linux/drivers/infiniband/hw/mlx5/devx.h
Aharon Landau ae0579acde RDMA/mlx5: Attach ndescs to mlx5_ib_mkey
Generalize the use of ndescs by adding it to mlx5_ib_mkey.

Signed-off-by: Aharon Landau <aharonl@nvidia.com>
Reviewed-by: Shay Drory <shayd@nvidia.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
2021-10-19 14:42:53 +03:00

46 lines
1.3 KiB
C

/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
/*
* Copyright (c) 2019-2020, Mellanox Technologies inc. All rights reserved.
*/
#ifndef _MLX5_IB_DEVX_H
#define _MLX5_IB_DEVX_H
#include "mlx5_ib.h"
#define MLX5_MAX_DESTROY_INBOX_SIZE_DW MLX5_ST_SZ_DW(delete_fte_in)
struct devx_obj {
struct mlx5_ib_dev *ib_dev;
u64 obj_id;
u32 dinlen; /* destroy inbox length */
u32 dinbox[MLX5_MAX_DESTROY_INBOX_SIZE_DW];
u32 flags;
union {
struct mlx5_ib_mkey mkey;
struct mlx5_core_dct core_dct;
struct mlx5_core_cq core_cq;
u32 flow_counter_bulk_size;
};
struct list_head event_sub; /* holds devx_event_subscription entries */
};
#if IS_ENABLED(CONFIG_INFINIBAND_USER_ACCESS)
int mlx5_ib_devx_create(struct mlx5_ib_dev *dev, bool is_user);
void mlx5_ib_devx_destroy(struct mlx5_ib_dev *dev, u16 uid);
int mlx5_ib_devx_init(struct mlx5_ib_dev *dev);
void mlx5_ib_devx_cleanup(struct mlx5_ib_dev *dev);
#else
static inline int mlx5_ib_devx_create(struct mlx5_ib_dev *dev, bool is_user)
{
return -EOPNOTSUPP;
}
static inline void mlx5_ib_devx_destroy(struct mlx5_ib_dev *dev, u16 uid) {}
static inline int mlx5_ib_devx_init(struct mlx5_ib_dev *dev)
{
return 0;
}
static inline void mlx5_ib_devx_cleanup(struct mlx5_ib_dev *dev)
{
}
#endif
#endif /* _MLX5_IB_DEVX_H */