From nobody Sun Sep 14 08:22:23 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) client-ip=192.237.175.120; envelope-from=xen-devel-bounces@lists.xenproject.org; helo=lists.xenproject.org; Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; arc=pass (i=1 dmarc=pass fromdomain=epam.com); dmarc=pass(p=quarantine dis=none) header.from=epam.com ARC-Seal: i=2; a=rsa-sha256; t=1757016659; cv=pass; d=zohomail.com; s=zohoarc; b=FhhqA4dc9zo0f9/tJsJNPZzZyUnlX1bw+9enHFlonyQo3TJAuq/EKTdnCh6lcNRMQIFHLp1gVmnjHU7pw2QSytprIB79R24NYKlen6AWThqVoyZaTpOjAQSr4VJf23mXHvrx4mK2esQxgkQXsy1sVMrCNQDrpmPEnlDc9V9NB0M= ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1757016659; h=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=hSF+SSgp9NTSL/mvRgla4zB2nDCGmCDzkRuguIvCksg=; b=IOEXInVBLQ9EzROLJDvR7/QgRYjqJY22qN00f7IkwcUlSyy8OGjk06vkPoD2yjoj+eNaB9NdVFl8SZQX49G93+m9JC0AbMUtzBwIaNzb5ErCvKQ8EpqMUAJ35Sr1qzU1nRBWt9wn3WBkWE7JXSS5Hjefx32YD6YXfuJ8TkJHb6U= ARC-Authentication-Results: i=2; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of lists.xenproject.org designates 192.237.175.120 as permitted sender) smtp.mailfrom=xen-devel-bounces@lists.xenproject.org; arc=pass (i=1 dmarc=pass fromdomain=epam.com); dmarc=pass header.from= (p=quarantine dis=none) Return-Path: Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) by mx.zohomail.com with SMTPS id 17570166592381009.4811945966686; Thu, 4 Sep 2025 13:10:59 -0700 (PDT) Received: from list by lists.xenproject.org with outflank-mailman.1110806.1459841 (Exim 4.92) (envelope-from ) id 1uuGIB-0003No-U8; Thu, 04 Sep 2025 20:10:47 +0000 Received: by outflank-mailman (output) from mailman id 1110806.1459841; Thu, 04 Sep 2025 20:10:47 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1uuGIB-0003Nh-RU; Thu, 04 Sep 2025 20:10:47 +0000 Received: by outflank-mailman (input) for mailman id 1110806; Thu, 04 Sep 2025 20:10:46 +0000 Received: from se1-gles-flk1-in.inumbo.com ([94.247.172.50] helo=se1-gles-flk1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1uuG9Z-00062f-LY for xen-devel@lists.xenproject.org; Thu, 04 Sep 2025 20:01:53 +0000 Received: from AS8PR04CU009.outbound.protection.outlook.com (mail-westeuropeazlp170110003.outbound.protection.outlook.com [2a01:111:f403:c201::3]) by se1-gles-flk1.inumbo.com (Halon) with ESMTPS id fc9a8875-89c9-11f0-9809-7dc792cee155; Thu, 04 Sep 2025 22:01:46 +0200 (CEST) Received: from GV2PR03MB8678.eurprd03.prod.outlook.com (2603:10a6:150:7d::13) by GV2PR03MB10974.eurprd03.prod.outlook.com (2603:10a6:150:27a::18) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9094.17; Thu, 4 Sep 2025 20:01:44 +0000 Received: from GV2PR03MB8678.eurprd03.prod.outlook.com ([fe80::4eb:3e7b:1ffa:25f9]) by GV2PR03MB8678.eurprd03.prod.outlook.com ([fe80::4eb:3e7b:1ffa:25f9%6]) with mapi id 15.20.9094.017; Thu, 4 Sep 2025 20:01:44 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: fc9a8875-89c9-11f0-9809-7dc792cee155 ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=BcZfJwGOeWkeZWnRHdDU98e4EBvnBTvThScltWxOeMnnTH1T9l+jfo3lWp5CVNsPqTLE7Gc9n3XtwKkEszDxp+5Fdh6VjJKT1tHIZwGT5yehnL90I/d659ugQzX2/Np1CGr1f8PMc8M0naUB7yNMLrvYyb6gV0iZH8oSDeY/Y9caj5rT0VoB0f4NOeIB0knsQ0i/jFHYEjzlX1DURjvibeLCArD4Ym8sm0vFPtQ8o2oyhunU5JIv0NPqfnCJfcQZ/HFqhsqHm8lqqCHSMDCisDWEqPe891FuzzvP+PmGioB4OaaE2Noj37w693BpK393KbDVe4V46tOjJf2uxYM9Xg== 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=hSF+SSgp9NTSL/mvRgla4zB2nDCGmCDzkRuguIvCksg=; b=SER+UUlg2TUJULP101HWrMgJo25oMCoIrb75ERJfCl+uUbcKWTiUoEAbSJlx9HPzgKxU1YzGRz3nUVtETVOKVJCvWOyHxIW0BQgmVNfIxdD1m5ix/dm30R+2+C8XvPw1bZFdRf0QsD2MnHxt0DorM+oYDVHCkFn7wpCNsab2ccZgttqPVJjyhpdvtEJwMDkyCnJogI3ljlFOM2O4HP7joLIrhQOXDZCvY8Qvup4k6rB27CjpFEGKLez8+1ee6HH6w01uX8wAcyjeJvl0koqzBVBU1Tg+wOgS2KoNtxLDSl+aPXusFzIRCmgYnPtQAiWxEeI7XG14lRcPmYgrpR4gCw== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=epam.com; dmarc=pass action=none header.from=epam.com; dkim=pass header.d=epam.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=epam.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=hSF+SSgp9NTSL/mvRgla4zB2nDCGmCDzkRuguIvCksg=; b=Wzon4+wT3vQ9kqdX6RdnfT9LgmbiPeQX48IFw5v148+39YaubEyFc79cXVpAp6D4Moifrgmc/b/OZWczI0+eLnHSmIj+U+MdyVh/8bZiYPkI53l5CUbK5cME/g1YOT2MvK0Vxk32bjNRk0R7J3SWzojlMEJ2Oj7w9VwCfrt9BZMADpBU0td3MR58jTIQwyUznAfwihxxDYo+ZdqLkcqA/GV7Yzfpeh8QdGbc9Gj/bZw8alqmqW3+ANwwijn2+JoXtqLMPtNzsClNQU8OzOrL3ym/JB2J81UNivL4VDmodfm2cs95MF/bawAiBD+zbRb8S4QO3ZoCDiB3AU+EoWhztA== From: Leonid Komarianskyi To: "xen-devel@lists.xenproject.org" CC: "olekstysh@gmail.com" , Leonid Komarianskyi , Stefano Stabellini , Julien Grall , Bertrand Marquis , Michal Orzel , Volodymyr Babchuk , Volodymyr Babchuk , Oleksandr Tyshchenko Subject: [PATCH v7 09/12] xen/arm: domain_build/dom0less-build: adjust domains config to support eSPIs Thread-Topic: [PATCH v7 09/12] xen/arm: domain_build/dom0less-build: adjust domains config to support eSPIs Thread-Index: AQHcHda8LDtFOW/3qkm3ftvPZ5C2DA== Date: Thu, 4 Sep 2025 20:01:44 +0000 Message-ID: References: In-Reply-To: Accept-Language: 