diff options
Diffstat (limited to 'src/shared/udev.h')
| -rw-r--r-- | src/shared/udev.h | 197 |
1 files changed, 197 insertions, 0 deletions
diff --git a/src/shared/udev.h b/src/shared/udev.h new file mode 100644 index 0000000000..23a04f766c --- /dev/null +++ b/src/shared/udev.h @@ -0,0 +1,197 @@ +/* + * Copyright (C) 2003 Greg Kroah-Hartman <greg@kroah.com> + * Copyright (C) 2003-2010 Kay Sievers <kay@vrfy.org> + * + * 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 <http://www.gnu.org/licenses/>. + */ + +#ifndef _UDEV_H_ +#define _UDEV_H_ + +#include <sys/types.h> +#include <sys/param.h> +#include <signal.h> + +#include "libudev.h" +#include "libudev-private.h" +#include "util.h" +#include "label.h" +#include "strv.h" + +struct udev_event { + struct udev *udev; + struct udev_device *dev; + struct udev_device *dev_parent; + struct udev_device *dev_db; + char *name; + char *program_result; + mode_t mode; + uid_t uid; + gid_t gid; + struct udev_list run_list; + int exec_delay; + usec_t birth_usec; + usec_t timeout_usec; + int fd_signal; + unsigned int builtin_run; + unsigned int builtin_ret; + bool sigterm; + bool inotify_watch; + bool inotify_watch_final; + bool group_final; + bool owner_final; + bool mode_set; + bool mode_final; + bool name_final; + bool devlink_final; + bool run_final; +}; + +struct udev_watch { + struct udev_list_node node; + int handle; + char *name; +}; + +/* udev-rules.c */ +struct udev_rules; +struct udev_rules *udev_rules_new(struct udev *udev, int resolve_names); +struct udev_rules *udev_rules_unref(struct udev_rules *rules); +bool udev_rules_check_timestamp(struct udev_rules *rules); +int udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event, const sigset_t *sigmask); +void udev_rules_apply_static_dev_perms(struct udev_rules *rules); + +/* udev-event.c */ +struct udev_event *udev_event_new(struct udev_device *dev); +void udev_event_unref(struct udev_event *event); +size_t udev_event_apply_format(struct udev_event *event, const char *src, char *dest, size_t size); +int udev_event_apply_subsys_kernel(struct udev_event *event, const char *string, + char *result, size_t maxsize, int read_value); +int udev_event_spawn(struct udev_event *event, + const char *cmd, char **envp, const sigset_t *sigmask, + char *result, size_t ressize); +int udev_event_execute_rules(struct udev_event *event, struct udev_rules *rules, const sigset_t *sigset); +void udev_event_execute_run(struct udev_event *event, const sigset_t *sigset); +int udev_build_argv(struct udev *udev, char *cmd, int *argc, char *argv[]); + +/* udev-watch.c */ +int udev_watch_init(struct udev *udev); +void udev_watch_restore(struct udev *udev); +void udev_watch_begin(struct udev *udev, struct udev_device *dev); +void udev_watch_end(struct udev *udev, struct udev_device *dev); +struct udev_device *udev_watch_lookup(struct udev *udev, int wd); + +/* udev-node.c */ +void udev_node_add(struct udev_device *dev, mode_t mode, uid_t uid, gid_t gid); +void udev_node_remove(struct udev_device *dev); +void udev_node_update_old_links(struct udev_device *dev, struct udev_device *dev_old); + +/* udev-ctrl.c */ +struct udev_ctrl; +struct udev_ctrl *udev_ctrl_new(struct udev *udev); +struct udev_ctrl *udev_ctrl_new_from_fd(struct udev *udev, int fd); +int udev_ctrl_enable_receiving(struct udev_ctrl *uctrl); +struct udev_ctrl *udev_ctrl_ref(struct udev_ctrl *uctrl); +struct udev_ctrl *udev_ctrl_unref(struct udev_ctrl *uctrl); +int udev_ctrl_cleanup(struct udev_ctrl *uctrl); +struct udev *udev_ctrl_get_udev(struct udev_ctrl *uctrl); +int udev_ctrl_get_fd(struct udev_ctrl *uctrl); +int udev_ctrl_send_set_log_level(struct udev_ctrl *uctrl, int priority, int timeout); +int udev_ctrl_send_stop_exec_queue(struct udev_ctrl *uctrl, int timeout); +int udev_ctrl_send_start_exec_queue(struct udev_ctrl *uctrl, int timeout); +int udev_ctrl_send_reload(struct udev_ctrl *uctrl, int timeout); +int udev_ctrl_send_ping(struct udev_ctrl *uctrl, int timeout); +int udev_ctrl_send_exit(struct udev_ctrl *uctrl, int timeout); +int udev_ctrl_send_set_env(struct udev_ctrl *uctrl, const char *key, int timeout); +int udev_ctrl_send_set_children_max(struct udev_ctrl *uctrl, int count, int timeout); +struct udev_ctrl_connection; +struct udev_ctrl_connection *udev_ctrl_get_connection(struct udev_ctrl *uctrl); +struct udev_ctrl_connection *udev_ctrl_connection_ref(struct udev_ctrl_connection *conn); +struct udev_ctrl_connection *udev_ctrl_connection_unref(struct udev_ctrl_connection *conn); +struct udev_ctrl_msg; +struct udev_ctrl_msg *udev_ctrl_receive_msg(struct udev_ctrl_connection *conn); +struct udev_ctrl_msg *udev_ctrl_msg_ref(struct udev_ctrl_msg *ctrl_msg); +struct udev_ctrl_msg *udev_ctrl_msg_unref(struct udev_ctrl_msg *ctrl_msg); +int udev_ctrl_get_set_log_level(struct udev_ctrl_msg *ctrl_msg); +int udev_ctrl_get_stop_exec_queue(struct udev_ctrl_msg *ctrl_msg); +int udev_ctrl_get_start_exec_queue(struct udev_ctrl_msg *ctrl_msg); +int udev_ctrl_get_reload(struct udev_ctrl_msg *ctrl_msg); +int udev_ctrl_get_ping(struct udev_ctrl_msg *ctrl_msg); +int udev_ctrl_get_exit(struct udev_ctrl_msg *ctrl_msg); +const char *udev_ctrl_get_set_env(struct udev_ctrl_msg *ctrl_msg); +int udev_ctrl_get_set_children_max(struct udev_ctrl_msg *ctrl_msg); + +/* built-in commands */ +enum udev_builtin_cmd { + UDEV_BUILTIN_BTRFS, + UDEV_BUILTIN_FIRMWARE, + UDEV_BUILTIN_HWDB, + UDEV_BUILTIN_INPUT_ID, + UDEV_BUILTIN_NET_ID, + UDEV_BUILTIN_PATH_ID, + UDEV_BUILTIN_USB_ID, +#ifdef HAVE_ACL + UDEV_BUILTIN_UACCESS, +#endif + UDEV_BUILTIN_MAX +}; +struct udev_builtin { + const char *name; + int (*cmd)(struct udev_device *dev, int argc, char *argv[], bool test); + const char *help; + int (*init)(struct udev *udev); + void (*exit)(struct udev *udev); + bool (*validate)(struct udev *udev); + bool run_once; +}; +extern const struct udev_builtin udev_builtin_btrfs; +extern const struct udev_builtin udev_builtin_firmware; +extern const struct udev_builtin udev_builtin_hwdb; +extern const struct udev_builtin udev_builtin_input_id; +extern const struct udev_builtin udev_builtin_net_id; +extern const struct udev_builtin udev_builtin_path_id; +extern const struct udev_builtin udev_builtin_usb_id; +extern const struct udev_builtin udev_builtin_uaccess; +void udev_builtin_init(struct udev *udev); +void udev_builtin_exit(struct udev *udev); +enum udev_builtin_cmd udev_builtin_lookup(const char *command); +const char *udev_builtin_name(enum udev_builtin_cmd cmd); +bool udev_builtin_run_once(enum udev_builtin_cmd cmd); +int udev_builtin_run(struct udev_device *dev, enum udev_builtin_cmd cmd, const char *command, bool test); +void udev_builtin_list(struct udev *udev); +bool udev_builtin_validate(struct udev *udev); +int udev_builtin_add_property(struct udev_device *dev, bool test, const char *key, const char *val); +int udev_builtin_hwdb_lookup(struct udev_device *dev, const char *modalias, bool test); + +/* udev logging */ +void udev_main_log(struct udev *udev, int priority, + const char *file, int line, const char *fn, + const char *format, va_list args); + +/* udevadm commands */ +struct udevadm_cmd { + const char *name; + int (*cmd)(struct udev *udev, int argc, char *argv[]); + const char *help; + int debug; +}; +extern const struct udevadm_cmd udevadm_info; +extern const struct udevadm_cmd udevadm_trigger; +extern const struct udevadm_cmd udevadm_settle; +extern const struct udevadm_cmd udevadm_control; +extern const struct udevadm_cmd udevadm_monitor; +extern const struct udevadm_cmd udevadm_hwdb; +extern const struct udevadm_cmd udevadm_test; +extern const struct udevadm_cmd udevadm_test_builtin; +#endif |