This source file includes following definitions.
- rtas_error_severity
- rtas_error_disposition
- rtas_set_disposition_recovered
- rtas_error_extended
- rtas_error_initiator
- rtas_error_extended_log_length
- rtas_ext_event_log_format
- rtas_ext_event_company_id
- pseries_errorlog_id
- pseries_errorlog_length
- clobbering_unread_rtas_event
- rtas_cancel_event_scan
- rtas_config_addr
- page_is_rtas_user_buf
- page_is_rtas_user_buf
- pSeries_coalesce_init
- rtas_initialize
1
2 #ifndef _POWERPC_RTAS_H
3 #define _POWERPC_RTAS_H
4 #ifdef __KERNEL__
5
6 #include <linux/spinlock.h>
7 #include <asm/page.h>
8 #include <linux/time.h>
9 #include <linux/cpumask.h>
10
11
12
13
14
15
16
17
18 #define RTAS_UNKNOWN_SERVICE (-1)
19 #define RTAS_INSTANTIATE_MAX (1ULL<<30)
20
21
22 #define RTAS_RMOBUF_MAX (64 * 1024)
23
24
25 #define RTAS_NOT_SUSPENDABLE -9004
26 #define RTAS_BUSY -2
27 #define RTAS_EXTENDED_DELAY_MIN 9900
28 #define RTAS_EXTENDED_DELAY_MAX 9905
29
30
31
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41
42
43
44
45 typedef __be32 rtas_arg_t;
46
47 struct rtas_args {
48 __be32 token;
49 __be32 nargs;
50 __be32 nret;
51 rtas_arg_t args[16];
52 rtas_arg_t *rets;
53 };
54
55 struct rtas_t {
56 unsigned long entry;
57 unsigned long base;
58 unsigned long size;
59 arch_spinlock_t lock;
60 struct rtas_args args;
61 struct device_node *dev;
62 };
63
64 struct rtas_suspend_me_data {
65 atomic_t working;
66 atomic_t done;
67 int token;
68 atomic_t error;
69 struct completion *complete;
70 };
71
72
73 #define RTAS_INTERNAL_ERROR 0x80000000
74 #define RTAS_EPOW_WARNING 0x40000000
75 #define RTAS_HOTPLUG_EVENTS 0x10000000
76 #define RTAS_IO_EVENTS 0x08000000
77 #define RTAS_EVENT_SCAN_ALL_EVENTS 0xffffffff
78
79
80 #define RTAS_SEVERITY_FATAL 0x5
81 #define RTAS_SEVERITY_ERROR 0x4
82 #define RTAS_SEVERITY_ERROR_SYNC 0x3
83 #define RTAS_SEVERITY_WARNING 0x2
84 #define RTAS_SEVERITY_EVENT 0x1
85 #define RTAS_SEVERITY_NO_ERROR 0x0
86
87
88 #define RTAS_DISP_FULLY_RECOVERED 0x0
89 #define RTAS_DISP_LIMITED_RECOVERY 0x1
90 #define RTAS_DISP_NOT_RECOVERED 0x2
91
92
93 #define RTAS_INITIATOR_UNKNOWN 0x0
94 #define RTAS_INITIATOR_CPU 0x1
95 #define RTAS_INITIATOR_PCI 0x2
96 #define RTAS_INITIATOR_ISA 0x3
97 #define RTAS_INITIATOR_MEMORY 0x4
98 #define RTAS_INITIATOR_POWERMGM 0x5
99
100
101 #define RTAS_TARGET_UNKNOWN 0x0
102 #define RTAS_TARGET_CPU 0x1
103 #define RTAS_TARGET_PCI 0x2
104 #define RTAS_TARGET_ISA 0x3
105 #define RTAS_TARGET_MEMORY 0x4
106 #define RTAS_TARGET_POWERMGM 0x5
107
108
109 #define RTAS_TYPE_RETRY 0x01
110 #define RTAS_TYPE_TCE_ERR 0x02
111 #define RTAS_TYPE_INTERN_DEV_FAIL 0x03
112 #define RTAS_TYPE_TIMEOUT 0x04
113 #define RTAS_TYPE_DATA_PARITY 0x05
114 #define RTAS_TYPE_ADDR_PARITY 0x06
115 #define RTAS_TYPE_CACHE_PARITY 0x07
116 #define RTAS_TYPE_ADDR_INVALID 0x08
117 #define RTAS_TYPE_ECC_UNCORR 0x09
118 #define RTAS_TYPE_ECC_CORR 0x0a
119 #define RTAS_TYPE_EPOW 0x40
120 #define RTAS_TYPE_PLATFORM 0xE0
121 #define RTAS_TYPE_IO 0xE1
122 #define RTAS_TYPE_INFO 0xE2
123 #define RTAS_TYPE_DEALLOC 0xE3
124 #define RTAS_TYPE_DUMP 0xE4
125 #define RTAS_TYPE_HOTPLUG 0xE5
126
127 #define RTAS_TYPE_PMGM_POWER_SW_ON 0x60
