| /** |
| * Describes functions for converting IOMMU 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-iommu.h" |
| |
| //Converts a single IOMMU specific DMAr CPER section into JSON IR. |
| json_object* cper_section_dmar_iommu_to_ir(void* section, EFI_ERROR_SECTION_DESCRIPTOR* descriptor) |
| { |
| EFI_IOMMU_DMAR_ERROR_DATA* iommu_error = (EFI_IOMMU_DMAR_ERROR_DATA*)section; |
| json_object* section_ir = json_object_new_object(); |
| |
| //Revision. |
| json_object_object_add(section_ir, "revision", json_object_new_int(iommu_error->Revision)); |
| |
| //IOMMU registers. |
| json_object_object_add(section_ir, "controlRegister", json_object_new_uint64(iommu_error->Control)); |
| json_object_object_add(section_ir, "statusRegister", json_object_new_uint64(iommu_error->Status)); |
| |
| //IOMMU event log entry. |
| //todo: implement as specified in the IOMMU specification |
| |
| //Device table entry (as base64). |
| char* encoded = b64_encode((unsigned char*)iommu_error->DeviceTableEntry, 32); |
| json_object_object_add(section_ir, "deviceTableEntry", json_object_new_string(encoded)); |
| free(encoded); |
| |
| //Page table entries. |
| json_object_object_add(section_ir, "pageTableEntry_Level6", json_object_new_uint64(iommu_error->PteL6)); |
| json_object_object_add(section_ir, "pageTableEntry_Level5", json_object_new_uint64(iommu_error->PteL5)); |
| json_object_object_add(section_ir, "pageTableEntry_Level4", json_object_new_uint64(iommu_error->PteL4)); |
| json_object_object_add(section_ir, "pageTableEntry_Level3", json_object_new_uint64(iommu_error->PteL3)); |
| json_object_object_add(section_ir, "pageTableEntry_Level2", json_object_new_uint64(iommu_error->PteL2)); |
| json_object_object_add(section_ir, "pageTableEntry_Level1", json_object_new_uint64(iommu_error->PteL1)); |
| |
| return section_ir; |
| } |