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| Rev | Author | Line No. | Line |
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| 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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| 34 | #ifdef CONFIG_SYSFS |
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| 35 | |||
| 36 | int __must_check sysfs_create_dir_ns(struct kobject *kobj, const void *ns); |
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| 37 | void sysfs_remove_dir(struct kobject *kobj); |
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| 38 | int __must_check sysfs_rename_dir_ns(struct kobject *kobj, const char *new_name, |
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| 39 | const void *new_ns); |
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| 40 | int __must_check sysfs_move_dir_ns(struct kobject *kobj, |
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| 41 | struct kobject *new_parent_kobj, |
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| 42 | const void *new_ns); |
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| 43 | int __must_check sysfs_create_mount_point(struct kobject *parent_kobj, |
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| 44 | const char *name); |
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| 45 | void sysfs_remove_mount_point(struct kobject *parent_kobj, |
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| 46 | const char *name); |
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| 47 | |||
| 48 | int __must_check sysfs_create_file_ns(struct kobject *kobj, |
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| 49 | const struct attribute *attr, |
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| 50 | const void *ns); |
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| 51 | int __must_check sysfs_create_files(struct kobject *kobj, |
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| 52 | const struct attribute **attr); |
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| 53 | int __must_check sysfs_chmod_file(struct kobject *kobj, |
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| 54 | const struct attribute *attr, umode_t mode); |
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| 55 | void sysfs_remove_file_ns(struct kobject *kobj, const struct attribute *attr, |
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| 56 | const void *ns); |
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| 57 | bool sysfs_remove_file_self(struct kobject *kobj, const struct attribute *attr); |
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| 58 | void sysfs_remove_files(struct kobject *kobj, const struct attribute **attr); |
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| 59 | |||
| 60 | int __must_check sysfs_create_bin_file(struct kobject *kobj, |
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| 61 | const struct bin_attribute *attr); |
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| 62 | void sysfs_remove_bin_file(struct kobject *kobj, |
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| 63 | const struct bin_attribute *attr); |
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| 64 | |||
| 65 | int __must_check sysfs_create_link(struct kobject *kobj, struct kobject *target, |
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| 66 | const char *name); |
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| 67 | int __must_check sysfs_create_link_nowarn(struct kobject *kobj, |
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| 68 | struct kobject *target, |
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| 69 | const char *name); |
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| 70 | void sysfs_remove_link(struct kobject *kobj, const char *name); |
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| 71 | |||
| 72 | int sysfs_rename_link_ns(struct kobject *kobj, struct kobject *target, |
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| 73 | const char *old_name, const char *new_name, |
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| 74 | const void *new_ns); |
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| 75 | |||
| 76 | void sysfs_delete_link(struct kobject *dir, struct kobject *targ, |
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| 77 | const char *name); |
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| 78 | |||
| 79 | int __must_check sysfs_create_group(struct kobject *kobj, |
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| 80 | const struct attribute_group *grp); |
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| 81 | int __must_check sysfs_create_groups(struct kobject *kobj, |
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| 82 | const struct attribute_group **groups); |
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| 83 | int sysfs_update_group(struct kobject *kobj, |
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| 84 | const struct attribute_group *grp); |
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| 85 | void sysfs_remove_group(struct kobject *kobj, |
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| 86 | const struct attribute_group *grp); |
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| 87 | void sysfs_remove_groups(struct kobject *kobj, |
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| 88 | const struct attribute_group **groups); |
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| 89 | int sysfs_add_file_to_group(struct kobject *kobj, |
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| 90 | const struct attribute *attr, const char *group); |
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| 91 | void sysfs_remove_file_from_group(struct kobject *kobj, |
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| 92 | const struct attribute *attr, const char *group); |
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| 93 | int sysfs_merge_group(struct kobject *kobj, |
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| 94 | const struct attribute_group *grp); |
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| 95 | void sysfs_unmerge_group(struct kobject *kobj, |
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| 96 | const struct attribute_group *grp); |
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| 97 | int sysfs_add_link_to_group(struct kobject *kobj, const char *group_name, |
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| 98 | struct kobject *target, const char *link_name); |
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| 99 | void sysfs_remove_link_from_group(struct kobject *kobj, const char *group_name, |
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| 100 | const char *link_name); |
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| 101 | int __compat_only_sysfs_link_entry_to_kobj(struct kobject *kobj, |
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| 102 | struct kobject *target_kobj, |
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| 103 | const char *target_name); |
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| 104 | |||
| 105 | void sysfs_notify(struct kobject *kobj, const char *dir, const char *attr); |
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| 106 | |||
| 107 | int __must_check sysfs_init(void); |
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| 108 | |||
| 109 | static inline void sysfs_enable_ns(struct kernfs_node *kn) |
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| 110 | { |
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| 111 | return kernfs_enable_ns(kn); |
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| 112 | } |
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| 113 | |||
| 114 | #else /* CONFIG_SYSFS */ |
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| 115 | |||
| 116 | static inline int sysfs_create_dir_ns(struct kobject *kobj, const void *ns) |
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| 117 | { |
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| 118 | return 0; |
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| 119 | } |
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| 120 | |||
| 121 | static inline void sysfs_remove_dir(struct kobject *kobj) |
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| 122 | { |
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| 123 | } |
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| 124 | |||
| 125 | static inline int sysfs_rename_dir_ns(struct kobject *kobj, |
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| 126 | const char *new_name, const void *new_ns) |
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| 127 | { |
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| 128 | return 0; |
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| 129 | } |
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| 130 | |||
| 131 | static inline int sysfs_move_dir_ns(struct kobject *kobj, |
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| 132 | struct kobject *new_parent_kobj, |
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| 133 | const void *new_ns) |
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| 134 | { |
