From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 05306C433E0 for ; Thu, 18 Feb 2021 12:14:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BF0AF64E85 for ; Thu, 18 Feb 2021 12:14:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231564AbhBRMMr (ORCPT ); Thu, 18 Feb 2021 07:12:47 -0500 Received: from mail-co1nam11on2061.outbound.protection.outlook.com ([40.107.220.61]:34977 "EHLO NAM11-CO1-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S230174AbhBRJ7b (ORCPT ); Thu, 18 Feb 2021 04:59:31 -0500 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=KqDSQIiESJN9MHbGZHUW7H+yQ+aTeAB35B21IuecU+xPWxiLIUmr1my4BKHJnAsixuJhirtqTLd18XkIJKQPHaTyBx0qE3uZePe582/f5ZdxZjb5QV6UFTdRJeuux7Lm4vM+N7/w7POS69c3OQpBIIqn01yKbueWIowJxwShE27oKwYL5qfUbHy/aGA+eKMRZc+o0CgIQyvM3GLl9gTsTLVPuKijRDhNQuer+fZRDfIE6TtHJ2sX19NoPSNP9CZmpTAnuVOtxwXctKIn8FGP/4pp4gFmia5TcPLTaKAjwZuorbDb49lT1O7CLEcB4gdnSXNdHyRhffuuE0ewEiVoWQ== 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-SenderADCheck; bh=dOlGz/0VWUxzyJuDlyAS3z8ZZSt5yCcfYdUxIbmt6EU=; b=O0XlnfHw8gb1M+jeKIeNpc8YfU5/XgmaE+o5uARKVjTQa7xWwrT9RwGR5Lk5lbwysis14uuI1CX3+LZEo9hr9Pny9Nq+1bpcCZ+rDAHwNh1+fyDrVbjMluJTWVekHORq/VFLXUKcYjKZgz8Ke2BYcKTBVD20Y3Z09g5+95PzrTY2oDrvUPcoU1uenr81Yeal2e0r/LfvmZNRxJf41XAoMcFXCHIahtwrzpq8SKoAeaGW0mQbrtLuFKf8HOqllnkcxgL84DJrp6nKYr8vZMEfb5mS3Ts57nimtycL1II7vE+YKIE3qoHXKxHInnsztMS4Kbkiod9cCxBF/sTZ+u1UOg== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=xilinx.com; dmarc=pass action=none header.from=xilinx.com; dkim=pass header.d=xilinx.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=xilinx.onmicrosoft.com; s=selector2-xilinx-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=dOlGz/0VWUxzyJuDlyAS3z8ZZSt5yCcfYdUxIbmt6EU=; b=oPZOVGK4PD+mRlft+LTmdDNqSmaeXVULigXKZn0hommAJyPLlKvyWIrWHvIW2yKKcXB0H4PqkINtyJdV4YsGYKp2l0cvlUhshlRIXdAAJXqp3tkMNA1jG/7hWrpYA/kBdw262VEMeaxpBEoPs96M3C3q6+gK3AWn3P3CYj03XCI= Received: from BYAPR02MB5559.namprd02.prod.outlook.com (2603:10b6:a03:a1::18) by BYAPR02MB4869.namprd02.prod.outlook.com (2603:10b6:a03:45::29) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3825.30; Thu, 18 Feb 2021 09:58:37 +0000 Received: from BYAPR02MB5559.namprd02.prod.outlook.com ([fe80::ccbe:b88d:35e5:352e]) by BYAPR02MB5559.namprd02.prod.outlook.com ([fe80::ccbe:b88d:35e5:352e%7]) with mapi id 15.20.3846.039; Thu, 18 Feb 2021 09:58:37 +0000 From: Bharat Kumar Gogada To: =?utf-8?B?S3J6eXN6dG9mIFdpbGN6ecWEc2tp?