linux/include/linux/mlx4/cq.h

/*
 * Copyright (c) 2007 Cisco Systems, Inc.  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 MLX4_CQ_H
#define MLX4_CQ_H

#include <linux/types.h>
#include <uapi/linux/if_ether.h>

#include <linux/mlx4/device.h>
#include <linux/mlx4/doorbell.h>

struct mlx4_cqe { … };

struct mlx4_err_cqe { … };

struct mlx4_ts_cqe { … } __packed;

enum { … };

enum { … };

enum { … };

enum { … };

/* L4_CSUM is logically part of status, but has to checked against badfcs_enc */
enum { … };

enum { … };

#define MLX4_MAX_CQ_PERIOD …
#define MLX4_MAX_CQ_COUNT …

static inline void mlx4_cq_arm(struct mlx4_cq *cq, u32 cmd,
			       void __iomem *uar_page,
			       spinlock_t *doorbell_lock)
{ … }

static inline void mlx4_cq_set_ci(struct mlx4_cq *cq)
{ … }

enum { … };

int mlx4_cq_modify(struct mlx4_dev *dev, struct mlx4_cq *cq,
		   u16 count, u16 period);
int mlx4_cq_resize(struct mlx4_dev *dev, struct mlx4_cq *cq,
		   int entries, struct mlx4_mtt *mtt);

#endif /* MLX4_CQ_H */