linux_kernel/include/linux/mlx5/srq.h

/*
 * Copyright (c) 2013-2015, Mellanox Technologies. All rights reserved.
 *
 * This software is available to you under a choice of one of two
 * licenses.  You may choose to be licensed under the terms of the GNU
 * General Public License (GPL) Version 2, available from the file
 * COPYING in the main directory of this source tree, or the
 * OpenIB.org BSD license below:
 *
 *     Redistribution and use in source and binary forms, with or
 *     without modification, are permitted provided that the following
 *     conditions are met:
 *
 *      - Redistributions of source code must retain the above
 *        copyright notice, this list of conditions and the following
 *        disclaimer.
 *
 *      - Redistributions in binary form must reproduce the above
 *        copyright notice, this list of conditions and the following
 *        disclaimer in the documentation and/or other materials
 *        provided with the distribution.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

#ifndef MLX5_SRQ_H
#define MLX5_SRQ_H

#include <linux/mlx5/driver.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;
};

struct mlx5_core_dev;

void mlx5_init_srq_table(struct mlx5_core_dev *dev);
void mlx5_cleanup_srq_table(struct mlx5_core_dev *dev);

#endif /* MLX5_SRQ_H */