| /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
| /* |
| * Copyright (c) 2024-2025, NVIDIA CORPORATION & AFFILIATES |
| * |
| * These are definitions for the command interface for mlx5 HW. mlx5 FW has a |
| * User Context mechanism which allows the FW to understand a security scope. |
| * FWCTL binds each FD to a FW user context and then places the User Context ID |
| * (UID) in each command header. The created User Context has a capability set |
| * that is appropriate for FWCTL's security model. |
| * |
| * Command formation should use a copy of the structs in mlx5_ifc.h following |
| * the Programmers Reference Manual. A open release is available here: |
| * |
| * https://network.nvidia.com/files/doc-2020/ethernet-adapters-programming-manual.pdf |
| * |
| * The device_type for this file is FWCTL_DEVICE_TYPE_MLX5. |
| */ |
| #ifndef _UAPI_FWCTL_MLX5_H |
| #define _UAPI_FWCTL_MLX5_H |
| |
| #include <linux/types.h> |
| |
| /** |
| * struct fwctl_info_mlx5 - ioctl(FWCTL_INFO) out_device_data |
| * @uid: The FW UID this FD is bound to. Each command header will force |
| * this value. |
| * @uctx_caps: The FW capabilities that are enabled for the uid. |
| * |
| * Return basic information about the FW interface available. |
| */ |
| struct fwctl_info_mlx5 { |
| __u32 uid; |
| __u32 uctx_caps; |
| }; |
| |
| #endif |
