1 /**
2 * Describes functions for converting Intel IPF 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-ipf.h"
12
13 json_object *cper_ipf_mod_error_read_array(EFI_IPF_MOD_ERROR_INFO **cur_error,
14 int num_to_read);
15 json_object *cper_ipf_mod_error_to_ir(EFI_IPF_MOD_ERROR_INFO *mod_error);
16
17 //Converts a single Intel IPF error CPER section into JSON IR.
cper_section_ipf_to_ir(void * section)18 json_object *cper_section_ipf_to_ir(void *section)
19 {
20 EFI_IPF_ERROR_INFO_HEADER *ipf_error =
21 (EFI_IPF_ERROR_INFO_HEADER *)section;
22 json_object *section_ir = json_object_new_object();
23
24 //Validation bits.
25 json_object *validation = json_object_new_object();
26 json_object_object_add(validation, "errorMapValid",
27 json_object_new_boolean(
28 ipf_error->ValidBits.ProcErrorMapValid));
29 json_object_object_add(validation, "stateParameterValid",
30 json_object_new_boolean(
31 ipf_error->ValidBits.ProcErrorMapValid));
32 json_object_object_add(
33 validation, "crLIDValid",
34 json_object_new_boolean(ipf_error->ValidBits.ProcCrLidValid));
35 json_object_object_add(
36 validation, "psiStaticStructValid",
37 json_object_new_boolean(
38 ipf_error->ValidBits.PsiStaticStructValid));
39 json_object_object_add(
40 validation, "cpuInfoValid",
41 json_object_new_boolean(ipf_error->ValidBits.CpuIdInfoValid));
42 json_object_object_add(section_ir, "validationBits", validation);
43
44 //Numbers of various variable length segments.
45 json_object_object_add(
46 section_ir, "cacheCheckNum",
47 json_object_new_uint64(ipf_error->ValidBits.CacheCheckNum));
48 json_object_object_add(
49 section_ir, "tlbCheckNum",
50 json_object_new_uint64(ipf_error->ValidBits.TlbCheckNum));
51 json_object_object_add(
52 section_ir, "busCheckNum",
53 json_object_new_uint64(ipf_error->ValidBits.BusCheckNum));
54 json_object_object_add(
55 section_ir, "regFileCheckNum",
56 json_object_new_uint64(ipf_error->ValidBits.RegFileCheckNum));
57 json_object_object_add(
58 section_ir, "msCheckNum",
59 json_object_new_uint64(ipf_error->ValidBits.MsCheckNum));
60
61 //Process error map, state params/CR LID.
62 json_object_object_add(section_ir, "procErrorMap",
63 json_object_new_uint64(ipf_error->ProcErrorMap));
64 json_object_object_add(
65 section_ir, "procStateParameter",
66 json_object_new_uint64(ipf_error->ProcStateParameter));
67 json_object_object_add(section_ir, "procCRLID",
68 json_object_new_uint64(ipf_error->ProcCrLid));
69
70 //Read cache, TLB, bus, register file, MS errors.
71 EFI_IPF_MOD_ERROR_INFO *cur_error =
72 (EFI_IPF_MOD_ERROR_INFO *)(ipf_error + 1);
73 json_object_object_add(section_ir, "cacheErrors",
74 cper_ipf_mod_error_read_array(
75 &cur_error,
76 ipf_error->ValidBits.CacheCheckNum));
77 json_object_object_add(section_ir, "tlbErrors",
78 cper_ipf_mod_error_read_array(
79 &cur_error,
80 ipf_error->ValidBits.TlbCheckNum));
81 json_object_object_add(section_ir, "busErrors",
82 cper_ipf_mod_error_read_array(
83 &cur_error,
84 ipf_error->ValidBits.BusCheckNum));
85 json_object_object_add(section_ir, "regFileErrors",
86 cper_ipf_mod_error_read_array(
87 &cur_error,
88 ipf_error->ValidBits.RegFileCheckNum));
89 json_object_object_add(
90 section_ir, "msErrors",
91 cper_ipf_mod_error_read_array(&cur_error,
92 ipf_error->ValidBits.MsCheckNum));
93
94 //CPU ID information.
