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Fri, 28 Jan 2022 23:57:17 -0800 (PST) Received: from [10.72.12.112] ([209.132.188.80]) by smtp.gmail.com with ESMTPSA id k12sm11998772pfc.107.2022.01.28.23.57.10 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 28 Jan 2022 23:57:16 -0800 (PST) Message-ID: <05ff460b-1d9a-935b-8a1d-28ba0b5be8b8@redhat.com> Date: Sat, 29 Jan 2022 15:57:07 +0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:91.0) Gecko/20100101 Thunderbird/91.5.0 Subject: Re: [PATCH 07/31] vhost: dd vhost_svq_get_svq_call_notifier To: =?UTF-8?Q?Eugenio_P=c3=a9rez?= , qemu-devel@nongnu.org References: <20220121202733.404989-1-eperezma@redhat.com> <20220121202733.404989-8-eperezma@redhat.com> From: Jason Wang In-Reply-To: <20220121202733.404989-8-eperezma@redhat.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 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=170.10.133.124; envelope-from=jasowang@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -29 X-Spam_score: -3.0 X-Spam_bar: --- X-Spam_report: (-3.0 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.167, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, NICE_REPLY_A=-0.001, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Laurent Vivier , Parav Pandit , Cindy Lu , "Michael S. Tsirkin" , Juan Quintela , Richard Henderson , Markus Armbruster , Gautam Dawar , virtualization@lists.linux-foundation.org, Eduardo Habkost , Harpreet Singh Anand , Xiao W Wang , Peter Xu , Stefan Hajnoczi , Eli Cohen , Paolo Bonzini , Zhu Lingshan , Eric Blake , Stefano Garzarella Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" 在 2022/1/22 上午4:27, Eugenio Pérez 写道: > This allows vhost-vdpa device to retrieve device -> svq call eventfd. > > Signed-off-by: Eugenio Pérez What did 'dd' mean in the title? Thanks > --- > hw/virtio/vhost-shadow-virtqueue.h | 2 ++ > hw/virtio/vhost-shadow-virtqueue.c | 12 ++++++++++++ > 2 files changed, 14 insertions(+) > > diff --git a/hw/virtio/vhost-shadow-virtqueue.h b/hw/virtio/vhost-shadow-virtqueue.h > index 4c583a9171..a78234b52b 100644 > --- a/hw/virtio/vhost-shadow-virtqueue.h > +++ b/hw/virtio/vhost-shadow-virtqueue.h > @@ -18,6 +18,8 @@ typedef struct VhostShadowVirtqueue VhostShadowVirtqueue; > void vhost_svq_set_svq_kick_fd(VhostShadowVirtqueue *svq, int svq_kick_fd); > const EventNotifier *vhost_svq_get_dev_kick_notifier( > const VhostShadowVirtqueue *svq); > +const EventNotifier *vhost_svq_get_svq_call_notifier( > + const VhostShadowVirtqueue *svq); > > void vhost_svq_stop(VhostShadowVirtqueue *svq); > > diff --git a/hw/virtio/vhost-shadow-virtqueue.c b/hw/virtio/vhost-shadow-virtqueue.c > index 8991f0b3c3..25fcdf16ec 100644 > --- a/hw/virtio/vhost-shadow-virtqueue.c > +++ b/hw/virtio/vhost-shadow-virtqueue.c > @@ -55,6 +55,18 @@ static void vhost_handle_guest_kick(EventNotifier *n) > event_notifier_set(&svq->hdev_kick); > } > > +/** > + * Obtain the SVQ call notifier, where vhost device notifies SVQ that there > + * exists pending used buffers. > + * > + * @svq Shadow Virtqueue > + */ > +const EventNotifier *vhost_svq_get_svq_call_notifier( > + const VhostShadowVirtqueue *svq) > +{ > + return &svq->hdev_call; > +} > + > /** > * Set a new file descriptor for the guest to kick SVQ and notify for avail > *