1*db1b7ce2SLawrence Tang /**
2*db1b7ce2SLawrence Tang  * Describes functions for converting IOMMU specific DMAr CPER sections from binary and JSON format
3*db1b7ce2SLawrence Tang  * into an intermediate format.
4*db1b7ce2SLawrence Tang  *
5*db1b7ce2SLawrence Tang  * Author: Lawrence.Tang@arm.com
6*db1b7ce2SLawrence Tang  **/
7*db1b7ce2SLawrence Tang #include <stdio.h>
8*db1b7ce2SLawrence Tang #include "json.h"
9*db1b7ce2SLawrence Tang #include "../edk/Cper.h"
10*db1b7ce2SLawrence Tang #include "../cper-utils.h"
11*db1b7ce2SLawrence Tang #include "cper-section-dmar-iommu.h"
12*db1b7ce2SLawrence Tang 
13*db1b7ce2SLawrence Tang //Converts a single IOMMU specific DMAr CPER section into JSON IR.
14*db1b7ce2SLawrence Tang json_object* cper_section_dmar_iommu_to_ir(void* section, EFI_ERROR_SECTION_DESCRIPTOR* descriptor)
15*db1b7ce2SLawrence Tang {
16*db1b7ce2SLawrence Tang     EFI_IOMMU_DMAR_ERROR_DATA* iommu_error = (EFI_IOMMU_DMAR_ERROR_DATA*)section;
17*db1b7ce2SLawrence Tang     json_object* section_ir = json_object_new_object();
18*db1b7ce2SLawrence Tang 
19*db1b7ce2SLawrence Tang     //Revision.
20*db1b7ce2SLawrence Tang     json_object_object_add(section_ir, "revision", json_object_new_int(iommu_error->Revision));
21*db1b7ce2SLawrence Tang 
22*db1b7ce2SLawrence Tang     //IOMMU registers.
23*db1b7ce2SLawrence Tang     json_object_object_add(section_ir, "controlRegister", json_object_new_uint64(iommu_error->Control));
24*db1b7ce2SLawrence Tang     json_object_object_add(section_ir, "statusRegister", json_object_new_uint64(iommu_error->Status));
25*db1b7ce2SLawrence Tang 
26*db1b7ce2SLawrence Tang     //IOMMU event log entry.
27*db1b7ce2SLawrence Tang     //todo: implement as specified in the IOMMU specification
28*db1b7ce2SLawrence Tang 
29*db1b7ce2SLawrence Tang     //Device table entry.
30*db1b7ce2SLawrence Tang     //todo: dump as b64
31*db1b7ce2SLawrence Tang 
32*db1b7ce2SLawrence Tang     //Page table entries.
33*db1b7ce2SLawrence Tang     json_object_object_add(section_ir, "pageTableEntry_Level6", json_object_new_uint64(iommu_error->PteL6));
34*db1b7ce2SLawrence Tang     json_object_object_add(section_ir, "pageTableEntry_Level5", json_object_new_uint64(iommu_error->PteL5));
35*db1b7ce2SLawrence Tang     json_object_object_add(section_ir, "pageTableEntry_Level4", json_object_new_uint64(iommu_error->PteL4));
36*db1b7ce2SLawrence Tang     json_object_object_add(section_ir, "pageTableEntry_Level3", json_object_new_uint64(iommu_error->PteL3));
37*db1b7ce2SLawrence Tang     json_object_object_add(section_ir, "pageTableEntry_Level2", json_object_new_uint64(iommu_error->PteL2));
38*db1b7ce2SLawrence Tang     json_object_object_add(section_ir, "pageTableEntry_Level1", json_object_new_uint64(iommu_error->PteL1));
39*db1b7ce2SLawrence Tang 
40*db1b7ce2SLawrence Tang     return section_ir;
41*db1b7ce2SLawrence Tang }