From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 67D5EC5DF65 for ; Wed, 6 Nov 2019 19:03:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3DA0A2187F for ; Wed, 6 Nov 2019 19:03:43 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="iMIDHSNT" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731917AbfKFTDm (ORCPT ); Wed, 6 Nov 2019 14:03:42 -0500 Received: from us-smtp-delivery-1.mimecast.com ([205.139.110.120]:38521 "EHLO us-smtp-1.mimecast.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1728008AbfKFTDl (ORCPT ); Wed, 6 Nov 2019 14:03:41 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1573067020; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=mg3JgW1BuhTCB4NFaQyIC8Smk9WRddoCBLHgtm+TXAs=; b=iMIDHSNT7gr26XTPRz3osxiVjbF/Y2oP7YkWKF+ToGNeqe8Zyhs7SWuKmWk4Z/P2CI6kBk 2R19so2URLyk41Zz4GLB5JEK80fJ96ICroU0OtVoI7bZtB1MKRtnb9xI2+4HfDVwLZVVN8 nqdRTYy/fVyMuhfskINu6i8H4f033ro= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-364-MkavMd-mPku2TkqD8XFDEg-1; Wed, 06 Nov 2019 14:03:34 -0500 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id E3930477; Wed, 6 Nov 2019 19:03:30 +0000 (UTC) Received: from x1.home (ovpn-116-138.phx2.redhat.com [10.3.116.138]) by smtp.corp.redhat.com (Postfix) with ESMTP id EA38F5C6DC; Wed, 6 Nov 2019 19:03:12 +0000 (UTC) Date: Wed, 6 Nov 2019 12:03:12 -0700 From: Alex Williamson To: Jason Wang Cc: kvm@vger.kernel.org, linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, intel-gfx@lists.freedesktop.org, intel-gvt-dev@lists.freedesktop.org, kwankhede@nvidia.com, mst@redhat.com, tiwei.bie@intel.com, virtualization@lists.linux-foundation.org, netdev@vger.kernel.org, cohuck@redhat.com, maxime.coquelin@redhat.com, cunming.liang@intel.com, zhihong.wang@intel.com, rob.miller@broadcom.com, xiao.w.wang@intel.com, haotian.wang@sifive.com, zhenyuw@linux.intel.com, zhi.a.wang@intel.com, jani.nikula@linux.intel.com, joonas.lahtinen@linux.intel.com, rodrigo.vivi@intel.com, airlied@linux.ie, daniel@ffwll.ch, farman@linux.ibm.com, pasic@linux.ibm.com, sebott@linux.ibm.com, oberpar@linux.ibm.com, heiko.carstens@de.ibm.com, gor@linux.ibm.com, borntraeger@de.ibm.com, akrowiak@linux.ibm.com, freude@linux.ibm.com, lingshan.zhu@intel.com, idos@mellanox.com, eperezma@redhat.com, lulu@redhat.com, parav@mellanox.com, christophe.de.dinechin@gmail.com, kevin.tian@intel.com, stefanha@redhat.com Subject: Re: [PATCH V8 0/6] mdev based hardware virtio offloading support Message-ID: <20191106120312.77a6a318@x1.home> In-Reply-To: <393f2dc9-8c67-d3c9-6553-640b80c15aaf@redhat.com> References: <20191105093240.5135-1-jasowang@redhat.com> <20191105105834.469675f0@x1.home> <393f2dc9-8c67-d3c9-6553-640b80c15aaf@redhat.com> Organization: Red Hat MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 X-MC-Unique: MkavMd-mPku2TkqD8XFDEg-1 X-Mimecast-Spam-Score: 0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 6 Nov 2019 11:56:46 +0800 Jason Wang wrote: > On 2019/11/6 =E4=B8=8A=E5=8D=881:58, Alex Williamson wrote: > > On Tue, 5 Nov 2019 17:32:34 +0800 > > Jason Wang wrote: > > =20 > >> Hi all: > >> > >> There are hardwares that can do virtio datapath offloading while > >> having its own control path. This path tries to implement a mdev based > >> unified API to support using kernel virtio driver to drive those > >> devices. This is done by introducing a new mdev transport for virtio > >> (virtio_mdev) and register itself as a new kind of mdev driver. Then > >> it provides a unified way for kernel virtio driver to talk with mdev > >> device implementation. > >> > >> Though the series only contains kernel driver support, the goal is to > >> make the transport generic enough to support userspace drivers. This > >> means vhost-mdev[1] could be built on top as well by resuing the > >> transport. > >> > >> A sample driver is also implemented which simulate a virito-net > >> loopback ethernet device on top of vringh + workqueue. This could be > >> used as a reference implementation for real hardware driver. > >> > >> Also a real ICF VF driver was also posted here[2] which is a good > >> reference for vendors who is interested in their own virtio datapath > >> offloading product. > >> > >> Consider mdev framework only support VFIO device and driver right now, > >> this series also extend it to support other types. This is done > >> through introducing class id to the device and pairing it with > >> id_talbe claimed by the driver. On top, this seris also decouple > >> device specific parents ops out of the common ones. > >> > >> Pktgen test was done with virito-net + mvnet loop back device. > >> > >> Please review. > >> > >> [1] https://lkml.org/lkml/2019/10/31/440 > >> [2] https://lkml.org/lkml/2019/10/15/1226 > >> > >> Changes from V7: > >> - drop {set|get}_mdev_features for virtio > >> - typo and comment style fixes =20 > > > > Seems we're nearly there, all the remaining comments are relatively > > superficial, though I would appreciate a v9 addressing them as well as > > the checkpatch warnings: > > > > https://patchwork.freedesktop.org/series/68977/ =20 >=20 >=20 > Will do. >=20 > Btw, do you plan to merge vhost-mdev patch on top? Or you prefer it to=20 > go through Michael's