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=-3.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,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 3B608C5DF61 for ; Thu, 7 Nov 2019 13:51:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0C3F7214D8 for ; Thu, 7 Nov 2019 13:51:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389044AbfKGNvC (ORCPT ); Thu, 7 Nov 2019 08:51:02 -0500 Received: from mx1.redhat.com ([209.132.183.28]:51794 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728417AbfKGNvB (ORCPT ); Thu, 7 Nov 2019 08:51:01 -0500 Received: from mail-qk1-f198.google.com (mail-qk1-f198.google.com [209.85.222.198]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id CD01085541 for ; Thu, 7 Nov 2019 13:51:00 +0000 (UTC) Received: by mail-qk1-f198.google.com with SMTP id r2so2344413qkb.2 for ; Thu, 07 Nov 2019 05:51:00 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:content-transfer-encoding :in-reply-to; bh=nkZBN+5zxQ42o26GlAg4Gu8zR9MU5cE0CTJ+GrFRdeo=; b=fMR1BcvruBuNyZ/mA61ilIQdSbIkB3mHKOoNDUWDpd5kxtcWO3jr6CS+Stf5ctekmc pfgeFiucZ6vz11yMgegsb8K1UOYsigXjI36cBGsvFGk3q9gROsXclm8AoSk3586PbFaE p+mF31JJkKCzC9PYQd4vjtQ5LuBRdnI4qJ5/MiJozRGa08JDu+oin/cILm2IrG1ER0rv Vtky1DZDj+I1h+CI8a8/XphCL3ZyzoDpfFf9Vz9Seut3PLQx2LcuxVMpcNE6uV3yAePZ iTAvefm+9MGpLybXBEcK/rNKPvrbJFyld4c6BmaD9x0qMmJA1pWJXuiuyt62FEuCw4Js gSsA== X-Gm-Message-State: APjAAAXdFqhxy/4hQqyks4ttMCjBoKFhher7/Bz+U7jsLBlX9iaarjdL Rb/8tEn+g5thYn/aVVoggDfSS1Vn0dPXDhPKUrGIhISdhzNtSp0QouP+FrE0SDV+B6QejtOqxsK 1S/Cj8WAZnqKYp+XAG6YZ8b5o X-Received: by 2002:a37:f605:: with SMTP id y5mr2957979qkj.288.1573134659998; Thu, 07 Nov 2019 05:50:59 -0800 (PST) X-Google-Smtp-Source: APXvYqwR0XN8Xkg7npgZmypT2TC+6FrvcOeN+9aUQy/VsChc7srS+8pQqGTXKUbO8NQlTjtab+Vs0A== X-Received: by 2002:a37:f605:: with SMTP id y5mr2957932qkj.288.1573134659680; Thu, 07 Nov 2019 05:50:59 -0800 (PST) Received: from redhat.com (bzq-79-178-12-128.red.bezeqint.net. [79.178.12.128]) by smtp.gmail.com with ESMTPSA id p3sm1052072qkf.107.2019.11.07.05.50.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 07 Nov 2019 05:50:58 -0800 (PST) Date: Thu, 7 Nov 2019 08:50:46 -0500 From: "Michael S. Tsirkin" 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, alex.williamson@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 V10 6/6] docs: sample driver to demonstrate how to implement virtio-mdev framework Message-ID: <20191107085013-mutt-send-email-mst@kernel.org> References: <20191106133531.693-1-jasowang@redhat.com> <20191106133531.693-7-jasowang@redhat.com> <20191107040700-mutt-send-email-mst@kernel.org> <20191107061942-mutt-send-email-mst@kernel.org> <20191107080834-mutt-send-email-mst@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Nov 07, 