| /** |
| * Describes functions for converting VT-d specific DMAr CPER sections from binary and JSON format |
| * into an intermediate format. |
| * |
| * Author: Lawrence.Tang@arm.com |
| **/ |
| #include <stdio.h> |
| #include "json.h" |
| #include "b64.h" |
| #include "../edk/Cper.h" |
| #include "../cper-utils.h" |
| #include "cper-section-dmar-vtd.h" |
| |
| //Converts a single VT-d specific DMAr CPER section into JSON IR. |
| json_object* cper_section_dmar_vtd_to_ir(void* section, EFI_ERROR_SECTION_DESCRIPTOR* descriptor) |
| { |
| EFI_DIRECTED_IO_DMAR_ERROR_DATA* vtd_error = (EFI_DIRECTED_IO_DMAR_ERROR_DATA*)section; |
| json_object* section_ir = json_object_new_object(); |
| |
| //Version, revision and OEM ID, as defined in the VT-d architecture. |
| UINT64 oem_id = (vtd_error->OemId[0] << 16) + (vtd_error->OemId[1] << 8) + vtd_error->OemId[2]; |
| json_object_object_add(section_ir, "version", json_object_new_int(vtd_error->Version)); |
| json_object_object_add(section_ir, "revision", json_object_new_int(vtd_error->Revision)); |
| json_object_object_add(section_ir, "oemID", json_object_new_uint64(oem_id)); |
| |
| //Registers. |
| json_object_object_add(section_ir, "capabilityRegister", json_object_new_uint64(vtd_error->Capability)); |
| json_object_object_add(section_ir, "extendedCapabilityRegister", json_object_new_uint64(vtd_error->CapabilityEx)); |
| json_object_object_add(section_ir, "globalCommandRegister", json_object_new_uint64(vtd_error->GlobalCommand)); |
| json_object_object_add(section_ir, "globalStatusRegister", json_object_new_uint64(vtd_error->GlobalStatus)); |
| json_object_object_add(section_ir, "faultStatusRegister", json_object_new_uint64(vtd_error->FaultStatus)); |
| |
| //Fault record basic fields. |
| json_object* fault_record_ir = json_object_new_object(); |
| EFI_VTD_FAULT_RECORD* fault_record = (EFI_VTD_FAULT_RECORD*)vtd_error->FaultRecord; |
| json_object_object_add(fault_record_ir, "faultInformation", json_object_new_uint64(fault_record->FaultInformation)); |
| json_object_object_add(fault_record_ir, "sourceIdentifier", json_object_new_uint64(fault_record->SourceIdentifier)); |
| json_object_object_add(fault_record_ir, "privelegeModeRequested", |
| json_object_new_boolean(fault_record->PrivelegeModeRequested)); |
| json_object_object_add(fault_record_ir, "executePermissionRequested", |
| json_object_new_boolean(fault_record->ExecutePermissionRequested)); |
| json_object_object_add(fault_record_ir, "pasidPresent", json_object_new_boolean(fault_record->PasidPresent)); |
| json_object_object_add(fault_record_ir, "faultReason", json_object_new_uint64(fault_record->FaultReason)); |
| json_object_object_add(fault_record_ir, "pasidValue", json_object_new_uint64(fault_record->PasidValue)); |
| json_object_object_add(fault_record_ir, "addressType", json_object_new_uint64(fault_record->AddressType)); |
| |
| //Fault record address type. |
| json_object* fault_record_type = integer_to_readable_pair(fault_record->Type, 2, |
| VTD_FAULT_RECORD_TYPES_KEYS, |
| VTD_FAULT_RECORD_TYPES_VALUES, |
| "Unknown"); |
| json_object_object_add(fault_record_ir, "type", fault_record_type); |
| json_object_object_add(section_ir, "faultRecord", fault_record_ir); |
| |
| //Root entry. |
| char* encoded = b64_encode((unsigned char*)vtd_error->RootEntry, 16); |
| json_object_object_add(section_ir, "rootEntry", json_object_new_string(encoded)); |
| free(encoded); |
| |
| //Context entry. |
| encoded = b64_encode((unsigned char*)vtd_error->ContextEntry, 16); |
| json_object_object_add(section_ir, "contextEntry", json_object_new_string(encoded)); |
| free(encoded); |
| |
| //PTE entry for all page levels. |
| json_object_object_add(section_ir, "pageTableEntry_Level6", json_object_new_uint64(vtd_error->PteL6)); |
| json_object_object_add(section_ir, "pageTableEntry_Level5", json_object_new_uint64(vtd_error->PteL5)); |
| json_object_object_add(section_ir, "pageTableEntry_Level4", json_object_new_uint64(vtd_error->PteL4)); |
| json_object_object_add(section_ir, "pageTableEntry_Level3", json_object_new_uint64(vtd_error->PteL3)); |
| json_object_object_add(section_ir, "pageTableEntry_Level2", json_object_new_uint64(vtd_error->PteL2)); |
| json_object_object_add(section_ir, "pageTableEntry_Level1", json_object_new_uint64(vtd_error->PteL1)); |
| |
| return section_ir; |
| } |