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 | MLX5_IB_METHOD_DEVX_OBJ_QUERY, | 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 | enum mlx5_ib_devx_objects { | 109 | enum mlx5_ib_devx_objects { |
| 93 | MLX5_IB_OBJECT_DEVX = (1U << UVERBS_ID_NS_SHIFT), | 110 | MLX5_IB_OBJECT_DEVX = (1U << UVERBS_ID_NS_SHIFT), |
| 94 | MLX5_IB_OBJECT_DEVX_OBJ, | 111 | MLX5_IB_OBJECT_DEVX_OBJ, |
| 112 | MLX5_IB_OBJECT_DEVX_UMEM, | ||
| 95 | }; | 113 | }; |
| 96 | 114 | ||
| 97 | #endif | 115 | #endif |