Lines Matching refs:port
59 * For amd64 we assume that type 1 I/O port-based access always works.
137 /* enable configuration space accesses and return data port address */
159 * Do nothing. Writing a 0 to the address port can apparently
168 int port;
171 port = pci_cfgenable(bus, slot, func, reg, bytes);
172 if (port != 0) {
175 data = inb(port);
178 data = inw(port);
181 data = inl(port);
193 int port;
196 port = pci_cfgenable(bus, slot, func, reg, bytes);
197 if (port != 0) {
200 outb(port, data);
203 outw(port, data);
206 outl(port, data);