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bh=iqcirxw7PlLOaqPlNIi9jaYlIKwyGNvgiE8y1ygFVKo=; b=JgsedziwM50iQb98ca+IJMYy/KEvhnSQ7bDKb4nU7wPLxN7FK3PZshFE/ViT0lDwKU3sUc PlmYvZ19+9wj2fC6LSeuhsWbgZEqWeU2eVZ8QaNEpTFY1SYwxoYOpYh3R6IeSUuMfHTZ7t C+5/M2YRbAE56PBhjJc8pEeCePf8LXQ= X-MC-Unique: s1m-rMORMYCgme-vS3xzIQ-1 From: marcandre.lureau@redhat.com To: qemu-devel@nongnu.org Subject: [PATCH 25/27] vhost-user-gpu: implement register_dbus_listener() Date: Fri, 12 Mar 2021 14:01:06 +0400 Message-Id: <20210312100108.2706195-26-marcandre.lureau@redhat.com> In-Reply-To: <20210312100108.2706195-1-marcandre.lureau@redhat.com> References: <20210312100108.2706195-1-marcandre.lureau@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=marcandre.lureau@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset="utf-8" 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=marcandre.lureau@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=-0.25, 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: =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , Gerd Hoffmann Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) From: Marc-Andr=C3=A9 Lureau Send the listener fd over the vhost-user connection if the backend supports it. Signed-off-by: Marc-Andr=C3=A9 Lureau --- include/hw/virtio/virtio-gpu.h | 1 + hw/display/vhost-user-gpu.c | 33 +++++++++++++++++++++++++++++++++ hw/display/virtio-gpu-base.c | 14 ++++++++++++++ hw/display/virtio-vga.c | 10 ++++++++++ 4 files changed, 58 insertions(+) diff --git a/include/hw/virtio/virtio-gpu.h b/include/hw/virtio/virtio-gpu.h index fae149235c..bf33c05121 100644 --- a/include/hw/virtio/virtio-gpu.h +++ b/include/hw/virtio/virtio-gpu.h @@ -122,6 +122,7 @@ struct VirtIOGPUBaseClass { VirtioDeviceClass parent; =20 void (*gl_flushed)(VirtIOGPUBase *g); + bool (*register_dbus_listener)(VirtIOGPUBase *g, QemuConsole *con, int= fd); }; =20 #define VIRTIO_GPU_BASE_PROPERTIES(_state, _conf) \ diff --git a/hw/display/vhost-user-gpu.c b/hw/display/vhost-user-gpu.c index a2a011e9cc..b48ddabcc8 100644 --- a/hw/display/vhost-user-gpu.c +++ b/hw/display/vhost-user-gpu.c @@ -370,6 +370,38 @@ vhost_user_gpu_gl_flushed(VirtIOGPUBase *b) vhost_user_gpu_update_blocked(VHOST_USER_GPU(g), false); } =20 +static bool +vhost_user_gpu_scanout_idx(VirtIOGPUBase *b, QemuConsole *con, uint8_t *id= x) +{ + VhostUserGPU *g =3D VHOST_USER_GPU(b); + struct virtio_gpu_scanout *s; + uint8_t i; + + for (i =3D 0; i < G_N_ELEMENTS(g->parent_obj.scanout); i++) { + s =3D &g->parent_obj.scanout[i]; + if (s->con =3D=3D con) { + *idx =3D i; + return true; + } + } + + return false; +} + +static bool +vhost_user_gpu_do_register_dbus_listener(VirtIOGPUBase *b, QemuConsole *co= n, int fd) +{ + VhostUserGPU *g =3D VHOST_USER_GPU(b); + uint8_t idx =3D 0; + + if (!vhost_user_gpu_scanout_idx(b, con, &idx)) { + error_report("Failed to find attached console %p", con); + return false; + } + + return vhost_user_gpu_register_dbus_listener(&g->vhost->dev, idx, fd) = =3D=3D 0; +} + static bool vhost_user_gpu_do_set_socket(VhostUserGPU *g, Error **errp) { @@ -577,6 +609,7 @@ vhost_user_gpu_class_init(ObjectClass *klass, void *dat= a) VirtIOGPUBaseClass *vgc =3D VIRTIO_GPU_BASE_CLASS(klass); =20 vgc->gl_flushed =3D vhost_user_gpu_gl_flushed; + vgc->register_dbus_listener =3D vhost_user_gpu_do_register_dbus_listen= er; =20 vdc->realize =3D vhost_user_gpu_device_realize; vdc->reset =3D vhost_user_gpu_reset; diff --git a/hw/display/virtio-gpu-base.c b/hw/display/virtio-gpu-base.c index ee2753001a..392719a830 100644 --- a/hw/display/virtio-gpu-base.c +++ b/hw/display/virtio-gpu-base.c @@ -141,6 +141,19 @@ virtio_gpu_get_flags(void *opaque) return flags; } =20 +static bool +virtio_gpu_register_dbus_listener(void *opaque, QemuConsole *con, int fd) +{ + VirtIOGPUBase *g =3D opaque; + VirtIOGPUBaseClass *vgc =3D VIRTIO_GPU_BASE_GET_CLASS(g); + + if (vgc->register_dbus_listener) { + return vgc->register_dbus_listener(g, con, fd); + } + + return false; +} + static const GraphicHwOps virtio_gpu_ops =3D { .get_flags =3D virtio_gpu_get_flags, .invalidate =3D virtio_gpu_invalidate_display, @@ -148,6 +161,7 @@ static const GraphicHwOps virtio_gpu_ops =3D { .text_update =3D virtio_gpu_text_update, .ui_info =3D virtio_gpu_ui_info, .gl_block =3D virtio_gpu_gl_block, + .register_dbus_listener =3D virtio_gpu_register_dbus_listener, }; =20 bool diff --git a/hw/display/virtio-vga.c b/hw/display/virtio-vga.c index b071909b68..777c7fc409 100644 --- a/hw/display/virtio-vga.c +++ b/hw/display/virtio-vga.c @@ -76,6 +76,15 @@ static int virtio_vga_base_get_flags(void *opaque) return g->hw_ops->get_flags(g); } =20 +static bool virtio_vga_base_register_dbus_listener(void *opaque, + QemuConsole *con, int f= d) +{ + VirtIOVGABase *vvga =3D opaque; + VirtIOGPUBase *g =3D vvga->vgpu; + + return g->hw_ops->register_dbus_listener(g, con, fd); +} + static const GraphicHwOps virtio_vga_base_ops =3D { .get_flags =3D virtio_vga_base_get_flags, .invalidate =3D virtio_vga_base_invalidate_display, @@ -83,6 +92,7 @@ static const GraphicHwOps virtio_vga_base_ops =3D { .text_update =3D virtio_vga_base_text_update, .ui_info =3D virtio_vga_base_ui_info, .gl_block =3D virtio_vga_base_gl_block, + .register_dbus_listener =3D virtio_vga_base_register_dbus_listener, }; =20 static const VMStateDescription vmstate_virtio_vga_base =3D { --=20 2.29.0