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Thu, 15 Apr 2021 05:52:33 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp3.osuosl.org ([127.0.0.1]) by localhost (smtp3.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id vS2bPm5sBpat for ; Thu, 15 Apr 2021 05:52:32 +0000 (UTC) X-Greylist: domain auto-whitelisted by SQLgrey-1.8.0 Received: from mga18.intel.com (mga18.intel.com [134.134.136.126]) by smtp3.osuosl.org (Postfix) with ESMTPS id BDE1B60680 for ; Thu, 15 Apr 2021 05:52:32 +0000 (UTC) IronPort-SDR: FOrbdcTQtV5XZIPI2tEO7FvuW5ktsVpZU8n/iHj0rRE/IKI6YhMghkbW11yW+PIY2KHtSSfgiZ FS6K60peQzsQ== X-IronPort-AV: E=McAfee;i="6200,9189,9954"; a="182292637" X-IronPort-AV: E=Sophos;i="5.82,223,1613462400"; d="scan'208";a="182292637" Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by orsmga106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Apr 2021 22:52:31 -0700 IronPort-SDR: le0ePrD8dHFzeHU/i6bw3s4nn51etvnkSpndLPjm4rQvetke09KhH4n/uymUhDXJzUEwfISQ/r EzsDssBx+nBw== X-IronPort-AV: E=Sophos;i="5.82,223,1613462400"; d="scan'208";a="418621890" Received: from lingshan-mobl5.ccr.corp.intel.com (HELO [10.254.209.173]) ([10.254.209.173]) by fmsmga008-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Apr 2021 22:52:28 -0700 Subject: Re: [PATCH 1/3] vDPA/ifcvf: deduce VIRTIO device ID when probe To: Jason Wang , Zhu Lingshan , mst@redhat.com, lulu@redhat.com, leonro@nvidia.com References: <20210414091832.5132-1-lingshan.zhu@intel.com> <20210414091832.5132-2-lingshan.zhu@intel.com> <85483ff1-cf98-ad05-0c53-74caa2464459@redhat.com> From: Zhu Lingshan Message-ID: Date: Thu, 15 Apr 2021 13:52:25 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.9.0 MIME-Version: 1.0 In-Reply-To: <85483ff1-cf98-ad05-0c53-74caa2464459@redhat.com> Content-Language: en-US Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, kvm@vger.kernel.org, virtualization@lists.linux-foundation.org X-BeenThere: virtualization@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Linux virtualization List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Errors-To: virtualization-bounces@lists.linux-foundation.org Sender: "Virtualization" CgpPbiA0LzE1LzIwMjEgMTE6MzAgQU0sIEphc29uIFdhbmcgd3JvdGU6Cj4KPiDlnKggMjAyMS80 LzE0IOS4i+WNiDU6MTgsIFpodSBMaW5nc2hhbiDlhpnpgZM6Cj4+IFRoaXMgY29tbWl0IGRlZHVj ZXMgVklSVElPIGRldmljZSBJRCBhcyBkZXZpY2UgdHlwZSB3aGVuIHByb2JlLAo+PiB0aGVuIGlm Y3ZmX3ZkcGFfZ2V0X2RldmljZV9pZCgpIGNhbiBzaW1wbHkgcmV0dXJuIHRoZSBJRC4KPj4gaWZj dmZfdmRwYV9nZXRfZmVhdHVyZXMoKSBhbmQgaWZjdmZfdmRwYV9nZXRfY29uZmlnX3NpemUoKQo+ PiBjYW4gd29yayBwcm9wZXJseSBiYXNlZCBvbiB0aGUgZGV2aWNlIElELgo+Pgo+PiBTaWduZWQt b2ZmLWJ5OiBaaHUgTGluZ3NoYW4gPGxpbmdzaGFuLnpodUBpbnRlbC5jb20+Cj4+IC0tLQo+PiDC oCBkcml2ZXJzL3ZkcGEvaWZjdmYvaWZjdmZfYmFzZS5oIHzCoCAxICsKPj4gwqAgZHJpdmVycy92 ZHBhL2lmY3ZmL2lmY3ZmX21haW4uYyB8IDIyICsrKysrKysrKystLS0tLS0tLS0tLS0KPj4gwqAg MiBmaWxlcyBjaGFuZ2VkLCAxMSBpbnNlcnRpb25zKCspLCAxMiBkZWxldGlvbnMoLSkKPj4KPj4g ZGlmZiAtLWdpdCBhL2RyaXZlcnMvdmRwYS9pZmN2Zi9pZmN2Zl9iYXNlLmggCj4+IGIvZHJpdmVy cy92ZHBhL2lmY3ZmL2lmY3ZmX2Jhc2UuaAo+PiBpbmRleCBiMmVlYjE2YjljMmMuLjFjMDRjZDI1 NmZhNyAxMDA2NDQKPj4gLS0tIGEvZHJpdmVycy92ZHBhL2lmY3ZmL2lmY3ZmX2Jhc2UuaAo+PiAr KysgYi9kcml2ZXJzL3ZkcGEvaWZjdmYvaWZjdmZfYmFzZS5oCj4+IEBAIC04NCw2ICs4NCw3IEBA IHN0cnVjdCBpZmN2Zl9odyB7Cj4+IMKgwqDCoMKgwqAgdTMyIG5vdGlmeV9vZmZfbXVsdGlwbGll cjsKPj4gwqDCoMKgwqDCoCB1NjQgcmVxX2ZlYXR1cmVzOwo+PiDCoMKgwqDCoMKgIHU2NCBod19m ZWF0dXJlczsKPj4gK8KgwqDCoCB1MzIgZGV2X3R5cGU7Cj4+IMKgwqDCoMKgwqAgc3RydWN0IHZp cnRpb19wY2lfY29tbW9uX2NmZyBfX2lvbWVtICpjb21tb25fY2ZnOwo+PiDCoMKgwqDCoMKgIHZv aWQgX19pb21lbSAqbmV0X2NmZzsKPj4gwqDCoMKgwqDCoCBzdHJ1Y3QgdnJpbmdfaW5mbyB2cmlu Z1tJRkNWRl9NQVhfUVVFVUVfUEFJUlMgKiAyXTsKPj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvdmRw YS9pZmN2Zi9pZmN2Zl9tYWluLmMgCj4+IGIvZHJpdmVycy92ZHBhL2lmY3ZmL2lmY3ZmX21haW4u Ywo+PiBpbmRleCA0NGQ3NTg2MDE5ZGEuLjk5YjBhNmI0YzIyNyAxMDA2NDQKPj4gLS0tIGEvZHJp dmVycy92ZHBhL2lmY3ZmL2lmY3ZmX21haW4uYwo+PiArKysgYi9kcml2ZXJzL3ZkcGEvaWZjdmYv aWZjdmZfbWFpbi5jCj4+IEBAIC0zMjMsMTkgKzMyMyw5IEBAIHN0YXRpYyB1MzIgaWZjdmZfdmRw YV9nZXRfZ2VuZXJhdGlvbihzdHJ1Y3QgCj4+IHZkcGFfZGV2aWNlICp2ZHBhX2RldikKPj4gwqAg wqAgc3RhdGljIHUzMiBpZmN2Zl92ZHBhX2dldF9kZXZpY2VfaWQoc3RydWN0IHZkcGFfZGV2aWNl ICp2ZHBhX2RldikKPj4gwqAgewo+PiAtwqDCoMKgIHN0cnVjdCBpZmN2Zl9hZGFwdGVyICphZGFw dGVyID0gdmRwYV90b19hZGFwdGVyKHZkcGFfZGV2KTsKPj4gLcKgwqDCoCBzdHJ1Y3QgcGNpX2Rl diAqcGRldiA9IGFkYXB0ZXItPnBkZXY7Cj4+IC3CoMKgwqAgdTMyIHJldCA9IC1FTk9ERVY7Cj4+ IC0KPj4gLcKgwqDCoCBpZiAocGRldi0+ZGV2aWNlIDwgMHgxMDAwIHx8IHBkZXYtPmRldmljZSA+ IDB4MTA3ZikKPj4gLcKgwqDCoMKgwqDCoMKgIHJldHVybiByZXQ7Cj4+IC0KPj4gLcKgwqDCoCBp ZiAocGRldi0+ZGV2aWNlIDwgMHgxMDQwKQo+PiAtwqDCoMKgwqDCoMKgwqAgcmV0ID3CoCBwZGV2 LT5zdWJzeXN0ZW1fZGV2aWNlOwo+PiAtwqDCoMKgIGVsc2UKPj4gLcKgwqDCoMKgwqDCoMKgIHJl dCA9wqAgcGRldi0+ZGV2aWNlIC0gMHgxMDQwOwo+PiArwqDCoMKgIHN0cnVjdCBpZmN2Zl9odyAq dmYgPSB2ZHBhX3RvX3ZmKHZkcGFfZGV2KTsKPj4gwqAgLcKgwqDCoCByZXR1cm4gcmV0Owo+PiAr wqDCoMKgIHJldHVybiB2Zi0+ZGV2X3R5cGU7Cj4+IMKgIH0KPj4gwqAgwqAgc3RhdGljIHUzMiBp ZmN2Zl92ZHBhX2dldF92ZW5kb3JfaWQoc3RydWN0IHZkcGFfZGV2aWNlICp2ZHBhX2RldikKPj4g QEAgLTQ2Niw2ICs0NTYsMTQgQEAgc3RhdGljIGludCBpZmN2Zl9wcm9iZShzdHJ1Y3QgcGNpX2Rl diAqcGRldiwgCj4+IGNvbnN0IHN0cnVjdCBwY2lfZGV2aWNlX2lkICppZCkKPj4gwqDCoMKgwqDC oCBwY2lfc2V0X2RydmRhdGEocGRldiwgYWRhcHRlcik7Cj4+IMKgIMKgwqDCoMKgwqAgdmYgPSAm YWRhcHRlci0+dmY7Cj4+ICvCoMKgwqAgaWYgKHBkZXYtPmRldmljZSA8IDB4MTAwMCB8fCBwZGV2 LT5kZXZpY2UgPiAweDEwN2YpCj4+ICvCoMKgwqDCoMKgwqDCoCByZXR1cm4gLUVPUE5PVFNVUFA7 Cj4+ICsKPj4gK8KgwqDCoCBpZiAocGRldi0+ZGV2aWNlIDwgMHgxMDQwKQo+PiArwqDCoMKgwqDC oMKgwqAgdmYtPmRldl90eXBlID3CoCBwZGV2LT5zdWJzeXN0ZW1fZGV2aWNlOwo+PiArwqDCoMKg IGVsc2UKPj4gK8KgwqDCoMKgwqDCoMKgIHZmLT5kZXZfdHlwZSA9wqAgcGRldi0+ZGV2aWNlIC0g MHgxMDQwOwo+Cj4KPiBTbyBhIHF1ZXN0aW9uIGhlcmUsIGlzIHRoZSBkZXZpY2UgYSB0cmFuc3Rp b25hbCBkZXZpY2Ugb3IgbW9kZXJuIG9uZT8KPgo+IElmIGl0J3MgYSB0cmFuc2l0b25hbCBvbmUs IGNhbiBpdCBzd3RpY2ggZW5kaWFuZXNzIGF1dG9tYXRpY2FsbHkgb3Igbm90Pwo+Cj4gVGhhbmtz CkhpIEphc29uLAoKVGhpcyBkcml2ZXIgc2hvdWxkIGRyaXZlIGJvdGggbW9kZXJuIGFuZCB0cmFu c2l0aW9uYWwgZGV2aWNlcyBhcyB3ZSAKZGlzY3Vzc2VkIGJlZm9yZS4KSWYgaXQncyBhIHRyYW5z aXRpb25hbCBvbmUsIGl0IHdpbGwgYWN0IGFzIGEgbW9kZXJuIGRldmljZSBieSBkZWZhdWx0LCAK bGVnYWN5IG1vZGUgaXMgYSBmYWlsLW92ZXIgcGF0aC4KRm9yIHZEUEEsIGl0IGhhcyB0byBzdXBw b3J0IFZJUlRJT18xIGFuZCBBQ0NFU1NfUExBVEZPUk0sIHNvIGl0IG11c3QgaW4gCm1vZGVybiBt b2RlLgpJIHRoaW5rIHdlIGRvbid0IG5lZWQgdG8gd29ycnkgYWJvdXQgZW5kaWFuZXNzIGZvciBs ZWdhY3kgbW9kZS4KClRoYW5rcwpaaHUgTGluZ3NoYW4KPgo+Cj4+ICsKPj4gwqDCoMKgwqDCoCB2 Zi0+YmFzZSA9IHBjaW1faW9tYXBfdGFibGUocGRldik7Cj4+IMKgIMKgwqDCoMKgwqAgYWRhcHRl ci0+cGRldiA9IHBkZXY7Cj4KCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fClZpcnR1YWxpemF0aW9uIG1haWxpbmcgbGlzdApWaXJ0dWFsaXphdGlvbkBsaXN0 cy5saW51eC1mb3VuZGF0aW9uLm9yZwpodHRwczovL2xpc3RzLmxpbnV4Zm91bmRhdGlvbi5vcmcv bWFpbG1hbi9saXN0aW5mby92aXJ0dWFsaXphdGlvbg==