4eb18346d1
list.h includes a number of FreeBSD headers as a workaround for the LIST_HEAD name collision. To reduce pollution, avoid including list.h in commonly used headers when it is not explicitly needed. Reviewed by: hselasky MFC after: 1 week Differential Revision: https://reviews.freebsd.org/D11249
150 lines
3.8 KiB
C
150 lines
3.8 KiB
C
/*-
|
|
* 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/list.h>
|
|
#include <linux/slab.h>
|
|
|
|
struct kobject;
|
|
struct sysctl_oid;
|
|
|
|
struct kobj_type {
|
|
void (*release)(struct kobject *kobj);
|
|
const struct sysfs_ops *sysfs_ops;
|
|
struct attribute **default_attrs;
|
|
};
|
|
|
|
extern const struct kobj_type linux_kfree_type;
|
|
|
|
struct kobject {
|
|
struct kobject *parent;
|
|
char *name;
|
|
struct kref kref;
|
|
const struct kobj_type *ktype;
|
|
struct list_head entry;
|
|
struct sysctl_oid *oidp;
|
|
};
|
|
|
|
extern struct kobject *mm_kobj;
|
|
|
|
struct attribute {
|
|
const char *name;
|
|
struct module *owner;
|
|
mode_t mode;
|
|
};
|
|
|
|
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);
|
|
};
|
|
|
|
static inline void
|
|
kobject_init(struct kobject *kobj, const struct kobj_type *ktype)
|
|
{
|
|
|
|
kref_init(&kobj->kref);
|
|
INIT_LIST_HEAD(&kobj->entry);
|
|
kobj->ktype = ktype;
|
|
kobj->oidp = NULL;
|
|
}
|
|
|
|
void linux_kobject_release(struct kref *kref);
|
|
|
|
static inline void
|
|
kobject_put(struct kobject *kobj)
|
|
{
|
|
|
|
if (kobj)
|
|
kref_put(&kobj->kref, linux_kobject_release);
|
|
}
|
|
|
|
static inline struct kobject *
|
|
kobject_get(struct kobject *kobj)
|
|
{
|
|
|
|
if (kobj)
|
|
kref_get(&kobj->kref);
|
|
return kobj;
|
|
}
|
|
|
|
int kobject_set_name_vargs(struct kobject *kobj, const char *fmt, va_list);
|
|
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, &linux_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, const struct kobj_type *ktype,
|
|
struct kobject *parent, const char *fmt, ...);
|
|
|
|
#endif /* _LINUX_KOBJECT_H_ */
|