= CC: "linux-pci@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "bhelgaas@google.com" Subject: RE: [PATCH 1/2] PCI: xilinx-nwl: Enable coherent PCIe DMA traffic using CCI Thread-Topic: [PATCH 1/2] PCI: xilinx-nwl: Enable coherent PCIe DMA traffic using CCI Thread-Index: AQHW/s0qYtrRH/FFh0ysSjP4qrIUJqpR7muAgAvNIkA= Date: Thu, 18 Feb 2021 09:58:37 +0000 Message-ID: References: <20210209101955.8836-1-bharat.kumar.gogada@xilinx.com> In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-Auto-Response-Suppress: DR, RN, NRN, OOF, AutoReply X-MS-TNEF-Correlator: authentication-results: linux.com; dkim=none (message not signed) header.d=none;linux.com; dmarc=none action=none header.from=xilinx.com; x-originating-ip: [149.199.50.128] x-ms-publictraffictype: Email x-ms-office365-filtering-ht: Tenant x-ms-office365-filtering-correlation-id: 90076e2e-c3fd-47f6-700b-08d8d3f3c306 x-ms-traffictypediagnostic: BYAPR02MB4869: x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:9508; x-ms-exchange-senderadcheck: 1 x-microsoft-antispam: BCL:0; x-microsoft-antispam-message-info: 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 x-forefront-antispam-report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:BYAPR02MB5559.namprd02.prod.outlook.com;PTR:;CAT:NONE;SFS:(4636009)(136003)(366004)(39860400002)(346002)(396003)(376002)(4744005)(71200400001)(5660300002)(186003)(33656002)(316002)(26005)(966005)(8676002)(9686003)(4326008)(2906002)(7696005)(86362001)(66556008)(52536014)(66946007)(66446008)(76116006)(66476007)(83380400001)(54906003)(8936002)(64756008)(6506007)(478600001)(55016002)(6916009);DIR:OUT;SFP:1101; x-ms-exchange-antispam-messagedata: =?utf-8?B?ZW1PSm10NSs2bFI2WU0ybk9MWlEvMDY3TEoyT2tveFBmc01pUVRvT3d0YU5F?= =?utf-8?B?VUVtNjVvK2dkMGtSeWZDSDdjTHZ5d0RCSkprR0xuaTAwTXp0RGdzcGFYdUw5?= =?utf-8?B?b1JYdHFBVWJJNDFpUVlnME15S21RWEkrQVAwckgzM2o1RG8zRTliUk82UVh0?= =?utf-8?B?dVFIaVJrTlI0elljUnFkTG1VZ0ZaMGJnZk43ZlEwaFp3b3dVV0JwQXVxdkVM?= =?utf-8?B?MVVEakRxWVlHL09Wa3NMZVd0Q0hZYkJmc1dVVDhGdXVQaVlXQmhkUjVuYUxM?= =?utf-8?B?eVNvWmM2ZlJmbTFvUktTOURNR1l2eFJ0WTVGSTJ0d1lsUEM4NFgxRDNFalBL?= =?utf-8?B?ek9tZ0hoZ1dyUHp0ZWU0bGR4TTZ4NVMxb2lrcGk3RjRnblFhdXd0S0JpbG5Z?= =?utf-8?B?bGE4OW8rTVQyRUZ0djkwZFIrOFVpZk1qd1RpWWh6WU5Yejg0aGZIUXY2UFBs?= =?utf-8?B?NHZML2pvZml0ZFozSzVMOWswNGxSMjZnT0plUXZ4ZlkvRUZkQVlydytzeW82?= =?utf-8?B?MFVmWXlSWlJIWkdlZm05YTlzU2VTVHFjUU1NVnRNVGx3VkxESlplTDBJWWRs?= =?utf-8?B?RTB4K040djV5S1lkT0ZDdStoTVVrU3I5YkMyOW1tVWc2eUFMRE9aL251cEF2?= =?utf-8?B?d2V6MWVxTmJieVlHOHFHekN4ZEo5eFRXNVIwa0VPN0hUenl5L001dzFhcnJG?= =?utf-8?B?SlZUQmZ4bHVlckZoR3lhMHdDY2dERDlIVFdpbzlGVlNaKzVuSy9GbXEvMkpZ?= =?utf-8?B?bWc4RldRaWVsVDZjWTZjZ0FudFJTSEJISVJFQy8ydWpFalZCak5rTlE1Z0J4?= =?utf-8?B?NTNpcG84a1pkUzkzRHNBNGh2L016b1E5Sm9DZk9CRVptVnFsWEg5WHZGdmZQ?= =?utf-8?B?eUxzQ1pDZWlZR01maXdPUm1QTlQxaTZzQ04wdUp1QjkyWUFwZkQvcEFjN3BB?= =?utf-8?B?d3ZTK0lDeWxyUWtSTXFvak0xdWVEdE16Uk1lUHZ3ME92QktqcXVWSU8xQWZU?= =?utf-8?B?eXFzM3VUZWdPZXExV0VUODhTSkpxRWpwc3NxTWpRMHdWMUtIbjlvZjllZTZj?= =?utf-8?B?SGNJYkR0bEsvbWJNdUhITWtBdnFnOFZXNnJkbXlQNlZ3MGc2ci9xaS9KbVlX?= =?utf-8?B?Um5tbnJobXpPOEFlbFViV3dhZisxbU94alF5TDJIVTFvenVoeWw4a2RZSzdT?