From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id AC2F820B215; Thu, 17 Jul 2025 18:47:26 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=198.175.65.19 ARC-Seal:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752778048; cv=fail; b=Rv0sh5hPZsJzGvbsYVrVMhMF9iLT3prqGLRYvovorhryHrHvPCOoAPYQD9RDPWDeGUktLKxZyUK647hI7Mo24rBxFMjPllpsDz4rhGhM2crRC3uTqd32G5pcPp9ZHURKnLZeDt2ZaeKfR6CQ1G6XhcIihwh7Wft9wp5PA34esio= ARC-Message-Signature:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1752778048; c=relaxed/simple; bh=S60zfDGwH20OAD79GlBAR2sylAzCDk3jGsDmWakcuFI=; h=Message-ID:Date:Subject:To:CC:References:From:In-Reply-To: Content-Type:MIME-Version; b=aUxwI+pATPCgqwjSVOe6ZZOuacjCuBMmbIqewh8S0c8tTyOC8+xWyA+wn7KAJ6E2B6X3xpKEwNkKZePDybzd7/oznE0L/UoPxBbA1vIBvYoiGvUnG+oTJu998G1l94021pulfdinJHBZFgczbYQm3U3aqHsgx/aX59tsjmZqmRg= ARC-Authentication-Results:i=2; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=JrEsyGRE; arc=fail smtp.client-ip=198.175.65.19 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="JrEsyGRE" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1752778047; x=1784314047; h=message-id:date:subject:to:cc:references:from: in-reply-to:content-transfer-encoding:mime-version; bh=S60zfDGwH20OAD79GlBAR2sylAzCDk3jGsDmWakcuFI=; b=JrEsyGRE5pZMyt6vaa0NKT+d/OVMXj29XY+ALADZbwC/jjtp3k3AHavp 8QtIGCG1ZLAAi950rnDRkuFt1NGiob6zleZLxrrpGO/SaMHAQhkHFvQfn wVMpaPMImoYQoRPwg/3cnavz7L1c6PMuBaDMHaFq07QDCmbfe7mI8nAOn LJMr4P3LhyQ+wxcNXXqgePZhjixVVB9u6NM7TsxC3Q0Nb8mW6LUmMh/Ke j0DS7ZjgCm/aQDTpUw9+3djtyScwZJZErHmfjOkFF4WG2n+9YTfqOku7p QEAVAPWB98BVlrQLz44r93aV/Uw8uCg3puLMpfmbGM5Pzgg0lZc2I4ofG w==; X-CSE-ConnectionGUID: X+VRqQEoTEusvM9m5qijjQ== X-CSE-MsgGUID: h2ge0VgSScWRndQHfrUGow== X-IronPort-AV: E=McAfee;i="6800,10657,11495"; a="54926040" X-IronPort-AV: E=Sophos;i="6.16,319,1744095600"; d="scan'208";a="54926040" Received: from orviesa006.jf.intel.com ([10.64.159.146]) by orvoesa111.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Jul 2025 11:47:27 -0700 X-CSE-ConnectionGUID: N+25nNiDQo6BD9k2PeID8Q== X-CSE-MsgGUID: hR63q/i0TJq7KzOzg83UnQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.16,319,1744095600"; d="scan'208";a="157257817" Received: from orsmsx903.amr.corp.intel.com ([10.22.229.25]) by orviesa006.