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1/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */2/*3 * Copyright (c) 2021, Mellanox Technologies inc. All rights reserved.4 */5 6#ifndef _MLX5_IB_DM_H7#define _MLX5_IB_DM_H8 9#include "mlx5_ib.h"10 11extern const struct ib_device_ops mlx5_ib_dev_dm_ops;12extern const struct uapi_definition mlx5_ib_dm_defs[];13 14struct mlx5_ib_dm {15 struct ib_dm ibdm;16 u32 type;17 phys_addr_t dev_addr;18 size_t size;19};20 21struct mlx5_ib_dm_op_entry {22 struct mlx5_user_mmap_entry mentry;23 phys_addr_t op_addr;24 struct mlx5_ib_dm_memic *dm;25 u8 op;26};27 28struct mlx5_ib_dm_memic {29 struct mlx5_ib_dm base;30 struct mlx5_user_mmap_entry mentry;31 struct xarray ops;32 struct mutex ops_xa_lock;33 struct kref ref;34 size_t req_length;35};36 37struct mlx5_ib_dm_icm {38 struct mlx5_ib_dm base;39 u32 obj_id;40};41 42static inline struct mlx5_ib_dm *to_mdm(struct ib_dm *ibdm)43{44 return container_of(ibdm, struct mlx5_ib_dm, ibdm);45}46 47static inline struct mlx5_ib_dm_memic *to_memic(struct ib_dm *ibdm)48{49 return container_of(ibdm, struct mlx5_ib_dm_memic, base.ibdm);50}51 52static inline struct mlx5_ib_dm_icm *to_icm(struct ib_dm *ibdm)53{54 return container_of(ibdm, struct mlx5_ib_dm_icm, base.ibdm);55}56 57struct ib_dm *mlx5_ib_alloc_dm(struct ib_device *ibdev,58 struct ib_ucontext *context,59 struct ib_dm_alloc_attr *attr,60 struct uverbs_attr_bundle *attrs);61void mlx5_ib_dm_mmap_free(struct mlx5_ib_dev *dev,62 struct mlx5_user_mmap_entry *mentry);63void mlx5_cmd_dealloc_memic(struct mlx5_dm *dm, phys_addr_t addr,64 u64 length);65void mlx5_cmd_dealloc_memic_op(struct mlx5_dm *dm, phys_addr_t addr,66 u8 operation);67 68#endif /* _MLX5_IB_DM_H */69