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bh=WJcUJHvBjXsnwfyTHfgl/jj1ddgQ0Itnc9egQ+dJRPQ=; b=AQIiLiFeolelmOEh3fn+cZyrJ+G9FRqgxo5WQFIrDJs/E3Ej/BK2GAvYx5/HXdbfo6QWL2 V5W7RmCsUkm4u/mcw8Y/6FMXdDwGttT3aITPKp4GvRa95skwXNUvyj+zaz0ul2EvuCw+Vu 68WUR2ilpv+Jv1rVB8XpUtLu0kVN1hQ= X-MC-Unique: 2KI1A4jqPfC8IW3cDF45MQ-1 From: Cindy Lu To: mst@redhat.com, jasowang@redhat.com, qemu-devel@nongnu.org Subject: [PATCH v3 2/5] vhost_net: enable configure interrupt when vhost_net start Date: Tue, 26 Jan 2021 15:42:51 +0800 Message-Id: <20210126074254.3225-3-lulu@redhat.com> In-Reply-To: <20210126074254.3225-1-lulu@redhat.com> References: <20210126074254.3225-1-lulu@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=lulu@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=63.128.21.124; envelope-from=lulu@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -30 X-Spam_score: -3.1 X-Spam_bar: --- X-Spam_report: (-3.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.255, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: lulu@redhat.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @redhat.com) Content-Type: text/plain; charset="utf-8" While peer is vhost vdpa, setup the configure interrupt function vhost_net_start and release the resource when vhost_net_stop Signed-off-by: Cindy Lu --- hw/net/vhost_net.c | 19 ++++++++++++++++++- 1 file changed, 18 insertions(+), 1 deletion(-) diff --git a/hw/net/vhost_net.c b/hw/net/vhost_net.c index 24d555e764..0660da474a 100644 --- a/hw/net/vhost_net.c +++ b/hw/net/vhost_net.c @@ -345,6 +345,15 @@ int vhost_net_start(VirtIODevice *dev, NetClientState = *ncs, error_report("Error binding guest notifier: %d", -r); goto err; } + if (ncs->peer && ncs->peer->info->type =3D=3D NET_CLIENT_DRIVER_VHOST_= VDPA) { + if (k->set_config_notifiers) { + r =3D k->set_config_notifiers(qbus->parent, true); + if (r < 0) { + error_report("Error binding config notifier: %d", -r); + goto err; + } + } + } =20 for (i =3D 0; i < total_queues; i++) { peer =3D qemu_get_peer(ncs, i); @@ -391,7 +400,15 @@ void vhost_net_stop(VirtIODevice *dev, NetClientState = *ncs, for (i =3D 0; i < total_queues; i++) { vhost_net_stop_one(get_vhost_net(ncs[i].peer), dev); } - + if (ncs->peer && ncs->peer->info->type =3D=3D NET_CLIENT_DRIVER_VHOST_V= DPA) { + if (k->set_config_notifiers) { + r =3D k->set_config_notifiers(qbus->parent, false); + if (r < 0) { + error_report("Error unbinding config notifier: %d", -r); + } + assert(r >=3D 0); + } + } r =3D k->set_guest_notifiers(qbus->parent, total_queues * 2, false); if (r < 0) { fprintf(stderr, "vhost guest notifier cleanup failed: %d\n", r); --=20 2.21.3