69 lines
1.7 KiB
C
69 lines
1.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
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/*
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* Copyright (c) 2021, Mellanox Technologies inc. All rights reserved.
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*/
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#ifndef _MLX5_IB_DM_H
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#define _MLX5_IB_DM_H
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#include "mlx5_ib.h"
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extern const struct ib_device_ops mlx5_ib_dev_dm_ops;
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extern const struct uapi_definition mlx5_ib_dm_defs[];
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struct mlx5_ib_dm {
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struct ib_dm ibdm;
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u32 type;
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phys_addr_t dev_addr;
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size_t size;
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};
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struct mlx5_ib_dm_op_entry {
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struct mlx5_user_mmap_entry mentry;
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phys_addr_t op_addr;
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struct mlx5_ib_dm_memic *dm;
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u8 op;
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};
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struct mlx5_ib_dm_memic {
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struct mlx5_ib_dm base;
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struct mlx5_user_mmap_entry mentry;
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struct xarray ops;
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struct mutex ops_xa_lock;
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struct kref ref;
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size_t req_length;
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};
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struct mlx5_ib_dm_icm {
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struct mlx5_ib_dm base;
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u32 obj_id;
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};
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static inline struct mlx5_ib_dm *to_mdm(struct ib_dm *ibdm)
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{
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return container_of(ibdm, struct mlx5_ib_dm, ibdm);
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}
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static inline struct mlx5_ib_dm_memic *to_memic(struct ib_dm *ibdm)
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{
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return container_of(ibdm, struct mlx5_ib_dm_memic, base.ibdm);
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}
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static inline struct mlx5_ib_dm_icm *to_icm(struct ib_dm *ibdm)
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{
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return container_of(ibdm, struct mlx5_ib_dm_icm, base.ibdm);
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}
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struct ib_dm *mlx5_ib_alloc_dm(struct ib_device *ibdev,
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struct ib_ucontext *context,
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struct ib_dm_alloc_attr *attr,
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struct uverbs_attr_bundle *attrs);
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void mlx5_ib_dm_mmap_free(struct mlx5_ib_dev *dev,
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struct mlx5_user_mmap_entry *mentry);
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void mlx5_cmd_dealloc_memic(struct mlx5_dm *dm, phys_addr_t addr,
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u64 length);
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void mlx5_cmd_dealloc_memic_op(struct mlx5_dm *dm, phys_addr_t addr,
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u8 operation);
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#endif /* _MLX5_IB_DM_H */
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