1UixuG6DuKRlioo68iInunEj1J+HvfE+?= =?utf-8?q?5ZwDpRF+xO9Kx2bRsNNOSSLk4RgtrIKcvSnO/JZN8ih+MyTvB5V3/CkJH0cHpLLGY?= =?utf-8?q?7wfYazJ1eaczkG6XTwQaX/8qQ+v08vQwlzmMWGT2otmZ+L2vzGdYtST7GqPCYBTKs?= =?utf-8?q?muYK1PSCsRhA3k0nOCvMjfzEPZLVCjAmltI1DYsSqSexzfAIQMyBDuad2chvUHZmc?= =?utf-8?q?TBrp4t3KwyVXrw3f2/HAG3cs40lrANNPqAjXC3m3hPQfSvl4SYnelgrFm5aGPIfXu?= =?utf-8?q?0KAPyH5EWPjVVs5aqqJeBYYQJzBA/9rcnaeBgV9c97l9pFYT4laZyy2yE9+Gex8Wj?= =?utf-8?q?ScDpb4TOfjq3SGZNpMvOgqeQtXiS7h0JCRS0O/krXXi7BeMdAWt2Cfk6UgJzKBTWs?= =?utf-8?q?vv1TQ7f9IJBGmHVyIUssSz8d3ML6PzI37WtXMiB67Wgl+H0pqu+pR2J287angvM76?= =?utf-8?q?/DW+7KUoTkvltNbqjgnIhsYGPs3BoQ0nS9G0XfLfVLQyFGUe+qDsfYvRWxy9mUxzy?= =?utf-8?q?R6RgnEgcfhdNWHp7vWCasYlloyjtUn2jJbcbKZbxkAzavXjpo+oa84a4IkxlgKWPe?= =?utf-8?q?7gM6WG+ouOjUQMkdaiv85KAP1qI4+RMsv0/a/XYe55QclYreS5Ii9YR5JAVycCHvy?= =?utf-8?q?luWOgQw+SUPUoHMeSmEd3xnxcCY99gvEHWGs1Tz32Jomi3yz9W4DqAJP3gsSWeTaZ?= =?utf-8?q?HSOPl1GrO8YDZ/NeidIjryHfQVTaI6hSsUHnQq0vDHDMlURDeKCv4acmrv6qa5wWh?= =?utf-8?q?Rg6CwoCfo0yuPEmEcqtPFXQG3ar+lmCAdeIP3oLl6E8p4tsr6CuSu47rhTTEpdS30?= =?utf-8?q?pMBHwPgLqdmTe4uSwGq+sYufc4GpQbLUt+Pk70xNCbECSvwUEMdq4HPG28GOs8dO6?= =?utf-8?q?ymVVi9Kr4ox1PlnHr51lyyNf/bqYFcrwiAPq43ivvUyzBh+RBnLIoJRYukKg7loBp?= =?utf-8?q?OYxSjNWf00IDU2cnqbo+27wkiPulg6ItQMj7nRsahjlMVb0vciUiHkgbIBgt9kMYo?= =?utf-8?q?lQg4wMOtPJtEU7r6uMsCT1zG2XBLcuy4N9D+ChLjw7mAHKVcHhVveEvtw3HjPGg6O?= =?utf-8?q?axll5ujVAq4tymfe8MsLQAPrrQvg7gNT36+KvT19xcLM/AdHQE3Jf8G2rTrLnHBVJ?= =?utf-8?q?VjVOeHsg0BRFWit/UyAI8kMYKbGpEE0hrIQ=3D=3D?= x-forefront-antispam-report: CIP:255.255.255.255; CTRY:; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:AM8PR07MB7602.eurprd07.prod.outlook.com; PTR:; CAT:NONE; SFS:(13230031)(366007)(1800799015)(376005)(38070700009); DIR:OUT; SFP:1101; x-ms-exchange-antispam-messagedata-chunkcount: 1 x-ms-exchange-antispam-messagedata-0: =?utf-8?q?gpm3q4zvDns2am8qJi8t/3PxlfBI?= =?utf-8?q?Dw/197vmpXJP3s6EuG/KfaXD1/hBpCq1BbDS4zUl5jxuPWRQyiwDd6r4hJIefI485?= =?utf-8?q?focLFzFvbxc1wED3kzDanmmPOQJnko3sB60nMRpnIvkh3IKP44R7msVvbcYKaFghR?= =?utf-8?q?z2elh7g3qwHXzC9Pwxgy5gYjYmUK+F/kjXjYMyeS2spsv/mXPuEuIb07ZwZvGuPzY?= =?utf-8?q?y7DMr2iTQwmExl3/yI1OE36e+2q/1wb4McV0xtHTEJTgpJpF04GFCtgDYtN3AjbC7?= =?utf-8?q?jcBeU7OCOAVZZbMo45WRx1Ur9AN+sFcm7fs2g9dBZUVR60Sm6Z7OXUtYts51HE4wa?= =?utf-8?q?tLV5UVGJwtXxSAJCDB/swUjPfUBFnHKGcOUNuaQbyEUzq13lSdAr6MtONo0K7/T1J?