LCOV - code coverage report
Current view: top level - include/linux - attribute_container.h (source / functions) Hit Total Coverage
Test: combined.info Lines: 4 4 100.0 %
Date: 2022-04-01 13:59:58 Functions: 0 0 -
Branches: 4 8 50.0 %

           Branch data     Line data    Source code
       1                 :            : /* SPDX-License-Identifier: GPL-2.0-only */
       2                 :            : /*
       3                 :            :  * attribute_container.h - a generic container for all classes
       4                 :            :  *
       5                 :            :  * Copyright (c) 2005 - James Bottomley <James.Bottomley@steeleye.com>
       6                 :            :  */
       7                 :            : 
       8                 :            : #ifndef _ATTRIBUTE_CONTAINER_H_
       9                 :            : #define _ATTRIBUTE_CONTAINER_H_
      10                 :            : 
      11                 :            : #include <linux/list.h>
      12                 :            : #include <linux/klist.h>
      13                 :            : 
      14                 :            : struct device;
      15                 :            : 
      16                 :            : struct attribute_container {
      17                 :            :         struct list_head        node;
      18                 :            :         struct klist            containers;
      19                 :            :         struct class            *class;
      20                 :            :         const struct attribute_group *grp;
      21                 :            :         struct device_attribute **attrs;
      22                 :            :         int (*match)(struct attribute_container *, struct device *);
      23                 :            : #define ATTRIBUTE_CONTAINER_NO_CLASSDEVS        0x01
      24                 :            :         unsigned long           flags;
      25                 :            : };
      26                 :            : 
      27                 :            : static inline int
      28                 :       6240 : attribute_container_no_classdevs(struct attribute_container *atc)
      29                 :            : {
      30   [ -  +  -  +  :       6240 :         return atc->flags & ATTRIBUTE_CONTAINER_NO_CLASSDEVS;
             -  -  +  + ]
      31                 :            : }
      32                 :            : 
      33                 :            : static inline void
      34                 :         78 : attribute_container_set_no_classdevs(struct attribute_container *atc)
      35                 :            : {
      36                 :         78 :         atc->flags |= ATTRIBUTE_CONTAINER_NO_CLASSDEVS;
      37                 :            : }
      38                 :            : 
      39                 :            : int attribute_container_register(struct attribute_container *cont);
      40                 :            : int __must_check attribute_container_unregister(struct attribute_container *cont);
      41                 :            : void attribute_container_create_device(struct device *dev,
      42                 :            :                                        int (*fn)(struct attribute_container *,
      43                 :            :                                                  struct device *,
      44                 :            :                                                  struct device *));
      45                 :            : void attribute_container_add_device(struct device *dev,
      46                 :            :                                     int (*fn)(struct attribute_container *,
      47                 :            :                                               struct device *,
      48                 :            :                                               struct device *));
      49                 :            : void attribute_container_remove_device(struct device *dev,
      50                 :            :                                        void (*fn)(struct attribute_container *,
      51                 :            :                                                   struct device *,
      52                 :            :                                                   struct device *));
      53                 :            : void attribute_container_device_trigger(struct device *dev, 
      54                 :            :                                         int (*fn)(struct attribute_container *,
      55                 :            :                                                   struct device *,
      56                 :            :                                                   struct device *));
      57                 :            : int attribute_container_device_trigger_safe(struct device *dev,
      58                 :            :                                             int (*fn)(struct attribute_container *,
      59                 :            :                                                       struct device *,
      60                 :            :                                                       struct device *),
      61                 :            :                                             int (*undo)(struct attribute_container *,
      62                 :            :                                                         struct device *,
      63                 :            :                                                         struct device *));
      64                 :            : void attribute_container_trigger(struct device *dev, 
      65                 :            :                                  int (*fn)(struct attribute_container *,
      66                 :            :                                            struct device *));
      67                 :            : int attribute_container_add_attrs(struct device *classdev);
      68                 :            : int attribute_container_add_class_device(struct device *classdev);
      69                 :            : int attribute_container_add_class_device_adapter(struct attribute_container *cont,
      70                 :            :                                                  struct device *dev,
      71                 :            :                                                  struct device *classdev);
      72                 :            : void attribute_container_remove_attrs(struct device *classdev);
      73                 :            : void attribute_container_class_device_del(struct device *classdev);
      74                 :            : struct attribute_container *attribute_container_classdev_to_container(struct device *);
      75                 :            : struct device *attribute_container_find_class_device(struct attribute_container *, struct device *);
      76                 :            : struct device_attribute **attribute_container_classdev_to_attrs(const struct device *classdev);
      77                 :            : 
      78                 :            : #endif

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