Add support to register a memory with the firmware via the DEVX interface. The driver translates a given user address to ib_umem then it will register the physical addresses with the firmware and get a unique id for this registration to be used for this virtual address.
Showing the changes to include/uapi (1 of 3 files). Show all
Unified · Split
| @@ -89,9 +89,27 @@ enum mlx5_ib_devx_obj_methods { · 88 unmodified lines | ||
| 89 | 89 | MLX5_IB_METHOD_DEVX_OBJ_QUERY, |
| 90 | 90 | }; |
| 91 | 91 | |
| 92 | +enum mlx5_ib_devx_umem_reg_attrs { | |
| 93 | + MLX5_IB_ATTR_DEVX_UMEM_REG_HANDLE = (1U << UVERBS_ID_NS_SHIFT), | |
| 94 | + MLX5_IB_ATTR_DEVX_UMEM_REG_ADDR, | |
| 95 | + MLX5_IB_ATTR_DEVX_UMEM_REG_LEN, | |
| 96 | + MLX5_IB_ATTR_DEVX_UMEM_REG_ACCESS, | |
| 97 | + MLX5_IB_ATTR_DEVX_UMEM_REG_OUT_ID, | |
| 98 | +}; | |
| 99 | + | |
| 100 | +enum mlx5_ib_devx_umem_dereg_attrs { | |
| 101 | + MLX5_IB_ATTR_DEVX_UMEM_DEREG_HANDLE = (1U << UVERBS_ID_NS_SHIFT), | |
| 102 | +}; | |
| 103 | + | |
| 104 | +enum mlx5_ib_devx_umem_methods { | |
| 105 | + MLX5_IB_METHOD_DEVX_UMEM_REG = (1U << UVERBS_ID_NS_SHIFT), | |
| 106 | + MLX5_IB_METHOD_DEVX_UMEM_DEREG, | |
| 107 | +}; | |
| 108 | + | |
| 92 | 109 | enum mlx5_ib_devx_objects { |
| 93 | 110 | MLX5_IB_OBJECT_DEVX = (1U << UVERBS_ID_NS_SHIFT), |
| 94 | 111 | MLX5_IB_OBJECT_DEVX_OBJ, |
| 112 | + MLX5_IB_OBJECT_DEVX_UMEM, | |
| 95 | 113 | }; |
| 96 | 114 | |
| 97 | 115 | #endif |