Received: by 2002:a25:c205:0:0:0:0:0 with SMTP id s5csp737056ybf; Fri, 28 Feb 2020 06:45:07 -0800 (PST) X-Google-Smtp-Source: APXvYqxHLaxfJtS5MQbmV//c5yI86T4EZuBsDpmeHBz91RRzLaWHujmTfCh3ncjR/6Xsi9/DIjXt X-Received: by 2002:a05:6808:319:: with SMTP id i25mr3457842oie.128.1582901106918; Fri, 28 Feb 2020 06:45:06 -0800 (PST) ARC-Seal: i=2; a=rsa-sha256; t=1582901106; cv=pass; d=google.com; s=arc-20160816; b=yxDLvN+JUmvTbqw67AH+JEP4ZZXQXmLOTM7pOaQghtgr3aE0QslV1ijr8LoVKHWzYN 8/cG/P5cJWc69Li6nhofuxJHIFL0gacM31LfULOsRod8rs2p0hPoY8jFT/NL8C+dUBTo bVRulJhBsp3ywQ6w23xoUB9l4V4atbQnJ+yvISG8RV+GxEUn+u+8nVi3NtjDex0JCoww +lO9MJDudoRkEgTYxE5SLFTJ+u6HiTrhoNRaMWf50lnBchDMcGs5Dsq9Tb8M2WpNn7J4 pQYhRlybrqjbKikT3N20NtrAqB91h5mAwrH1o43ceCtT6xn4Qmx1he5BD70qjg7hv2KP Z56g== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:mime-version:content-transfer-encoding :content-language:accept-language:in-reply-to:references:message-id :date:thread-index:thread-topic:subject:to:from:dkim-signature; bh=v+9elaxFY5PfUCxGjMVKC1sDGQxQnBMDNc+ZPS4PJUc=; b=aZBqTc34J1Lq0EGArg+JTKJ4piJcO3mlM/cDO7fKdxL1sRJmvy112Q6Lbnm6MsFUqV BcahaIMfvdUdkLgmlPw/HIzV2ffQ1fe0JpXQld4IzN8GYq4dQ0efNPEd0mUqiz05+Bo+ +Vx3+OmYt9caKnbYsLhInkf0LWhrtR+t8BzxixUzb4t30qHFi75KD/Gw/OQugaOjFCi2 MdUVz4DgASPm7fk2giCVUnvjuURDdqAFpaoZwfqTELEX9gdVvpBTNtGWmHTc40FneJYD 9UJxWosWIu69C8KHCIBDw2/GTw/a8/1PwSRGjVAI8Ki3uAblpSjnOyPHE4ZjXDYDunmp NLHg== ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@nxp.com header.s=selector2 header.b=kvugOp3n; arc=pass (i=1 spf=pass spfdomain=nxp.com dkim=pass dkdomain=nxp.com dmarc=pass fromdomain=nxp.com); spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=nxp.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id a22si1693381otp.84.2020.02.28.06.44.53; Fri, 28 Feb 2020 06:45:06 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@nxp.com header.s=selector2 header.b=kvugOp3n; arc=pass (i=1 spf=pass spfdomain=nxp.com dkim=pass dkdomain=nxp.com dmarc=pass fromdomain=nxp.com); spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=nxp.