149d4d9b6SPaolo Bonzini /* 249d4d9b6SPaolo Bonzini * General purpose implementation of a simple periodic countdown timer. 349d4d9b6SPaolo Bonzini * 449d4d9b6SPaolo Bonzini * Copyright (c) 2007 CodeSourcery. 549d4d9b6SPaolo Bonzini * 649d4d9b6SPaolo Bonzini * This code is licensed under the GNU LGPL. 749d4d9b6SPaolo Bonzini */ 849d4d9b6SPaolo Bonzini #ifndef PTIMER_H 949d4d9b6SPaolo Bonzini #define PTIMER_H 1049d4d9b6SPaolo Bonzini 1149d4d9b6SPaolo Bonzini #include "qemu-common.h" 121de7afc9SPaolo Bonzini #include "qemu/timer.h" 13caf71f86SPaolo Bonzini #include "migration/vmstate.h" 1449d4d9b6SPaolo Bonzini 1549d4d9b6SPaolo Bonzini /* ptimer.c */ 1649d4d9b6SPaolo Bonzini typedef struct ptimer_state ptimer_state; 1749d4d9b6SPaolo Bonzini typedef void (*ptimer_cb)(void *opaque); 1849d4d9b6SPaolo Bonzini 1949d4d9b6SPaolo Bonzini ptimer_state *ptimer_init(QEMUBH *bh); 2049d4d9b6SPaolo Bonzini void ptimer_set_period(ptimer_state *s, int64_t period); 2149d4d9b6SPaolo Bonzini void ptimer_set_freq(ptimer_state *s, uint32_t freq); 22*578c4b2fSDmitry Osipenko uint64_t ptimer_get_limit(ptimer_state *s); 2349d4d9b6SPaolo Bonzini void ptimer_set_limit(ptimer_state *s, uint64_t limit, int reload); 2449d4d9b6SPaolo Bonzini uint64_t ptimer_get_count(ptimer_state *s); 2549d4d9b6SPaolo Bonzini void ptimer_set_count(ptimer_state *s, uint64_t count); 2649d4d9b6SPaolo Bonzini void ptimer_run(ptimer_state *s, int oneshot); 2749d4d9b6SPaolo Bonzini void ptimer_stop(ptimer_state *s); 2849d4d9b6SPaolo Bonzini 29701a8f76SPaolo Bonzini extern const VMStateDescription vmstate_ptimer; 30701a8f76SPaolo Bonzini 3120bcf73fSPeter Maydell #define VMSTATE_PTIMER(_field, _state) \ 3220bcf73fSPeter Maydell VMSTATE_STRUCT_POINTER_V(_field, _state, 1, vmstate_ptimer, ptimer_state) 33701a8f76SPaolo Bonzini 34a1f05e79SPeter Maydell #define VMSTATE_PTIMER_ARRAY(_f, _s, _n) \ 35a1f05e79SPeter Maydell VMSTATE_ARRAY_OF_POINTER_TO_STRUCT(_f, _s, _n, 0, \ 36a1f05e79SPeter Maydell vmstate_ptimer, ptimer_state) 37a1f05e79SPeter Maydell 3849d4d9b6SPaolo Bonzini #endif 39