From patchwork Wed May 15 07:14:17 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: 13664774 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 91172C25B75 for ; Wed, 15 May 2024 07:18:10 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1s78qV-0004b5-T4; Wed, 15 May 2024 03:14:39 -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 1s78qM-0004Yo-Hs for qemu-devel@nongnu.org; Wed, 15 May 2024 03:14:31 -0400 Received: from smarthost3.eviden.com ([80.78.11.84]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1s78qJ-0000oJ-6w for qemu-devel@nongnu.org; Wed, 15 May 2024 03:14:29 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=eviden.com; i=@eviden.com; q=dns/txt; s=mail; t=1715757267; x=1747293267; h=from:to:cc:subject:date:message-id:references: in-reply-to:content-id:content-transfer-encoding: mime-version; bh=CNQP7R4fixHdItVjQquYDz2UpGFCRNezXgcRL4ypHQA=; b=L1Qid/DhN/JFh1XuRrnJdWH218XZfDl7VMsKRpFzc2MJDxLfHY2BQe/e p9BpDIR075x+2p3Ov3bWlviiz00qT4YXEBVy27Ao43b2ncRrLzNjL+RzF wdMe6gAPrhFq49GE2uI9GEZiW44GdJuoDV3CXudmv4qIybDoc6QXFW/uj 7aIjZwRFZZuOyLy9hfp/sVmr5vhQlva9SjuCmm6K3Ab5gYwXokPmAkkCH XDXjXdwClg4bSqG/xGucEYiyRn5pY2OKVFP171hPz60FfDip7B45Ls/i9 WEPOkBLXBDyUcrtuvrWVLFXNVHkYbslBRnyB7iOZpW8g59j3OSWnWKTXM g==; X-IronPort-AV: E=Sophos;i="6.08,161,1712613600"; d="scan'208";a="12581801" X-MGA-submission: MDGzWYzx+ZBs74ExwzoC2n0zvOm2dr6+wwi4ZwyB14zx2XCUDi3ZSwGMkL+064+cVTawLn2Seip//zzeUpQHZX+fFhgH7T6O5QElNFacNPfaYCYCJyxigoDz6uCgmzKiLg0pmNtDGD08loQtiwLM86g+hWbkp7KxI9+2ns9sZm7sEQ== Received: from mail-vi1eur04lp2050.outbound.protection.outlook.com (HELO outbound.mail.protection.outlook.com) ([104.47.14.50]) by smarthost3.eviden.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 May 2024 09:14:19 +0200 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=Q8tTUx2vB93cSsxOuL+LLswWgEMrXnilxw3ghFKw6awKTRmv5Zp9ou2r8BWR+njgwgYkn2ozgtywj11iAHumrV2eGW+o2mSwbpgiU8m/XyLn0UI+AXLGP9i8Ysxlknb/Q04FaEPJG6nCxnJOBTq1PE/hpXMtdNJpTVotM0oEJqvCSdSkKA9uNg1RX4KnUoMlkVYVjC8JBnnZB03VSOqt3EnZtQRXZzmrlPXzml1YLTAegRk+lH96KK+bVgqHsxcdHK9IM7whq0YYe4Q5lLYBxtNddFZQ3tRdA/K1EjyPOqMld1dQvODG4WIB+oFMRf6b05MiSuYcG5V0VB3trvB/NA== 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=CNQP7R4fixHdItVjQquYDz2UpGFCRNezXgcRL4ypHQA=; b=I/34zxpPf4g2YEDvNxS2ZsOXsAAY2a9QeLarvPHfEClt3Rc7/JlyOdA9SDtjs4ZaAKCzKer9xw9LHBapKdcXwb4naaT2XIg1wdbgce7h9FVw7s/opzUa7eQBGz9sFFATvkS5Oi3O6q5oFJN/WfNH0aW69NyBR41dwSJ9XMJFj2TP/XnIvbEnNDzMIHNJMgl9xJdy1W3t6xeGb6irCFTAXiWV1kbgqwbLH4racdEwE7yAjC/eV56Z0lERZ9Zo4wMggAvAQYVAs2/hKBdkBmm6dT70aMEGP+mPoTEtU0B5IY1zknVZzMvn+itPSUxIiL9pWcLz6//IQ0Z4XJSc9tnPgA== 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 VI1PR07MB6718.eurprd07.prod.outlook.com (2603:10a6:800:18f::21) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7587.27; Wed, 