include/linux/attribute_container.h

   1 /*
   2  * class_container.h - a generic container for all classes
   3  *
   4  * Copyright (c) 2005 - James Bottomley <James.Bottomley@steeleye.com>
   5  *
   6  * This file is licensed under GPLv2
   7  */
   8
   9 #ifndef _ATTRIBUTE_CONTAINER_H_
  10 #define _ATTRIBUTE_CONTAINER_H_
  11
  12 #include <linux/device.h>
  13 #include <linux/list.h>
  14 #include <linux/klist.h>
  15
  16 struct attribute_container {
  17         struct list_head        node;
  18         struct klist            containers;
  19         struct class            *class;
  20         struct class_device_attribute **attrs;
  21         int (*match)(struct attribute_container *, struct device *);
  22 #define ATTRIBUTE_CONTAINER_NO_CLASSDEVS        0x01
  23         unsigned long           flags;
  24 };
  25
  26 static inline int
  27 attribute_container_no_classdevs(struct attribute_container *atc)
  28 {
  29         return atc->flags & ATTRIBUTE_CONTAINER_NO_CLASSDEVS;
  30 }
  31
  32 static inline void
  33 attribute_container_set_no_classdevs(struct attribute_container *atc)
  34 {
  35         atc->flags |= ATTRIBUTE_CONTAINER_NO_CLASSDEVS;
  36 }
  37
  38 int attribute_container_register(struct attribute_container *cont);
  39 int attribute_container_unregister(struct attribute_container *cont);
  40 void attribute_container_create_device(struct device *dev,
  41                                        int (*fn)(struct attribute_container *,
  42                                                  struct device *,
  43                                                  struct class_device *));
  44 void attribute_container_add_device(struct device *dev,
  45                                     int (*fn)(struct attribute_container *,
  46                                               struct device *,
  47                                               struct class_device *));
  48 void attribute_container_remove_device(struct device *dev,
  49                                        void (*fn)(struct attribute_container *,
  50                                                   struct device *,
  51                                                   struct class_device *));
  52 void attribute_container_device_trigger(struct device *dev,
  53                                         int (*fn)(struct attribute_container *,
  54                                                   struct device *,
  55                                                   struct class_device *));
  56 void attribute_container_trigger(struct device *dev,
  57                                  int (*fn)(struct attribute_container *,
  58                                            struct device *));
  59 int attribute_container_add_attrs(struct class_device *classdev);
  60 int attribute_container_add_class_device(struct class_device *classdev);
  61 int attribute_container_add_class_device_adapter(struct attribute_container *cont,
  62                                                  struct device *dev,
  63                                                  struct class_device *classdev);
  64 void attribute_container_remove_attrs(struct class_device *classdev);
  65 void attribute_container_class_device_del(struct class_device *classdev);
  66 struct attribute_container *attribute_container_classdev_to_container(struct class_device *);
  67 struct class_device *attribute_container_find_class_device(struct attribute_container *, struct device *);
  68 struct class_device_attribute **attribute_container_classdev_to_attrs(const struct class_device *classdev);
  69
  70 #endif