From mboxrd@z Thu Jan 1 00:00:00 1970 From: Oleksandr Andrushchenko Subject: Re: [PATCH v3] displif: add ABI for para-virtual display Date: Wed, 1 Mar 2017 18:40:14 +0200 Message-ID: <7b47fa84-e7af-4608-c337-2f85686f87b6@gmail.com> References: <1486711798-32322-1-git-send-email-andr2000@gmail.com> <1486711798-32322-2-git-send-email-andr2000@gmail.com> <20170210212747.GA1890@char.us.ORACLE.com> <20170214202741.GA16871@char.us.ORACLE.com> <20170215154545.GE20190@char.us.oracle.com> <0331d90e-bd07-704a-e198-595c20ec2b0b@gmail.com> <20170215213306.GA24021@char.us.ORACLE.com> <698e0e44-f3f6-a9f3-fe8d-439be2321506@gmail.com> <20170217163338.GB30631@char.us.ORACLE.com> <6ceed905-a8f7-5b5c-ec1d-a4b794c15234@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1cj7IZ-0002WM-A2 for xen-devel@lists.xenproject.org; Wed, 01 Mar 2017 16:40:19 +0000 Received: by mail-lf0-f65.google.com with SMTP id y193so2534684lfd.1 for ; Wed, 01 Mar 2017 08:40:17 -0800 (PST) In-Reply-To: <6ceed905-a8f7-5b5c-ec1d-a4b794c15234@gmail.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xen.org Sender: "Xen-devel" To: Konrad Rzeszutek Wilk Cc: olekstysh@gmail.com, sstabellini@kernel.org, Oleksandr Andrushchenko , vlad.babchuk@gmail.com, andrii.anisov@gmail.com, stefano@aporeto.com, al1img@gmail.com, Oleksandr Grytsov , xen-devel@lists.xenproject.org, joculator@gmail.com List-Id: xen-devel@lists.xenproject.org SGksIEtvbnJhZCEKCk9uIDAyLzE3LzIwMTcgMDc6MzMgUE0sIE9sZWtzYW5kciBBbmRydXNoY2hl bmtvIHdyb3RlOgo+IE9uIDAyLzE3LzIwMTcgMDY6MzMgUE0sIEtvbnJhZCBSemVzenV0ZWsgV2ls ayB3cm90ZToKPj4gT24gVGh1LCBGZWIgMTYsIDIwMTcgYXQgMTA6MzY6MDFBTSArMDIwMCwgT2xl a3NhbmRyIEFuZHJ1c2hjaGVua28gd3JvdGU6Cj4+PiBPbiAwMi8xNS8yMDE3IDExOjMzIFBNLCBL