1 /*
2 * Copyright (c) 2023 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15 #include "qos_common.h"
16 #include <cstdio>
17 #include <cstdlib>
18 #include <unistd.h>
19 #include <sys/ioctl.h>
20 #include <fcntl.h>
21 #include "rme_log_domain.h"
22
23 constexpr unsigned int AF_QOS_DELEGATED = 0x0001;
24
25 namespace OHOS {
26 namespace QosCommon {
27
28 DEFINE_RMELOG_INTELLISENSE("qos_manager");
29
TrivalOpenAuthCtrlNode(void)30 static int TrivalOpenAuthCtrlNode(void)
31 {
32 char fileName[] = "/dev/auth_ctrl";
33 int fd = open(fileName, O_RDWR);
34 return fd;
35 }
36
AuthEnable(int pid,unsigned int flag,unsigned int status)37 int AuthEnable(int pid, unsigned int flag, unsigned int status)
38 {
39 struct AuthCtrlData data;
40 int fd;
41 int ret;
42
43 fd = TrivalOpenAuthCtrlNode();
44 if (fd < 0) {
45 RME_LOGE("thread %{public}d belong to user %{public}d open auth node failed\n", gettid(), getuid());
46 return fd;
47 }
48
49 data.pid = pid;
50 data.rtgFlag = flag;
51 data.qosFlag = AF_QOS_DELEGATED;
52 data.status = status;
53 data.type = AUTH_ENABLE;
54
55 ret = ioctl(fd, BASIC_AUTH_CTRL_OPERATION, &data);
56 if (ret < 0) {
57 RME_LOGE("auth enable failed for pid %{public}d with status %{public}u\n", pid, status);
58 }
59 close(fd);
60 return ret;
61 }
62
AuthPause(int pid)63 int AuthPause(int pid)
64 {
65 struct AuthCtrlData data;
66 int fd;
67 int ret;
68
69 fd = TrivalOpenAuthCtrlNode();
70 if (fd < 0) {
71 RME_LOGE("thread %{public}d belong to user %{public}d open auth node failed\n", gettid(), getuid());
72 return fd;
73 }
74
75 data.pid = pid;
76 data.rtgFlag = 0;
77 data.qosFlag = AF_QOS_DELEGATED;
78 data.status = AUTH_STATUS_BACKGROUND;
79 data.type = AUTH_SWITCH;
80
81 ret = ioctl(fd, BASIC_AUTH_CTRL_OPERATION, &data);
82 if (ret < 0) {
83 RME_LOGE("auth pause failed for pid %{public}d\n", pid);
84 }
85 close(fd);
86 return ret;
87 }
88
AuthDelete(int pid)89 int AuthDelete(int pid)
90 {
91 struct AuthCtrlData data;
92 int fd;
93 int ret;
94
95 fd = TrivalOpenAuthCtrlNode();
96 if (fd < 0) {
97 RME_LOGE("thread %{public}d belong to user %{public}d open auth node failed\n", gettid(), getuid());
98 return fd;
99 }
100
101 data.pid = pid;
102 data.type = AUTH_DELETE;
103
104 ret = ioctl(fd, BASIC_AUTH_CTRL_OPERATION, &data);
105 if (ret < 0) {
106 RME_LOGE("auth delete failed for pid %{public}d\n", pid);
107 }
108 close(fd);
109 return ret;
110 }
111
112 } // namespace QosCommon
113 } // namespace OHOS