103 lines
4.0 KiB
C
103 lines
4.0 KiB
C
/* kchan.h */
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/*
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* Copyright (c) 1997-2012, 2014 Wind River Systems, Inc.
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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 are met:
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*
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* 1) Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2) Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* 3) Neither the name of Wind River Systems nor the names of its contributors
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* may be used to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND 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 COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef KCHAN_H
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#define KCHAN_H
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/***********************************/
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/* TARGET channels functionality: */
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/***********************************/
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#include "ch_cfg.h" /* defines the high-level behavior of the channel service \
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*/
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/* K functions: */
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extern void K_ChSendReq(struct k_args *ReqOrig);
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extern void K_ChSendTmo(struct k_args *ReqProc);
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extern void K_ChSendRpl(struct k_args *ReqProc);
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extern void K_ChSendAck(struct k_args *ReqOrig);
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extern void K_ChRecvReq(struct k_args *ReqOrig);
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extern void K_ChRecvTmo(struct k_args *ReqProc);
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extern void K_ChRecvRpl(struct k_args *ReqProc);
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extern void K_ChRecvAck(struct k_args *ReqOrig);
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extern void K_ChMovedAck(struct k_args *pEOXfer);
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/* these are not real K_ functions: */
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extern void K_ChProcWO(struct pipe_struct *pPipe, struct k_args *pWriter);
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extern void K_ChProcRO(struct pipe_struct *pPipe, struct k_args *pReader);
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extern void K_ChProcWR(struct pipe_struct *pPipe, struct k_args *pWriter, struct k_args *pReader);
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extern void K_ChProc(struct pipe_struct *pPipe, struct k_args *pWriter, struct k_args *pReader);
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/* internal functions: */
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extern void mycopypacket(struct k_args **out, struct k_args *in);
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int CalcFreeReaderSpace(struct k_args *pReaderList);
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int CalcAvailWriterData(struct k_args *pWriterList);
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void DeListWaiter(struct k_args *pReqProc);
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void myfreetimer(K_TIMER **ppTimer);
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void setup_movedata(struct k_args *A,
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struct pipe_struct *pPipe,
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XFER_TYPE XferType,
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struct k_args *pWriter,
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struct k_args *pReader,
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knode_t destnode,
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void *destination,
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knode_t srcnode,
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void *source,
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uint32_t size,
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int XferID);
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int CalcChanProcPrio(int iChanDefaultPrio, int iWriterPrio, int iReaderPrio);
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void SetChanProcPrio(struct k_args *pMvdReq,
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struct k_args *pContSend,
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struct k_args *pContRecv,
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struct k_args *pWriter,
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struct k_args *pReader);
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K_PIPE_OPTION ChxxxGetChOpt(K_ARGS_ARGS *pChxxx);
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void ChxxxSetChOpt(K_ARGS_ARGS *pChxxx, K_PIPE_OPTION option);
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REQ_TYPE ChxxxGetReqType(K_ARGS_ARGS *pChxxx);
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void ChxxxSetReqType(K_ARGS_ARGS *pChxxx, REQ_TYPE ReqType);
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CHREQ_STATUS ChReqGetStatus(struct k_chproc *pChProc);
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void ChReqSetStatus(struct k_chproc *pChProc, CHREQ_STATUS Status);
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int /*BOOL */ ChReqSizeXferred(struct k_chproc *pChProc);
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int /*BOOL */ ChReqSizeLeft(struct k_chproc *pChProc);
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TIME_TYPE ChxxxGetTimeType(K_ARGS_ARGS *pChxxx);
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void ChxxxSetTimeType(K_ARGS_ARGS *pChxxx, TIME_TYPE TimeType);
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/*********************************************************************/
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#endif
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