95 EFI_IPF_CPU_INFO *cpu_info = (EFI_IPF_CPU_INFO *)cur_error;
96 //stretch: find out how this is represented
97
98 //Processor static information.
99 EFI_IPF_PSI_STATIC *psi_static = (EFI_IPF_PSI_STATIC *)(cpu_info + 1);
100 json_object *psi_static_ir = json_object_new_object();
101
102 //PSI validation bits.
103 json_object *psi_validation =
104 bitfield_to_ir(psi_static->ValidBits, 6,
105 IPF_PSI_STATIC_INFO_VALID_BITFIELD_NAMES);
106 json_object_object_add(psi_static_ir, "validationBits", psi_validation);
107
108 //PSI minimal state save info.
109 //stretch: structure min save state area as in Intel Itanium Architecture Software Developer's Manual.
110
111 //BRs, CRs, ARs, RRs, FRs.
112 json_object_object_add(psi_static_ir, "brs",
113 uint64_array_to_ir_array(psi_static->Brs, 8));
114 json_object_object_add(psi_static_ir, "crs",
115 uint64_array_to_ir_array(psi_static->Crs, 128));
116 json_object_object_add(psi_static_ir, "ars",
117 uint64_array_to_ir_array(psi_static->Ars, 128));
118 json_object_object_add(psi_static_ir, "rrs",
119 uint64_array_to_ir_array(psi_static->Rrs, 8));
120 json_object_object_add(psi_static_ir, "frs",
121 uint64_array_to_ir_array(psi_static->Frs, 256));
122 json_object_object_add(section_ir, "psiStaticInfo", psi_static_ir);
123
124 return section_ir;
125 }
126
127 //Reads a continuous stream of CPER IPF mod errors beginning from the given pointer, for n entries.
128 //Returns an array containing all read entries as JSON IR.
cper_ipf_mod_error_read_array(EFI_IPF_MOD_ERROR_INFO ** cur_error,int num_to_read)129 json_object *cper_ipf_mod_error_read_array(EFI_IPF_MOD_ERROR_INFO **cur_error,
130 int num_to_read)
131 {
132 json_object *error_array = json_object_new_array();
133 for (int i = 0; i < num_to_read; i++) {
134 json_object_array_add(error_array,
135 cper_ipf_mod_error_to_ir(*cur_error));
136 *cur_error = *cur_error + 1;
137 }
138
139 return error_array;
140 }
141
142 //Converts a single CPER IPF mod error info structure into JSON IR.
cper_ipf_mod_error_to_ir(EFI_IPF_MOD_ERROR_INFO * mod_error)143 json_object *cper_ipf_mod_error_to_ir(EFI_IPF_MOD_ERROR_INFO *mod_error)
144 {
145 json_object *mod_error_ir = json_object_new_object();
146
147 //Validation bits.
148 json_object *validation = bitfield_to_ir(
149 mod_error->ValidBits, 5, IPF_MOD_ERROR_VALID_BITFIELD_NAMES);
150 json_object_object_add(mod_error_ir, "validationBits", validation);
151
152 //Numeric fields.
153 json_object_object_add(mod_error_ir, "modCheckInfo",
154 json_object_new_uint64(mod_error->ModCheckInfo));
155 json_object_object_add(mod_error_ir, "modTargetID",
156 json_object_new_uint64(mod_error->ModTargetId));
157 json_object_object_add(
158 mod_error_ir, "modRequestorID",
159 json_object_new_uint64(mod_error->ModRequestorId));
160 json_object_object_add(
161 mod_error_ir, "modResponderID",
162 json_object_new_uint64(mod_error->ModResponderId));
163 json_object_object_add(mod_error_ir, "modPreciseIP",
164 json_object_new_uint64(mod_error->ModPreciseIp));
165
166 return mod_error_ir;
167 }
168