86 lines
2.1 KiB
C
86 lines
2.1 KiB
C
/*
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* Copyright (c) 2021 Huawei Device Co., Ltd.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef BASE_STARTUP_INITLITE_UEVENTD_H
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#define BASE_STARTUP_INITLITE_UEVENTD_H
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#include <unistd.h>
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#ifdef __cplusplus
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#if __cplusplus
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extern "C" {
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#endif
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#endif
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// Refer to linux kernel kobject.h
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typedef enum ACTION {
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ACTION_ADD,
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ACTION_REMOVE,
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ACTION_CHANGE,
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ACTION_MOVE,
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ACTION_ONLINE,
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ACTION_OFFLINE,
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ACTION_BIND,
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ACTION_UNBIND,
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ACTION_UNKNOWN,
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} ACTION;
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struct UidGid {
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uid_t uid;
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gid_t gid;
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};
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struct Uevent {
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const char *subsystem;
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const char *syspath;
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// DEVNAME may has slash
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const char *deviceName;
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const char *partitionName;
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const char *firmware;
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ACTION action;
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int partitionNum;
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int major;
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int minor;
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struct UidGid ug;
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// for usb device.
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int busNum;
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int devNum;
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};
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typedef enum SUBYSTEM {
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SUBSYSTEM_EMPTY = -1,
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SUBSYSTEM_BLOCK = 0,
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SUBSYSTEM_PLATFORM = 1,
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SUBSYSTEM_FIRMWARE = 2,
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SUBSYSTEM_OTHERS = 3,
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} SUBSYSTEMTYPE;
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#define CMDLINE_VALUE_LEN_MAX 512
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#define UEVENTD_POLL_TIME 30000
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#define UEVENTD_FLAG "/dev/.ueventd_trigger_done"
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extern char bootDevice[CMDLINE_VALUE_LEN_MAX];
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const char *ActionString(ACTION action);
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void ParseUeventMessage(const char *buffer, ssize_t length, struct Uevent *uevent);
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void RetriggerUevent(int sockFd, char **devices, int num);
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void RetriggerUeventByPath(int sockFd, char *path);
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void ProcessUevent(int sockFd, char **devices, int num);
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void CloseUeventConfig(void);
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#ifdef __cplusplus
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#if __cplusplus
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}
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#endif
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#endif
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#endif // BASE_STARTUP_INITLITE_UEVENTD_H
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