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9#ifndef __ASM_PPC64_MCE_H__
10#define __ASM_PPC64_MCE_H__
11
12#include <linux/bitops.h>
13
14enum MCE_Version {
15 MCE_V1 = 1,
16};
17
18enum MCE_Severity {
19 MCE_SEV_NO_ERROR = 0,
20 MCE_SEV_WARNING = 1,
21 MCE_SEV_SEVERE = 2,
22 MCE_SEV_FATAL = 3,
23};
24
25enum MCE_Disposition {
26 MCE_DISPOSITION_RECOVERED = 0,
27 MCE_DISPOSITION_NOT_RECOVERED = 1,
28};
29
30enum MCE_Initiator {
31 MCE_INITIATOR_UNKNOWN = 0,
32 MCE_INITIATOR_CPU = 1,
33 MCE_INITIATOR_PCI = 2,
34 MCE_INITIATOR_ISA = 3,
35 MCE_INITIATOR_MEMORY= 4,
36 MCE_INITIATOR_POWERMGM = 5,
37};
38
39enum MCE_ErrorType {
40 MCE_ERROR_TYPE_UNKNOWN = 0,
41 MCE_ERROR_TYPE_UE = 1,
42 MCE_ERROR_TYPE_SLB = 2,
43 MCE_ERROR_TYPE_ERAT = 3,
44 MCE_ERROR_TYPE_TLB = 4,
45 MCE_ERROR_TYPE_USER = 5,
46 MCE_ERROR_TYPE_RA = 6,
47 MCE_ERROR_TYPE_LINK = 7,
48 MCE_ERROR_TYPE_DCACHE = 8,
49 MCE_ERROR_TYPE_ICACHE = 9,
50};
51
52enum MCE_ErrorClass {
53 MCE_ECLASS_UNKNOWN = 0,
54 MCE_ECLASS_HARDWARE,
55 MCE_ECLASS_HARD_INDETERMINATE,
56 MCE_ECLASS_SOFTWARE,
57 MCE_ECLASS_SOFT_INDETERMINATE,
58};
59
60enum MCE_UeErrorType {
61 MCE_UE_ERROR_INDETERMINATE = 0,
62 MCE_UE_ERROR_IFETCH = 1,
63 MCE_UE_ERROR_PAGE_TABLE_WALK_IFETCH = 2,
64 MCE_UE_ERROR_LOAD_STORE = 3,
65 MCE_UE_ERROR_PAGE_TABLE_WALK_LOAD_STORE = 4,
66};
67
68enum MCE_SlbErrorType {
69 MCE_SLB_ERROR_INDETERMINATE = 0,
70 MCE_SLB_ERROR_PARITY = 1,
71 MCE_SLB_ERROR_MULTIHIT = 2,
72};
73
74enum MCE_EratErrorType {
75 MCE_ERAT_ERROR_INDETERMINATE = 0,
76 MCE_ERAT_ERROR_PARITY = 1,
77 MCE_ERAT_ERROR_MULTIHIT = 2,
78};
79
80enum MCE_TlbErrorType {
81 MCE_TLB_ERROR_INDETERMINATE = 0,
82 MCE_TLB_ERROR_PARITY = 1,
83 MCE_TLB_ERROR_MULTIHIT = 2,
84};
85
86enum MCE_UserErrorType {
87 MCE_USER_ERROR_INDETERMINATE = 0,
88 MCE_USER_ERROR_TLBIE = 1,
89};
90
91enum MCE_RaErrorType {
92 MCE_RA_ERROR_INDETERMINATE = 0,
93 MCE_RA_ERROR_IFETCH = 1,
94 MCE_RA_ERROR_IFETCH_FOREIGN = 2,
95 MCE_RA_ERROR_PAGE_TABLE_WALK_IFETCH = 3,
96 MCE_RA_ERROR_PAGE_TABLE_WALK_IFETCH_FOREIGN = 4,
97 MCE_RA_ERROR_LOAD = 5,
98 MCE_RA_ERROR_STORE = 6,
99 MCE_RA_ERROR_PAGE_TABLE_WALK_LOAD_STORE = 7,
100 MCE_RA_ERROR_PAGE_TABLE_WALK_LOAD_STORE_FOREIGN = 8,
101 MCE_RA_ERROR_LOAD_STORE_FOREIGN = 9,
102};
103
104enum MCE_LinkErrorType {
105 MCE_LINK_ERROR_INDETERMINATE = 0,
106 MCE_LINK_ERROR_IFETCH_TIMEOUT = 1,
107 MCE_LINK_ERROR_PAGE_TABLE_WALK_IFETCH_TIMEOUT = 2,
108 MCE_LINK_ERROR_LOAD_TIMEOUT = 3,
109 MCE_LINK_ERROR_STORE_TIMEOUT = 4,
110 MCE_LINK_ERROR_PAGE_TABLE_WALK_LOAD_STORE_TIMEOUT = 5,
111};
112
113struct machine_check_event {
114 enum MCE_Version version:8;
115 u8 in_use;
116 enum MCE_Severity severity:8;
117 enum MCE_Initiator initiator:8;
118 enum MCE_ErrorType error_type:8;
119 enum MCE_ErrorClass error_class:8;