= =?utf-8?q?Ik9HP71h5jtj/Qd+N83f44pOShe5innQn03hzWEqU3UQGK7MX40GMvYH9y3csk4EK?= =?utf-8?q?s2Y2xtVzI3Pvds+VdPmf4buxBOICMACs7rnjVh+i3lqTm40f1LlD/aQg1ceOtGzah?= =?utf-8?q?6fUxyu83VHRi4pUi3uMpGZXBVocrVeruubp7k8gvxJCyxBG3GU2YCT5/NDse3+2+h?= =?utf-8?q?ObVCnYomyfejELBX+PlAIvWMsE+Wunm9WAtrp0CxROp0Qx1HyfD38WByxx/Q8p+rC?= =?utf-8?q?45H5LRLHREvTtWwhBgWqZoR1uwIZyB6UgJgo2zLbDMmIiFk8D4mz8ykVl6HdWlyfO?= =?utf-8?q?VHI9cIGcvqK9M6puduzXr+1HPpBIXTofL2Qp+OS3MftB8ujirM3pSUqH5eJ53m+4s?= =?utf-8?q?ij5Qb2oh230UUNUclXhT/k/fIGcVVzVopq4msmuiXY2u50pNnYEsNp8fR/3077se1?= =?utf-8?q?QZV9MtPwGFDpfr3sAmNpgs2/et7iLPgyupaEYApIc48qLTuWfw4X2o3UZ5egfiPdB?= =?utf-8?q?nILwo9JAX2Ti4V/YYlwwjqi7dS1piSUa9fsj7U+zrBx5SUAe9qC7U30zQDjby6EyR?= =?utf-8?q?e+ApDoVZfxmRC6skK5zVvSNx+JrrMvm183kdPZR4IGardi/yrk0kmSUHmibzA7g6g?= =?utf-8?q?NnwevHCUZjPcjSUOA8KrQM5GXyDgkMzJ9KXY4T/aY0B6nILlPlUfwGCC5g9Vs6Vi0?= =?utf-8?q?ixzP2FjOYXsoY1s3KEnTq5BMca61uZZcyQ70nohZ8qAQciW0xwQqt+BPEHo1VAGba?= =?utf-8?q?RC12quGYMrwgPSMU70ASCwbmLtFl5umyeMJ5Ot0NdyKcMgqN9gyN3/2JI2HL9syf5?= =?utf-8?q?5KM+JYAJF6twcWcZNUSj2vjqcYavPQltkNWEokpPclZ8v5Yxvhyrjual2r6Rt/Nd/?= =?utf-8?q?zXb6X+/eHE1IGmsmqn6IawfsvmcRb0w3diPB6TgNrXX+SFzBkCYOFz8GigQO3KnJI?= =?utf-8?q?f72PNlQ1/xhDMtPA1y8osrT5i3q34VTUMZzhoJn2GBIoJVNOu4nT3Humgnp3yBJh5?= =?utf-8?q?rgPdjR1zh3NZ7yTuwDLZyLyIbQUj+QO5AdXwdC378G4/upgngxlL8TXgNp4euZelv?= =?utf-8?q?+ZBo83kT5XLk7qS95oZMXa4CPmztJC5m4SEeAYTyNBBVW3iwwtkGwFe3gSpvzXUa+?= =?utf-8?q?gDdskAHF9necqsQNu943gnZTZ0BS27J2BbF50ZYGCzqZmyQYbcVBB3E=3D?= Content-Type: text/plain; charset="utf-8" Content-ID: <CCB580694C93D34B9FD7EB76AD4BF048@eurprd07.prod.outlook.com> Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-OriginatorOrg: eviden.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: AM8PR07MB7602.eurprd07.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: f629a2fd-e705-4687-6aa0-08dc79978eef X-MS-Exchange-CrossTenant-originalarrivaltime: 21 May 2024 13:11:42.4223 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 7d1c7785-2d8a-437d-b842-1ed5d8fbe00a X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: AOjSLVrAJEWxhhAqGwsKjlaFOuAUvlMYLyZ4ggf1eQzv/DXWuKyMJHuH8JC5Z1qqWHb45h/y3o5Jmnsl0yT1vU0ZUtWUkt9TrWTzDw6IRQoiKnXUEGUDnoUXgnPF9L+/ X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM8PR07MB8148 Received-SPF: pass client-ip=80.78.11.85; envelope-from=clement.mathieu--drif@eviden.com; helo=smarthost4.eviden.