vhost tree? I can include it if you wish. The mdev changes are isolated enough in that patch that I wouldn't presume it, but clearly it would require less merge coordination to drop it in my tree. Let me know. Thanks, Alex From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alex Williamson Subject: Re: [PATCH V8 0/6] mdev based hardware virtio offloading support Date: Wed, 6 Nov 2019 12:03:12 -0700 Message-ID: <20191106120312.77a6a318@x1.home> References: <20191105093240.5135-1-jasowang@redhat.com> <20191105105834.469675f0@x1.home> <393f2dc9-8c67-d3c9-6553-640b80c15aaf@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Return-path: In-Reply-To: <393f2dc9-8c67-d3c9-6553-640b80c15aaf@redhat.com> Sender: linux-kernel-owner@vger.kernel.org To: Jason Wang Cc: kvm@vger.kernel.org, linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, intel-gfx@lists.freedesktop.org, intel-gvt-dev@lists.freedesktop.org, kwankhede@nvidia.com, mst@redhat.com, tiwei.bie@intel.com, virtualization@lists.linux-foundation.org, netdev@vger.kernel.org, cohuck@redhat.com, maxime.coquelin@redhat.com, cunming.liang@intel.com, zhihong.wang@intel.com, rob.miller@broadcom.com, xiao.w.wang@intel.com, haotian.wang@sifive.com, zhenyuw@linux.intel.com, zhi.a.wang@intel.com, jani.nikula@linux.intel.com, joonas.lahtinen@linux.intel.com, rodrigo.vivi@intel.com, airlied@linux.ie, daniel@ffwll.ch, farman@linux.ibm.com, pasic@linux.ibm.com, sebott@linux.ibm.com, oberpar@linux.ibm.com, heiko.carstens@de.ibm.com, gor@linux.ibm.com List-Id: dri-devel@lists.freedesktop.org On Wed, 6 Nov 2019 11:56:46 +0800 Jason Wang wrote: > On 2019/11/6 =E4=B8=8A=E5=8D=881:58, Alex Williamson wrote: > > On Tue, 5 Nov 2019 17:32:34 +0800 > > Jason Wang wrote: > > =20 > >> Hi all: > >> > >> There are hardwares that can do virtio datapath offloading while > >> having its own control path. This path tries to implement a mdev based > >> unified API to support using kernel virtio driver to drive those > >> devices. This is done by introducing a new mdev transport for virtio > >> (virtio_mdev) and register itself as a new kind of mdev driver. Then > >> it provides a unified way for kernel virtio driver to talk with mdev > >> device implementation. > >> > >> Though the series only contains kernel driver support, the goal is to > >> make the transport generic enough to support userspace drivers. This > >> means vhost-mdev[1] could be built on top as well by resuing the > >> transport. > >> > >> A sample driver is also implemented which simulate a virito-net > >> loopback ethernet device on top of vringh + workqueue. This could be > >> used as a reference implementation for real hardware driver. > >> > >> Also a real ICF VF driver was also posted here[2] which is a good > >> reference for vendors who is interested in their own virtio datapath > >> offloading product. > >> > >> Consider mdev framework only support VFIO device and driver right now, > >> this series also extend it to support other types. This is done > >> through introducing class id to the device and pairing it with > >> id_talbe claimed by the driver. On top, this seris also decouple > >> device specific parents ops out of the common ones. > >> > >> Pktgen test was done with virito-net + mvnet loop back device. > >> > >> Please review. > >> > >> [1] https://lkml.org/lkml/2019/10/31/440 > >> [2] https://lkml.org/lkml/2019/10/15/1226 > >> > >> Changes from V7: > >> - drop {set|get}_mdev_features for virtio > >> - typo and comment style fixes =20 > > > > Seems we're nearly there, all the remaining comments are relatively > > superficial, though I would appreciate a v9 addressing them as well as > > the checkpatch warnings: > > > > https://patchwork.freedesktop.org/series/68977/ =20 >=20 >=20 > Will do. >=20 > Btw, do you plan to merge vhost-mdev patch on top? Or you prefer it to=20 > go through Michael's vhost tree? I can include it if you wish. The mdev changes are isolated enough in that patch that I wouldn't presume it, but clearly it would require less merge coordination to drop it in my tree. Let me know. Thanks, Alex From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 23BCFC5DF63 for ; Wed, 6 Nov 2019 19:03:55 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id EEE502187F for ; Wed, 6 Nov 2019 19:03:54 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org EEE502187F Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id DD0C66E29E; Wed, 6 Nov 2019 19:03:53 +0000 (UTC) Received: from us-smtp-delivery-1.mimecast.com (us-smtp-1.mimecast.com [205.139.110.61]) by gabe.freedesktop.org (Postfix) with ESMTPS id 918426E2A3 for ; Wed, 6 Nov 2019 19:03:47 +0000 (UTC) Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-364-MkavMd-mPku2TkqD8XFDEg-1; Wed, 06 Nov 2019 14:03:34 -0500 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id E3930477; Wed, 6 Nov 2019 19:03:30 +0000 (UTC) Received: from x1.home (ovpn-116-138.phx2.redhat.com [10.3.116.138]) by smtp.corp.redhat.com (Postfix) with ESMTP id EA38F5C6DC; Wed, 6 Nov 2019 19:03:12 +0000 (UTC) Date: Wed, 6 Nov 2019 12:03:12 -0700 From: Alex Williamson To: Jason Wang Subject: Re: [PATCH V8 0/6] mdev based hardware virtio offloading