hw/ptimer.h

   1 /*
   2  * General purpose implementation of a simple periodic countdown timer.
   3  *
   4  * Copyright (c) 2007 CodeSourcery.
   5  *
   6  * This code is licensed under the GNU LGPL.
   7  */
   8 #ifndef PTIMER_H
   9 #define PTIMER_H
  10
  11 #include "qemu-common.h"
  12 #include "qemu-timer.h"
  13
  14 /* ptimer.c */
  15 typedef struct ptimer_state ptimer_state;
  16 typedef void (*ptimer_cb)(void *opaque);
  17
  18 ptimer_state *ptimer_init(QEMUBH *bh);
  19 void ptimer_set_period(ptimer_state *s, int64_t period);
  20 void ptimer_set_freq(ptimer_state *s, uint32_t freq);
  21 void ptimer_set_limit(ptimer_state *s, uint64_t limit, int reload);
  22 uint64_t ptimer_get_count(ptimer_state *s);
  23 void ptimer_set_count(ptimer_state *s, uint64_t count);
  24 void ptimer_run(ptimer_state *s, int oneshot);
  25 void ptimer_stop(ptimer_state *s);
  26
  27 #endif