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_PASS=-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: <qemu-devel.nongnu.org> List-Unsubscribe: <https://lists.nongnu.org/mailman/options/qemu-devel>, <mailto:qemu-devel-request@nongnu.org?subject=unsubscribe> List-Archive: <https://lists.nongnu.org/archive/html/qemu-devel> List-Post: <mailto:qemu-devel@nongnu.org> List-Help: <mailto:qemu-devel-request@nongnu.org?subject=help> List-Subscribe: <https://lists.nongnu.org/mailman/listinfo/qemu-devel>, <mailto:qemu-devel-request@nongnu.org?subject=subscribe> Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org |
Series |
ATS support for VT-d
|
expand
|
diff --git a/hw/pci/pcie.c b/hw/pci/pcie.c index d6a052b616..4efd84fed5 100644 --- a/hw/pci/pcie.c +++ b/hw/pci/pcie.c @@ -1201,3 +1201,21 @@ void pcie_pasid_init(PCIDevice *dev, uint16_t offset, uint8_t pasid_width, dev->exp.pasid_cap = offset; } + +bool pcie_pasid_enabled(const PCIDevice *dev) +{ + if (!pci_is_express(dev) || !dev->exp.pasid_cap) { + return false; + } + return (pci_get_word(dev->config + dev->exp.pasid_cap + PCI_PASID_CTRL) & + PCI_PASID_CTRL_ENABLE) != 0; +} + +bool pcie_ats_enabled(const PCIDevice *dev) +{ + if (!pci_is_express(dev) || !dev->exp.ats_cap) { + return false; + } + return (pci_get_word(dev->config + dev->exp.ats_cap + PCI_ATS_CTRL) & + PCI_ATS_CTRL_ENABLE) != 0; +} diff --git a/include/hw/pci/pcie.h b/include/hw/pci/pcie.h index b870958c99..0c127b29dc 100644 --- a/include/hw/pci/pcie.h +++ b/include/hw/pci/pcie.h @@ -154,4 +154,7 @@ void pcie_cap_slot_unplug_request_cb(HotplugHandler *hotplug_dev, void pcie_pasid_init(PCIDevice *dev, uint16_t offset, uint8_t pasid_width, bool exec_perm, bool priv_mod); + +bool pcie_pasid_enabled(const PCIDevice *dev); +bool pcie_ats_enabled(const PCIDevice *dev); #endif /* QEMU_PCIE_H */
ats_enabled and pasid_enabled check whether the capabilities are present or not. If so, we read the configuration space to get the status of the feature (enabled or not). Signed-off-by: Clément Mathieu--Drif <clement.mathieu--drif@eviden.com> --- hw/pci/pcie.c | 18 ++++++++++++++++++ include/hw/pci/pcie.h | 3 +++ 2 files changed, 21 insertions(+)