From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: <xiao.w.wang@intel.com> Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by dpdk.org (Postfix) with ESMTP id 41B761B6F2 for <dev@dpdk.org>; Mon, 17 Dec 2018 10:13:03 +0100 (CET) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga001.jf.intel.com ([10.7.209.18]) by fmsmga101.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 17 Dec 2018 01:13:02 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.56,364,1539673200"; d="scan'208";a="119425862" Received: from fmsmsx107.amr.corp.intel.com ([10.18.124.205]) by orsmga001.jf.intel.com with ESMTP; 17 Dec 2018 01:13:01 -0800 Received: from fmsmsx101.amr.corp.intel.com (10.18.124.199) by fmsmsx107.amr.corp.intel.com (10.18.124.205) with Microsoft SMTP Server (TLS) id 14.3.408.0; Mon, 17 Dec 2018 01:13:01 -0800 Received: from shsmsx103.ccr.corp.intel.com (10.239.4.69) by fmsmsx101.amr.corp.intel.com (10.18.124.199) with Microsoft SMTP Server (TLS) id 14.3.408.0; Mon, 17 Dec 2018 01:13:00 -0800 Received: from shsmsx101.ccr.corp.intel.com ([169.254.1.201]) by SHSMSX103.ccr.corp.intel.com ([169.254.4.59]) with mapi id 14.03.0415.000; Mon, 17 Dec 2018 17:12:58 +0800 From: "Wang, Xiao W" <xiao.w.wang@intel.com> To: Maxime Coquelin <maxime.coquelin@redhat.com>, "Bie, Tiwei" <tiwei.bie@intel.com> CC: "alejandro.lucero@netronome.com" <alejandro.lucero@netronome.com>, "dev@dpdk.org" <dev@dpdk.org>, "Wang, Zhihong" <zhihong.wang@intel.com>, "Ye, Xiaolong" <xiaolong.ye@intel.com> Thread-Topic: [PATCH v4 09/10] net/ifc: support SW assisted VDPA live migration Thread-Index: AQHUk/PDLbR7aDxv1U2vX+VKIGdQ4aWAlz+AgAIPD5A= Date: Mon, 17 Dec 2018 09:12:57 +0000 Message-ID: <B7F2E978279D1D49A3034B7786DACF407A4BAD6C@SHSMSX101.ccr.corp.intel.com> References: <20181213100910.13087-2-xiao.w.wang@intel.com> <20181214211612.167681-1-xiao.w.wang@intel.com> <20181214211612.167681-10-xiao.w.wang@intel.com> <fee047d7-8314-e072-0f98-69faa4a5bd48@redhat.com> In-Reply-To: <fee047d7-8314-e072-0f98-69faa4a5bd48@redhat.