2019 at 09:32:29PM +0800, Jason Wang wrote: > > On 2019/11/7 下午9:08, Michael S. Tsirkin wrote: > > On Thu, Nov 07, 2019 at 08:43:29PM +0800, Jason Wang wrote: > > > On 2019/11/7 下午7:21, Michael S. Tsirkin wrote: > > > > On Thu, Nov 07, 2019 at 06:18:45PM +0800, Jason Wang wrote: > > > > > On 2019/11/7 下午5:08, Michael S. Tsirkin wrote: > > > > > > On Wed, Nov 06, 2019 at 09:35:31PM +0800, Jason Wang wrote: > > > > > > > This sample driver creates mdev device that simulate virtio net device > > > > > > > over virtio mdev transport. The device is implemented through vringh > > > > > > > and workqueue. A device specific dma ops is to make sure HVA is used > > > > > > > directly as the IOVA. This should be sufficient for kernel virtio > > > > > > > driver to work. > > > > > > > > > > > > > > Only 'virtio' type is supported right now. I plan to add 'vhost' type > > > > > > > on top which requires some virtual IOMMU implemented in this sample > > > > > > > driver. > > > > > > > > > > > > > > Acked-by: Cornelia Huck > > > > > > > Signed-off-by: Jason Wang > > > > > > I'd prefer it that we call this something else, e.g. > > > > > > mvnet-loopback. Just so people don't expect a fully > > > > > > functional device somehow. Can be renamed when applying? > > > > > Actually, I plan to extend it as another standard network interface for > > > > > kernel. It could be either a standalone pseudo device or a stack device. > > > > > Does this sounds good to you? > > > > > > > > > > Thanks > > > > That's a big change in an interface so it's a good reason > > > > to rename the driver at that point right? > > > > Oherwise users of an old kernel would expect a stacked driver > > > > and get a loopback instead. > > > > > > > > Or did I miss something? > > > > > > My understanding is that it was a sample driver in /doc. It should not be > > > used in production environment. Otherwise we need to move it to > > > driver/virtio. > > > > > > But if you insist, I can post a V11. > > > > > > Thanks > > this can be a patch on top. > > > Then maybe it's better just extend it to work as a normal networking device > on top? > > Thanks That would be a substantial change. Maybe drop 6/6 for now until we have a better handle on this? From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Michael S. Tsirkin" Subject: Re: [PATCH V10 6/6] docs: sample driver to demonstrate how to implement virtio-mdev framework Date: Thu, 7 Nov 2019 08:50:46 -0500 Message-ID: <20191107085013-mutt-send-email-mst@kernel.org> References: <20191106133531.693-1-jasowang@redhat.com> <20191106133531.693-7-jasowang@redhat.com> <20191107040700-mutt-send-email-mst@kernel.org> <20191107061942-mutt-send-email-mst@kernel.org> <20191107080834-mutt-send-email-mst@kernel.org> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Return-path: Content-Disposition: inline In-Reply-To: Sender: netdev-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, alex.williamson@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.ib List-Id: dri-devel@lists.freedesktop.org On Thu, Nov 07, 2019 at 09:32:29PM +0800, Jason Wang wrote: > > On 2019/11/7 下午9:08, Michael S. Tsirkin wrote: > > On Thu, Nov 07, 2019 at 08:43:29PM +0800, Jason Wang wrote: > > > On 2019/11/7 下午7:21, Michael S. Tsirkin wrote: > > > > On Thu, Nov 07, 2019 at 06:18:45PM +0800, Jason Wang wrote: > > > > > On 2019/11/7 下午5:08, Michael S. Tsirkin wrote: > > > > > > On Wed, Nov 06, 2019 at 09:35:31PM +0800, Jason Wang wrote: > > > > > > > This sample driver creates mdev device that simulate virtio net device > > > > > > > over virtio mdev transport. The device is implemented through vringh > > > > > > > and workqueue. A device specific dma ops is to make sure HVA is used > > > > > > > directly as the IOVA. This should be sufficient for kernel virtio > > > > > > > driver to work. > > > > > > > > > > > > > > Only 'virtio' type is supported right now. I plan to add 'vhost' type > > > > > > > on top which requires some virtual IOMMU implemented in this sample > > > > > > > driver. > > > > > > > > > > > > > > Acked-by: Cornelia Huck > > > > > > > Signed-off-by: Jason Wang > > > > > > I'd prefer it that we call this something else, e.g. > > > > > > mvnet-loopback. Just so people don't expect a fully > > > > > > functional device somehow. Can be renamed when applying? > > > > > Actually, I plan to extend it as another standard network interface for > > > > > kernel. It could be either a standalone pseudo device or a stack device. > > > > > Does this sounds good to you? > > > > > > > > > > Thanks > > > > That's a big change in an interface so it's a good reason > > > > to rename the driver at that point right? > > > > Oherwise users of an old kernel would expect a stacked driver > > > > and get a loopback instead. > > > > > > > > Or did I miss something? > > > > > > My understanding is that it was a sample driver in /doc. It should not be > > > used in production environment. Otherwise we need to move it to > > > driver/virtio. > > > > > > But if you insist, I can post a V11. > > > > > > Thanks > > this can be a patch on top. > > > Then maybe it's better just extend it to work as a normal networking device > on top? > > Thanks That would be a substantial change. Maybe drop 6/6 for now until we have a better handle on this? 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=-3.