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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 6102 | serge | 1 | /* |
| 2 | * sysfs.h - definitions for the device driver filesystem |
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| 3 | * |
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| 4 | * Copyright (c) 2001,2002 Patrick Mochel |
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| 5 | * Copyright (c) 2004 Silicon Graphics, Inc. |
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| 6 | * Copyright (c) 2007 SUSE Linux Products GmbH |
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| 7 | * Copyright (c) 2007 Tejun Heo |
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| 8 | * |
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| 9 | * Please see Documentation/filesystems/sysfs.txt for more information. |
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| 10 | */ |
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| 11 | |||
| 12 | #ifndef _SYSFS_H_ |
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| 13 | #define _SYSFS_H_ |
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| 14 | #include |
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| 15 | #include |
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| 16 | #include |
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| 6934 | serge | 17 | #include |
| 6102 | serge | 18 | #include |
| 19 | |||
| 20 | struct kobject; |
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| 21 | struct module; |
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| 22 | struct bin_attribute; |
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| 23 | enum kobj_ns_type; |
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| 24 | |||
| 25 | struct attribute { |
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| 26 | const char *name; |
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| 27 | umode_t mode; |
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| 28 | #ifdef CONFIG_DEBUG_LOCK_ALLOC |
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| 29 | bool ignore_lockdep:1; |
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| 30 | struct lock_class_key *key; |
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| 31 | struct lock_class_key skey; |
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| 32 | #endif |
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| 33 | }; |
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| 6936 | serge | 34 | struct attribute_group { |
| 35 | const char *name; |
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| 36 | umode_t (*is_visible)(struct kobject *, |
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| 37 | struct attribute *, int); |
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| 38 | umode_t (*is_bin_visible)(struct kobject *, |
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| 39 | struct bin_attribute *, int); |
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| 40 | struct attribute **attrs; |
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| 41 | struct bin_attribute **bin_attrs; |
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| 42 | }; |
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| 6102 | serge | 43 | #ifdef CONFIG_SYSFS |
| 44 | |||
| 45 | int __must_check sysfs_create_dir_ns(struct kobject *kobj, const void *ns); |
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| 46 | void sysfs_remove_dir(struct kobject *kobj); |
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| 47 | int __must_check sysfs_rename_dir_ns(struct kobject *kobj, const char *new_name, |
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| 48 | const void *new_ns); |
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| 49 | int __must_check sysfs_move_dir_ns(struct kobject *kobj, |
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| 50 | struct kobject *new_parent_kobj, |
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| 51 | const void *new_ns); |
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| 52 | int __must_check sysfs_create_mount_point(struct kobject *parent_kobj, |
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| 53 | const char *name); |
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| 54 | void sysfs_remove_mount_point(struct kobject *parent_kobj, |
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| 55 | const char *name); |
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| 56 | |||
| 57 | int __must_check sysfs_create_file_ns(struct kobject *kobj, |
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| 58 | const struct attribute *attr, |
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| 59 | const void *ns); |
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| 60 | int __must_check sysfs_create_files(struct kobject *kobj, |
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| 61 | const struct attribute **attr); |
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| 62 | int __must_check sysfs_chmod_file(struct kobject *kobj, |
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| 63 | const struct attribute *attr, umode_t mode); |
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| 64 | void sysfs_remove_file_ns(struct kobject *kobj, const struct attribute *attr, |
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| 65 | const void *ns); |
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| 66 | bool sysfs_remove_file_self(struct kobject *kobj, const struct attribute *attr); |
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| 67 | void sysfs_remove_files(struct kobject *kobj, const struct attribute **attr); |
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| 68 | |||
| 69 | int __must_check sysfs_create_bin_file(struct kobject *kobj, |
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| 70 | const struct bin_attribute *attr); |
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| 71 | void sysfs_remove_bin_file(struct kobject *kobj, |
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| 72 | const struct bin_attribute *attr); |
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| 73 | |||
| 74 | int __must_check sysfs_create_link(struct kobject *kobj, struct kobject *target, |
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| 75 | const char *name); |
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| 76 | int __must_check sysfs_create_link_nowarn(struct kobject *kobj, |
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| 77 | struct kobject *target, |
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| 78 | const char *name); |
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| 79 | void sysfs_remove_link(struct kobject *kobj, const char *name); |
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| 80 | |||
| 81 | int sysfs_rename_link_ns(struct kobject *kobj, struct kobject *target, |
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| 82 | const char *old_name, const char *new_name, |
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| 83 | const void *new_ns); |
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| 84 | |||
| 85 | void sysfs_delete_link(struct kobject *dir, struct kobject *targ, |
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| 86 | const char *name); |
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| 87 | |||
| 88 | int __must_check sysfs_create_group(struct kobject *kobj, |
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| 89 | const struct attribute_group *grp); |
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| 90 | int __must_check sysfs_create_groups(struct kobject *kobj, |
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| 91 | const struct attribute_group **groups); |
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| 92 | int sysfs_update_group(struct kobject *kobj, |
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| 93 | const struct attribute_group *grp); |
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| 94 | void sysfs_remove_group(struct kobject *kobj, |
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| 95 | const struct attribute_group *grp); |
