/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */ /* * Copyright (c) 2013-2018, Mellanox Technologies. All rights reserved. */ #ifndef MLX5_IB_SRQ_H #define MLX5_IB_SRQ_H enum { MLX5_SRQ_FLAG_ERR = (1 << 0), MLX5_SRQ_FLAG_WQ_SIG = (1 << 1), MLX5_SRQ_FLAG_RNDV = (1 << 2), }; struct mlx5_srq_attr { u32 type; u32 flags; u32 log_size; u32 wqe_shift; u32 log_page_size; u32 wqe_cnt; u32 srqn; u32 xrcd; u32 page_offset; u32 cqn; u32 pd; u32 lwm; u32 user_index; u64 db_record; __be64 *pas; u32 tm_log_list_size; u32 tm_next_tag; u32 tm_hw_phase_cnt; u32 tm_sw_phase_cnt; u16 uid; }; struct mlx5_ib_dev; struct mlx5_core_srq { struct mlx5_core_rsc_common common; /* must be first */ u32 srqn; int max; size_t max_gs; size_t max_avail_gather; int wqe_shift; void (*event)(struct mlx5_core_srq *srq, enum mlx5_event e); atomic_t refcount; struct completion free; u16 uid; }; struct mlx5_srq_table { struct notifier_block nb; /* protect radix tree */ spinlock_t lock; struct radix_tree_root tree; }; int mlx5_cmd_create_srq(struct mlx5_ib_dev *dev, struct mlx5_core_srq *srq, struct mlx5_srq_attr *in); int mlx5_cmd_destroy_srq(struct mlx5_ib_dev *dev, struct mlx5_core_srq *srq); int mlx5_cmd_query_srq(struct mlx5_ib_dev *dev, struct mlx5_core_srq *srq, struct mlx5_srq_attr *out); int mlx5_cmd_arm_srq(struct mlx5_ib_dev *dev, struct mlx5_core_srq *srq, u16 lwm, int is_srq); struct mlx5_core_srq *mlx5_cmd_get_srq(struct mlx5_ib_dev *dev, u32 srqn); int mlx5_init_srq_table(struct mlx5_ib_dev *dev); void mlx5_cleanup_srq_table(struct mlx5_ib_dev *dev); #endif /* MLX5_IB_SRQ_H */