61 #define	VATPIT_LOCK(vatpit)		mutex_enter(&((vatpit)->lock))  argument
62 #define	VATPIT_UNLOCK(vatpit)		mutex_exit(&((vatpit)->lock))  argument
63 #define	VATPIT_LOCKED(vatpit)		MUTEX_HELD(&((vatpit)->lock))  argument
87 	struct vatpit	*vatpit;  member
113 struct vatpit {  struct
120 static void pit_timer_start_cntr0(struct vatpit *vatpit);  argument
123 vatpit_delta_ticks(struct vatpit *vatpit, struct channel *c)  in vatpit_delta_ticks()  argument
131 vatpit_get_out(struct vatpit *vatpit, int channel)  in vatpit_get_out()  argument
137 	c = &vatpit->channel[channel];  in vatpit_get_out()
141 		delta_ticks = vatpit_delta_ticks(vatpit, c);  in vatpit_get_out()
156 	struct vatpit *vatpit;  in vatpit_callout_handler()  local
160 	vatpit = arg->vatpit;  in vatpit_callout_handler()
161 	c = &vatpit->channel[arg->channel_num];  in vatpit_callout_handler()
164 	VATPIT_LOCK(vatpit);  in vatpit_callout_handler()
175 		pit_timer_start_cntr0(vatpit);  in vatpit_callout_handler()
185 	(void) vatpic_pulse_irq(vatpit->vm, 0);  in vatpit_callout_handler()
186 	(void) vioapic_pulse_irq(vatpit->vm, 2);  in vatpit_callout_handler()
189 	VATPIT_UNLOCK(vatpit);  in vatpit_callout_handler()
193 vatpit_callout_reset(struct vatpit *vatpit)  in vatpit_callout_reset()  argument
195 	struct channel *c = &vatpit->channel[0];  in vatpit_callout_reset()
197 	ASSERT(VATPIT_LOCKED(vatpit));  in vatpit_callout_reset()
203 pit_timer_start_cntr0(struct vatpit *vatpit)  in pit_timer_start_cntr0()  argument
205 	struct channel *c = &vatpit->channel[0];  in pit_timer_start_cntr0()
229 	vatpit_callout_reset(vatpit);  in pit_timer_start_cntr0()
233 pit_update_counter(struct vatpit *vatpit, struct channel *c, bool latch)  in pit_update_counter()  argument
255 	delta_ticks = vatpit_delta_ticks(vatpit, c);  in pit_update_counter()
269 pit_readback1(struct vatpit *vatpit, int channel, uint8_t cmd)  in pit_readback1()  argument
273 	c = &vatpit->channel[channel];  in pit_readback1()
280 		(void) pit_update_counter(vatpit, c, true);  in pit_readback1()
290 		if (c->mode == TIMER_INTTC && vatpit_get_out(vatpit, channel))  in pit_readback1()
300 pit_readback(struct vatpit *vatpit, uint8_t cmd)  in pit_readback()  argument
309 		error = pit_readback1(vatpit, 0, cmd);  in pit_readback()
311 		error = pit_readback1(vatpit, 1, cmd);  in pit_readback()
313 		error = pit_readback1(vatpit, 2, cmd);  in pit_readback()
319 vatpit_update_mode(struct vatpit *vatpit, uint8_t val)  in vatpit_update_mode()  argument
335 		return (pit_readback(vatpit, val));  in vatpit_update_mode()
352 	c = &vatpit->channel[sel >> 6];  in vatpit_update_mode()
354 		(void) pit_update_counter(vatpit, c, true);  in vatpit_update_mode()
367 	struct vatpit *vatpit = arg;  in vatpit_handler()  local
383 		VATPIT_LOCK(vatpit);  in vatpit_handler()
384 		error = vatpit_update_mode(vatpit, val);  in vatpit_handler()
