1/*-
2 * Copyright (c) 2017 Mellanox Technologies. All rights reserved.
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 * $FreeBSD$
33 */
34
35#include <linux/module.h>
36#include <dev/mlx5/mlx5_fpga_tools/tools.h>
37#include <dev/mlx5/mlx5_fpga_tools/tools_char.h>
38
39#if (__FreeBSD_version >= 1100000)
40MODULE_DEPEND(mlx5fpga_tools, linuxkpi, 1, 1, 1);
41#endif
42MODULE_DEPEND(mlx5fpga_tools, mlx5, 1, 1, 1);
43MODULE_DEPEND(mlx5fpga_tools, mlx5fpga, 1, 1, 1);
44MODULE_VERSION(mlx5fpga_tools, 1);
45
46static void mlx5_fpga_tools_create(struct mlx5_fpga_device *fdev);
47static int mlx5_fpga_tools_add(struct mlx5_fpga_device *fdev, u32 vid, u16 pid);
48static void mlx5_fpga_tools_remove(struct mlx5_fpga_device *fdev);
49static void mlx5_fpga_tools_destroy(struct mlx5_fpga_device *fdev);
50
51struct mlx5_fpga_tools_dev *mlx5_fpga_tools_alloc(struct mlx5_fpga_device *fdev);
52void mlx5_fpga_tools_free(struct mlx5_fpga_tools_dev *tdev);
53
54static struct mlx5_fpga_client mlx5_fpga_tools_client = {
55	.name = MLX5_FPGA_TOOLS_DRIVER_NAME,
56	.create = mlx5_fpga_tools_create,
57	.add = mlx5_fpga_tools_add,
58	.remove = mlx5_fpga_tools_remove,
59	.destroy = mlx5_fpga_tools_destroy,
60};
61
62struct mlx5_fpga_tools_dev *mlx5_fpga_tools_alloc(struct mlx5_fpga_device *fdev)
63{
64	int ret;
65	struct mlx5_fpga_tools_dev *tdev;
66
67	tdev = kzalloc(sizeof(*tdev), GFP_KERNEL);
68	if (!tdev)
69		goto out;
70
71	tdev->fdev = fdev;
72	sx_init(&tdev->lock, "mlx5fpgat");
73	ret = mlx5_fpga_tools_char_add_one(tdev);
74	if (ret)
75		goto err_free;
76
77	goto out;
78
79err_free:
80	kfree(tdev);
81	tdev = NULL;
82
83out:
84	return tdev;
85}
86
87void mlx5_fpga_tools_free(struct mlx5_fpga_tools_dev *tdev)
88{
89	mlx5_fpga_tools_char_remove_one(tdev);
90	kfree(tdev);
91}
92
93static void mlx5_fpga_tools_create(struct mlx5_fpga_device *fdev)
94{
95	struct mlx5_fpga_tools_dev *dev = NULL;
96
97	dev_dbg(mlx5_fpga_dev(fdev), "tools_create\n");
98
99	dev = mlx5_fpga_tools_alloc(fdev);
100	if (!dev)
101		return;
102
103	mlx5_fpga_client_data_set(fdev, &mlx5_fpga_tools_client, dev);
104}
105
106static int mlx5_fpga_tools_add(struct mlx5_fpga_device *fdev, u32 vid, u16 pid)
107{
108	return 0;
109}
110
111static void mlx5_fpga_tools_remove(struct mlx5_fpga_device *fdev)
112{
113}
114
115static void mlx5_fpga_tools_destroy(struct mlx5_fpga_device *fdev)
116{
117	struct mlx5_fpga_tools_dev *dev;
118
119	dev_dbg(mlx5_fpga_dev(fdev), "tools_destroy\n");
120
121	dev = mlx5_fpga_client_data_get(fdev, &mlx5_fpga_tools_client);
122	if (dev)
123		mlx5_fpga_tools_free(dev);
124}
125
126static int __init mlx5_fpga_tools_init(void)
127{
128	int ret = mlx5_fpga_tools_char_init();
129
130	if (ret)
131		return ret;
132	mlx5_fpga_client_register(&mlx5_fpga_tools_client);
133	return 0;
134}
135
136static void __exit mlx5_fpga_tools_exit(void)
137{
138	mlx5_fpga_client_unregister(&mlx5_fpga_tools_client);
139	mlx5_fpga_tools_char_deinit();
140}
141
142module_init_order(mlx5_fpga_tools_init, SI_ORDER_SECOND);
143module_exit_order(mlx5_fpga_tools_exit, SI_ORDER_SECOND);
144