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 BB55DC47E49 for ; Tue, 5 Nov 2019 17:58:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 93F63217F5 for ; Tue, 5 Nov 2019 17:58:59 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="OGvjmcl+" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2390601AbfKER66 (ORCPT ); Tue, 5 Nov 2019 12:58:58 -0500 Received: from us-smtp-2.mimecast.com ([205.139.110.61]:24870 "EHLO us-smtp-delivery-1.mimecast.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S2390452AbfKER66 (ORCPT ); Tue, 5 Nov 2019 12:58:58 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1572976736; 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=6tu1v4G9fE/ChX8bRQ38WG0hz1iaA5qDIbKie9vJH4o=; b=OGvjmcl+1limUf2GkEkJwjghjeSB80IqjEl1TXQ+9WbunBhMAjbZipFyjfZF63v0EFNEZu /Beadxq3H0y5Q+YpXXUCv/ipfijwm0/bL1qwIBMIlWeRsLum3FeDIcvpGRKvaqkvb9+V5E Zk4KOVMEqKDBFV0t2fM0LS0k5Fohx/Q= 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-174-vstKXwaEPzyCzJ10MyBS1A-1; Tue, 05 Nov 2019 12:58:52 -0500 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 03AE21800D4A; Tue, 5 Nov 2019 17:58:46 +0000 (UTC) Received: from x1.home (ovpn-116-110.phx2.redhat.com [10.3.116.110]) by smtp.corp.redhat.com (Postfix) with ESMTP id 31C85100164D; Tue, 5 Nov 2019 17:58:35 +0000 (UTC) Date: Tue, 5 Nov 2019 10:58:34 -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: <20191105105834.469675f0@x1.home> In-Reply-To: <20191105093240.5135-1-jasowang@redhat.com> References: <20191105093240.5135-1-jasowang@redhat.com> Organization: Red Hat MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 X-MC-Unique: vstKXwaEPzyCzJ10MyBS1A-1 X-Mimecast-Spam-Score: 0 Content-Type: text/plain; charset=WINDOWS-1252 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 Tue, 5 Nov 2019 17:32:34 +0800 Jason Wang wrote: > Hi all: >=20 > 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. >=20 > 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. >=20 > 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. >=20 > 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. >=20 > 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. >=20 > Pktgen test was done with virito-net + mvnet loop back device. >=20 > Please review. >=20 > [1] https://lkml.org/lkml/2019/10/31/440 > [2] https://lkml.org/lkml/2019/10/15/1226 >=20 > Changes from V7: > - drop {set|get}_mdev_features for virtio > - typo and comment style fixes 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/ Consider this a last call for reviews or acks (or naks) from affected mdev vendor drivers, mdev-core sub-maintainers (Hi Kirti), virtio stakeholders, etc. 