linux/drivers/net/ethernet/mellanox/mlx4/srq.c

/*
 * Copyright (c) 2006, 2007 Cisco Systems, Inc. All rights reserved.
 * Copyright (c) 2007, 2008 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.
 */


#include <linux/mlx4/cmd.h>
#include <linux/mlx4/srq.h>
#include <linux/export.h>
#include <linux/gfp.h>

#include "mlx4.h"
#include "icm.h"

void mlx4_srq_event(struct mlx4_dev *dev, u32 srqn, int event_type)
{ … }

static int mlx4_SW2HW_SRQ(struct mlx4_dev *dev, struct mlx4_cmd_mailbox *mailbox,
			  int srq_num)
{ … }

static int mlx4_HW2SW_SRQ(struct mlx4_dev *dev, struct mlx4_cmd_mailbox *mailbox,
			  int srq_num)
{ … }

static int mlx4_ARM_SRQ(struct mlx4_dev *dev, int srq_num, int limit_watermark)
{ … }

static int mlx4_QUERY_SRQ(struct mlx4_dev *dev, struct mlx4_cmd_mailbox *mailbox,
			  int srq_num)
{ … }

int __mlx4_srq_alloc_icm(struct mlx4_dev *dev, int *srqn)
{ … }

static int mlx4_srq_alloc_icm(struct mlx4_dev *dev, int *srqn)
{ … }

void __mlx4_srq_free_icm(struct mlx4_dev *dev, int srqn)
{ … }

static void mlx4_srq_free_icm(struct mlx4_dev *dev, int srqn)
{ … }

int mlx4_srq_alloc(struct mlx4_dev *dev, u32 pdn, u32 cqn, u16 xrcd,
		   struct mlx4_mtt *mtt, u64 db_rec, struct mlx4_srq *srq)
{ … }
EXPORT_SYMBOL_GPL(…);

void mlx4_srq_free(struct mlx4_dev *dev, struct mlx4_srq *srq)
{ … }
EXPORT_SYMBOL_GPL(…);

int mlx4_srq_arm(struct mlx4_dev *dev, struct mlx4_srq *srq, int limit_watermark)
{ … }
EXPORT_SYMBOL_GPL(…);

int mlx4_srq_query(struct mlx4_dev *dev, struct mlx4_srq *srq, int *limit_watermark)
{ … }
EXPORT_SYMBOL_GPL(…);

int mlx4_init_srq_table(struct mlx4_dev *dev)
{ … }

void mlx4_cleanup_srq_table(struct mlx4_dev *dev)
{ … }

struct mlx4_srq *mlx4_srq_lookup(struct mlx4_dev *dev, u32 srqn)
{ … }
EXPORT_SYMBOL_GPL(…);