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,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 642F0FC6195 for ; Thu, 7 Nov 2019 13:51:03 +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 440CB214D8 for ; Thu, 7 Nov 2019 13:51:03 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 440CB214D8 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 79E666E2DC; Thu, 7 Nov 2019 13:51:02 +0000 (UTC) Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by gabe.freedesktop.org (Postfix) with ESMTPS id 51B0D6E2DC for ; Thu, 7 Nov 2019 13:51:01 +0000 (UTC) Received: from mail-qt1-f199.google.com (mail-qt1-f199.google.com [209.85.160.199]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id C5089C04BE1B for ; Thu, 7 Nov 2019 13:51:00 +0000 (UTC) Received: by mail-qt1-f199.google.com with SMTP id h39so2641762qth.13 for ; Thu, 07 Nov 2019 05:51:00 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:content-transfer-encoding :in-reply-to; bh=nkZBN+5zxQ42o26GlAg4Gu8zR9MU5cE0CTJ+GrFRdeo=; b=QUm2VlS+0DeNI0d3BEcXd68HrC9htqyCAk1Pp+a8E98c6y57I7X7ntuPdiHtRB0H8P 6Gvk3yLkkxhn4yvz7760uqqmoJYMxLcLpwlFHchY9r7qFcL46S3vQtUlnryzh6R44I1v 8mjkknulSoeKWOSCo4celpj+uo5HxteAOGwaOxlvoLl1K0CHTR+gvXpPpUzuJFnhFbbW 36O+kTJf6akvLh0WmdRy8NKyEJg9eOzirNOJpCaZ2efRanx74v2r1a+VwPnSte1OzWFr fw9wItFzCalWYRuoRnJv++53Xda0VUrLZg53Bz0mKbhF0S4Nm2P0YtoVL7o5e+p5GgXU 642A== X-Gm-Message-State: APjAAAXg0JjdDMe6tR4H0ZED6r7pX2WjNKIUBgwUld25EXrYqxSds3eD W+pek9uWjD1dmwvPsICW94c2J9Ln7Lb0eINe08RouXz7+Me6dXFGSxd2V/rnrETlj4yiIBUPBcc gnIBAksNtLmqK0JGlsUOI2/K6zA+O X-Received: by 2002:a37:f605:: with SMTP id y5mr2957978qkj.288.1573134659998; Thu, 07 Nov 2019 05:50:59 -0800 (PST) X-Google-Smtp-Source: APXvYqwR0XN8Xkg7npgZmypT2TC+6FrvcOeN+9aUQy/VsChc7srS+8pQqGTXKUbO8NQlTjtab+Vs0A== X-Received: by 2002:a37:f605:: with SMTP id y5mr2957932qkj.288.1573134659680; Thu, 07 Nov 2019 05:50:59 -0800 (PST) Received: from redhat.com (bzq-79-178-12-128.red.bezeqint.net. [79.178.12.128]) by smtp.gmail.com with ESMTPSA id p3sm1052072qkf.107.2019.11.07.05.50.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 07 Nov 2019 05:50:58 -0800 (PST) Date: Thu, 7 Nov 2019 08:50:46 -0500 From: "Michael S. Tsirkin" To: Jason Wang Subject: Re: [PATCH V10 6/6] docs: sample driver to demonstrate how to implement virtio-mdev framework Message-ID: <20191107085013-mutt-send-email-mst@kernel.org> References: <20191106133531.693-1-jasowang@redhat.com> <20191106133531.693-7-jasowang@redhat.com> <20191107040700-mutt-send-email-mst@kernel.org> <20191107061942-mutt-send-email-mst@kernel.org> <20191107080834-mutt-send-email-mst@kernel.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: stefanha@redhat.com, christophe.de.dinechin@gmail.com, kvm@vger.kernel.org, airlied@linux.ie, heiko.carstens@de.ibm.com, kevin.tian@intel.