From patchwork Wed May 15 07:14:16 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: 1935285 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=e8Yb8eFT; 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 4VfPdQ08Hbz20KD for ; Wed, 15 May 2024 17:15:37 +1000 (AEST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1s78qM-0004Xg-1D; Wed, 15 May 2024 03:14:31 -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 ) id 1s78qG-0004WE-HD for qemu-devel@nongnu.org; Wed, 15 May 2024 03:14:24 -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 1s78qD-0000oc-P4 for qemu-devel@nongnu.org; Wed, 15 May 2024 03:14:24 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=eviden.com; i=@eviden.com; q=dns/txt; s=mail; t=1715757261; x=1747293261; h=from:to:cc:subject:date:message-id:references: in-reply-to:content-id:content-transfer-encoding: mime-version; bh=AokO+Y+dmAog8wVRs7/0+s0ZVn9kR7aKuJmrVWyh9P0=; b=e8Yb8eFTwRoM1Sex8uV7vJeGt4/S8fbApI0+GeWBSA8tBNCZIMssqLXl Y78KC5uXicqSfQ/bZs/2JA+QMST1TtQpjg52n/z2QVCPPirlDwquP07tr hEWZaEKvpoouelDHolkOcpdcg8UCoV+6XoaSYSD6gu429M77RtIXyu8ol 4b58XS0/UaBGuMpFwMaBq2h4JL93FYmLmJAfuV+jghWwju51Gze91ysUU +10yxeAwMDf9qVGIY7l+YUY/W/lwrfFqFyKTYm3SOTcFKxisa2EAbidmb erkmXBnTwro1Z3be6UxKPDRTyK5QCcL8q0ek6UvA+8Um7ZSLaBxphJFbL A==; X-IronPort-AV: E=Sophos;i="6.08,161,1712613600"; d="scan'208";a="12635435" X-MGA-submission: MDEvMaYoVmKgfibQ5D99Lv3zNQgHXH26XQ4V8WkkvEX/xWX92iLZV43wrb9CXB6kftmQj8Bh/o4D+65zoLc7ow1fdGqXkaLIAcVA9traemO8FejFIG/s1CgDxh1Cj4EWqZD7sOULvei6qiIS2WJ2fcPiOV8zcBun2fir+TSdU7VOyg== 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; 15 May 2024 09:14:18 +0200 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=GZWwukd5W8PbCgbqSS2eVtXQtZAXz/rcwkwB99C3GBPvP3HKbh0eAc1C84cnoFWvb1zktzK/GzdbHsTHugmbeIMfatKDWD81tkcZ0QxOTnuOrxnqT9oT43aljS74JR9tBOdXASpMy6Fo2PDrHLgqzdBwfke/JsqEGv/+zydWYv4ZaEuZiV35JNTWSQM29VSdMxViI+7iQbTROLUkdsxRX1yuT82B0+YGvzLUUKu79dohI0vtz4vR+ucmFj9mOHlJ5yZE+pSxVRaE+lWXbEdQsl51I1atsQFy5ToyRW570Qw7Eckd+L04BBFgZdC01SvM8d8vQw53LWgJvI1oeXBwjw== 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=AokO+Y+dmAog8wVRs7/0+s0ZVn9kR7aKuJmrVWyh9P0=; b=DmsKQCm//hOtLmxtA3YAzveB6tiIwLr/fCXIjyl9ynhkKcnwEXYgyvD0x0DMXSEPTyGEgKH2qgE0PJO0OIvCKzGHhk+fMAU0ciU1MaJUphBHMownbKviIEYr3qD5WW2H25gHe7DpRtVRBY1xB4V2GVQQX5CYy2J43jcFYQefoYB6XZ7fNM6pMR1uhCQ/Q9K+9NUSVv6jXBgyJio4DSBIhwFkGj1HsJFNkAxe/8eurRSEj+SjfdSEskr6TZ6Cj+RDZJ/qQBCvdDq4wMn7J48zIQzBWrTwEXwX9VNLvZ6DOPXA2bu6rGrYNcOjZuETpmfEJv9RBwSB+CgV9GYV3aBzjQ== 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 AS5PR07MB9896.eurprd07.prod.outlook.com (2603:10a6:20b:676::11) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7544.55; Wed, 15 May 2024 07:14:16 +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 