support Message-ID: <20191106120312.77a6a318@x1.home> In-Reply-To: <393f2dc9-8c67-d3c9-6553-640b80c15aaf@redhat.com> References: <20191105093240.5135-1-jasowang@redhat.com> <20191105105834.469675f0@x1.home> <393f2dc9-8c67-d3c9-6553-640b80c15aaf@redhat.com> Organization: Red Hat MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 X-MC-Unique: MkavMd-mPku2TkqD8XFDEg-1 X-Mimecast-Spam-Score: 0 X-Mailman-Original-DKIM-Signature: v=1; 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charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Message-ID: <20191106190312.a2sOK7QJJvswcffN-0iuIEw_UOP-T3z_8WfmC2RADnc@z> T24gV2VkLCA2IE5vdiAyMDE5IDExOjU2OjQ2ICswODAwCkphc29uIFdhbmcgPGphc293YW5nQHJl ZGhhdC5jb20+IHdyb3RlOgoKPiBPbiAyMDE5LzExLzYg5LiK5Y2IMTo1OCwgQWxleCBXaWxsaWFt c29uIHdyb3RlOgo+ID4gT24gVHVlLCAgNSBOb3YgMjAxOSAxNzozMjozNCArMDgwMAo+ID4gSmFz b24gV2FuZyA8amFzb3dhbmdAcmVkaGF0LmNvbT4gd3JvdGU6Cj4gPiAgCj4gPj4gSGkgYWxsOgo+ ID4+Cj4gPj4gVGhlcmUgYXJlIGhhcmR3YXJlcyB0aGF0IGNhbiBkbyB2aXJ0aW8gZGF0YXBhdGgg b2ZmbG9hZGluZyB3aGlsZQo+ID4+IGhhdmluZyBpdHMgb3duIGNvbnRyb2wgcGF0aC4gVGhpcyBw YXRoIHRyaWVzIHRvIGltcGxlbWVudCBhIG1kZXYgYmFzZWQKPiA+PiB1bmlmaWVkIEFQSSB0byBz dXBwb3J0IHVzaW5nIGtlcm5lbCB2aXJ0aW8gZHJpdmVyIHRvIGRyaXZlIHRob3NlCj4gPj4gZGV2 aWNlcy4gVGhpcyBpcyBkb25lIGJ5IGludHJvZHVjaW5nIGEgbmV3IG1kZXYgdHJhbnNwb3J0IGZv ciB2aXJ0aW8KPiA+PiAodmlydGlvX21kZXYpIGFuZCByZWdpc3RlciBpdHNlbGYgYXMgYSBuZXcg a2luZCBvZiBtZGV2IGRyaXZlci4gVGhlbgo+ID4+IGl0IHByb3ZpZGVzIGEgdW5pZmllZCB3YXkg Zm9yIGtlcm5lbCB2aXJ0aW8gZHJpdmVyIHRvIHRhbGsgd2l0aCBtZGV2Cj4gPj4gZGV2aWNlIGlt cGxlbWVudGF0aW9uLgo+ID4+Cj4gPj4gVGhvdWdoIHRoZSBzZXJpZXMgb25seSBjb250YWlucyBr ZXJuZWwgZHJpdmVyIHN1cHBvcnQsIHRoZSBnb2FsIGlzIHRvCj4gPj4gbWFrZSB0aGUgdHJhbnNw b3J0IGdlbmVyaWMgZW5vdWdoIHRvIHN1cHBvcnQgdXNlcnNwYWNlIGRyaXZlcnMuIFRoaXMKPiA+ PiBtZWFucyB2aG9zdC1tZGV2WzFdIGNvdWxkIGJlIGJ1aWx0IG9uIHRvcCBhcyB3ZWxsIGJ5IHJl c3VpbmcgdGhlCj4gPj4gdHJhbnNwb3J0Lgo+ID4+Cj4gPj4gQSBzYW1wbGUgZHJpdmVyIGlzIGFs c28gaW1wbGVtZW50ZWQgd2hpY2ggc2ltdWxhdGUgYSB2aXJpdG8tbmV0Cj4gPj4gbG9vcGJhY2sg ZXRoZXJuZXQgZGV2aWNlIG9uIHRvcCBvZiB2cmluZ2ggKyB3b3JrcXVldWUuIFRoaXMgY291bGQg YmUKPiA+PiB1c2VkIGFzIGEgcmVmZXJlbmNlIGltcGxlbWVudGF0aW9uIGZvciByZWFsIGhhcmR3 YXJlIGRyaXZlci4KPiA+Pgo+ID4+IEFsc28gYSByZWFsIElDRiBWRiBkcml2ZXIgd2FzIGFsc28g cG9zdGVkIGhlcmVbMl0gd2hpY2ggaXMgYSBnb29kCj4gPj4gcmVmZXJlbmNlIGZvciB2ZW5kb3Jz IHdobyBpcyBpbnRlcmVzdGVkIGluIHRoZWlyIG93biB2aXJ0aW8gZGF0YXBhdGgKPiA+PiBvZmZs b2FkaW5nIHByb2R1Y3QuCj4gPj4KPiA+PiBDb25zaWRlciBtZGV2IGZyYW1ld29yayBvbmx5IHN1 cHBvcnQgVkZJTyBkZXZpY2UgYW5kIGRyaXZlciByaWdodCBub3csCj4gPj4gdGhpcyBzZXJpZXMg YWxzbyBleHRlbmQgaXQgdG8gc3VwcG9ydCBvdGhlciB0eXBlcy4gVGhpcyBpcyBkb25lCj4gPj4g