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Tsirkin" , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Hans de Goede , Mark Gross , Vadim Pasternak , Bjorn Andersson , Mathieu Poirier , Cornelia Huck , Halil Pasic , Eric Farman , Heiko Carstens , Vasily Gorbik , Alexander Gordeev , Christian Borntraeger , Sven Schnelle , Alexei Starovoitov , Daniel Borkmann , Jesper Dangaard Brouer , John Fastabend , Vincent Whitchurch , linux-um@lists.infradead.org, netdev@vger.kernel.org, platform-driver-x86@vger.kernel.org, linux-remoteproc@vger.kernel.org, linux-s390@vger.kernel.org, kvm@vger.kernel.org, bpf@vger.kernel.org, kangjie.xu@linux.alibaba.com References: <20220629065656.54420-1-xuanzhuo@linux.alibaba.com> <20220629065656.54420-25-xuanzhuo@linux.alibaba.com> From: Jason Wang In-Reply-To: <20220629065656.54420-25-xuanzhuo@linux.alibaba.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-remoteproc@vger.kernel.org 在 2022/6/29 14:56, Xuan Zhuo 写道: > Add queue_notify_data in struct virtio_pci_common_cfg, which comes from > here https://github.com/oasis-tcs/virtio-spec/issues/89 > > Since I want to add queue_reset after queue_notify_data, I submitted > this patch first. > > Signed-off-by: Xuan Zhuo > Acked-by: Jason Wang > --- > include/linux/virtio_pci_modern.h | 2 ++ > include/uapi/linux/virtio_pci.h | 1 + > 2 files changed, 3 insertions(+) > > diff --git a/include/linux/virtio_pci_modern.h b/include/linux/virtio_pci_modern.h > index c4f7ffbacb4e..9f31dde46f57 100644 > --- a/include/linux/virtio_pci_modern.h > +++ b/include/linux/virtio_pci_modern.h > @@ -29,6 +29,8 @@ struct virtio_pci_common_cfg { > __le32 queue_avail_hi; /* read-write */ > __le32 queue_used_lo; /* read-write */ > __le32 queue_used_hi; /* read-write */ > + __le16 queue_notify_data; /* read-write */ > + __le16 padding; > }; As previous patch, I think it's better to simple embed the uAPI structure here. Thanks > > struct virtio_pci_modern_device { > diff --git a/include/uapi/linux/virtio_pci.h b/include/uapi/linux/virtio_pci.h > index 247ec42af2c8..748b3eb62d2f 100644 > --- a/include/uapi/linux/virtio_pci.h > +++ b/include/uapi/linux/virtio_pci.h > @@ -176,6 +176,7 @@ struct virtio_pci_cfg_cap { > #define VIRTIO_PCI_COMMON_Q_AVAILHI 44 > #define VIRTIO_PCI_COMMON_Q_USEDLO 48 > #define VIRTIO_PCI_COMMON_Q_USEDHI 52 > +#define VIRTIO_PCI_COMMON_Q_NDATA 56 > > #endif /* VIRTIO_PCI_NO_MODERN */ > 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 Received: from smtp3.osuosl.org (smtp3.osuosl.org [140.211.166.136]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id AC866CCA480 