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: Tue, 5 Nov 2019 10:58:34 -0700 Message-ID: <20191105105834.469675f0@x1.home> References: <20191105093240.5135-1-jasowang@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <20191105093240.5135-1-jasowang@redhat.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Jason Wang 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 List-Id: dri-devel@lists.freedesktop.org T24gVHVlLCAgNSBOb3YgMjAxOSAxNzozMjozNCArMDgwMApKYXNvbiBXYW5nIDxqYXNvd2FuZ0By ZWRoYXQuY29tPiB3cm90ZToKCj4gSGkgYWxsOgo+IAo+IFRoZXJlIGFyZSBoYXJkd2FyZXMgdGhh dCBjYW4gZG8gdmlydGlvIGRhdGFwYXRoIG9mZmxvYWRpbmcgd2hpbGUKPiBoYXZpbmcgaXRzIG93 biBjb250cm9sIHBhdGguIFRoaXMgcGF0aCB0cmllcyB0byBpbXBsZW1lbnQgYSBtZGV2IGJhc2Vk Cj4gdW5pZmllZCBBUEkgdG8gc3VwcG9ydCB1c2luZyBrZXJuZWwgdmlydGlvIGRyaXZlciB0byBk cml2ZSB0aG9zZQo+IGRldmljZXMuIFRoaXMgaXMgZG9uZSBieSBpbnRyb2R1Y2luZyBhIG5ldyBt ZGV2IHRyYW5zcG9ydCBmb3IgdmlydGlvCj4gKHZpcnRpb19tZGV2KSBhbmQgcmVnaXN0ZXIgaXRz ZWxmIGFzIGEgbmV3IGtpbmQgb2YgbWRldiBkcml2ZXIuIFRoZW4KPiBpdCBwcm92aWRlcyBhIHVu aWZpZWQgd2F5IGZvciBrZXJuZWwgdmlydGlvIGRyaXZlciB0byB0YWxrIHdpdGggbWRldgo+IGRl dmljZSBpbXBsZW1lbnRhdGlvbi4KPiAKPiBUaG91Z2ggdGhlIHNlcmllcyBvbmx5IGNvbnRhaW5z IGtlcm5lbCBkcml2ZXIgc3VwcG9ydCwgdGhlIGdvYWwgaXMgdG8KPiBtYWtlIHRoZSB0cmFuc3Bv cnQgZ2VuZXJpYyBlbm91Z2ggdG8gc3VwcG9ydCB1c2Vyc3BhY2UgZHJpdmVycy4gVGhpcwo+IG1l YW5zIHZob3N0LW1kZXZbMV0gY291bGQgYmUgYnVpbHQgb24gdG9wIGFzIHdlbGwgYnkgcmVzdWlu ZyB0aGUKPiB0cmFuc3BvcnQuCj4gCj4gQSBzYW1wbGUgZHJpdmVyIGlzIGFsc28gaW1wbGVtZW50 ZWQgd2hpY2ggc2ltdWxhdGUgYSB2aXJpdG8tbmV0Cj4gbG9vcGJhY2sgZXRoZXJuZXQgZGV2aWNl IG9uIHRvcCBvZiB2cmluZ2ggKyB3b3JrcXVldWUuIFRoaXMgY291bGQgYmUKPiB1c2VkIGFzIGEg cmVmZXJlbmNlIGltcGxlbWVudGF0aW9uIGZvciByZWFsIGhhcmR3YXJlIGRyaXZlci4KPiAKPiBB bHNvIGEgcmVhbCBJQ0YgVkYgZHJpdmVyIHdhcyBhbHNvIHBvc3RlZCBoZXJlWzJdIHdoaWNoIGlz IGEgZ29vZAo+IHJlZmVyZW5jZSBmb3IgdmVuZG9ycyB3aG8gaXMgaW50ZXJlc3RlZCBpbiB0aGVp ciBvd24gdmlydGlvIGRhdGFwYXRoCj4gb2ZmbG9hZGluZyBwcm9kdWN0Lgo+IAo+IENvbnNpZGVy