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 #include "hifb_proc.h"
20 #include "proc_ext.h"
21 #include "securec.h"
22 #include "hifb_main.h"
23 #include "hifb_comm.h"
24
25 #define MAX_PROC_ENTRIES 16
26
27 static osal_proc_entry_t g_proc_items[MAX_PROC_ENTRIES];
28
29 #ifdef CONFIG_HI_PROC_SHOW_SUPPORT
hifb_proc_add_module(const hi_char * entry_name,hi_u32 size,hifb_proc_show show,hifb_proc_write w,hi_void * data)30 hi_void hifb_proc_add_module(const hi_char *entry_name, hi_u32 size, hifb_proc_show show,
31 hifb_proc_write w, hi_void *data)
32 {
33 hi_s32 i, ret;
34 osal_proc_entry_t* proc_item = HI_NULL;
35 hi_unused(size);
36
37 for (i = 0; i < MAX_PROC_ENTRIES; i++) {
38 if (!g_proc_items[i].proc_dir_entry) {
39 break;
40 }
41 }
42 if (i == MAX_PROC_ENTRIES) {
43 osal_printk("hifb proc num full. \n");
44 return;
45 }
46
47 proc_item = osal_create_proc_entry(entry_name, HI_NULL);
48 if (proc_item == HI_NULL) {
49 osal_printk("create proc err. \n");
50 return;
51 }
52
53 proc_item->write = w;
54 proc_item->read = show,
55 proc_item->private = data;
56
57 ret = memcpy_s(&g_proc_items[i], sizeof(osal_proc_entry_t), proc_item, sizeof(osal_proc_entry_t));
58 hifb_unequal_eok_return_void(ret);
59 }
60
hifb_proc_remove_module(const char * entry_name)61 hi_void hifb_proc_remove_module(const char *entry_name)
62 {
63 hi_s32 i;
64
65 for (i = 0; i < MAX_PROC_ENTRIES; i++) {
66 if (!strcmp(g_proc_items[i].name, entry_name)) {
67 break;
68 }
69 }
70
71 if (i == MAX_PROC_ENTRIES) {
72 return;
73 }
74
75 osal_remove_proc_entry(entry_name, HI_NULL);
76 (hi_void)memset_s(&g_proc_items[i], sizeof(osal_proc_entry_t), 0, sizeof(osal_proc_entry_t));
77
78 return;
79 }
80
hifb_proc_remove_all_module(hi_void)81 hi_void hifb_proc_remove_all_module(hi_void)
82 {
83 hi_s32 i;
84
85 for (i = 0; i < MAX_PROC_ENTRIES; i++) {
86 if (g_proc_items[i].proc_dir_entry == HI_NULL) {
87 continue;
88 }
89
90 osal_remove_proc_entry(g_proc_items[i].name, HI_NULL);
91 (hi_void)memset_s(&g_proc_items[i], sizeof(osal_proc_entry_t), 0, sizeof(osal_proc_entry_t));
92 }
93 }
94
hifb_proc_init(hi_void)95 hi_void hifb_proc_init(hi_void)
96 {
97 /* hifb proc:Uniformly hang under umap, not separately under graphic */
98 (hi_void)memset_s(g_proc_items, sizeof(g_proc_items), 0, sizeof(g_proc_items));
99 }
100
101 #endif
102