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charset="utf-8" Add support for ROCm (Radeon Open Compute) capability in virtio-gpu. This enables GPU compute workloads using AMD's ROCm platform through the virtio-gpu interface. Changes include: - Add "rocm" property to virtio-gpu-gl device - Define VIRTIO_GPU_FLAG_ROCM_ENABLED flag - Enable VIRGL_RENDERER_USE_ROCM flag when ROCm is enabled - Add virtio_gpu_rocm_enabled() helper macro This allows guests to detect and utilize ROCm capabilities through the virtio-gpu device when the feature is enabled. Signed-off-by: Honglei Huang Reviewed-by: Akihiko Odaki --- hw/display/virtio-gpu-gl.c | 2 ++ hw/display/virtio-gpu-virgl.c | 12 ++++++++++++ include/hw/virtio/virtio-gpu.h | 3 +++ 3 files changed, 17 insertions(+) diff --git a/hw/display/virtio-gpu-gl.c b/hw/display/virtio-gpu-gl.c index b98ef2ef98..f059bcb177 100644 --- a/hw/display/virtio-gpu-gl.c +++ b/hw/display/virtio-gpu-gl.c @@ -159,6 +159,8 @@ 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), + DEFINE_PROP_BIT("rocm", VirtIOGPU, parent_obj.conf.flags, + VIRTIO_GPU_FLAG_ROCM_ENABLED, false), }; =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 cbfb8aca3f..5e0f465c37 100644 --- a/hw/display/virtio-gpu-virgl.c +++ b/hw/display/virtio-gpu-virgl.c @@ -1160,6 +1160,9 @@ int virtio_gpu_virgl_init(VirtIOGPU *g) if (virtio_gpu_venus_enabled(g->parent_obj.conf)) { flags |=3D VIRGL_RENDERER_VENUS | VIRGL_RENDERER_RENDER_SERVER; } + if (virtio_gpu_rocm_enabled(g->parent_obj.conf)) { + flags |=3D (VIRGL_RENDERER_USE_ROCM); + } #endif =20 ret =3D virgl_renderer_init(g, flags, &virtio_gpu_3d_cbs); @@ -1218,5 +1221,14 @@ GArray *virtio_gpu_virgl_get_capsets(VirtIOGPU *g) } } =20 + if (virtio_gpu_rocm_enabled(g->parent_obj.conf)) { + virgl_renderer_get_cap_set(VIRTIO_GPU_CAPSET_ROCM, + &capset_max_ver, + &capset_max_size); + if (capset_max_size) { + virtio_gpu_virgl_add_capset(capset_ids, VIRTIO_GPU_CAPSET_ROCM= ); + } + } + return capset_ids; } diff --git a/include/hw/virtio/virtio-gpu.h b/include/hw/virtio/virtio-gpu.h index 58e0f91fda..9923970ece 100644 --- a/include/hw/virtio/virtio-gpu.h +++ b/include/hw/virtio/virtio-gpu.h @@ -100,6 +100,7 @@ enum virtio_gpu_base_conf_flags { VIRTIO_GPU_FLAG_RUTABAGA_ENABLED, VIRTIO_GPU_FLAG_VENUS_ENABLED, VIRTIO_GPU_FLAG_RESOURCE_UUID_ENABLED, + VIRTIO_GPU_FLAG_ROCM_ENABLED, }; =20 #define virtio_gpu_virgl_enabled(_cfg) \ @@ -122,6 +123,8 @@ enum virtio_gpu_base_conf_flags { (_cfg.hostmem > 0) #define virtio_gpu_venus_enabled(_cfg) \ (_cfg.flags & (1 << VIRTIO_GPU_FLAG_VENUS_ENABLED)) +#define virtio_gpu_rocm_enabled(_cfg) \ + (_cfg.flags & (1 << VIRTIO_GPU_FLAG_ROCM_ENABLED)) =20 struct virtio_gpu_base_conf { uint32_t max_outputs; --=20 2.34.1