From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 69E89606A31A for ; Thu, 22 Oct 2026 17:42:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=intel.com header.i=@intel.com header.a=rsa-sha256 header.s=Intel header.b=WMADnltP Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 1B07E10E44B; Thu, 22 Oct 2026 17:42:25 +0000 (UTC) Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.12]) by gabe.freedesktop.org (Postfix) with ESMTPS id 6F09311285D for ; Thu, 22 Oct 2026 17:41:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1792690890; x=1824226890; h=message-id:date:subject:to:cc:references:from: in-reply-to:content-transfer-encoding:mime-version; bh=AxI4B5gnnc9jXZmflUPpZ/ke6U8CfDGlH/+7hn142JE=; b=WMADnltP2tA7ZBHeobMzBKtQtBGxE0DSMV0zZaQ6TaDZA3t6xIqWDpKI Rpw8OCPo7WWm/OoFJx53dcVE1kkWVXIYAZ2YFrK4boUaz6l18OuyII++O 5nnMSwzBZrowsmcflsUCW44GOdnnTwgW+JNfF4bljwvyoVINJxoFprXpt TdMDmY8kRNdqylu9+lVWJKCH/xuBDor4sbGXU4wBWCeB6bTAD71NKaPD/ /W0CHl4LfswHntf3dbpIjYEMaOS2Y/Sf8FkpWGeIjlO9Qmry/FSki5mgA rHDCAJ6B+vyvEZAdEs/XTqZtUEbKdEv0znDvWC+PTgUMs3nOhXHOPryZk A==; X-CSE-ConnectionGUID: K54tk2zISTm9YnHoooV7/Q== X-CSE-MsgGUID: JwqvsXK+Q520EASRRcWLzQ== X-IronPort-AV: E=McAfee;i="6800,10657,11942"; a="1328546" X-IronPort-AV: E=Sophos;i="6.27,172,1787036400"; d="scan'208";a="1328546" Received: from orviesa009.jf.intel.com ([10.64.159.149]) by orvoesa104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Oct 2026 10:41:27 -0700 X-CSE-ConnectionGUID: 4nk7AGcQQo6aZU2xkiBkSg== X-CSE-MsgGUID: 5pX1fr88QKm2lJMhBEOocw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.27,172,1787036400"; d="scan'208";a="3421497" Received: from orsmsx902.amr.corp.intel.com ([10.22.229.24]) by orviesa009.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Oct 2026 10:41:27 -0700 Received: from ORSMSX903.amr.corp.intel.com (10.22.229.25) by ORSMSX902.amr.corp.intel.com (10.22.229.24) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.49; Thu, 22 Oct 2026 10:41:26 -0700 Received: from ORSEDG903.ED.cps.intel.com (10.7.248.13) by ORSMSX903.amr.corp.intel.com (10.22.229.25) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.49 via Frontend Transport; Thu, 22 Oct 2026 10:41:26 -0700 Received: from DM1PR04CU001.outbound.protection.outlook.com (52.101.61.26) by edgegateway.intel.com (134.134.137.113) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.49; Thu, 22 Oct 2026 10:41:26 -0700 ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=iDMmYGKEhBcMZpFXYafHkD1EO8bB+0P8+s81tBdYcCzOkFi7pQMKrlsbhy6ZGsPz1cwxowionhTMI4Mgj/yM2LqjilxEUqGKGjWY7pOVF77Gvw1w5Z9c18Q1fYZYnd/XfuFmcfX4PGpmCjG6i1YbTrzzrb6gnyGsRJDYEgyz5QvLy4l/Rwket220W06QXQmiv9H8GoEUnjDBFijHaqlJvBPQBJ7kp/SG6Wx4A64okkzsEWYI6tuc6ECU65QK779idc49atRegr62T+jlfkG93lR/glRcmtA3LJx1rr+dT1iCmepbBMIcHpWgT9qMNWHc/waCkK3ijqPgWB6DnL0GpQ== 