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bh=U1RmmHc7zYLdHOEPjFkgrHdDpu2H+Nsohs7CxSmlv+Q=; b=byLwwt8lq2QE/EUgfvEzGIPeB3E+5rY0p6hmaSj3/pF/7khUEFdknum8Y4Rnv0KsP0/XgH LsB1X5OljeQNlgfLlN1eCoiBx+/fkGNTD5QZJ6sg/SyJwfZ2rrF5mN0yz1oGT0juFMuAwn 7T5ogN2kdPrQjvWvUj9V3pzootfeKfo= X-MC-Unique: mk1HyR8SMsu9in8MzZwiDw-1 From: marcandre.lureau@redhat.com To: qemu-devel@nongnu.org Subject: [PATCH 23/27] vhost-user: add VHOST_USER_GPU_QEMU_DBUS_LISTENER Date: Fri, 12 Mar 2021 14:01:04 +0400 Message-Id: <20210312100108.2706195-24-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 10.5.11.12 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=170.10.133.124; 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 Add a new feature & message to register a QEMU DBus console listener. Signed-off-by: Marc-Andr=C3=A9 Lureau --- docs/interop/vhost-user.rst | 10 ++++++++++ include/hw/virtio/vhost-backend.h | 2 ++ subprojects/libvhost-user/libvhost-user.h | 5 +++++ hw/virtio/vhost-user.c | 23 +++++++++++++++++++++++ 4 files changed, 40 insertions(+) diff --git a/docs/interop/vhost-user.rst b/docs/interop/vhost-user.rst index d6085f7045..13515fb948 100644 --- a/docs/interop/vhost-user.rst +++ b/docs/interop/vhost-user.rst @@ -834,6 +834,7 @@ Protocol features #define VHOST_USER_PROTOCOL_F_INBAND_NOTIFICATIONS 14 #define VHOST_USER_PROTOCOL_F_CONFIGURE_MEM_SLOTS 15 #define VHOST_USER_PROTOCOL_F_STATUS 16 + #define VHOST_USER_PROTOCOL_F_GPU_QEMU_DBUS_LISTENER 17 =20 Master message types -------------------- @@ -1347,6 +1348,15 @@ Master message types query the backend for its device status as defined in the Virtio specification. =20 +``VHOST_USER_GPU_QEMU_DBUS_LISTENER`` + :id: 41 + :equivalent ioctl: N/A + :request payload: ``u32`` the scanout to listen for + + When the ``VHOST_USER_PROTOCOL_F_GPU_QEMU_DBUS_LISTENER`` protocol featu= re has + been successfully negotiated, this message is submitted by the frontend = to + register a graphical listener using a currently private QEMU DBus protoc= ol. + =20 Slave message types ------------------- diff --git a/include/hw/virtio/vhost-backend.h b/include/hw/virtio/vhost-ba= ckend.h index 8a6f8e2a7a..a64b92b863 100644 --- a/include/hw/virtio/vhost-backend.h +++ b/include/hw/virtio/vhost-backend.h @@ -190,5 +190,7 @@ int vhost_backend_handle_iotlb_msg(struct vhost_dev *de= v, struct vhost_iotlb_msg *imsg); =20 int vhost_user_gpu_set_socket(struct vhost_dev *dev, int fd); +int vhost_user_gpu_register_dbus_listener(struct vhost_dev *dev, + uint8_t idx, int fd); =20 #endif /* VHOST_BACKEND_H */ diff --git a/subprojects/libvhost-user/libvhost-user.h b/subprojects/libvho= st-user/libvhost-user.h index 3d13dfadde..d4152acde1 100644 --- a/subprojects/libvhost-user/libvhost-user.h +++ b/subprojects/libvhost-user/libvhost-user.h @@ -64,6 +64,8 @@ enum VhostUserProtocolFeature { VHOST_USER_PROTOCOL_F_INFLIGHT_SHMFD =3D 12, VHOST_USER_PROTOCOL_F_INBAND_NOTIFICATIONS =3D 14, VHOST_USER_PROTOCOL_F_CONFIGURE_MEM_SLOTS =3D 15, + VHOST_USER_PROTOCOL_F_STATUS =3D 16, + VHOST_USER_PROTOCOL_F_GPU_QEMU_DBUS_LISTENER =3D 17, =20 VHOST_USER_PROTOCOL_F_MAX }; @@ -109,6 +111,9 @@ typedef enum VhostUserRequest { VHOST_USER_GET_MAX_MEM_SLOTS =3D 36, VHOST_USER_ADD_MEM_REG =3D 37, VHOST_USER_REM_MEM_REG =3D 38, + VHOST_USER_SET_STATUS =3D 39, + VHOST_USER_GET_STATUS =3D 40, + VHOST_USER_GPU_QEMU_DBUS_LISTENER =3D 41, VHOST_USER_MAX } VhostUserRequest; =20 diff --git a/hw/virtio/vhost-user.c b/hw/virtio/vhost-user.c index 2fdd5daf74..45758c84f9 100644 --- a/hw/virtio/vhost-user.c +++ b/hw/virtio/vhost-user.c @@ -79,6 +79,8 @@ enum VhostUserProtocolFeature { VHOST_USER_PROTOCOL_F_RESET_DEVICE =3D 13, /* Feature 14 reserved for VHOST_USER_PROTOCOL_F_INBAND_NOTIFICATIONS.= */ VHOST_USER_PROTOCOL_F_CONFIGURE_MEM_SLOTS =3D 15, + VHOST_USER_PROTOCOL_F_STATUS =3D 16, + VHOST_USER_PROTOCOL_F_GPU_QEMU_DBUS_LISTENER =3D 17, VHOST_USER_PROTOCOL_F_MAX }; =20 @@ -124,6 +126,9 @@ typedef enum VhostUserRequest { VHOST_USER_GET_MAX_MEM_SLOTS =3D 36, VHOST_USER_ADD_MEM_REG =3D 37, VHOST_USER_REM_MEM_REG =3D 38, + VHOST_USER_SET_STATUS =3D 39, + VHOST_USER_GET_STATUS =3D 40, + VHOST_USER_GPU_QEMU_DBUS_LISTENER =3D 41, VHOST_USER_MAX } VhostUserRequest; =20 @@ -407,6 +412,24 @@ int vhost_user_gpu_set_socket(struct vhost_dev *dev, i= nt fd) return vhost_user_write(dev, &msg, &fd, 1); } =20 +int vhost_user_gpu_register_dbus_listener(struct vhost_dev *dev, uint8_t i= dx, int fd) +{ + VhostUserMsg msg =3D { + .hdr.request =3D VHOST_USER_GPU_QEMU_DBUS_LISTENER, + .hdr.flags =3D VHOST_USER_VERSION, + .payload.u64 =3D idx, + .hdr.size =3D sizeof(msg.payload.u64), + }; + + if (!(dev->protocol_features & + (1ULL << VHOST_USER_PROTOCOL_F_GPU_QEMU_DBUS_LISTENER))) { + return -1; + } + + return vhost_user_write(dev, &msg, &fd, 1); +} + + static int vhost_user_set_log_base(struct vhost_dev *dev, uint64_t base, struct vhost_log *log) { --=20 2.29.0