1
0
mirror of https://git.FreeBSD.org/src.git synced 2024-12-23 11:18:54 +00:00
freebsd/sys/dev/rr232x/list.h
Scott Long 9bcb275009 Add the 'rr232x' driver for the HighPoint RocketRAID 2320 series of cards.
This driver was generously developed and donated by Highpoint.

It is enabled for i386 only at the moment.  I will enable it for amd64
shortly.

Obtained from: HighPoint Technologies, Inc.
2006-04-27 20:22:46 +00:00

122 lines
3.5 KiB
C

#include <dev/rr232x/rr232x_config.h>
/*
* $Id: list.h,v 1.4 2006/02/15 07:24:38 gmm Exp $
* Copyright (C) 2004-2005 HighPoint Technologies, Inc. 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, 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 AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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 _HPT_LIST_H_
#define _HPT_LIST_H_
#ifndef _LINUX_LIST_H
#define HPT_INLINE __inline
struct list_head {
struct list_head *next, *prev;
};
#define INIT_LIST_HEAD(ptr) do { (ptr)->next = (ptr); (ptr)->prev = (ptr); } while (0)
static HPT_INLINE void __list_add(struct list_head * _new, struct list_head * prev, struct list_head * next)
{
next->prev = _new;
_new->next = next;
_new->prev = prev;
prev->next = _new;
}
static HPT_INLINE void list_add(struct list_head *_new, struct list_head *head)
{
__list_add(_new, head, head->next);
}
static HPT_INLINE void list_add_tail(struct list_head *_new, struct list_head *head)
{
__list_add(_new, head->prev, head);
}
static HPT_INLINE void __list_del(struct list_head * prev, struct list_head * next)
{
next->prev = prev;
prev->next = next;
}
static HPT_INLINE void list_del(struct list_head *entry)
{
__list_del(entry->prev, entry->next);
}
static HPT_INLINE void list_del_init(struct list_head *entry)
{
__list_del(entry->prev, entry->next);
INIT_LIST_HEAD(entry);
}
static HPT_INLINE int list_empty(struct list_head *head)
{
HPT_ASSERT(!(head->next==head && head->prev!=head));
return head->next == head;
}
static HPT_INLINE void __list_splice(struct list_head *list,
struct list_head *head)
{
struct list_head *first = list->next;
struct list_head *last = list->prev;
struct list_head *at = head->next;
first->prev = head;
head->next = first;
last->next = at;
at->prev = last;
}
static HPT_INLINE void list_splice(struct list_head *list, struct list_head *head)
{
if (!list_empty(list))
__list_splice(list, head);
}
static HPT_INLINE void list_splice_init(struct list_head *list, struct list_head *head)
{
if (!list_empty(list)) {
__list_splice(list, head);
INIT_LIST_HEAD(list);
}
}
#define list_entry(ptr, type, member) \
((type *)((char *)(ptr)-(HPT_UPTR)(&((type *)0)->member)))
#define list_for_each(pos, head) \
for (pos = (head)->next; pos != (head); pos = pos->next)
#define get_first_item(attached, type, member) \
((type *)((char *)((attached)->next)-(HPT_UPTR)(&((type *)0)->member)))
#endif
#endif