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/*
* drivers/net/ethernet/mellanox/mlxsw/spectrum_kvdl.c
* Copyright (c) 2016-2018 Mellanox Technologies. All rights reserved.
* Copyright (c) 2016-2018 Jiri Pirko <jiri@mellanox.com>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
* 3. Neither the names of the copyright holders nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* Alternatively, this software may be distributed under the terms of the
* GNU General Public License ("GPL") version 2 as published by the Free
* Software Foundation.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <linux/kernel.h>
#include <linux/slab.h>
#include "spectrum.h"
struct mlxsw_sp_kvdl {
const struct mlxsw_sp_kvdl_ops *kvdl_ops;
unsigned long priv[0];
/* priv has to be always the last item */
};
int mlxsw_sp_kvdl_init(struct mlxsw_sp *mlxsw_sp)
{
const struct mlxsw_sp_kvdl_ops *kvdl_ops = mlxsw_sp->kvdl_ops;
struct mlxsw_sp_kvdl *kvdl;
int err;
kvdl = kzalloc(sizeof(*mlxsw_sp->kvdl) + kvdl_ops->priv_size,
GFP_KERNEL);
if (!kvdl)
return -ENOMEM;
kvdl->kvdl_ops = kvdl_ops;
mlxsw_sp->kvdl = kvdl;
err = kvdl_ops->init(mlxsw_sp, kvdl->priv);
if (err)
goto err_init;
return 0;
err_init:
kfree(kvdl);
return err;
}
void mlxsw_sp_kvdl_fini(struct mlxsw_sp *mlxsw_sp)
{
struct mlxsw_sp_kvdl *kvdl = mlxsw_sp->kvdl;
kvdl->kvdl_ops->fini(mlxsw_sp, kvdl->priv);
kfree(kvdl);
}
int mlxsw_sp_kvdl_alloc(struct mlxsw_sp *mlxsw_sp,
enum mlxsw_sp_kvdl_entry_type type,
unsigned int entry_count, u32 *p_entry_index)
{
struct mlxsw_sp_kvdl *kvdl = mlxsw_sp->kvdl;
return kvdl->kvdl_ops->alloc(mlxsw_sp, kvdl->priv, type,
entry_count, p_entry_index);
}
void mlxsw_sp_kvdl_free(struct mlxsw_sp *mlxsw_sp,
enum mlxsw_sp_kvdl_entry_type type,
unsigned int entry_count, int entry_index)
{
struct mlxsw_sp_kvdl *kvdl = mlxsw_sp->kvdl;
kvdl->kvdl_ops->free(mlxsw_sp, kvdl->priv, type,
entry_count, entry_index);
}
int mlxsw_sp_kvdl_alloc_count_query(struct mlxsw_sp *mlxsw_sp,
enum mlxsw_sp_kvdl_entry_type type,
unsigned int entry_count,
unsigned int *p_alloc_count)
{
struct mlxsw_sp_kvdl *kvdl = mlxsw_sp->kvdl;
return kvdl->kvdl_ops->alloc_size_query(mlxsw_sp, kvdl->priv, type,
entry_count, p_alloc_count);
}
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