IG1kZXYgZnJhbWV3b3JrIG9ubHkgc3VwcG9ydCBWRklPIGRldmljZSBhbmQgZHJpdmVyIHJpZ2h0 IG5vdywKPiB0aGlzIHNlcmllcyBhbHNvIGV4dGVuZCBpdCB0byBzdXBwb3J0IG90aGVyIHR5cGVz LiBUaGlzIGlzIGRvbmUKPiB0aHJvdWdoIGludHJvZHVjaW5nIGNsYXNzIGlkIHRvIHRoZSBkZXZp Y2UgYW5kIHBhaXJpbmcgaXQgd2l0aAo+IGlkX3RhbGJlIGNsYWltZWQgYnkgdGhlIGRyaXZlci4g T24gdG9wLCB0aGlzIHNlcmlzIGFsc28gZGVjb3VwbGUKPiBkZXZpY2Ugc3BlY2lmaWMgcGFyZW50 cyBvcHMgb3V0IG9mIHRoZSBjb21tb24gb25lcy4KPiAKPiBQa3RnZW4gdGVzdCB3YXMgZG9uZSB3 aXRoIHZpcml0by1uZXQgKyBtdm5ldCBsb29wIGJhY2sgZGV2aWNlLgo+IAo+IFBsZWFzZSByZXZp ZXcuCj4gCj4gWzFdIGh0dHBzOi8vbGttbC5vcmcvbGttbC8yMDE5LzEwLzMxLzQ0MAo+IFsyXSBo dHRwczovL2xrbWwub3JnL2xrbWwvMjAxOS8xMC8xNS8xMjI2Cj4gCj4gQ2hhbmdlcyBmcm9tIFY3 Ogo+IC0gZHJvcCB7c2V0fGdldH1fbWRldl9mZWF0dXJlcyBmb3IgdmlydGlvCj4gLSB0eXBvIGFu ZCBjb21tZW50IHN0eWxlIGZpeGVzCgoKU2VlbXMgd2UncmUgbmVhcmx5IHRoZXJlLCBhbGwgdGhl IHJlbWFpbmluZyBjb21tZW50cyBhcmUgcmVsYXRpdmVseQpzdXBlcmZpY2lhbCwgdGhvdWdoIEkg d291bGQgYXBwcmVjaWF0ZSBhIHY5IGFkZHJlc3NpbmcgdGhlbSBhcyB3ZWxsIGFzCnRoZSBjaGVj a3BhdGNoIHdhcm5pbmdzOgoKaHR0cHM6Ly9wYXRjaHdvcmsuZnJlZWRlc2t0b3Aub3JnL3Nlcmll cy82ODk3Ny8KCkNvbnNpZGVyIHRoaXMgYSBsYXN0IGNhbGwgZm9yIHJldmlld3Mgb3IgYWNrcyAo b3IgbmFrcykgZnJvbSBhZmZlY3RlZAptZGV2IHZlbmRvciBkcml2ZXJzLCBtZGV2LWNvcmUgc3Vi LW1haW50YWluZXJzIChIaSBLaXJ0aSksIHZpcnRpbwpzdGFrZWhvbGRlcnMsIGV0Yy4gIFRoYW5r cywKCkFsZXgKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f CkludGVsLWdmeCBtYWlsaW5nIGxpc3QKSW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpo dHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdmeA== 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 B2B5FC5DF61 for ; 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charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Message-ID: <20191105175834.7VqDHFwT-Mdt-2ZCIPhv36gA0ul4jGdZwmPeWuGxYiM@z> T24gVHVlLCAgNSBOb3YgMjAxOSAxNzozMjozNCArMDgwMApKYXNvbiBXYW5nIDxqYXNvd2FuZ0By ZWRoYXQuY29tPiB3cm90ZToKCj4gSGkgYWxsOgo+IAo+IFRoZXJlIGFyZSBoYXJkd2FyZXMgdGhh dCBjYW4gZG8gdmlydGlvIGRhdGFwYXRoIG9mZmxvYWRpbmcgd2hpbGUKPiBoYXZpbmcgaXRzIG93 biBjb250cm9sIHBhdGguIFRoaXMgcGF0aCB0cmllcyB0byBpbXBsZW1lbnQgYSBtZGV2IGJhc2Vk Cj4gdW5pZmllZCBBUEkgdG8gc3VwcG9ydCB1c2luZyBrZXJuZWwgdmlydGlvIGRyaXZlciB0byBk cml2ZSB0aG9zZQo+IGRldmljZXMuIFRoaXMgaXMgZG9uZSBieSBpbnRyb2R1Y2luZyBhIG5ldyBt ZGV2IHRyYW5zcG9ydCBmb3IgdmlydGlvCj4gKHZpcnRpb19tZGV2KSBhbmQgcmVnaXN0ZXIgaXRz