07:14:16 +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 09/25] pcie: add helper to declare PASID capability for a pcie device Thread-Topic: [PATCH ats_vtd v2 09/25] pcie: add helper to declare PASID capability for a pcie device Thread-Index: AQHappd/7uFSi459/0Sy623t6JmRtA== Date: Wed, 15 May 2024 07:14:16 +0000 Message-ID: <20240515071057.33990-10-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_|AS5PR07MB9896:EE_ x-ms-office365-filtering-correlation-id: f7c61076-24be-4780-8b93-08dc74aea190 x-ms-exchange-senderadcheck: 1 x-ms-exchange-antispam-relay: 0 x-microsoft-antispam: BCL:0; ARA:13230031|376005|366007|1800799015|38070700009; x-microsoft-antispam-message-info: =?utf-8?q?n5ed1lmRXTLq2vbjXRBohaNUTb3JNwW?= =?utf-8?q?wYHWolLnRAkp0KkSR+XmClM+wcyYN1KpOSqhXNgxybYumRt2iJC2MHm4NxcByDAZx?= =?utf-8?q?vv9rWnk34o56tQ7HyabIqf5N+o0iI6N14rarAgUT3UouAZY0mTMI55F/va/hYmaHq?= =?utf-8?q?rNrrd4A3qmkm/2k/33sCmMqiXWXIH6KVyjEohdvjJSU/C6SgA8/ztXAFZKHtvVrMb?= =?utf-8?q?MJ4P7ok7d0cGZRSHJH4PUcQU/AYV0kgnIhoUpyG3hmnMqgkMotK7XdUOkqlSPhizA?= =?utf-8?q?HizE2pauZQHk2LMML0N9HM8vvz2N8EcFeQklmYeNza+krSeAg2gDG9pm8FNHs0ll0?= =?utf-8?q?MISY++yeeRihL0+n0CuZkWVXjWX/qWKISG5Laufp9F8jc1aoTtbMBQ7vJ97NbT3VC?= =?utf-8?q?XK72IM29XQ1T5Y77/xBEvP8rg7cx00FBSLVUa3oG2rHQqkOpry1SCLdXk/Y8DiBal?= =?utf-8?q?MOkSoeK37z/wzGp3AoS5vSjlWugVr++14K+2PIGubBZ634pMwW9sVWb2iChQo8x/z?= =?utf-8?q?bvUaN4MgJlcjI8pgdicGg/ViiYnJUEIyThHVzsy1IkDEEhSDWzT19ITMGzJHF3WnV?= =?utf-8?q?h2oJb7Kk8/86JjlfJwp5aX4YkErWyuZU8bjx84CqomJjRcwPzVMW2e43cbrO3l3sI?= =?utf-8?q?2E9eacmeDEeYFdY8FsrhGoHmEzyzdYd2ykmb1a7i87gyiH0SpX4rXmDlMtphkWv30?= =?utf-8?q?dKT3Ag3a/ub4Z7n1i0zwRgmh1/Wf3snm65GP933pkyThk2EvakLg00wUhDxSZlNqe?= =?utf-8?q?YHHuoNLwSbW28plLeiGbFDKPw+qjIJMCTYtmcJUak11YGtaHKaShVUMSNMbLbbWu9?= =?utf-8?q?mPOUdStR2nOPwzkpmMjbKH/SfxEtUd9VgtjDpWzY5o96Ot+S6A0iLNcNYBisddthL?= =?utf-8?q?71Rf2Qjdb8LBbrIJGl4OdL5h9peWARPexC6cF02jgleUwFJy3Ln3lsQYASeKBz8Nq?= =?utf-8?q?X7lu77UXgOHFLubqVQESUNZbSleaOitdAEe1gjAf0evyhyFaip6s7zXr178jp0AWo?= =?utf-8?q?J/IdNo1QhJ3a3NFQv5xBYsqtwEy3tf3ybCyYtZo1KfPW9RV/Zbt3yP0AdC0OJjx/M?= =?utf-8?q?8BheoRvurJArxgo0QZDBGA8PKPbuxCOH9xkd168yYSLxEnrZQ/jnPNjArnhPUxqvQ?= =?utf-8?q?6LH6z9elkDKlVcIduXf3LvoajpmfP+hymtBnFRJA1Y3e4SXh+9gs3LaflnkohhBl4?= =?utf-8?q?nmfXP2yRhMiPlZdHqbrdY2V8l1KEsB0iPXkvPRctEOr4EWbvOrVmSSFtyTzha4z8W?= =?utf-8?q?JTM+bJxm6i/FdPh9Rz+v/0Y1DMkBTCMmXQg=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)(376005)(366007)(1800799015)(38070700009); DIR:OUT; SFP:1101; x-ms-exchange-antispam-messagedata-chunkcount: 1 x-ms-exchange-antispam-messagedata-0: =?utf-8?q?4HHTBcIolQybX/N/n6iaOYV/fdK3?= =?utf-8?q?syRQM6aqSdP46/YPuKkZE7AIWQl/qry4Yejzj+eZSLteTSzaydVdx89Y/h+Kv8jKB?= =?utf-8?q?PLQ6zL+BUBcz94WjnXB1i2xRFla0RdTxTvJeSlkHA6JJVPAAc8PmCmsRe9yLW2sqD?