120 enum MCE_Disposition disposition:8;
121 bool sync_error;
122 u16 cpu;
123 u64 gpr3;
124 u64 srr0;
125 u64 srr1;
126 union {
127 struct {
128 enum MCE_UeErrorType ue_error_type:8;
129 u8 effective_address_provided;
130 u8 physical_address_provided;
131 u8 ignore_event;
132 u8 reserved_1[4];
133 u64 effective_address;
134 u64 physical_address;
135 u8 reserved_2[8];
136 } ue_error;
137
138 struct {
139 enum MCE_SlbErrorType slb_error_type:8;
140 u8 effective_address_provided;
141 u8 reserved_1[6];
142 u64 effective_address;
143 u8 reserved_2[16];
144 } slb_error;
145
146 struct {
147 enum MCE_EratErrorType erat_error_type:8;
148 u8 effective_address_provided;
149 u8 reserved_1[6];
150 u64 effective_address;
151 u8 reserved_2[16];
152 } erat_error;
153
154 struct {
155 enum MCE_TlbErrorType tlb_error_type:8;
156 u8 effective_address_provided;
157 u8 reserved_1[6];
158 u64 effective_address;
159 u8 reserved_2[16];
160 } tlb_error;
161
162 struct {
163 enum MCE_UserErrorType user_error_type:8;
164 u8 effective_address_provided;
165 u8 reserved_1[6];
166 u64 effective_address;
167 u8 reserved_2[16];
168 } user_error;
169
170 struct {
171 enum MCE_RaErrorType ra_error_type:8;
172 u8 effective_address_provided;
173 u8 reserved_1[6];
174 u64 effective_address;
175 u8 reserved_2[16];
176 } ra_error;
177
178 struct {
179 enum MCE_LinkErrorType link_error_type:8;
180 u8 effective_address_provided;
181 u8 reserved_1[6];
182 u64 effective_address;
183 u8 reserved_2[16];
184 } link_error;
185 } u;
186};
187
188struct mce_error_info {
189 enum MCE_ErrorType error_type:8;
190 union {
191 enum MCE_UeErrorType ue_error_type:8;
192 enum MCE_SlbErrorType slb_error_type:8;
193 enum MCE_EratErrorType erat_error_type:8;
194 enum MCE_TlbErrorType tlb_error_type:8;
195 enum MCE_UserErrorType user_error_type:8;
196 enum MCE_RaErrorType ra_error_type:8;
197 enum MCE_LinkErrorType link_error_type:8;
198 } u;
199 enum MCE_Severity severity:8;
200 enum MCE_Initiator initiator:8;
201 enum MCE_ErrorClass error_class:8;
202 bool sync_error;
203 bool ignore_event;
204};
205
206#define MAX_MC_EVT 100
207
208
209#define MCE_EVENT_RELEASE true
210#define MCE_EVENT_DONTRELEASE false
211
212extern void save_mce_event(struct pt_regs *regs, long handled,
213 struct mce_error_info *mce_err, uint64_t nip,
214 uint64_t addr, uint64_t phys_addr);
215extern int get_mce_event(struct machine_check_event *mce, bool release);
216extern void release_mce_event(void);
217extern void machine_check_queue_event(void);
218extern void machine_check_print_event_info(struct machine_check_event *evt,
219 bool user_mode, bool in_guest);
220unsigned long addr_to_pfn(struct pt_regs *regs, unsigned long addr);
221#ifdef CONFIG_PPC_BOOK3S_64
222void flush_and_reload_slb(void);
223#endif
224#endif
225