ZWxmIGFzIGEgbmV3IGtpbmQgb2YgbWRldiBkcml2ZXIuIFRoZW4KPiBpdCBwcm92aWRlcyBhIHVu aWZpZWQgd2F5IGZvciBrZXJuZWwgdmlydGlvIGRyaXZlciB0byB0YWxrIHdpdGggbWRldgo+IGRl dmljZSBpbXBsZW1lbnRhdGlvbi4KPiAKPiBUaG91Z2ggdGhlIHNlcmllcyBvbmx5IGNvbnRhaW5z IGtlcm5lbCBkcml2ZXIgc3VwcG9ydCwgdGhlIGdvYWwgaXMgdG8KPiBtYWtlIHRoZSB0cmFuc3Bv cnQgZ2VuZXJpYyBlbm91Z2ggdG8gc3VwcG9ydCB1c2Vyc3BhY2UgZHJpdmVycy4gVGhpcwo+IG1l YW5zIHZob3N0LW1kZXZbMV0gY291bGQgYmUgYnVpbHQgb24gdG9wIGFzIHdlbGwgYnkgcmVzdWlu ZyB0aGUKPiB0cmFuc3BvcnQuCj4gCj4gQSBzYW1wbGUgZHJpdmVyIGlzIGFsc28gaW1wbGVtZW50 ZWQgd2hpY2ggc2ltdWxhdGUgYSB2aXJpdG8tbmV0Cj4gbG9vcGJhY2sgZXRoZXJuZXQgZGV2aWNl IG9uIHRvcCBvZiB2cmluZ2ggKyB3b3JrcXVldWUuIFRoaXMgY291bGQgYmUKPiB1c2VkIGFzIGEg cmVmZXJlbmNlIGltcGxlbWVudGF0aW9uIGZvciByZWFsIGhhcmR3YXJlIGRyaXZlci4KPiAKPiBB bHNvIGEgcmVhbCBJQ0YgVkYgZHJpdmVyIHdhcyBhbHNvIHBvc3RlZCBoZXJlWzJdIHdoaWNoIGlz IGEgZ29vZAo+IHJlZmVyZW5jZSBmb3IgdmVuZG9ycyB3aG8gaXMgaW50ZXJlc3RlZCBpbiB0aGVp ciBvd24gdmlydGlvIGRhdGFwYXRoCj4gb2ZmbG9hZGluZyBwcm9kdWN0Lgo+IAo+IENvbnNpZGVy IG1kZXYgZnJhbWV3b3JrIG9ubHkgc3VwcG9ydCBWRklPIGRldmljZSBhbmQgZHJpdmVyIHJpZ2h0 IG5vdywKPiB0aGlzIHNlcmllcyBhbHNvIGV4dGVuZCBpdCB0byBzdXBwb3J0IG90aGVyIHR5cGVz LiBUaGlzIGlzIGRvbmUKPiB0aHJvdWdoIGludHJvZHVjaW5nIGNsYXNzIGlkIHRvIHRoZSBkZXZp Y2UgYW5kIHBhaXJpbmcgaXQgd2l0aAo+IGlkX3RhbGJlIGNsYWltZWQgYnkgdGhlIGRyaXZlci4g T24gdG9wLCB0aGlzIHNlcmlzIGFsc28gZGVjb3VwbGUKPiBkZXZpY2Ugc3BlY2lmaWMgcGFyZW50 cyBvcHMgb3V0IG9mIHRoZSBjb21tb24gb25lcy4KPiAKPiBQa3RnZW4gdGVzdCB3YXMgZG9uZSB3 aXRoIHZpcml0by1uZXQgKyBtdm5ldCBsb29wIGJhY2sgZGV2aWNlLgo+IAo+IFBsZWFzZSByZXZp ZXcuCj4gCj4gWzFdIGh0dHBzOi8vbGttbC5vcmcvbGttbC8yMDE5LzEwLzMxLzQ0MAo+IFsyXSBo dHRwczovL2xrbWwub3JnL2xrbWwvMjAxOS8xMC8xNS8xMjI2Cj4gCj4gQ2hhbmdlcyBmcm9tIFY3 Ogo+IC0gZHJvcCB7c2V0fGdldH1fbWRldl9mZWF0dXJlcyBmb3IgdmlydGlvCj4gLSB0eXBvIGFu ZCBjb21tZW50IHN0eWxlIGZpeGVzCgoKU2VlbXMgd2UncmUgbmVhcmx5IHRoZXJlLCBhbGwgdGhl IHJlbWFpbmluZyBjb21tZW50cyBhcmUgcmVsYXRpdmVseQpzdXBlcmZpY2lhbCwgdGhvdWdoIEkg d291bGQgYXBwcmVjaWF0ZSBhIHY5IGFkZHJlc3NpbmcgdGhlbSBhcyB3ZWxsIGFzCnRoZSBjaGVj a3BhdGNoIHdhcm5pbmdzOgoKaHR0cHM6Ly9wYXRjaHdvcmsuZnJlZWRlc2t0b3Aub3JnL3Nlcmll cy82ODk3Ny8KCkNvbnNpZGVyIHRoaXMgYSBsYXN0IGNhbGwgZm9yIHJldmlld3Mgb3IgYWNrcyAo b3IgbmFrcykgZnJvbSBhZmZlY3RlZAptZGV2IHZlbmRvciBkcml2ZXJzLCBtZGV2LWNvcmUgc3Vi LW1haW50YWluZXJzIChIaSBLaXJ0aSksIHZpcnRpbwpzdGFrZWhvbGRlcnMsIGV0Yy4gIFRoYW5r cywKCkFsZXgKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f CmRyaS1kZXZlbCBtYWlsaW5nIGxpc3QKZHJpLWRldmVsQGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpo dHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2RyaS1kZXZlbA== 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=-0.7 required=3.0 tests=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 7F63AC5DF62 for ; 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Tue, 05 Nov 2019 12:58:52 -0500 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 03AE21800D4A; Tue, 5 Nov 2019 17:58:46 +0000 (UTC) Received: from x1.home (ovpn-116-110.phx2.redhat.com [10.3.116.110]) by smtp.corp.redhat.com (Postfix) with ESMTP id 31C85100164D; Tue, 5 Nov 2019 17:58:35 +0000 (UTC) Date: Tue, 5 Nov 2019 10:58:34 -0700 From: Alex Williamson To: Jason Wang Message-ID: <20191105105834.469675f0@x1.home> In-Reply-To: <20191105093240.5135-1-jasowang@redhat.com> References: <20191105093240.5135-1-jasowang@redhat.com> Organization: Red Hat MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 X-MC-Unique: vstKXwaEPzyCzJ10MyBS1A-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=1572976736; 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=6tu1v4G9fE/ChX8bRQ38WG0hz1iaA5qDIbKie9vJH4o=; b=OGvjmcl+1limUf2GkEkJwjghjeSB80IqjEl1TXQ+9WbunBhMAjbZipFyjfZF63v0EFNEZu /Beadxq3H0y5Q+YpXXUCv/ipfijwm0/bL1qwIBMIlWeRsLum3FeDIcvpGRKvaqkvb9+V5E Zk4KOVMEqKDBFV0t2fM0LS0k5Fohx/Q= 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: <20191105175834.rMLi7PlQAA1GQjumOAIufyfVzcc90_--srfodnLR-G0@z> T24gVHVlLCAgNSBOb3YgMjAxOSAxNzozMjozNCArMDgwMApKYXNvbiBXYW5nIDxqYXNvd2FuZ0By ZWRoYXQuY29tPiB3cm90ZToKCj4gSGkgYWxsOgo+IAo+IFRoZXJlIGFyZSBoYXJkd2FyZXMgdGhh dCBjYW4gZG8gdmlydGlvIGRhdGFwYXRoIG9mZmxvYWRpbmcgd2hpbGUKPiBoYXZpbmcgaXRzIG93 biBjb250cm9sIHBhdGguIFRoaXMgcGF0aCB0cmllcyB0byBpbXBsZW1lbnQgYSBtZGV2IGJhc2Vk Cj4gdW5pZmllZCBBUEkgdG8gc3VwcG9ydCB1c2luZyBrZXJuZWwgdmlydGlvIGRyaXZlciB0byBk cml2ZSB0aG9zZQo+IGRldmljZXMuIFRoaXMgaXMgZG9uZSBieSBpbnRyb2R1Y2luZyBhIG5ldyBt ZGV2IHRyYW5zcG9ydCBmb3IgdmlydGlvCj4gKHZpcnRpb19tZGV2KSBhbmQgcmVnaXN0ZXIgaXRz ZWxmIGFzIGEgbmV3IGtpbmQgb2YgbWRldiBkcml2ZXIuIFRoZW4KPiBpdCBwcm92aWRlcyBhIHVu aWZpZWQgd2F5IGZvciBrZXJuZWwgdmlydGlvIGRyaXZlciB0byB0YWxrIHdpdGggbWRldgo+IGRl dmljZSBpbXBsZW1lbnRhdGlvbi4KPiAKPiBUaG91Z2ggdGhlIHNlcmllcyBvbmx5IGNvbnRhaW5z