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 17 Jul 2025 11:47:26 -0700 Received: from ORSMSX903.amr.corp.intel.com (10.22.229.25) 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 15.2.1748.26; Thu, 17 Jul 2025 11:47:25 -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 15.2.1748.26 via Frontend Transport; Thu, 17 Jul 2025 11:47:25 -0700 Received: from NAM12-DM6-obe.outbound.protection.outlook.com (40.107.243.43) 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 15.2.1748.26; Thu, 17 Jul 2025 11:47:25 -0700 ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=eVGiOCN3WjIknOsXovbvDh/AB3UGu2U74sFZ14flhpxua7c+nPqHlHn2SOpyeXHkzR5gWYX4D/IWeYVX7HYqQ4ilKAWKyqEQYWc8cx6yBqez+seuxxsO6Nqzn+CX8eXXLsSJXxttFHctKs0ulMC6NAq0caP2xHa5q3QmITyB31TdDV1BSRj2dhzRghjth7Vgxfgs//KgAvjV8KpdGhUwv4rRpX5B10Jlas7v75BBRR56CCAQki806za3uqHCZDBx7KzUJ9S/laSkXGaFq1hDV/cheTPqqQNx0QLPyuitEklSd2Mfvr6YwZqpuuJD5w55X+3U7L7dshmJkY/uumcoYw== 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=EXQvCxCnhgdSoN2y00is3LwgA8FcsnYhyGYF2oXRM/0=; b=j8QKT3Skjn9OHrL9/AirQgjbvZAenjqDCXLuDFIs4uhebC1vMHAcj1yqE4fRHQPDcUeLaFB2VeU3sJajKkT1tXqKHsRTgOm/Q+PY6d9TMWDYGKsgsyjm9SZseHBgDWvAnooRcPpyD5BkIPc2+HqgvBtg49c/C0/QvD4KAPOJ0D6WvJE+odZFRedpOV4/Wy31EoRDnZP792QdweSvq1L9ytO40hhPWL95D5KpWp+UJryT8dqP1aJvVJ5d0qO16nnW4P0fhtapjt32fGwTiJPP2nyEeMDrPAmpeZlhkrnS+X/6//V98OMit2M69ofjXmfe2ooKa+tR3H5mDkZUMueW+A== 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: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=intel.com; Received: from SJ2PR11MB7573.namprd11.prod.outlook.com (2603:10b6:a03:4d2::10) by IA0PR11MB8354.namprd11.prod.outlook.com (2603:10b6:208:48c::6) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.8922.39; Thu, 17 Jul 2025 18:47:22 +0000 Received: from SJ2PR11MB7573.namprd11.prod.outlook.com ([fe80::61a:aa57:1d81:a9cf]) by SJ2PR11MB7573.namprd11.prod.outlook.com ([fe80::61a:aa57:1d81:a9cf%4]) with mapi id 15.20.8922.037; Thu, 17 Jul 2025 18:47:22 +0000 Message-ID: <78ad760b-7130-4f14-b0cb-a38645c13d6e@intel.com> Date: Thu, 17 Jul 2025 11:47:18 -0700 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v15 14/34] x86/resctrl: Add data structures and definitions for ABMC assignment To: Babu Moger , , , , , , , CC: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , References: <994417126eae21f7ceb7994a875b9ec9bc553784.1752013061.git.babu.moger@amd.com> From: Reinette Chatre Content-Language: en-US In-Reply-To: <994417126eae21f7ceb7994a875b9ec9bc553784.1752013061.git.babu.moger@amd.com> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8bit X-ClientProxiedBy: MW4P221CA0003.NAMP221.PROD.OUTLOOK.COM (2603:10b6:303:8b::8) To SJ2PR11MB7573.namprd11.prod.outlook.com (2603:10b6:a03:4d2::10) Precedence: bulk X-Mailing-List: linux-doc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SJ2PR11MB7573:EE_|IA0PR11MB8354:EE_ X-MS-Office365-Filtering-Correlation-Id: 62f37360-5eea-45c2-0cd8-08ddc5625d38 X-LD-Processed: 46c98d88-e344-4ed4-8496-4ed7712e255d,ExtAddr X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|366016|376014|7416014|7053199007; X-Microsoft-Antispam-Message-Info: =?utf-8?B?YUFlbTBMZU9vYnYrcmFGMHlSSWs2bWZSWU5LeC8rLy84R2hwVmdFN05MRXBv?