dGhyb3VnaCBpbnRyb2R1Y2luZyBjbGFzcyBpZCB0byB0aGUgZGV2aWNlIGFuZCBwYWlyaW5nIGl0 IHdpdGgKPiA+PiBpZF90YWxiZSBjbGFpbWVkIGJ5IHRoZSBkcml2ZXIuIE9uIHRvcCwgdGhpcyBz ZXJpcyBhbHNvIGRlY291cGxlCj4gPj4gZGV2aWNlIHNwZWNpZmljIHBhcmVudHMgb3BzIG91dCBv ZiB0aGUgY29tbW9uIG9uZXMuCj4gPj4KPiA+PiBQa3RnZW4gdGVzdCB3YXMgZG9uZSB3aXRoIHZp cml0by1uZXQgKyBtdm5ldCBsb29wIGJhY2sgZGV2aWNlLgo+ID4+Cj4gPj4gUGxlYXNlIHJldmll dy4KPiA+Pgo+ID4+IFsxXSBodHRwczovL2xrbWwub3JnL2xrbWwvMjAxOS8xMC8zMS80NDAKPiA+ PiBbMl0gaHR0cHM6Ly9sa21sLm9yZy9sa21sLzIwMTkvMTAvMTUvMTIyNgo+ID4+Cj4gPj4gQ2hh bmdlcyBmcm9tIFY3Ogo+ID4+IC0gZHJvcCB7c2V0fGdldH1fbWRldl9mZWF0dXJlcyBmb3Igdmly dGlvCj4gPj4gLSB0eXBvIGFuZCBjb21tZW50IHN0eWxlIGZpeGVzICAKPiA+Cj4gPiBTZWVtcyB3 ZSdyZSBuZWFybHkgdGhlcmUsIGFsbCB0aGUgcmVtYWluaW5nIGNvbW1lbnRzIGFyZSByZWxhdGl2 ZWx5Cj4gPiBzdXBlcmZpY2lhbCwgdGhvdWdoIEkgd291bGQgYXBwcmVjaWF0ZSBhIHY5IGFkZHJl c3NpbmcgdGhlbSBhcyB3ZWxsIGFzCj4gPiB0aGUgY2hlY2twYXRjaCB3YXJuaW5nczoKPiA+Cj4g PiBodHRwczovL3BhdGNod29yay5mcmVlZGVza3RvcC5vcmcvc2VyaWVzLzY4OTc3LyAgCj4gCj4g Cj4gV2lsbCBkby4KPiAKPiBCdHcsIGRvIHlvdSBwbGFuIHRvIG1lcmdlIHZob3N0LW1kZXYgcGF0 Y2ggb24gdG9wPyBPciB5b3UgcHJlZmVyIGl0IHRvIAo+IGdvIHRocm91Z2ggTWljaGFlbCdzIHZo b3N0IHRyZWU/CgpJIGNhbiBpbmNsdWRlIGl0IGlmIHlvdSB3aXNoLiAgVGhlIG1kZXYgY2hhbmdl cyBhcmUgaXNvbGF0ZWQgZW5vdWdoIGluCnRoYXQgcGF0Y2ggdGhhdCBJIHdvdWxkbid0IHByZXN1 bWUgaXQsIGJ1dCBjbGVhcmx5IGl0IHdvdWxkIHJlcXVpcmUKbGVzcyBtZXJnZSBjb29yZGluYXRp b24gdG8gZHJvcCBpdCBpbiBteSB0cmVlLiAgTGV0IG1lIGtub3cuICBUaGFua3MsCgpBbGV4Cgpf X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpkcmktZGV2ZWwg bWFpbGluZyBsaXN0CmRyaS1kZXZlbEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0 cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9kcmktZGV2ZWw= From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id DCB25C5DF63 for ; 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Wed, 06 Nov 2019 14:03:34 -0500 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id E3930477; Wed, 6 Nov 2019 19:03:30 +0000 (UTC) Received: from x1.home (ovpn-116-138.phx2.redhat.com [10.3.116.138]) by smtp.corp.redhat.com (Postfix) with ESMTP id EA38F5C6DC; Wed, 6 Nov 2019 19:03:12 +0000 (UTC) Date: Wed, 6 Nov 2019 12:03:12 -0700 From: Alex Williamson To: Jason Wang Message-ID: <20191106120312.77a6a318@x1.home> In-Reply-To: <393f2dc9-8c67-d3c9-6553-640b80c15aaf@redhat.com> References: <20191105093240.5135-1-jasowang@redhat.com> <20191105105834.469675f0@x1.home> <393f2dc9-8c67-d3c9-6553-640b80c15aaf@redhat.com> Organization: Red Hat MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 X-MC-Unique: MkavMd-mPku2TkqD8XFDEg-1 