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, zhi.a.wang@intel.com, farman@linux.ibm.com, idos@mellanox.com, gor@linux.ibm.com, intel-gfx@lists.freedesktop.org, alex.williamson@redhat.com, xiao.w.wang@intel.com, freude@linux.ibm.com, parav@mellanox.com, zhihong.wang@intel.com, rodrigo.vivi@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: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Message-ID: <20191107135046.IYPtwmQBy16neDCoKP92uyb9nmEIJWf7GHe4hD3VlEA@z> T24gVGh1LCBOb3YgMDcsIDIwMTkgYXQgMDk6MzI6MjlQTSArMDgwMCwgSmFzb24gV2FuZyB3cm90 ZToKPiAKPiBPbiAyMDE5LzExLzcg5LiL5Y2IOTowOCwgTWljaGFlbCBTLiBUc2lya2luIHdyb3Rl Ogo+ID4gT24gVGh1LCBOb3YgMDcsIDIwMTkgYXQgMDg6NDM6MjlQTSArMDgwMCwgSmFzb24gV2Fu ZyB3cm90ZToKPiA+ID4gT24gMjAxOS8xMS83IOS4i+WNiDc6MjEsIE1pY2hhZWwgUy4gVHNpcmtp biB3cm90ZToKPiA+ID4gPiBPbiBUaHUsIE5vdiAwNywgMjAxOSBhdCAwNjoxODo0NVBNICswODAw LCBKYXNvbiBXYW5nIHdyb3RlOgo+ID4gPiA+ID4gT24gMjAxOS8xMS83IOS4i+WNiDU6MDgsIE1p Y2hhZWwgUy4gVHNpcmtpbiB3cm90ZToKPiA+ID4gPiA+ID4gT24gV2VkLCBOb3YgMDYsIDIwMTkg YXQgMDk6MzU6MzFQTSArMDgwMCwgSmFzb24gV2FuZyB3cm90ZToKPiA+ID4gPiA+ID4gPiBUaGlz IHNhbXBsZSBkcml2ZXIgY3JlYXRlcyBtZGV2IGRldmljZSB0aGF0IHNpbXVsYXRlIHZpcnRpbyBu ZXQgZGV2aWNlCj4gPiA+ID4gPiA+ID4gb3ZlciB2aXJ0aW8gbWRldiB0cmFuc3BvcnQuIFRoZSBk ZXZpY2UgaXMgaW1wbGVtZW50ZWQgdGhyb3VnaCB2cmluZ2gKPiA+ID4gPiA+ID4gPiBhbmQgd29y a3F1ZXVlLiBBIGRldmljZSBzcGVjaWZpYyBkbWEgb3BzIGlzIHRvIG1ha2Ugc3VyZSBIVkEgaXMg dXNlZAo+ID4gPiA+ID4gPiA+IGRpcmVjdGx5IGFzIHRoZSBJT1ZBLiBUaGlzIHNob3VsZCBiZSBz dWZmaWNpZW50IGZvciBrZXJuZWwgdmlydGlvCj4gPiA+ID4gPiA+ID4gZHJpdmVyIHRvIHdvcmsu Cj4gPiA+ID4gPiA+ID4gCj4gPiA+ID4gPiA+ID4gT25seSAndmlydGlvJyB0eXBlIGlzIHN1cHBv cnRlZCByaWdodCBub3cuIEkgcGxhbiB0byBhZGQgJ3Zob3N0JyB0eXBlCj4gPiA+ID4gPiA+ID4g b24gdG9wIHdoaWNoIHJlcXVpcmVzIHNvbWUgdmlydHVhbCBJT01NVSBpbXBsZW1lbnRlZCBpbiB0 aGlzIHNhbXBsZQo+ID4gPiA+ID4gPiA+IGRyaXZlci4KPiA+ID4gPiA+ID4gPiAKPiA+ID4gPiA+ ID4gPiBBY2tlZC1ieTogQ29ybmVsaWEgSHVjazxjb2h1Y2tAcmVkaGF0LmNvbT4KPiA+ID4gPiA+ ID4gPiBTaWduZWQtb2ZmLWJ5OiBKYXNvbiBXYW5nPGphc293YW5nQHJlZGhhdC5jb20+Cj4gPiA+ ID4gPiA+IEknZCBwcmVmZXIgaXQgdGhhdCB3ZSBjYWxsIHRoaXMgc29tZXRoaW5nIGVsc2UsIGUu Zy4KPiA+ID4gPiA+ID4gbXZuZXQtbG9vcGJhY2suIEp1c3Qgc28gcGVvcGxlIGRvbid0IGV4cGVj dCBhIGZ1bGx5Cj4gPiA+ID4gPiA+IGZ1bmN0aW9uYWwgZGV2aWNlIHNvbWVob3cuIENhbiBiZSBy ZW5hbWVkIHdoZW4gYXBwbHlpbmc/Cj4gPiA+ID4gPiBBY3R1YWxseSwgSSBwbGFuIHRvIGV4dGVu ZCBpdCBhcyBhbm90aGVyIHN0YW5kYXJkIG5ldHdvcmsgaW50ZXJmYWNlIGZvcgo+ID4gPiA+ID4g a2VybmVsLiBJdCBjb3VsZCBiZSBlaXRoZXIgYSBzdGFuZGFsb25lIHBzZXVkbyBkZXZpY2Ugb3Ig YSBzdGFjayBkZXZpY2UuCj4gPiA+ID4gPiBEb2VzIHRoaXMgc291bmRzIGdvb2QgdG8geW91Pwo+ ID4gPiA+ID4gCj4gPiA+ID4gPiBUaGFua3MKPiA+ID4gPiBUaGF0J3MgYSBiaWcgY2hhbmdlIGlu IGFuIGludGVyZmFjZSBzbyBpdCdzIGEgZ29vZCByZWFzb24KPiA+ID4gPiB0byByZW5hbWUgdGhl IGRyaXZlciBhdCB0aGF0IHBvaW50IHJpZ2h0Pwo+ID4gPiA+IE9oZXJ3aXNlIHVzZXJzIG9mIGFu