History

virtio-gpu: add VIRTIO_GPU_F_RESOURCE_UUID feature

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.

David Stevens committed 6 years ago

Commit 592d9fb1 parent a0308931 file · +19 −0Browse files

Showing the changes to include/uapi (1 of 1 file). Show all

Unified · Split

include/uapi/linux/virtio_gpu.h+19−0
@@ -50,6 +50,10 @@ · 49 unmodified lines
50 * VIRTIO_GPU_CMD_GET_EDID50 * VIRTIO_GPU_CMD_GET_EDID
51 */51 */
52#define VIRTIO_GPU_F_EDID 152#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
54enum virtio_gpu_ctrl_type {58enum virtio_gpu_ctrl_type {
55 VIRTIO_GPU_UNDEFINED = 0,59 VIRTIO_GPU_UNDEFINED = 0,
@@ -66,6 +70,7 @@ enum virtio_gpu_ctrl_type { · 10 unmodified lines
66 VIRTIO_GPU_CMD_GET_CAPSET_INFO,70 VIRTIO_GPU_CMD_GET_CAPSET_INFO,
67 VIRTIO_GPU_CMD_GET_CAPSET,71 VIRTIO_GPU_CMD_GET_CAPSET,
68 VIRTIO_GPU_CMD_GET_EDID,72 VIRTIO_GPU_CMD_GET_EDID,
73 VIRTIO_GPU_CMD_RESOURCE_ASSIGN_UUID,
69 74
70 /* 3d commands */75 /* 3d commands */
71 VIRTIO_GPU_CMD_CTX_CREATE = 0x0200,76 VIRTIO_GPU_CMD_CTX_CREATE = 0x0200,
@@ -87,6 +92,7 @@ enum virtio_gpu_ctrl_type { · 15 unmodified lines
87 VIRTIO_GPU_RESP_OK_CAPSET_INFO,92 VIRTIO_GPU_RESP_OK_CAPSET_INFO,
88 VIRTIO_GPU_RESP_OK_CAPSET,93 VIRTIO_GPU_RESP_OK_CAPSET,
89 VIRTIO_GPU_RESP_OK_EDID,94 VIRTIO_GPU_RESP_OK_EDID,
95 VIRTIO_GPU_RESP_OK_RESOURCE_UUID,
90 96
91 /* error responses */97 /* error responses */
92 VIRTIO_GPU_RESP_ERR_UNSPEC = 0x1200,98 VIRTIO_GPU_RESP_ERR_UNSPEC = 0x1200,
@@ -340,4 +346,17 @@ enum virtio_gpu_formats { · 247 unmodified lines
340 VIRTIO_GPU_FORMAT_R8G8B8X8_UNORM = 134,346 VIRTIO_GPU_FORMAT_R8G8B8X8_UNORM = 134,
341};347};
342 348
349/* VIRTIO_GPU_CMD_RESOURCE_ASSIGN_UUID */
350struct 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 */
357struct virtio_gpu_resp_resource_uuid {
358 struct virtio_gpu_ctrl_hdr hdr;
359 __u8 uuid[16];
360};
361
343#endif362#endif