RMIXL_PCIE_ECFG_SIZE
size = (u_long)RMIXL_PCIE_ECFG_SIZE / (1024 * 1024);
u_long n = RMIXL_PCIE_ECFG_SIZE / (1024 * 1024);
rcp->rc_pci_ecfg_size = (bus_size_t)RMIXL_PCIE_ECFG_SIZE;