smtimer.c

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    1 /*******************************************************************************
    2 *Copyright (c) 2014 PMC-Sierra, Inc.  All rights reserved. 
    3 *
    4 *Redistribution and use in source and binary forms, with or without modification, are permitted provided 
    5 *that the following conditions are met: 
    6 *1. Redistributions of source code must retain the above copyright notice, this list of conditions and the
    7 *following disclaimer. 
    8 *2. Redistributions in binary form must reproduce the above copyright notice, 
    9 *this list of conditions and the following disclaimer in the documentation and/or other materials provided
   10 *with the distribution. 
   11 *
   12 *THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED 
   13 *WARRANTIES,INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
   14 *FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   15 *FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 
   16 *NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 
   17 *BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 
   18 *LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 
   19 *SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE
   20 
   21 ********************************************************************************/
   22 #include <sys/cdefs.h>
   23 __FBSDID("$FreeBSD$");
   24 #include <dev/pms/config.h>
   25 
   26 #include <dev/pms/freebsd/driver/common/osenv.h>
   27 #include <dev/pms/freebsd/driver/common/ostypes.h>
   28 #include <dev/pms/freebsd/driver/common/osdebug.h>
   29 
   30 #include <dev/pms/RefTisa/tisa/api/titypes.h>
   31 
   32 #include <dev/pms/RefTisa/sallsdk/api/sa.h>
   33 #include <dev/pms/RefTisa/sallsdk/api/saapi.h>
   34 #include <dev/pms/RefTisa/sallsdk/api/saosapi.h>
   35 
   36 #include <dev/pms/RefTisa/sat/api/sm.h>
   37 #include <dev/pms/RefTisa/sat/api/smapi.h>
   38 #include <dev/pms/RefTisa/sat/api/tdsmapi.h>
   39 
   40 #include <dev/pms/RefTisa/sat/src/smdefs.h>
   41 #include <dev/pms/RefTisa/sat/src/smproto.h>
   42 #include <dev/pms/RefTisa/sat/src/smtypes.h>
   43 
   44 osGLOBAL void   
   45 smTimerTick(smRoot_t            *smRoot )
   46 {
   47   SM_DBG6(("smTimerTick: start\n"));
   48   
   49   smProcessTimers(smRoot);
   50 
   51   return;
   52 }                                                                                                                                       
   53                                 
   54 osGLOBAL void
   55 smInitTimerRequest(
   56                      smRoot_t                *smRoot, 
   57                      smTimerRequest_t        *timerRequest
   58                      )
   59 {
   60   timerRequest->timeout       = 0;
   61   timerRequest->timerCBFunc   = agNULL;
   62   timerRequest->timerData1     = agNULL;
   63   timerRequest->timerData2     = agNULL;
   64   timerRequest->timerData3     = agNULL;
   65   SMLIST_INIT_ELEMENT((&timerRequest->timerLink));
   66 }
   67 
   68 osGLOBAL void
   69 smSetTimerRequest(
   70                   smRoot_t            *smRoot,
   71                   smTimerRequest_t    *timerRequest,
   72                   bit32               timeout,
   73                   smTimerCBFunc_t     CBFunc,
   74                   void                *timerData1,
   75                   void                *timerData2,
   76                   void                *timerData3
   77                   )
   78 {
   79   timerRequest->timeout     = timeout;
   80   timerRequest->timerCBFunc = CBFunc;
   81   timerRequest->timerData1   = timerData1;
   82   timerRequest->timerData2   = timerData2;
   83   timerRequest->timerData3   = timerData3;
   84 }
   85 
   86 osGLOBAL void
   87 smAddTimer(
   88            smRoot_t            *smRoot,
   89            smList_t            *timerListHdr, 
   90            smTimerRequest_t    *timerRequest
   91           )
   92 {
   93   tdsmSingleThreadedEnter(smRoot, SM_TIMER_LOCK);
   94   SMLIST_ENQUEUE_AT_TAIL(&(timerRequest->timerLink), timerListHdr);
   95   timerRequest->timerRunning = agTRUE;
   96   tdsmSingleThreadedLeave(smRoot, SM_TIMER_LOCK);
   97 }
   98 
   99 osGLOBAL void
  100 smKillTimer(
  101             smRoot_t            *smRoot,
  102             smTimerRequest_t    *timerRequest
  103            )
  104 {
  105   tdsmSingleThreadedEnter(smRoot, SM_TIMER_LOCK);
  106   timerRequest->timerRunning = agFALSE;
  107   SMLIST_DEQUEUE_THIS(&(timerRequest->timerLink));
  108   tdsmSingleThreadedLeave(smRoot, SM_TIMER_LOCK);
  109 }
  110 
  111 osGLOBAL void 
  112 smProcessTimers(
  113                 smRoot_t *smRoot
  114                 )
  115 {
  116   smIntRoot_t               *smIntRoot    = (smIntRoot_t *)smRoot->smData;
  117   smIntContext_t            *smAllShared = (smIntContext_t *)&smIntRoot->smAllShared;
  118   smTimerRequest_t          *timerRequest_to_process = agNULL;
  119   smList_t                  *timerlist_to_process, *nexttimerlist = agNULL;
  120 
  121   
  122   timerlist_to_process = &smAllShared->timerlist;
  123   
  124   timerlist_to_process = timerlist_to_process->flink;
  125 
  126   while ((timerlist_to_process != agNULL) && (timerlist_to_process != &smAllShared->timerlist))
  127   {
  128     nexttimerlist = timerlist_to_process->flink;
  129     
  130     tdsmSingleThreadedEnter(smRoot, SM_TIMER_LOCK);
  131     timerRequest_to_process = SMLIST_OBJECT_BASE(smTimerRequest_t, timerLink, timerlist_to_process);
  132     tdsmSingleThreadedLeave(smRoot, SM_TIMER_LOCK);
  133 
  134     if (timerRequest_to_process == agNULL)
  135     {
  136       SM_DBG1(("smProcessTimers: timerRequest_to_process is NULL! Error!!!\n"));
  137       return;      
  138     }
  139     
  140     timerRequest_to_process->timeout--;
  141     
  142     if (timerRequest_to_process->timeout == 0)
  143     {
  144       timerRequest_to_process->timerRunning = agFALSE;
  145       
  146       tdsmSingleThreadedEnter(smRoot, SM_TIMER_LOCK);
  147       SMLIST_DEQUEUE_THIS(timerlist_to_process);
  148       tdsmSingleThreadedLeave(smRoot, SM_TIMER_LOCK);
  149       /* calling call back function */
  150       (timerRequest_to_process->timerCBFunc)(smRoot, 
  151                                              timerRequest_to_process->timerData1, 
  152                                              timerRequest_to_process->timerData2, 
  153                                              timerRequest_to_process->timerData3 
  154                                              );
  155     }
  156     timerlist_to_process = nexttimerlist;
  157   }
  158 
  159  return;
  160 }
  161

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FreeBSD/Linux Kernel Cross Reference sys/dev/pms/RefTisa/sat/src/smtimer.c

FreeBSD/Linux Kernel Cross Reference
sys/dev/pms/RefTisa/sat/src/smtimer.c