128 #define RTAS_TYPE_PMGM_POWER_SW_OFF 0x61
129 #define RTAS_TYPE_PMGM_LID_OPEN 0x62
130 #define RTAS_TYPE_PMGM_LID_CLOSE 0x63
131 #define RTAS_TYPE_PMGM_SLEEP_BTN 0x64
132 #define RTAS_TYPE_PMGM_WAKE_BTN 0x65
133 #define RTAS_TYPE_PMGM_BATTERY_WARN 0x66
134 #define RTAS_TYPE_PMGM_BATTERY_CRIT 0x67
135 #define RTAS_TYPE_PMGM_SWITCH_TO_BAT 0x68
136 #define RTAS_TYPE_PMGM_SWITCH_TO_AC 0x69
137 #define RTAS_TYPE_PMGM_KBD_OR_MOUSE 0x6a
138 #define RTAS_TYPE_PMGM_ENCLOS_OPEN 0x6b
139 #define RTAS_TYPE_PMGM_ENCLOS_CLOSED 0x6c
140 #define RTAS_TYPE_PMGM_RING_INDICATE 0x6d
141 #define RTAS_TYPE_PMGM_LAN_ATTENTION 0x6e
142 #define RTAS_TYPE_PMGM_TIME_ALARM 0x6f
143 #define RTAS_TYPE_PMGM_CONFIG_CHANGE 0x70
144 #define RTAS_TYPE_PMGM_SERVICE_PROC 0x71
145
146 #define RTAS_TYPE_PRRN 0xA0
147
148
149 #define RTAS_VECTOR_EXTERNAL_INTERRUPT 0x500
150
151 struct rtas_error_log {
152
153 uint8_t byte0;
154
155
156 uint8_t byte1;
157
158
159
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161
162
163
164
165 uint8_t byte2;
166
167
168
169
170 uint8_t byte3;
171 __be32 extended_log_length;
172 unsigned char buffer[1];
173
174 };
175
176 static inline uint8_t rtas_error_severity(const struct rtas_error_log *elog)
177 {
178 return (elog->byte1 & 0xE0) >> 5;
179 }
180
181 static inline uint8_t rtas_error_disposition(const struct rtas_error_log *elog)
182 {
183 return (elog->byte1 & 0x18) >> 3;
184 }
185
186 static inline
187 void rtas_set_disposition_recovered(struct rtas_error_log *elog)
188 {
189 elog->byte1 &= ~0x18;
190 elog->byte1 |= (RTAS_DISP_FULLY_RECOVERED << 3);
191 }
192
193 static inline uint8_t rtas_error_extended(const struct rtas_error_log *elog)
194 {
195 return (elog->byte1 & 0x04) >> 2;
196 }
197
198 static inline uint8_t rtas_error_initiator(const struct rtas_error_log *elog)
199 {
200 return (elog->byte2 & 0xf0) >> 4;
201 }
202
203 #define rtas_error_type(x) ((x)->byte3)
204
205 static inline
206 uint32_t rtas_error_extended_log_length(const struct rtas_error_log *elog)
207 {
208 return be32_to_cpu(elog->extended_log_length);
209 }
210
211 #define RTAS_V6EXT_LOG_FORMAT_EVENT_LOG 14
212
213 #define RTAS_V6EXT_COMPANY_ID_IBM (('I' << 24) | ('B' << 16) | ('M' << 8))
214
215
216
217
218 struct rtas_ext_event_log_v6 {
219
220 uint8_t byte0;
221
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230
231
232
233 uint8_t byte1;
234
235
236 uint8_t byte2;
237
238
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241
242
243
244 uint8_t byte3;
245
246 uint8_t reserved[8];
247
248 __be32 company_id;
249
250
251
252 uint8_t vendor_log[1];
253
254 };
255
256 static
257 inline uint8_t rtas_ext_event_log_format(struct rtas_ext_event_log_v6 *ext_log)
258 {
259 return ext_log->byte2 & 0x0F;
260 }
261
262 static
263 inline uint32_t rtas_ext_event_company_id(struct rtas_ext_event_log_v6 *ext_log)
264 {
265 return be32_to_cpu(ext_log->company_id);
266 }
267
268
269
270
271 #define PSERIES_ELOG_SECT_ID_PRIV_HDR (('P' << 8) | 'H')
272 #define PSERIES_ELOG_SECT_ID_USER_HDR (('U' << 8) | 'H')
273 #define PSERIES_ELOG_SECT_ID_PRIMARY_SRC (('P' << 8) | 'S')
274 #define PSERIES_ELOG_SECT_ID_EXTENDED_UH (('E' << 8) | 'H')