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=epam.com; x-ms-publictraffictype: Email x-ms-traffictypediagnostic: GV2PR03MB8678:EE_|GV2PR03MB10974:EE_ x-ms-office365-filtering-correlation-id: a99e4868-fa2e-430d-c702-08ddebeddf60 x-ms-exchange-senderadcheck: 1 x-ms-exchange-antispam-relay: 0 x-microsoft-antispam: BCL:0;ARA:13230040|1800799024|376014|366016|38070700018; x-microsoft-antispam-message-info: =?iso-8859-1?Q?pRpJdWAYBbkbuUjvbDvbojz0a72ckKxq0681DDRyUovYashxj5VVRzMEnb?= =?iso-8859-1?Q?17C4KesmQaZjOYTR1pCULSHJxYglwBU6DsGP8Xg//bLqaxFr57ceOBSR0b?= =?iso-8859-1?Q?SY7+L8vFWq60k02eNKfjoTrAcI1RRq2O0mntsB982WdDz5US3u5KLmDYdc?= =?iso-8859-1?Q?IWSFY2Wr94tkB4hJcN19HCcw7jhOxsMM+tCogHVF8U5dX2LYiDDAOTa/Xx?= =?iso-8859-1?Q?WRSRB6IU0ooczakoZE5xsvAmR7wR0jPPdP8dVfCGEUJLYk9bnkc4m3e7ON?= =?iso-8859-1?Q?PQsNrj/rSdj+d+d6ctRuGTLE4K37BfjeBULiyPokLkrxjZRa1S2Be3eG6w?= =?iso-8859-1?Q?EXOfNZb6bdR6/SyC37Z0UntXyIui0Bj0JyRyHFOhUEHUVVcsHdfhJabUJ0?= =?iso-8859-1?Q?M3nMxmUjN58tDnRwwVS5hWj545ZanfoTBIQm6LJG34EViJvuUorXQkZPhF?= =?iso-8859-1?Q?wuo8sQVSdpZxFKt5Sm/DIPdLBcmVfAUzGDGpIBd0PY2fhDlCDv2Ppw/sU0?= =?iso-8859-1?Q?8Omt/PZ7aIP+cOmBTxzAyS8eKH/avGGvOAVkchZBG63SRdGT1LdS8DcM6O?= =?iso-8859-1?Q?jdLyc3FoKqgvnUMWcfaxi4FF6ejQvGsrGNDDmhcnb6PRDrMNu/JB5FDCju?= =?iso-8859-1?Q?9jhNne8D6wVM9yAjhKx3nIb54syjYHllFDl4rYECxCJJ216SK+jk9bpTmz?= =?iso-8859-1?Q?V9gaXC6yYhFtYkWITWg9oKXDbied5fSvTb2IqTkEVqA3xKD4lcPGM8zx7Q?= =?iso-8859-1?Q?zdFjv1f7V3dBX5Har7UZVozH91HZ4dW9gUBhWnd9+32dV84HYV2rj+l482?= =?iso-8859-1?Q?AXVdd1VGBhh+V1l67mmeR6LNmuxC2+LC4Tziq/HNI2htnFsk7APbu/iCTl?= =?iso-8859-1?Q?5CEAyDm6nx7zL18/8Mk/xfsKjc+CsXOjieMIFUwgfkGzX758ooFFRXJv37?= =?iso-8859-1?Q?AicuoouS8/+1o0BSnhHpVqJHATOSw/ieUXKdnDXXdIn/1vThC76HePPAaF?= =?iso-8859-1?Q?xLusyg/k6bob39jZ13rjI9nAoAB1i/8pTPncbSr5Md0t0j7z4wPaMusLKD?= =?iso-8859-1?Q?R1RyPYZPEvpDg+qtNMGdq/IqiZBUv366WsrfZ7Yul9s6X0qhpKj2Mu9ghr?= =?iso-8859-1?Q?HuVTacYHZJ9ICVjqxY3XicZs2SWUajYBIyDzdSw9RfpeDfrQRjYo7fI3rA?= =?iso-8859-1?Q?n1K7N8b5hRrhXuw5IMk4zx+J8mWGMnH06XQ0fFl+mGj9/sYQBXcUJ3fAdB?= =?iso-8859-1?Q?UVu2YM2RPY0tRijVZdfL7PTJj1Ux28H+ddxVo/A03nJ4yNxBGzU2qf37XA?= =?iso-8859-1?Q?oaD/MsFf2pyvveAI9Lu1AJXNjruaBgSfMfsWYQA7UGas0zt0mVwDuEk59Q?= =?iso-8859-1?Q?Jf3sNR8xT8vlDW653+PyFwycETlPYmbOmfR+PRfN7KsUhFLYfqG+ed/LCF?= =?iso-8859-1?Q?731qNeo/c5jSBQm+ik5UxFbQlvhwB37LApjk0opIR0ooomfEYd/T/D97tG?= =?iso-8859-1?Q?fGeuJz4QDy7RnG5oBJ8oUeWcA5cqnFcaVeL8gEVUtwSQ=3D=3D?= x-forefront-antispam-report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:GV2PR03MB8678.eurprd03.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(1800799024)(376014)(366016)(38070700018);DIR:OUT;SFP:1101; x-ms-exchange-antispam-messagedata-chunkcount: 1 x-ms-exchange-antispam-messagedata-0: =?iso-8859-1?Q?gsl4dGxxVFzZBdKXV85gHu574In6RyIDAInsAuIMiwOkvfsmIHzc8DSvq3?= =?iso-8859-1?Q?1EB8qPqzuwBxUk/yBdl5YUXwVD1sLGJ2kKlCudTfGjCwB49IxTtZ9msbk3?= =?iso-8859-1?Q?sd9hN3HAsgmWzZVTnrZIiyljfuJtb/H6VkDpXYG6e5pSrtxyHM9NGjMD29?= =?iso-8859-1?Q?+Z4BE+qPevlzIj9UWMZwwvsyB2V0hNcBzvGv5PZLWvyC4cbGXeFqt3+ISB?= =?iso-8859-1?Q?5s+B9HfHPH+Ge/SLQWydsTeRszrXqcQLKivmQEr63JcZoS26g4pusb73YU?= =?iso-8859-1?Q?+fs7wS588zFFYX969U4UPHY4ECEi+JXvJKzh8oVQCb7xyTtGbDzSMzZBmz?= =?iso-8859-1?Q?zlX+cOOl/g5ZUJG1TFWZXSqeX41sBN/8d8r4/5CfW5JOfEafyWiLFtGUf9?= =?iso-8859-1?Q?3sCV5zjEV5ABs5mCFqM27+F9zehtzH7R6qFRrDUpT9DbXE8FxHvxjsXp+J?= =?iso-8859-1?Q?xUHzDO33bXdodQ3FCybHjC2MOxbXxUOTu/NaHUkjHc2wqk/+hdrAr273T7?= =?iso-8859-1?Q?T2cZr4bo5KxbyAlmI8ZPYhwJ5UteEowCUrUL1pt+G+u7lJnGmvxpquxgfH?= =?iso-8859-1?Q?vuUSlNOgc6n76EZJ2dZ+mhnKMHwEDuCx39QwTGnIujKW7UDGftK9nULCmO?= =?iso-8859-1?Q?xaxMXgcCKDPoeahP3Vh6ojSN7Bl3yU8gMwj1tUbuytoX2QNtwG/KLnZFnz?= =?iso-8859-1?Q?lrY7pzzX3wW7hnp9FF3C2Ti355i+20325lX4c8akBxbfBj/PyM3+g7vfjD?= =?iso-8859-1?Q?Netxtp/ul4W8UtZmFhWDZHw0/9fafPyapWIpCc69YYQ0O9mupPLXQKGatc?= =?iso-8859-1?Q?NG0eANug/cRlJWz0dazu+n63QmltGqfEPrtJlVeoFIeMxf9qhMmHG/Zlfx?= =?iso-8859-1?Q?rVYKXXHToXleRwM1y1teT+FTMP6YI7JIrXM20UFvg0VWLRptu96c62Udo5?= =?iso-8859-1?Q?D1xbahs2p2Gzb4t75JLG6kPCMfuniemP38RX3gNHE/qXdhij8KDWDX19qX?= =?iso-8859-1?Q?mo62MD7Jzqmwy65yc3Fd+f1X7ShZaRL9dCpWRpS9jSf42N17UCNqeBG5zr?= =?iso-8859-1?Q?U6rCwvucIgEEFcY7ihmPZe3Fxzt8ulA0e8yrehtbFKGWZ/EiP77VStsadB?= =?iso-8859-1?Q?MwH5IbrUOmpJrk9fDYczW40KZY1VGnJRJqPWBvMMfKeiU73q112k+9LpNv?= =?iso-8859-1?Q?OVWlyLeSJF/QeRJKuDmK9ynBUCguLdVR5gHx18z1JPe5vKfXdVR1qtpTr/?= =?iso-8859-1?Q?kpoTTMcaY84tLySYh+F3gizfCnacgX2biWL/38upsGJWn2Ngqf7+mLSm7x?= =?iso-8859-1?Q?QbEvXCljp/F5/uww8JuIjsNteudUJg8Rae+pHTO306kmG1al+go9gRVYby?= =?iso-8859-1?Q?6e3ccErL069wVy3NOVIFQdWp1C/zSpEpJAzEHbSQKk/vfRq2WzJzJ+/yH1?= =?iso-8859-1?Q?0ujRUKluF8fbFMBDKrp+ZuRMKmKeyFgIne9oEllcKUCfZnTDMwlxkjUsII?= =?iso-8859-1?Q?FBtcTzPCr4Mo/ZGBby73alI/YSzZ2JBlyZhkqcMPLXz9BymLb5143k4OMr?= =?iso-8859-1?Q?pEM7XnT57qt+8srHvSmlsJSaQbjHaibCqp7zuXcqCk6SJBwx3QWhXQVR7W?= =?iso-8859-1?Q?THIxXia/jyx9GuqIzo1tGPSsn+DLToy2wts2X7/ibqFqlsWiLSQ+PKoJ2x?= =?iso-8859-1?Q?L72BnkIbjZJ6pIkg1vY=3D?= Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: epam.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: GV2PR03MB8678.eurprd03.