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726905AbgB1OnR (ORCPT + 99 others); Fri, 28 Feb 2020 09:43:17 -0500 Received: from mail-eopbgr30041.outbound.protection.outlook.com ([40.107.3.41]:8612 "EHLO EUR03-AM5-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726738AbgB1OnQ (ORCPT ); Fri, 28 Feb 2020 09:43:16 -0500 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=bKkyk3RXC2oHNVI/SluA1iCjafT+Co5le65TSwzW9YTX6ML+nUpkjG+G5O+Dchsu8SLUUIywJbpHl/mSXjehl/koHI+jZduTJjdZ/oSKOaULA5tN8oxvw+EvMJ4jK1ttMzf//OSIzReHnGNVYwpl3sNANvwJCcYUcN2U8ksf4G1PxG5VvMD07IJz+jsjUL+vjTzeK4RGKGkkn0qlGJDJxldDtYEzIXoHmevoLDaz3+Wq2Jl0UiL8cMrjF9iqRRN2rYcdKR5RDre2G53mHIKA0ffaeK8lYbRz+nLRo5kgcUELEarjscfLPdNFTlupa/xgGQjbxuaAH4RhvF6Xqbd5dQ== 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=v+9elaxFY5PfUCxGjMVKC1sDGQxQnBMDNc+ZPS4PJUc=; b=mDrhKarQU9o4NaYpZiDKP/Qg7k2xKGoZeTy2Gz5+Xt8AcUxF7gI2rhD4iCbxICacgUB9cMvOfxtflKHbG2iTu9EeCkP4VpVww9rECfJ/7H7/NFhJ71CxwymCYJtRruwJlQPygWJyJMJvzK/u17SAgXhT7W2p9pqOo+RjyI+CrklSctiy37K8ft1vPJN3xfdMI3phCOqiNUOeF8IpcvPUSL0gcsx9J0DC3QSH3n0DIF5J+L/yxaTXoPbYBKaHtIz+hOqQpX9l4bW2Q17ToFbblUJSOMzOpkZCO+Ui+h8smFxQD3vlE/gHVrrzQqYBbfqXKxMn7SR6eF85C7vGX/8EXQ== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=nxp.com; dmarc=pass action=none header.from=nxp.com; dkim=pass header.d=nxp.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nxp.com; s=selector2; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=v+9elaxFY5PfUCxGjMVKC1sDGQxQnBMDNc+ZPS4PJUc=; b=kvugOp3nNa9oLH/pTlLKvlmgvfNqBfZMrsVUwdlUrN/NhKLRzUDKQBrV51ib8rs1x0MmYSN31OMFhLG67zrrpGkKdJsrqSYxkBErgLryzJ7E4l/L4h3KN4RGEFlI5FDhexbLlTtTLWmfKayJ4C1lUrEEcEpHxwSyU8V8QTCovvQ= Received: from AM5PR04MB3299.eurprd04.prod.outlook.com (10.173.255.158) by AM5PR04MB3057.eurprd04.prod.outlook.com (10.175.229.143) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2772.16; Fri, 28 Feb 2020 14:43:13 +0000 Received: from AM5PR04MB3299.eurprd04.prod.outlook.com ([fe80::308c:e154:899b:507e]) by AM5PR04MB3299.eurprd04.prod.outlook.com ([fe80::308c:e154:899b:507e%5]) with mapi id 15.20.2772.018; Fri, 28 Feb 2020 14:43:13 +0000 From: Xiaowei Bao To: Kishon Vijay Abraham I , "robh+dt@kernel.org" , "mark.rutland@arm.com" , "shawnguo@kernel.org" , Leo Li , "lorenzo.pieralisi@arm.com" , "M.h. Lian" , Mingkai Hu , Roy Zang , "jingoohan1@gmail.com" , "gustavo.pimentel@synopsys.com" , "andrew.murray@arm.com" , "linux-pci@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , "devicetree@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "linuxppc-dev@lists.ozlabs.org" Subject: RE: [PATCH v4 08/11] PCI: layerscape: Modify the MSIX to the doorbell mode Thread-Topic: [PATCH v4 08/11] PCI: layerscape: Modify the MSIX to the doorbell mode Thread-Index: AQHVcn/v76ltSUnI6keAnyjCe5OUV6gxcsQAgAAxMyA= Date: Fri, 28 Feb 2020 14:43:12 +0000 Message-ID: References: <20190924021849.3185-1-xiaowei.bao@nxp.com> <20190924021849.3185-9-xiaowei.bao@nxp.com> <55752e77-1094-4cbf-2822-e10b875b4dd9@ti.com> In-Reply-To: <55752e77-1094-4cbf-2822-e10b875b4dd9@ti.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: spf=none (sender IP is ) smtp.mailfrom=xiaowei.bao@nxp.com; x-originating-ip: [119.31.174.68] x-ms-publictraffictype: Email x-ms-office365-filtering-ht: Tenant x-ms-office365-filtering-correlation-id: 95bd2900-650b-451c-e350-08d7bc5c89e9 x-ms-traffictypediagnostic: AM5PR04MB3057:|AM5PR04MB3057: x-ms-exchange-transport-forked: True x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:9508; x-forefront-prvs: 0327618309 x-forefront-antispam-report: SFV:NSPM;SFS:(10009020)(4636009)(136003)(396003)(39860400002)(366004)(346002)(376002)(199004)(189003)(186003)(52536014)(33656002)(5660300002)(26005)(316002)(6506007)(8936002)(53546011)(81156014)(81166006)(8676002)(7696005)(7416002)(2906002)(66556008)(55016002)(110136005)(45080400002)(478600001)(966005)(86362001)(71200400001)(44832011)(9686003)(66446008)(64756008)(66946007)(76116006)(66476007)(921003)(1121003);DIR:OUT;SFP:1101;SCL:1;SRVR:AM5PR04MB3057;H:AM5PR04MB3299.eurprd04.prod.outlook.com;FPR:;SPF:None;LANG:en;PTR:InfoNoRecords;A:1;MX:1; received-spf: None (protection.outlook.com: nxp.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam: BCL:0; x-microsoft-antispam-message-info: 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 x-ms-exchange-antispam-messagedata: SFBcfQ2PhkW9DfWLZ+V33RTrdO73ISzIHMgh6Pbues3gW5ozqWaAjqoTvtSZ3IsBDKp7ggFBzjdcUZXOTFVzyIr3J1Z/uidKtWiGVEPsCA7gTDlf+6pf6gGiROgFck9oowpcJb9H9lOvSNkp4fQElw== Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 95bd2900-650b-451c-e350-08d7bc5c89e9 X-MS-Exchange-CrossTenant-originalarrivaltime: 