From 94d0ea1c19289d76ced934711fccd2269e69bb29 Mon Sep 17 00:00:00 2001 From: Antonio Caggiano Date: Fri, 25 Oct 2024 00:03:11 +0300 Subject: [PATCH] virtio-gpu: Support Venus context MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Request Venus when initializing VirGL and if venus=true flag is set for virtio-gpu-gl device. Signed-off-by: Antonio Caggiano Signed-off-by: Huang Rui Signed-off-by: Dmitry Osipenko Message-Id: <20241024210311.118220-14-dmitry.osipenko@collabora.com> Signed-off-by: Alex Bennée --- docs/system/devices/virtio-gpu.rst | 11 +++++++++++ hw/display/virtio-gpu-gl.c | 2 ++ hw/display/virtio-gpu-virgl.c | 22 ++++++++++++++++++---- hw/display/virtio-gpu.c | 15 +++++++++++++++ include/hw/virtio/virtio-gpu.h | 3 +++ 5 files changed, 49 insertions(+), 4 deletions(-) diff --git a/docs/system/devices/virtio-gpu.rst b/docs/system/devices/virtio-gpu.rst index cb73dd7998..b7eb0fc0e7 100644 --- a/docs/system/devices/virtio-gpu.rst +++ b/docs/system/devices/virtio-gpu.rst @@ -71,6 +71,17 @@ representation back to OpenGL API calls. .. _Gallium3D: https://www.freedesktop.org/wiki/Software/gallium/ .. _virglrenderer: https://gitlab.freedesktop.org/virgl/virglrenderer/ +Translation of Vulkan API calls is supported since release of `virglrenderer`_ +v1.0.0 using `venus`_ protocol. ``Venus`` virtio-gpu capability set ("capset") +requires host blob support (``hostmem`` and ``blob`` fields) and should +be enabled using ``venus`` field. The ``hostmem`` field specifies the size +of virtio-gpu host memory window. This is typically between 256M and 8G. + +.. parsed-literal:: + -device virtio-gpu-gl,hostmem=8G,blob=true,venus=true + +.. _venus: https://gitlab.freedesktop.org/virgl/venus-protocol/ + virtio-gpu rutabaga ------------------- diff --git a/hw/display/virtio-gpu-gl.c b/hw/display/virtio-gpu-gl.c index e859c0dff0..7c0e448b46 100644 --- a/hw/display/virtio-gpu-gl.c +++ b/hw/display/virtio-gpu-gl.c @@ -157,6 +157,8 @@ static void virtio_gpu_gl_device_realize(DeviceState *qdev, Error **errp) static Property virtio_gpu_gl_properties[] = { DEFINE_PROP_BIT("stats", VirtIOGPU, parent_obj.conf.flags, VIRTIO_GPU_FLAG_STATS_ENABLED, false), + DEFINE_PROP_BIT("venus", VirtIOGPU, parent_obj.conf.flags, + VIRTIO_GPU_FLAG_VENUS_ENABLED, false), DEFINE_PROP_END_OF_LIST(), }; diff --git a/hw/display/virtio-gpu-virgl.c b/hw/display/virtio-gpu-virgl.c index 5a881c58a1..eedae7357f 100644 --- a/hw/display/virtio-gpu-virgl.c +++ b/hw/display/virtio-gpu-virgl.c @@ -1128,6 +1128,11 @@ int virtio_gpu_virgl_init(VirtIOGPU *g) flags |= VIRGL_RENDERER_D3D11_SHARE_TEXTURE; } #endif +#if VIRGL_VERSION_MAJOR >= 1 + if (virtio_gpu_venus_enabled(g->parent_obj.conf)) { + flags |= VIRGL_RENDERER_VENUS | VIRGL_RENDERER_RENDER_SERVER; + } +#endif ret = virgl_renderer_init(g, flags, &virtio_gpu_3d_cbs); if (ret != 0) { @@ -1161,7 +1166,7 @@ static void virtio_gpu_virgl_add_capset(GArray *capset_ids, uint32_t capset_id) GArray *virtio_gpu_virgl_get_capsets(VirtIOGPU *g) { - uint32_t capset2_max_ver, capset2_max_size; + uint32_t capset_max_ver, capset_max_size; GArray *capset_ids; capset_ids = g_array_new(false, false, sizeof(uint32_t)); @@ -1170,11 +1175,20 @@ GArray *virtio_gpu_virgl_get_capsets(VirtIOGPU *g) virtio_gpu_virgl_add_capset(capset_ids, VIRTIO_GPU_CAPSET_VIRGL); virgl_renderer_get_cap_set(VIRTIO_GPU_CAPSET_VIRGL2, - &capset2_max_ver, - &capset2_max_size); - if (capset2_max_ver) { + &capset_max_ver, + &capset_max_size); + if (capset_max_ver) { virtio_gpu_virgl_add_capset(capset_ids, VIRTIO_GPU_CAPSET_VIRGL2); } + if (virtio_gpu_venus_enabled(g->parent_obj.conf)) { + virgl_renderer_get_cap_set(VIRTIO_GPU_CAPSET_VENUS, + &capset_max_ver, + &capset_max_size); + if (capset_max_size) { + virtio_gpu_virgl_add_capset(capset_ids, VIRTIO_GPU_CAPSET_VENUS); + } + } + return capset_ids; } diff --git a/hw/display/virtio-gpu.c b/hw/display/virtio-gpu.c index b6cd9fe567..c0570ef856 100644 --- a/hw/display/virtio-gpu.c +++ b/hw/display/virtio-gpu.c @@ -1477,6 +1477,21 @@ void virtio_gpu_device_realize(DeviceState *qdev, Error **errp) #endif } + if (virtio_gpu_venus_enabled(g->parent_obj.conf)) { +#ifdef VIRGL_VERSION_MAJOR + #if VIRGL_VERSION_MAJOR >= 1 + if (!virtio_gpu_blob_enabled(g->parent_obj.conf) || + !virtio_gpu_hostmem_enabled(g->parent_obj.conf)) { + error_setg(errp, "venus requires enabled blob and hostmem options"); + return; + } + #else + error_setg(errp, "old virglrenderer, venus unsupported"); + return; + #endif +#endif + } + if (!virtio_gpu_base_device_realize(qdev, virtio_gpu_handle_ctrl_cb, virtio_gpu_handle_cursor_cb, diff --git a/include/hw/virtio/virtio-gpu.h b/include/hw/virtio/virtio-gpu.h index 07131d8eb9..553799b8cc 100644 --- a/include/hw/virtio/virtio-gpu.h +++ b/include/hw/virtio/virtio-gpu.h @@ -97,6 +97,7 @@ enum virtio_gpu_base_conf_flags { VIRTIO_GPU_FLAG_BLOB_ENABLED, VIRTIO_GPU_FLAG_CONTEXT_INIT_ENABLED, VIRTIO_GPU_FLAG_RUTABAGA_ENABLED, + VIRTIO_GPU_FLAG_VENUS_ENABLED, }; #define virtio_gpu_virgl_enabled(_cfg) \ @@ -115,6 +116,8 @@ enum virtio_gpu_base_conf_flags { (_cfg.flags & (1 << VIRTIO_GPU_FLAG_RUTABAGA_ENABLED)) #define virtio_gpu_hostmem_enabled(_cfg) \ (_cfg.hostmem > 0) +#define virtio_gpu_venus_enabled(_cfg) \ + (_cfg.flags & (1 << VIRTIO_GPU_FLAG_VENUS_ENABLED)) struct virtio_gpu_base_conf { uint32_t max_outputs;