cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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devx.h (1293B)

      1/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
      2/*
      3 * Copyright (c) 2019-2020, Mellanox Technologies inc. All rights reserved.
      4 */
      5
      6#ifndef _MLX5_IB_DEVX_H
      7#define _MLX5_IB_DEVX_H
      8
      9#include "mlx5_ib.h"
     10
     11#define MLX5_MAX_DESTROY_INBOX_SIZE_DW MLX5_ST_SZ_DW(delete_fte_in)
     12struct devx_obj {
     13	struct mlx5_ib_dev	*ib_dev;
     14	u64			obj_id;
     15	u32			dinlen; /* destroy inbox length */
     16	u32			dinbox[MLX5_MAX_DESTROY_INBOX_SIZE_DW];
     17	u32			flags;
     18	union {
     19		struct mlx5_ib_mkey	mkey;
     20		struct mlx5_core_dct	core_dct;
     21		struct mlx5_core_cq	core_cq;
     22		u32			flow_counter_bulk_size;
     23	};
     24	struct list_head event_sub; /* holds devx_event_subscription entries */
     25};
     26#if IS_ENABLED(CONFIG_INFINIBAND_USER_ACCESS)
     27int mlx5_ib_devx_create(struct mlx5_ib_dev *dev, bool is_user);
     28void mlx5_ib_devx_destroy(struct mlx5_ib_dev *dev, u16 uid);
     29int mlx5_ib_devx_init(struct mlx5_ib_dev *dev);
     30void mlx5_ib_devx_cleanup(struct mlx5_ib_dev *dev);
     31#else
     32static inline int mlx5_ib_devx_create(struct mlx5_ib_dev *dev, bool is_user)
     33{
     34	return -EOPNOTSUPP;
     35}
     36static inline void mlx5_ib_devx_destroy(struct mlx5_ib_dev *dev, u16 uid) {}
     37static inline int mlx5_ib_devx_init(struct mlx5_ib_dev *dev)
     38{
     39	return 0;
     40}
     41static inline void mlx5_ib_devx_cleanup(struct mlx5_ib_dev *dev)
     42{
     43}
     44#endif
     45#endif /* _MLX5_IB_DEVX_H */