119181d1d4
In similar way to other IB objects, restore the ability to return error on
SRQ destroy. Strictly speaking, this change is not necessary, and provided
here to ensure a symmetrical interface like other destroy functions.
Fixes: 68e326dea1db ("RDMA: Handle SRQ allocations by IB/core")
Link: https://lore.kernel.org/r/20200907120921.476363-5-leon@kernel.org
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
69 lines
1.5 KiB
C
69 lines
1.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
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/*
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* Copyright (c) 2013-2018, Mellanox Technologies. All rights reserved.
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*/
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#ifndef MLX5_IB_SRQ_H
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#define MLX5_IB_SRQ_H
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enum {
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MLX5_SRQ_FLAG_ERR = (1 << 0),
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MLX5_SRQ_FLAG_WQ_SIG = (1 << 1),
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MLX5_SRQ_FLAG_RNDV = (1 << 2),
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};
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struct mlx5_srq_attr {
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u32 type;
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u32 flags;
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u32 log_size;
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u32 wqe_shift;
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u32 log_page_size;
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u32 wqe_cnt;
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u32 srqn;
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u32 xrcd;
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u32 page_offset;
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u32 cqn;
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u32 pd;
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u32 lwm;
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u32 user_index;
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u64 db_record;
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__be64 *pas;
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u32 tm_log_list_size;
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u32 tm_next_tag;
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u32 tm_hw_phase_cnt;
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u32 tm_sw_phase_cnt;
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u16 uid;
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};
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struct mlx5_ib_dev;
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struct mlx5_core_srq {
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struct mlx5_core_rsc_common common; /* must be first */
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u32 srqn;
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int max;
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size_t max_gs;
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size_t max_avail_gather;
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int wqe_shift;
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void (*event)(struct mlx5_core_srq *srq, enum mlx5_event e);
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u16 uid;
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};
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struct mlx5_srq_table {
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struct notifier_block nb;
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struct xarray array;
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};
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int mlx5_cmd_create_srq(struct mlx5_ib_dev *dev, struct mlx5_core_srq *srq,
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struct mlx5_srq_attr *in);
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int mlx5_cmd_destroy_srq(struct mlx5_ib_dev *dev, struct mlx5_core_srq *srq);
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int mlx5_cmd_query_srq(struct mlx5_ib_dev *dev, struct mlx5_core_srq *srq,
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struct mlx5_srq_attr *out);
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int mlx5_cmd_arm_srq(struct mlx5_ib_dev *dev, struct mlx5_core_srq *srq,
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u16 lwm, int is_srq);
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struct mlx5_core_srq *mlx5_cmd_get_srq(struct mlx5_ib_dev *dev, u32 srqn);
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int mlx5_init_srq_table(struct mlx5_ib_dev *dev);
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void mlx5_cleanup_srq_table(struct mlx5_ib_dev *dev);
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#endif /* MLX5_IB_SRQ_H */
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