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ctpclassification: CTP_NT x-titus-metadata-40: eyJDYXRlZ29yeUxhYmVscyI6IiIsIk1ldGFkYXRhIjp7Im5zIjoiaHR0cDpcL1wvd3d3LnRpdHVzLmNvbVwvbnNcL0ludGVsMyIsImlkIjoiMDQ5ZWY2NTEtMmUzMy00MzcyLWJjMzktYjM5YWFiZmRkNjQzIiwicHJvcHMiOlt7Im4iOiJDVFBDbGFzc2lmaWNhdGlvbiIsInZhbHMiOlt7InZhbHVlIjoiQ1RQX05UIn1dfV19LCJTdWJqZWN0TGFiZWxzIjpbXSwiVE1DVmVyc2lvbiI6IjE3LjEwLjE4MDQuNDkiLCJUcnVzdGVkTGFiZWxIYXNoIjoiSENsUVBWcmplMG5Iem1ZS3FSRHpHYlUxakJNeEt5QUl3dzUrQmJkTmlleHFCbzhGYWtqQWh2ZXFDY0s2NnBBWSJ9 dlp-product: dlpe-windows dlp-version: 11.0.400.15 dlp-reaction: no-action x-originating-ip: [10.239.127.40] Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 Subject: Re: [dpdk-dev] [PATCH v4 09/10] net/ifc: support SW assisted VDPA live migration X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions <dev.dpdk.org> List-Unsubscribe: <https://mails.dpdk.org/options/dev>, <mailto:dev-request@dpdk.org?subject=unsubscribe> List-Archive: <http://mails.dpdk.org/archives/dev/> List-Post: <mailto:dev@dpdk.org> List-Help: <mailto:dev-request@dpdk.org?subject=help> List-Subscribe: <https://mails.dpdk.org/listinfo/dev>, <mailto:dev-request@dpdk.org?subject=subscribe> X-List-Received-Date: Mon, 17 Dec 2018 09:13:04 -0000 SGkgTWF4aW1lLA0KDQo+IC0tLS0tT3JpZ2luYWwgTWVzc2FnZS0tLS0tDQo+IEZyb206IE1heGlt ZSBDb3F1ZWxpbiBbbWFpbHRvOm1heGltZS5jb3F1ZWxpbkByZWRoYXQuY29tXQ0KPiBTZW50OiBT dW5kYXksIERlY2VtYmVyIDE2LCAyMDE4IDE6MzUgQU0NCj4gVG86IFdhbmcsIFhpYW8gVyA8eGlh by53LndhbmdAaW50ZWwuY29tPjsgQmllLCBUaXdlaSA8dGl3ZWkuYmllQGludGVsLmNvbT4NCj4g Q2M6IGFsZWphbmRyby5sdWNlcm9AbmV0cm9ub21lLmNvbTsgZGV2QGRwZGsub3JnOyBXYW5nLCBa aGlob25nDQo+IDx6aGlob25nLndhbmdAaW50ZWwuY29tPjsgWWUsIFhpYW9sb25nIDx4aWFvbG9u Zy55ZUBpbnRlbC5jb20+DQo+IFN1YmplY3Q6IFJlOiBbUEFUQ0ggdjQgMDkvMTBdIG5ldC9pZmM6 IHN1cHBvcnQgU1cgYXNzaXN0ZWQgVkRQQSBsaXZlIG1pZ3JhdGlvbg0KPiANCj4gDQo+IA0KPiBP biAxMi8xNC8xOCAxMDoxNiBQTSwgWGlhbyBXYW5nIHdyb3RlOg0KPiA+IEluIFNXIGFzc2lzdGVk IGxpdmUgbWlncmF0aW9uIG1vZGUsIGRyaXZlciB3aWxsIHN0b3AgdGhlIGRldmljZSBhbmQNCj4g PiBzZXR1cCBhIG1lZGlhdGUgdmlydGlvIHJpbmcgdG8gcmVsYXkgdGhlIGNvbW11bmljYXRpb24g YmV0d2VlbiB0aGUNCj4gPiB2aXJ0aW8gZHJpdmVyIGFuZCB0aGUgVkRQQSBkZXZpY2UuDQo+ID4N Cj4gPiBUaGlzIGRhdGEgcGF0aCBpbnRlcnZlbnRpb24gd2lsbCBhbGxvdyBTVyB0byBoZWxwIG9u IGd1ZXN0IGRpcnR5IHBhZ2UNCj4gPiBsb2dnaW5nIGZvciBsaXZlIG1pZ3JhdGlvbi4NCj4gPg0K PiA+IFRoaXMgU1cgZmFsbGJhY2sgaXMgZXZlbnQgZHJpdmVuIHJlbGF5IHRocmVhZCwgc28gd2hl biB0aGUgbmV0d29yaw0KPiA+IHRocm91Z2hwdXQgaXMgbG93LCB0aGlzIFNXIGZhbGxiYWNrIHdp bGwgdGFrZSBsaXR0bGUgQ1BVIHJlc291cmNlLCBidXQNCj4gPiB3aGVuIHRoZSB0aHJvdWdocHV0 IGdvZXMgdXAsIHRoZSByZWxheSB0aHJlYWQncyBDUFUgdXNhZ2Ugd2lsbCBnb2VzIHVwDQo+ID4g YWNjb3JkaW5seS4NCj4gDQo+IHMvYWNjb3JkaW5seS9hY2NvcmRpbmdseS8NCj4gDQoNCldpbGwg Zml4IGl0IGluIG5leHQgdmVyc2lvbi4NCg0KPiA+DQo+ID4gVXNlciBuZWVkcyB0byB0YWtlIGFs bCB0aGUgZmFjdG9ycyBpbmNsdWRpbmcgQ1BVIHVzYWdlLCBndWVzdCBwZXJmDQo+ID4gZGVncmFk YXRpb24sIGV0Yy4gaW50byBjb25zaWRlcmF0aW9uIHdoZW4gc2VsZWN0aW5nIHRoZSBsaXZlIG1p Z3JhdGlvbg0KPiA+IHN1cHBvcnQgbW9kZS4NCj4gPg0KPiA+IFNpZ25lZC1vZmYtYnk6IFhpYW8g V2FuZyA8eGlhby53LndhbmdAaW50ZWwuY29tPg0KPiA+IC0tLQ0KPiA+ICAgZHJpdmVycy9uZXQv aWZjL2Jhc2UvaWZjdmYuaCB8ICAgMSArDQo+ID4gICBkcml2ZXJzL25ldC9pZmMvaWZjdmZfdmRw YS5jIHwgMzQ2DQo+ICsrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKysrKy0N Cj4gPiAgIDIgZmlsZXMgY2hhbmdlZCwgMzQ0IGluc2VydGlvbnMoKyksIDMgZGVsZXRpb25zKC0p DQo+ID4NCj4gPiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9uZXQvaWZjL2Jhc2UvaWZjdmYuaCBiL2Ry aXZlcnMvbmV0L2lmYy9iYXNlL2lmY3ZmLmgNCj4gPiBpbmRleCBjMTVjNjkxMDcuLmU4YTMwZDJj NiAxMDA2NDQNCj4gPiAtLS0gYS9kcml2ZXJzL25ldC9pZmMvYmFzZS9pZmN2Zi5oDQo+ID4gKysr IGIvZHJpdmVycy9uZXQvaWZjL2Jhc2UvaWZjdmYuaA0KPiA+IEBAIC01MCw2ICs1MCw3IEBADQo+ ID4gICAjZGVmaW5lIElGQ1ZGX0xNX0VOQUJMRV9WRgkJMHgxDQo+ID4gICAjZGVmaW5lIElGQ1ZG X0xNX0VOQUJMRV9QRgkJMHgzDQo+ID4gICAjZGVmaW5lIElGQ1ZGX0xPR19CQVNFCQkJMHgxMDAw MDAwMDAwMDANCj4gPiArI2RlZmluZSBJRkNWRl9NRURJQVRFX1ZSSU5HCQkweDIwMDAwMDAwMDAw MA0KPiANCj4gTUVESUFURUQ/DQoNCiJtZWRpYXRlIiBpcyB1c2VkIGFzIGFkamVjdGl2ZSBoZXJl Lg0KDQo+IA0KPiA+DQo+ID4gICAjZGVmaW5lIElGQ1ZGXzMyX0JJVF9NQVNLCQkweGZmZmZmZmZm DQo+ID4NCj4gPiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9uZXQvaWZjL2lmY3ZmX3ZkcGEuYyBiL2Ry aXZlcnMvbmV0L2lmYy9pZmN2Zl92ZHBhLmMNCj4gPiBpbmRleCBmMTgxYzVhNmUuLjYxNzU3ZDBi NCAxMDA2NDQNCj4gPiAtLS0gYS9kcml2ZXJzL25ldC9pZmMvaWZjdmZfdmRwYS5jDQo+ID4gKysr IGIvZHJpdmVycy9uZXQvaWZjL2lmY3ZmX3ZkcGEuYw0KPiA+IEBAIC02Myw2ICs2Myw5IEBAIHN0 cnVjdCBpZmN2Zl9pbnRlcm5hbCB7DQo+ID4gICAJcnRlX2F0b21pYzMyX3QgcnVubmluZzsNCj4g PiAgIAlydGVfc3BpbmxvY2tfdCBsb2NrOw0KPiA+ICAgCWJvb2wgc3dfbG07DQoNClsuLi5dDQoN Cj4gPiArc3RhdGljIHZvaWQgKg0KPiA+ICt2cmluZ19yZWxheSh2b2lkICphcmcpDQo+ID4gK3sN Cj4gPiArCWludCBpLCB2aWQsIGVwZmQsIGZkLCBuZmRzOw0KPiA+ICsJc3RydWN0IGlmY3ZmX2lu dGVybmFsICppbnRlcm5hbCA9IChzdHJ1Y3QgaWZjdmZfaW50ZXJuYWwgKilhcmc7DQo+ID4gKwlz dHJ1Y3QgcnRlX3Zob3N0X3ZyaW5nIHZyaW5nOw0KPiA+ICsJc3RydWN0IHJ0ZV9pbnRyX2hhbmRs ZSAqaW50cl9oYW5kbGU7DQo+ID4gKwl1aW50MTZfdCBxaWQsIHFfbnVtOw0KPiA+ICsJc3RydWN0 IGVwb2xsX2V2ZW50IGV2ZW50c1tJRkNWRl9NQVhfUVVFVUVTICogNF07DQo+ID4gKwlzdHJ1Y3Qg ZXBvbGxfZXZlbnQgZXY7DQo+ID4gKwlpbnQgbmJ5dGVzOw0KPiA+ICsJdWludDY0X3QgYnVmOw0K PiA+ICsNCj4gPiArCXZpZCA9IGludGVybmFsLT52aWQ7DQo+ID4gKwlxX251bSA9IHJ0ZV92aG9z dF9nZXRfdnJpbmdfbnVtKHZpZCk7DQo+ID4gKwkvKiBwcmVwYXJlIHRoZSBtZWRpYXRlIHZyaW5n ICovDQo+ID4gKwlmb3IgKHFpZCA9IDA7IHFpZCA8IHFfbnVtOyBxaWQrKykgew0KPiA+ICsJCXJ0 ZV92aG9zdF9nZXRfdnJpbmdfYmFzZSh2aWQsIHFpZCwNCj4gPiArCQkJCSZpbnRlcm5hbC0+bV92 cmluZ1txaWRdLmF2YWlsLT5pZHgsDQo+ID4gKwkJCQkmaW50ZXJuYWwtPm1fdnJpbmdbcWlkXS51 c2VkLT5pZHgpOw0KPiA+ICsJCXJ0ZV92ZHBhX3JlbGF5X3ZyaW5nX2F2YWlsKHZpZCwgcWlkLCAm