Received: by 2002:a25:8b12:0:0:0:0:0 with SMTP id i18csp1295432ybl; Fri, 23 Aug 2019 17:09:48 -0700 (PDT) X-Google-Smtp-Source: APXvYqwC70j3bdd9lyDYWfDQz0zmjG4WQs8UqA8irld/iWSaRy9VCZjY8aPK3TmgE/wC0smYsrgq X-Received: by 2002:a17:902:b687:: with SMTP id c7mr7821963pls.128.1566605388791; Fri, 23 Aug 2019 17:09:48 -0700 (PDT) ARC-Seal: i=2; a=rsa-sha256; t=1566605388; cv=pass; d=google.com; s=arc-20160816; b=fP7J9D9TmemfqVzNr67he7N5QhTLZ+FOqZk5SBSQkP2SS25asumRsMhz1zB8W5YVMJ Ewd8uHO8JagFT9twp/V6kot7zKkTC1aDVDVidRt0lm6qZRNFsqOBu1e2L6yjmgXNiVZh 4KtQT5vOY3/Nat58nzARUggDnv6U+rAkw21V3CF0x02RnYWURPybCbpPxN/VvTz2FR4v 7qH9YA5xHcO1DJh8A/PustOC9a0bwGxfKJ1mgY4H2IfKVnnkwge23huIGGeuvfnfMP88 GcAP7xikpIz2QMQvPG1b+QtSV4x7QBaVozTKEkMotLtinixbtwZ8FWQASZACHsk74wjY 1hWg== 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:cc:to:from:dkim-signature; bh=dap3kQVTaBTLLvLZPpb+PMLQsyGNS9sDpraZVIRoTNg=; b=cLeNCeQqEsll05CIiV8/ZHvgaSrtyFTWaN9J3+vWJqyKebWq94PmGfRrHr4du8dw+Y dNMEPUcel3aWCKX8YXMmj9BYeGe6YavrwKRJ/+mvWeBsT1CGccGBQXuP72s72NruuZs8 5rbS+9A4b1D3O7ZnZBtdSrptXvjVw5MGyRyRLsH2eQc8/ePcFtgc1qdSvV3eyKMT52ab u92SUvQW/O6x/QMDcRMKjw2XMxJN3Q1clxRuubZ6CJj6zVTiK/RdfmDO4iednJM4d1yh 6OeTUhfCsVXbBbxeOUpyeWz6Ys73OGul4KTtaMPRw7Ezg3onh70pjuQC33sgm86cNxbI M0RA== ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@nxp.com header.s=selector2 header.b=GI57Jvri; 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 p9si3540213plk.47.2019.08.23.17.09.33; Fri, 23 Aug 2019 17:09:48 -0700 (PDT) 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=GI57Jvri; 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 S1726283AbfHXAIp (ORCPT + 99 others); Fri, 23 Aug 2019 20:08:45 -0400 Received: from mail-eopbgr140052.outbound.protection.outlook.com ([40.107.14.52]:11822 "EHLO EUR01-VE1-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1725930AbfHXAIp (ORCPT ); Fri, 23 Aug 2019 20:08:45 -0400 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=hDVGL8Hh6fpQ+psCMrZygKc9veNlp2JoplF5yjd4m+ou0q+JIFD/06Ug9NWLvezqx5RZY7T6uKR+3AQ6nZ0ZS7rS0jLKyYW0o9FlIpzYm4L0bTNukpBBBaUQiZ4ZZNaeR9Tp959/pKoqsq9AhZ/4WGAAOTKdijke5i9qnutRKbjIz4Lilk4V1BHBHqKWmwo0FueVBseY7O0IA7rQUauAez60BO5MzcbL0OkNCUf6uFv92MJdyn+M8nJaWIvmPHE/9muKREBsfSw4f+wQVGCqbZC5jcFqBGtNb1KwGDUwmmQ5MGDwBl8ks99l5z5A89dSZQUxmbHWKJV0C9D4ubhvXQ== 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=dap3kQVTaBTLLvLZPpb+PMLQsyGNS9sDpraZVIRoTNg=; b=E93gP029yZr26Me0VB+zB3cQjLseM6zHdu/Uo7WJyJjjqIduewg7rc1q/X1/x6MiYWvbaeW9uV9YA/LB2QDUxfivbZhg4rA9+Z6OnEZjdzUjaeYbIFtpWXFiZfJxdWYE33TzUTg5BoD4aeLZdAdZBsBbjJC24A/63ICHBSTpyWpDvzQXVelz3p8MOUSQEiDHUowR77Y6Hrhn2JMTffApD0oHs4L2Wcc7OWRDoeTLienY05SgqZqGzd2nvV+9y1gzE4JG/4y6Nk7rwCTt5VxNasm0CooPBa9YkwCe73+esdxlzXg8JzGx8uf9JNdpx9yZqVOfkrYj2ik9LGJkVTOUJA== 