1fdeb1651c
This driver works for FreeBSD/i386 and FreeBSD/amd64 platforms. Many thanks to HighPoint for providing this driver. MFC after: 1 day
130 lines
3.7 KiB
C
130 lines
3.7 KiB
C
/* $Id: list.h,v 1.6 2006/10/31 06:25:28 gmm Exp $ */
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/*-
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* Copyright (C) 2005-2011 HighPoint Technologies, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#include <dev/hptnr/hptnr_config.h>
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#ifndef _HPT_LIST_H_
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#define _HPT_LIST_H_
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#ifndef _LINUX_LIST_H
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#ifndef HPT_INLINE
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#define HPT_INLINE __inline
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#endif
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struct list_head {
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struct list_head *next, *prev;
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};
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#define INIT_LIST_HEAD(ptr) do { (ptr)->next = (ptr); (ptr)->prev = (ptr); } while (0)
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static HPT_INLINE void __list_add(struct list_head * _new, struct list_head * prev, struct list_head * next)
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{
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next->prev = _new;
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_new->next = next;
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_new->prev = prev;
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prev->next = _new;
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}
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static HPT_INLINE void list_add(struct list_head *_new, struct list_head *head)
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{
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__list_add(_new, head, head->next);
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}
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static HPT_INLINE void list_add_tail(struct list_head *_new, struct list_head *head)
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{
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__list_add(_new, head->prev, head);
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}
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static HPT_INLINE void __list_del(struct list_head * prev, struct list_head * next)
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{
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next->prev = prev;
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prev->next = next;
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}
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static HPT_INLINE void list_del(struct list_head *entry)
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{
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__list_del(entry->prev, entry->next);
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}
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static HPT_INLINE void list_del_init(struct list_head *entry)
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{
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__list_del(entry->prev, entry->next);
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INIT_LIST_HEAD(entry);
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}
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static HPT_INLINE int list_empty(struct list_head *head)
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{
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HPT_ASSERT(!(head->next==head && head->prev!=head));
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return head->next == head;
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}
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static HPT_INLINE void __list_splice(struct list_head *list,
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struct list_head *head)
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{
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struct list_head *first = list->next;
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struct list_head *last = list->prev;
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struct list_head *at = head->next;
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first->prev = head;
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head->next = first;
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last->next = at;
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at->prev = last;
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}
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static HPT_INLINE void list_splice(struct list_head *list, struct list_head *head)
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{
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if (!list_empty(list))
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__list_splice(list, head);
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}
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static HPT_INLINE void list_splice_init(struct list_head *list, struct list_head *head)
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{
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if (!list_empty(list)) {
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__list_splice(list, head);
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INIT_LIST_HEAD(list);
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}
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}
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#define list_entry(ptr, type, member) \
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((type *)((char *)(ptr)-(HPT_UPTR)(&((type *)0)->member)))
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#define list_for_each(pos, head) \
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for (pos = (head)->next; pos != (head); pos = pos->next)
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#define list_for_each_safe(pos, n, head) \
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for (pos = (head)->next, n = pos->next; pos != (head); \
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pos = n, n = pos->next)
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#define get_first_item(attached, type, member) \
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((type *)((char *)((attached)->next)-(HPT_UPTR)(&((type *)0)->member)))
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#endif
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#endif
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