Symbol: ACPI_OPREG_PCICFG
sys/dev/acpi/dsdt.c
2317
[ACPI_OPREG_PCICFG] = { NULL, aml_opreg_pcicfg_handler },
sys/dev/acpi/dsdt.c
2517
if (rgn->v_opregion.iospace == ACPI_OPREG_PCICFG) {