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=dap3kQVTaBTLLvLZPpb+PMLQsyGNS9sDpraZVIRoTNg=; b=GI57JvriMw927NzkkwPEzK7ND01A0ai0POsML5QYVK74uxEcNlR5fxhvHFNwvJE7i8We026t2Uh6GBipSpdPyr4LdnkbZRl0J5o+H9QL2rLyd1yAN87UR5VDw3L8RWwpD7VRAuwWGmC0Or1+KsspXCI6gHbuw2rD/qR0fT5ho0c= Received: from AM5PR04MB3299.eurprd04.prod.outlook.com (10.173.255.158) by AM5PR04MB3204.eurprd04.prod.outlook.com (10.167.169.33) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2178.16; Sat, 24 Aug 2019 00:08:40 +0000 Received: from AM5PR04MB3299.eurprd04.prod.outlook.com ([fe80::1ce8:464b:3edf:4043]) by AM5PR04MB3299.eurprd04.prod.outlook.com ([fe80::1ce8:464b:3edf:4043%7]) with mapi id 15.20.2178.020; Sat, 24 Aug 2019 00:08:40 +0000 From: Xiaowei Bao To: Andrew Murray CC: "bhelgaas@google.com" , "robh+dt@kernel.org" , "mark.rutland@arm.com" , "shawnguo@kernel.org" , Leo Li , "kishon@ti.com" , "lorenzo.pieralisi@arm.co" , "arnd@arndb.de" , "gregkh@linuxfoundation.org" , "M.h. Lian" , Mingkai Hu , Roy Zang , "jingoohan1@gmail.com" , "gustavo.pimentel@synopsys.com" , "linux-pci@vger.kernel.org" , "devicetree@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , "linuxppc-dev@lists.ozlabs.org" Subject: RE: [PATCH v2 07/10] PCI: layerscape: Modify the MSIX to the doorbell way Thread-Topic: [PATCH v2 07/10] PCI: layerscape: Modify the MSIX to the doorbell way Thread-Index: AQHVWN1daYnbY17h2k2o9Z3qkBZ1lKcIw+QAgACoZvA= Date: Sat, 24 Aug 2019 00:08:40 +0000 Message-ID: References: <20190822112242.16309-1-xiaowei.bao@nxp.com> <20190822112242.16309-7-xiaowei.bao@nxp.com> <20190823135816.GH14582@e119886-lin.cambridge.arm.com> In-Reply-To: <20190823135816.GH14582@e119886-lin.cambridge.arm.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-correlation-id: 2107153e-49b5-4d3c-b4df-08d728273832 x-ms-office365-filtering-ht: Tenant x-microsoft-antispam: BCL:0;PCL:0;RULEID:(2390118)(7020095)(4652040)(8989299)(5600166)(711020)(4605104)(1401327)(4618075)(4534185)(4627221)(201703031133081)(201702281549075)(8990200)(2017052603328)(7193020);SRVR:AM5PR04MB3204; x-ms-traffictypediagnostic: AM5PR04MB3204: x-ms-exchange-transport-forked: True x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:8273; x-forefront-prvs: 0139052FDB x-forefront-antispam-report: SFV:NSPM;SFS:(10009020)(4636009)(136003)(366004)(39860400002)(396003)(346002)(376002)(189003)(199004)(13464003)(256004)(81166006)(476003)(8676002)(6246003)(3846002)(2906002)(6116002)(53936002)(8936002)(14444005)(76116006)(66946007)(44832011)(66476007)(7736002)(5660300002)(64756008)(66556008)(25786009)(4326008)(486006)(66446008)(86362001)(99286004)(55016002)(9686003)(7696005)(14454004)(76176011)(52536014)(81156014)(229853002)(54906003)(316002)(6916009)(478600001)(305945005)(74316002)(6506007)(7416002)(53546011)(26005)(186003)(102836004)(6436002)(66066001)(33656002)(11346002)(446003)(71200400001)(71190400001);DIR:OUT;SFP:1101;SCL:1;SRVR:AM5PR04MB3204;H:AM5PR04MB3299.eurprd04.prod.outlook.com;FPR:;SPF:None;LANG:en;PTR:InfoNoRecords;MX:1;A:1; received-spf: None (protection.outlook.com: nxp.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: nWadkxb4oB6Tl9+NjWOFztPHDK/FwjWFH2D58LKYfCS9SkEo0Xxg0WlqWQbI+cyoq1rC2dqzPiG6/qy0fSzPiXrPSegrydTsHPKxxpVzWzPvLhOrSQuDUqVKWestfW/Bx82kvVFkBhWMhLg+zI5oAwKYZMG/Dgv7Bdo3n9Nr3rKx6G4A0M3bU0idS+qFp9HKhZ/QXOdKYWu+jXQkUsAH3k+PzrFjvWzJeqUSXNNJiSoInC7o4z4FTqYwM2gOJRY20U86zb4v2We60Slcfq8eFvWnr5hctIBzBqPMM3SjRJXdAAvRZoi4RBEWCju8o7af/D0Y+gOIJQ+8+bcijetTUPYaQaGeWLMvcqr5zP0ijPksVYMkM8fBToqnPlV/SXSLfhH+ZXJaPokcvU/ZBiE6jpNeNLeq459vdsqwjxCGcXc= Content-Type: text/plain; charset="gb2312" Content-Transfer-Encoding: base64 MIME-Version: 1.0 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 2107153e-49b5-4d3c-b4df-08d728273832 X-MS-Exchange-CrossTenant-originalarrivaltime: 24 Aug 2019 00:08:40.6078 (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: tOKlaXqrRvKp3EqxldhfNTitBR2pPY3mEdvuwPVyJHfTez4xuBDvlu7oAGoWmOZDJN+UjO2Tvhk32kNzx1mXjQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM5PR04MB3204 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org DQoNCj4gLS0tLS1PcmlnaW5hbCBNZXNzYWdlLS0tLS0NCj4gRnJvbTogQW5kcmV3IE11cnJheSA8 YW5kcmV3Lm11cnJheUBhcm0uY29tPg0KPiBTZW50OiAyMDE5xOo41MIyM8jVIDIxOjU4DQo+IFRv OiBYaWFvd2VpIEJhbyA8eGlhb3dlaS5iYW9AbnhwLmNvbT4NCj4gQ2M6IGJoZWxnYWFzQGdvb2ds ZS5jb207IHJvYmgrZHRAa2VybmVsLm9yZzsgbWFyay5ydXRsYW5kQGFybS5jb207DQo+IHNoYXdu Z3VvQGtlcm5lbC5vcmc7IExlbyBMaSA8bGVveWFuZy5saUBueHAuY29tPjsga2lzaG9uQHRpLmNv bTsNCj4gbG9yZW56by5waWVyYWxpc2lAYXJtLmNvOyBhcm5kQGFybmRiLmRlOyBncmVna2hAbGlu dXhmb3VuZGF0aW9uLm9yZzsgTS5oLg0KPiBMaWFuIDxtaW5naHVhbi5saWFuQG54cC5jb20+OyBN aW5na2FpIEh1IDxtaW5na2FpLmh1QG54cC5jb20+OyBSb3kNCj4gWmFuZyA8cm95LnphbmdAbnhw LmNvbT47IGppbmdvb2hhbjFAZ21haWwuY29tOw0KPiBndXN0YXZvLnBpbWVudGVsQHN5bm9wc3lz LmNvbTsgbGludXgtcGNpQHZnZXIua2VybmVsLm9yZzsNCj4gZGV2aWNldHJlZUB2Z2VyLmtlcm5l bC5vcmc7IGxpbnV4LWtlcm5lbEB2Z2VyLmtlcm5lbC5vcmc7DQo+IGxpbnV4LWFybS1rZXJuZWxA bGlzdHMuaW5mcmFkZWFkLm9yZzsgbGludXhwcGMtZGV2QGxpc3RzLm96bGFicy5vcmcNCj4gU3Vi amVjdDogUmU6IFtQQVRDSCB2MiAwNy8xMF0gUENJOiBsYXllcnNjYXBlOiBNb2RpZnkgdGhlIE1T SVggdG8gdGhlDQo+IGRvb3JiZWxsIHdheQ0KPiANCj4gT24gVGh1LCBBdWcgMjIsIDIwMTkgYXQg MDc6MjI6MzlQTSArMDgwMCwgWGlhb3dlaSBCYW8gd3JvdGU6DQo+ID4gVGhlIGxheWVyc2NhcGUg cGxhdGZvcm0gdXNlIHRoZSBkb29yYmVsbCB3YXkgdG8gdHJpZ2dlciBNU0lYIGludGVycnVwdA0K PiA+IGluIEVQIG1vZGUuDQo+ID4NCj4gDQo+IEkgaGF2ZSBubyBwcm9ibGVtcyB3aXRoIHRoaXMg cGF0Y2gsIGhvd2V2ZXIuLi4NCj4gDQo+IEFyZSB5b3UgYWJsZSB0byBhZGQgdG8gdGhpcyBtZXNz YWdlIGEgcmVhc29uIGZvciB3aHkgeW91IGFyZSBtYWtpbmcgdGhpcw0KPiBjaGFuZ2U/IERpZCBk d19wY2llX2VwX3JhaXNlX21zaXhfaXJxIG5vdCB3b3JrIHdoZW4gZnVuY19ubyAhPSAwPyBPciBk aWQNCj4gaXQgd29yayB5ZXQgZHdfcGNpZV9lcF9yYWlzZV9tc2l4X2lycV9kb29yYmVsbCBpcyBt b3JlIGVmZmljaWVudD8NCg0KVGhlIGZhY3QgaXMgdGhhdCwgdGhpcyBkcml2ZXIgaXMgdmVyaWZp ZWQgaW4gbHMxMDQ2YSBwbGF0Zm9ybSBvZiBOWFAgYmVmb3JlLCBhbmQgbHMxMDQ2YSBkb24ndA0K c3VwcG9ydCBNU0lYIGZlYXR1cmUsIHNvIEkgc2V0IHRoZSBtc2l4X2NhcGFibGUgb2YgcGNpX2Vw Y19mZWF0dXJlcyBzdHJ1Y3QgaXMgZmFsc2UsDQpidXQgaW4gb3RoZXIgcGxhdGZvcm0sIGUuZy4g bHMxMDg4YSwgaXQgc3VwcG9ydCB0aGUgTVNJWCBmZWF0dXJlLCBJIHZlcmlmaWVkIHRoZSBNU0lY DQpmZWF0dXJlIGluIGxzMTA4OGEsIGl0IGlzIG5vdCBPSywgc28gSSBjaGFuZ2VkIHRvIGFub3Ro ZXIgd2F5LiBUaGFua3MuDQoNCj4gDQo+IFRoYW5rcywNCj4gDQo+IEFuZHJldyBNdXJyYXkNCj4g DQo+ID4gU2lnbmVkLW9mZi1ieTogWGlhb3dlaSBCYW8gPHhpYW93ZWkuYmFvQG54cC5jb20+DQo+ ID4gLS0tDQo+ID4gdjI6DQo+ID4gIC0gTm8gY2hhbmdlLg0KPiA+DQo+ID4gIGRyaXZlcnMvcGNp L2NvbnRyb2xsZXIvZHdjL3BjaS1sYXllcnNjYXBlLWVwLmMgfCAzICsrLQ0KPiA+ICAxIGZpbGUg Y2hhbmdlZCwgMiBpbnNlcnRpb25zKCspLCAxIGRlbGV0aW9uKC0pDQo+ID4NCj4gPiBkaWZmIC0t Z2l0IGEvZHJpdmVycy9wY2kvY29udHJvbGxlci9kd2MvcGNpLWxheWVyc2NhcGUtZXAuYw0KPiA+ IGIvZHJpdmVycy9wY2kvY29udHJvbGxlci9kd2MvcGNpLWxheWVyc2NhcGUtZXAuYw0KPiA+IGlu ZGV4IDg0NjFmNjIuLjdjYTVmZTggMTAwNjQ0DQo+ID4gLS0tIGEvZHJpdmVycy9wY2kvY29udHJv bGxlci9kd2MvcGNpLWxheWVyc2NhcGUtZXAuYw0KPiA+ICsrKyBiL2RyaXZlcnMvcGNpL2NvbnRy b2xsZXIvZHdjL3BjaS1sYXllcnNjYXBlLWVwLmMNCj4gPiBAQCAtNzQsNyArNzQsOCBAQCBzdGF0 aWMgaW50IGxzX3BjaWVfZXBfcmFpc2VfaXJxKHN0cnVjdCBkd19wY2llX2VwICplcCwNCj4gdTgg ZnVuY19ubywNCj4gPiAgCWNhc2UgUENJX0VQQ19JUlFfTVNJOg0KPiA+ICAJCXJldHVybiBkd19w Y2llX2VwX3JhaXNlX21zaV9pcnEoZXAsIGZ1bmNfbm8sIGludGVycnVwdF9udW0pOw0KPiA+ICAJ Y2FzZSBQQ0lfRVBDX0lSUV9NU0lYOg0KPiA+IC0JCXJldHVybiBkd19wY2llX2VwX3JhaXNlX21z aXhfaXJxKGVwLCBmdW5jX25vLCBpbnRlcnJ1cHRfbnVtKTsNCj4gPiArCQlyZXR1cm4gZHdfcGNp ZV9lcF9yYWlzZV9tc2l4X2lycV9kb29yYmVsbChlcCwgZnVuY19ubywNCj4gPiArCQkJCQkJCSAg aW50ZXJydXB0X251bSk7DQo+ID4gIAlkZWZhdWx0Og0KPiA+ICAJCWRldl9lcnIocGNpLT5kZXYs ICJVTktOT1dOIElSUSB0eXBlXG4iKTsNCj4gPiAgCQlyZXR1cm4gLUVJTlZBTDsNCj4gPiAtLQ0K PiA+IDIuOS41DQo+ID4NCg==