1290650Shselasky/*- 2290650Shselasky * Copyright (c) 2013-2015, Mellanox Technologies, Ltd. All rights reserved. 3290650Shselasky * 4290650Shselasky * Redistribution and use in source and binary forms, with or without 5290650Shselasky * modification, are permitted provided that the following conditions 6290650Shselasky * are met: 7290650Shselasky * 1. Redistributions of source code must retain the above copyright 8290650Shselasky * notice, this list of conditions and the following disclaimer. 9290650Shselasky * 2. Redistributions in binary form must reproduce the above copyright 10290650Shselasky * notice, this list of conditions and the following disclaimer in the 11290650Shselasky * documentation and/or other materials provided with the distribution. 12290650Shselasky * 13290650Shselasky * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS `AS IS' AND 14290650Shselasky * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15290650Shselasky * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16290650Shselasky * ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE 17290650Shselasky * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18290650Shselasky * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19290650Shselasky * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20290650Shselasky * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21290650Shselasky * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22290650Shselasky * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23290650Shselasky * SUCH DAMAGE. 24290650Shselasky * 25290650Shselasky * $FreeBSD$ 26290650Shselasky */ 27290650Shselasky 28290650Shselasky#include <linux/kernel.h> 29290650Shselasky#include <linux/module.h> 30290650Shselasky#include <dev/mlx5/driver.h> 31290650Shselasky#include "mlx5_core.h" 32290650Shselasky 33290650Shselaskyint mlx5_core_mad_ifc(struct mlx5_core_dev *dev, void *inb, void *outb, 34290650Shselasky u16 opmod, u8 port) 35290650Shselasky{ 36290650Shselasky struct mlx5_mad_ifc_mbox_in *in = NULL; 37290650Shselasky struct mlx5_mad_ifc_mbox_out *out = NULL; 38290650Shselasky int err; 39290650Shselasky 40290650Shselasky in = kzalloc(sizeof(*in), GFP_KERNEL); 41290650Shselasky 42290650Shselasky out = kzalloc(sizeof(*out), GFP_KERNEL); 43290650Shselasky 44290650Shselasky in->hdr.opcode = cpu_to_be16(MLX5_CMD_OP_MAD_IFC); 45290650Shselasky in->hdr.opmod = cpu_to_be16(opmod); 46290650Shselasky in->port = port; 47290650Shselasky 48290650Shselasky memcpy(in->data, inb, sizeof(in->data)); 49290650Shselasky 50290650Shselasky err = mlx5_cmd_exec(dev, in, sizeof(*in), out, sizeof(*out)); 51290650Shselasky if (err) 52290650Shselasky goto out; 53290650Shselasky 54290650Shselasky if (out->hdr.status) { 55290650Shselasky err = mlx5_cmd_status_to_err(&out->hdr); 56290650Shselasky goto out; 57290650Shselasky } 58290650Shselasky 59290650Shselasky memcpy(outb, out->data, sizeof(out->data)); 60290650Shselasky 61290650Shselaskyout: 62290650Shselasky kfree(out); 63290650Shselasky kfree(in); 64290650Shselasky return err; 65290650Shselasky} 66290650ShselaskyEXPORT_SYMBOL_GPL(mlx5_core_mad_ifc); 67