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| 135 | return 0; |
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| 136 | } |
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| 137 | |||
| 138 | static inline int sysfs_create_mount_point(struct kobject *parent_kobj, |
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| 139 | const char *name) |
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| 140 | { |
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| 141 | return 0; |
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| 142 | } |
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| 143 | |||
| 144 | static inline void sysfs_remove_mount_point(struct kobject *parent_kobj, |
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| 145 | const char *name) |
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| 146 | { |
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| 147 | } |
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| 148 | |||
| 149 | static inline int sysfs_create_file_ns(struct kobject *kobj, |
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| 150 | const struct attribute *attr, |
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| 151 | const void *ns) |
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| 152 | { |
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| 153 | return 0; |
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| 154 | } |
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| 155 | |||
| 156 | static inline int sysfs_create_files(struct kobject *kobj, |
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| 157 | const struct attribute **attr) |
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| 158 | { |
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| 159 | return 0; |
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| 160 | } |
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| 161 | |||
| 162 | static inline int sysfs_chmod_file(struct kobject *kobj, |
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| 163 | const struct attribute *attr, umode_t mode) |
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| 164 | { |
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| 165 | return 0; |
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| 166 | } |
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| 167 | |||
| 168 | static inline void sysfs_remove_file_ns(struct kobject *kobj, |
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| 169 | const struct attribute *attr, |
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| 170 | const void *ns) |
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| 171 | { |
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| 172 | } |
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| 173 | |||
| 174 | static inline bool sysfs_remove_file_self(struct kobject *kobj, |
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| 175 | const struct attribute *attr) |
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| 176 | { |
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| 177 | return false; |
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| 178 | } |
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| 179 | |||
| 180 | static inline void sysfs_remove_files(struct kobject *kobj, |
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| 181 | const struct attribute **attr) |
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| 182 | { |
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| 183 | } |
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| 184 | |||
| 185 | static inline int sysfs_create_bin_file(struct kobject *kobj, |
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| 186 | const struct bin_attribute *attr) |
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| 187 | { |
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| 188 | return 0; |
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| 189 | } |
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| 190 | |||
| 191 | static inline void sysfs_remove_bin_file(struct kobject *kobj, |
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| 192 | const struct bin_attribute *attr) |
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| 193 | { |
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| 194 | } |
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| 195 | |||
| 196 | #define sysfs_create_link(kobj,target, name) (0) |
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| 197 | |||
| 198 | static inline int sysfs_create_link_nowarn(struct kobject *kobj, |
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| 199 | struct kobject *target, |
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| 200 | const char *name) |
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| 201 | { |
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| 202 | return 0; |
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| 203 | } |
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| 204 | |||
| 205 | #define sysfs_remove_link(kobj, name) |
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| 206 | |||
| 207 | static inline int sysfs_rename_link_ns(struct kobject *k, struct kobject *t, |
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| 208 | const char *old_name, |
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| 209 | const char *new_name, const void *ns) |
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| 210 | { |
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| 211 | return 0; |
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| 212 | } |
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| 213 | |||
| 214 | static inline void sysfs_delete_link(struct kobject *k, struct kobject *t, |
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| 215 | const char *name) |
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| 216 | { |
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| 217 | } |
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| 218 | |||
| 219 | |||
| 220 | static inline int sysfs_add_file_to_group(struct kobject *kobj, |
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| 221 | const struct attribute *attr, const char *group) |
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| 222 | { |
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| 223 | return 0; |
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| 224 | } |
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| 225 | |||
| 226 | static inline void sysfs_remove_file_from_group(struct kobject *kobj, |
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| 227 | const struct attribute *attr, const char *group) |
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| 228 | { |
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| 229 | } |
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| 230 | |||
| 231 | static inline int sysfs_add_link_to_group(struct kobject *kobj, |
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| 232 | const char *group_name, struct kobject *target, |
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| 233 | const char *link_name) |
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| 234 | { |
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| 235 | return 0; |
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| 236 | } |
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| 237 | |||
| 238 | static inline void sysfs_remove_link_from_group(struct kobject *kobj, |
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| 239 | const char *group_name, const char *link_name) |
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| 240 | { |
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| 241 | } |
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| 242 | |||
| 243 | static inline int __compat_only_sysfs_link_entry_to_kobj( |
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| 244 | struct kobject *kobj, |
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| 245 | struct kobject *target_kobj, |
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| 246 | const char *target_name) |
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| 247 | { |
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| 248 | return 0; |
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| 249 | } |
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| 250 | |||
| 251 | static inline void sysfs_notify(struct kobject *kobj, const char *dir, |
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| 252 | const char *attr) |
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| 253 | { |
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| 254 | } |
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| 255 | |||
| 256 | static inline int __must_check sysfs_init(void) |
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| 257 | { |
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| 258 | return 0; |
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| 259 | } |
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| 260 | |||
| 261 | #endif /* CONFIG_SYSFS */ |
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| 262 | #endif /* _SYSFS_H_ */ |