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: a99e4868-fa2e-430d-c702-08ddebeddf60 X-MS-Exchange-CrossTenant-originalarrivaltime: 04 Sep 2025 20:01:44.3473 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: b41b72d0-4e9f-4c26-8a69-f949f367c91d X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: YdS7FWtQDIArBfufOUftoTYLC4keLvfBXb2oxkVDzY4PJj7KC8c5B5jGw4uZLKPEf7pCPVqh0ydVS9Q1uD3tE6vOUq/MbAkcnsn2RPC8Ldk= X-MS-Exchange-Transport-CrossTenantHeadersStamped: GV2PR03MB10974 X-ZohoMail-DKIM: pass (identity @epam.com) X-ZM-MESSAGEID: 1757016659703116600 Content-Type: text/plain; charset="utf-8" The Dom0 and DomUs logic for the dom0less configuration in create_dom0() and arch_create_domUs() should account for extended SPIs when supported by the hardware and enabled with CONFIG_GICV3_ESPI. These changes ensure proper calculation of the maximum number of SPIs and eSPIs available to Dom0 and DomUs in dom0less setups. When eSPIs are supported by the hardware and CONFIG_GICV3_ESPI is enabled, = the maximum number of eSPI interrupts is calculated using the ESPI_BASE_INTID offset (4096) and is limited to 1024, with 32 IRQs subtracted. To ensure compatibility with non-Dom0 domains, this adjustment is applied by the toolstack during domain creation, while for Dom0 or DomUs in Dom0, it is handled directly during VGIC initialization. If eSPIs are not supported, the calculation defaults to using the standard SPI range, with a maximum value = of 992 interrupt lines, as it works currently. Signed-off-by: Leonid Komarianskyi Reviewed-by: Volodymyr Babchuk Reviewed-by: Oleksandr Tyshchenko Acked-by: Julien Grall --- Changes in V7: - no changes Changes in V6: - minor: updated the commit message Changes in V5: - fixed minor nits, no functional changes: updated the comment to make it clearer and corrected a misspelling - added reviewed-by from Volodymyr Babchuk and from Oleksandr Tyshchenko Changes in V4: - consolidated the eSPI and SPI logic into a new inline function, vgic_def_nr_spis. Without eSPI support (either due to config being disabled or hardware not supporting it), it will return the regular SPI range, as it works currently. There are no functional changes compared with the previous patch version - removed VGIC_DEF_MAX_SPI macro, to reduce the number of ifdefs Changes in V3: - renamed macro VGIC_DEF_NR_ESPIS to more appropriate VGIC_DEF_MAX_SPI - added eSPI initialization for dom0less setups - fixed comment with mentions about dom0less builds - fixed formatting for lines with more than 80 symbols - updated commit message Changes in