X-Mimecast-Spam-Score: 0 X-Mailman-Original-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1573067023; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=mg3JgW1BuhTCB4NFaQyIC8Smk9WRddoCBLHgtm+TXAs=; b=Rgc+6IyECAu50rQUaEBdcUdZt5+bt083Lt5PdKgAv6m23ApL2SQhcCbWtctmJ1/RVV+NG1 hQcq0JbUuSczWVBQp5r0flzIIQ8ff3w9LY2CdQAXS3bgyOxu3E/cgnAYus7NmA5GjlTbTD 5DbEfzyfKHSv+5MruMC8wymtJ+0GtQk= Subject: Re: [Intel-gfx] [PATCH V8 0/6] mdev based hardware virtio offloading support X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: stefanha@redhat.com, christophe.de.dinechin@gmail.com, kvm@vger.kernel.org, mst@redhat.com, airlied@linux.ie, heiko.carstens@de.ibm.com, dri-devel@lists.freedesktop.org, virtualization@lists.linux-foundation.org, kwankhede@nvidia.com, rob.miller@broadcom.com, linux-s390@vger.kernel.org, sebott@linux.ibm.com, lulu@redhat.com, eperezma@redhat.com, pasic@linux.ibm.com, borntraeger@de.ibm.com, haotian.wang@sifive.com, cunming.liang@intel.com, farman@linux.ibm.com, idos@mellanox.com, gor@linux.ibm.com, intel-gfx@lists.freedesktop.org, xiao.w.wang@intel.com, freude@linux.ibm.com, parav@mellanox.com, zhihong.wang@intel.com, intel-gvt-dev@lists.freedesktop.org, akrowiak@linux.ibm.com, oberpar@linux.ibm.com, tiwei.bie@intel.com, netdev@vger.kernel.org, cohuck@redhat.com, linux-kernel@vger.kernel.org, maxime.coquelin@redhat.com, lingshan.zhu@intel.com Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" Message-ID: <20191106190312.pGfYetF3_Zs7qkWwjRJ30qd29GR4keuiRD5sRgMIX5k@z> T24gV2VkLCA2IE5vdiAyMDE5IDExOjU2OjQ2ICswODAwCkphc29uIFdhbmcgPGphc293YW5nQHJl ZGhhdC5jb20+IHdyb3RlOgoKPiBPbiAyMDE5LzExLzYg5LiK5Y2IMTo1OCwgQWxleCBXaWxsaWFt c29uIHdyb3RlOgo+ID4gT24gVHVlLCAgNSBOb3YgMjAxOSAxNzozMjozNCArMDgwMAo+ID4gSmFz b24gV2FuZyA8amFzb3dhbmdAcmVkaGF0LmNvbT4gd3JvdGU6Cj4gPiAgCj4gPj4gSGkgYWxsOgo+ ID4+Cj4gPj4gVGhlcmUgYXJlIGhhcmR3YXJlcyB0aGF0IGNhbiBkbyB2aXJ0aW8gZGF0YXBhdGgg b2ZmbG9hZGluZyB3aGlsZQo+ID4+IGhhdmluZyBpdHMgb3duIGNvbnRyb2wgcGF0aC4gVGhpcyBw YXRoIHRyaWVzIHRvIGltcGxlbWVudCBhIG1kZXYgYmFzZWQKPiA+PiB1bmlmaWVkIEFQSSB0byBz dXBwb3J0IHVzaW5nIGtlcm5lbCB2aXJ0aW8gZHJpdmVyIHRvIGRyaXZlIHRob3NlCj4gPj4gZGV2 aWNlcy4gVGhpcyBpcyBkb25lIGJ5IGludHJvZHVjaW5nIGEgbmV3IG1kZXYgdHJhbnNwb3J0IGZv ciB2aXJ0aW8KPiA+PiAodmlydGlvX21kZXYpIGFuZCByZWdpc3RlciBpdHNlbGYgYXMgYSBuZXcg a2luZCBvZiBtZGV2IGRyaXZlci4gVGhlbgo+ID4+IGl0IHByb3ZpZGVzIGEgdW5pZmllZCB3YXkg Zm9yIGtlcm5lbCB2aXJ0aW8gZHJpdmVyIHRvIHRhbGsgd2l0aCBtZGV2Cj4gPj4gZGV2aWNlIGlt cGxlbWVudGF0aW9uLgo+ID4+Cj4gPj4gVGhvdWdoIHRoZSBzZXJpZXMgb25seSBjb250YWlucyBr ZXJuZWwgZHJpdmVyIHN1cHBvcnQsIHRoZSBnb2FsIGlzIHRvCj4gPj4gbWFrZSB0aGUgdHJhbnNw