/* 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;
        struct ib_umem *umem;
        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);

        u16 uid;
};

struct mlx5_srq_table {
        struct notifier_block nb;
        struct xarray array;
};

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 */