io/pci/pci_boot.c

904 	uchar_t parbus, subbus;
954 	subbus = pci_getb(bus, dev, func, PCI_BCNF_SUBBUS);
970 		 * Try to find and allocate a bus-range starting at subbus+1
976 			    subbus + 1, range, 1) != NULL)
981 			    subbus + 1, range);
982 			subbus = subbus + range;
983 			pci_bus_res[secbus].sub_bus = subbus;
984 			pci_putb(bus, dev, func, PCI_BCNF_SUBBUS, subbus);
989 			    secbus, subbus);
1004 	io_size = (subbus - secbus + 1) * 0x200;
1019 	mem_size = (subbus - secbus + 1) * PPB_MEM_ALIGNMENT;
1950 		uchar_t subbus = 0;
1955 			subbus = pci_getb(bus, dev, func, PCI_BCNF_SUBBUS);
1957 		pci_cfgacc_add_workaround(bdf, secbus, subbus);
2785 	uchar_t subbus = pci_getb(bus, dev, func, PCI_BCNF_SUBBUS);
2788 	ASSERT(secbus <= subbus);
2801 	if (subbus > pci_bios_maxbus) {
2802 		pci_bios_maxbus = subbus;
2813 	pci_bus_res[secbus].sub_bus = subbus;
2819 	if (subbus > pci_bus_res[bus].sub_bus)
2820 		pci_bus_res[bus].sub_bus = subbus;
2829 	for (i = secbus + 1; i <= subbus; i++)