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 7B827C5DF61 for ; Thu, 7 Nov 2019 13:08:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4F6482075C for ; Thu, 7 Nov 2019 13:08:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388851AbfKGNId (ORCPT ); Thu, 7 Nov 2019 08:08:33 -0500 Received: from mx1.redhat.com ([209.132.183.28]:55412 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388388AbfKGNIc (ORCPT ); Thu, 7 Nov 2019 08:08:32 -0500 Received: from mail-qk1-f199.google.com (mail-qk1-f199.google.com [209.85.222.199]) (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 05EDC87642 for ; Thu, 7 Nov 2019 13:08:32 +0000 (UTC) Received: by mail-qk1-f199.google.com with SMTP id z64so2186751qkc.15 for ; Thu, 07 Nov 2019 05:08:31 -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=tXcdjIfv7WULf2HezusDMoDHkz/54up9J9zs1V5mjUk=; b=p9OQuykUGioCW4PpcwZUOzwquhNxPV1bBbRwGKgM1ujwSHzzD7+YrnsQBPH11Kfd6g OfEBGcwfE7pPzrD5Eaje20/Faub0aI8LMUYxzbVCBpIY1aCSXnkh7lc0GNignxKStrXN uMzzlJVqVPwkAhcE/v9ksu258xbS5nfzaW65vx8Fc/3C9QiLbL+pAvcYIQ5jSyPJSC6i nEA8NPwwjJwSw6H8pehjhBTpC6N5ZD9eQnRglgQo6hcX/HKIJgkf/JqU0WwQ9XPEFRPY Cqby1BaR4qrMWo4WuOFUd6y5QTRNaXOUoj1POsekuY/H9cohRhfSGpQw4ER+rws5q9FN PQYw== X-Gm-Message-State: APjAAAWzZTw8RZnrbDkAGoKNg1sDnIbK34T2bIQ5FyempbhcGeOgot36 FXv4vTwWBo3nCvjmK34kFdaS7CSBoPaPbxU4Q1rRQ8bsouEGBORVYhhaXUdBXTp+Lb8D+La0Whd IGL8XttHRyoKeXZSCL/TXR8FF X-Received: by 2002:a0c:e947:: with SMTP id n7mr3315694qvo.103.1573132111122; Thu, 07 Nov 2019 05:08:31 -0800 (PST) X-Google-Smtp-Source: APXvYqxzprSHQlujR1MF9UHe+PqRrS5UswVR63DxA+6BEPw7ceXTuOVmM5LOubh+MnCt3hahFb/kSQ== X-Received: by 2002:a0c:e947:: with SMTP id n7mr3315638qvo.103.1573132110806; Thu, 07 Nov 2019 05:08:30 -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 11sm1387231qtx.45.2019.11.07.05.08.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 07 Nov 2019 05:08:29 -0800 (PST) Date: Thu, 7 Nov 2019 08:08:17 -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, 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: <20191107080721-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> 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 08:47:06PM +0800, Jason Wang wrote: > > On 2019/11/7 下午8:43, 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 > > > Or maybe it's better to rename the type of current mdev from 'virtio' to > 'virtio-loopback'. Then we can add more types in the future. > > Thanks > Maybe but is virtio actually a loopback somehow? I thought we can bind a regular virtio device there, no? -- MST 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 08:08:17 -0500 Message-ID: <20191107080721-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> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Return-path: Content-Disposition: inline In-Reply-To: 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, 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 08:47:06PM +0800, Jason Wang wrote: > > On 2019/11/7 下午8:43, 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 > > > Or maybe it's better to rename the type of current mdev from 'virtio' to > 'virtio-loopback'. Then we can add more types in the future. > > Thanks > Maybe but is virtio actually a loopback somehow? I thought we can bind a regular virtio device there, no? -- MST 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 A3368FC6195 for ; Thu, 7 Nov 2019 13:08:34 +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 832E22075C for ; Thu, 7 Nov 2019 13:08:34 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 832E22075C 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 C44E76F690; Thu, 7 Nov 2019 13:08:33 +0000 (UTC) Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by gabe.freedesktop.org (Postfix) with ESMTPS id 78B0D6F687 for ; Thu, 7 Nov 2019 13:08:32 +0000 (UTC) Received: from mail-qt1-f200.google.com (mail-qt1-f200.google.com [209.85.160.200]) (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 E900F5945C for ; Thu, 7 Nov 2019 13:08:31 +0000 (UTC) Received: by mail-qt1-f200.google.com with SMTP id q54so2482722qtk.15 for ; Thu, 07 Nov 2019 05:08:31 -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=tXcdjIfv7WULf2HezusDMoDHkz/54up9J9zs1V5mjUk=; b=FD5t7pkYZTDuBE+qyx4/tC/V5zY7sz90e6Be2juf0CrwdTGUgl4IyuGs07CCKjLkcd aOIxv48as9CtNFVBSb8rUQEYuuU6LkOb+oowcah42l7Jvy6cbRh60OqVeGcLvi7LNeON pDHJ3CBtPsdtrP0sHpQsShJxxX/ziTTePaeQ9DozFIKu/llyeYJ8pjM7vBy0W2rb5pmR qwkaq1Few8w4i8hwlGsTQ/aQyx4NQ3Sbkgh9vgercvKVfTIpnqeAvL8whnNMRPkhJx6Q cklb00qwcHRQ0DKTEIyXYpnLbh8KtP0psIeSjoxQiGqrEo1Tb60xJXpB8E+n7l5uNIQC /7cg== X-Gm-Message-State: APjAAAXdWiV6AbGn89oD96/JjEwM8iukOtSGCp0HpmQMJCb1XBVj45Zr u94pQ1JmFE7RDfDR9ZSI+ICEw8eU4/brN7YZBPAGPBb+610EoVGFNvec4lz1AzRdsxzgEPBOzf9 3xw0ryGzi9y1nSUwQkw/y7eWB+R52 X-Received: by 2002:a0c:e947:: with SMTP id n7mr3315681qvo.103.1573132111121; Thu, 07 Nov 2019 05:08:31 -0800 (PST) X-Google-Smtp-Source: APXvYqxzprSHQlujR1MF9UHe+PqRrS5UswVR63DxA+6BEPw7ceXTuOVmM5LOubh+MnCt3hahFb/kSQ== X-Received: by 2002:a0c:e947:: with SMTP id n7mr3315638qvo.103.1573132110806; Thu, 07 Nov 2019 05:08:30 -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 11sm1387231qtx.45.2019.11.07.05.08.