b25yYWQgUnplc3p1dGVrIFdpbGsgd3JvdGU6Cj4+Pj4gLnNuaXAuLgo+Pj4+Pj4+Pj4gSSB3aWxs IGRlZmluZSAyIHNlY3Rpb25zOgo+Pj4+Pj4+Pj4gICAgICAqLS0tLS0tLS0tLS0tLS0tLS0tIENv bm5lY3RvciBSZXF1ZXN0IFRyYW5zcG9ydCBQYXJhbWV0ZXJzCj4+Pj4+Pj4+PiAtLS0tLS0tLS0t LS0tLS0tLS0tCj4+Pj4+Pj4+PiAgICAgICoKPj4+Pj4+Pj4+ICAgICAgKiBjdHJsLWV2ZW50LWNo YW5uZWwKPj4+Pj4+Pj4+ICAgICAgKiBjdHJsLXJpbmctcmVmCj4+Pj4+Pj4+PiAgICAgICoKPj4+ Pj4+Pj4+ICAgICAgKi0tLS0tLS0tLS0tLS0tLS0tLS0gQ29ubmVjdG9yIEV2ZW50IFRyYW5zcG9y dCBQYXJhbWV0ZXJzCj4+Pj4+Pj4+PiAtLS0tLS0tLS0tLS0tLS0tLS0tLQo+Pj4+Pj4+Pj4gICAg ICAqCj4+Pj4+Pj4+PiAgICAgICogZXZlbnQtY2hhbm5lbAo+Pj4+Pj4+Pj4gICAgICAqIGV2ZW50 LXJpbmctcmVmCj4+Pj4+Pj4+Pgo+Pj4+Pj4+Pj4+IE9yIGlzIHRoZSBvdGhlciByaW5nIGJ1ZmZl ciB0aGUgb25lIHRoYXQgaXMgY3JlYXRlZCB2aWEgCj4+Pj4+Pj4+Pj4gJ2dyZWZfZGlyZWN0b3J5 JyA/Cj4+Pj4+Pj4+PiBubwo+Pj4+Pj4+Pj4gQXQgdGhlIGJvdHRvbToKPj4+Pj4+Pj4+ICAgICAg KiBJbiBvcmRlciB0byBkZWxpdmVyIGFzeW5jaHJvbm91cyBldmVudHMgZnJvbSBiYWNrIHRvIAo+ Pj4+Pj4+Pj4gZnJvbnQgYSBzaGFyZWQgcGFnZQo+Pj4+Pj4+Pj4gaXMKPj4+Pj4+Pj4+ICAgICAg KiBhbGxvY2F0ZWQgYnkgZnJvbnQgYW5kIGl0cyBncmVmIHByb3BhZ2F0ZWQgdG8gYmFjayB2aWEg Cj4+Pj4+Pj4+PiBYZW5TdG9yZSBlbnRyaWVzCj4+Pj4+Pj4+PiAgICAgICogKGV2ZW50LVhYWCku Cj4+Pj4+Pj4+IEFBbmQgeW91IG1heSB3YW50IHRvIHNheSB0aGlzIGlzIGd1YXJkZWQgYnkgUkVR X0FMTE9DIGZlYXR1cmUgCj4+Pj4+Pj4+IHJpZ2h0Pwo+Pj4+Pj4+IE5vdCBzdXJlIEkgdW5kZXJz dG9vZCB5b3UuIEV2ZW50IHBhdGggaXMgdG90YWxseSBpbmRlcGVuZGVudAo+Pj4+Pj4+IGZyb20g YW55IGZlYXR1cmUsIGUuZy4gUkVRX0FMTE9DLgo+Pj4+Pj4+IEl0IGp1c3QgcHJvdmlkZXMgbWVh bnMgdG8gc2VuZCBhc3luYyBldmVudHMKPj4+Pj4+PiBmcm9tIGJhY2sgdG8gZnJvbnQsICJwYWdl IGZsaXAgZG9uZSIgaW4gbXkgY2FzZS4KPj4+Pj4+IDxzY3JhdGNoZSBoaXMgaGVhZD4gV2h5IGRv IHlvdSBuZWVkIGEgc2VwZXJhdGUgcmluZyB0byBzZW5kCj4+Pj4+PiByZXNwb25zZXMgYmFjaz8g