28 Feb 2020 14:43:13.0395 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: TkPwD2XsIfGEWrvIxG2TcRothGJAoKL8E/7IsIuXVBExui8WG4FcQzBd8h5ds2OwDCSE+ZKuDWLSPURXMPu7SA== X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM5PR04MB3057 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org DQoNCj4gLS0tLS1PcmlnaW5hbCBNZXNzYWdlLS0tLS0NCj4gRnJvbTogS2lzaG9uIFZpamF5IEFi cmFoYW0gSSA8a2lzaG9uQHRpLmNvbT4NCj4gU2VudDogMjAyMOW5tDLmnIgyOOaXpSAxOTo0MQ0K PiBUbzogWGlhb3dlaSBCYW8gPHhpYW93ZWkuYmFvQG54cC5jb20+OyByb2JoK2R0QGtlcm5lbC5v cmc7DQo+IG1hcmsucnV0bGFuZEBhcm0uY29tOyBzaGF3bmd1b0BrZXJuZWwub3JnOyBMZW8gTGkN Cj4gPGxlb3lhbmcubGlAbnhwLmNvbT47IGxvcmVuem8ucGllcmFsaXNpQGFybS5jb207IE0uaC4g TGlhbg0KPiA8bWluZ2h1YW4ubGlhbkBueHAuY29tPjsgTWluZ2thaSBIdSA8bWluZ2thaS5odUBu eHAuY29tPjsgUm95IFphbmcNCj4gPHJveS56YW5nQG54cC5jb20+OyBqaW5nb29oYW4xQGdtYWls LmNvbTsNCj4gZ3VzdGF2by5waW1lbnRlbEBzeW5vcHN5cy5jb207IGFuZHJldy5tdXJyYXlAYXJt LmNvbTsNCj4gbGludXgtcGNpQHZnZXIua2VybmVsLm9yZzsgbGludXgtYXJtLWtlcm5lbEBsaXN0 cy5pbmZyYWRlYWQub3JnOw0KPiBkZXZpY2V0cmVlQHZnZXIua2VybmVsLm9yZzsgbGludXgta2Vy bmVsQHZnZXIua2VybmVsLm9yZzsNCj4gbGludXhwcGMtZGV2QGxpc3RzLm96bGFicy5vcmcNCj4g U3ViamVjdDogUmU6IFtQQVRDSCB2NCAwOC8xMV0gUENJOiBsYXllcnNjYXBlOiBNb2RpZnkgdGhl IE1TSVggdG8gdGhlDQo+IGRvb3JiZWxsIG1vZGUNCj4gDQo+IEhpIFhpYW93ZWksDQo+IA0KPiBP biAyNC8wOS8xOSA3OjQ4IGFtLCBYaWFvd2VpIEJhbyB3cm90ZToNCj4gPiBkd19wY2llX2VwX3Jh aXNlX21zaXhfaXJxIHdhcyBuZXZlciBjYWxsZWQgaW4gdGhlIGV4aXNpdG5nIGRyaXZlcg0KPiA+ IGJlZm9yZSwgYmVjYXVzZSB0aGUgbHMxMDQ2YSBwbGF0Zm9ybSBkb24ndCBzdXBwb3J0IHRoZSBN U0lYIGZlYXR1cmUNCj4gPiBhbmQgbXNpeF9jYXBhYmxlIHdhcyBhbHdheXMgc2V0IHRvIGZhbHNl Lg0KPiA+IE5vdyB0aGF0IGFkZCB0aGUgbHMxMDg4YSBwbGF0Zm9ybSB3aXRoIE1TSVggc3VwcG9y dCwgYnV0IHRoZSBleGlzdGluZw0KPiA+IGR3X3BjaWVfZXBfcmFpc2VfbXNpeF9pcnEgZG9lc24n dCB3b3JrLCBzbyB1c2UgdGhlIGRvb3JiZWxsIG1ldGhvZCB0bw0KPiA+IHN1cHBvcnQgdGhlIE1T SVggZmVhdHVyZS4NCj4gDQo+IA0KPiBJdCBkb2VzIHdvcmsgYWZ0ZXIgWzFdLiBTbyB0aGUgY29t bWl0IG1lc3NhZ2UgbWlnaHQgbm90IGJlIGV4YWN0bHkgdHJ1ZS4NCg0KR290IGl0LCBJIHdpbGwg dmVyaWZ5IGl0IHdpdGggeW91ciBwYXRjaCwgZG8geW91IG1lYW4gdGhhdCBJIHNob3VsZCBjb3Jy ZWN0IHRoZSBjb21taXQgDQptZXNzYWdlPyBJIHRoaW5rIHdlIGNhbiByZXNlcnZlIG15IE1TSS1Y IHBhdGNoLCB0aGlzIHBhdGNoIGNhbiBwcm92aWRlIGFub3RoZXIgDQpNU0ktWCB0cmlnZ2VyIHdh