IG9sZCBrZXJuZWwgd291bGQgZXhwZWN0IGEgc3RhY2tlZCBkcml2ZXIKPiA+ID4gPiBhbmQgZ2V0 IGEgbG9vcGJhY2sgaW5zdGVhZC4KPiA+ID4gPiAKPiA+ID4gPiBPciBkaWQgSSBtaXNzIHNvbWV0 aGluZz8KPiA+ID4gCj4gPiA+IE15IHVuZGVyc3RhbmRpbmcgaXMgdGhhdCBpdCB3YXMgYSBzYW1w bGUgZHJpdmVyIGluIC9kb2MuIEl0IHNob3VsZCBub3QgYmUKPiA+ID4gdXNlZCBpbiBwcm9kdWN0 aW9uIGVudmlyb25tZW50LiBPdGhlcndpc2Ugd2UgbmVlZCB0byBtb3ZlIGl0IHRvCj4gPiA+IGRy aXZlci92aXJ0aW8uCj4gPiA+IAo+ID4gPiBCdXQgaWYgeW91IGluc2lzdCwgSSBjYW4gcG9zdCBh IFYxMS4KPiA+ID4gCj4gPiA+IFRoYW5rcwo+ID4gdGhpcyBjYW4gYmUgYSBwYXRjaCBvbiB0b3Au Cj4gCj4gCj4gVGhlbiBtYXliZSBpdCdzIGJldHRlciBqdXN0IGV4dGVuZCBpdCB0byB3b3JrIGFz IGEgbm9ybWFsIG5ldHdvcmtpbmcgZGV2aWNlCj4gb24gdG9wPwo+IAo+IFRoYW5rcwoKVGhhdCB3 b3VsZCBiZSBhIHN1YnN0YW50aWFsIGNoYW5nZS4gTWF5YmUgZHJvcCA2LzYgZm9yIG5vdyB1bnRp bAp3ZSBoYXZlIGEgYmV0dGVyIGhhbmRsZSBvbiB0aGlzPwoKX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX18KZHJpLWRldmVsIG1haWxpbmcgbGlzdApkcmktZGV2 ZWxAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21h aWxtYW4vbGlzdGluZm8vZHJpLWRldmVs 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=-3.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,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 E3CC9C5DF61 for ; 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[79.178.12.128]) by smtp.gmail.com with ESMTPSA id p3sm1052072qkf.107.2019.11.07.05.50.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 07 Nov 2019 05:50:58 -0800 (PST) Date: Thu, 7 Nov 2019 08:50:46 -0500 From: "Michael S. Tsirkin" To: Jason Wang Message-ID: <20191107085013-mutt-send-email-mst@kernel.org> References: <20191106133531.693-1-jasowang@redhat.com> <20191106133531.693-7-jasowang@redhat.com> <20191107040700-mutt-send-email-mst@kernel.org> <20191107061942-mutt-send-email-mst@kernel.org> <20191107080834-mutt-send-email-mst@kernel.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: Subject: Re: [Intel-gfx] [PATCH V10 6/6] docs: sample driver to demonstrate how to implement virtio-mdev framework 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, 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: <20191107135046.GHrPULuKE2lmqNKx4AmVmXYvHOoQhtWqNrsnrMgdC3M@z> T24gVGh1LCBOb3YgMDcsIDIwMTkgYXQgMDk6MzI6MjlQTSArMDgwMCwgSmFzb24gV2FuZyB3cm90 ZToKPiAKPiBPbiAyMDE5LzExLzcg5LiL5Y2IOTowOCwgTWljaGFlbCBTLiBUc2lya2luIHdyb3Rl Ogo+ID4gT24gVGh1LCBOb3YgMDcsIDIwMTkgYXQgMDg6NDM6MjlQTSArMDgwMCwgSmFzb24gV2Fu ZyB3cm90ZToKPiA+ID4gT24gMjAxOS8xMS83IOS4i+WNiDc6MjEsIE1pY2hhZWwgUy4gVHNpcmtp biB3cm90ZToKPiA+ID4gPiBPbiBUaHUsIE5vdiAwNywgMjAxOSBhdCAwNjoxODo0NVBNICswODAw LCBKYXNvbiBXYW5nIHdyb3RlOgo+ID4gPiA+ID4gT24gMjAxOS8xMS83IOS4i+WNiDU6MDgsIE1p Y2hhZWwgUy4gVHNpcmtpbiB3cm90ZToKPiA+ID4gPiA+ID4gT24gV2VkLCBOb3YgMDYsIDIwMTkg