dmtimer.c

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    1 /*******************************************************************************
    2 **
    3 *Copyright (c) 2014 PMC-Sierra, Inc.  All rights reserved. 
    4 *
    5 *Redistribution and use in source and binary forms, with or without modification, are permitted provided 
    6 *that the following conditions are met: 
    7 *1. Redistributions of source code must retain the above copyright notice, this list of conditions and the
    8 *following disclaimer. 
    9 *2. Redistributions in binary form must reproduce the above copyright notice, 
   10 *this list of conditions and the following disclaimer in the documentation and/or other materials provided
   11 *with the distribution. 
   12 *
   13 *THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED 
   14 *WARRANTIES,INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
   15 *FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   16 *FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 
   17 *NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 
   18 *BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 
   19 *LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 
   20 *SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE
   21 
   22 **
   23 ********************************************************************************/
   24 #include <sys/cdefs.h>
   25 __FBSDID("$FreeBSD$");
   26 #include <dev/pms/config.h>
   27 
   28 #include <dev/pms/freebsd/driver/common/osenv.h>
   29 #include <dev/pms/freebsd/driver/common/ostypes.h>
   30 #include <dev/pms/freebsd/driver/common/osdebug.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 #ifdef FDS_DM
   37 #include <dev/pms/RefTisa/discovery/api/dm.h>
   38 #include <dev/pms/RefTisa/discovery/api/dmapi.h>
   39 #include <dev/pms/RefTisa/discovery/api/tddmapi.h>
   40 
   41 #include <dev/pms/RefTisa/discovery/dm/dmdefs.h>
   42 #include <dev/pms/RefTisa/discovery/dm/dmtypes.h>
   43 #include <dev/pms/RefTisa/discovery/dm/dmproto.h>
   44 
   45 osGLOBAL void   
   46 dmTimerTick(dmRoot_t            *dmRoot )
   47 {
   48   DM_DBG6(("dmTimerTick: start\n"));
   49   
   50   dmProcessTimers(dmRoot);
   51 
   52   return;
   53 }                                                                                                                                       
   54                                 
   55 osGLOBAL void
   56 dmInitTimerRequest(
   57                      dmRoot_t                *dmRoot, 
   58                      dmTimerRequest_t        *timerRequest
   59                      )
   60 {
   61   timerRequest->timeout       = 0;
   62   timerRequest->timerCBFunc   = agNULL;
   63   timerRequest->timerData1     = agNULL;
   64   timerRequest->timerData2     = agNULL;
   65   timerRequest->timerData3     = agNULL;
   66   DMLIST_INIT_ELEMENT((&timerRequest->timerLink));
   67 }
   68 
   69 osGLOBAL void
   70 dmSetTimerRequest(
   71                   dmRoot_t            *dmRoot,
   72                   dmTimerRequest_t    *timerRequest,
   73                   bit32               timeout,
   74                   dmTimerCBFunc_t     CBFunc,
   75                   void                *timerData1,
   76                   void                *timerData2,
   77                   void                *timerData3
   78                   )
   79 {
   80   timerRequest->timeout     = timeout;
   81   timerRequest->timerCBFunc = CBFunc;
   82   timerRequest->timerData1   = timerData1;
   83   timerRequest->timerData2   = timerData2;
   84   timerRequest->timerData3   = timerData3;
   85 }
   86 
   87 osGLOBAL void
   88 dmAddTimer(
   89            dmRoot_t            *dmRoot,
   90            dmList_t            *timerListHdr, 
   91            dmTimerRequest_t    *timerRequest
   92           )
   93 {
   94   tddmSingleThreadedEnter(dmRoot, DM_TIMER_LOCK);
   95   DMLIST_ENQUEUE_AT_TAIL(&(timerRequest->timerLink), timerListHdr);
   96   timerRequest->timerRunning = agTRUE;
   97   tddmSingleThreadedLeave(dmRoot, DM_TIMER_LOCK);
   98 }
   99 
  100 osGLOBAL void
  101 dmKillTimer(
  102             dmRoot_t            *dmRoot,
  103             dmTimerRequest_t    *timerRequest
  104            )
  105 {
  106   tddmSingleThreadedEnter(dmRoot, DM_TIMER_LOCK);
  107   timerRequest->timerRunning = agFALSE;
  108   DMLIST_DEQUEUE_THIS(&(timerRequest->timerLink));
  109   tddmSingleThreadedLeave(dmRoot, DM_TIMER_LOCK);
  110 }
  111 
  112 
  113 osGLOBAL void 
  114 dmProcessTimers(
  115                 dmRoot_t *dmRoot
  116                 )
  117 {
  118   dmIntRoot_t               *dmIntRoot    = (dmIntRoot_t *)dmRoot->dmData;
  119   dmIntContext_t            *dmAllShared = (dmIntContext_t *)&dmIntRoot->dmAllShared;
  120   dmTimerRequest_t          *timerRequest_to_process = agNULL;
  121   dmList_t                  *timerlist_to_process, *nexttimerlist = agNULL;
  122 
  123   
  124   timerlist_to_process = &dmAllShared->timerlist;
  125   
  126   timerlist_to_process = timerlist_to_process->flink;
  127 
  128   while ((timerlist_to_process != agNULL) && (timerlist_to_process != &dmAllShared->timerlist))
  129   {
  130     nexttimerlist = timerlist_to_process->flink;
  131     
  132     tddmSingleThreadedEnter(dmRoot, DM_TIMER_LOCK);
  133     timerRequest_to_process = DMLIST_OBJECT_BASE(dmTimerRequest_t, timerLink, timerlist_to_process);
  134     tddmSingleThreadedLeave(dmRoot, DM_TIMER_LOCK);
  135     
  136     if (timerRequest_to_process == agNULL)
  137     {
  138       DM_DBG1(("dmProcessTimers: timerRequest_to_process is NULL! Error!!!\n"));
  139       return;      
  140     }
  141     
  142     timerRequest_to_process->timeout--;
  143     
  144     if (timerRequest_to_process->timeout == 0)
  145     {      
  146       tddmSingleThreadedEnter(dmRoot, DM_TIMER_LOCK);
  147       timerRequest_to_process->timerRunning = agFALSE;
  148       DMLIST_DEQUEUE_THIS(timerlist_to_process);
  149       tddmSingleThreadedLeave(dmRoot, DM_TIMER_LOCK);
  150       /* calling call back function */
  151       (timerRequest_to_process->timerCBFunc)(dmRoot, 
  152                                              timerRequest_to_process->timerData1, 
  153                                              timerRequest_to_process->timerData2, 
  154                                              timerRequest_to_process->timerData3 
  155                                              );
  156     }
  157     timerlist_to_process = nexttimerlist;
  158   }
  159 
  160  return;
  161 }
  162 #endif /* FDS_ DM */
  163

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FreeBSD/Linux Kernel Cross Reference sys/dev/pms/RefTisa/discovery/dm/dmtimer.c

FreeBSD/Linux Kernel Cross Reference
sys/dev/pms/RefTisa/discovery/dm/dmtimer.c