15 May 2024 07:14:17 +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 15.20.7544.056; Wed, 15 May 2024 07:14:17 +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 v2 15/25] pci: add IOMMU operations to get address spaces and memory regions with PASID Thread-Topic: [PATCH ats_vtd v2 15/25] pci: add IOMMU operations to get address spaces and memory regions with PASID Thread-Index: AQHappd/2MOZbvh5B0+7dA4EtQBnhA== Date: Wed, 15 May 2024 07:14:17 +0000 Message-ID: <20240515071057.33990-16-clement.mathieu--drif@eviden.com> References: <20240515071057.33990-1-clement.mathieu--drif@eviden.com> In-Reply-To: <20240515071057.33990-1-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_|VI1PR07MB6718:EE_ x-ms-office365-filtering-correlation-id: 45e37737-7c4f-4599-5353-08dc74aea287 x-ms-exchange-senderadcheck: 1 x-ms-exchange-antispam-relay: 0 x-microsoft-antispam: BCL:0; ARA:13230031|366007|376005|1800799015|38070700009; x-microsoft-antispam-message-info: =?utf-8?q?iTCqXkuGshL5QCDkKWBK3txF2PMUYyH?= =?utf-8?q?l3k3QT+wUb4pNRWZFUluFi2szwEDF/LVPUJjwhnnEky5WYPevdOkVQb3W70cR3p1F?= =?utf-8?q?+Rl1Am2D/lPzb2xqVxLpoIEHVtYUe+J4ujguPCxkaW6ZihcOXkLNZ9ced2e6D31zw?= =?utf-8?q?mxaLPWthEYl/azC74DHz0MiVRke5cpofJbVzZ5FuFnJveGyT5Gz96u7JN2geCtHMw?= =?utf-8?q?l2c197XXEKpfWvQs/o4JX+w2SHdPtyT4RS6Ow7XVVeLFdMq7va79UCML1nRgZy9sj?= =?utf-8?q?6YEkxRTUiLZSmEf/yj+Tv8X1lRdxAatNY2V9dzf0t4O0ZDv+lLIb1SasSxepuCoxI?= =?utf-8?q?eEPTes6+GRd5ZvNSRgWZO2gUpr5FEIOZQIgRBFFhfp2Z3HFAsrxcWFzAaYhzviirp?= =?utf-8?q?GTUq43u2OZ2+d08WmQvsErDL37sqoTuN0OntGFpR9jO/U1bUR2mkIZZMFe0/YgOv/?= =?utf-8?q?B+AM6StYTxQu1pQLF4SPTaaglaIrOuOf/F+L6SF7/BrTvyLghVcCFmUUM0nnGOEZR?= =?utf-8?q?IZi/t3Ej6PhD0Js+0yfmBwOWVIs8srU9Rtb6gkrAV7xNRa7bbzVX2D1YQqCsNoSTg?= =?utf-8?q?7zYr0FYIH94WvvcPt31nYFr3VuSrKre24bS47tdhPyvs1bLGxGA8ql1yeEg1qL0zI?= =?utf-8?q?GMkPOyk2demAuWLnRqZriGDApXxd+lA4nKLUrFmGfBEwX40HhRZ8ejRa7kX59wTVx?= =?utf-8?q?ZLjRKFUBWTCWMcUWUh6hLaGvmmVkOU+UZSRM614qHJ6s0IbXhcf/GU8l3+HgGSJDR?= =?utf-8?q?MRRl0lE8VV1BCIsVPTiK/wTxyn5c0xClZ4XaprDXAUOy8WOJVNJxCD0yWyoB2h9Cu?= =?utf-8?q?1QcFLbbILaq/HVzFL+A4JcbQjCx8OSBKoHMMnk3xxg4AHjDsvmuRlymns0h3XMngs?= =?utf-8?q?X1alivkCElj+x7IchbEEqmLnricebN0daaXslqTOFn9gsltFT5Xlnfn1X+4jflNUl?= =?utf-8?q?RJv/1EJ0fIt4BSAAqqwX+0zr3KC792HElEbMePygLOR799C6NtpuROecBUfMe8PlU?= =?utf-8?q?HzT1UDMkqaaZ3dbV6J9L3TvdoxwDdcSj7jMiiY5354bGcQw1CS9hgeJaFaOvhbsId?= =?utf-8?q?sbXnvyYT7PkfTd+o1doPKpXY7FAXc798tvvcmRjoZqFf7bJlKt813+2SppDdneBNH?= =?utf-8?q?FsgleH/Wy6Yj3x+Fin8zBlk195K4AP2BMxL3m6ZmPL8AHToCwq57vIk83mfMIoxBy?= =?utf-8?q?6FQClgVlUChgGrVNiyD3inHaf8F7XeegFt7gI3H0b/xb3Bp9BsNToTLm6fDUgdxIF?= =?utf-8?q?