for ; Fri, 1 Jul 2022 09:34:32 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp3.osuosl.org (Postfix) with ESMTP id 459C361016; 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Fri, 01 Jul 2022 02:34:23 -0700 (PDT) Received: from [10.72.13.237] ([209.132.188.80]) by smtp.gmail.com with ESMTPSA id x1-20020a636301000000b004085adf1372sm14860507pgb.77.2022.07.01.02.34.14 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 01 Jul 2022 02:34:23 -0700 (PDT) Message-ID: <10281add-4d72-efe6-e94d-1f19ced9cb27@redhat.com> Date: Fri, 1 Jul 2022 17:34:12 +0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:91.0) Gecko/20100101 Thunderbird/91.11.0 Subject: Re: [PATCH v11 24/40] virtio_pci: struct virtio_pci_common_cfg add queue_notify_data To: Xuan Zhuo , virtualization@lists.linux-foundation.org References: <20220629065656.54420-1-xuanzhuo@linux.alibaba.com> <20220629065656.54420-25-xuanzhuo@linux.alibaba.com> From: Jason Wang In-Reply-To: <20220629065656.54420-25-xuanzhuo@linux.alibaba.com> Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=jasowang@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Language: en-US Cc: Vadim Pasternak , "Michael S. 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Miller" X-BeenThere: virtualization@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Linux virtualization List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Errors-To: virtualization-bounces@lists.linux-foundation.org Sender: "Virtualization" CuWcqCAyMDIyLzYvMjkgMTQ6NTYsIFh1YW4gWmh1byDlhpnpgZM6Cj4gQWRkIHF1ZXVlX25vdGlm eV9kYXRhIGluIHN0cnVjdCB2aXJ0aW9fcGNpX2NvbW1vbl9jZmcsIHdoaWNoIGNvbWVzIGZyb20K PiBoZXJlIGh0dHBzOi8vZ2l0aHViLmNvbS9vYXNpcy10Y3MvdmlydGlvLXNwZWMvaXNzdWVzLzg5 Cj4KPiBTaW5jZSBJIHdhbnQgdG8gYWRkIHF1ZXVlX3Jlc2V0IGFmdGVyIHF1ZXVlX25vdGlmeV9k YXRhLCBJIHN1Ym1pdHRlZAo+IHRoaXMgcGF0Y2ggZmlyc3QuCj4KPiBTaWduZWQtb2ZmLWJ5OiBY dWFuIFpodW8gPHh1YW56aHVvQGxpbnV4LmFsaWJhYmEuY29tPgo+IEFja2VkLWJ5OiBKYXNvbiBX YW5nIDxqYXNvd2FuZ0ByZWRoYXQuY29tPgo+IC0tLQo+ICAgaW5jbHVkZS9saW51eC92aXJ0aW9f cGNpX21vZGVybi5oIHwgMiArKwo+ICAgaW5jbHVkZS91YXBpL2xpbnV4L3ZpcnRpb19wY2kuaCAg IHwgMSArCj4gICAyIGZpbGVzIGNoYW5nZWQsIDMgaW5zZXJ0aW9ucygrKQo+Cj4gZGlmZiAtLWdp dCBhL2luY2x1ZGUvbGludXgvdmlydGlvX3BjaV9tb2Rlcm4uaCBiL2luY2x1ZGUvbGludXgvdmly dGlvX3BjaV9tb2Rlcm4uaAo+IGluZGV4IGM0ZjdmZmJhY2I0ZS4uOWYzMWRkZTQ2ZjU3IDEwMDY0 NAo+IC0tLSBhL2luY2x1ZGUvbGludXgvdmlydGlvX3BjaV9tb2Rlcm4uaAo+ICsrKyBiL2luY2x1 ZGUvbGludXgvdmlydGlvX3BjaV9tb2Rlcm4uaAo+IEBAIC0yOSw2ICsyOSw4IEBAIHN0cnVjdCB2 aXJ0aW9fcGNpX2NvbW1vbl9jZmcgewo+ICAgCV9fbGUzMiBxdWV1ZV9hdmFpbF9oaTsJCS8qIHJl YWQtd3JpdGUgKi8KPiAgIAlfX2xlMzIgcXVldWVfdXNlZF9sbzsJCS8qIHJlYWQtd3JpdGUgKi8K PiAgIAlfX2xlMzIgcXVldWVfdXNlZF9oaTsJCS8qIHJlYWQtd3JpdGUgKi8KPiArCV9fbGUxNiBx dWV1ZV9ub3RpZnlfZGF0YTsJLyogcmVhZC13cml0ZSAqLwo+ICsJX19sZTE2IHBhZGRpbmc7Cj4g ICB9OwoKCkFzIHByZXZpb3VzIHBhdGNoLCBJIHRoaW5rIGl0J3MgYmV0dGVyIHRvIHNpbXBsZSBl bWJlZCB0aGUgdUFQSSAKc3RydWN0dXJlIGhlcmUuCgpUaGFua3MKCgo+ICAgCj4gICBzdHJ1Y3Qg dmlydGlvX3BjaV9tb2Rlcm5fZGV2aWNlIHsKPiBkaWZmIC0tZ2l0IGEvaW5jbHVkZS91YXBpL2xp bnV4L3ZpcnRpb19wY2kuaCBiL2luY2x1ZGUvdWFwaS9saW51eC92aXJ0aW9fcGNpLmgKPiBpbmRl eCAyNDdlYzQyYWYyYzguLjc0OGIzZWI2MmQyZiAxMDA2NDQKPiAtLS0gYS9pbmNsdWRlL3VhcGkv bGludXgvdmlydGlvX3BjaS5oCj4gKysrIGIvaW5jbHVkZS91YXBpL2xpbnV4L3ZpcnRpb19wY2ku aAo+IEBAIC0xNzYsNiArMTc2LDcgQEAgc3RydWN0IHZpcnRpb19wY2lfY2ZnX2NhcCB7Cj4gICAj ZGVmaW5lIFZJUlRJT19QQ0lfQ09NTU9OX1FfQVZBSUxISQk0NAo+ICAgI2RlZmluZSBWSVJUSU9f UENJX0NPTU1PTl9RX1VTRURMTwk0OAo+ICAgI2RlZmluZSBWSVJUSU9fUENJX0NPTU1PTl9RX1VT RURISQk1Mgo+ICsjZGVmaW5lIFZJUlRJT19QQ0lfQ09NTU9OX1FfTkRBVEEJNTYKPiAgIAo+ICAg I2VuZGlmIC8qIFZJUlRJT19QQ0lfTk9fTU9ERVJOICovCj4gICAKCl9fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fClZpcnR1YWxpemF0aW9uIG1haWxpbmcgbGlz dApWaXJ0dWFsaXphdGlvbkBsaXN0cy5saW51eC1mb3VuZGF0aW9uLm9yZwpodHRwczovL2xpc3Rz LmxpbnV4Zm91bmRhdGlvbi5vcmcvbWFpbG1hbi9saXN0aW5mby92aXJ0dWFsaXphdGlvbg== From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1o7D2h-003syp-HQ for linux-um@lists.infradead.org; Fri, 01 Jul 2022 09:34:30 +0000 Received: by mail-pl1-f197.google.com with SMTP id h18-20020a170902f55200b0016a4a78bd71so1207586plf.9 for ; Fri, 01 Jul 2022 02:34:25 -0700 (PDT) Message-ID: <10281add-4d72-efe6-e94d-1f19ced9cb27@redhat.com> Date: Fri, 1 Jul 2022 17:34:12 +0800 MIME-Version: 1.0 Subject: Re: [PATCH v11 24/40] virtio_pci: struct virtio_pci_common_cfg add queue_notify_data References: <20220629065656.54420-1-xuanzhuo@linux.alibaba.com> <20220629065656.54420-25-xuanzhuo@linux.alibaba.com> From: Jason Wang In-Reply-To: <20220629065656.54420-25-xuanzhuo@linux.alibaba.com> Content-Language: en-US List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Sender: "linux-um" Errors-To: linux-um-bounces+geert=linux-m68k.org@lists.infradead.org To: Xuan Zhuo , virtualization@lists.linux-foundation.org Cc: Richard Weinberger , Anton Ivanov , Johannes Berg , "Michael S. Tsirkin" , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Hans de Goede , Mark Gross , Vadim Pasternak , Bjorn Andersson , Mathieu Poirier , Cornelia Huck , Halil Pasic , Eric Farman , Heiko Carstens , Vasily Gorbik , Alexander Gordeev , Christian Borntraeger , Sven Schnelle , Alexei Starovoitov , Daniel Borkmann , Jesper Dangaard Brouer , John Fastabend , Vincent Whitchurch , linux-um@lists.infradead.org, netdev@vger.kernel.org, platform-driver-x86@vger.kernel.org, linux-remoteproc@vger.kernel.org, linux-s390@vger.kernel.org, kvm@vger.kernel.org, bpf@vger.kernel.org, kangjie.xu@linux.alibaba.com CuWcqCAyMDIyLzYvMjkgMTQ6NTYsIFh1YW4gWmh1byDlhpnpgZM6Cj4gQWRkIHF1ZXVlX25vdGlm eV9kYXRhIGluIHN0cnVjdCB2aXJ0aW9fcGNpX2NvbW1vbl9jZmcsIHdoaWNoIGNvbWVzIGZyb20K PiBoZXJlIGh0dHBzOi8vZ2l0aHViLmNvbS9vYXNpcy10Y3MvdmlydGlvLXNwZWMvaXNzdWVzLzg5 Cj4KPiBTaW5jZSBJIHdhbnQgdG8gYWRkIHF1ZXVlX3Jlc2V0IGFmdGVyIHF1ZXVlX25vdGlmeV9k YXRhLCBJIHN1Ym1pdHRlZAo+IHRoaXMgcGF0Y2ggZmlyc3QuCj4KPiBTaWduZWQtb2ZmLWJ5OiBY dWFuIFpodW8gPHh1YW56aHVvQGxpbnV4LmFsaWJhYmEuY29tPgo+IEFja2VkLWJ5OiBKYXNvbiBX YW5nIDxqYXNvd2FuZ0ByZWRoYXQuY29tPgo+IC0tLQo+ICAgaW5jbHVkZS9saW51eC92aXJ0aW9f cGNpX21vZGVybi5oIHwgMiArKwo+ICAgaW5jbHVkZS91YXBpL2xpbnV4L3ZpcnRpb19wY2kuaCAg IHwgMSArCj4gICAyIGZpbGVzIGNoYW5nZWQsIDMgaW5zZXJ0aW9ucygrKQo+Cj4gZGlmZiAtLWdp dCBhL2luY2x1ZGUvbGludXgvdmlydGlvX3BjaV9tb2Rlcm4uaCBiL2luY2x1ZGUvbGludXgvdmly dGlvX3BjaV9tb2Rlcm4uaAo+IGluZGV4IGM0ZjdmZmJhY2I0ZS4uOWYzMWRkZTQ2ZjU3IDEwMDY0 NAo+IC0tLSBhL2luY2x1ZGUvbGludXgvdmlydGlvX3BjaV9tb2Rlcm4uaAo+ICsrKyBiL2luY2x1 ZGUvbGludXgvdmlydGlvX3BjaV9tb2Rlcm4uaAo+IEBAIC0yOSw2ICsyOSw4IEBAIHN0cnVjdCB2 aXJ0aW9fcGNpX2NvbW1vbl9jZmcgewo+ICAgCV9fbGUzMiBxdWV1ZV9hdmFpbF9oaTsJCS8qIHJl YWQtd3JpdGUgKi8KPiAgIAlfX2xlMzIgcXVldWVfdXNlZF9sbzsJCS8qIHJlYWQtd3JpdGUgKi8K PiAgIAlfX2xlMzIgcXVldWVfdXNlZF9oaTsJCS8qIHJlYWQtd3JpdGUgKi8KPiArCV9fbGUxNiBx dWV1ZV9ub3RpZnlfZGF0YTsJLyogcmVhZC13cml0ZSAqLwo+ICsJX19sZTE2IHBhZGRpbmc7Cj4g ICB9OwoKCkFzIHByZXZpb3VzIHBhdGNoLCBJIHRoaW5rIGl0J3MgYmV0dGVyIHRvIHNpbXBsZSBl bWJlZCB0aGUgdUFQSSAKc3RydWN0dXJlIGhlcmUuCgpUaGFua3MKCgo+ICAgCj4gICBzdHJ1Y3Qg dmlydGlvX3BjaV9tb2Rlcm5fZGV2aWNlIHsKPiBkaWZmIC0tZ2l0IGEvaW5jbHVkZS91YXBpL2xp bnV4L3ZpcnRpb19wY2kuaCBiL2luY2x1ZGUvdWFwaS9saW51eC92aXJ0aW9fcGNpLmgKPiBpbmRl eCAyNDdlYzQyYWYyYzguLjc0OGIzZWI2MmQyZiAxMDA2NDQKPiAtLS0gYS9pbmNsdWRlL3VhcGkv bGludXgvdmlydGlvX3BjaS5oCj4gKysrIGIvaW5jbHVkZS91YXBpL2xpbnV4L3ZpcnRpb19wY2ku aAo+IEBAIC0xNzYsNiArMTc2LDcgQEAgc3RydWN0IHZpcnRpb19wY2lfY2ZnX2NhcCB7Cj4gICAj ZGVmaW5lIFZJUlRJT19QQ0lfQ09NTU9OX1FfQVZBSUxISQk0NAo+ICAgI2RlZmluZSBWSVJUSU9f UENJX0NPTU1PTl9RX1VTRURMTwk0OAo+ICAgI2RlZmluZSBWSVJUSU9fUENJX0NPTU1PTl9RX1VT RURISQk1Mgo+ICsjZGVmaW5lIFZJUlRJT19QQ0lfQ09NTU9OX1FfTkRBVEEJNTYKPiAgIAo+ICAg I2VuZGlmIC8qIFZJUlRJT19QQ0lfTk9fTU9ERVJOICovCj4gICAKCgpfX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpsaW51eC11bSBtYWlsaW5nIGxpc3QKbGlu dXgtdW1AbGlzdHMuaW5mcmFkZWFkLm9yZwpodHRwOi8vbGlzdHMuaW5mcmFkZWFkLm9yZy9tYWls bWFuL2xpc3RpbmZvL2xpbnV4LXVtCg==