V2: - no changes --- xen/arch/arm/dom0less-build.c | 2 +- xen/arch/arm/domain_build.c | 2 +- xen/arch/arm/include/asm/vgic.h | 19 +++++++++++++++++++ 3 files changed, 21 insertions(+), 2 deletions(-) diff --git a/xen/arch/arm/dom0less-build.c b/xen/arch/arm/dom0less-build.c index 69b9ea22ce..02d5559102 100644 --- a/xen/arch/arm/dom0less-build.c +++ b/xen/arch/arm/dom0less-build.c @@ -285,7 +285,7 @@ void __init arch_create_domUs(struct dt_device_node *no= de, { int vpl011_virq =3D GUEST_VPL011_SPI; =20 - d_cfg->arch.nr_spis =3D VGIC_DEF_NR_SPIS; + d_cfg->arch.nr_spis =3D vgic_def_nr_spis(); =20 /* * The VPL011 virq is GUEST_VPL011_SPI, unless direct-map is diff --git a/xen/arch/arm/domain_build.c b/xen/arch/arm/domain_build.c index d91a71acfd..39eea0be00 100644 --- a/xen/arch/arm/domain_build.c +++ b/xen/arch/arm/domain_build.c @@ -2054,7 +2054,7 @@ void __init create_dom0(void) =20 /* The vGIC for DOM0 is exactly emulating the hardware GIC */ dom0_cfg.arch.gic_version =3D XEN_DOMCTL_CONFIG_GIC_NATIVE; - dom0_cfg.arch.nr_spis =3D VGIC_DEF_NR_SPIS; + dom0_cfg.arch.nr_spis =3D vgic_def_nr_spis(); dom0_cfg.arch.tee_type =3D tee_get_type(); dom0_cfg.max_vcpus =3D dom0_max_vcpus(); =20 diff --git a/xen/arch/arm/include/asm/vgic.h b/xen/arch/arm/include/asm/vgi= c.h index caffea092b..24a4a968c3 100644 --- a/xen/arch/arm/include/asm/vgic.h +++ b/xen/arch/arm/include/asm/vgic.h @@ -357,6 +357,25 @@ extern void vgic_check_inflight_irqs_pending(struct vc= pu *v, /* Default number of vGIC SPIs. 32 are substracted to cover local IRQs. */ #define VGIC_DEF_NR_SPIS (min(gic_number_lines(), VGIC_MAX_IRQS) - 32) =20 +static inline unsigned int vgic_def_nr_spis(void) +{ +#ifdef CONFIG_GICV3_ESPI + /* + * Check if the hardware supports extended SPIs (even if the appropria= te + * config is set). If not, the common SPI range will be used. Otherwise + * return the maximum eSPI INTID, supported by HW GIC, subtracted by 3= 2. + * For Dom0 and started at boot time DomUs we will add back this value + * during VGIC initialization. This ensures consistent handling for Do= m0 + * and other domains. For the regular SPI range interrupts in this cas= e, + * the maximum value of VGIC_DEF_NR_SPIS will be used. + */ + if ( gic_number_espis() > 0 ) + return ESPI_BASE_INTID + min(gic_number_espis(), 1024U) - 32; +#endif + + return VGIC_DEF_NR_SPIS; +} + extern bool vgic_is_valid_line(struct domain *d, unsigned int virq); =20 static inline bool vgic_is_spi(struct domain *d, unsigned int virq) --=20 2.34.1