1 /*
2 * Copyright (C) 2021 HiSilicon (Shanghai) Technologies CO., LIMITED.
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
6 * as published by the Free Software Foundation; either version 2
7 * of the License, or (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU 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 02110-1301, USA.
17 */
18
19 /* ****************************************************************************
20 1 头文件包含
21 **************************************************************************** */
22 #include "oal_kernel_file.h"
23
24 #ifdef __cplusplus
25 #if __cplusplus
26 extern "C" {
27 #endif
28 #endif
29
30 /* ****************************************************************************
31 2 全局变量定义
32 **************************************************************************** */
33 #ifdef _PRE_CONFIG_CONN_HISI_SYSFS_SUPPORT
34 static oal_kobject *g_conn_syfs_root_object = HI_NULL;
35 static oal_kobject *g_conn_syfs_root_boot_object = HI_NULL;
36
oal_get_sysfs_root_object(hi_void)37 oal_kobject *oal_get_sysfs_root_object(hi_void)
38 {
39 if (g_conn_syfs_root_object != HI_NULL)
40 return g_conn_syfs_root_object;
41 g_conn_syfs_root_object = kobject_create_and_add("hisys", HI_NULL);
42 return g_conn_syfs_root_object;
43 }
44
oal_get_sysfs_root_boot_object(hi_void)45 oal_kobject *oal_get_sysfs_root_boot_object(hi_void)
46 {
47 static oal_kobject *root_boot_object = HI_NULL;
48 if (g_conn_syfs_root_boot_object != HI_NULL)
49 return g_conn_syfs_root_boot_object;
50 root_boot_object = oal_get_sysfs_root_object();
51 if (root_boot_object == HI_NULL)
52 return HI_NULL;
53 g_conn_syfs_root_boot_object = kobject_create_and_add("boot", root_boot_object);
54 return g_conn_syfs_root_boot_object;
55 }
56
oal_conn_sysfs_root_obj_init(hi_void)57 oal_kobject *oal_conn_sysfs_root_obj_init(hi_void)
58 {
59 return oal_get_sysfs_root_object();
60 }
61
oal_conn_sysfs_root_obj_exit(hi_void)62 hi_void oal_conn_sysfs_root_obj_exit(hi_void)
63 {
64 if (g_conn_syfs_root_object != HI_NULL) {
65 kobject_put(g_conn_syfs_root_object);
66 g_conn_syfs_root_object = HI_NULL;
67 }
68 }
69
oal_conn_sysfs_root_boot_obj_exit(hi_void)70 hi_void oal_conn_sysfs_root_boot_obj_exit(hi_void)
71 {
72 if (g_conn_syfs_root_boot_object != HI_NULL) {
73 kobject_del(g_conn_syfs_root_boot_object);
74 g_conn_syfs_root_boot_object = HI_NULL;
75 }
76 }
77
78 #else
79 oal_kobject *oal_get_sysfs_root_object(hi_void)
80 {
81 return HI_NULL;
82 }
83
84 oal_kobject *oal_conn_sysfs_root_obj_init(hi_void)
85 {
86 return HI_NULL;
87 }
88
89 hi_void oal_conn_sysfs_root_obj_exit(hi_void)
90 {
91 return;
92 }
93
94 hi_void oal_conn_sysfs_root_boot_obj_exit(hi_void)
95 {
96 return;
97 }
98 #endif
99
100 #ifdef __cplusplus
101 #if __cplusplus
102 }
103 #endif
104 #endif
105