IGtlcm5lbCBkcml2ZXIgc3VwcG9ydCwgdGhlIGdvYWwgaXMgdG8KPiBtYWtlIHRoZSB0cmFuc3Bv cnQgZ2VuZXJpYyBlbm91Z2ggdG8gc3VwcG9ydCB1c2Vyc3BhY2UgZHJpdmVycy4gVGhpcwo+IG1l YW5zIHZob3N0LW1kZXZbMV0gY291bGQgYmUgYnVpbHQgb24gdG9wIGFzIHdlbGwgYnkgcmVzdWlu ZyB0aGUKPiB0cmFuc3BvcnQuCj4gCj4gQSBzYW1wbGUgZHJpdmVyIGlzIGFsc28gaW1wbGVtZW50 ZWQgd2hpY2ggc2ltdWxhdGUgYSB2aXJpdG8tbmV0Cj4gbG9vcGJhY2sgZXRoZXJuZXQgZGV2aWNl IG9uIHRvcCBvZiB2cmluZ2ggKyB3b3JrcXVldWUuIFRoaXMgY291bGQgYmUKPiB1c2VkIGFzIGEg cmVmZXJlbmNlIGltcGxlbWVudGF0aW9uIGZvciByZWFsIGhhcmR3YXJlIGRyaXZlci4KPiAKPiBB bHNvIGEgcmVhbCBJQ0YgVkYgZHJpdmVyIHdhcyBhbHNvIHBvc3RlZCBoZXJlWzJdIHdoaWNoIGlz IGEgZ29vZAo+IHJlZmVyZW5jZSBmb3IgdmVuZG9ycyB3aG8gaXMgaW50ZXJlc3RlZCBpbiB0aGVp ciBvd24gdmlydGlvIGRhdGFwYXRoCj4gb2ZmbG9hZGluZyBwcm9kdWN0Lgo+IAo+IENvbnNpZGVy IG1kZXYgZnJhbWV3b3JrIG9ubHkgc3VwcG9ydCBWRklPIGRldmljZSBhbmQgZHJpdmVyIHJpZ2h0 IG5vdywKPiB0aGlzIHNlcmllcyBhbHNvIGV4dGVuZCBpdCB0byBzdXBwb3J0IG90aGVyIHR5cGVz LiBUaGlzIGlzIGRvbmUKPiB0aHJvdWdoIGludHJvZHVjaW5nIGNsYXNzIGlkIHRvIHRoZSBkZXZp Y2UgYW5kIHBhaXJpbmcgaXQgd2l0aAo+IGlkX3RhbGJlIGNsYWltZWQgYnkgdGhlIGRyaXZlci4g T24gdG9wLCB0aGlzIHNlcmlzIGFsc28gZGVjb3VwbGUKPiBkZXZpY2Ugc3BlY2lmaWMgcGFyZW50 cyBvcHMgb3V0IG9mIHRoZSBjb21tb24gb25lcy4KPiAKPiBQa3RnZW4gdGVzdCB3YXMgZG9uZSB3 aXRoIHZpcml0by1uZXQgKyBtdm5ldCBsb29wIGJhY2sgZGV2aWNlLgo+IAo+IFBsZWFzZSByZXZp ZXcuCj4gCj4gWzFdIGh0dHBzOi8vbGttbC5vcmcvbGttbC8yMDE5LzEwLzMxLzQ0MAo+IFsyXSBo dHRwczovL2xrbWwub3JnL2xrbWwvMjAxOS8xMC8xNS8xMjI2Cj4gCj4gQ2hhbmdlcyBmcm9tIFY3 Ogo+IC0gZHJvcCB7c2V0fGdldH1fbWRldl9mZWF0dXJlcyBmb3IgdmlydGlvCj4gLSB0eXBvIGFu ZCBjb21tZW50IHN0eWxlIGZpeGVzCgoKU2VlbXMgd2UncmUgbmVhcmx5IHRoZXJlLCBhbGwgdGhl IHJlbWFpbmluZyBjb21tZW50cyBhcmUgcmVsYXRpdmVseQpzdXBlcmZpY2lhbCwgdGhvdWdoIEkg d291bGQgYXBwcmVjaWF0ZSBhIHY5IGFkZHJlc3NpbmcgdGhlbSBhcyB3ZWxsIGFzCnRoZSBjaGVj a3BhdGNoIHdhcm5pbmdzOgoKaHR0cHM6Ly9wYXRjaHdvcmsuZnJlZWRlc2t0b3Aub3JnL3Nlcmll cy82ODk3Ny8KCkNvbnNpZGVyIHRoaXMgYSBsYXN0IGNhbGwgZm9yIHJldmlld3Mgb3IgYWNrcyAo b3IgbmFrcykgZnJvbSBhZmZlY3RlZAptZGV2IHZlbmRvciBkcml2ZXJzLCBtZGV2LWNvcmUgc3Vi LW1haW50YWluZXJzIChIaSBLaXJ0aSksIHZpcnRpbwpzdGFrZWhvbGRlcnMsIGV0Yy4gIFRoYW5r cywKCkFsZXgKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f CkludGVsLWdmeCBtYWlsaW5nIGxpc3QKSW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpo dHRwczovL2xpc3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdmeA==