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Tue, 29 Jun 2021 21:31:41 -0700 (PDT) X-Google-Smtp-Source: ABdhPJzoOhwhJe1J22zBdc237u1/yZG3kCLOOHkGsz8oBg9vKWmQnNMvRLTSHx51yXXM81gEnXprIQ== X-Received: by 2002:a17:90a:e54f:: with SMTP id ei15mr2441702pjb.28.1625027501284; Tue, 29 Jun 2021 21:31:41 -0700 (PDT) Received: from wangxiaodeMacBook-Air.local ([209.132.188.80]) by smtp.gmail.com with ESMTPSA id j16sm21369413pgh.69.2021.06.29.21.31.39 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 29 Jun 2021 21:31:40 -0700 (PDT) Subject: Re: [PATCH linux-next v3 2/6] vdpa: Introduce query of device config layout To: Parav Pandit , "virtualization@lists.linux-foundation.org" References: <20210616191155.102303-1-parav@nvidia.com> <0434617e-f960-eb1a-a682-49b6a754413f@redhat.com> <4e0708fb-34e3-471d-ca98-44c75f693b32@redhat.com> <7a0a8bdf-4cd2-2fc2-73a5-53fb2ab432b6@redhat.com> <5350f5c0-c707-c3ec-8ed8-16c884467ffa@redhat.com> From: Jason Wang Message-ID: <8c78b8ed-e16c-31dd-7c1c-abd2bef6bb12@redhat.com> Date: Wed, 30 Jun 2021 12:31:33 +0800 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:78.0) Gecko/20100101 Thunderbird/78.11.0 MIME-Version: 1.0 In-Reply-To: Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=jasowang@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Language: en-US Cc: Eli Cohen , "mst@redhat.com" 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" CuWcqCAyMDIxLzYvMjkg5LiL5Y2INTo0OSwgUGFyYXYgUGFuZGl0IOWGmemBkzoKPiBIaSBKYXNv biwKPgo+PiBGcm9tOiBKYXNvbiBXYW5nIDxqYXNvd2FuZ0ByZWRoYXQuY29tPgo+PiBTZW50OiBU dWVzZGF5LCBKdW5lIDI5LCAyMDIxIDk6MjIgQU0KPgo+Pj4+PiBQYXNzIHRoZSB3aG9sZSB2aXJ0 aW9fbmV0X2NvbmZpZyBhbmQgaW5mb3JtIHZpYSBzaWRlIGNoYW5uZWw/Cj4+Pj4gVGhhdCBjb3Vs ZCBiZSBhIG1ldGhvZC4KPj4+IEkgcHJlZmVyIHRoZSBtZXRob2QgdG8gcGFzcyBpbmRpdmlkdWFs IGZpZWxkcyB3aGljaCBoYXMgdGhlIGNsZWFuIGNvZGUKPj4gYXBwcm9hY2ggYW5kIGZ1bGwgZmxl eGliaWxpdHkuCj4+PiBDbGVhbiBjb2RlID0KPj4+IDEuIG5vIHR5cGVjYXN0aW5nIGJhc2VkIG9u IGxlbmd0aAo+Pj4gMi4gc2VsZi1kZXNjcmliaW5nIGZpZWxkcywgZG8gbm90IGRlcGVuZHMgb24g ZmVhdHVyZSBiaXRzIHBhcnNpbmcgMy4KPj4+IHByb29mIGFnYWluc3Qgc3RydWN0dXJlIHNpemUg aW5jcmVhc2VzIGluIGZ1bGx5IGJhY2t3YXJkL2ZvcndhcmQKPj4+IGNvbXBhdGliaWxpdHkgd2l0 aG91dCBjb2RlIGNoYW5nZXMKPj4KPj4gU28gSSB0aGluayBJIGFncmVlLiBCdXQgSSB0aGluayB3 ZSdkIGJldHRlciB0byB0aGF0IGluIHRoZSB2aXJpdG8gdUFQSQo+PiAoaW5jbHVkZS91YXBpL2xp bnV4L3Zpcml0b194eHguaCkKPj4KPiBbLi5dCj4KPj4gSSB0aGluayBtYXliZSB3ZSBjYW4gc3Rh cnQgZnJvbSBpbnZlbnRpbmcgbmV3IHZpcnRpbyB1QVBJIGFuZCBzZWUgaWYgaXQKPj4gaGFzIHNv