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=nirQIK6xL2nL3vBtP989APrHDW0tJMHGY0vZrFIZzAs=; b=ikCLqBEva3/ppGwms4XJ+M6RMMD+x5LRYB0z5ghMuAgIItwlLYAesk2/3PZ16HvtL+L/mF6yDVv4TtVrEUIK9FOxO751YkaYWYSMyoOZiOdPKHkmoJpWv8zGlF/+eLdfXxH4aQmKXgwDnTWgAF7+FMGq5PV8FLuG+gAtCUHdrdBNClkSJg9aL5w21zt0LjHBJgqM6BsmG+LcbNN1yI2pBh8O/rC5p1zWNFB2QBK4aBhu491ebt2ThiX4T6g+mMZy3nJSEiK4+2akODoa1ZLzRxgu96ZE7XfhlG0mrJ9dva6m/S/ZU9GYoiaL+YS8SGf+GCQJQRHWlztwZM6MXDmstQ== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=intel.com; dmarc=pass action=none header.from=intel.com; dkim=pass header.d=intel.com; arc=none Authentication-Results: mx.microsoft.com 1; dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=intel.com; Received: from DS6PR11MB087165.namprd11.prod.outlook.com (2603:10b6:8:4c4::7) by DM4PR11MB7325.namprd11.prod.outlook.com (2603:10b6:8:107::7) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.21.546.15; Thu, 22 Oct 2026 17:41:19 +0000 Received: from DS6PR11MB087165.namprd11.prod.outlook.com ([fe80::4223:7b03:1329:265f]) by DS6PR11MB087165.namprd11.prod.outlook.com ([fe80::4223:7b03:1329:265f%5]) with mapi id 15.21.0546.012; Thu, 22 Oct 2026 17:41:17 +0000 Message-ID: Date: Thu, 22 Oct 2026 23:11:08 +0530 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v5 07/10] tests/intel/xe_err_injection: Add GT UC Unicast GAM Walker Command Parity Error Injection To: Ravi Kishore Koppuravuri , CC: Riana Tauro , Anshuman Gupta , Raag Jadav , Badal Nilawar , Mallesh Koujalagi , Harish Chegondi References: <20261013190651.897241-1-ravi.kishore.koppuravuri@intel.com> <20261013190651.897241-8-ravi.kishore.koppuravuri@intel.com> Content-Language: en-US From: "Purkait, Soham" In-Reply-To: <20261013190651.897241-8-ravi.kishore.koppuravuri@intel.com> Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 8bit X-ClientProxiedBy: MA5PR01CA0309.INDPRD01.PROD.OUTLOOK.COM (2603:1096:a01:220::13) To DS6PR11MB087165.namprd11.prod.outlook.com (2603:10b6:8:4c4::7) X-Archived-By: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DS6PR11MB087165:EE_|DM4PR11MB7325:EE_ X-MS-Office365-Filtering-Correlation-Id: fe98413c-b0b8-410b-4706-08df3063ad14 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; ARA:13230040|376014|366016|23010399003|1800799024|261022105027099003|56012099006|4143699003|11063799006|261009223027099003|18002099003|10067099003|261022113327099002|6133799003|261021135927099003|261021121427099003|22082099003; X-Microsoft-Antispam-Message-Info: mwxXxVdGKWn2F8PDBr2Nyxa35uGyM4eaTThgZQU1CWXqJDzq3oGl4KiqFaogi/wG1FGCj/+5g2B5NgTcONJGEi31lwfPBrHtKbgEISzOiBDQm7mIUCdvPnwX6eFKrN0RKJQFAXHINw9oAeCvuvtae+FKDZap6G+2JsOimLAjQC0aZICS1wpykQpKc6Nu/h51CHMfKvVgZwz6xRCadGp1tbYDMDK5ljYWTIs3bF6LppCa+vhoe3F3LcLKgxk2UOxZZxqjEbetidUrkvmpbGlKyycCOKto1Ni3NJvoq7Wx/9oucx7Gjlh0NGaIQjr5o85MPBKLDj2nySv2eUkE+F3WeL1BatKCGW3w8ukQptLs++S47vLPpEeJ7mMEsTk88zUECypUMJboFtEPTVeCELY4ZO5tEad0q5J7c7J6WBkF7tdJRX5qAOJRUpGiMDC3DmZjSuJIosAC2ktDE5+anKcjPEdv51VhcBdv/iUi9XXpoG0pegusAheDXFGPif0qbi94P1MPOXbM0Bn5XG4+U8fDhoyTbB2SVeGT6uujFTj2U2er9lZRK9JZmdtiQ0ZVyoCXUf6YeVA18wQzKU7lAqqLGRqzglhjT9A4c2Rv7uFkshHbV3CGi1vsx94OQ1IY0d3tlbEePerbM2yDIJedVArobOfO6o2knDmKtt1DTbjScjY= X-Forefront-Antispam-Report: