iommu/intel/iommu_impl.cpp

218     ds::Bdf bdf = decode_bus_txn_id(bus_txn_id);
232         if (scopes[i].start_bus == bdf.bus() &&
233             scopes[i].dev_func[0] == bdf.packed_dev_and_func()) {
265     ds::Bdf bdf = decode_bus_txn_id(bus_txn_id);
269     zx_status_t status = GetOrCreateDeviceContextLocked(bdf, &dev);
294     ds::Bdf bdf = decode_bus_txn_id(bus_txn_id);
298     zx_status_t status = GetOrCreateDeviceContextLocked(bdf, &dev);
314     ds::Bdf bdf = decode_bus_txn_id(bus_txn_id);
318     zx_status_t status = GetOrCreateDeviceContextLocked(bdf, &dev);
437             ds::Bdf bdf;
438             bdf.set_bus(scopes[i].start_bus);
439             bdf.set_dev(static_cast<uint8_t>(scopes[i].dev_func[0] >> 3));
440             bdf.set_func(static_cast<uint8_t>(scopes[i].dev_func[0] & 0x7));
443             zx_status_t status = GetOrCreateDeviceContextLocked(bdf, &dev);
449                     mem->base_addr + mem->len, bdf.bus(), bdf.dev(), bdf.func());
720 zx_status_t IommuImpl::GetOrCreateContextTableLocked(ds::Bdf bdf, ContextTableState** tbl) {
726     volatile ds::RootEntrySubentry* target_entry = &root_table->entry[bdf.bus()].lower;
727     if (supports_extended_context_ && bdf.dev() >= 16) {
730         target_entry = &root_table->entry[bdf.bus()].upper;
738             if (context_table.includes_bdf(bdf)) {
747     zx_status_t status = ContextTableState::Create(static_cast<uint8_t>(bdf.bus()),
749                                                    bdf.dev() >= 16 /* upper */,
761 zx_status_t IommuImpl::GetOrCreateDeviceContextLocked(ds::Bdf bdf, DeviceContext** context) {
765     zx_status_t status = GetOrCreateContextTableLocked(bdf, &ctx_table_state);
770     status = ctx_table_state->GetDeviceContext(bdf, context);
781     return ctx_table_state->CreateDeviceContext(bdf, domain_id, context);
789     ds::Bdf bdf = decode_bus_txn_id(bus_txn_id);
793     zx_status_t status = GetOrCreateDeviceContextLocked(bdf, &dev);
806     ds::Bdf bdf = decode_bus_txn_id(bus_txn_id);
810     zx_status_t status = GetOrCreateDeviceContextLocked(bdf, &dev);