1 /** 2 * Describes functions for converting VT-d specific DMAr CPER sections from binary and JSON format 3 * into an intermediate format. 4 * 5 * Author: Lawrence.Tang@arm.com 6 **/ 7 #include <stdio.h> 8 #include "json.h" 9 #include "../edk/Cper.h" 10 #include "../cper-utils.h" 11 #include "cper-section-dmar-vtd.h" 12 13 //Converts a single VT-d specific DMAr CPER section into JSON IR. 14 json_object* cper_section_dmar_vtd_to_ir(void* section, EFI_ERROR_SECTION_DESCRIPTOR* descriptor) 15 { 16 EFI_DIRECTED_IO_DMAR_ERROR_DATA* vtd_error = (EFI_DIRECTED_IO_DMAR_ERROR_DATA*)section; 17 json_object* section_ir = json_object_new_object(); 18 19 //Version, revision and OEM ID, as defined in the VT-d architecture. 20 UINT64 oem_id = (vtd_error->OemId[0] << 16) + (vtd_error->OemId[1] << 8) + vtd_error->OemId[2]; 21 json_object_object_add(section_ir, "version", json_object_new_int(vtd_error->Version)); 22 json_object_object_add(section_ir, "revision", json_object_new_int(vtd_error->Revision)); 23 json_object_object_add(section_ir, "oemID", json_object_new_uint64(oem_id)); 24 25 //Registers. 26 json_object_object_add(section_ir, "capabilityRegister", json_object_new_uint64(vtd_error->Capability)); 27 json_object_object_add(section_ir, "extendedCapabilityRegister", json_object_new_uint64(vtd_error->CapabilityEx)); 28 json_object_object_add(section_ir, "globalCommandRegister", json_object_new_uint64(vtd_error->GlobalCommand)); 29 json_object_object_add(section_ir, "globalStatusRegister", json_object_new_uint64(vtd_error->GlobalStatus)); 30 json_object_object_add(section_ir, "faultStatusRegister", json_object_new_uint64(vtd_error->FaultStatus)); 31 32 //Fault record, root and context entry. 33 //todo: Look at the VT-d specification and implement 34 35 //PTE entry for all page levels. 36 json_object_object_add(section_ir, "pageTableEntry_Level6", json_object_new_uint64(vtd_error->PteL6)); 37 json_object_object_add(section_ir, "pageTableEntry_Level5", json_object_new_uint64(vtd_error->PteL5)); 38 json_object_object_add(section_ir, "pageTableEntry_Level4", json_object_new_uint64(vtd_error->PteL4)); 39 json_object_object_add(section_ir, "pageTableEntry_Level3", json_object_new_uint64(vtd_error->PteL3)); 40 json_object_object_add(section_ir, "pageTableEntry_Level2", json_object_new_uint64(vtd_error->PteL2)); 41 json_object_object_add(section_ir, "pageTableEntry_Level1", json_object_new_uint64(vtd_error->PteL1)); 42 43 return section_ir; 44 }