diff options
Diffstat (limited to 'sys/compat/linuxkpi/common/include/linux/sysfs.h')
| -rw-r--r-- | sys/compat/linuxkpi/common/include/linux/sysfs.h | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/sys/compat/linuxkpi/common/include/linux/sysfs.h b/sys/compat/linuxkpi/common/include/linux/sysfs.h index 65e023031bb2..470c224a9778 100644 --- a/sys/compat/linuxkpi/common/include/linux/sysfs.h +++ b/sys/compat/linuxkpi/common/include/linux/sysfs.h @@ -189,6 +189,50 @@ sysfs_create_file(struct kobject *kobj, const struct attribute *attr) return (0); } +static inline struct kobject * +__sysfs_lookup_group(struct kobject *kobj, const char *group) +{ + int found; + struct sysctl_oid *group_oidp; + struct kobject *group_kobj; + + found = 0; + if (group != NULL) { + SYSCTL_FOREACH(group_oidp, SYSCTL_CHILDREN(kobj->oidp)) { + if (strcmp(group_oidp->oid_name, group) != 0) + continue; + found = 1; + break; + } + } else { + found = 1; + group_oidp = kobj->oidp; + } + + if (!found) + return (NULL); + + group_kobj = group_oidp->oid_arg1; + + return (group_kobj); +} + +static inline int +sysfs_add_file_to_group(struct kobject *kobj, + const struct attribute *attr, const char *group) +{ + int ret; + struct kobject *group_kobj; + + group_kobj = __sysfs_lookup_group(kobj, group); + if (group_kobj == NULL) + return (-ENOENT); + + ret = sysfs_create_file(group_kobj, attr); + + return (ret); +} + static inline void sysfs_remove_file(struct kobject *kobj, const struct attribute *attr) { @@ -197,6 +241,19 @@ sysfs_remove_file(struct kobject *kobj, const struct attribute *attr) sysctl_remove_name(kobj->oidp, attr->name, 1, 1); } +static inline void +sysfs_remove_file_from_group(struct kobject *kobj, + const struct attribute *attr, const char *group) +{ + struct kobject *group_kobj; + + group_kobj = __sysfs_lookup_group(kobj, group); + if (group_kobj == NULL) + return; + + sysfs_remove_file(group_kobj, attr); +} + static inline int sysctl_handle_bin_attr(SYSCTL_HANDLER_ARGS) { |