= =?utf-8?B?TUJPTVhXWXBhQ090VjdFaW93U281NU5Vc0d6YjN0ZzdpNHdrZDF3MVR5OU1B?= =?utf-8?B?aHdTYUdyTzI2b2FibmZ5WkJCbllXRU1WSnlYWjM2Tll3WGthaG5TMm9yNklU?= =?utf-8?B?eW11dDlOdURieXd1UWtrQjkrUmxOTWtGNnNNWi9Ld2g3NG1pRSs3MHFyL1Iv?= =?utf-8?B?eW5aUUtPOUh2L0ZWMUhaRzJ1Nk5uRW82QWRGRGtQMk5zODlrOEI2Mys0UGNF?= =?utf-8?B?VTQ0YmI3U2hQZFpBRXF3bm9DbVRoQ01Yc3kyTWg1TSs2RUEzVlUvbWlOeTE5?= =?utf-8?B?MHRRWCs3Mzh2TDFZd1EzMHVKOUxOM2t2bncxakpWbjlTSUp6dWlLTVFKYTBs?= =?utf-8?B?Vng2OFJtNTBiUFZrRGhjczFvNXIzeDVJcU05YjZNMnFMWlJaMXBvdGVPSmNI?= =?utf-8?B?OUNzT0pueXpFUzJBNFZpQVhNd0tVSFZBcGtmUmMwZFdIMllpOWZZcFBIMGx3?= =?utf-8?B?TXJjNVdUb0Z4ZW5yZEhGSFJxQW5nYUxYNHYrTHJzTVQ4NXdEdmRZQmJyRUNw?= =?utf-8?B?a1lpN2NFSFEyK0hoUjRVM1NsRGx0NFI5OGpSSlVCZlRKcXdjTlY1czB0SGZJ?= =?utf-8?B?UGNORFRCWFAzOFdFYUpZU1lGbjhuR0Uvd1c1NUkyS3k3VSthOVRjbkFmenBa?= =?utf-8?B?aFMzc0tiMlFUQnhXd29sNXFaelIvUWlZVEhlWFZTbHc1TXppZmlIdHFTWWZt?= =?utf-8?B?YjdnTFBhdG5KUmVjblcrYlF6anA3ZkV5eG9vdWNFZUdZL1kwaUhNNzZrQVB3?= =?utf-8?B?eWZKVjFxVEtwNHN6RjFwVHVvYi9nc1hqUEc4Y1A3aVdYeThUNlFtTElnLzh5?= =?utf-8?B?S1hUbFEzc0d2R052YWVCMVZBYUtteXlRUnptZUltWjFhWUp3MUxVWm54Z2xF?= =?utf-8?B?RWVrNGVmdDZtY2tKcFJCUEhMOHhodWhLRGdUY2JhemkvaDRhMEJTWDRpcFVE?= =?utf-8?B?bDFlb2xXSGlzUjR3ZHlhUUUzZ3JwSm1IM1dSc0NzbkxmSG9ySEU1WWNDYnd4?= =?utf-8?B?b0NUSk41U0plbDlmMldlc1ZGejdOWFJ2eThzTFViMm81a0RhMWlRa1BSOEFh?= =?utf-8?B?bHRVaFd3MHcwT3ZOU0tYeGY2VkJkbHhjSVRyVC9RcHFydExuR2RMeWhvNTRY?= =?utf-8?B?MmQ4TmJicFk4OEhoYTljMDd6YUdTQktDRXJKOWxQb1ErK00yZzVkcWhsa3d1?= =?utf-8?B?dGJSV0dKWFlxRDFlU1dTbDNjd1lLbmlYb2svQWlRc2o1L1Q3eDdXVW9DVUda?= =?utf-8?B?T3lMditJTVY5MDl6b0IvaXA5SEZDNEtCZEp3ZlFONWJhY2d5MkgwVXVQZHFM?= =?utf-8?B?ZEhEZ3h3MFhxNWNteU9mQnVmSFRmSXRwbWFoV3NqQmt3UXhCa1NRNjJBeHdY?= =?utf-8?B?YktUYzBrNnBTTmwrS2F3ZGV4OFhiSHN1UEZIUHFyTHkrV2JiS0xwampyVytC?= =?utf-8?B?clhHcVhhRmNENHluNHFzaUhYTWRGZ0s5RTF2UHdrNU5CT0JheUtEcWcxc3BD?= =?utf-8?B?akR5eTdYV0ZmTGkwS2d4RTd1R3ZJZVZ2UFdLaE92aGxTcHBDZVNxQXRFT0pv?= =?utf-8?B?a2FsTE5XckxBUUFOS0pGRHNyNjRxcjJ1K3FDQitiTFVhdzg1bVNaMnhPVkJx?= =?utf-8?B?UE85SlVSQXBXSDNEU2hwVkVGeWQ5UzVZNU5CaEwyOHl0RWY0SlhobzZzb3NR?= =?utf-8?B?cFhaZ3RCanRreDFNczdMMzhjWGZHQzJzUG9ZMVlVckRSc0VibjlscUVMdDZi?= =?utf-8?B?VExsd0JZWGRTNWoxemRvRkxWUHBSQjJaM0RzNWRySkhTSnk5VTc1WFJLSkts?= =?utf-8?B?b0craHJseEFUdzZRTzM1WHpndXloK0l2Ni82QldRMTFsK3Q3U1RtUmVqVUcz?