CIP:255.255.255.255; CTRY:; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:DS6PR11MB087165.namprd11.prod.outlook.com; PTR:; CAT:NONE; SFS:(13230040)(376014)(366016)(23010399003)(1800799024)(261022105027099003)(56012099006)(4143699003)(11063799006)(261009223027099003)(18002099003)(10067099003)(261022113327099002)(6133799003)(261021135927099003)(261021121427099003)(22082099003); DIR:OUT; SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?utf-8?B?RUllTlNWYW9sRGkwem5FcXBHSVI3YUwyQ3hFdzllL28rVmt3TnJWMFUyQmlv?= =?utf-8?B?bXVja0U2NWJOU1dJL2JBSFJUaCtYUXZ0aVN5SnNYRktLQnFCWFFFem83bjZC?= =?utf-8?B?RzJUeFJRcm1WZ1JndjVKSFlZSDlVNlkvd1JDeHFnVUxkNzVGaFk2N2NkU2ZY?= =?utf-8?B?cW5nV2R6VWVNWVhueHdjM0s2Z3RGWDZjcEpUTGlaMDlxMUxuYkVrd3ZOZEp0?= =?utf-8?B?MVVDWVgwNVNaWnFjbWVFeHZkTWFzZXNFczN0SVExZlQyK1J5b2JZWE9GdS9w?= =?utf-8?B?aXFaNy9GVVZJUHBab01manp0cEVWa1VNemgzcFhzTUJvL1lhdzZMRERyVzFq?= =?utf-8?B?YTJXSCtOakJQUWcxNFJhblV4WWNQbytPRS9NbzRPNFVMRGptNnpMZ3ZKYjlP?= =?utf-8?B?TkFNMFcyM1pwblFmVjZCd25YWGhZR0FtS0JSSUNMWFR0VzZDbXhWNmFJSnZw?= =?utf-8?B?bCtFeVh2ZEMwOWRGUzVnMXZtVGxwdHBtR3NvZDJPc1RER1VOUUQ1RGJnc3c2?= =?utf-8?B?NW1QQkcxRmR5YlEzTDdPeGJwMm5JTUJRemtiNFk4UFdxVXJMT20xc05kQ1NL?= =?utf-8?B?N0J1eFZSUDRFRmJYQW5hTWhpRGVhTnRLMGRjN2sxSUhRdDdHYVpJL3pqUkRx?= =?utf-8?B?bXpibVh5YWN3QWtvak9QZ0lIUFBWRndreU5rMzN2RzFMbG5ELzhzQnhseXFj?= =?utf-8?B?amtmc1dGay9HcmhEelBmTWVOTzlEMzl5NXdWaFhCeWRhWWsrT3VIYXNBUTBY?= =?utf-8?B?Smx0Mnk4ZTBFdHRYZ2hEVVBWZG01cmFzTkhOa2YrTnZPMUFKQXNrQTh6a0c3?= =?utf-8?B?dE5sNE8xZGJBTXBEbitwSiszdGxrQTM2Z0FGWkN3UHJYOHZCNEt0QVY3dkRX?= =?utf-8?B?UEVIZlk0THlBQzZjc2dxL0E2Q1V5OXUxVnF3RHBkaElFWnJTaW1STzB0M1NK?= =?utf-8?B?QVRtQlFVSmRzajNJQXljK0MyNy84TWdVSjRsTkFIbTEybjZ3UWR3WXFmN0lR?= =?utf-8?B?RkRkNG1zQjZ0Yjd5V2h6Vmh2UHlQcFlsUW15cE83UEJ5S085bTVkQ0w5ZUE4?= =?utf-8?B?UE15TGVOamIwYmk1NU40M056UmdHeUhOMElnMkxWeDdMcXNwU1NTUEdPZ0VE?= =?utf-8?B?M3h5dTRKN2VCUDBEUCtxR2J0RXduWVlmbERPRjBVNnJzSHJrUlJST0l0K1Bi?= =?utf-8?B?ZmpDbWlVSzBrL203aSt3R0tTSzBiTFVXLzMwTlFWNnhEM1lNaWdwdlE4bFRK?= =?utf-8?B?alpFaXhXYm1KVXc2NVJxNTdCL0NNWTI0UDUwWjdWVmZFc20wREJwNzVwdUpR?= =?utf-8?B?bjJzcENKdFN3UWFRc3k2TU5zMzB2c0dmRTVoa2I1c1dseEZxK0Y1dXU0RFBl?= =?utf-8?B?Z0VZUmZYRExxZzBmcDl4eXdmR3ovdld4TWlQaDdpS3NSWVMyOE5JWjY2ckk4?= =?utf-8?B?NUlYSzg0QmZVS3BqdkVLMUlwUEd1REVjRHdQRzIveGRnc2pIbXF5OVVBV1RO?= =?utf-8?B?UlRYYTBnMG91QkRDRDZPK2pXelFmQ3YzZTU3dG8yMVB4SjdhSk4wVW4xaXJ2?= =?utf-8?B?Y2RsYy9SUDByWDN0c3pjR0ZNWEVuK21rMmxFODIvRG5XT3lKYWYrdExuVDNG?= =?utf-8?B?ek9HeHVoWFBuSFpFeDJ5SEVld0JNcGQvaVJjRjBEMjk3REdGVnFrRi9UL1V6?= =?utf-8?B?SmlXVElQYXVCYXpDbnFYN0RSYm1ubGx6WjBEUzRieTE1OEZhSDNVWG9wTUNG?= =?utf-8?B?OTVqb01UTURGN0tQTk13NEZTblhKVjQ3YlMzN2tRRnYvRDBTS1E1M0V4WmUz?= =?utf-8?B?OXd0MWxuajRSNlFtaUpuZmNWRzV2Q3J0TlAvODN6bkIrRE4zQTBGQnBueFhK?