7  * 0xcf8 PCI configuration read/write.
50 		share = 0;  in xen_pcifront_enable_irq()
53 	if (rc < 0) {  in xen_pcifront_enable_irq()
61 	return 0;  in xen_pcifront_enable_irq()
69 	int shareable = 0;  in xen_register_pirq()
73 	if (irq > 0)  in xen_register_pirq()
91 		shareable = 0;  in xen_register_pirq()
99 	if (irq < 0)  in xen_register_pirq()
132 	setup_gsi.triggering = (triggering == ACPI_EDGE_SENSITIVE ? 0 : 1);  in xen_register_gsi()
133 	setup_gsi.polarity = (polarity == ACPI_ACTIVE_HIGH ? 0 : 1);  in xen_register_gsi()
186 	i = 0;  in xen_setup_msi_irqs()
194 		if (irq < 0) {  in xen_setup_msi_irqs()
217 	 * We set vector == 0 to tell the hypervisor we don't care about  in xen_msi_compose_msg()
221 	memset(msg, 0, sizeof(*msg));  in xen_msi_compose_msg()
224 	msg->arch_addr_lo.destid_0_7 = pirq & 0xFF;  in xen_msi_compose_msg()
240 		if (pirq < 0) {  in xen_hvm_setup_msi_irqs()
252 		if (irq < 0)  in xen_hvm_setup_msi_irqs()
270 	int ret = 0;  in xen_initdom_setup_msi_irqs()
278 		/* N.B. Casting int's -ENODEV to uint16_t results in 0xFFED,  in xen_initdom_setup_msi_irqs()
279 		 * hence check ret value for < 0. */  in xen_initdom_setup_msi_irqs()
280 		if (ret < 0)  in xen_initdom_setup_msi_irqs()
283 		memset(&map_irq, 0, sizeof(map_irq));  in xen_initdom_setup_msi_irqs()
320 			 * Just set ret > 0 so driver can retry with  in xen_initdom_setup_msi_irqs()
346 		if (ret < 0)  in xen_initdom_setup_msi_irqs()
356 	int ret = 0;  in xen_initdom_restore_msi()
393 		for (i = 0; i < msidesc->nvec_used; i++)  in xen_teardown_msi_irqs()
395 		msidesc->irq = 0;  in xen_teardown_msi_irqs()
514 	return 0;  in pci_xen_init()
540 		return 0;  in pci_xen_hvm_init()
558 	return 0;  in pci_xen_hvm_init()
573 	for (irq = 0; irq < NR_IRQS_LEGACY; irq++) {  in pci_xen_initial_domain()
583 	if (0 == nr_ioapics) {  in pci_xen_initial_domain()
584 		for (irq = 0; irq < nr_legacy_irqs(); irq++)  in pci_xen_initial_domain()
585 			xen_bind_pirq_gsi_to_irq(irq, irq, 0, "xt-pic");  in pci_xen_initial_domain()
587 	return 0;  in pci_xen_initial_domain()