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 07 Nov 2019 05:08:29 -0800 (PST) Date: Thu, 7 Nov 2019 08:08:17 -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: <20191107080721-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> 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: 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, parav@mellanox.com, gor@linux.ibm.com, intel-gfx@lists.freedesktop.org, alex.williamson@redhat.com, xiao.w.wang@intel.com, freude@linux.ibm.com, stefanha@redhat.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: <20191107130817.sLYOihoK9w-ZjdMD9x181jRhiEFkrJg1F-B58Lhd1Qs@z> T24gVGh1LCBOb3YgMDcsIDIwMTkgYXQgMDg6NDc6MDZQTSArMDgwMCwgSmFzb24gV2FuZyB3cm90 ZToKPiAKPiBPbiAyMDE5LzExLzcg5LiL5Y2IODo0MywgSmFzb24gV2FuZyB3cm90ZToKPiA+IAo+ ID4gT24gMjAxOS8xMS83IOS4i+WNiDc6MjEsIE1pY2hhZWwgUy4gVHNpcmtpbiB3cm90ZToKPiA+ ID4gT24gVGh1LCBOb3YgMDcsIDIwMTkgYXQgMDY6MTg6NDVQTSArMDgwMCwgSmFzb24gV2FuZyB3 cm90ZToKPiA+ID4gPiBPbiAyMDE5LzExLzcg5LiL5Y2INTowOCwgTWljaGFlbCBTLiBUc2lya2lu IHdyb3RlOgo+ID4gPiA+ID4gT24gV2VkLCBOb3YgMDYsIDIwMTkgYXQgMDk6MzU6MzFQTSArMDgw MCwgSmFzb24gV2FuZyB3cm90ZToKPiA+ID4gPiA+ID4gVGhpcyBzYW1wbGUgZHJpdmVyIGNyZWF0 ZXMgbWRldiBkZXZpY2UgdGhhdCBzaW11bGF0ZQo+ID4gPiA+ID4gPiB2aXJ0aW8gbmV0IGRldmlj ZQo+ID4gPiA+ID4gPiBvdmVyIHZpcnRpbyBtZGV2IHRyYW5zcG9ydC4gVGhlIGRldmljZSBpcyBp bXBsZW1lbnRlZCB0aHJvdWdoIHZyaW5naAo+ID4gPiA+ID4gPiBhbmQgd29ya3F1ZXVlLiBBIGRl dmljZSBzcGVjaWZpYyBkbWEgb3BzIGlzIHRvIG1ha2Ugc3VyZSBIVkEgaXMgdXNlZAo+ID4gPiA+ ID4gPiBkaXJlY3RseSBhcyB0aGUgSU9WQS4gVGhpcyBzaG91bGQgYmUgc3VmZmljaWVudCBmb3Ig a2VybmVsIHZpcnRpbwo+ID4gPiA+ID4gPiBkcml2ZXIgdG8gd29yay4KPiA+ID4gPiA+ID4gCj4g PiA+ID4gPiA+IE9ubHkgJ3ZpcnRpbycgdHlwZSBpcyBzdXBwb3J0ZWQgcmlnaHQgbm93LiBJIHBs YW4gdG8gYWRkICd2aG9zdCcgdHlwZQo+ID4gPiA+ID4gPiBvbiB0b3Agd2hpY2ggcmVxdWlyZXMg c29tZSB2aXJ0dWFsIElPTU1VIGltcGxlbWVudGVkIGluIHRoaXMgc2FtcGxlCj4gPiA+ID4gPiA+ IGRyaXZlci4KPiA+ID4gPiA+ID4gCj4gPiA+ID4gPiA+IEFja2VkLWJ5OiBDb3JuZWxpYSBIdWNr PGNvaHVja0ByZWRoYXQuY29tPgo+ID4gPiA+ID4gPiBTaWduZWQtb2ZmLWJ5OiBKYXNvbiBXYW5n PGphc293YW5nQHJlZGhhdC5jb20+Cj4gPiA+ID4gPiBJJ2QgcHJlZmVyIGl0IHRoYXQgd2UgY2Fs bCB0aGlzIHNvbWV0aGluZyBlbHNlLCBlLmcuCj4gPiA+ID4gPiBtdm5ldC1sb29wYmFjay4gSnVz dCBzbyBwZW9wbGUgZG9uJ3QgZXhwZWN0IGEgZnVsbHkKPiA+ID4gPiA+IGZ1bmN0aW9uYWwgZGV2 aWNlIHNvbWVob3cuIENhbiBiZSByZW5hbWVkIHdoZW4gYXBwbHlpbmc/Cj4gPiA+ID4gQWN0dWFs bHksIEkgcGxhbiB0byBleHRlbmQgaXQgYXMgYW5vdGhlciBzdGFuZGFyZCBuZXR3b3JrIGludGVy ZmFjZSBmb3IKPiA+ID4gPiBrZXJuZWwuIEl0IGNvdWxkIGJlIGVpdGhlciBhIHN0YW5kYWxvbmUg cHNldWRvIGRldmljZSBvciBhIHN0YWNrCj4gPiA+ID4gZGV2aWNlLgo+ID4gPiA+IERvZXMgdGhp cyBzb3VuZHMgZ29vZCB0byB5b3U/Cj4gPiA+ID4gCj4gPiA+ID4gVGhhbmtzCj4gPiA+IFRoYXQn cyBhIGJpZyBjaGFuZ2UgaW4gYW4gaW50ZXJmYWNlIHNvIGl0J3MgYSBnb29kIHJlYXNvbgo+ID4g