= =?utf-8?q?CCt4v7fSHFEaYVRDMYSHNfFydk7oo/dY3hnMEPRL2/6Pom1/6GZ9mTkz6ZPNTFMzf?= =?utf-8?q?K+1YmPnu4D+6UKyM04CMBZ22LC06U28Jqe2qWeyZwEs7G3eUPRV3hASpyTjvUHdX+?= =?utf-8?q?Xpt4rJfJjSz0+fw5KD1cEiu2DtJB/ir5EPKlpm2m6hP05SCts7G6QY7yj2mG0d0/v?= =?utf-8?q?UxgDNFr9VUxyS/qSBziJtEJQw/pCxETKJmzzSWBXQbYpWjpHIcNkq3nf7lOrdBntd?= =?utf-8?q?/jiE1PaEm3+fAR/D6/bVlSQKe86bA4b8GlyoPK6bPVRVrwK+5JVuHEpR7pybdjfoP?= =?utf-8?q?/bEWVv61e2GjiPJm0U/CJt8lSQgfZGDdnKk8/F++LfT3UA1Y4taE79J91PXQKLGl3?= =?utf-8?q?9u0DAAd2runqMIks9HfvVY4ThOyG1vtllvWaWrdcQbgoJC1sywnkxbka/AvZwMX9i?= =?utf-8?q?rqZevEXcw9cc/YTNSYPt3n2OE+NvLMwWqgfT/Bj+zCueTlrt7yHGUpctYellAXGkZ?= =?utf-8?q?wzhf9VoukaoG4QCGtRL8n34jOADtchhmO/9PlJBpddb9dYT9HYDKmxloNGxi84Hyb?= =?utf-8?q?zbFXZWgEp6Ats8H1PHbbIIhMeFSuyOIFCE5KgJQPQL4lhdX1wMCnqhAymK7KMnTQT?= =?utf-8?q?IRgzizA6UFo2aSmPybJ0OeUIZHH1y1jFZITislV2ezLGRSn42aeT/2yGL8Ey9SZBB?= =?utf-8?q?bpVpWg5JV0BPMK/4AucvJ2O/+V2c2gYwmtxsv3tqVO9U0NtFht8ZkjS7Sch/0/wDl?= =?utf-8?q?plIDKfzoBgb2ecY+v42i/BT6PMMQQJ6YjsPAvtDSDY9w2TyIJLnloD+iwF2gH40Do?= =?utf-8?q?NwWcWgebvrb+swILCJCP+nNkYxp4S/ggbJ/tw+35uPTvmZsAHPVZdt6aD8aCd9ywl?= =?utf-8?q?HVsroUzqVsb1Rph0QiNw43gL8OkRoBxvZpe2MoJLK/6CL1C9GxP87WsR/hMFFO6d/?= =?utf-8?q?+0vbTjsZE1uVvC1lPVhrYZPHYL6DRPotv3ufSqBPUPWQdXz7kSV+wfjLuMx8Olp9H?= =?utf-8?q?bTTBTaa0JXTg/CfB+ae9WWUomen5UDsZBQdjtWFhywgBlu+wDgJnrFkdUwzSayPZQ?= =?utf-8?q?VzOzh0+eFBDODaQvojuh/gVOAmxPRsQO6gDBkN8f5UwAKOPSsWdTZ1cmJ9ZzCXlQJ?= =?utf-8?q?hdCGLOEb7Lq5IKK1RYQHDoF6Hmb/+zek3gGJ8JInwpdOfN02pAV80/x//VoqlCTTd?= =?utf-8?q?Y+89Zpa5wdzvzA0bgn2u7kFzDR1XoAw2QVjFAtU+XjxK9m1qqpw+pX8Vbxtxy2eu1?= =?utf-8?q?yJnM5KHH0qVREvAhrNBBM9Jwe7a5BHmGmivG8fKggGocZjzNOYfqmCpA1wz01X0/R?= =?utf-8?q?8q4PGBMy3ARSZs8rqnaRzOM9TF96g6pyYUj6TVwhfUOpdfQsukNIEzH8+eTqO1FY0?= =?utf-8?q?CGmsQtmtrvUCUdIuqeErOWTLfBpCkMOMKpSR78yz8xP1GlD5/nDWaCM=3D?= Content-ID: <90317D1ABB80924C8C5CB9ADFC71C2D7@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: f7c61076-24be-4780-8b93-08dc74aea190 X-MS-Exchange-CrossTenant-originalarrivaltime: 15 May 2024 07:14:16.3231 (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: Q4GfcaMWGY1Uhx8q76lAz9TYdkVKEayaES5iZA7lvyMNtzWZvaymI9L5c3L80VD8pMhzlkLLX0UomOJI6LNH/eRIIlbDYeK/U3emczJnWpyNV+Pgo17qz1880iTW7gWB X-MS-Exchange-Transport-CrossTenantHeadersStamped: AS5PR07MB9896 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 Signed-off-by: Clément Mathieu--Drif --- hw/pci/pcie.c | 24 +++++++++++++++++++++++ include/hw/pci/pcie.h | 6 +++++- include/hw/pci/pcie_regs.h | 3 +++ include/standard-headers/linux/pci_regs.h | 1 + 4 files changed, 33 insertions(+), 1 deletion(-) diff --git a/hw/pci/pcie.c b/hw/pci/pcie.c index 4b2f0805c6..d6a052b616 100644 --- a/hw/pci/pcie.c +++ b/hw/pci/pcie.c @@ -1177,3 +1177,27 @@ void pcie_acs_reset(PCIDevice *dev) pci_set_word(dev->config + dev->exp.acs_cap + PCI_ACS_CTRL, 0); } } + +/* PASID */ +void pcie_pasid_init(PCIDevice *dev, uint16_t offset, uint8_t pasid_width, + bool exec_perm, bool priv_mod) +{ + assert(pasid_width <= PCI_EXT_CAP_PASID_MAX_WIDTH); + static const uint16_t control_reg_rw_mask = 0x07; + uint16_t capability_reg = pasid_width; + + pcie_add_capability(dev, PCI_EXT_CAP_ID_PASID, PCI_PASID_VER, offset, + PCI_EXT_CAP_PASID_SIZEOF); + + capability_reg <<= PCI_PASID_CAP_WIDTH_SHIFT; + capability_reg |= exec_perm ? PCI_PASID_CAP_EXEC : 0; + capability_reg |= priv_mod ? PCI_PASID_CAP_PRIV : 0; + pci_set_word(dev->config + offset + PCI_PASID_CAP, capability_reg); + + /* Everything is disabled by default */ + pci_set_word(dev->config + offset + PCI_PASID_CTRL, 0); + + pci_set_word(dev->wmask + offset + PCI_PASID_CTRL, control_reg_rw_mask); + + dev->exp.pasid_cap = offset; +} diff --git a/include/hw/pci/pcie.h b/include/hw/pci/pcie.h index 11f5a91bbb..c59627d556 100644 --- a/include/hw/pci/pcie.h +++ b/include/hw/pci/pcie.h @@ -69,8 +69,9 @@ struct PCIExpressDevice { uint16_t aer_cap; PCIEAERLog aer_log; - /* Offset of ATS capability in config space */ + /* Offset of ATS and PASID capabilities in config space */ uint16_t ats_cap; + uint16_t pasid_cap; /* ACS */ uint16_t acs_cap; @@ -147,4 +148,7 @@ void pcie_cap_slot_unplug_cb(HotplugHandler *hotplug_dev, DeviceState *dev, Error **errp); void pcie_cap_slot_unplug_request_cb(HotplugHandler *hotplug_dev, DeviceState *dev, Error **errp); + +void pcie_pasid_init(PCIDevice *dev, uint16_t offset, uint8_t pasid_width, + bool exec_perm, bool priv_mod); #endif /* QEMU_PCIE_H */ diff --git a/include/hw/pci/pcie_regs.h b/include/hw/pci/pcie_regs.h index 9d3b6868dc..0a86598f80 100644 --- a/include/hw/pci/pcie_regs.h +++ b/include/hw/pci/pcie_regs.h @@ -86,6 +86,9 @@ typedef enum PCIExpLinkWidth { #define PCI_ARI_VER 1 #define PCI_ARI_SIZEOF 8 +/* PASID */ +#define PCI_PASID_VER 1 +#define PCI_EXT_CAP_PASID_MAX_WIDTH 20 /* AER */ #define PCI_ERR_VER 2 #define PCI_ERR_SIZEOF 0x48 diff --git a/include/standard-headers/linux/pci_regs.h b/include/standard-headers/linux/pci_regs.h index a39193213f..406dce8e82 100644 --- a/include/standard-headers/linux/pci_regs.h +++ b/include/standard-headers/linux/pci_regs.h @@ -935,6 +935,7 @@ #define PCI_PASID_CAP_EXEC 0x0002 /* Exec permissions Supported */ #define PCI_PASID_CAP_PRIV 0x0004 /* Privilege Mode Supported */ #define PCI_PASID_CAP_WIDTH 0x1f00 +#define PCI_PASID_CAP_WIDTH_SHIFT 8 #define PCI_PASID_CTRL 0x06 /* PASID control register */ #define PCI_PASID_CTRL_ENABLE 0x0001 /* Enable bit */ #define PCI_PASID_CTRL_EXEC 0x0002 /* Exec permissions Enable */