30  * This file manages the interrupts for a hybrid I/O (hio) device.
31  * In the future, it may manage interrupts for all Neptune-based
75 	nxge_intr_t	*interrupts; /* The global interrupt data. */  in nxge_intr_add()  local
103 	interrupts = (nxge_intr_t *)&nxge->nxge_intr_type;  in nxge_intr_add()
107 	if ((status2 = ddi_intr_add_handler(interrupts->htable[vector],  in nxge_intr_add()
116 	interrupts->intr_added++;  in nxge_intr_add()
119 	if ((status2 = ddi_intr_enable(interrupts->htable[vector]))  in nxge_intr_add()
128 		interrupts->intr_enabled = B_TRUE;  in nxge_intr_add()
166 	nxge_intr_t	*interrupts; /* The global interrupt data. */  in nxge_intr_remove()  local
195 	interrupts = (nxge_intr_t *)&nxge->nxge_intr_type;  in nxge_intr_remove()
200 	if ((status2 = ddi_intr_disable(interrupts->htable[vector]))  in nxge_intr_remove()
209 	if ((status2 = ddi_intr_remove_handler(interrupts->htable[vector]))  in nxge_intr_remove()
218 		interrupts->intr_added--;  in nxge_intr_remove()
219 		if (interrupts->intr_added == 0)  in nxge_intr_remove()
220 			interrupts->intr_enabled = B_FALSE;  in nxge_intr_remove()
323 	nxge_intr_t	*interrupts; /* The global interrupt data. */  in nxge_hio_intr_add()  local
348 	interrupts = (nxge_intr_t *)&nxge->nxge_intr_type;  in nxge_hio_intr_add()
363 	if ((ddi_status = ddi_intr_add_handler(interrupts->htable[vector],  in nxge_hio_intr_add()
373 	interrupts->intr_added++;  in nxge_hio_intr_add()
376 	if ((ddi_status = ddi_intr_enable(interrupts->htable[vector]))  in nxge_hio_intr_add()
385 	interrupts->intr_enabled = B_TRUE;  in nxge_hio_intr_add()
388 	 * Note: RDC interrupts will be armed in nxge_m_start(). This  in nxge_hio_intr_add()
426 	nxge_intr_t	*interrupts; /* The global interrupt data. */  in nxge_hio_intr_remove()  local
458 	interrupts = (nxge_intr_t *)&nxge->nxge_intr_type;  in nxge_hio_intr_remove()
473 	if ((status2 = ddi_intr_disable(interrupts->htable[vector]))  in nxge_hio_intr_remove()
483 	if ((status2 = ddi_intr_remove_handler(interrupts->htable[vector]))  in nxge_hio_intr_remove()
495 		interrupts->intr_added--;  in nxge_hio_intr_remove()
496 		if (interrupts->intr_added == 0)  in nxge_hio_intr_remove()
497 			interrupts->intr_enabled = B_FALSE;  in nxge_hio_intr_remove()
508  *	Initialize interrupts in a guest domain.
526 	nxge_intr_t	*interrupts;  in nxge_hio_intr_init()  local
538 	/* Look up the "interrupts" property. */  in nxge_hio_intr_init()
540 	    "interrupts", &prop_val, &prop_len)) != DDI_PROP_SUCCESS) {  in nxge_hio_intr_init()
542 		    "==> nxge_hio_intr_init(obp): no 'interrupts' property"));  in nxge_hio_intr_init()
547 	 * For each device assigned, the content of each interrupts  in nxge_hio_intr_init()
550 	 * Assignment of interrupts property is in the the following  in nxge_hio_intr_init()
569 	interrupts = (nxge_intr_t *)&nxge->nxge_intr_type;  in nxge_hio_intr_init()
571 	interrupts->intr_registered = B_FALSE;  in nxge_hio_intr_init()
572 	interrupts->intr_enabled = B_FALSE;  in nxge_hio_intr_init()
573 	interrupts->start_inum = 0;  in nxge_hio_intr_init()
576 	    nxge->dip, &interrupts->intr_types);  in nxge_hio_intr_init()
580 		    "types = 0x%x", ddi_status, interrupts->intr_types));  in nxge_hio_intr_init()
585 	    "returned 0x%x, types = 0x%x", ddi_status, interrupts->intr_types));  in nxge_hio_intr_init()
588 	interrupts->intr_type = DDI_INTR_TYPE_FIXED;  in nxge_hio_intr_init()
591 	intr_type = interrupts->intr_type;  in nxge_hio_intr_init()
603 	    "nxge_hio_intr_init: number of available interrupts: %d", navail));  in nxge_hio_intr_init()
615 	    "nxge_hio_intr_init: number of interrupts: %d", nintrs));  in nxge_hio_intr_init()
617 	interrupts->intr_size = navail * sizeof (ddi_intr_handle_t);  in nxge_hio_intr_init()
618 	interrupts->htable = kmem_alloc(interrupts->intr_size, KM_SLEEP);  in nxge_hio_intr_init()
623 	 * interrupts are are allocated. Otherwise, it fails.  in nxge_hio_intr_init()
628 	ddi_status = ddi_intr_alloc(nxge->dip, interrupts->htable, intr_type,  in nxge_hio_intr_init()
638 	    "nxge_hio_intr_init: number of interrupts allocated: %d", nactual));  in nxge_hio_intr_init()
644 	if ((ddi_status = ddi_intr_get_pri(interrupts->htable[0],  in nxge_hio_intr_init()
645 	    (uint_t *)&interrupts->pri)) != DDI_SUCCESS) {  in nxge_hio_intr_init()
651 	    "nxge_hio_intr_init: interrupt priority: %d", interrupts->pri));  in nxge_hio_intr_init()
654 	if ((ddi_status = ddi_intr_get_cap(interrupts->htable[0],  in nxge_hio_intr_init()
655 	    &interrupts->intr_cap)) != DDI_SUCCESS) {  in nxge_hio_intr_init()
662 	    interrupts->intr_cap));  in nxge_hio_intr_init()
664 	interrupts->intr_registered = B_TRUE;  in nxge_hio_intr_init()
674  *	Uninitialize interrupts in a guest domain.
689 	nxge_intr_t *interrupts;  in nxge_hio_intr_uninit()  local
696 	interrupts = (nxge_intr_t *)&nxge->nxge_intr_type;  in nxge_hio_intr_uninit()
699 	 * If necessary, disable any currently active interrupts.  in nxge_hio_intr_uninit()
701 	if (interrupts->intr_enabled) {  in nxge_hio_intr_uninit()
726 	 * Free all of our allocated interrupts.  in nxge_hio_intr_uninit()
730 		if (interrupts->htable[i])  in nxge_hio_intr_uninit()
731 			(void) ddi_intr_free(interrupts->htable[i]);  in nxge_hio_intr_uninit()
732 		interrupts->htable[i] = 0;  in nxge_hio_intr_uninit()
735 	interrupts->intr_registered = B_FALSE;  in nxge_hio_intr_uninit()
736 	KMEM_FREE(interrupts->htable, interrupts->intr_size);  in nxge_hio_intr_uninit()
737 	interrupts->htable = NULL;  in nxge_hio_intr_uninit()
903  *	Guest domains can only add interrupts for DMA channels.
904  *	They cannot access the MAC, MIF, or SYSERR interrupts.
953 	 * <hw_config.ldg> is a copy of the "interrupts" property.  in nxge_hio_ldsv_add()
1025  *	Manage a VLDG's interrupts.