= =?utf-8?Q?tXVmKR6563c=3D?= X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:SJ2PR11MB7573.namprd11.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(1800799024)(366016)(376014)(7416014)(7053199007);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?utf-8?B?Qkc1TmgxNVFNZTZtZDlFWkZHdU9IOUlsQ3Rna0dtS2FpbDlrSUpjbHBjS3ZH?= =?utf-8?B?UUxpUjBwWFg2NzJ3WXJvS2U1UlN5TGxNRjJwRld5Z2lMNWZMdVFJdXd4V1Zx?= =?utf-8?B?U0FnNGIrcWloeHZPakpzTkIzcEVsT20yRXk0djJvN0pKZW1IYzB0dTlLWnFI?= =?utf-8?B?aGJNd2FEb0FBTTZJSUQ1b3o5ZWdFVWNpVFpmaWRkV0g5U0Exdk1qSm9nMGJ6?= =?utf-8?B?elZ5azVqUGo5MC9EOHFEdTN3b0NVSGNIUEZDN2EvRUpxVytWRmh2R3lFK1Av?= =?utf-8?B?OURTL1k3QmljVE9wTjg5OEdFemFJZjR6dHd6bWlDbzNmUjlmR1YxcmRqWFBT?= =?utf-8?B?ZmNVVFgrVEthekhISi9qK3lxVGFVV1FjTW1WUWFNcGxQUFlwVGFSelpSNzlQ?= =?utf-8?B?VE9nQzZtSXFoQzdldGdXcldleVg4NllxN2NqRHcweW5nbDloSVRIc1NtNmlC?= =?utf-8?B?SlVDZ3BlNDVxZnNkbndZdFJYWmptRXV3dTZqNVg3Q3VpUVVDdTNNZHk3N3hO?= =?utf-8?B?M2oxeE03MzhpRENkM0wwU014MGdPK2ZsZWhOWUNmNEhmV2xtbFRFdWpHRlJm?= =?utf-8?B?Sk9nemlUVThKUUpXb1BIOWNYb2x0dUxYaFlVZUVKTnBMeEpTellHZ3E5amc1?= =?utf-8?B?dzhyTEE2UHpOWXpUWGhBM0FudjBVS2JDUXFRRjVHaERoeUZwakZHTHFEMEYy?= =?utf-8?B?TzhFajAxM2VRWitoVXpWUjZ2aHpMVEZZUW9JaUZTM3BicEZQb3BqSkc5NUt5?= =?utf-8?B?RmZRZWlvblcyOU5IMzFicW54TlNnQXhjY2hOa2ZMMkEyNUpoZ1VQS1dPbXhO?= =?utf-8?B?UU1KNGtucXBVRDFBVzdWRTlDZW1oR0wxWnB1cDcxd1gvWFhXUUJtVWhPVmVm?= =?utf-8?B?dk44M2Nac3ZESENEN0VEcWxwQm1HL2djRHVxVldjdE10MVVadmJrUndMSm1s?= =?utf-8?B?L2lwNWJhQnFJSWs5R0tyOHZIdTJWdVJ2dThiQnFRcWFKZCtXTU5Ha1NsNW9W?= =?utf-8?B?dW51NWpPaGR1UWhqemF5b0JwcHdsZEkrcnRWVW03UjJHUmVtNGxzcnE3ZVBR?= =?utf-8?B?ci9VWE0vVDcyME55NnpQMVpsajRvS2ZYa0FNb2h2U1BZMkw3MUxtWXRUMGgv?= =?utf-8?B?b21VaUkrUS9qdDZrY3ZPVzhhTFp3Q0hvUzdSRnpRdUR4N2V0ZjhTczgzU3pV?= =?utf-8?B?ZW1ZWTZ1OVhlL1RLT0JQd2FQWGZNOEpjZy82VVRlSlViamo1YjljUzMzcS80?= =?utf-8?B?R2J5aEg2b3ZiaWFFQnFOa2JoSnVYd1k5Q1BLSW5vQUdQRWl1UHNrdm5RVUdm?= =?utf-8?B?NFZUNG5GQytOUlhYamw5WVUxRG12RUdwSW54M3hkdWZaT1htOW5Ka2haZnVr?= =?utf-8?B?ZXJoVEFZTitlZXNtTVloVGNORXl6RU9TbzRWS3FJc1hBTFRqM3VLNzJkYzFN?= =?utf-8?B?UEMra0hzN09IbmxQdzY4b213Z016WmdFdHV1Uk9YODB3WmlhZmRLYVFUVktL?= =?utf-8?B?YUJBWUgwanhka2xXOUh6UmRJQTJ1RWxYak15REhxZktWUHVveFpSOUcxamxs?= =?utf-8?B?REhmMWpCbnlwc0xaT05leUpjeWRNblN4N29CMDNNTzJRc001WXkvS2ZSdWRQ?= =?utf-8?B?VEhvRnJIRHJ6S2JXSUdRVVRGd0xIUE1IVTFhUXM4WUNLOWRKS2ZtdHZQK3JQ?= =?utf-8?B?NzFaekt2RVlCMFhiWGJYam55TWVTeG5uSUxsUXRVbzZydjBtYUlYUVVicnEv?= =?utf-8?B?S05rbFQ5L0ZWa25Md2g5NGhOY2xVZ2dzSGhqaUgzc1ZKTWgyYi9mQWJDeDEr?= =?utf-8?B?K2p1UmprTWl6OHVjRU45QzdNT3NJMWJIMS9ieXNqamFHT3A1ZmlVelo4YlhD?