From patchwork Thu May 2 15:29:18 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: CLEMENT MATHIEU--DRIF X-Patchwork-Id: 1930650 Return-Path: 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=J5pNvBfg; 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 4VVdFB5dNFz1ydT for ; Fri, 3 May 2024 01:31:10 +1000 (AEST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1s2YNZ-0003oq-Ef; Thu, 02 May 2024 11:29:49 -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 1s2YNY-0003oK-G6 for qemu-devel@nongnu.org; Thu, 02 May 2024 11:29:48 -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 ) id 1s2YNW-0005z0-OK for qemu-devel@nongnu.org; Thu, 02 May 2024 11:29:48 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=eviden.com; i=@eviden.com; q=dns/txt; s=mail; t=1714663786; x=1746199786; h=from:to:cc:subject:date:message-id:references: in-reply-to:content-id:content-transfer-encoding: mime-version; bh=zqR+oUgPhCm/33BfTla3yWvDsBBPd/qhyF4tDdgXLp4=; b=J5pNvBfgORB1KG4b0iFeiCCD6i1byLAxL0C2cq690EDmY1QWuZecWp9+ ZjI5KgOjzvGyD4FTHUPqdL654H+JeBghhQBbmtfRfpcyRvHI9HKRhVXNd PY546j71P7Pc0OM7JNDGT1FD8I2dLyhWpv+T/Pn17wW2d8EJtLDOJYPiE h9+La1V4ianjpMGPQRx9+btrTdKX0L8QYvupn74ezkdFKESvL4EgWm91D eApFLO96MzGF8MfG2e18TTPXIuLdkLHq9fO+RJ3Wk4jW8lUAHIHJI9hwQ dPIv853L68LmzX2IyZXFCOatpKMK8Cej8Jy1h9xCFk413kqqJ3VKLQor6 w==; X-IronPort-AV: E=Sophos;i="6.07,247,1708383600"; d="scan'208";a="11785882" X-MGA-submission: MDEi3xao4Kvt3rZqQl4rQRyfQwqymbsETIJfFSAaoA+1VbM3T7iHtqPhbP+zUbYLC/o97e1jUw+fyVau0/Ayt38ApENTFzqxboxWJ7coyKQaSv1JekeL3TQpdpAWKET2CJpPhJWKRFCNBquWGUQ4Cin8p6CdT7PQp9vAU6PaDQMOeg== 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; 02 May 2024 17:29:21 +0200 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=BfhgJobScCgThDBrbXxtYrx9BgpCgCm0bT14JFPpdhRiZr7efy5lparmiqvtHY6HuzzbUJmj1ImG6Iw/KufC7pHvevgydS9la9RRTm+xXdz7mbg6HcoNJ4/LcsehQ29z8co68yhq4bXZ5IusVYDjBEGaPgOThtQUi62kXENmNTfuctPUQqff/ek7OUZkR2j4IgELx+JiSDKf4/U+efygVZDZPcso7cSJ6ZeXVJHc8lv0hXhZFPMIti8M76PriVj21nAdRrOSeTrWv4SOXv+9eWzplojQi67wffVqZydw2+kwkrC46FJ2mjXtrd7h0b+oFiy4oG8X+BRMfXKOu5Ti4Q== 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=zqR+oUgPhCm/33BfTla3yWvDsBBPd/qhyF4tDdgXLp4=; b=ETUIJlqWVCWulWE0lAFJ3O7OQNxrYVm1509sejEMRDtxOCtbCU6eLZ1gigmvOflaCn3TyvF2UKKJeZA9CNK3ltK7r+BlZwegrFC4kEkibde727Te2b34gZAMkcRvxZTyVEgxb567Em9uYrSjxmzxrPYU3qdeXDLUxKDJ1gCYQ0QHarr4CGR7wfAVOEJkWplevA6rgABH1DvyKbg6MRrIzp5lE2DvT2eLKYXsPUAQ+plkF2IxI52L/JDGf6vuk1q7cQIqycEnqPk7bDGYLsfjwTDBBhv/rz9QlxaqfZtWmrqmLNiCcIOPJSR16y5JfZWZH7YP8bquV6mYpwt7ZYDrVQ== 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 PAWPR07MB9661.eurprd07.prod.outlook.com (2603:10a6:102:389::19) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7544.29; Thu, 2 May 2024 15:29:18 +0000 Received: from AM8PR07MB7602.eurprd07.prod.outlook.com ([fe80::fbd7:ca71:b636:6f9d]) by