YXQgMDk6MzU6MzFQTSArMDgwMCwgSmFzb24gV2FuZyB3cm90ZToKPiA+ID4gPiA+ID4gPiBUaGlz IHNhbXBsZSBkcml2ZXIgY3JlYXRlcyBtZGV2IGRldmljZSB0aGF0IHNpbXVsYXRlIHZpcnRpbyBu ZXQgZGV2aWNlCj4gPiA+ID4gPiA+ID4gb3ZlciB2aXJ0aW8gbWRldiB0cmFuc3BvcnQuIFRoZSBk ZXZpY2UgaXMgaW1wbGVtZW50ZWQgdGhyb3VnaCB2cmluZ2gKPiA+ID4gPiA+ID4gPiBhbmQgd29y a3F1ZXVlLiBBIGRldmljZSBzcGVjaWZpYyBkbWEgb3BzIGlzIHRvIG1ha2Ugc3VyZSBIVkEgaXMg dXNlZAo+ID4gPiA+ID4gPiA+IGRpcmVjdGx5IGFzIHRoZSBJT1ZBLiBUaGlzIHNob3VsZCBiZSBz dWZmaWNpZW50IGZvciBrZXJuZWwgdmlydGlvCj4gPiA+ID4gPiA+ID4gZHJpdmVyIHRvIHdvcmsu Cj4gPiA+ID4gPiA+ID4gCj4gPiA+ID4gPiA+ID4gT25seSAndmlydGlvJyB0eXBlIGlzIHN1cHBv cnRlZCByaWdodCBub3cuIEkgcGxhbiB0byBhZGQgJ3Zob3N0JyB0eXBlCj4gPiA+ID4gPiA+ID4g b24gdG9wIHdoaWNoIHJlcXVpcmVzIHNvbWUgdmlydHVhbCBJT01NVSBpbXBsZW1lbnRlZCBpbiB0 aGlzIHNhbXBsZQo+ID4gPiA+ID4gPiA+IGRyaXZlci4KPiA+ID4gPiA+ID4gPiAKPiA+ID4gPiA+ ID4gPiBBY2tlZC1ieTogQ29ybmVsaWEgSHVjazxjb2h1Y2tAcmVkaGF0LmNvbT4KPiA+ID4gPiA+ ID4gPiBTaWduZWQtb2ZmLWJ5OiBKYXNvbiBXYW5nPGphc293YW5nQHJlZGhhdC5jb20+Cj4gPiA+ ID4gPiA+IEknZCBwcmVmZXIgaXQgdGhhdCB3ZSBjYWxsIHRoaXMgc29tZXRoaW5nIGVsc2UsIGUu Zy4KPiA+ID4gPiA+ID4gbXZuZXQtbG9vcGJhY2suIEp1c3Qgc28gcGVvcGxlIGRvbid0IGV4cGVj dCBhIGZ1bGx5Cj4gPiA+ID4gPiA+IGZ1bmN0aW9uYWwgZGV2aWNlIHNvbWVob3cuIENhbiBiZSBy ZW5hbWVkIHdoZW4gYXBwbHlpbmc/Cj4gPiA+ID4gPiBBY3R1YWxseSwgSSBwbGFuIHRvIGV4dGVu ZCBpdCBhcyBhbm90aGVyIHN0YW5kYXJkIG5ldHdvcmsgaW50ZXJmYWNlIGZvcgo+ID4gPiA+ID4g a2VybmVsLiBJdCBjb3VsZCBiZSBlaXRoZXIgYSBzdGFuZGFsb25lIHBzZXVkbyBkZXZpY2Ugb3Ig YSBzdGFjayBkZXZpY2UuCj4gPiA+ID4gPiBEb2VzIHRoaXMgc291bmRzIGdvb2QgdG8geW91Pwo+ ID4gPiA+ID4gCj4gPiA+ID4gPiBUaGFua3MKPiA+ID4gPiBUaGF0J3MgYSBiaWcgY2hhbmdlIGlu IGFuIGludGVyZmFjZSBzbyBpdCdzIGEgZ29vZCByZWFzb24KPiA+ID4gPiB0byByZW5hbWUgdGhl IGRyaXZlciBhdCB0aGF0IHBvaW50IHJpZ2h0Pwo+ID4gPiA+IE9oZXJ3aXNlIHVzZXJzIG9mIGFu IG9sZCBrZXJuZWwgd291bGQgZXhwZWN0IGEgc3RhY2tlZCBkcml2ZXIKPiA+ID4gPiBhbmQgZ2V0 IGEgbG9vcGJhY2sgaW5zdGVhZC4KPiA+ID4gPiAKPiA+ID4gPiBPciBkaWQgSSBtaXNzIHNvbWV0 aGluZz8KPiA+ID4gCj4gPiA+IE15IHVuZGVyc3RhbmRpbmcgaXMgdGhhdCBpdCB3YXMgYSBzYW1w bGUgZHJpdmVyIGluIC9kb2MuIEl0IHNob3VsZCBub3QgYmUKPiA+ID4gdXNlZCBpbiBwcm9kdWN0 aW9uIGVudmlyb25tZW50LiBPdGhlcndpc2Ugd2UgbmVlZCB0byBtb3ZlIGl0IHRvCj4gPiA+IGRy aXZlci92aXJ0aW8uCj4gPiA+IAo+ID4gPiBCdXQgaWYgeW91IGluc2lzdCwgSSBjYW4gcG9zdCBh IFYxMS4KPiA+ID4gCj4gPiA+IFRoYW5rcwo+ID4gdGhpcyBjYW4gYmUgYSBwYXRjaCBvbiB0b3Au Cj4gCj4gCj4gVGhlbiBtYXliZSBpdCdzIGJldHRlciBqdXN0IGV4dGVuZCBpdCB0byB3b3JrIGFz IGEgbm9ybWFsIG5ldHdvcmtpbmcgZGV2aWNlCj4gb24gdG9wPwo+IAo+IFRoYW5rcwoKVGhhdCB3 b3VsZCBiZSBhIHN1YnN0YW50aWFsIGNoYW5nZS4gTWF5YmUgZHJvcCA2LzYgZm9yIG5vdyB1bnRp bAp3ZSBoYXZlIGEgYmV0dGVyIGhhbmRsZSBvbiB0aGlzPwoKX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJbnRlbC1n ZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21h aWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4