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| 96 | void sysfs_remove_groups(struct kobject *kobj, |
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| 97 | const struct attribute_group **groups); |
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| 98 | int sysfs_add_file_to_group(struct kobject *kobj, |
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| 99 | const struct attribute *attr, const char *group); |
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| 100 | void sysfs_remove_file_from_group(struct kobject *kobj, |
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| 101 | const struct attribute *attr, const char *group); |
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| 102 | int sysfs_merge_group(struct kobject *kobj, |
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| 103 | const struct attribute_group *grp); |
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| 104 | void sysfs_unmerge_group(struct kobject *kobj, |
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| 105 | const struct attribute_group *grp); |
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| 106 | int sysfs_add_link_to_group(struct kobject *kobj, const char *group_name, |
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| 107 | struct kobject *target, const char *link_name); |
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| 108 | void sysfs_remove_link_from_group(struct kobject *kobj, const char *group_name, |
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| 109 | const char *link_name); |
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| 110 | int __compat_only_sysfs_link_entry_to_kobj(struct kobject *kobj, |
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| 111 | struct kobject *target_kobj, |
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| 112 | const char *target_name); |
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| 113 | |||
| 114 | void sysfs_notify(struct kobject *kobj, const char *dir, const char *attr); |
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| 115 | |||
| 116 | int __must_check sysfs_init(void); |
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| 117 | |||
| 118 | static inline void sysfs_enable_ns(struct kernfs_node *kn) |
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| 119 | { |
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| 120 | return kernfs_enable_ns(kn); |
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| 121 | } |
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| 122 | |||
| 123 | #else /* CONFIG_SYSFS */ |
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| 124 | |||
| 125 | static inline int sysfs_create_dir_ns(struct kobject *kobj, const void *ns) |
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| 126 | { |
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| 127 | return 0; |
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| 128 | } |
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| 129 | |||
| 130 | static inline void sysfs_remove_dir(struct kobject *kobj) |
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| 131 | { |
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| 132 | } |
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| 133 | |||
| 134 | static inline int sysfs_rename_dir_ns(struct kobject *kobj, |
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| 135 | const char *new_name, const void *new_ns) |
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| 136 | { |
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| 137 | return 0; |
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| 138 | } |
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| 139 | |||
| 140 | static inline int sysfs_move_dir_ns(struct kobject *kobj, |
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| 141 | struct kobject *new_parent_kobj, |
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| 142 | const void *new_ns) |
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| 143 | { |
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| 144 | return 0; |
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| 145 | } |
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| 146 | |||
| 147 | static inline int sysfs_create_mount_point(struct kobject *parent_kobj, |
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| 148 | const char *name) |
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| 149 | { |
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| 150 | return 0; |
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| 151 | } |
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| 152 | |||
| 153 | static inline void sysfs_remove_mount_point(struct kobject *parent_kobj, |
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| 154 | const char *name) |
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| 155 | { |
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| 156 | } |
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| 157 | |||
| 158 | static inline int sysfs_create_file_ns(struct kobject *kobj, |
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| 159 | const struct attribute *attr, |
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| 160 | const void *ns) |
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| 161 | { |
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| 162 | return 0; |
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| 163 | } |
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| 164 | |||
| 165 | static inline int sysfs_create_files(struct kobject *kobj, |
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| 166 | const struct attribute **attr) |
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| 167 | { |
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| 168 | return 0; |
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| 169 | } |
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| 170 | |||
| 171 | static inline int sysfs_chmod_file(struct kobject *kobj, |
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| 172 | const struct attribute *attr, umode_t mode) |
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| 173 | { |
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| 174 | return 0; |
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| 175 | } |
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| 176 | |||
| 177 | static inline void sysfs_remove_file_ns(struct kobject *kobj, |
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| 178 | const struct attribute *attr, |
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| 179 | const void *ns) |
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| 180 | { |
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| 181 | } |
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| 182 | |||
| 183 | static inline bool sysfs_remove_file_self(struct kobject *kobj, |
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| 184 | const struct attribute *attr) |
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| 185 | { |
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| 186 | return false; |
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| 187 | } |
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| 188 | |||
| 189 | static inline void sysfs_remove_files(struct kobject *kobj, |
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| 190 | const struct attribute **attr) |
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| 191 | { |
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| 192 | } |
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| 193 | |||
| 194 | static inline int sysfs_create_bin_file(struct kobject *kobj, |
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| 195 | const struct bin_attribute *attr) |
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| 196 | { |
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| 197 | return 0; |
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| 198 | } |
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| 199 | |||
| 200 | static inline void sysfs_remove_bin_file(struct kobject *kobj, |
