65 static struct pirq {  struct
101 	struct pirq *pirq;  in pirq_write()  local
104 	pirq = &pirqs[pin - 1];  in pirq_write()
105 	pthread_mutex_lock(&pirq->lock);  in pirq_write()
106 	if (pirq->reg != (val & (PIRQ_DIS | PIRQ_IRQ))) {  in pirq_write()
107 		if (pirq->active_count != 0 && pirq_valid_irq(pirq->reg))  in pirq_write()
108 			vm_isa_deassert_irq(ctx, pirq->reg & PIRQ_IRQ, -1);  in pirq_write()
109 		pirq->reg = val & (PIRQ_DIS | PIRQ_IRQ);  in pirq_write()
110 		if (pirq->active_count != 0 && pirq_valid_irq(pirq->reg))  in pirq_write()
111 			vm_isa_assert_irq(ctx, pirq->reg & PIRQ_IRQ, -1);  in pirq_write()
113 	pthread_mutex_unlock(&pirq->lock);  in pirq_write()
158 	struct pirq *pirq;  in pci_irq_assert()  local
164 		pirq = &pirqs[pin - 1];  in pci_irq_assert()
165 		pthread_mutex_lock(&pirq->lock);  in pci_irq_assert()
166 		pirq->active_count++;  in pci_irq_assert()
167 		if (pirq->active_count == 1 && pirq_valid_irq(pirq->reg)) {  in pci_irq_assert()
168 			vm_isa_assert_irq(pi->pi_vmctx, pirq->reg & PIRQ_IRQ,  in pci_irq_assert()
170 			pthread_mutex_unlock(&pirq->lock);  in pci_irq_assert()
173 		pthread_mutex_unlock(&pirq->lock);  in pci_irq_assert()
181 	struct pirq *pirq;  in pci_irq_deassert()  local
187 		pirq = &pirqs[pin - 1];  in pci_irq_deassert()
188 		pthread_mutex_lock(&pirq->lock);  in pci_irq_deassert()
189 		pirq->active_count--;  in pci_irq_deassert()
190 		if (pirq->active_count == 0 && pirq_valid_irq(pirq->reg)) {  in pci_irq_deassert()
191 			vm_isa_deassert_irq(pi->pi_vmctx, pirq->reg & PIRQ_IRQ,  in pci_irq_deassert()
193 			pthread_mutex_unlock(&pirq->lock);  in pci_irq_deassert()
196 		pthread_mutex_unlock(&pirq->lock);  in pci_irq_deassert()