1 /**
2  * Describes functions for converting IOMMU 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-iommu.h"
12 
13 //Converts a single IOMMU specific DMAr CPER section into JSON IR.
14 json_object* cper_section_dmar_iommu_to_ir(void* section, EFI_ERROR_SECTION_DESCRIPTOR* descriptor)
15 {
16     EFI_IOMMU_DMAR_ERROR_DATA* iommu_error = (EFI_IOMMU_DMAR_ERROR_DATA*)section;
17     json_object* section_ir = json_object_new_object();
18 
19     //Revision.
20     json_object_object_add(section_ir, "revision", json_object_new_int(iommu_error->Revision));
21 
22     //IOMMU registers.
23     json_object_object_add(section_ir, "controlRegister", json_object_new_uint64(iommu_error->Control));
24     json_object_object_add(section_ir, "statusRegister", json_object_new_uint64(iommu_error->Status));
25 
26     //IOMMU event log entry.
27     //todo: implement as specified in the IOMMU specification
28 
29     //Device table entry.
30     //todo: dump as b64
31 
32     //Page table entries.
33     json_object_object_add(section_ir, "pageTableEntry_Level6", json_object_new_uint64(iommu_error->PteL6));
34     json_object_object_add(section_ir, "pageTableEntry_Level5", json_object_new_uint64(iommu_error->PteL5));
35     json_object_object_add(section_ir, "pageTableEntry_Level4", json_object_new_uint64(iommu_error->PteL4));
36     json_object_object_add(section_ir, "pageTableEntry_Level3", json_object_new_uint64(iommu_error->PteL3));
37     json_object_object_add(section_ir, "pageTableEntry_Level2", json_object_new_uint64(iommu_error->PteL2));
38     json_object_object_add(section_ir, "pageTableEntry_Level1", json_object_new_uint64(iommu_error->PteL1));
39 
40     return section_ir;
41 }