make SYSFS{} usable for all devices

[elogind.git] / udev_rules.h

diff --git a/udev_rules.h b/udev_rules.h
index d0142031e7f70087ecfcc09b6464c871044a5473..bfcb3f23d5c9dec88042aaa7d5faff9b551ea648 100644 (file)
--- a/udev_rules.h
+++ b/udev_rules.h
@@ -20,93 +20,101 @@
  *
  */
 
-#ifndef NAMEDEV_H
-#define NAMEDEV_H
+#ifndef UDEV_RULES_H
+#define UDEV_RULES_H
 
 #include "libsysfs/sysfs/libsysfs.h"
 #include "udev.h"
 #include "list.h"
 
-
-#define KEY_KERNEL             "KERNEL"
-#define KEY_SUBSYSTEM          "SUBSYSTEM"
-#define KEY_BUS                        "BUS"
-#define KEY_SYSFS              "SYSFS"
-#define KEY_ID                 "ID"
-#define KEY_PROGRAM            "PROGRAM"
-#define KEY_RESULT             "RESULT"
-#define KEY_DRIVER             "DRIVER"
-#define KEY_NAME               "NAME"
-#define KEY_SYMLINK            "SYMLINK"
-#define KEY_OWNER              "OWNER"
-#define KEY_GROUP              "GROUP"
-#define KEY_MODE               "MODE"
-#define KEY_OPTIONS            "OPTIONS"
-
-#define OPTION_LAST_RULE       "last_rule"
-#define OPTION_IGNORE_DEVICE   "ignore_device"
-#define OPTION_IGNORE_REMOVE   "ignore_remove"
-#define OPTION_PARTITIONS      "all_partitions"
-
-#define MAX_SYSFS_PAIRS                5
-
+#define PAIRS_MAX              5
 #define RULEFILE_SUFFIX                ".rules"
 
 enum key_operation {
-       KEY_OP_UNKNOWN,
+       KEY_OP_UNSET,
        KEY_OP_MATCH,
        KEY_OP_NOMATCH,
        KEY_OP_ADD,
        KEY_OP_ASSIGN,
+       KEY_OP_ASSIGN_FINAL,
 };
 
-struct sysfs_pair {
-       char file[PATH_SIZE];
-       char value[VALUE_SIZE];
+struct key {
        enum key_operation operation;
+       size_t val_off;
+};
+
+struct key_pair {
+       struct key key;
+       size_t key_name_off;
+};
+
+struct key_pairs {
+       int count;
+       struct key_pair keys[PAIRS_MAX];
+};
+
+enum import_type {
+       IMPORT_UNSET,
+       IMPORT_PROGRAM,
+       IMPORT_FILE,
+       IMPORT_PARENT,
 };
 
 struct udev_rule {
-       struct list_head node;
-
-       char kernel[NAME_SIZE];
-       enum key_operation kernel_operation;
-       char subsystem[NAME_SIZE];
-       enum key_operation subsystem_operation;
-       char bus[NAME_SIZE];
-       enum key_operation bus_operation;
-       char id[NAME_SIZE];
-       enum key_operation id_operation;
-       char driver[NAME_SIZE];
-       enum key_operation driver_operation;
-       char program[PATH_SIZE];
-       enum key_operation program_operation;
-       char result[PATH_SIZE];
-       enum key_operation result_operation;
-       struct sysfs_pair sysfs_pair[MAX_SYSFS_PAIRS];
-
-       char name[PATH_SIZE];
-       char symlink[PATH_SIZE];
-       char owner[USER_SIZE];
-       char group[USER_SIZE];
+       struct key label;
+       struct key goto_label;
+       struct key kernel_name;
+       struct key subsystem;
+       struct key action;
+       struct key devpath;
+       struct key bus;
+       struct key id;
+       struct key driver;
+       struct key program;
+       struct key result;
+       struct key modalias;
+       struct key import;
+       enum import_type import_type;
+       struct key wait_for_sysfs;
+       struct key_pairs sysfs;
+       struct key_pairs env;
+
+       struct key name;
+       struct key symlink;
+       struct key run;
+       struct key owner;
+       struct key group;
+       enum key_operation mode_operation;
        mode_t mode;
 
-       int last_rule;
-       int ignore_device;
-       int ignore_remove;
-       int partitions;
+       unsigned int partitions;
+       unsigned int last_rule:1,
+                    ignore_device:1,
+                    ignore_remove:1;
+
+       size_t bufsize;
+       char buf[];
+};
 
-       char config_file[PATH_SIZE];
-       int config_line;
+struct udev_rules {
+       char *buf;
+       size_t bufsize;
+       size_t current;
+       int mapped;
+       int resolve_names;
 };
 
-extern struct list_head udev_rule_list;
+extern int udev_rules_init(struct udev_rules *rules, int resolve_names);
+extern void udev_rules_close(struct udev_rules *rules);
 
-extern int udev_rules_init(void);
-extern int udev_rules_get_name(struct udevice *udev, struct sysfs_class_device *class_dev);
-extern void udev_rules_close(void);
+extern void udev_rules_iter_init(struct udev_rules *rules);
+extern struct udev_rule *udev_rules_iter_next(struct udev_rules *rules);
+extern struct udev_rule *udev_rules_iter_label(struct udev_rules *rules, const char *label);
 
-extern void udev_rule_dump(struct udev_rule *rule);
-extern void udev_rule_list_dump(void);
+extern int udev_rules_get_name(struct udev_rules *rules, struct udevice *udev,
+                              struct sysfs_class_device *class_dev);
+extern int udev_rules_get_run(struct udev_rules *rules, struct udevice *udev,
+                             struct sysfs_class_device *class_dev, struct sysfs_device *sysfs_dev);
 
 #endif