= =?utf-8?B?WG1ETGpkSGI0OVJhVklqaE90VStlYnJrOWg4SXRrbkxGTGxiQXN3dUgzU1pw?= =?utf-8?B?WHVrOXVpK1k5NGExV3ZuNFY3a0pUM005dm9LckxqeTVWUWRreUNYUkE1U1BP?= =?utf-8?B?dUtBa3MwT3VQSkYzV0tWQ013OHliMDBwcEdlUjF0ZTJiaXV6TUdsZWxsSHRz?= =?utf-8?B?T2RnWDUyWVlnMHJ5T1dZWStwYk1rMm1tbFVscjAyUkFUYms2TUFLM1ZWM1Z5?= =?utf-8?B?cDlUN0p1bU5mekRaTmxOM1RiZzgwa01KOGwxamZBblN6eHlyZGdJK0xyaXF5?= =?utf-8?B?N1BvLzdyOWNkK05pOVBvY20vcytkcTRvM1dTOFhwV0d2WThYcTJkQ1l0UG1t?= =?utf-8?B?a1VCdHp2UTV4b2UxMVRubHhCOXB1WVJqN0ZKdUgxK0JUSXVmc3ppZkVxSlJz?= =?utf-8?B?VDJxcG5RRitDRW0xc0twUWVrM21lUWZBRE5DV1phL1ZxMDFWVWtBaXBWaW1S?= =?utf-8?Q?JVNwI6zmuZi1dIQ4=3D?= X-Exchange-RoutingPolicyChecked: U2Ffkdzghn5sl3Qgp1HmIbQRoLHThq5Vb+nUtBFcoDkLTlt3Z3g2ucvlacv6bSjlUizAWLOKyGo6LCDSSB/c5eJvMGHrzHeudRgVd3GmLuJ6RqxFvMI8BYuLAQemHrRJOMjEgp6zWZ9iaJ2uQy8iTIsbSuP01yPrJbN1+zwiY4DaY+6szX7Hvewy4E1vJj4NfL5LhdWd9RUosX+lOC8MtBNFYiAJzX6pkN6rNMaN9d3Lv2yhDqrh2vd+IrqsovA3sn/Pch5PoudOfJyFmGlp9af/EDObiEqurpzeDuKJaYlFcSLvBY08vlSg3NBXbPH8l5Nk5CtqalfQnlJImOsngw== X-MS-Exchange-CrossTenant-Network-Message-Id: fe98413c-b0b8-410b-4706-08df3063ad14 X-MS-Exchange-CrossTenant-AuthSource: DS6PR11MB087165.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 22 Oct 2026 17:41:17.4582 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 46c98d88-e344-4ed4-8496-4ed7712e255d X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: ycPSzTrRnFoo2cB9QM5NZT6JXadvJy8qe9x+Sg/8RVpJUT4lD94j75eo6XxJCBmI7GjYaQREMAKhF/0SG2HM8A== X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM4PR11MB7325 X-OriginatorOrg: intel.com X-BeenThere: igt-dev@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Development mailing list for IGT GPU Tools List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "igt-dev" X-Spam-Status: No, score=-17.3 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=4.0.1 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 Hi Ravi, On 14-10-2026 00:36, Ravi Kishore Koppuravuri wrote: > MMIO based GT Uncorrectable Unicast GAM Walker command parity error > injection to verify the Xe driver error handling and recovery flows with > the help of DRM Netlink API suite > > Cc: Soham Purkait > Cc: Riana Tauro > Cc: Anshuman Gupta > Cc: Raag Jadav > Cc: Badal Nilawar > Cc: Mallesh Koujalagi > Cc: Harish Chegondi > Signed-off-by: Ravi Kishore Koppuravuri > --- > v5: > - Removed xe_err_injection.h and moved its contents into the .c file (Riana) > - Prefixed all register address and bit value names with "XE_" (Riana) > - Updated AER recovery dmesg strings to use enum-indexed arrays (Soham) > - Added error handling logic for function calls > - Changed test name comparisons from strings to enums (Riana) > - Added UC test and post-recovery workload tests as dynamic subtests (Riana) > v4: > - Added Steer Semaphore for disabling and enabling multicast > operation(soham) > - Increased device recovery check timeout from 5secs