V2h5IG5vdCB1c2UgdGhlIHNhbWUgcmluZyBvbiB3aGljaCByZXF1ZXN0cwo+Pj4+Pj4gd2VyZSBz ZW50Cj4+Pj4+IE9rLCBpdCBzZWVtcyB3ZSBhcmUgbm90IG9uIHRoZSBzYW1lIHBhZ2UgZm9yIHJp bmdzL2NoYW5uZWxzIHVzYWdlLgo+Pj4+PiBMZXQgbWUgZGVzY3JpYmUgaG93IHRob3NlIGFyZSB1 c2VkOgo+Pj4+Pgo+Pj4+PiAxLiBDb21tYW5kL2NvbnRyb2wgZXZlbnQgY2hhbm5lbCBhbmQgaXRz IGNvcnJlc3BvbmRpbmcgcmluZyBhcmUgdXNlZAo+Pj4+PiB0byBwYXNzIHJlcXVlc3RzIGZyb20g ZnJvbnQgdG8gYmFjayAoWEVORElTUExfT1BfWFhYKSBhbmQgZ2V0IAo+Pj4+PiByZXNwb25zZXMK Pj4+Pj4gZnJvbSB0aGUgYmFjay4gVGhlc2UgYXJlIHN5bmNocm9ub3VzLCB1c2UgbWFjcm9zIGZy b20gcmluZy5oOgo+Pj4+PiBjdHJsLWV2ZW50LWNoYW5uZWwgKyBjdHJsLXJpbmctcmVmCj4+Pj4+ IEkgY2FsbCB0aGVtICJjdHJsLSIgYmVjYXVzZSB0aGlzIHdheSBmcm9udCBjb250cm9scyBiYWNr LCBvciBzZW5kcyAKPj4+Pj4gY29tbWFuZHMKPj4+Pj4gaWYgeW91IHdpbGwuIE1heWJlICJjbWQt IiB3b3VsZCBmaXQgYmV0dGVyIGhlcmU/Cj4+Pj4+Cj4+Pj4+IDIuIEV2ZW50IGNoYW5uZWwgLSBh c3luY2hyb25vdXMgcGF0aCBmb3IgdGhlIGJhY2tlbmQgdG8gc2lnbmFsIAo+Pj4+PiBhY3Rpdml0 eQo+Pj4+PiB0byB0aGUgZnJvbnRlbmQsIGN1cnJlbnRseSB1c2VkIGZvciAicGFnZSBmbGlwIGRv bmUiIGV2ZW50IHdoaWNoIAo+Pj4+PiBpcyBzZW50Cj4+Pj4+IGF0IHNvbWUgcG9pbnQgb2YgdGlt ZSBhZnRlciBiYWNrIGhhcyBhY3R1YWxseSBjb21wbGV0ZWQgdGhlIHBhZ2UgZmxpcAo+Pj4+PiBy ZXF1ZXN0ZWQKPj4+Pj4gKHNvLCBiZWZvcmUgdGhhdCB0aGUgY29ycmVzcG9uZGluZyByZXF1ZXN0 IHdhcyBzZW50IGFuZCByZXNwb25zZSAKPj4+Pj4gcmVjZWl2ZWQsCj4+Pj4+IGJ1dAo+Pj4+PiBv cGVyYXRpb24gZGlkbid0IGNvbXBsZXRlIHlldCwgaW5zdGVhZCBpdCB3YXMgc2NoZWR1bGVkKQo+ Pj4+PiBObyBtYWNyb3MgZXhpc3QgZm9yIHRoaXMgdXNlLWNhc2UgaW4gcmluZy5oIChrYmRpZitm YmlmIGltcGxlbWVudAo+Pj4+PiB0aGlzIG9uIHRoZWlyIG93biwgc28gZG8gSSkKPj4+Pj4gVGhl c2UgYXJlOiAgZXZlbnQtY2hhbm5lbCArIGV2ZW50LXJpbmctcmVmCj4+Pj4+IFByb2JhYmx5IGhl cmUgaXMgdGhlIHBvaW50IGZyb20gd2hlcmUgY29uZnVzaW9uIGNvbWVzLCBuYW1pbmcuCj4+Pj4+ IFdlIGNhbiBoYXZlIHNvbWV0aGluZyBsaWtlICJiZS10by1mZS1ldmVudC1jaGFubmVsIiBvciBh