PiB0byByZW5hbWUgdGhlIGRyaXZlciBhdCB0aGF0IHBvaW50IHJpZ2h0Pwo+ID4gPiBPaGVyd2lz ZSB1c2VycyBvZiBhbiBvbGQga2VybmVsIHdvdWxkIGV4cGVjdCBhIHN0YWNrZWQgZHJpdmVyCj4g PiA+IGFuZCBnZXQgYSBsb29wYmFjayBpbnN0ZWFkLgo+ID4gPiAKPiA+ID4gT3IgZGlkIEkgbWlz cyBzb21ldGhpbmc/Cj4gPiAKPiA+IAo+ID4gTXkgdW5kZXJzdGFuZGluZyBpcyB0aGF0IGl0IHdh cyBhIHNhbXBsZSBkcml2ZXIgaW4gL2RvYy4gSXQgc2hvdWxkIG5vdAo+ID4gYmUgdXNlZCBpbiBw cm9kdWN0aW9uIGVudmlyb25tZW50LiBPdGhlcndpc2Ugd2UgbmVlZCB0byBtb3ZlIGl0IHRvCj4g PiBkcml2ZXIvdmlydGlvLgo+ID4gCj4gPiBCdXQgaWYgeW91IGluc2lzdCwgSSBjYW4gcG9zdCBh IFYxMS4KPiA+IAo+ID4gVGhhbmtzCj4gCj4gCj4gT3IgbWF5YmUgaXQncyBiZXR0ZXIgdG8gcmVu YW1lIHRoZSB0eXBlIG9mIGN1cnJlbnQgbWRldiBmcm9tICd2aXJ0aW8nIHRvCj4gJ3ZpcnRpby1s b29wYmFjaycuIFRoZW4gd2UgY2FuIGFkZCBtb3JlIHR5cGVzIGluIHRoZSBmdXR1cmUuCj4gCj4g VGhhbmtzCj4gCgpNYXliZSBidXQgaXMgdmlydGlvIGFjdHVhbGx5IGEgbG9vcGJhY2sgc29tZWhv dz8gSSB0aG91Z2h0IHdlCmNhbiBiaW5kIGEgcmVndWxhciB2aXJ0aW8gZGV2aWNlIHRoZXJlLCBu bz8KCi0tIApNU1QKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X18KZHJpLWRldmVsIG1haWxpbmcgbGlzdApkcmktZGV2ZWxAbGlzdHMuZnJlZWRlc2t0b3Aub3Jn Cmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vZHJpLWRldmVs 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 4B00EC5DF61 for ; 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[79.178.12.128]) by smtp.gmail.com with ESMTPSA id 11sm1387231qtx.45.2019.11.07.05.08.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 07 Nov 2019 05:08:29 -0800 (PST) Date: Thu, 7 Nov 2019 08:08:17 -0500 From: "Michael S. Tsirkin" To: Jason Wang Message-ID: <20191107080721-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> 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: 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, parav@mellanox.com, gor@linux.ibm.com, intel-gfx@lists.freedesktop.org, xiao.w.wang@intel.com, freude@linux.ibm.com, stefanha@redhat.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: <20191107130817.Vch2v-afQFvMIahop2CUZ0Y0L39osJvbQqWi_GY6y-k@z> T24gVGh1LCBOb3YgMDcsIDIwMTkgYXQgMDg6NDc6MDZQTSArMDgwMCwgSmFzb24gV2FuZyB3cm90 ZToKPiAKPiBPbiAyMDE5LzExLzcg5LiL5Y2IODo0MywgSmFzb24gV2FuZyB3cm90ZToKPiA+IAo+ ID4gT24gMjAxOS8xMS83IOS4i+WNiDc6MjEsIE1pY2hhZWwgUy4gVHNpcmtpbiB3cm90ZToKPiA+ ID4gT24gVGh1LCBOb3YgMDcsIDIwMTkgYXQgMDY6MTg6NDVQTSArMDgwMCwgSmFzb24gV2FuZyB3 cm90ZToKPiA+ID4gPiBPbiAyMDE5LzExLzcg5LiL5Y2INTowOCwgTWljaGFlbCBTLiBUc2lya2lu IHdyb3RlOgo+ID4gPiA+ID4gT24gV2VkLCBOb3YgMDYsIDIwMTkgYXQgMDk6MzU6MzFQTSArMDgw MCwgSmFzb24gV2FuZyB3cm90ZToKPiA+ID4gPiA+ID4gVGhpcyBzYW1wbGUgZHJpdmVyIGNyZWF0 ZXMgbWRldiBkZXZpY2UgdGhhdCBzaW11bGF0ZQo+ID4gPiA+ID4gPiB2aXJ0aW8gbmV0IGRldmlj ZQo+ID4gPiA+ID4gPiBvdmVyIHZpcnRpbyBtZGV2IHRyYW5zcG9ydC4gVGhlIGRldmljZSBpcyBp