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bh=gEbhTrq27MKRtlxLZ9baoi7NU0Rpki416KuFWz21nS0=; b=Y7q1VQm/Xxde8M0viLAyecewkGZszmTtglVNy3q1N9VhOTbT2PTBPj7MO3+2hflVqtt8E8 DLuLGTZSO/vkeezizpRQpvK6bcIUXmqyikNbJF/XS43rj6tsfvM2Rmp+qGbv36vQc4PAG2 64KcmUJfReOJUD4vpYJS/afcsQ08TzQ= X-MC-Unique: pCSBr9yFONmppyedxV1lew-1 From: Cindy Lu To: lulu@redhat.com, mst@redhat.com, jasowang@redhat.com, qemu-devel@nongnu.org Subject: [PATCH v7 03/10] virtio: decouple virtqueue from set notifier fd handler Date: Wed, 2 Jun 2021 11:47:43 +0800 Message-Id: <20210602034750.23377-4-lulu@redhat.com> In-Reply-To: <20210602034750.23377-1-lulu@redhat.com> References: <20210602034750.23377-1-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=216.205.24.124; envelope-from=lulu@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -31 X-Spam_score: -3.2 X-Spam_bar: --- X-Spam_report: (-3.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.371, 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: , 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" To support config interrupt.we need to decouple virtqueue number from virtio_queue_set_guest_notifier_fd_handler, Signed-off-by: Cindy Lu --- hw/s390x/virtio-ccw.c | 6 +++--- hw/virtio/virtio-mmio.c | 4 ++-- hw/virtio/virtio-pci.c | 4 ++-- hw/virtio/virtio.c | 17 +++++++++++------ include/hw/virtio/virtio.h | 2 +- 5 files changed, 19 insertions(+), 14 deletions(-) diff --git a/hw/s390x/virtio-ccw.c b/hw/s390x/virtio-ccw.c index 8195f3546e..58bb5232fd 100644 --- a/hw/s390x/virtio-ccw.c +++ b/hw/s390x/virtio-ccw.c @@ -1028,11 +1028,11 @@ static int virtio_ccw_set_guest_notifier(VirtioCcwD= evice *dev, int n, if (r < 0) { return r; } - virtio_queue_set_guest_notifier_fd_handler(vq, true, with_irqfd); + virtio_set_notifier_fd_handler(vdev, n, true, with_irqfd); if (with_irqfd) { r =3D virtio_ccw_add_irqfd(dev, n); if (r) { - virtio_queue_set_guest_notifier_fd_handler(vq, false, + virtio_set_notifier_fd_handler(vdev, n, false, with_irqfd); return r; } @@ -1056,7 +1056,7 @@ static int virtio_ccw_set_guest_notifier(VirtioCcwDev= ice *dev, int n, if (with_irqfd) { virtio_ccw_remove_irqfd(dev, n); } - virtio_queue_set_guest_notifier_fd_handler(vq, false, with_irqfd); + virtio_set_notifier_fd_handler(vdev, n, false, with_irqfd); event_notifier_cleanup(notifier); } return 0; diff --git a/hw/virtio/virtio-mmio.c b/hw/virtio/virtio-mmio.c index 342c918ea7..13772d52bb 100644 --- a/hw/virtio/virtio-mmio.c +++ b/hw/virtio/virtio-mmio.c @@ -658,9 +658,9 @@ static int virtio_mmio_set_guest_notifier(DeviceState *= d, int n, bool assign, if (r < 0) { return r; } - virtio_queue_set_guest_notifier_fd_handler(vq, true, with_irqfd); + virtio_set_notifier_fd_handler(vdev, n, true, with_irqfd); } else { - virtio_queue_set_guest_notifier_fd_handler(vq, false, with_irqfd); + virtio_set_notifier_fd_handler(vdev, n, false, with_irqfd); event_notifier_cleanup(notifier); } =20 diff --git a/hw/virtio/virtio-pci.c b/hw/virtio/virtio-pci.c index c5c080ec94..6a4ef413a4 100644 --- a/hw/virtio/virtio-pci.c +++ b/hw/virtio/virtio-pci.c @@ -958,9 +958,9 @@ static int virtio_pci_set_guest_notifier(DeviceState *d= , int n, bool assign, if (r < 0) { return r; } - virtio_queue_set_guest_notifier_fd_handler(vq, true, with_irqfd); + virtio_set_notifier_fd_handler(vdev, n, true, with_irqfd); } else { - virtio_queue_set_guest_notifier_fd_handler(vq, false, with_irqfd); + virtio_set_notifier_fd_handler(vdev, n, false, with_irqfd); event_notifier_cleanup(notifier); } =20 diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c index 07f4e60b30..c5d786bb5e 100644 --- a/hw/virtio/virtio.c +++ b/hw/virtio/virtio.c @@ -3505,19 +3505,24 @@ static void virtio_queue_guest_notifier_read(EventN= otifier *n) } } =20 -void virtio_queue_set_guest_notifier_fd_handler(VirtQueue *vq, bool assign, - bool with_irqfd) + +void virtio_set_notifier_fd_handler(VirtIODevice *vdev, int queue_no, + bool assign, bool with_irqfd) { + EventNotifier *e ; + EventNotifierHandler *handler; + VirtQueue *vq =3D virtio_get_queue(vdev, queue_no); + e =3D &vq->guest_notifier; + handler =3D virtio_queue_guest_notifier_read; if (assign && !with_irqfd) { - event_notifier_set_handler(&vq->guest_notifier, - virtio_queue_guest_notifier_read); + event_notifier_set_handler(e, handler); } else { - event_notifier_set_handler(&vq->guest_notifier, NULL); + event_notifier_set_handler(e, NULL); } if (!assign) { /* Test and clear notifier before closing it, * in case poll callback didn't have time to run. */ - virtio_queue_guest_notifier_read(&vq->guest_notifier); + handler(e); } } =20 diff --git a/include/hw/virtio/virtio.h b/include/hw/virtio/virtio.h index 63cb9455ed..447899dea5 100644 --- a/include/hw/virtio/virtio.h +++ b/include/hw/virtio/virtio.h @@ -310,7 +310,7 @@ void virtio_queue_update_used_idx(VirtIODevice *vdev, i= nt n); VirtQueue *virtio_get_queue(VirtIODevice *vdev, int n); uint16_t virtio_get_queue_index(VirtQueue *vq); EventNotifier *virtio_queue_get_guest_notifier(VirtQueue *vq); -void virtio_queue_set_guest_notifier_fd_handler(VirtQueue *vq, bool assign, +void virtio_set_notifier_fd_handler(VirtIODevice *vdev, int n, bool assign, bool with_irqfd); int virtio_device_start_ioeventfd(VirtIODevice *vdev); int virtio_device_grab_ioeventfd(VirtIODevice *vdev); --=20 2.21.3