bnl0aGluZyBlbHNlCj4+Pj4+IG1vcmUgY3V0ZSBhbmQgZGVzY3JpcHRpdmUuCj4+Pj4+Cj4+Pj4+ IEhvcGUgdGhpcyBleHBsYWlucyB0aGUgbmVlZCBmb3IgMiBwYXRocwo+Pj4+IEFoYSEKPj4+Pgo+ Pj4+IFNvIHRoaXMgaXMgbGlrZSB0aGUgbmV0d29yayB3aGVyZSB0aGVyZSBpcyBhbiAncngnIGFu ZCAndHgnIQo+Pj4ga2luZCBvZgo+Pj4+IE5vdyBJIGdldCBpdC4KPj4+IHNvcnJ5LCBJIHdhcyBw cm9iYWJseSBub3QgY2xlYXIKPj4+PiBJbiB0aGF0IGNhc2Ugd2h5IG5vdCBqdXN0IHByZWZpeCBp dCB3aXRoICdpbicgYW5kICdvdXQnPyBTdWNoIGFzOgo+Pj4+Cj4+Pj4gJ291dC1yaW5nLXJlZicg YW5kICdvdXQtZXZlbnQtY2hhbm5lbCcgYW5kICdpbi1yaW5nLXJlZicgYWxvbmcKPj4+PiB3aXRo ICdpbi1ldmVudC1jaGFubmVsJy4KPj4+IGhtbW1tLCBpdCBtYXkgY29uZnVzZSwgYmVjYXVzZSB5 b3UgbXVzdCBrbm93ICJvdXQiCj4+PiBmcm9tIHdoaWNoIFBPViwgZS5nLiBmcm9udGVuZCdzIG9y IGJhY2tlbmQncy4KPj4+IFdoYXQgaXMgbW9yZSwgdGhlc2UgIm91dC0iIGFuZCAiaW4tIiBhcmUu Li4gbmFtZWxlc3M/Cj4+IFllcyA6LSkKPj4KPj4+IENhbiB3ZSBzdGlsbCBoYXZlIHNvbWV0aGlu ZyBsaWtlICJjdHJsLSIvImNtZC0iLyJyZXEtIgo+Pj4gZm9yIHRoZSByZXEvcmVzcCBwYXRoIGFu ZCBwcm9iYWJseSAiZXZ0LSIgZm9yCj4+PiBldmVudHMgZnJvbSBiYWNrIHRvIGZyb250Pwo+PiBJ IGxpa2UgdGhlICdyZXEnIGFuZCAnZXZ0LScgcGFydC4gVGhhdCBtYWtlcyBpdCBtb3JlCj4+IGNs ZWFyIEkgdGhpbmsuICBCdXQgc2VlIGJlbG93Lgo+Pgo+Pj4+IE9yIHBlcmhhcHMgYmV0dGVyIC0g Ym9ycm93IHRoZSBzYW1lIGlkZWEgdGhhdCBTdGVmYW5vIGNhbWUgdXAgZm9yCj4+Pj4gOXBmcyBh bmQgUFYgY2FsbHMgLSB3aGVyZSBoaXMgcmluZyBkb2VzIGJvdGguCj4+Pj4KPj4+PiBUaGVuIHlv dSBqdXN0IG5lZWQgJ3JpbmctcmVmJywgJ2V2ZW50LWNoYW5uZWwnLCAnbWF4LXBhZ2UtcmluZy1v cmRlcicKPj4+PiAod2hpY2ggbXVzdCBiZSAxIG9yIGxhcmdlcikuCj4+Pj4KPj4+PiBBbmQgeW91 IHNwbGl0IHRoZSByaW5nLXJlZiBpbiB0d28gLSBvbmUgZm9yICdpbicgZXZlbnRzIGFuZCB0aGUg b3RoZXIKPj4+PiBwYXJ0IGZvciAnb3V0JyBldmVudHM/Cj4+PiB5ZXMsIEkgc2F3IGN1cnJlbnQg aW1wbGVtZW50YXRpb25zIChrYmRpZiwgZmJpZikgYW5kCj4+PiB3aGF0IFN0ZWZhbm8gZGlkLCBi