aW50ZXJuYWwtPm1fdnJpbmdbcWlkXSk7DQo+ID4gKwl9DQo+ID4gKw0KPiA+ICsJLyogYWRkIG5v dGlmeSBmZCBhbmQgaW50ZXJydXB0IGZkIHRvIGVwb2xsICovDQo+ID4gKwllcGZkID0gZXBvbGxf Y3JlYXRlKElGQ1ZGX01BWF9RVUVVRVMgKiAyKTsNCj4gPiArCWlmIChlcGZkIDwgMCkgew0KPiA+ ICsJCURSVl9MT0coRVJSLCAiZmFpbGVkIHRvIGNyZWF0ZSBlcG9sbCBpbnN0YW5jZS4iKTsNCj4g PiArCQlyZXR1cm4gTlVMTDsNCj4gPiArCX0NCj4gPiArCWludGVybmFsLT5lcGZkID0gZXBmZDsN Cj4gPiArDQo+ID4gKwlmb3IgKHFpZCA9IDA7IHFpZCA8IHFfbnVtOyBxaWQrKykgew0KPiA+ICsJ CWV2LmV2ZW50cyA9IEVQT0xMSU4gfCBFUE9MTFBSSTsNCj4gPiArCQlydGVfdmhvc3RfZ2V0X3Zo b3N0X3ZyaW5nKHZpZCwgcWlkLCAmdnJpbmcpOw0KPiA+ICsJCWV2LmRhdGEudTY0ID0gcWlkIDw8 IDEgfCAodWludDY0X3QpdnJpbmcua2lja2ZkIDw8IDMyOw0KPiA+ICsJCWlmIChlcG9sbF9jdGwo ZXBmZCwgRVBPTExfQ1RMX0FERCwgdnJpbmcua2lja2ZkLCAmZXYpIDwgMCkgew0KPiA+ICsJCQlE UlZfTE9HKEVSUiwgImVwb2xsIGFkZCBlcnJvcjogJXMiLCBzdHJlcnJvcihlcnJubykpOw0KPiA+ ICsJCQlyZXR1cm4gTlVMTDsNCj4gPiArCQl9DQo+ID4gKwl9DQo+ID4gKw0KPiA+ICsJaW50cl9o YW5kbGUgPSAmaW50ZXJuYWwtPnBkZXYtPmludHJfaGFuZGxlOw0KPiA+ICsJZm9yIChxaWQgPSAw OyBxaWQgPCBxX251bTsgcWlkKyspIHsNCj4gPiArCQlldi5ldmVudHMgPSBFUE9MTElOIHwgRVBP TExQUkk7DQo+ID4gKwkJZXYuZGF0YS51NjQgPSAxIHwgcWlkIDw8IDEgfA0KPiA+ICsJCQkodWlu dDY0X3QpaW50cl9oYW5kbGUtPmVmZHNbcWlkXSA8PCAzMjsNCj4gPiArCQlpZiAoZXBvbGxfY3Rs KGVwZmQsIEVQT0xMX0NUTF9BREQsIGludHJfaGFuZGxlLT5lZmRzW3FpZF0sDQo+ICZldikNCj4g PiArCQkJCTwgMCkgew0KPiA+ICsJCQlEUlZfTE9HKEVSUiwgImVwb2xsIGFkZCBlcnJvcjogJXMi LCBzdHJlcnJvcihlcnJubykpOw0KPiA+ICsJCQlyZXR1cm4gTlVMTDsNCj4gPiArCQl9DQo+ID4g Kwl9DQo+ID4gKw0KPiA+ICsJLyogc3RhcnQgcmVsYXkgd2l0aCBhIGZpcnN0IGtpY2sgKi8NCj4g PiArCWZvciAocWlkID0gMDsgcWlkIDwgcV9udW07IHFpZCsrKQ0KPiA+ICsJCWlmY3ZmX25vdGlm eV9xdWV1ZSgmaW50ZXJuYWwtPmh3LCBxaWQpOw0KPiA+ICsNCj4gPiArCS8qIGxpc3RlbiB0byB0 aGUgZXZlbnRzIGFuZCByZWFjdCBhY2NvcmRpbmdseSAqLw0KPiA+ICsJZm9yICg7Oykgew0KPiA+ ICsJCW5mZHMgPSBlcG9sbF93YWl0KGVwZmQsIGV2ZW50cywgcV9udW0gKiAyLCAtMSk7DQo+ID4g KwkJaWYgKG5mZHMgPCAwKSB7DQo+ID4gKwkJCWlmIChlcnJubyA9PSBFSU5UUikNCj4gPiArCQkJ CWNvbnRpbnVlOw0KPiA+ICsJCQlEUlZfTE9HKEVSUiwgImVwb2xsX3dhaXQgcmV0dXJuIGZhaWxc biIpOw0KPiA+ICsJCQlyZXR1cm4gTlVMTDsNCj4gPiArCQl9DQo+ID4gKw0KPiA+ICsJCWZvciAo aSA9IDA7IGkgPCBuZmRzOyBpKyspIHsNCj4gPiArCQkJZmQgPSAodWludDMyX3QpKGV2ZW50c1tp XS5kYXRhLnU2NCA+PiAzMik7DQo+ID4gKwkJCWRvIHsNCj4gPiArCQkJCW5ieXRlcyA9IHJlYWQo ZmQsICZidWYsIDgpOw0KPiA+ICsJCQkJaWYgKG5ieXRlcyA8IDApIHsNCj4gPiArCQkJCQlpZiAo ZXJybm8gPT0gRUlOVFIgfHwNCj4gPiArCQkJCQkgICAgZXJybm8gPT0gRVdPVUxEQkxPQ0sgfHwN Cj4gPiArCQkJCQkgICAgZXJybm8gPT0gRUFHQUlOKQ0KPiA+ICsJCQkJCQljb250aW51ZTsNCj4g PiArCQkJCQlEUlZfTE9HKElORk8sICJFcnJvciByZWFkaW5nICINCj4gPiArCQkJCQkJImtpY2tm ZDogJXMiLA0KPiA+ICsJCQkJCQlzdHJlcnJvcihlcnJubykpOw0KPiA+ICsJCQkJfQ0KPiA+ICsJ CQkJYnJlYWs7DQo+ID4gKwkJCX0gd2hpbGUgKDEpOw0KPiA+ICsNCj4gPiArCQkJcWlkID0gZXZl bnRzW2ldLmRhdGEudTMyID4+IDE7DQo+ID4gKw0KPiA+ICsJCQlpZiAoZXZlbnRzW2ldLmRhdGEu dTMyICYgMSkNCj4gPiArCQkJCXVwZGF0ZV91c2VkX3JpbmcoaW50ZXJuYWwsIHFpZCk7DQo+ID4g KwkJCWVsc2UNCj4gPiArCQkJCXVwZGF0ZV9hdmFpbF9yaW5nKGludGVybmFsLCBxaWQpOw0KPiA+ ICsJCX0NCj4gPiArCX0NCj4gPiArDQo+ID4gKwlyZXR1cm4gTlVMTDsNCj4gPiArfQ0KPiA+ICsN Cj4gPiArc3RhdGljIGludA0KPiA+ICtzZXR1cF92cmluZ19yZWxheShzdHJ1Y3QgaWZjdmZfaW50 ZXJuYWwgKmludGVybmFsKQ0KPiA+ICt7DQo+ID4gKwlpbnQgcmV0Ow0KPiA+ICsNCj4gPiArCXJl dCA9IHB0aHJlYWRfY3JlYXRlKCZpbnRlcm5hbC0+dGlkLCBOVUxMLCB2cmluZ19yZWxheSwNCj4g PiArCQkJKHZvaWQgKilpbnRlcm5hbCk7DQo+IA0KPiBTbyBpdCB3aWxsIGJlIHNjaGVkdWxlZCB3 aXRob3V0IGFueSBhZmZpbml0eT8NCj4gU2hvdWxkbid0IGl0IHVzZSBhIHBtZCB0aHJlYWQgaW5z dGVhZD8NCg0KVGhlIG5ldyB0aHJlYWQgd2lsbCBpbmhlcml0IHRoZSB0aHJlYWQgYWZmaW5pdHkg ZnJvbSBpdHMgcGFyZW50IHRocmVhZC4gQXMgeW91IGtub3csIHZkcGEgaXMgdHJ5aW5nIHRvDQog bWluaW1pemUgQ1BVIHVzYWdlIGZvciB2aXJ0aW8gSFcgYWNjZWxlcmF0aW9uLCBhbmQgd2UgYXNz aWduIGp1c3Qgb25lIGNvcmUgdG8gdmRwYSBkYWVtb24NCiAoZG9jL2d1aWRlcy9zYW1wbGVfYXBw X3VnL3ZkcGEucnN0KSwgc28gdGhlcmUncyBubyBkZWRpY2F0ZWQgcG1kIHdvcmtlciBjb3JlLg0K DQpUaGFua3MsDQpYaWFvDQo=