/*******************************************************************************
*Copyright (c) 2014 PMC-Sierra, 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
*
* $FreeBSD$
*
********************************************************************************/
/*******************************************************************************/
/** \file
*
* The file defines list data structures for SAS/SATA TD layer
*
*/
#ifndef __TDLIST_H__
#define __TDLIST_H__
typedef struct tdList_s tdList_t;
struct tdList_s {
tdList_t *flink;
tdList_t *blink;
};
#define TDLIST_NEXT_ENTRY(ptr, type, member) \
container_of((ptr)->flink, type, member)
#define TDLIST_INIT_HDR(hdr) \
do { \
((tdList_t *)(hdr))->flink = (tdList_t *)(hdr); \
((tdList_t *)(hdr))->blink = (tdList_t *)(hdr); \
} while (0)
#define TDLIST_INIT_ELEMENT(hdr) \
do { \
((tdList_t *)(hdr))->flink = (tdList_t *)agNULL; \
((tdList_t *)(hdr))->blink = (tdList_t *)agNULL; \
} while (0)
#define TDLIST_ENQUEUE_AT_HEAD(toAddHdr,listHdr) \
do { \
((tdList_t *)(toAddHdr))->flink = ((tdList_t *)(listHdr))->flink; \
((tdList_t *)(toAddHdr))->blink = (tdList_t *)(listHdr) ; \
((tdList_t *)(listHdr))->flink->blink = (tdList_t *)(toAddHdr); \
((tdList_t *)(listHdr))->flink = (tdList_t *)(toAddHdr); \
} while (0)
#define TDLIST_ENQUEUE_AT_TAIL(toAddHdr,listHdr) \
do { \
((tdList_t *)(toAddHdr))->flink = (tdList_t *)(listHdr); \
((tdList_t *)(toAddHdr))->blink = ((tdList_t *)(listHdr))->blink; \
((tdList_t *)(listHdr))->blink->flink = (tdList_t *)(toAddHdr); \
((tdList_t *)(listHdr))->blink = (tdList_t *)(toAddHdr); \
} while (0)
#define TDLIST_EMPTY(listHdr) \
(((tdList_t *)(listHdr))->flink == ((tdList_t *)(listHdr)))
#define TDLIST_NOT_EMPTY(listHdr) \
(!TDLIST_EMPTY(listHdr))
#define TDLIST_DEQUEUE_THIS(hdr) \
do { \
((tdList_t *)(hdr))->blink->flink = ((tdList_t *)(hdr))->flink; \
((tdList_t *)(hdr))->flink->blink = ((tdList_t *)(hdr))->blink; \
((tdList_t *)(hdr))->flink = ((tdList_t *)(hdr))->blink = agNULL; \
} while (0)
#define TDLIST_DEQUEUE_FROM_HEAD_FAST(atHeadHdr,listHdr) \
do { \
*((tdList_t **)(atHeadHdr)) = ((tdList_t *)(listHdr))->flink; \
(*((tdList_t **)(atHeadHdr)))->flink->blink = (tdList_t *)(listHdr); \
((tdList_t *)(listHdr))->flink = (*(tdList_t **)(atHeadHdr))->flink; \
} while (0)
#define TDLIST_DEQUEUE_FROM_HEAD(atHeadHdr,listHdr) \
do { \
if (TDLIST_NOT_EMPTY((listHdr))) \
{ \
TDLIST_DEQUEUE_FROM_HEAD_FAST(atHeadHdr,listHdr); \
} \
else \
{ \
(*((tdList_t **)(atHeadHdr))) = (tdList_t *)agNULL; \
} \
} while (0)
#define TDLIST_DEQUEUE_FROM_TAIL_FAST(atTailHdr,listHdr) \
do { \
(*((tdList_t **)(atTailHdr))) = ((tdList_t *)(listHdr))->blink; \
(*((tdList_t **)(atTailHdr)))->blink->flink = (tdList_t *)(listHdr); \
((tdList_t *)(listHdr))->blink = (*((tdList_t **)(atTailHdr)))->blink; \
} while (0)
#define TDLIST_DEQUEUE_FROM_TAIL(atTailHdr,listHdr) \
do { \
if (TDLIST_NOT_EMPTY((listHdr))) \
{ \
TDLIST_DEQUEUE_FROM_TAIL_FAST(atTailHdr,listHdr); \
} \
else \
{ \
(*((tdList_t **)(atTailHdr))) = (tdList_t *)agNULL; \
} \
} while (0)
#define TDLIST_ENQUEUE_LIST_AT_TAIL_FAST(toAddListHdr, listHdr) \
do { \
((tdList_t *)toAddListHdr)->blink->flink = ((tdList_t *)listHdr); \
((tdList_t *)toAddListHdr)->flink->blink = ((tdList_t *)listHdr)->blink; \
((tdList_t *)listHdr)->blink->flink = ((tdList_t *)toAddListHdr)->flink; \
((tdList_t *)listHdr)->blink = ((tdList_t *)toAddListHdr)->blink; \
TDLIST_INIT_HDR(toAddListHdr); \
} while (0)
#define TDLIST_ENQUEUE_LIST_AT_TAIL(toAddListHdr, listHdr) \
do { \
if (TDLIST_NOT_EMPTY(toAddListHdr)) \
{ \
TDLIST_ENQUEUE_LIST_AT_TAIL_FAST(toAddListHdr, listHdr); \
} \
} while (0)
#define TDLIST_ENQUEUE_LIST_AT_HEAD_FAST(toAddListHdr, listHdr) \
do { \
((tdList_t *)toAddListHdr)->blink->flink = ((tdList_t *)listHdr)->flink; \
((tdList_t *)toAddListHdr)->flink->blink = ((tdList_t *)listHdr); \
((tdList_t *)listHdr)->flink->blink = ((tdList_t *)toAddListHdr)->blink; \
((tdList_t *)listHdr)->flink = ((tdList_t *)toAddListHdr)->flink; \
TDLIST_INIT_HDR(toAddListHdr); \
} while (0)
#define TDLIST_ENQUEUE_LIST_AT_HEAD(toAddListHdr, listHdr) \
do { \
if (TDLIST_NOT_EMPTY(toAddListHdr)) \
{ \
TDLIST_ENQUEUE_LIST_AT_HEAD_FAST(toAddListHdr, listHdr); \
} \
} while (0)
#define TD_FIELD_OFFSET(baseType,fieldName) \
((bit32)((bitptr)(&(((baseType *)0)->fieldName))))
#define TDLIST_OBJECT_BASE(baseType,fieldName,fieldPtr) \
(void *)fieldPtr == (void *)0 ? (baseType *)0 : \
((baseType *)((bit8 *)(fieldPtr) - ((bitptr)(&(((baseType *)0)->fieldName)))))
#endif /* __TDLIST_H__ */