diff options
Diffstat (limited to 'rtemsbsd/powerpc/include/linux/kobject.h')
| -rw-r--r-- | rtemsbsd/powerpc/include/linux/kobject.h | 173 |
1 files changed, 173 insertions, 0 deletions
diff --git a/rtemsbsd/powerpc/include/linux/kobject.h b/rtemsbsd/powerpc/include/linux/kobject.h new file mode 100644 index 00000000..794d5095 --- /dev/null +++ b/rtemsbsd/powerpc/include/linux/kobject.h @@ -0,0 +1,173 @@ +/*- + * Copyright (c) 2010 Isilon Systems, Inc. + * Copyright (c) 2010 iX Systems, Inc. + * Copyright (c) 2010 Panasas, Inc. + * Copyright (c) 2013, 2014 Mellanox Technologies, Ltd. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice unmodified, this list of conditions, and the following + * disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * $FreeBSD$ + */ +#ifndef _LINUX_KOBJECT_H_ +#define _LINUX_KOBJECT_H_ + +#include <machine/stdarg.h> + +#include <linux/kernel.h> +#include <linux/kref.h> +#include <linux/slab.h> + +#if 0 +struct kobject; +struct sysctl_oid; + +struct kobj_type { + void (*release)(struct kobject *kobj); + const struct sysfs_ops *sysfs_ops; + struct attribute **default_attrs; +}; + +extern struct kobj_type kfree_type; + +struct kobject { + struct kobject *parent; + char *name; + struct kref kref; + struct kobj_type *ktype; + struct list_head entry; + struct sysctl_oid *oidp; +}; + +extern struct kobject *mm_kobj; + +static inline void +kobject_init(struct kobject *kobj, struct kobj_type *ktype) +{ + + kref_init(&kobj->kref); + INIT_LIST_HEAD(&kobj->entry); + kobj->ktype = ktype; + kobj->oidp = NULL; +} + +static inline void kobject_put(struct kobject *kobj); +void kobject_release(struct kref *kref); + +static inline void +kobject_put(struct kobject *kobj) +{ + + if (kobj) + kref_put(&kobj->kref, kobject_release); +} + +static inline struct kobject * +kobject_get(struct kobject *kobj) +{ + + if (kobj) + kref_get(&kobj->kref); + return kobj; +} + +static inline int +kobject_set_name_vargs(struct kobject *kobj, const char *fmt, va_list args) +{ + char *old; + char *name; + + old = kobj->name; + + if (old && !fmt) + return 0; + + name = kzalloc(MAXPATHLEN, GFP_KERNEL); + if (!name) + return -ENOMEM; + vsnprintf(name, MAXPATHLEN, fmt, args); + kobj->name = name; + kfree(old); + for (; *name != '\0'; name++) + if (*name == '/') + *name = '!'; + return (0); +} + +int kobject_add(struct kobject *kobj, struct kobject *parent, + const char *fmt, ...); + +static inline struct kobject * +kobject_create(void) +{ + struct kobject *kobj; + + kobj = kzalloc(sizeof(*kobj), GFP_KERNEL); + if (kobj == NULL) + return (NULL); + kobject_init(kobj, &kfree_type); + + return (kobj); +} + +static inline struct kobject * +kobject_create_and_add(const char *name, struct kobject *parent) +{ + struct kobject *kobj; + + kobj = kobject_create(); + if (kobj == NULL) + return (NULL); + if (kobject_add(kobj, parent, "%s", name) == 0) + return (kobj); + kobject_put(kobj); + + return (NULL); +} + + +static inline char * +kobject_name(const struct kobject *kobj) +{ + + return kobj->name; +} + +int kobject_set_name(struct kobject *kobj, const char *fmt, ...); +int kobject_init_and_add(struct kobject *kobj, struct kobj_type *ktype, + struct kobject *parent, const char *fmt, ...); + +/* sysfs.h calles for 'kobject' which is defined here, + * so we need to add the include only after the 'kobject' def. + */ +#include <linux/sysfs.h> + +struct kobj_attribute { + struct attribute attr; + ssize_t (*show)(struct kobject *kobj, struct kobj_attribute *attr, + char *buf); + ssize_t (*store)(struct kobject *kobj, struct kobj_attribute *attr, + const char *buf, size_t count); +}; +#endif + +#endif /* _LINUX_KOBJECT_H_ */ |