to 10secs > - Used updated library names with igt_drm_netlink_* prefix (Nikula > Jani & Kamil) > --- > tests/intel/xe_err_injection.c | 372 +++++++++++++++++++++++++++++++++ > tests/meson.build | 1 + > 2 files changed, 373 insertions(+) > create mode 100644 tests/intel/xe_err_injection.c > > diff --git a/tests/intel/xe_err_injection.c b/tests/intel/xe_err_injection.c > new file mode 100644 > index 000000000..332b2cae0 > --- /dev/null > +++ b/tests/intel/xe_err_injection.c > @@ -0,0 +1,372 @@ > +// SPDX-License-Identifier: MIT > +/* > + * Copyright © 2026 Intel Corporation > + */ > + > +/** > + * TEST: MMIO based Error Injection > + * Category: RAS > + * Mega feature: Telemetry > + * Sub-category: Driver > + * Test category: Error Injection > + */ > + > +#include > +#include > +#include > +#include > +#include > +#include > + > +#include "igt.h" > +#include "lib/igt_drm_ras_nl.h" > +#include "lib/intel_reg.h" > +#include "lib/intel_compute.h" > + > +#include "xe_drm.h" > +#include "xe/xe_ioctl.h" > +#include "xe/xe_mmio.h" > +#include "xe/xe_query.h" > + > +/* Steering Control Register (MC_PKT_CTRL) */ > +#define XE_MC_PKT_CTRL_MGSR_3D_ADDRESS 0x00FD4 > +#define XE_MC_PKT_CTRL_MGSR_3D_VALUE 0x80000000 > + > +/* GT Uncorrectable worker command parity error injection */ > +#define XE_WKR_FABRIC_ERR_INJ_GAMWALK_3D_ADDRESS 0xF310 > +#define XE_WKR_FABRIC_ERR_INJ_GAMWALK_3D_VALUE 0x1 > + > +#define POST_RECOVERY_WL 1 > +#define POST_ARMING_INJECTION_WL 0 > + > +/* STEER_SEMAPHORE_MGSR_3D */ > +#define XE_STEER_SEMAPHORE_MGSR_3D 0x00FD0 > +#define XE_STEER_SEMAPHORE_MGSR_3D_VALUE 0x1 > + > +/* Node types for error counters*/ > +#define NODE_ID_UNCORRECTABLE_ERROR 1 > + > +/* Error types for error counter */ > +#define ERROR_ID_CORE_COMPUTE 1 > + > +enum { > + RECOVERY_SUCCESS = 1, > + RECOVERY_FAILED, > + RECOVERY_TIMEOUT, > +}; > + > +static bool run_xe_compute_on_all_engines(int fd, bool state) > +{ > + struct drm_xe_engine_class_instance *hwe; > + bool ret = false; > + > + igt_info("Running compute-square on all engines post %s\n", > + state == POST_ARMING_INJECTION_WL ? "injection" : "recovery"); > + > + xe_for_each_engine(fd, hwe) { > + if (hwe->engine_class != DRM_XE_ENGINE_CLASS_COMPUTE) > + continue; > + > + ret = xe_run_intel_compute_kernel_on_engine(fd, hwe, NULL, EXECENV_PREF_SYSTEM); > + } > + return ret; > +} > + > +static void modify_reg_bit(struct xe_mmio *mmio, uint32_t reg_addr, > + uint32_t bit_mask, bool set) > +{ > + uint32_t regval; > + > + regval = xe_mmio_read32(mmio, reg_addr); > + if (set) > + regval |= bit_mask; > + else > + regval &= ~bit_mask; > + > + xe_mmio_write32(mmio, reg_addr, regval); > +} > + > +static void acquire_steering_semaphore(struct xe_mmio *mmio) > +{ > + uint32_t regval; > + > + while (true) { Should this loop be bounded with a timeout? > + regval = xe_mmio_read32(mmio, XE_STEER_SEMAPHORE_MGSR_3D); > + if (regval == XE_STEER_SEMAPHORE_MGSR_3D_VALUE) { > + xe_mmio_write32(mmio, XE_STEER_SEMAPHORE_MGSR_3D, 0x0); why ? Shouldn't the semaphore automatically get acquired while read returns 1 ? Regards, Soham > + return; > + } > + } > +} > + > +static void release_steering_semaphore(struct xe_mmio *mmio) > +{ > + xe_mmio_write32(mmio, XE_STEER_SEMAPHORE_MGSR_3D, > + XE_STEER_SEMAPHORE_MGSR_3D_VALUE); > +} > + > +static int acquire_forcewake(int fd) > +{ > + int fw_handle; > + > + fw_handle = igt_debugfs_open(fd, "forcewake_all", O_RDONLY); > + igt_assert_lte(0, fw_handle); > + return fw_handle; > +} > + > +static void release_forcewake(int fw_handle) > +{ > + if (fw_handle >= 0) > + close(fw_handle); > +} > + > +static uint32_t get_counter(uint32_t node_id, uint32_t error_id) > +{ > + struct igt_drm_ras_nl_context ctx; > + int ret; > + uint32_t error_value = UINT32_MAX; > + > + ret = igt_drm_ras_nl_init(&ctx); > + if (ret < 0) { > + igt_warn("Failed to initialize socket for get_error command (ret=%d)\n", ret); > + return error_value; > + } > + > + ctx.node_id = node_id; > + ctx.error_id = error_id; > + > + ret = igt_drm_ras_nl_get_error_counter(&ctx); > + if (ret < 0) { > + igt_warn("get_error_counter failed from error command path (ret=%d)\n", ret); > + igt_drm_ras_nl_cleanup(&ctx); > + return -1; > + } else { > + error_value = ctx.error_value; > + igt_info("get_error_counter: node_id=%u error_id=%u value=%u\n", > + ctx.node_id, ctx.error_id, ctx.error_value); > + } > + > + igt_drm_ras_nl_cleanup(&ctx); > + > + return error_value; > +} > + > +static int check_dmesg(const char *marker, int elapsed_secs) > +{ > + static const char * const recovery_messages[] = { > + [RECOVERY_SUCCESS] = "AER: device recovery successful", > + [RECOVERY_FAILED] = "AER: device recovery failed", > + }; > + char *buff = NULL; > + size_t buff_size = 0; > + size_t i; > + ssize_t line_len; > + FILE *fp; > + bool marker_seen = false; > + > + fp = popen("dmesg", "r"); > + if (!fp) { > + igt_warn("Unable to open dmesg to check recovery status\n"); > + return -1; > + } > + > + while ((line_len = getline(&buff, &buff_size, fp)) != -1) { > + if (!marker_seen) { > + if (strstr(buff, marker)) > + marker_seen = true; > + continue; > + } > + > + for (i = RECOVERY_SUCCESS; i < ARRAY_SIZE(recovery_messages); i++) { > + if (!recovery_messages[i] || !strstr(buff, recovery_messages[i])) > + continue; > + > + igt_debug("Found \"%s\" in dmesg after %d secs\n", > + recovery_messages[i], elapsed_secs); > + free(buff); > + pclose(fp); > + return i; > + } > + } > + > + free(buff); > + pclose(fp); > + return RECOVERY_TIMEOUT; > +} > + > +static int check_err_recovery(void) > +{ > + time_t start_time = time(NULL); > + time_t timeout = 10 * 60; /* 10 secs */ > + int time_interval = 30; > + time_t elapsed_time; > + int status; > + char marker[128]; > + > + snprintf(marker, sizeof(marker), > + "IGT