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68 lines
1.7 KiB
68 lines
1.7 KiB
/* 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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