= =?utf-8?B?MnRzK3lEU2hnMlVtTnMrT3ZCaGtwUWZvdzQ1Tm1JNXBybmI4bmprQUoxUEow?= =?utf-8?B?NnNPSGduRjBkVERDSzd6RVdFMDVWMTdvNTgzRWJCeXFWZy9BcDVZSUFKT2E4?= =?utf-8?B?UWZod2pXRHZwaGpjeEZPTEJSUUdQbjZQNDZ4VzA3eWRlTkhtb0Z5bnFVVzFr?= =?utf-8?B?VEgvWGdSN28vVUhFcEVNdkRvY3d0NEQ0NU9VZndldEJsY1Z0Q0NGWGRZelhj?= =?utf-8?B?SzN5eFgzcEQ0bklRL0RNdGJtcmppcFdiTjRtYVZDR2I3TXJYSlpWbGtlMEdo?= =?utf-8?B?WEk1bEpjWTh4bFl3SGlPVEliR2ZpTW5ablBoU0FjOWs0cGNZTHFxaDkwL1cv?= =?utf-8?B?Mng1K2FJWjF2TGJiNWR0MjZrbkRQVDIzdjlxSjNhVmxIUzR6TGxaR0xnbnBK?= =?utf-8?B?M2FMS28rc3pBeFFrR2VNTG81NE43a2hrQlk2RUtzTDdOY25IQmdHdElaY0NZ?= =?utf-8?B?UnV2OUlNbDU3ZzVmR3ArRGdjUWZybjh4WWFLYUs2T1ppK0xFcWx5Q1JQWEYx?= =?utf-8?Q?JLBzq2dexgC8uB+YhQj/9gcdNVtNXXAzBwj3WuF?= x-ms-exchange-transport-forked: True Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-OriginatorOrg: xilinx.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: BYAPR02MB5559.namprd02.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 90076e2e-c3fd-47f6-700b-08d8d3f3c306 X-MS-Exchange-CrossTenant-originalarrivaltime: 18 Feb 2021 09:58:37.4328 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 657af505-d5df-48d0-8300-c31994686c5c X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: QiYM0B8j3aNZ+fWuFm+2fQOE2qX2gIG9+NkUoZNneA/UvWy3RCTGtZnthsAfKGIETDMVLgP8flXixdar00Zh7g== X-MS-Exchange-Transport-CrossTenantHeadersStamped: BYAPR02MB4869 Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org PiBIaSBCaGFyYXQsDQo+IA0KPiBUaGFuayB5b3UgZm9yIHNlbmRpbmcgdGhlIHBhdGNoZXMgb3Zl ciENCj4gDQo+ID4gQWRkIHN1cHBvcnQgZm9yIHJvdXRpbmcgUENJZSBETUEgdHJhZmZpYyBjb2hl cmVudGx5IHdoZW4gQ2FjaGUNCj4gPiBDb2hlcmVudCBJbnRlcmNvbm5lY3QgKENDSSkgaXMgZW5h YmxlZCBpbiB0aGUgc3lzdGVtLg0KPiA+IFRoZSAiZG1hLWNvaGVyZW50IiBwcm9wZXJ0eSBpcyB1 c2VkIHRvIGRldGVybWluZSBpZiBDQ0kgaXMgZW5hYmxlZCBvcg0KPiA+IG5vdC4NCj4gPiBSZWZl ciBodHRwczovL2RldmVsb3Blci5hcm0uY29tL2RvY3VtZW50YXRpb24vZGRpMDQ3MC9rL3ByZWZh Y2UNCj4gPiBmb3IgQ0NJIHNwZWNpZmljYXRpb24uDQo+IFsuLi5dDQo+IA0KPiBBIHNtYWxsIG5p dHBpY2ssIHNvIGZlZWwgZnJlZSB0byBpZ25vcmUsIG9mIGNvdXJzZS4NCj4gDQo+IFBlcmhhcHMg IlJlZmVyIHRvIiBhbmQgImZvciB0aGUgQ0NJIiwgZXRjLg0KPiANCj4gWy4uLl0NCj4gPiArCS8q IFRoaXMgcm91dGVzIHRoZSBQQ0llIERNQSB0cmFmZmljIHRvIGdvIHRocm91Z2ggQ0NJIHBhdGgg Ki8NCj4gPiArCWlmIChvZl9kbWFfaXNfY29oZXJlbnQoZGV2LT5vZl9ub2RlKSkgew0KPiA+ICsJ CW53bF9icmlkZ2Vfd3JpdGVsKHBjaWUsIG53bF9icmlkZ2VfcmVhZGwocGNpZSwNCj4gQlJDRkdf UENJRV9SWDEpIHwNCj4gPiArCQkJCSAgQ0ZHX1BDSUVfQ0FDSEUsIEJSQ0ZHX1BDSUVfUlgxKTsN Cj4gPiArCX0NCj4gWy4uLl0NCj4gDQo+IEEgc3VnZ2VzdGlvbi4NCj4gDQo+IFlvdSBjYW4gZHJv cCB0aGUgY3VybHkgYnJhY2tldHMgaGVyZSBpZiB5b3Ugd2FudCB0byBrZWVwIHRoZSBzdHlsZSB1 c2VkIGluDQo+IHRoZSBrZXJuZWwsIGVzcGVjaWFsbHkgZm9yIHdoZW4gdGhlcmUgaXMgYSBzaW5n bGUgc3RhdGVtZW50IGluc2lkZSB0aGUgY29kZQ0KPiBibG9jay4NCj4gDQpUaGFua3MgS3J6eXN6 dG9mLiBXaWxsIHJlbW92ZSBpdC4NCg==