diff options
Diffstat (limited to 'include/hw/ptimer.h')
| -rw-r--r-- | include/hw/ptimer.h | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/include/hw/ptimer.h b/include/hw/ptimer.h new file mode 100644 index 0000000000..28fcaf17f8 --- /dev/null +++ b/include/hw/ptimer.h @@ -0,0 +1,39 @@ +/* + * General purpose implementation of a simple periodic countdown timer. + * + * Copyright (c) 2007 CodeSourcery. + * + * This code is licensed under the GNU LGPL. + */ +#ifndef PTIMER_H +#define PTIMER_H + +#include "qemu-common.h" +#include "qemu/timer.h" +#include "migration/vmstate.h" + +/* ptimer.c */ +typedef struct ptimer_state ptimer_state; +typedef void (*ptimer_cb)(void *opaque); + +ptimer_state *ptimer_init(QEMUBH *bh); +void ptimer_set_period(ptimer_state *s, int64_t period); +void ptimer_set_freq(ptimer_state *s, uint32_t freq); +void ptimer_set_limit(ptimer_state *s, uint64_t limit, int reload); +uint64_t ptimer_get_count(ptimer_state *s); +void ptimer_set_count(ptimer_state *s, uint64_t count); +void ptimer_run(ptimer_state *s, int oneshot); +void ptimer_stop(ptimer_state *s); + +extern const VMStateDescription vmstate_ptimer; + +#define VMSTATE_PTIMER(_field, _state) { \ + .name = (stringify(_field)), \ + .version_id = (1), \ + .vmsd = &vmstate_ptimer, \ + .size = sizeof(ptimer_state *), \ + .flags = VMS_STRUCT|VMS_POINTER, \ + .offset = vmstate_offset_pointer(_state, _field, ptimer_state), \ +} + +#endif |