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virtio-gpu: Add definition for resource_uuid feature

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Add the VIRTIO_GPU_F_RESOURCE_UUID feature to enable the assignment
of resources UUIDs for export to other virtio devices.

Signed-off-by: Dorinda Bassey <dbassey@redhat.com>
Message-Id: <20241007070013.3350752-1-dbassey@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Dorinda Bassey 2024-10-07 09:00:11 +02:00 • committed by Michael S. Tsirkin
parent 7433709a14
commit 1e77a4a32f
3 changed files with 14 additions and 0 deletions
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8
hw/display/vhost-user-gpu.c
View file

@ -631,6 +631,14 @@ vhost_user_gpu_device_realize(DeviceState *qdev, Error **errp)
error_report("EDID requested but the backend doesn't support it.");
g->parent_obj.conf.flags &= ~(1 << VIRTIO_GPU_FLAG_EDID_ENABLED);
}
if (virtio_has_feature(g->vhost->dev.features,
VIRTIO_GPU_F_RESOURCE_UUID)) {
g->parent_obj.conf.flags |= 1 << VIRTIO_GPU_FLAG_RESOURCE_UUID_ENABLED;
}
if (virtio_has_feature(g->vhost->dev.features,
VIRTIO_GPU_F_RESOURCE_UUID)) {
g->parent_obj.conf.flags |= 1 << VIRTIO_GPU_FLAG_RESOURCE_UUID_ENABLED;
}
if (!virtio_gpu_base_device_realize(qdev, NULL, NULL, errp)) {
return;

3
hw/display/virtio-gpu-base.c
View file

@ -235,6 +235,9 @@ virtio_gpu_base_get_features(VirtIODevice *vdev, uint64_t features,
if (virtio_gpu_context_init_enabled(g->conf)) {
features |= (1 << VIRTIO_GPU_F_CONTEXT_INIT);
}
if (virtio_gpu_resource_uuid_enabled(g->conf)) {
features |= (1 << VIRTIO_GPU_F_RESOURCE_UUID);
}
return features;
}

3
include/hw/virtio/virtio-gpu.h
View file

@ -98,6 +98,7 @@ enum virtio_gpu_base_conf_flags {
VIRTIO_GPU_FLAG_CONTEXT_INIT_ENABLED,
VIRTIO_GPU_FLAG_RUTABAGA_ENABLED,
VIRTIO_GPU_FLAG_VENUS_ENABLED,
VIRTIO_GPU_FLAG_RESOURCE_UUID_ENABLED,
};
#define virtio_gpu_virgl_enabled(_cfg) \
@ -114,6 +115,8 @@ enum virtio_gpu_base_conf_flags {
(_cfg.flags & (1 << VIRTIO_GPU_FLAG_CONTEXT_INIT_ENABLED))
#define virtio_gpu_rutabaga_enabled(_cfg) \
(_cfg.flags & (1 << VIRTIO_GPU_FLAG_RUTABAGA_ENABLED))
#define virtio_gpu_resource_uuid_enabled(_cfg) \
(_cfg.flags & (1 << VIRTIO_GPU_FLAG_RESOURCE_UUID_ENABLED))
#define virtio_gpu_hostmem_enabled(_cfg) \
(_cfg.hostmem > 0)
#define virtio_gpu_venus_enabled(_cfg) \