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X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 28 Feb 2025 05:37:25.5684 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 70b04740-c768-46ba-7c59-08dd57b9fb7a X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: BN3PEPF0000B071.namprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN0PR12MB5740 Content-Type: text/plain; charset="utf-8" From: Honglei Huang This makes blob userptr resource available to guest userspace. - Flag VIRTGPU_BLOB_FLAG_USE_USERPTR for guest userspace blob create, enable this flag to indicate blob userptr resource create. - Flag VIRTGPU_BLOB_FLAG_USERPTR_RDONLY used for read only userptr, if not set then the userptr will be writeable. - New parameter blob_userptr for bypass userspace memory address to virtio GPU, like other userptr design, virtio GPU needs a userspace memory for device access. Used for userptr feature, in compute side, this feature is basic and essential. Let device to access userspace memory directly instead of copying. Signed-off-by: Honglei Huang --- include/uapi/drm/virtgpu_drm.h | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/include/uapi/drm/virtgpu_drm.h b/include/uapi/drm/virtgpu_drm.h index c2ce71987e9b..071f31752721 100644 --- a/include/uapi/drm/virtgpu_drm.h +++ b/include/uapi/drm/virtgpu_drm.h @@ -179,13 +179,14 @@ struct drm_virtgpu_resource_create_blob { #define VIRTGPU_BLOB_FLAG_USE_MAPPABLE 0x0001 #define VIRTGPU_BLOB_FLAG_USE_SHAREABLE 0x0002 #define VIRTGPU_BLOB_FLAG_USE_CROSS_DEVICE 0x0004 +#define VIRTGPU_BLOB_FLAG_USE_USERPTR 0x0008 +#define VIRTGPU_BLOB_FLAG_USERPTR_RDONLY 0x0010 /* zero is invalid blob_mem */ __u32 blob_mem; __u32 blob_flags; __u32 bo_handle; __u32 res_handle; __u64 size; - /* * for 3D contexts with VIRTGPU_BLOB_MEM_HOST3D_GUEST and * VIRTGPU_BLOB_MEM_HOST3D otherwise, must be zero. @@ -194,6 +195,7 @@ struct drm_virtgpu_resource_create_blob { __u32 cmd_size; __u64 cmd; __u64 blob_id; + __u64 userptr; }; =20 #define VIRTGPU_CONTEXT_PARAM_CAPSET_ID 0x0001 --=20 2.34.1