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6#ifndef _MLX5_IB_DM_H
7#define _MLX5_IB_DM_H
8
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
69
