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