= =?utf-8?B?WTNEMEtxOHl4Z2Y3YkF3OWMwTUNDSkN3akI0TDlWM0pSOEtiM1ZhTS9KUHk4?= =?utf-8?B?VG1ScHNMSEhGSXlxVDdyL0hOU3pacTVzYXhkNUx5YlFkM2FRTnVJcFdOcmNK?= =?utf-8?B?cStYOEZCNVBEOHBhT29RN3ZzSVR3WU9KeTRHL1BOTk1yYXEyWXlCQXNQVjlR?= =?utf-8?B?bHVEb3NkOXduT3pOQm40MEhickZpUkVXSDdTZGpITnR0b09rcVh6WlZlamdT?= =?utf-8?B?MkdLdFNxaWVCZ0dKZ3c5WHZ3VnErcFVXaVBHakEzMno0S3krb09uMnBoRHFI?= =?utf-8?B?elE9PQ==?= X-MS-Exchange-CrossTenant-Network-Message-Id: 62f37360-5eea-45c2-0cd8-08ddc5625d38 X-MS-Exchange-CrossTenant-AuthSource: SJ2PR11MB7573.namprd11.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 17 Jul 2025 18:47:21.9534 (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: 9qwtfeyi05yeyRKrN6CgxinPan4EM55ON5rFIsW8AAkzxRJ7is6I2kNS6GMulEkqSrxeP/pnh+9my43c7SPycj46zPOniT+4GSijVFIo2kA= X-MS-Exchange-Transport-CrossTenantHeadersStamped: IA0PR11MB8354 X-OriginatorOrg: intel.com Hi Babu, On 7/8/25 3:17 PM, Babu Moger wrote: > The ABMC feature allows users to assign a hardware counter to an RMID, > event pair and monitor bandwidth usage as long as it is assigned. The > hardware continues to track the assigned counter until it is explicitly > unassigned by the user. > > The ABMC feature implements an MSR L3_QOS_ABMC_CFG (C000_03FDh). > ABMC counter assignment is done by setting the counter id, bandwidth > source (RMID) and bandwidth configuration. > > Attempts to read or write the MSR when ABMC is not enabled will result > in a #GP(0) exception. > > Introduce the data structures and definitions for MSR L3_QOS_ABMC_CFG > (0xC000_03FDh): > ========================================================================= > Bits Mnemonic Description Access Reset > Type Value > ========================================================================= > 63 CfgEn Configuration Enable R/W 0 > > 62 CtrEn Enable/disable counting R/W 0 > > 61:53 – Reserved MBZ 0 > > 52:48 CtrID Counter Identifier R/W 0 > > 47 IsCOS BwSrc field is a CLOSID R/W 0 > (not an RMID) > > 46:44 – Reserved MBZ 0 > > 43:32 BwSrc Bandwidth Source R/W 0 > (RMID or CLOSID) > > 31:0 BwType Bandwidth configuration R/W 0 > tracked by the CtrID > ========================================================================== > > The feature details are documented in the APM listed below [1]. > [1] AMD64 Architecture Programmer's Manual Volume 2: System Programming > Publication # 24593 Revision 3.41 section 19.3.3.3 Assignable Bandwidth > Monitoring (ABMC). > > Link: https://bugzilla.kernel.org/show_bug.cgi?id=206537 > Signed-off-by: Babu Moger > --- Reviewed-by: Reinette Chatre Reinette