95 lines
3.6 KiB
C
95 lines
3.6 KiB
C
/* k_pipe_util.h */
|
|
|
|
/*
|
|
* Copyright (c) 1997-2012, 2014 Wind River Systems, Inc.
|
|
*
|
|
* 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.
|
|
*
|
|
* 3) Neither the name of Wind River Systems nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software without
|
|
* specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT HOLDER 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.
|
|
*/
|
|
|
|
#ifndef _K_PIPE_UTIL_H
|
|
#define _K_PIPE_UTIL_H
|
|
|
|
/* high-level behavior of the channel service */
|
|
|
|
#define CANCEL_TIMERS
|
|
|
|
/***********************************/
|
|
/* TARGET channels functionality: */
|
|
/***********************************/
|
|
|
|
typedef uint32_t REQ_TYPE;
|
|
#define _ALLREQ ((REQ_TYPE)0x0000FF00)
|
|
#define _SYNCREQ ((REQ_TYPE)0x00000100)
|
|
#define _SYNCREQL ((REQ_TYPE)0x00000200)
|
|
#define _ASYNCREQ ((REQ_TYPE)0x00000400)
|
|
|
|
typedef uint32_t TIME_TYPE;
|
|
#define _ALLTIME ((TIME_TYPE)0x00FF0000)
|
|
#define _TIME_NB ((TIME_TYPE)0x00010000)
|
|
#define _TIME_B ((TIME_TYPE)0x00020000)
|
|
#define _TIME_BT ((TIME_TYPE)0x00040000)
|
|
|
|
/* K functions: */
|
|
|
|
extern void K_ChSendReq(struct k_args *ReqOrig);
|
|
extern void K_ChSendTmo(struct k_args *ReqProc);
|
|
extern void K_ChSendRpl(struct k_args *ReqProc);
|
|
extern void K_ChSendAck(struct k_args *ReqOrig);
|
|
extern void K_ChRecvReq(struct k_args *ReqOrig);
|
|
extern void K_ChRecvTmo(struct k_args *ReqProc);
|
|
extern void K_ChRecvRpl(struct k_args *ReqProc);
|
|
extern void K_ChRecvAck(struct k_args *ReqOrig);
|
|
extern void K_ChMovedAck(struct k_args *pEOXfer);
|
|
|
|
/* internal functions: */
|
|
|
|
extern void K_ChProc(struct pipe_struct *pPipe,
|
|
struct k_args *pWriter, struct k_args *pReader);
|
|
|
|
extern void mycopypacket(struct k_args **out, struct k_args *in);
|
|
|
|
int CalcFreeReaderSpace(struct k_args *pReaderList);
|
|
int CalcAvailWriterData(struct k_args *pWriterList);
|
|
|
|
void DeListWaiter(struct k_args *pReqProc);
|
|
void myfreetimer(struct k_timer **ppTimer);
|
|
|
|
K_PIPE_OPTION ChxxxGetChOpt(K_ARGS_ARGS *pChxxx);
|
|
void ChxxxSetChOpt(K_ARGS_ARGS *pChxxx, K_PIPE_OPTION option);
|
|
REQ_TYPE ChxxxGetReqType(K_ARGS_ARGS *pChxxx);
|
|
void ChxxxSetReqType(K_ARGS_ARGS *pChxxx, REQ_TYPE ReqType);
|
|
|
|
CHREQ_STATUS ChReqGetStatus(struct k_chproc *pChProc);
|
|
void ChReqSetStatus(struct k_chproc *pChProc, CHREQ_STATUS Status);
|
|
int /*BOOL */ ChReqSizeXferred(struct k_chproc *pChProc);
|
|
int /*BOOL */ ChReqSizeLeft(struct k_chproc *pChProc);
|
|
|
|
TIME_TYPE ChxxxGetTimeType(K_ARGS_ARGS *pChxxx);
|
|
void ChxxxSetTimeType(K_ARGS_ARGS *pChxxx, TIME_TYPE TimeType);
|
|
|
|
#endif /* _K_PIPE_UTIL_H */
|