eSwgYW5kIHRoaXMgd2F5IGlzIGNsZWFybHkgc3RhdGVkIGluIHRoZSBEV0MgbWFudWFsLCB0aGFu a3MsIHBsZWFzZQ0KZ2l2ZSB5b3VyIGNvbW1lbnRzLg0KDQpUaGFua3MNClhpYW93ZWkNCg0KPiAN Cj4gWzFdIC0+DQo+IGh0dHBzOi8vZXVyMDEuc2FmZWxpbmtzLnByb3RlY3Rpb24ub3V0bG9vay5j b20vP3VybD1odHRwcyUzQSUyRiUyRmxvcmUua2UNCj4gcm5lbC5vcmclMkZyJTJGMjAyMDAyMjUw ODE3MDMuODg1Ny0xLWtpc2hvbiU0MHRpLmNvbSZhbXA7ZGF0YT0wMiUNCj4gN0MwMSU3Q3hpYW93 ZWkuYmFvJTQwbnhwLmNvbSU3Qzg0MTkxZGYwY2QwOTQ1MWVmM2U2MDhkN2JjNDI3NzQ1DQo+ICU3 QzY4NmVhMWQzYmMyYjRjNmZhOTJjZDk5YzVjMzAxNjM1JTdDMCU3QzAlN0M2MzcxODQ4NjU5Njk2 ODQNCj4gMTY5JmFtcDtzZGF0YT1LOWZ2YnBRNHh1dVpLaFdUNlVWMk00U1Z5SHhRM0xqcHVKUXp0 a3RMYVJJJTNEJg0KPiBhbXA7cmVzZXJ2ZWQ9MA0KPiANCj4gVGhhbmtzDQo+IEtpc2hvbg0KPiAN Cj4gPg0KPiA+IFNpZ25lZC1vZmYtYnk6IFhpYW93ZWkgQmFvIDx4aWFvd2VpLmJhb0BueHAuY29t Pg0KPiA+IFJldmlld2VkLWJ5OiBBbmRyZXcgTXVycmF5IDxhbmRyZXcubXVycmF5QGFybS5jb20+ DQo+ID4gLS0tDQo+ID4gdjI6DQo+ID4gIC0gTm8gY2hhbmdlDQo+ID4gdjM6DQo+ID4gIC0gTW9k aWZ5IHRoZSBjb21taXQgbWVzc2FnZSBtYWtlIGl0IGNsZWFybHkuDQo+ID4gdjQ6DQo+ID4gIC0g Tm8gY2hhbmdlDQo+ID4NCj4gPiAgZHJpdmVycy9wY2kvY29udHJvbGxlci9kd2MvcGNpLWxheWVy c2NhcGUtZXAuYyB8IDMgKystDQo+ID4gIDEgZmlsZSBjaGFuZ2VkLCAyIGluc2VydGlvbnMoKyks IDEgZGVsZXRpb24oLSkNCj4gPg0KPiA+IGRpZmYgLS1naXQgYS9kcml2ZXJzL3BjaS9jb250cm9s bGVyL2R3Yy9wY2ktbGF5ZXJzY2FwZS1lcC5jDQo+ID4gYi9kcml2ZXJzL3BjaS9jb250cm9sbGVy L2R3Yy9wY2ktbGF5ZXJzY2FwZS1lcC5jDQo+ID4gaW5kZXggMWUwNzI4Ny4uNWYwY2I5OSAxMDA2 NDQNCj4gPiAtLS0gYS9kcml2ZXJzL3BjaS9jb250cm9sbGVyL2R3Yy9wY2ktbGF5ZXJzY2FwZS1l cC5jDQo+ID4gKysrIGIvZHJpdmVycy9wY2kvY29udHJvbGxlci9kd2MvcGNpLWxheWVyc2NhcGUt ZXAuYw0KPiA+IEBAIC03OSw3ICs3OSw4IEBAIHN0YXRpYyBpbnQgbHNfcGNpZV9lcF9yYWlzZV9p cnEoc3RydWN0IGR3X3BjaWVfZXAgKmVwLA0KPiB1OCBmdW5jX25vLA0KPiA+ICAJY2FzZSBQQ0lf RVBDX0lSUV9NU0k6DQo+ID4gIAkJcmV0dXJuIGR3X3BjaWVfZXBfcmFpc2VfbXNpX2lycShlcCwg ZnVuY19ubywgaW50ZXJydXB0X251bSk7DQo+ID4gIAljYXNlIFBDSV9FUENfSVJRX01TSVg6DQo+ ID4gLQkJcmV0dXJuIGR3X3BjaWVfZXBfcmFpc2VfbXNpeF9pcnEoZXAsIGZ1bmNfbm8sIGludGVy cnVwdF9udW0pOw0KPiA+ICsJCXJldHVybiBkd19wY2llX2VwX3JhaXNlX21zaXhfaXJxX2Rvb3Ji ZWxsKGVwLCBmdW5jX25vLA0KPiA+ICsJCQkJCQkJICBpbnRlcnJ1cHRfbnVtKTsNCj4gPiAgCWRl ZmF1bHQ6DQo+ID4gIAkJZGV2X2VycihwY2ktPmRldiwgIlVOS05PV04gSVJRIHR5cGVcbiIpOw0K PiA+ICAJCXJldHVybiAtRUlOVkFMOw0KPiA+DQo=