bXBsZW1lbnRlZCB0aHJvdWdoIHZyaW5naAo+ID4gPiA+ID4gPiBhbmQgd29ya3F1ZXVlLiBBIGRl dmljZSBzcGVjaWZpYyBkbWEgb3BzIGlzIHRvIG1ha2Ugc3VyZSBIVkEgaXMgdXNlZAo+ID4gPiA+ ID4gPiBkaXJlY3RseSBhcyB0aGUgSU9WQS4gVGhpcyBzaG91bGQgYmUgc3VmZmljaWVudCBmb3Ig a2VybmVsIHZpcnRpbwo+ID4gPiA+ID4gPiBkcml2ZXIgdG8gd29yay4KPiA+ID4gPiA+ID4gCj4g PiA+ID4gPiA+IE9ubHkgJ3ZpcnRpbycgdHlwZSBpcyBzdXBwb3J0ZWQgcmlnaHQgbm93LiBJIHBs YW4gdG8gYWRkICd2aG9zdCcgdHlwZQo+ID4gPiA+ID4gPiBvbiB0b3Agd2hpY2ggcmVxdWlyZXMg c29tZSB2aXJ0dWFsIElPTU1VIGltcGxlbWVudGVkIGluIHRoaXMgc2FtcGxlCj4gPiA+ID4gPiA+ IGRyaXZlci4KPiA+ID4gPiA+ID4gCj4gPiA+ID4gPiA+IEFja2VkLWJ5OiBDb3JuZWxpYSBIdWNr PGNvaHVja0ByZWRoYXQuY29tPgo+ID4gPiA+ID4gPiBTaWduZWQtb2ZmLWJ5OiBKYXNvbiBXYW5n PGphc293YW5nQHJlZGhhdC5jb20+Cj4gPiA+ID4gPiBJJ2QgcHJlZmVyIGl0IHRoYXQgd2UgY2Fs bCB0aGlzIHNvbWV0aGluZyBlbHNlLCBlLmcuCj4gPiA+ID4gPiBtdm5ldC1sb29wYmFjay4gSnVz dCBzbyBwZW9wbGUgZG9uJ3QgZXhwZWN0IGEgZnVsbHkKPiA+ID4gPiA+IGZ1bmN0aW9uYWwgZGV2 aWNlIHNvbWVob3cuIENhbiBiZSByZW5hbWVkIHdoZW4gYXBwbHlpbmc/Cj4gPiA+ID4gQWN0dWFs bHksIEkgcGxhbiB0byBleHRlbmQgaXQgYXMgYW5vdGhlciBzdGFuZGFyZCBuZXR3b3JrIGludGVy ZmFjZSBmb3IKPiA+ID4gPiBrZXJuZWwuIEl0IGNvdWxkIGJlIGVpdGhlciBhIHN0YW5kYWxvbmUg cHNldWRvIGRldmljZSBvciBhIHN0YWNrCj4gPiA+ID4gZGV2aWNlLgo+ID4gPiA+IERvZXMgdGhp cyBzb3VuZHMgZ29vZCB0byB5b3U/Cj4gPiA+ID4gCj4gPiA+ID4gVGhhbmtzCj4gPiA+IFRoYXQn cyBhIGJpZyBjaGFuZ2UgaW4gYW4gaW50ZXJmYWNlIHNvIGl0J3MgYSBnb29kIHJlYXNvbgo+ID4g PiB0byByZW5hbWUgdGhlIGRyaXZlciBhdCB0aGF0IHBvaW50IHJpZ2h0Pwo+ID4gPiBPaGVyd2lz ZSB1c2VycyBvZiBhbiBvbGQga2VybmVsIHdvdWxkIGV4cGVjdCBhIHN0YWNrZWQgZHJpdmVyCj4g PiA+IGFuZCBnZXQgYSBsb29wYmFjayBpbnN0ZWFkLgo+ID4gPiAKPiA+ID4gT3IgZGlkIEkgbWlz cyBzb21ldGhpbmc/Cj4gPiAKPiA+IAo+ID4gTXkgdW5kZXJzdGFuZGluZyBpcyB0aGF0IGl0IHdh cyBhIHNhbXBsZSBkcml2ZXIgaW4gL2RvYy4gSXQgc2hvdWxkIG5vdAo+ID4gYmUgdXNlZCBpbiBw cm9kdWN0aW9uIGVudmlyb25tZW50LiBPdGhlcndpc2Ugd2UgbmVlZCB0byBtb3ZlIGl0IHRvCj4g PiBkcml2ZXIvdmlydGlvLgo+ID4gCj4gPiBCdXQgaWYgeW91IGluc2lzdCwgSSBjYW4gcG9zdCBh IFYxMS4KPiA+IAo+ID4gVGhhbmtzCj4gCj4gCj4gT3IgbWF5YmUgaXQncyBiZXR0ZXIgdG8gcmVu YW1lIHRoZSB0eXBlIG9mIGN1cnJlbnQgbWRldiBmcm9tICd2aXJ0aW8nIHRvCj4gJ3ZpcnRpby1s b29wYmFjaycuIFRoZW4gd2UgY2FuIGFkZCBtb3JlIHR5cGVzIGluIHRoZSBmdXR1cmUuCj4gCj4g VGhhbmtzCj4gCgpNYXliZSBidXQgaXMgdmlydGlvIGFjdHVhbGx5IGEgbG9vcGJhY2sgc29tZWhv dz8gSSB0aG91Z2h0IHdlCmNhbiBiaW5kIGEgcmVndWxhciB2aXJ0aW8gZGV2aWNlIHRoZXJlLCBu bz8KCi0tIApNU1QKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X18KSW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJbnRlbC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3Jn Cmh0dHBzOi8vbGlzdHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vaW50ZWwtZ2Z4