/C+lx+uVHIR/ip+k1RPcckJNQlPo/WGtQ9w=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)(376005)(1800799015)(38070700009); DIR:OUT; SFP:1101; x-ms-exchange-antispam-messagedata-chunkcount: 1 x-ms-exchange-antispam-messagedata-0: =?utf-8?q?dwq89j3arRKK+vR7lutqiG5W5YnP?= =?utf-8?q?N52A5w/hhSZ5yDQGzn/kCVWstM7fJ0FMppck5IrRuDV8Sjq8auVr1KV0ToFg6n49B?= =?utf-8?q?FiE8DAPcWIZ+qtaeUGEhbTnWXQk72qQLszFlNF9VyoYgiAlyGNGXRVxAjStfRhCVi?= =?utf-8?q?Wkr9PBHzgJLfJF9h7kmJ2TiWGANh0nQdjqi1I042L+QXmEWpdHOTRGsWZPBVvsPT+?= =?utf-8?q?3nPjIfmlznThQZY/toD8X8HAY0rTKwrm281wwVTsWz8M3dElUNr+ooWtiMRpmx1Wz?= =?utf-8?q?45zg3vTiPypC2eOnAPwbVyKtQzzLX6ajqFAGtxH2Caqlmc50HIXLMoIFM4EIJKjOC?= =?utf-8?q?bf1pP/qCxkc5LNoVAdRqSzw3FSu2IsDbt38OW2eBQjgQavedBXKw9IjQyq0VKb+si?= =?utf-8?q?2F8OQxTioMkvxKEJvZ+OkE6KuV0CQLhzKJFWnH0EwbxVb1jPnFRPuY3a5+nH+TAmQ?= =?utf-8?q?LVzsYzlp7StGJGZmb+L1mRd2gM7RV4SsuFFbTbfEfjqQ154gbUuvvaTY85rZLwBKI?= =?utf-8?q?WhhWCaIie/+Zl9/du7w4UF89F3P/xD9zyzSz0VEl/JiAoC04+0dMYo/hxQJa1WQ2w?= =?utf-8?q?pIll9GWuaPjlizkWhTkM03Am23SEbTcRfYP5AGtCOs5XPvCGfPd3dGefP/oOF4Zan?= =?utf-8?q?4wn6Z54DEAdXK/M0gWwm1la33wiQ4/jnCvg/CAEwXXfH1GZqT5qgJOJLUGuK4MDQu?= =?utf-8?q?SaHInA3Q8TbrwNMHmlaRKUTsUd7tyydMe4NAjwfg9WZUJoPJ6CvRhzvraamKjk0Kk?= =?utf-8?q?Oa6jDNSCPbHcpjLasnTxn3MuMaIM5lnul8uCwazMy1iA+1xjFNKuOrZHJ0AC2J3tQ?= =?utf-8?q?3pK/vHGHLTWS+ejOIi3Rl5e94XZou8sRKKc4tzO6DIpk2Opkc05VtZuLdSjgTkm9q?= =?utf-8?q?F1l6YCZCTtFbpFgRva+redz0ZhKifYyACc7RZPQ1RLyM3omNkNH006Wfdx4oGlKiu?= =?utf-8?q?kYaUl1HpK7qu36kDW+NeaCsxfkinTYHZelN6XJ323A3SAo2WODtGrwUOVQD0PYlw0?= =?utf-8?q?13GtUPd+rt9rSntbtXAZ2XAv10z8lliA4Gh2YiAT1o4KY274FsJhG9PMkA79oScAS?= =?utf-8?q?L6TWyc5jlsO1/TQyfk9DvSw1iPHwQsiKKPYVuEPJJsFrO+o6JobG4fmryPOHY8n85?= =?utf-8?q?W/tvTyHtZKSKgmiAXL4KFrMM1HV2iNJBcwmdxHky0WSirnI8iZmBlhkgyvhWaxvaP?= =?utf-8?q?1LP+LcPLKcS/c+gWP3ioJSa4inuaXhvB2JLisoQ/hQXz/r46TOGPxC86i+F0qJM8d?= =?utf-8?q?0O6byxinb8s8+L55123IYHV4nblyJofGhkc4yLMzK5KGHtPZy7t1S4mQuyCd+uLKI?= =?utf-8?q?e+FLv8X63F8U/F7Zjz4iumfT/6k1661EXtc27F62QjnQ3GqoMvNk5RR43qSzhvPKf?= =?utf-8?q?5rNk4ySM70WKOgnDicqJROPTnZ1P9N0rEdbV7rp4x4EuBKsQYTOyZUY69X96O2JMg?= =?utf-8?q?VfNn6AxfX0+eJ8MZlCWvi59chXWOebn4F9J8i4GsxzKOJs+OQu61lwTRRl4TlLX9K?= =?utf-8?q?neiyxq5roXrStLmOKu3V/oP+yca7lBfTA94l1xGGJfm4xId6pTaFsMI=3D?= Content-ID: <511425C4B0282F47B65070D935457777@eurprd07.prod.outlook.com> 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: 45e37737-7c4f-4599-5353-08dc74aea287 X-MS-Exchange-CrossTenant-originalarrivaltime: 15 May 2024 07:14:17.6735 (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: //EFfkeCsfCSDi2iWHQw8feH6Fj2N3O7bnuwmfFQB2BvNZhQseyw8XJnlvwjrCUOj5seyy9gj9u6l4RWZbLVt2LR/o2jhwEd1T+hKFAiiqLZ8sMdrPlo/buqLD+izuwb X-MS-Exchange-Transport-CrossTenantHeadersStamped: VI1PR07MB6718 Received-SPF: pass client-ip=80.78.11.84; envelope-from=clement.mathieu--drif@eviden.com; helo=smarthost3.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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Signed-off-by: Clément Mathieu--Drif --- hw/pci/pci.c | 19 +++++++++++++++++++ include/hw/pci/pci.h | 34 ++++++++++++++++++++++++++++++++++ 2 files changed, 53 insertions(+) diff --git a/hw/pci/pci.c b/hw/pci/pci.c index e5f72f9f1d..2b42b4e4cc 100644 --- a/hw/pci/pci.c +++ b/hw/pci/pci.c @@ -2747,6 +2747,25 @@ AddressSpace *pci_device_iommu_address_space(PCIDevice *dev) return &address_space_memory; } +AddressSpace *pci_device_iommu_address_space_pasid(PCIDevice *dev, + uint32_t pasid) +{ + PCIBus *bus; + PCIBus *iommu_bus; + int devfn; + + if (!dev->is_master || !pcie_pasid_enabled(dev) || pasid == PCI_NO_PASID) { + return NULL; + } + + pci_device_get_iommu_bus_devfn(dev, &bus, &iommu_bus, &devfn); + if (iommu_bus && iommu_bus->iommu_ops->get_address_space_pasid) { + return iommu_bus->iommu_ops->get_address_space_pasid(bus, + iommu_bus->iommu_opaque, devfn, pasid); + } + return NULL; +} + int pci_device_set_iommu_device(PCIDevice *dev, HostIOMMUDevice *hiod, Error **errp) { diff --git a/include/hw/pci/pci.h b/include/hw/pci/pci.h index 849e391813..0c532c563c 100644 --- a/include/hw/pci/pci.h +++ b/include/hw/pci/pci.h @@ -385,6 +385,38 @@ typedef struct PCIIOMMUOps { * @devfn: device and function number */ AddressSpace * (*get_address_space)(PCIBus *bus, void *opaque, int devfn); + /** + * @get_address_space_pasid: same as get_address_space but returns an + * address space with the requested PASID + * + * This callback is required for PASID-based operations + * + * @bus: the #PCIBus being accessed. + * + * @opaque: the data passed to pci_setup_iommu(). + * + * @devfn: device and function number + * + * @pasid: the pasid associated with the requested memory region + */ + AddressSpace * (*get_address_space_pasid)(PCIBus *bus, void *opaque, + int devfn, uint32_t pasid); + /** + * @get_memory_region_pasid: get the iommu memory region for a given + * device and pasid + * + * @bus: the #PCIBus being accessed. + * + * @opaque: the data passed to pci_setup_iommu(). + * + * @devfn: device and function number + * + * @pasid: the pasid associated with the requested memory region + */ + IOMMUMemoryRegion * (*get_memory_region_pasid)(PCIBus *bus, + void *opaque, + int devfn, + uint32_t pasid); /** * @set_iommu_device: attach a HostIOMMUDevice to a vIOMMU * @@ -420,6 +452,8 @@ typedef struct PCIIOMMUOps { } PCIIOMMUOps; AddressSpace *pci_device_iommu_address_space(PCIDevice *dev); +AddressSpace *pci_device_iommu_address_space_pasid(PCIDevice *dev, + uint32_t pasid); int pci_device_set_iommu_device(PCIDevice *dev, HostIOMMUDevice *hiod, Error **errp); void pci_device_unset_iommu_device(PCIDevice *dev);