275 #define PSERIES_ELOG_SECT_ID_FAILING_MTMS (('M' << 8) | 'T')
276 #define PSERIES_ELOG_SECT_ID_SECONDARY_SRC (('S' << 8) | 'S')
277 #define PSERIES_ELOG_SECT_ID_DUMP_LOCATOR (('D' << 8) | 'H')
278 #define PSERIES_ELOG_SECT_ID_FW_ERROR (('S' << 8) | 'W')
279 #define PSERIES_ELOG_SECT_ID_IMPACT_PART_ID (('L' << 8) | 'P')
280 #define PSERIES_ELOG_SECT_ID_LOGIC_RESOURCE_ID (('L' << 8) | 'R')
281 #define PSERIES_ELOG_SECT_ID_HMC_ID (('H' << 8) | 'M')
282 #define PSERIES_ELOG_SECT_ID_EPOW (('E' << 8) | 'P')
283 #define PSERIES_ELOG_SECT_ID_IO_EVENT (('I' << 8) | 'E')
284 #define PSERIES_ELOG_SECT_ID_MANUFACT_INFO (('M' << 8) | 'I')
285 #define PSERIES_ELOG_SECT_ID_CALL_HOME (('C' << 8) | 'H')
286 #define PSERIES_ELOG_SECT_ID_USER_DEF (('U' << 8) | 'D')
287 #define PSERIES_ELOG_SECT_ID_HOTPLUG (('H' << 8) | 'P')
288 #define PSERIES_ELOG_SECT_ID_MCE (('M' << 8) | 'C')
289
290
291 struct pseries_errorlog {
292 __be16 id;
293 __be16 length;
294 uint8_t version;
295 uint8_t subtype;
296 __be16 creator_component;
297 uint8_t data[];
298 };
299
300 static
301 inline uint16_t pseries_errorlog_id(struct pseries_errorlog *sect)
302 {
303 return be16_to_cpu(sect->id);
304 }
305
306 static
307 inline uint16_t pseries_errorlog_length(struct pseries_errorlog *sect)
308 {
309 return be16_to_cpu(sect->length);
310 }
311
312
313 struct pseries_hp_errorlog {
314 u8 resource;
315 u8 action;
316 u8 id_type;
317 u8 reserved;
318 union {
319 __be32 drc_index;
320 __be32 drc_count;
321 struct { __be32 count, index; } ic;
322 char drc_name[1];
323 } _drc_u;
324 };
325
326 #define PSERIES_HP_ELOG_RESOURCE_CPU 1
327 #define PSERIES_HP_ELOG_RESOURCE_MEM 2
328 #define PSERIES_HP_ELOG_RESOURCE_SLOT 3
329 #define PSERIES_HP_ELOG_RESOURCE_PHB 4
330 #define PSERIES_HP_ELOG_RESOURCE_PMEM 6
331
332 #define PSERIES_HP_ELOG_ACTION_ADD 1
333 #define PSERIES_HP_ELOG_ACTION_REMOVE 2
334 #define PSERIES_HP_ELOG_ACTION_READD 3
335
336 #define PSERIES_HP_ELOG_ID_DRC_NAME 1
337 #define PSERIES_HP_ELOG_ID_DRC_INDEX 2
338 #define PSERIES_HP_ELOG_ID_DRC_COUNT 3
339 #define PSERIES_HP_ELOG_ID_DRC_IC 4
340
341 struct pseries_errorlog *get_pseries_errorlog(struct rtas_error_log *log,
342 uint16_t section_id);
343
344
345
346
347
348 extern void (*rtas_flash_term_hook)(int);
349
350 extern struct rtas_t rtas;
351
352 extern int rtas_token(const char *service);
353 extern int rtas_service_present(const char *service);
354 extern int rtas_call(int token, int, int, int *, ...);
355 void rtas_call_unlocked(struct rtas_args *args, int token, int nargs,
356 int nret, ...);
357 extern void __noreturn rtas_restart(char *cmd);
358 extern void rtas_power_off(void);
359 extern void __noreturn rtas_halt(void);
360 extern void rtas_os_term(char *str);
361 extern int rtas_get_sensor(int sensor, int index, int *state);
362 extern int rtas_get_sensor_fast(int sensor, int index, int *state);
363 extern int rtas_get_power_level(int powerdomain, int *level);
364 extern int rtas_set_power_level(int powerdomain, int level, int *setlevel);
365 extern bool rtas_indicator_present(int token, int *maxindex);
366 extern int rtas_set_indicator(int indicator, int index, int new_value);
367 extern int rtas_set_indicator_fast(int indicator, int index, int new_value);