AM8PR07MB7602.eurprd07.prod.outlook.com ([fe80::fbd7:ca71:b636:6f9d%4]) with mapi id 15.20.7519.035; Thu, 2 May 2024 15:29:18 +0000 From: CLEMENT MATHIEU--DRIF To: "qemu-devel@nongnu.org" CC: "jasowang@redhat.com" , "zhenzhong.duan@intel.com" , "kevin.tian@intel.com" , "yi.l.liu@intel.com" , "joao.m.martins@oracle.com" , "peterx@redhat.com" , CLEMENT MATHIEU--DRIF Subject: [PATCH ats_vtd v1 09/24] pcie: helper functions to check if PASID and ATS are enabled Thread-Topic: [PATCH ats_vtd v1 09/24] pcie: helper functions to check if PASID and ATS are enabled Thread-Index: AQHanKV/PXYNdBYXO0q7q3BlD52Syg== Date: Thu, 2 May 2024 15:29:18 +0000 Message-ID: <20240502152810.187492-10-clement.mathieu--drif@eviden.com> References: <20240502152810.187492-1-clement.mathieu--drif@eviden.com> In-Reply-To: <20240502152810.187492-1-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_|PAWPR07MB9661:EE_ x-ms-office365-filtering-correlation-id: bab55448-ca26-4b8a-44eb-08dc6abca239 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?UoCcvHX8hwRdac0rKHig5GlYs0PK+mM?= =?utf-8?q?JdOBD3XPO2CUCUAxLO8DfHlFNcYU9iKM86njqYjV4rbfDnx54OnGp+xTc0j/fn2EQ?= =?utf-8?q?mZT1LIxElv/1JA362epLkyQR86D2QZgCVPvrmpMlR4PsIKT/IXOsgWiqZhxFQ/Xyr?= =?utf-8?q?9W5LgFFHWL9VfJ3kBcUpmmbi0YEyv5eD2VsKtFidHpzB6UcNUmMHaKzVW66ySY2yP?= =?utf-8?q?eKJzhjPIyA62ZX/5ckneQUNkgxyYsKuOyY67D2efuQr/5aiQKAEzxsNMJfaMKTZRP?= =?utf-8?q?kQTntpmKyQuCb+PpjGQRtToazuxRhKf6BqAKUUJgYXy8DFGLQ8fPaNyPjd9WErZxI?= =?utf-8?q?G3FmxHZQ0ynPbi6DPF4jVGTgZAGRmM5PYsfOjI8JYOBms7tgrR6pmb9TJTZaKlc4z?= =?utf-8?q?8icim03y7JD/hfnJ4dw3Y4mnVvFJDCUDaOOAymw035NhEpUb4382Mv0avtvoxFWlE?= =?utf-8?q?1OldKiVjne1gJ+nXRbkQ+bMdjbzdVnVYOWBoaievbULHgPzOzPrWYUojmCZv0NKtg?= =?utf-8?q?EjKmRcinzE0LhqTB2s4rYwY0cczOF3KsNVanwtGlSoKstyDHBZgJEoziIcbiAz/d0?= =?utf-8?q?lP5OhlEKA7Iz0InM7x7mVqfGwjZGR8LH+eDT5Sr7dZyQrMzQQaQRieR+AvT/JrJaj?= =?utf-8?q?gvXvD7oqxRJjNUz+s900L9UrtnhsNb6YX2izD/iASA5iOO5oRc+l3FnYZ4WzHIZ02?= =?utf-8?q?8SNXInGKGudSYvZyCDrBlfgsmf5q/TRQ7W1ZXf30ziUg6P1VPLY+iDJE9hlMzXqNq?= =?utf-8?q?Ag2vr1r0mL1zf/8yC8ne7r9h3s3MwPFkjcjA9gejRz8NOI1SjjRrB2mOShMuEl6hG?= =?utf-8?q?OW34N/OzRM5cro9TZ+UUVvMgNphjH1r9YCYkzyhEB/fj1kAxbYAWH0pKmu+6xZciI?= =?utf-8?q?hYjiTtkKx5k8F1qHA2v2CrTSgdQY3V32oA25oURaGh3GDq02HJJTgqjUEYaxOFfYb?= =?utf-8?q?ysMXhZeAElUMWQ7V8rzW5orix+iygFwuBEu3utf1YZtd5XLBvkEVY0gbjbobmVjmN?= =?utf-8?q?s4RfANtLzkNv2ye4r392AV9iz6wJy6bLtGlm+2+BEpIUSr/3fD/zmS1bM2aP9hcse?= =?utf-8?q?Pghvh2WypTvkWdJEO9KwjqbNHQ0D7aZH0IEJhO0x62FkgzOXaDPQnRFE4CvW06VQn?= =?utf-8?q?5tVOnWpbU/UD9RVH1zd6ppFvUTqO0iUe6q3rGVX5itJxQ/hfl/rvzSe/qROmlBTYl?= =?utf-8?q?RSTxuFUGkz8XE6ETO7ptoUDYQr7XPyr8394Cc6r9wkAdohWyNRJKot0d+8LsqPfRT?= =?utf-8?q?t8OtpQcssXneIrcCXsZXtNwk2WrGGnZQ+gQ=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?qxxaYBaNjnCUXXev3c+NZi3124eq?= =?utf-8?q?ic3KOIZw0gLveqoo2NPwfuXbUz7pFaxwIbHHOlWLCRhx47dZjihZu7Zi0pZvUlOUf?