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| 201 | const struct bin_attribute *attr) |
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| 202 | { |
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| 203 | } |
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| 204 | |||
| 7143 | serge | 205 | static inline int sysfs_create_link(struct kobject *kobj, |
| 206 | struct kobject *target, const char *name) |
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| 207 | { |
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| 208 | return 0; |
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| 209 | } |
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| 6102 | serge | 210 | |
| 211 | static inline int sysfs_create_link_nowarn(struct kobject *kobj, |
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| 212 | struct kobject *target, |
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| 213 | const char *name) |
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| 214 | { |
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| 215 | return 0; |
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| 216 | } |
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| 217 | |||
| 7143 | serge | 218 | static inline void sysfs_remove_link(struct kobject *kobj, const char *name) |
| 219 | { |
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| 220 | } |
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| 6102 | serge | 221 | |
| 222 | static inline int sysfs_rename_link_ns(struct kobject *k, struct kobject *t, |
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| 223 | const char *old_name, |
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| 224 | const char *new_name, const void *ns) |
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| 225 | { |
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| 226 | return 0; |
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| 227 | } |
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| 228 | |||
| 229 | static inline void sysfs_delete_link(struct kobject *k, struct kobject *t, |
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| 230 | const char *name) |
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| 231 | { |
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| 232 | } |
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| 233 | |||
| 6936 | serge | 234 | static inline int sysfs_create_group(struct kobject *kobj, |
| 235 | const struct attribute_group *grp) |
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| 236 | { |
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| 237 | return 0; |
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| 238 | } |
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| 6102 | serge | 239 | |
| 6936 | serge | 240 | static inline int sysfs_create_groups(struct kobject *kobj, |
| 241 | const struct attribute_group **groups) |
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| 242 | { |
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| 243 | return 0; |
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| 244 | } |
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| 245 | |||
| 246 | static inline int sysfs_update_group(struct kobject *kobj, |
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| 247 | const struct attribute_group *grp) |
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| 248 | { |
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| 249 | return 0; |
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| 250 | } |
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| 251 | |||
| 252 | static inline void sysfs_remove_group(struct kobject *kobj, |
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| 253 | const struct attribute_group *grp) |
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| 254 | { |
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| 255 | } |
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| 256 | |||
| 257 | static inline void sysfs_remove_groups(struct kobject *kobj, |
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| 258 | const struct attribute_group **groups) |
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| 259 | { |
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| 260 | } |
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| 261 | |||
| 6102 | serge | 262 | static inline int sysfs_add_file_to_group(struct kobject *kobj, |
| 263 | const struct attribute *attr, const char *group) |
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| 264 | { |
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| 265 | return 0; |
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| 266 | } |
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| 267 | |||
| 268 | static inline void sysfs_remove_file_from_group(struct kobject *kobj, |
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| 269 | const struct attribute *attr, const char *group) |
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| 270 | { |
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| 271 | } |
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| 272 | |||
| 6936 | serge | 273 | static inline int sysfs_merge_group(struct kobject *kobj, |
| 274 | const struct attribute_group *grp) |
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| 275 | { |
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| 276 | return 0; |
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| 277 | } |
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| 278 | |||
| 279 | static inline void sysfs_unmerge_group(struct kobject *kobj, |
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| 280 | const struct attribute_group *grp) |
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| 281 | { |
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| 282 | } |
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| 283 | |||
| 6102 | serge | 284 | static inline int sysfs_add_link_to_group(struct kobject *kobj, |
| 285 | const char *group_name, struct kobject *target, |
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| 286 | const char *link_name) |
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| 287 | { |
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| 288 | return 0; |
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| 289 | } |
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| 290 | |||
| 291 | static inline void sysfs_remove_link_from_group(struct kobject *kobj, |
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| 292 | const char *group_name, const char *link_name) |
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| 293 | { |
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| 294 | } |
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| 295 | |||
| 296 | static inline int __compat_only_sysfs_link_entry_to_kobj( |
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| 297 | struct kobject *kobj, |
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| 298 | struct kobject *target_kobj, |
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| 299 | const char *target_name) |
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| 300 | { |
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| 301 | return 0; |
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| 302 | } |
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| 303 | |||
| 304 | static inline void sysfs_notify(struct kobject *kobj, const char *dir, |
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| 305 | const char *attr) |
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| 306 | { |
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| 307 | } |
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| 308 | |||
| 309 | static inline int __must_check sysfs_init(void) |
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| 310 | { |
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| 311 | return 0; |
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| 312 | } |
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| 313 | |||
| 314 | #endif /* CONFIG_SYSFS */ |
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| 315 | #endif /* _SYSFS_H_ */ |