]> git.proxmox.com Git - mirror_qemu.git/blame - include/hw/ptimer.h
virtio-blk: embed VirtQueueElement in VirtIOBlockReq
[mirror_qemu.git] / include / hw / ptimer.h
CommitLineData
49d4d9b6
PB
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"
1de7afc9 12#include "qemu/timer.h"
caf71f86 13#include "migration/vmstate.h"
49d4d9b6
PB
14
15/* ptimer.c */
16typedef struct ptimer_state ptimer_state;
17typedef void (*ptimer_cb)(void *opaque);
18
19ptimer_state *ptimer_init(QEMUBH *bh);
20void ptimer_set_period(ptimer_state *s, int64_t period);
21void ptimer_set_freq(ptimer_state *s, uint32_t freq);
22void ptimer_set_limit(ptimer_state *s, uint64_t limit, int reload);
23uint64_t ptimer_get_count(ptimer_state *s);
24void ptimer_set_count(ptimer_state *s, uint64_t count);
25void ptimer_run(ptimer_state *s, int oneshot);
26void ptimer_stop(ptimer_state *s);
27
701a8f76
PB
28extern const VMStateDescription vmstate_ptimer;
29
20bcf73f
PM
30#define VMSTATE_PTIMER(_field, _state) \
31 VMSTATE_STRUCT_POINTER_V(_field, _state, 1, vmstate_ptimer, ptimer_state)
701a8f76 32
a1f05e79
PM
33#define VMSTATE_PTIMER_ARRAY(_f, _s, _n) \
34 VMSTATE_ARRAY_OF_POINTER_TO_STRUCT(_f, _s, _n, 0, \
35 vmstate_ptimer, ptimer_state)
36
49d4d9b6 37#endif