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Tsirkin" , Jiang XueQian Subject: [PATCH] virtio-gpu-gl: Add 'serverfd' property Date: Thu, 3 Apr 2025 23:51:29 +0800 Message-ID: <20250403155129.3396821-1-jiangxueqian@gmail.com> X-Mailer: git-send-email 2.49.0 MIME-Version: 1.0 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=2607:f8b0:4864:20::632; envelope-from=jiangxueqian@gmail.com; helo=mail-pl1-x632.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-Mailman-Approved-At: Thu, 03 Apr 2025 13:41:35 -0400 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: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1743702120010019100 Content-Type: text/plain; charset="utf-8" This property passes socket of a externally started virgl_render_server to virglrenderer, so that it won't try to spawn new process and get killed by seccomp, allowing virtio-gpu-gl venus and sandbox to enable at the same time. Signed-off-by: Jiang XueQian --- hw/display/virtio-gpu-gl.c | 15 +++++++++++++++ hw/display/virtio-gpu-virgl.c | 17 +++++++++++++++++ include/hw/virtio/virtio-gpu.h | 2 ++ 3 files changed, 34 insertions(+) diff --git a/hw/display/virtio-gpu-gl.c b/hw/display/virtio-gpu-gl.c index 683fad3bf8..e7c89f7c29 100644 --- a/hw/display/virtio-gpu-gl.c +++ b/hw/display/virtio-gpu-gl.c @@ -22,6 +22,7 @@ #include "hw/virtio/virtio-gpu-bswap.h" #include "hw/virtio/virtio-gpu-pixman.h" #include "hw/qdev-properties.h" +#include "monitor/monitor.h" =20 #include =20 @@ -143,6 +144,17 @@ static void virtio_gpu_gl_device_realize(DeviceState *= qdev, Error **errp) return; } =20 +#if VIRGL_RENDERER_CALLBACKS_VERSION >=3D 3 + if (g->parent_obj.conf.serverfd) { + g->parent_obj.conf.serverfd_parsed =3D + monitor_fd_param(monitor_cur(), g->parent_obj.conf.serverfd, e= rrp); + if (g->parent_obj.conf.serverfd_parsed < 0) { + error_prepend(errp, "unable to parse serverfd: "); + return; + } + } +#endif + g->parent_obj.conf.flags |=3D (1 << VIRTIO_GPU_FLAG_VIRGL_ENABLED); g->capset_ids =3D virtio_gpu_virgl_get_capsets(g); VIRTIO_GPU_BASE(g)->virtio_config.num_capsets =3D g->capset_ids->len; @@ -159,6 +171,9 @@ static const Property virtio_gpu_gl_properties[] =3D { VIRTIO_GPU_FLAG_STATS_ENABLED, false), DEFINE_PROP_BIT("venus", VirtIOGPU, parent_obj.conf.flags, VIRTIO_GPU_FLAG_VENUS_ENABLED, false), +#if VIRGL_RENDERER_CALLBACKS_VERSION >=3D 3 + DEFINE_PROP_STRING("serverfd", VirtIOGPU, parent_obj.conf.serverfd), +#endif }; =20 static void virtio_gpu_gl_device_unrealize(DeviceState *qdev) diff --git a/hw/display/virtio-gpu-virgl.c b/hw/display/virtio-gpu-virgl.c index 145a0b3879..420aae3b05 100644 --- a/hw/display/virtio-gpu-virgl.c +++ b/hw/display/virtio-gpu-virgl.c @@ -1030,6 +1030,19 @@ static int virgl_make_context_current(void *opaque, = int scanout_idx, qctx); } =20 +#if VIRGL_RENDERER_CALLBACKS_VERSION >=3D 3 +static int virgl_get_server_fd(void *opaque, uint32_t version) +{ + VirtIOGPU *g =3D opaque; + + if (g->parent_obj.conf.serverfd) { + return g->parent_obj.conf.serverfd_parsed; + } + + return -1; +} +#endif + static struct virgl_renderer_callbacks virtio_gpu_3d_cbs =3D { .version =3D 1, .write_fence =3D virgl_write_fence, @@ -1097,6 +1110,10 @@ int virtio_gpu_virgl_init(VirtIOGPU *g) uint32_t flags =3D 0; VirtIOGPUGL *gl =3D VIRTIO_GPU_GL(g); =20 +#if VIRGL_RENDERER_CALLBACKS_VERSION >=3D 3 + virtio_gpu_3d_cbs.version =3D 3; + virtio_gpu_3d_cbs.get_server_fd =3D virgl_get_server_fd; +#endif #if VIRGL_RENDERER_CALLBACKS_VERSION >=3D 4 if (qemu_egl_display) { virtio_gpu_3d_cbs.version =3D 4; diff --git a/include/hw/virtio/virtio-gpu.h b/include/hw/virtio/virtio-gpu.h index a42957c4e2..40a81f500c 100644 --- a/include/hw/virtio/virtio-gpu.h +++ b/include/hw/virtio/virtio-gpu.h @@ -128,6 +128,8 @@ struct virtio_gpu_base_conf { uint32_t xres; uint32_t yres; uint64_t hostmem; + char *serverfd; + int serverfd_parsed; }; =20 struct virtio_gpu_ctrl_command { --=20 2.49.0