/* * libudev - interface to udev device information * * Copyright (C) 2008 Kay Sievers * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see . */ #ifndef _LIBUDEV_PRIVATE_H_ #define _LIBUDEV_PRIVATE_H_ #include "config.h" #include #include "libudev.h" #include "list.h" #ifdef USE_LOG #ifdef USE_DEBUG #define dbg(udev, arg...) \ udev_log(udev, LOG_DEBUG, __FILE__, __LINE__, __FUNCTION__, ## arg) #else #define dbg(format, arg...) do { } while (0) #endif /* USE_DEBUG */ #define info(udev, arg...) \ udev_log(udev, LOG_INFO, __FILE__, __LINE__, __FUNCTION__, ## arg) #define err(udev, arg...) \ udev_log(udev, LOG_ERR, __FILE__, __LINE__, __FUNCTION__, ## arg) #else #define dbg(format, arg...) do { } while (0) #define info(format, arg...) do { } while (0) #define err(format, arg...) do { } while (0) #endif /* libudev */ void udev_log(struct udev *udev, int priority, const char *file, int line, const char *fn, const char *format, ...) __attribute__ ((format(printf, 6, 7))); extern struct udev_device *device_init(struct udev *udev); extern const char *udev_get_rules_path(struct udev *udev); extern int udev_get_run(struct udev *udev); /* libudev-device */ extern int device_set_devpath(struct udev_device *udev_device, const char *devpath); extern int device_set_subsystem(struct udev_device *udev_device, const char *subsystem); extern int device_set_devname(struct udev_device *udev_device, const char *devname); extern int device_add_devlink(struct udev_device *udev_device, const char *devlink); extern int device_add_property(struct udev_device *udev_device, const char *property); extern int device_set_action(struct udev_device *udev_device, const char *action); extern int device_set_driver(struct udev_device *udev_device, const char *driver); extern const char *device_get_devpath_old(struct udev_device *udev_device); extern int device_set_devpath_old(struct udev_device *udev_device, const char *devpath_old); extern const char *device_get_physdevpath(struct udev_device *udev_device); extern int device_set_physdevpath(struct udev_device *udev_device, const char *physdevpath); extern int device_get_timeout(struct udev_device *udev_device); extern int device_set_timeout(struct udev_device *udev_device, int timeout); extern int device_set_devnum(struct udev_device *udev_device, dev_t devnum); extern int device_set_seqnum(struct udev_device *udev_device, unsigned long long int seqnum); extern int device_get_num_fake_partitions(struct udev_device *udev_device); extern int device_set_num_fake_partitions(struct udev_device *udev_device, int num); extern int device_get_devlink_priority(struct udev_device *udev_device); extern int device_set_devlink_priority(struct udev_device *udev_device, int prio); extern int device_get_ignore_remove(struct udev_device *udev_device); extern int device_set_ignore_remove(struct udev_device *udev_device, int ignore); /* udev_ctrl - daemon runtime setup */ struct udev_ctrl; extern struct udev_ctrl *udev_ctrl_new_from_socket(struct udev *udev, const char *socket_path); extern int udev_ctrl_enable_receiving(struct udev_ctrl *uctrl); extern struct udev_ctrl *udev_ctrl_ref(struct udev_ctrl *uctrl); extern void udev_ctrl_unref(struct udev_ctrl *uctrl); extern struct udev *udev_ctrl_get_udev(struct udev_ctrl *uctrl); extern int udev_ctrl_get_fd(struct udev_ctrl *uctrl); extern int udev_ctrl_send_set_log_level(struct udev_ctrl *uctrl, int priority); extern int udev_ctrl_send_stop_exec_queue(struct udev_ctrl *uctrl); extern int udev_ctrl_send_start_exec_queue(struct udev_ctrl *uctrl); extern int udev_ctrl_send_reload_rules(struct udev_ctrl *uctrl); extern int udev_ctrl_send_set_env(struct udev_ctrl *uctrl, const char *key); extern int udev_ctrl_send_set_max_childs(struct udev_ctrl *uctrl, int count); struct udev_ctrl_msg; extern struct udev_ctrl_msg *udev_ctrl_msg(struct udev_ctrl *uctrl); extern struct udev_ctrl_msg *udev_ctrl_receive_msg(struct udev_ctrl *uctrl); extern struct udev_ctrl_msg *udev_ctrl_msg_ref(struct udev_ctrl_msg *ctrl_msg); extern void udev_ctrl_msg_unref(struct udev_ctrl_msg *ctrl_msg); extern int udev_ctrl_get_set_log_level(struct udev_ctrl_msg *ctrl_msg); extern int udev_ctrl_get_stop_exec_queue(struct udev_ctrl_msg *ctrl_msg); extern int udev_ctrl_get_start_exec_queue(struct udev_ctrl_msg *ctrl_msg); extern int udev_ctrl_get_reload_rules(struct udev_ctrl_msg *ctrl_msg); extern const char *udev_ctrl_get_set_env(struct udev_ctrl_msg *ctrl_msg); extern int udev_ctrl_get_set_max_childs(struct udev_ctrl_msg *ctrl_msg); /* libudev-utils */ #define UTIL_PATH_SIZE 1024 #define UTIL_LINE_SIZE 2048 #define UTIL_NAME_SIZE 512 struct util_name_entry { struct list_head node; char *name; char *value; int *i; }; extern ssize_t util_get_sys_subsystem(struct udev *udev, const char *devpath, char *subsystem, size_t size); extern ssize_t util_get_sys_driver(struct udev *udev, const char *devpath, char *driver, size_t size); extern int util_resolve_sys_link(struct udev *udev, char *devpath, size_t size); extern struct util_name_entry *util_name_list_add(struct udev *udev, struct list_head *name_list, const char *name, const char *value, int sort); extern void util_name_list_cleanup(struct udev *udev, struct list_head *name_list); extern int util_log_priority(const char *priority); extern size_t util_path_encode(char *s, size_t len); extern size_t util_path_decode(char *s); extern void util_remove_trailing_chars(char *path, char c); extern size_t util_strlcpy(char *dst, const char *src, size_t size); extern size_t util_strlcat(char *dst, const char *src, size_t size); extern int util_replace_chars(char *str, const char *white); extern char *util_sysattr_get_value(struct udev *udev, const char *devpath, const char *attr_name); #endif