b3J0IGdlbmVyaWMgZW5vdWdoIHRvIHN1cHBvcnQgdXNlcnNwYWNlIGRyaXZlcnMuIFRoaXMKPiA+ PiBtZWFucyB2aG9zdC1tZGV2WzFdIGNvdWxkIGJlIGJ1aWx0IG9uIHRvcCBhcyB3ZWxsIGJ5IHJl c3VpbmcgdGhlCj4gPj4gdHJhbnNwb3J0Lgo+ID4+Cj4gPj4gQSBzYW1wbGUgZHJpdmVyIGlzIGFs c28gaW1wbGVtZW50ZWQgd2hpY2ggc2ltdWxhdGUgYSB2aXJpdG8tbmV0Cj4gPj4gbG9vcGJhY2sg ZXRoZXJuZXQgZGV2aWNlIG9uIHRvcCBvZiB2cmluZ2ggKyB3b3JrcXVldWUuIFRoaXMgY291bGQg YmUKPiA+PiB1c2VkIGFzIGEgcmVmZXJlbmNlIGltcGxlbWVudGF0aW9uIGZvciByZWFsIGhhcmR3 YXJlIGRyaXZlci4KPiA+Pgo+ID4+IEFsc28gYSByZWFsIElDRiBWRiBkcml2ZXIgd2FzIGFsc28g cG9zdGVkIGhlcmVbMl0gd2hpY2ggaXMgYSBnb29kCj4gPj4gcmVmZXJlbmNlIGZvciB2ZW5kb3Jz IHdobyBpcyBpbnRlcmVzdGVkIGluIHRoZWlyIG93biB2aXJ0aW8gZGF0YXBhdGgKPiA+PiBvZmZs b2FkaW5nIHByb2R1Y3QuCj4gPj4KPiA+PiBDb25zaWRlciBtZGV2IGZyYW1ld29yayBvbmx5IHN1 cHBvcnQgVkZJTyBkZXZpY2UgYW5kIGRyaXZlciByaWdodCBub3csCj4gPj4gdGhpcyBzZXJpZXMg YWxzbyBleHRlbmQgaXQgdG8gc3VwcG9ydCBvdGhlciB0eXBlcy4gVGhpcyBpcyBkb25lCj4gPj4g dGhyb3VnaCBpbnRyb2R1Y2luZyBjbGFzcyBpZCB0byB0aGUgZGV2aWNlIGFuZCBwYWlyaW5nIGl0 IHdpdGgKPiA+PiBpZF90YWxiZSBjbGFpbWVkIGJ5IHRoZSBkcml2ZXIuIE9uIHRvcCwgdGhpcyBz ZXJpcyBhbHNvIGRlY291cGxlCj4gPj4gZGV2aWNlIHNwZWNpZmljIHBhcmVudHMgb3BzIG91dCBv ZiB0aGUgY29tbW9uIG9uZXMuCj4gPj4KPiA+PiBQa3RnZW4gdGVzdCB3YXMgZG9uZSB3aXRoIHZp cml0by1uZXQgKyBtdm5ldCBsb29wIGJhY2sgZGV2aWNlLgo+ID4+Cj4gPj4gUGxlYXNlIHJldmll dy4KPiA+Pgo+ID4+IFsxXSBodHRwczovL2xrbWwub3JnL2xrbWwvMjAxOS8xMC8zMS80NDAKPiA+ PiBbMl0gaHR0cHM6Ly9sa21sLm9yZy9sa21sLzIwMTkvMTAvMTUvMTIyNgo+ID4+Cj4gPj4gQ2hh bmdlcyBmcm9tIFY3Ogo+ID4+IC0gZHJvcCB7c2V0fGdldH1fbWRldl9mZWF0dXJlcyBmb3Igdmly dGlvCj4gPj4gLSB0eXBvIGFuZCBjb21tZW50IHN0eWxlIGZpeGVzICAKPiA+Cj4gPiBTZWVtcyB3 ZSdyZSBuZWFybHkgdGhlcmUsIGFsbCB0aGUgcmVtYWluaW5nIGNvbW1lbnRzIGFyZSByZWxhdGl2 ZWx5Cj4gPiBzdXBlcmZpY2lhbCwgdGhvdWdoIEkgd291bGQgYXBwcmVjaWF0ZSBhIHY5IGFkZHJl c3NpbmcgdGhlbSBhcyB3ZWxsIGFzCj4gPiB0aGUgY2hlY2twYXRjaCB3YXJuaW5nczoKPiA+Cj4g PiBodHRwczovL3BhdGNod29yay5mcmVlZGVza3RvcC5vcmcvc2VyaWVzLzY4OTc3LyAgCj4gCj4g Cj4gV2lsbCBkby4KPiAKPiBCdHcsIGRvIHlvdSBwbGFuIHRvIG1lcmdlIHZob3N0LW1kZXYgcGF0 Y2ggb24gdG9wPyBPciB5b3UgcHJlZmVyIGl0IHRvIAo+IGdvIHRocm91Z2ggTWljaGFlbCdzIHZo b3N0IHRyZWU/CgpJIGNhbiBpbmNsdWRlIGl0IGlmIHlvdSB3aXNoLiAgVGhlIG1kZXYgY2hhbmdl cyBhcmUgaXNvbGF0ZWQgZW5vdWdoIGluCnRoYXQgcGF0Y2ggdGhhdCBJIHdvdWxkbid0IHByZXN1 bWUgaXQsIGJ1dCBjbGVhcmx5IGl0IHdvdWxkIHJlcXVpcmUKbGVzcyBtZXJnZSBjb29yZGluYXRp b24gdG8gZHJvcCBpdCBpbiBteSB0cmVlLiAgTGV0IG1lIGtub3cuICBUaGFua3MsCgpBbGV4Cgpf X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpJbnRlbC1nZngg bWFpbGluZyBsaXN0CkludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6Ly9saXN0 cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZng=