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/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
/* Copyright (c) 2023, NVIDIA CORPORATION & AFFILIATES. All rights reserved. */
#ifndef __MLX5_LIB_SD_H__
#define __MLX5_LIB_SD_H__
#define MLX5_SD_MAX_GROUP_SZ 2
struct mlx5_sd;
struct mlx5_core_dev *mlx5_sd_primary_get_peer(struct mlx5_core_dev *primary, int idx);
int mlx5_sd_ch_ix_get_dev_ix(struct mlx5_core_dev *dev, int ch_ix);
int mlx5_sd_ch_ix_get_vec_ix(struct mlx5_core_dev *dev, int ch_ix);
struct mlx5_core_dev *mlx5_sd_ch_ix_get_dev(struct mlx5_core_dev *primary, int ch_ix);
struct auxiliary_device *mlx5_sd_get_adev(struct mlx5_core_dev *dev,
struct auxiliary_device *adev,
int idx);
int mlx5_sd_init(struct mlx5_core_dev *dev);
void mlx5_sd_cleanup(struct mlx5_core_dev *dev);
#define mlx5_sd_for_each_dev_from_to(i, primary, ix_from, to, pos) \
for (i = ix_from; \
(pos = mlx5_sd_primary_get_peer(primary, i)) && pos != (to); i++)
#define mlx5_sd_for_each_dev(i, primary, pos) \
mlx5_sd_for_each_dev_from_to(i, primary, 0, NULL, pos)
#define mlx5_sd_for_each_dev_to(i, primary, to, pos) \
mlx5_sd_for_each_dev_from_to(i, primary, 0, to, pos)
#define mlx5_sd_for_each_secondary(i, primary, pos) \
mlx5_sd_for_each_dev_from_to(i, primary, 1, NULL, pos)
#define mlx5_sd_for_each_secondary_to(i, primary, to, pos) \
mlx5_sd_for_each_dev_from_to(i, primary, 1, to, pos)
#endif /* __MLX5_LIB_SD_H__ */
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