= =?utf-8?q?cNlV/niObtoGMHewqdivWnE/GRL9g6UAeWUMN80Lp1/oOivP7SOE1pVSQ3VvIy3Jb?= =?utf-8?q?hxZ/ZoNvjf53zC+0p7dxVKe5bZZN0gqkL7POJ4Jio/qk0HtievsV929ztpt17OLCy?= =?utf-8?q?lDg/IUK+adDC/HkfcKFmhIZHK3mKxw4xaoVQi/gFP4mQpWE31ldwWiSzSCTxukPv4?= =?utf-8?q?gejUvX9i13HSBSti5lYNCSf9RjPTdVkacxJyxkabVAR99XILgfy8UZvwCQt4xfxIU?= =?utf-8?q?OXl87M382uCbX8fm3JFUEcYUC2J/p/fg8VhDgY38Bw0FczUJ9hPj9C/CF/I8dtDVZ?= =?utf-8?q?KGsnTKn2e+xKNNeKhL3wf/qEknUZAvmnJEQ8I9GO43uy7LyhhIVoJSLn2zLVHFdkR?= =?utf-8?q?DENB9H5Z8l6whqBTIvXn49oTJ1uQwUYYeqPPlZ4RiruGrGrnIdKfK1nyeWfZQWSAH?= =?utf-8?q?gWzRu5NzAuAlV+20YC37ui9gT4hpOrl8AYzHS2pTk+O5J7UskeOeIms5VQExQLrwo?= =?utf-8?q?0QPzwdsyLyyAmMYVna/F1nypcNOsG4d7s4Yo3IyoYz6wPu1uut4kmkqdAiXOpn392?= =?utf-8?q?5+M9NuxwPlNZUjHls42hcPLHkSD/B8z1Wif9ngkWhSzk2h+UzTqMLbpSLgiyBpM9P?= =?utf-8?q?o2kfWaEne88I1dIwqNsLbPvdWTN+zb+4pnTVCwxIjsdwFztq6zMhKtrcKjikRXstU?= =?utf-8?q?w5ChvKytlcAvzaq6xXRmCLeDGGzidlHCOJh7QYhjSarzV+n4Rl2jPbEpwgA/xUUUA?= =?utf-8?q?g1RR8yT41j6Whe6JGnzrcfaLlF/wlbxjOt2sjQjUNMNyfq70YrBMnLm4J2ZhgA1tj?= =?utf-8?q?fUVMK5BPC6SLKSb97Sj/ssqstxMN5AOBPPGhxsEsFeenwhReRkJfWZR7qd5WQeXp9?= =?utf-8?q?tNAZoP9NaxvgSDJP3brtbwThvRSoGjFBr3T5iFQrA+1d1b6RHrhyLGCc7hY5VyQiD?= =?utf-8?q?05AuUfbN1bMHDi9a+ONChWr62umTAtyAXZp/TYCTXmHz0ZJsuMwiflxvfWLZcJ6Nh?= =?utf-8?q?JZonRZkx6Uh19neZoKnP3h37VuSmsdLzD7v7wL/DHvc2xP+88IjRNII+5uZVPcVan?= =?utf-8?q?BNE4cFDlWz2W7ToOii7sWArPCM7Oohg+2gNMjFFyvH6DmqyyLBKE/inutpXEa4Y+t?= =?utf-8?q?WAmB1Hb+8BdMTgeJJ+aeUviIgAZohb2SsYRWtPV4Vr9qGT+xdjduZQziKMdZgtrbk?= =?utf-8?q?tzPYj6KoWLgCgxWIha6ue3OTAkm0Q31oi/9g44hF5xsmO7p1iAY6v9HkSYgARnCDK?= =?utf-8?q?leHf4TOWDL561EShj8iT7E6omGl57n1AzxZsmL/zup9k5P+2xX7qgQyg7aCX+JCJ5?= =?utf-8?q?Vh2pcWqhaV6armS7k2ECWpdbuSve8ePKSn9puv6Vax1a/XNEnl9A+9gA9pNqJVXOP?= =?utf-8?q?EhegW82+pClBZqa5A72Ifc9izUz7SWxTBXsZ9sV7pEeSPASosMEjU8Z4Sx2pjrWpt?= =?utf-8?q?rMczOhki7On5VUpAwpS7WoiOd8kp+Twefv56zcliX08NclIh2JpmcbM=3D?= Content-ID: 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: bab55448-ca26-4b8a-44eb-08dc6abca239 X-MS-Exchange-CrossTenant-originalarrivaltime: 02 May 2024 15:29:18.7369 (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: CVwWyWk9Isj0OcV1iP7e+HezX01lgg0hI1MolJoIB1eu+1ax8zXspwT+iLBEQ5PHGB/skWR298uMjqNG1DewU2Nt50ZCfdOmhHIUPrhom3eI6wTPSO6ejSl2Phkfz+ft X-MS-Exchange-Transport-CrossTenantHeadersStamped: PAWPR07MB9661 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: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org 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 --- hw/pci/pcie.c | 18 ++++++++++++++++++ include/hw/pci/pcie.h | 3 +++ 2 files changed, 21 insertions(+) diff --git a/hw/pci/pcie.c b/hw/pci/pcie.c index c8e9d4c0f7..2a638a9c3f 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 c59627d556..8c222f09da 100644 --- a/include/hw/pci/pcie.h +++ b/include/hw/pci/pcie.h @@ -151,4 +151,7 @@ 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 */