This feature allows the guest to request a UUID from the host for a particular virtio_gpu resource. The UUID can then be shared with other virtio devices, to allow the other host devices to access the virtio_gpu's corresponding host resource.
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| @@ -50,6 +50,10 @@ · 49 unmodified lines | ||
| 50 | 50 | * VIRTIO_GPU_CMD_GET_EDID |
| 51 | 51 | */ |
| 52 | 52 | #define VIRTIO_GPU_F_EDID 1 |
| 53 | +/* | |
| 54 | + * VIRTIO_GPU_CMD_RESOURCE_ASSIGN_UUID | |
| 55 | + */ | |
| 56 | +#define VIRTIO_GPU_F_RESOURCE_UUID 2 | |
| 53 | 57 | |
| 54 | 58 | enum virtio_gpu_ctrl_type { |
| 55 | 59 | VIRTIO_GPU_UNDEFINED = 0, |
| @@ -66,6 +70,7 @@ enum virtio_gpu_ctrl_type { · 10 unmodified lines | ||
| 66 | 70 | VIRTIO_GPU_CMD_GET_CAPSET_INFO, |
| 67 | 71 | VIRTIO_GPU_CMD_GET_CAPSET, |
| 68 | 72 | VIRTIO_GPU_CMD_GET_EDID, |
| 73 | + VIRTIO_GPU_CMD_RESOURCE_ASSIGN_UUID, | |
| 69 | 74 | |
| 70 | 75 | /* 3d commands */ |
| 71 | 76 | VIRTIO_GPU_CMD_CTX_CREATE = 0x0200, |
| @@ -87,6 +92,7 @@ enum virtio_gpu_ctrl_type { · 15 unmodified lines | ||
| 87 | 92 | VIRTIO_GPU_RESP_OK_CAPSET_INFO, |
| 88 | 93 | VIRTIO_GPU_RESP_OK_CAPSET, |
| 89 | 94 | VIRTIO_GPU_RESP_OK_EDID, |
| 95 | + VIRTIO_GPU_RESP_OK_RESOURCE_UUID, | |
| 90 | 96 | |
| 91 | 97 | /* error responses */ |
| 92 | 98 | VIRTIO_GPU_RESP_ERR_UNSPEC = 0x1200, |
| @@ -340,4 +346,17 @@ enum virtio_gpu_formats { · 247 unmodified lines | ||
| 340 | 346 | VIRTIO_GPU_FORMAT_R8G8B8X8_UNORM = 134, |
| 341 | 347 | }; |
| 342 | 348 | |
| 349 | +/* VIRTIO_GPU_CMD_RESOURCE_ASSIGN_UUID */ | |
| 350 | +struct virtio_gpu_resource_assign_uuid { | |
| 351 | + struct virtio_gpu_ctrl_hdr hdr; | |
| 352 | + __le32 resource_id; | |
| 353 | + __le32 padding; | |
| 354 | +}; | |
| 355 | + | |
| 356 | +/* VIRTIO_GPU_RESP_OK_RESOURCE_UUID */ | |
| 357 | +struct virtio_gpu_resp_resource_uuid { | |
| 358 | + struct virtio_gpu_ctrl_hdr hdr; | |
| 359 | + __u8 uuid[16]; | |
| 360 | +}; | |
| 361 | + | |
| 343 | 362 | #endif |