368 extern void rtas_progress(char *s, unsigned short hex);
369 extern int rtas_suspend_cpu(struct rtas_suspend_me_data *data);
370 extern int rtas_suspend_last_cpu(struct rtas_suspend_me_data *data);
371 extern int rtas_online_cpus_mask(cpumask_var_t cpus);
372 extern int rtas_offline_cpus_mask(cpumask_var_t cpus);
373 extern int rtas_ibm_suspend_me(u64 handle);
374
375 struct rtc_time;
376 extern time64_t rtas_get_boot_time(void);
377 extern void rtas_get_rtc_time(struct rtc_time *rtc_time);
378 extern int rtas_set_rtc_time(struct rtc_time *rtc_time);
379
380 extern unsigned int rtas_busy_delay_time(int status);
381 extern unsigned int rtas_busy_delay(int status);
382
383 extern int early_init_dt_scan_rtas(unsigned long node,
384 const char *uname, int depth, void *data);
385
386 extern void pSeries_log_error(char *buf, unsigned int err_type, int fatal);
387
388 #ifdef CONFIG_PPC_PSERIES
389 extern time64_t last_rtas_event;
390 extern int clobbering_unread_rtas_event(void);
391 extern int pseries_devicetree_update(s32 scope);
392 extern void post_mobility_fixup(void);
393 #else
394 static inline int clobbering_unread_rtas_event(void) { return 0; }
395 #endif
396
397 #ifdef CONFIG_PPC_RTAS_DAEMON
398 extern void rtas_cancel_event_scan(void);
399 #else
400 static inline void rtas_cancel_event_scan(void) { }
401 #endif
402
403
404 #define ERR_FLAG_ALREADY_LOGGED 0x0
405 #define ERR_FLAG_BOOT 0x1
406 #define ERR_TYPE_RTAS_LOG 0x2
407 #define ERR_TYPE_KERNEL_PANIC 0x4
408 #define ERR_TYPE_KERNEL_PANIC_GZ 0x8
409
410
411 #define ERR_TYPE_MASK \
412 (ERR_TYPE_RTAS_LOG | ERR_TYPE_KERNEL_PANIC | ERR_TYPE_KERNEL_PANIC_GZ)
413
414 #define RTAS_DEBUG KERN_DEBUG "RTAS: "
415
416 #define RTAS_ERROR_LOG_MAX 2048
417
418
419
420
421
422
423 extern int rtas_get_error_log_max(void);
424
425
426 #define EVENT_SCAN_ALL_EVENTS 0xf0000000
427 #define SURVEILLANCE_TOKEN 9000
428 #define LOG_NUMBER 64
429 #define LOG_NUMBER_MASK (LOG_NUMBER-1)
430
431
432
433
434
435
436
437 #define RTAS_DATA_BUF_SIZE 4096
438 extern spinlock_t rtas_data_buf_lock;
439 extern char rtas_data_buf[RTAS_DATA_BUF_SIZE];
440
441
442 extern unsigned long rtas_rmo_buf;
443
444 #define GLOBAL_INTERRUPT_QUEUE 9005
445
446
447
448
449
450
451
452
453
454
455
456 static inline u32 rtas_config_addr(int busno, int devfn, int reg)
457 {
458 return ((reg & 0xf00) << 20) | ((busno & 0xff) << 16) |
459 (devfn << 8) | (reg & 0xff);
460 }
461
462 extern void rtas_give_timebase(void);
463 extern void rtas_take_timebase(void);
464
465 #ifdef CONFIG_PPC_RTAS
466 static inline int page_is_rtas_user_buf(unsigned long pfn)
467 {
468 unsigned long paddr = (pfn << PAGE_SHIFT);
469 if (paddr >= rtas_rmo_buf && paddr < (rtas_rmo_buf + RTAS_RMOBUF_MAX))
470 return 1;
471 return 0;
472 }
473
474
475
476 extern void pSeries_coalesce_init(void);
477 void rtas_initialize(void);
478 #else
479 static inline int page_is_rtas_user_buf(unsigned long pfn) { return 0;}
480 static inline void pSeries_coalesce_init(void) { }
481 static inline void rtas_initialize(void) { };
482 #endif
483
484 extern int call_rtas(const char *, int, int, unsigned long *, ...);
485
486 #endif
487 #endif