1*a416ec93SLawrence Tang /**
2*a416ec93SLawrence Tang  * Describes functions for converting PCI/PCI-X device CPER sections from binary and JSON format
3*a416ec93SLawrence Tang  * into an intermediate format.
4*a416ec93SLawrence Tang  *
5*a416ec93SLawrence Tang  * Author: Lawrence.Tang@arm.com
6*a416ec93SLawrence Tang  **/
7*a416ec93SLawrence Tang #include <stdio.h>
8*a416ec93SLawrence Tang #include "json.h"
9*a416ec93SLawrence Tang #include "../edk/Cper.h"
10*a416ec93SLawrence Tang #include "../cper-utils.h"
11*a416ec93SLawrence Tang #include "cper-section-pci-dev.h"
12*a416ec93SLawrence Tang 
13*a416ec93SLawrence Tang //Converts a single PCI/PCI-X device CPER section into JSON IR.
14*a416ec93SLawrence Tang json_object* cper_section_pci_dev_to_ir(void* section, EFI_ERROR_SECTION_DESCRIPTOR* descriptor)
15*a416ec93SLawrence Tang {
16*a416ec93SLawrence Tang     EFI_PCI_PCIX_DEVICE_ERROR_DATA* dev_error = (EFI_PCI_PCIX_DEVICE_ERROR_DATA*)section;
17*a416ec93SLawrence Tang     json_object* section_ir = json_object_new_object();
18*a416ec93SLawrence Tang 
19*a416ec93SLawrence Tang     //Validation bits.
20*a416ec93SLawrence Tang     json_object* validation = bitfield_to_ir(dev_error->ValidFields, 5, PCI_DEV_ERROR_VALID_BITFIELD_NAMES);
21*a416ec93SLawrence Tang     json_object_object_add(section_ir, "validationBits", validation);
22*a416ec93SLawrence Tang 
23*a416ec93SLawrence Tang     //Error status.
24*a416ec93SLawrence Tang     json_object* error_status = cper_generic_error_status_to_ir(&dev_error->ErrorStatus);
25*a416ec93SLawrence Tang     json_object_object_add(section_ir, "errorStatus", error_status);
26*a416ec93SLawrence Tang 
27*a416ec93SLawrence Tang     //ID information.
28*a416ec93SLawrence Tang     json_object* id_info = json_object_new_object();
29*a416ec93SLawrence Tang     json_object_object_add(id_info, "vendorID", json_object_new_uint64(dev_error->IdInfo.VendorId));
30*a416ec93SLawrence Tang     json_object_object_add(id_info, "deviceID", json_object_new_uint64(dev_error->IdInfo.DeviceId));
31*a416ec93SLawrence Tang     json_object_object_add(id_info, "classCode", json_object_new_uint64(dev_error->IdInfo.ClassCode));
32*a416ec93SLawrence Tang     json_object_object_add(id_info, "functionNumber", json_object_new_uint64(dev_error->IdInfo.FunctionNumber));
33*a416ec93SLawrence Tang     json_object_object_add(id_info, "deviceNumber", json_object_new_uint64(dev_error->IdInfo.DeviceNumber));
34*a416ec93SLawrence Tang     json_object_object_add(id_info, "busNumber", json_object_new_uint64(dev_error->IdInfo.BusNumber));
35*a416ec93SLawrence Tang     json_object_object_add(id_info, "segmentNumber", json_object_new_uint64(dev_error->IdInfo.SegmentNumber));
36*a416ec93SLawrence Tang     json_object_object_add(section_ir, "idInfo", id_info);
37*a416ec93SLawrence Tang 
38*a416ec93SLawrence Tang     //Number of following register data pairs.
39*a416ec93SLawrence Tang     json_object_object_add(section_ir, "memoryNumber", json_object_new_uint64(dev_error->MemoryNumber));
40*a416ec93SLawrence Tang     json_object_object_add(section_ir, "ioNumber", json_object_new_uint64(dev_error->IoNumber));
41*a416ec93SLawrence Tang     int num_data_pairs = dev_error->MemoryNumber + dev_error->IoNumber;
42*a416ec93SLawrence Tang 
43*a416ec93SLawrence Tang     //Register pairs, described by the numeric fields.
44*a416ec93SLawrence Tang     //The actual "pairs" of address and data aren't necessarily 8 bytes long, so can't assume the contents.
45*a416ec93SLawrence Tang     //Hence the naming "firstHalf" and "secondHalf" rather than "address" and "data".
46*a416ec93SLawrence Tang     json_object* register_data_pair_array = json_object_new_array();
47*a416ec93SLawrence Tang     UINT64* cur_pos = (UINT64*)(dev_error + 1);
48*a416ec93SLawrence Tang     for (int i=0; i<num_data_pairs; i++)
49*a416ec93SLawrence Tang     {
50*a416ec93SLawrence Tang         //Save current pair to array.
51*a416ec93SLawrence Tang         json_object* register_data_pair = json_object_new_object();
52*a416ec93SLawrence Tang         json_object_object_add(register_data_pair, "firstHalf", json_object_new_uint64(*cur_pos));
53*a416ec93SLawrence Tang         json_object_object_add(register_data_pair, "secondHalf", json_object_new_uint64(*(cur_pos + 1)));
54*a416ec93SLawrence Tang         json_object_array_add(register_data_pair_array, register_data_pair);
55*a416ec93SLawrence Tang 
56*a416ec93SLawrence Tang         //Move to next pair.
57*a416ec93SLawrence Tang         cur_pos += 2;
58*a416ec93SLawrence Tang     }
59*a416ec93SLawrence Tang     json_object_object_add(section_ir, "registerDataPairs", register_data_pair_array);
60*a416ec93SLawrence Tang 
61*a416ec93SLawrence Tang     return section_ir;
62*a416ec93SLawrence Tang }