[linux-2.6-block.git] / drivers / net / ethernet / mellanox / mlx5 / core / pd.c

/*
 * 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.
 */

#include <linux/kernel.h>
#include <linux/mlx5/driver.h>
#include "mlx5_core.h"

int mlx5_core_alloc_pd(struct mlx5_core_dev *dev, u32 *pdn)
{
	u32 out[MLX5_ST_SZ_DW(alloc_pd_out)] = {};
	u32 in[MLX5_ST_SZ_DW(alloc_pd_in)] = {};
	int err;

	MLX5_SET(alloc_pd_in, in, opcode, MLX5_CMD_OP_ALLOC_PD);
	err = mlx5_cmd_exec_inout(dev, alloc_pd, in, out);
	if (!err)
		*pdn = MLX5_GET(alloc_pd_out, out, pd);
	return err;
}
EXPORT_SYMBOL(mlx5_core_alloc_pd);

int mlx5_core_dealloc_pd(struct mlx5_core_dev *dev, u32 pdn)
{
	u32 in[MLX5_ST_SZ_DW(dealloc_pd_in)] = {};

	MLX5_SET(dealloc_pd_in, in, opcode, MLX5_CMD_OP_DEALLOC_PD);
	MLX5_SET(dealloc_pd_in, in, pd, pdn);
	return mlx5_cmd_exec_in(dev, dealloc_pd, in);
}
EXPORT_SYMBOL(mlx5_core_dealloc_pd);
Commit	Line	Data
e126ba97	1	/*
302bdf68	2	* Copyright (c) 2013-2015, Mellanox Technologies. All rights reserved.
e126ba97 EC	3	*
	4	* This software is available to you under a choice of one of two
	5	* licenses. You may choose to be licensed under the terms of the GNU
	6	* General Public License (GPL) Version 2, available from the file
	7	* COPYING in the main directory of this source tree, or the
	8	* OpenIB.org BSD license below:
	9	*
	10	* Redistribution and use in source and binary forms, with or
	11	* without modification, are permitted provided that the following
	12	* conditions are met:
	13	*
	14	* - Redistributions of source code must retain the above
	15	* copyright notice, this list of conditions and the following
	16	* disclaimer.
	17	*
	18	* - Redistributions in binary form must reproduce the above
	19	* copyright notice, this list of conditions and the following
	20	* disclaimer in the documentation and/or other materials
	21	* provided with the distribution.
	22	*
	23	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
	24	* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
	25	* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
	26	* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
	27	* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
	28	* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
	29	* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
	30	* SOFTWARE.
	31	*/
	32
	33	#include <linux/kernel.h>
e126ba97	34	#include <linux/mlx5/driver.h>
e126ba97 EC	35	#include "mlx5_core.h"
e126ba97 EC	36
e126ba97 EC	37	int mlx5_core_alloc_pd(struct mlx5_core_dev dev, u32 pdn)
e126ba97 EC	38	{
9b3ca3ec LR	39	u32 out[MLX5_ST_SZ_DW(alloc_pd_out)] = {};
9b3ca3ec LR	40	u32 in[MLX5_ST_SZ_DW(alloc_pd_in)] = {};
e126ba97 EC	41	int err;
e126ba97 EC	42
732ef5ad	43	MLX5_SET(alloc_pd_in, in, opcode, MLX5_CMD_OP_ALLOC_PD);
9b3ca3ec	44	err = mlx5_cmd_exec_inout(dev, alloc_pd, in, out);
c4f287c4 SM	45	if (!err)
c4f287c4 SM	46	*pdn = MLX5_GET(alloc_pd_out, out, pd);
e126ba97 EC	47	return err;
	48	}
	49	EXPORT_SYMBOL(mlx5_core_alloc_pd);
	50
	51	int mlx5_core_dealloc_pd(struct mlx5_core_dev *dev, u32 pdn)
	52	{
9b3ca3ec	53	u32 in[MLX5_ST_SZ_DW(dealloc_pd_in)] = {};
e126ba97	54
732ef5ad SM	55	MLX5_SET(dealloc_pd_in, in, opcode, MLX5_CMD_OP_DEALLOC_PD);
732ef5ad SM	56	MLX5_SET(dealloc_pd_in, in, pd, pdn);
9b3ca3ec	57	return mlx5_cmd_exec_in(dev, dealloc_pd, in);
e126ba97 EC	58	}
e126ba97 EC	59	EXPORT_SYMBOL(mlx5_core_dealloc_pd);