46 lines
1.3 KiB
C
46 lines
1.3 KiB
C
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/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
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/*
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* Copyright (c) 2019-2020, Mellanox Technologies inc. All rights reserved.
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*/
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#ifndef _MLX5_IB_DEVX_H
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#define _MLX5_IB_DEVX_H
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#include "mlx5_ib.h"
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#define MLX5_MAX_DESTROY_INBOX_SIZE_DW MLX5_ST_SZ_DW(delete_fte_in)
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struct devx_obj {
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struct mlx5_ib_dev *ib_dev;
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u64 obj_id;
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u32 dinlen; /* destroy inbox length */
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u32 dinbox[MLX5_MAX_DESTROY_INBOX_SIZE_DW];
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u32 flags;
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union {
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struct mlx5_ib_mkey mkey;
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struct mlx5_core_dct core_dct;
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struct mlx5_core_cq core_cq;
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u32 flow_counter_bulk_size;
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};
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struct list_head event_sub; /* holds devx_event_subscription entries */
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};
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#if IS_ENABLED(CONFIG_INFINIBAND_USER_ACCESS)
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int mlx5_ib_devx_create(struct mlx5_ib_dev *dev, bool is_user);
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void mlx5_ib_devx_destroy(struct mlx5_ib_dev *dev, u16 uid);
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int mlx5_ib_devx_init(struct mlx5_ib_dev *dev);
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void mlx5_ib_devx_cleanup(struct mlx5_ib_dev *dev);
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#else
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static inline int mlx5_ib_devx_create(struct mlx5_ib_dev *dev, bool is_user)
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{
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return -EOPNOTSUPP;
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}
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static inline void mlx5_ib_devx_destroy(struct mlx5_ib_dev *dev, u16 uid) {}
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static inline int mlx5_ib_devx_init(struct mlx5_ib_dev *dev)
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{
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return 0;
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}
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static inline void mlx5_ib_devx_cleanup(struct mlx5_ib_dev *dev)
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{
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}
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#endif
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#endif /* _MLX5_IB_DEVX_H */
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