1 /*
2  * Copyright (C) 2015 Mellanox Technologies Ltd.
3  *
4  * This program is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU General Public License as
6  * published by the Free Software Foundation; either version 2 of the
7  * License, or any later version.
8  *
9  * This program is distributed in the hope that it will be useful, but
10  * WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12  * General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program; if not, write to the Free Software
16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
17  * 02110-1301, USA.
18  */
19 
20 FILE_LICENCE ( GPL2_OR_LATER );
21 
22 #include "../include/mlx_cmd.h"
23 #include "../../mlx_utils/include/public/mlx_pci_gw.h"
24 #include "../../mlx_utils/include/public/mlx_bail.h"
25 #include "../../mlx_utils/include/public/mlx_pci.h"
26 #include "../../mlx_utils/include/public/mlx_logging.h"
27 
28 mlx_status
nodnic_cmd_read(IN nodnic_device_priv * device_priv,IN mlx_uint32 address,OUT mlx_pci_gw_buffer * buffer)29 nodnic_cmd_read(
30 				IN nodnic_device_priv *device_priv,
31 				IN mlx_uint32 address,
32 				OUT mlx_pci_gw_buffer *buffer
33 				)
34 {
35 	mlx_status 		status = MLX_SUCCESS;
36 	mlx_utils 		*utils = NULL;
37 
38 	if ( device_priv == NULL || buffer == NULL ) {
39 		status = MLX_INVALID_PARAMETER;
40 		goto bad_param;
41 	}
42 
43 	utils = device_priv->utils;
44 
45 	status = mlx_pci_gw_read(utils, PCI_GW_SPACE_NODNIC, address, buffer);
46 	MLX_CHECK_STATUS(device_priv, status, read_error,"mlx_pci_gw_read failed");
47 
48 read_error:
49 bad_param:
50 	return status;
51 }
52 
53 mlx_status
nodnic_cmd_write(IN nodnic_device_priv * device_priv,IN mlx_uint32 address,IN mlx_pci_gw_buffer buffer)54 nodnic_cmd_write(
55 				IN nodnic_device_priv *device_priv,
56 				IN mlx_uint32 address,
57 				IN mlx_pci_gw_buffer buffer
58 				)
59 {
60 	mlx_status 		status = MLX_SUCCESS;
61 	mlx_utils 		*utils = NULL;
62 
63 
64 	if ( device_priv == NULL ) {
65 		status = MLX_INVALID_PARAMETER;
66 		goto bad_param;
67 	}
68 
69 	utils = device_priv->utils;
70 
71 
72 	status = mlx_pci_gw_write(utils, PCI_GW_SPACE_NODNIC, address, buffer);
73 	MLX_CHECK_STATUS(device_priv, status, write_error,"mlx_pci_gw_write failed");
74 write_error:
75 bad_param:
76 	return status;
77 }
78