bWUgY29udHJhZGljdCB3aXRoIG5ldGxpbmsuIE9yIG1heWJlIHlvdSBjYW4gZ2l2ZSBtZSBzb21l IGV4YW1wbGU/Cj4+Cj4+Cj4+PiBJIGFtIHVuYWJsZSB0byBjb252aW5jZSBteSBzZWxmIHRvIGJ1 aWxkIHNpZGUgYml0bWFzayBmb3IgY29uZmlnIGZpZWxkcywgdHlwZQo+PiBjYXN0aW5nIGNvZGUg aW4gc3Bpcml0IG9mIHVzaW5nIGV4aXN0aW5nIHN0cnVjdHVyZSBVQVBJLgo+Pj4gVGhpcyBjcmVh dGVzIG1lc3N5IGNvZGUgZm9yIGZ1dHVyZS4KPj4KPj4gSnVzdCBhIHF1aWNrIHRob3VnaHQsIGhv dyBhYm91dCBzaW1wbHkgc29tZXRoaW5nIGxpa2U6Cj4+Cj4+IHN0cnVjdCB2aXJ0aW9fbmV0X2Nv bmZpZ19idWlsZCB7Cj4+ICAgwqDCoMKgwqDCoMKgwqAgX191OCBtYWNbRVRIX0FMRU5dOwo+PiAg IMKgwqDCoMKgwqDCoMKgIF9fdmlydGlvMTYgbWF4X3ZpcnRxdWV1ZV9wYWlyczsKPj4gICDCoMKg wqAgwqDCoMKgIF9fdmlydGlvMTYgcmVzZXJ2ZWRbM107Cj4+IH07Cj4gSW4gdGhpcyBzdHJ1Y3R1 cmUgd2UgbmVlZCB0byBhZGQgYmkgZmllbGQgZmxhZ3MgdG8gaW5kaWNhdGUgd2hpY2ggZW50cnkg aXMgdmFsaWQuCj4gQW5kIHdoZW4gc3RydWN0dXJlIGxheW91dCBjaGFuZ2VzLCB3ZSBlbmQgdXAg d2l0aCBzaW1pbGFyIHR5cGVjYXN0IGlzc3VlcywgbGVuZ3RoIGNoZWNrcyBhbmQgbW9yZS4KPiBN b3N0IG9mIGl0IGlzIGluYnVpbGQgdG8gdGhlIG5ldGxpbmsuCj4KPiBTbyBJIHByb3Bvc2UsCj4g KGEpIHdlIHBhc3MgY29uZmlnIHBhcmFtZXRlcnMgZHVyaW5nIHZkcGEgZGV2aWNlIGNyZWF0ZQo+ ICQgdmRwYSBkZXYgYWRkIG5hbWUgZm9vIG1nbXRkZXYgcGNpLzAwMDA6MDM6MDAuNCBtYWMgMDA6 MTE6MjI6MzM6NDQ6NTUgbWF4cSAxMAo+Cj4gVGhpcyByZXN1bHRzIGluIGFkZGluZyB0d28gb25l bmV3IG5ldGxpbmsgb3B0aW9uYWwgYXR0cmlidXRlcyBhcyBWRFBBX0RFVl9ORVRfTUFDLgo+IFZE UEFfQVRUUl9ERVZfTUFYX1ZRX1NJWkUgaXMgYWxyZWFkeSBkZmluZWQgZm9yIG1heCBxdWV1ZXMu Cj4gTkxBX1BPTElDWV9FVEhfQUREUiB0YWtlcyBjYXJlIHRvIHZhbGlkYXRlIGxlbmd0aCBzaXpl IHdoZW4gcGFzc2VkLgo+Cj4+IEl0IGxvb2tzIHRvIHdlIGRvbid0IG5lZWQgdGhlIHJlc3Qgb2Yg ZmllbGRzIGluIHRoZSB2aXJ0aW9fbmV0X2NvbmZpZyB0bwo+PiBidWlsZCB0aGUgY29uZmlnIHNp bmNlIHRoZXkgYXJlIGFsbCBoYXJkd2FyZSBhdHRyaWJ1dGVzLgo+IFRvZGF5IGl0IGlzIG9ubHkg bWFjIGFuZCBtYXggcXVldWVzLiBMYXRlciBvbiB3ZSBtYXkgbmVlZCB0byBkZWZpbmUgcnNzIGhh c2hpbmcgYXMgaHcvZGV2aWNlIGFkdmFuY2VzLgo+IEFuZCBzdHJ1Y3R1cmUgc2l6ZSB3aWxsIGNo YW5nZS4KPiBIZW5jZSwgSSBwcm9wb3NlIHRvIGhhdmUgZWFjaCBhcyBpbmRpdmlkdWFsIGF0dHJp YnV0ZSB0aGF0IGRvZXNu4oCZdCBuZWVkIHRvIGNhc3QgaW4gc3RydWN0LgoKCk9rLCB0aGF0IHNo b3VsZCB3b3JrLiBJZiBNaWNoYWVsIGFyZSBmaW5lIHdpdGggdGhpcywgSSdtIGFsc28gZmluZS4K Ckp1c3QgdG8gY2xhcmlmeSwgaWYgSSB1bmRlcnN0YW5kIHRoaXMgY29ycmVjdGx5LCB3aXRoIHRo ZSBpbmRpdmlkdWFsIAphdHRyaWJ1dGUsIHRoZXJlJ3Mgbm8gbmVlZCBmb3IgdGhlIGJpdCBsaWtl IHh4eF9pc192YWxpZD8KClRoYW5rcwoKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fClZpcnR1YWxpemF0aW9uIG1haWxpbmcgbGlzdApWaXJ0dWFsaXphdGlv bkBsaXN0cy5saW51eC1mb3VuZGF0aW9uLm9yZwpodHRwczovL2xpc3RzLmxpbnV4Zm91bmRhdGlv bi5vcmcvbWFpbG1hbi9saXN0aW5mby92aXJ0dWFsaXphdGlvbg==