76 lines
1.8 KiB
C
76 lines
1.8 KiB
C
|
// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
|
||
|
|
/* Copyright (c) 2016-2018 Mellanox Technologies. All rights reserved */
|
||
|
|
|
||
|
|
#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);
|
||
|
|
}
|