xe_err_injection recovery marker pid=%d start=%lld", > + getpid(), (long long)start_time); > + igt_kmsg(KMSG_INFO "%s\n", marker); > + > + while (1) { > + elapsed_time = time(NULL) - start_time; > + status = check_dmesg(marker, elapsed_time); > + if (status < 0) { > + igt_warn("Failed to query dmesg for recovery status\n"); > + return RECOVERY_FAILED; > + } > + if (status == RECOVERY_SUCCESS || status == RECOVERY_FAILED) > + return status; > + > + if (elapsed_time >= timeout) { > + igt_warn("Timed out while waiting for error recovery\n"); > + return RECOVERY_TIMEOUT; > + } > + > + sleep(time_interval); > + } > +} > + > +static void print_aer_recovery_status(void) > +{ > + int recovery_ret; > + > + recovery_ret = check_err_recovery(); > + igt_assert_f(recovery_ret != RECOVERY_TIMEOUT, > + "AER error recovery timed out\n"); > + igt_assert_f(recovery_ret != RECOVERY_FAILED, > + "AER device recovery failed\n"); > + if (recovery_ret == RECOVERY_SUCCESS) > + igt_info("AER device recovery successful\n"); > +} > + > +static bool gt_uc_wkr_parity_recovered; > + > +/** > + * SUBTEST: test_GT-UC-unicast-wkr-cmd-parity-err > + * Description: GT Uncorrectable Unicast Walker Command parity error injection > + * Functionality: error injection > + */ > +static void wkr_cmd_parity_err_injection(struct xe_mmio *mmio, int fd) > +{ > + int fw_handle; > + bool ret; > + uint32_t counter_before; > + uint32_t counter_after; > + /** TODO > + * Fetching node_id and error_id dynamically is pending to implement. > + * For now, using > + * node_id=1 (uncorrectable_errors) and > + * error_id=1 (core_compute) > + */ > + uint32_t node_id = NODE_ID_UNCORRECTABLE_ERROR; > + uint32_t error_id = ERROR_ID_CORE_COMPUTE; > + > + fw_handle = acquire_forcewake(fd); > + > + counter_before = get_counter(node_id, error_id); > + if (counter_before < 0) { > + release_forcewake(fw_handle); > + igt_assert_f(false, "Failed to read error counter before injection\n"); > + } > + > + acquire_steering_semaphore(mmio); > + /* Arm the injection sequence. */ > + xe_mmio_write32(mmio, XE_MC_PKT_CTRL_MGSR_3D_ADDRESS, 0x0); > + modify_reg_bit(mmio, > + XE_WKR_FABRIC_ERR_INJ_GAMWALK_3D_ADDRESS, > + XE_WKR_FABRIC_ERR_INJ_GAMWALK_3D_VALUE, > + true); > + modify_reg_bit(mmio, > + XE_MC_PKT_CTRL_MGSR_3D_ADDRESS, > + XE_MC_PKT_CTRL_MGSR_3D_VALUE, > + true); > + release_steering_semaphore(mmio); > + igt_info("Injected GT Uncorrectable Unicast Walker Cmd parity error\n"); > + > + ret = run_xe_compute_on_all_engines(fd, POST_ARMING_INJECTION_WL); > + if (!ret) { > + release_forcewake(fw_handle); > + igt_assert_f(false, "Failed to run Xe compute on all engines post injection\n"); > + } > + > + release_forcewake(fw_handle); > + print_aer_recovery_status(); > + > + counter_after = get_counter(node_id, error_id); > + igt_assert_f(counter_after < 0, "Failed to read error counter after