mlx_pci.c

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/*
 * Copyright (C) 2015 Mellanox Technologies Ltd.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of the
 * License, or any later version.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 * 02110-1301, USA.
 */
 
FILE_LICENCE ( GPL2_OR_LATER );
 
#include <stddef.h>
 
#include "../../include/private/mlx_pci_priv.h"
#include "../../include/public/mlx_pci.h"
 
mlx_status
mlx_pci_init(
                        IN mlx_utils *utils
                        )
{
        mlx_status status = MLX_SUCCESS;
        if( utils == NULL){
                status = MLX_INVALID_PARAMETER;
                goto bail;
        }
        status = mlx_pci_init_priv(utils);
bail:
        return status;
}
 
mlx_status
mlx_pci_teardown(
                        IN mlx_utils *utils
                        )
{
        mlx_status status = MLX_SUCCESS;
        if( utils == NULL){
                status = MLX_INVALID_PARAMETER;
                goto bail;
        }
        status = mlx_pci_teardown_priv(utils);
bail:
        return status;
}
 
mlx_status
mlx_pci_read(
                        IN mlx_utils *utils,
                        IN mlx_pci_width width,
                        IN mlx_uint32 offset,
                        IN mlx_uintn count,
                        OUT mlx_void *buffer
                        )
{
        mlx_status status = MLX_SUCCESS;
        if( utils == NULL || count == 0){
                status = MLX_INVALID_PARAMETER;
                goto bail;
        }
        status = mlx_pci_read_priv(utils, width, offset, count, buffer);
bail:
        return status;
}
 
mlx_status
mlx_pci_write(
                        IN mlx_utils *utils,
                        IN mlx_pci_width width,
                        IN mlx_uint32 offset,
                        IN mlx_uintn count,
                        IN mlx_void *buffer
                        )
{
        mlx_status status = MLX_SUCCESS;
        if( utils == NULL || count == 0){
                status = MLX_INVALID_PARAMETER;
                goto bail;
        }
        status = mlx_pci_write_priv(utils, width, offset, count, buffer);
bail:
        return status;
}
 
mlx_status
mlx_pci_mem_read(
                                IN mlx_utils *utils,
                                IN mlx_pci_width width,
                                IN mlx_uint8 bar_index,
                                IN mlx_uint64 offset,
                                IN mlx_uintn count,
                                OUT mlx_void *buffer
                                )
{
        mlx_status status = MLX_SUCCESS;
        if( utils == NULL || count == 0){
                status = MLX_INVALID_PARAMETER;
                goto bail;
        }
        status = mlx_pci_mem_read_priv(utils, width,bar_index, offset, count, buffer);
bail:
        return status;
}
 
mlx_status
mlx_pci_mem_write(
                                IN mlx_utils *utils,
                                IN mlx_pci_width width,
                                IN mlx_uint8 bar_index,
                                IN mlx_uint64 offset,
                                IN mlx_uintn count,
                                IN mlx_void *buffer
                                )
{
        mlx_status status = MLX_SUCCESS;
        if( utils == NULL || count == 0){
                status = MLX_INVALID_PARAMETER;
                goto bail;
        }
        status = mlx_pci_mem_write_priv(utils, width, bar_index, offset, count, buffer);
bail:
        return status;
}