dXQgd291bGQgcmF0aGVyIHN0aWNrIHRvIHdoYXQgaXMgY3VycmVudGx5Cj4+PiBkZWZpbmVkIChJ IGJlbGlldmUgaXQgaXMgb3B0aW1hbCBhcyBpcykKPj4gUmlnaHQsIGJ1dCB3aXRoIHR3byBwcm90 b2NvbHMgd2l0aCB0aGF0IHdheSAuLi4gcGVyaGFwcyB5b3UKPj4gY291bGQgcmUtdXNlIHNvbWUg b2Ygd2hhdCBTdGVmYW5vIHdyb3RlPyBTZWUgYmVsb3cuCj4+Cj4+PiBBbmQgaG9wZSwgdGhhdCBt YXliZSBzb21lb25lIHdpbGwgcHV0IG5ldyBmdW5jdGlvbmFsaXR5IGludG8gcmluZy5oCj4+PiB0 byBzZXJ2ZSBhc3luYyBldmVudHMgb25lIGRheSA6KQo+PiBUaGF0IHdvdWxkIGJlIGZhbnRhc3Rp Yy4gQW5kIGtub3dpbmcgU3RlZmFubyBJIHdvdWxkIHRoaW5rCj4+IGhlIGhhcyBhbHJlYWRoeSBk b25lIHNvPyAoT3IgYXQgbGVhc3QgaGF2ZSBhbiBwcm90b3R5cGUgcGF0Y2gKPj4gZm9yIHRoaXM/ KQo+Pgo+PiBSZS11c2luZyBoaXMgbWVjaGFuaXNtIGluIHlvdXIgZHJpdmVyIG1lYW5zIGVhc2ll ciBtYWludGFpbmNlCj4+IGFzIHRoaW5ncyBhcmUga2luZCBvZiB1c2luZyB0aGUgc2FtZSB0aGlu Zy4KPj4KPj4gU3RlZmFubywgeW91IHdvdWxkbid0IGhhdmUgYW4gcGF0Y2ggZm9yIHRoZSByaW5n Lmggc29tZXdoZXJlCj4+IHdvdWxkIHlvdT8KPiB5ZXMsIGlmIFN0ZWZhbm8gYWxyZWFkeSBoYXMg aXQsIHRoZW4gSSBjYW4gcmUtdXNlIGl0Cj4gQWN0dWFsbHksIGdvaW5nIGtiZGlmL2ZiaWYgd2F5 IHdhcyBqdXN0IGJlY2F1c2Ugbm90aGluZyBpcyBpbiByaW5nLmggCj4gZm9yIHRoYXQKPj4gLi4g c25pcC4uCj4+PiBJIGFtIGF0dGFjaGluZyB0aGUgZGlmZiBiZXR3ZWVuIHYzIGFuZCB2NCBmb3Ig eW91ciBjb252ZW5pZW5jZQo+IEkgYW0gc3BlY2lmaWNhbGx5IGludGVyZXN0ZWQgaW4gdGhlIHJl Y292ZXJ5IHNlY3Rpb24gLSBkb2VzIGl0IGxvb2sgb2s/Cj4gU28sIEkgY2FuIHB1dCB0aGUgc2Ft ZSBpbnRvIHNuZGlmCkNvdWxkIHlvdSBwbGVhc2UgcmV2aWV3IHRoZSByZWNvdmVyeSBzZWN0aW9u IC0gdGhpcyBpcyBjb21tb24gdG8KYm90aCBkaXNwbGlmIGFuZCBzbmRpZiAoc28gSSBjYW4gc2Vu ZCBzbmRpZiB2MTggd2l0aCB0aGlzIGluKQo+PiBUaGFua3MuCj4gVGhhbmsgeW91LAo+IE9sZWtz YW5kcgpUaGFuayB5b3UKCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fXwpYZW4tZGV2ZWwgbWFpbGluZyBsaXN0Clhlbi1kZXZlbEBsaXN0cy54ZW4ub3JnCmh0 dHBzOi8vbGlzdHMueGVuLm9yZy94ZW4tZGV2ZWwK