385 		VATPIT_UNLOCK(vatpit);  in vatpit_handler()
393 	c = &vatpit->channel[port - TIMER_CNTR0];  in vatpit_handler()
395 	VATPIT_LOCK(vatpit);  in vatpit_handler()
412 			tmp = pit_update_counter(vatpit, c, false);  in vatpit_handler()
444 				pit_timer_start_cntr0(vatpit);  in vatpit_handler()
450 	VATPIT_UNLOCK(vatpit);  in vatpit_handler()
459 	struct vatpit *vatpit = arg;  in vatpit_nmisc_handler()  local
462 			VATPIT_LOCK(vatpit);  in vatpit_nmisc_handler()
463 			if (vatpit_get_out(vatpit, 2))  in vatpit_nmisc_handler()
468 			VATPIT_UNLOCK(vatpit);  in vatpit_nmisc_handler()
474 struct vatpit *
477 	struct vatpit *vatpit;  in vatpit_init()  local
481 	vatpit = kmem_zalloc(sizeof (struct vatpit), KM_SLEEP);  in vatpit_init()
482 	vatpit->vm = vm;  in vatpit_init()
484 	mutex_init(&vatpit->lock, NULL, MUTEX_ADAPTIVE, NULL);  in vatpit_init()
487 		callout_init(&vatpit->channel[i].callout, 1);  in vatpit_init()
488 		arg = &vatpit->channel[i].callout_arg;  in vatpit_init()
489 		arg->vatpit = vatpit;  in vatpit_init()
493 	return (vatpit);  in vatpit_init()
497 vatpit_cleanup(struct vatpit *vatpit)  in vatpit_cleanup()  argument
502 		callout_drain(&vatpit->channel[i].callout);  in vatpit_cleanup()
504 	mutex_destroy(&vatpit->lock);  in vatpit_cleanup()
505 	kmem_free(vatpit, sizeof (*vatpit));  in vatpit_cleanup()
509 vatpit_localize_resources(struct vatpit *vatpit)  in vatpit_localize_resources()  argument
513 		if (vatpit->channel[i].mode != 0) {  in vatpit_localize_resources()
514 			vmm_glue_callout_localize(&vatpit->channel[i].callout);  in vatpit_localize_resources()
520 vatpit_pause(struct vatpit *vatpit)  in vatpit_pause()  argument
522 	struct channel *c = &vatpit->channel[0];  in vatpit_pause()
524 	VATPIT_LOCK(vatpit);  in vatpit_pause()
526 	VATPIT_UNLOCK(vatpit);  in vatpit_pause()
530 vatpit_resume(struct vatpit *vatpit)  in vatpit_resume()  argument
532 	struct channel *c = &vatpit->channel[0];  in vatpit_resume()
534 	VATPIT_LOCK(vatpit);  in vatpit_resume()
537 		vatpit_callout_reset(vatpit);  in vatpit_resume()
539 	VATPIT_UNLOCK(vatpit);  in vatpit_resume()
549 	struct vatpit *vatpit = datap;  in vatpit_data_read()  local
552 	VATPIT_LOCK(vatpit);  in vatpit_data_read()
554 		const struct channel *src = &vatpit->channel[i];  in vatpit_data_read()
573 			    vm_normalize_hrtime(vatpit->vm, src->time_target);  in vatpit_data_read()
578 	VATPIT_UNLOCK(vatpit);  in vatpit_data_read()
603 	struct vatpit *vatpit = datap;  in vatpit_data_write()  local
609 	VATPIT_LOCK(vatpit);  in vatpit_data_write()
612 		struct channel *out = &vatpit->channel[i];  in vatpit_data_write()
645 		    vm_denormalize_hrtime(vatpit->vm, chan->vac_time_target);  in vatpit_data_write()
651 		if (!vm_is_paused(vatpit->vm)) {  in vatpit_data_write()
652 			vatpit_callout_reset(vatpit);  in vatpit_data_write()
655 	VATPIT_UNLOCK(vatpit);  in vatpit_data_write()