1/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */ 2/* Copyright (c) 2023, NVIDIA CORPORATION & AFFILIATES. All rights reserved. */ 3 4#ifndef __MLX5_LIB_SD_H__ 5#define __MLX5_LIB_SD_H__ 6 7#define MLX5_SD_MAX_GROUP_SZ 2 8 9struct mlx5_sd; 10 11struct mlx5_core_dev *mlx5_sd_primary_get_peer(struct mlx5_core_dev *primary, int idx); 12int mlx5_sd_ch_ix_get_dev_ix(struct mlx5_core_dev *dev, int ch_ix); 13int mlx5_sd_ch_ix_get_vec_ix(struct mlx5_core_dev *dev, int ch_ix); 14struct mlx5_core_dev *mlx5_sd_ch_ix_get_dev(struct mlx5_core_dev *primary, int ch_ix); 15struct auxiliary_device *mlx5_sd_get_adev(struct mlx5_core_dev *dev, 16 struct auxiliary_device *adev, 17 int idx); 18 19int mlx5_sd_init(struct mlx5_core_dev *dev); 20void mlx5_sd_cleanup(struct mlx5_core_dev *dev); 21 22#define mlx5_sd_for_each_dev_from_to(i, primary, ix_from, to, pos) \ 23 for (i = ix_from; \ 24 (pos = mlx5_sd_primary_get_peer(primary, i)) && pos != (to); i++) 25 26#define mlx5_sd_for_each_dev(i, primary, pos) \ 27 mlx5_sd_for_each_dev_from_to(i, primary, 0, NULL, pos) 28 29#define mlx5_sd_for_each_dev_to(i, primary, to, pos) \ 30 mlx5_sd_for_each_dev_from_to(i, primary, 0, to, pos) 31 32#define mlx5_sd_for_each_secondary(i, primary, pos) \ 33 mlx5_sd_for_each_dev_from_to(i, primary, 1, NULL, pos) 34 35#define mlx5_sd_for_each_secondary_to(i, primary, to, pos) \ 36 mlx5_sd_for_each_dev_from_to(i, primary, 1, to, pos) 37 38#endif /* __MLX5_LIB_SD_H__ */ 39