Example #1
0
File: ssd.c Project: vishnu89/gijoe
static void ssd_access_complete_element(ioreq_event *curr)
{
   ssd_t *currdisk;
   int elem_num;
   ssd_element  *elem;
   ioreq_event *x;

   currdisk = getssd (curr->devno);
   elem_num = currdisk->timing_t->choose_element(currdisk->timing_t, curr->blkno);
   ASSERT(elem_num == curr->ssd_elem_num);
   elem = &currdisk->elements[elem_num];

   if ((x = ioqueue_physical_access_done(elem->queue,curr)) == NULL) {
      fprintf(stderr, "ssd_access_complete:  ioreq_event not found by ioqueue_physical_access_done call\n");
      exit(1);
   }

   // all the reqs are over
   if (ioqueue_get_reqoutstanding(elem->queue) == 0) {
    elem->media_busy = FALSE;
   }

   ssd_complete_parent(curr, currdisk);
   addtoextraq((event *) curr);
   ssd_activate_elem(currdisk, elem_num);
}
Example #2
0
static void ssd_access_complete_element(ioreq_event *curr)
{
   ssd_t *currdisk;
   int elem_num;
   ssd_element  *elem;
   ioreq_event *x;
   int lba;

   currdisk = getssd (curr->devno);
   elem_num = ssd_choose_element(currdisk->user_params, curr->blkno);
   ASSERT(elem_num == curr->ssd_elem_num);
   elem = &currdisk->elements[elem_num];

   lba = ssd_logical_pageno(curr->blkno, currdisk);

   if(curr->flags & READ){
	   fprintf(outputfile5, "%10.6f %d %d %d\n", simtime, lba, elem_num, curr->blkno); 
   }
   else {
	   fprintf(outputfile4, "%10.6f %d %d %d\n", simtime, lba, elem_num, curr->blkno); 
   }

   if ((x = ioqueue_physical_access_done(elem->queue,curr)) == NULL) {
      fprintf(stderr, "ssd_access_complete:  ioreq_event not found by ioqueue_physical_access_done call\n");
      exit(1);
   }

   ssd_dpower(currdisk, 0);

   // all the reqs are over
   if (ioqueue_get_reqoutstanding(elem->queue) == 0) {
		elem->media_busy = FALSE;
   }

   ssd_complete_parent(curr, currdisk);
   addtoextraq((event *) curr);


   // added by tiel
   // activate request create simtime, type, elem_num
   //{
	  // ioreq_event *temp = (ioreq_event *)getfromextraq();
	  // temp->type = SSD_ACTIVATE_ELEM;
	  // temp->time = simtime + (2*currdisk->params.channel_switch_delay);
	  // //temp->time = simtime;
	  // temp->ssd_elem_num = elem_num;
	  // addtointq ((event *)temp);
   //}

   //printf("time %f \n",simtime);
   ssd_activate_elem(currdisk, elem_num);
}
Example #3
0
static void ssd_access_complete_element(ioreq_event *curr)
{
   ssd_t *currdisk;
   int elem_num;
   ssd_element  *elem;
   ioreq_event *x;
   int lba;

   currdisk = getssd (curr->devno);
   elem_num = ssd_choose_element(currdisk->user_params, curr->blkno);
   ASSERT(elem_num == curr->ssd_elem_num);
   elem = &currdisk->elements[elem_num];
   lba = ssd_logical_blockno(curr->blkno, currdisk);

   if(curr->flags & READ){
	   fprintf(outputfile5, "%10.6f %d %d %d\n", simtime, lba, elem_num, curr->blkno); 
   }
   else {
	   fprintf(outputfile4, "%10.6f %d %d %d\n", simtime, lba, elem_num, curr->blkno); 
   }

   if ((x = ioqueue_physical_access_done(elem->queue,curr)) == NULL) {
      fprintf(stderr, "ssd_access_complete:  ioreq_event not found by ioqueue_physical_access_done call\n");
      exit(1);
   }

   ssd_dpower(currdisk, 0);

   // all the reqs are over
   if (ioqueue_get_reqoutstanding(elem->queue) == 0) {
		elem->media_busy = FALSE;
   }

   ssd_complete_parent(curr, currdisk);
   addtoextraq((event *) curr);
   ssd_activate_elem(currdisk, elem_num);
}