injection\n"); > + > + igt_assert_f(counter_before != UINT32_MAX && > + counter_after != UINT32_MAX, > + "Failed to fetch valid error counters: before=%u after=%u\n", > + counter_before, counter_after); > + > + igt_info("error counter: before injection=%u after injection=%u\n", > + counter_before, counter_after); > + > + igt_assert_f(counter_after > counter_before, > + "GT Uncorrectable Unicast Walker Cmd parity error injection " > + "failed: before injection=%u after injection=%u\n", > + counter_before, counter_after); > + igt_info("GT Uncorrectable Unicast Walker Cmd parity error injection successful\n"); > + gt_uc_wkr_parity_recovered = true; > +} > + > +enum xe_err_injection_type { > + XE_ERR_INJ_GT_UC_WKR_CMD_PARITY, > + XE_ERR_INJ_GT_UC_WKR_CMD_PARITY_POST_RECOVERY_WL, > +}; > + > +static const char * const xe_err_injection_names[] = { > + [XE_ERR_INJ_GT_UC_WKR_CMD_PARITY] = "test_GT-UC-unicast-wkr-cmd-parity-err", > + [XE_ERR_INJ_GT_UC_WKR_CMD_PARITY_POST_RECOVERY_WL] = > + "test_GT-UC-unicast-wkr-cmd-parity-err-post-recovery-wl", > +}; > + > +static void inject_error(enum xe_err_injection_type injection, struct xe_mmio *mmio, int fd) > +{ > + igt_info("Starting Error Injection test: %s\n", xe_err_injection_names[injection]); > + switch (injection) { > + case XE_ERR_INJ_GT_UC_WKR_CMD_PARITY: > + wkr_cmd_parity_err_injection(mmio, fd); > + break; > + case XE_ERR_INJ_GT_UC_WKR_CMD_PARITY_POST_RECOVERY_WL: > + run_xe_compute_on_all_engines(fd, POST_RECOVERY_WL); > + break; > + default: > + igt_info("Invalid Error Injection specified\n"); > + } > +} > + > +int igt_main() > +{ > + int fd; > + struct xe_mmio mmio; > + > + igt_fixture() { > + fd = drm_open_driver(DRIVER_XE); > + igt_require_f(igt_debugfs_exists(fd, "forcewake_all", O_RDONLY), > + "forcewake_all is not available in debugfs\n"); > + xe_mmio_access_init(fd, &mmio); > + igt_require_f(xe_mmio_is_initialized(&mmio), > + "Failed to initialize Xe MMIO access\n"); > + } > + > + igt_describe("Inject GT uncorrectable unicast worker command parity error," > + " and run post-recovery workload after injection."); > + igt_subtest_with_dynamic("test_GT-UC-unicast-wkr-cmd-parity-err") { > + igt_dynamic("inject") > + inject_error(XE_ERR_INJ_GT_UC_WKR_CMD_PARITY, &mmio, fd); > + > + igt_dynamic("post-recovery-wl") { > + igt_require_f(gt_uc_wkr_parity_recovered, > + "Run the \"inject\" dynamic subtest first\n"); > + inject_error(XE_ERR_INJ_GT_UC_WKR_CMD_PARITY_POST_RECOVERY_WL, &mmio, fd); > + } > + } > + > + igt_fixture() { > + xe_mmio_access_fini(&mmio); > + drm_close_driver(fd); > + } > +} > diff --git a/tests/meson.build b/tests/meson.build > index a62f447df..0f090dcee 100644 > --- a/tests/meson.build > +++ b/tests/meson.build > @@ -292,6 +292,7 @@ intel_xe_progs = [ > 'xe_debugfs', > 'xe_dma_buf_sync', > 'xe_drm_fdinfo', > + 'xe_err_injection', > 'xe_eu_stall', > 'xe_evict', > 'xe_evict_ccs',