1#ifndef _POWERPC_RTAS_H
2#define _POWERPC_RTAS_H
3#ifdef __KERNEL__
4
5#include <linux/spinlock.h>
6#include <asm/page.h>
7
8
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17
18
19
20#define RTAS_UNKNOWN_SERVICE (-1)
21#define RTAS_INSTANTIATE_MAX (1ULL<<30)
22
23
24#define RTAS_RMOBUF_MAX (64 * 1024)
25
26
27#define RTAS_NOT_SUSPENDABLE -9004
28#define RTAS_BUSY -2
29#define RTAS_EXTENDED_DELAY_MIN 9900
30#define RTAS_EXTENDED_DELAY_MAX 9905
31
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44
45
46
47typedef __be32 rtas_arg_t;
48
49struct rtas_args {
50 __be32 token;
51 __be32 nargs;
52 __be32 nret;
53 rtas_arg_t args[16];
54 rtas_arg_t *rets;
55};
56
57struct rtas_t {
58 unsigned long entry;
59 unsigned long base;
60 unsigned long size;
61 arch_spinlock_t lock;
62 struct rtas_args args;
63 struct device_node *dev;
64};
65
66struct rtas_suspend_me_data {
67 atomic_t working;
68 atomic_t done;
69 int token;
70 atomic_t error;
71 struct completion *complete;
72};
73
74
75#define RTAS_INTERNAL_ERROR 0x80000000
76#define RTAS_EPOW_WARNING 0x40000000
77#define RTAS_HOTPLUG_EVENTS 0x10000000
78#define RTAS_IO_EVENTS 0x08000000
79#define RTAS_EVENT_SCAN_ALL_EVENTS 0xffffffff
80
81
82#define RTAS_SEVERITY_FATAL 0x5
83#define RTAS_SEVERITY_ERROR 0x4
84#define RTAS_SEVERITY_ERROR_SYNC 0x3
85#define RTAS_SEVERITY_WARNING 0x2
86#define RTAS_SEVERITY_EVENT 0x1
87#define RTAS_SEVERITY_NO_ERROR 0x0
88
89
90#define RTAS_DISP_FULLY_RECOVERED 0x0
91#define RTAS_DISP_LIMITED_RECOVERY 0x1
92#define RTAS_DISP_NOT_RECOVERED 0x2
93
94
95#define RTAS_INITIATOR_UNKNOWN 0x0
96#define RTAS_INITIATOR_CPU 0x1
97#define RTAS_INITIATOR_PCI 0x2
98#define RTAS_INITIATOR_ISA 0x3
99#define RTAS_INITIATOR_MEMORY 0x4
100#define RTAS_INITIATOR_POWERMGM 0x5
101
102
103#define RTAS_TARGET_UNKNOWN 0x0
104#define RTAS_TARGET_CPU 0x1
105#define RTAS_TARGET_PCI 0x2
106#define RTAS_TARGET_ISA 0x3
107#define RTAS_TARGET_MEMORY 0x4
108#define RTAS_TARGET_POWERMGM 0x5
109
110
111#define RTAS_TYPE_RETRY 0x01
112#define RTAS_TYPE_TCE_ERR 0x02
113#define RTAS_TYPE_INTERN_DEV_FAIL 0x03
114#define RTAS_TYPE_TIMEOUT 0x04
115#define RTAS_TYPE_DATA_PARITY 0x05
116#define RTAS_TYPE_ADDR_PARITY 0x06
117#define RTAS_TYPE_CACHE_PARITY 0x07
118#define RTAS_TYPE_ADDR_INVALID 0x08
119#define RTAS_TYPE_ECC_UNCORR 0x09
120#define RTAS_TYPE_ECC_CORR 0x0a
121#define RTAS_TYPE_EPOW 0x40
122#define RTAS_TYPE_PLATFORM 0xE0
123#define RTAS_TYPE_IO 0xE1
124#define RTAS_TYPE_INFO 0xE2
125#define RTAS_TYPE_DEALLOC 0xE3
126#define RTAS_TYPE_DUMP 0xE4
127
128#define RTAS_TYPE_PMGM_POWER_SW_ON 0x60
129#define RTAS_TYPE_PMGM_POWER_SW_OFF 0x61
130#define RTAS_TYPE_PMGM_LID_OPEN 0x62
131#define RTAS_TYPE_PMGM_LID_CLOSE 0x63
132#define RTAS_TYPE_PMGM_SLEEP_BTN 0x64
133#define RTAS_TYPE_PMGM_WAKE_BTN 0x65
134#define RTAS_TYPE_PMGM_BATTERY_WARN 0x66
135#define RTAS_TYPE_PMGM_BATTERY_CRIT 0x67
136#define RTAS_TYPE_PMGM_SWITCH_TO_BAT 0x68
137#define RTAS_TYPE_PMGM_SWITCH_TO_AC 0x69
138#define RTAS_TYPE_PMGM_KBD_OR_MOUSE 0x6a
139#define RTAS_TYPE_PMGM_ENCLOS_OPEN 0x6b
140#define RTAS_TYPE_PMGM_ENCLOS_CLOSED 0x6c
141#define RTAS_TYPE_PMGM_RING_INDICATE 0x6d
142#define RTAS_TYPE_PMGM_LAN_ATTENTION 0x6e
143#define RTAS_TYPE_PMGM_TIME_ALARM 0x6f
144#define RTAS_TYPE_PMGM_CONFIG_CHANGE 0x70
145#define RTAS_TYPE_PMGM_SERVICE_PROC 0x71
146
147#define RTAS_TYPE_PRRN 0xA0
148
149
150#define RTAS_VECTOR_EXTERNAL_INTERRUPT 0x500
151
152struct rtas_error_log {
153 unsigned long version:8;
154 unsigned long severity:3;
155 unsigned long disposition:2;
156 unsigned long extended:1;
157 unsigned long :2;
158 unsigned long initiator:4;
159 unsigned long target:4;
160 unsigned long type:8;
161 unsigned long extended_log_length:32;
162 unsigned char buffer[1];
163
164};
165
166#define RTAS_V6EXT_LOG_FORMAT_EVENT_LOG 14
167
168#define RTAS_V6EXT_COMPANY_ID_IBM (('I' << 24) | ('B' << 16) | ('M' << 8))
169
170
171
172
173struct rtas_ext_event_log_v6 {
174
175 uint32_t log_valid:1;
176 uint32_t unrecoverable_error:1;
177 uint32_t recoverable_error:1;
178
179 uint32_t degraded_operation:1;
180
181
182 uint32_t predictive_error:1;
183 uint32_t new_log:1;
184
185 uint32_t big_endian:1;
186 uint32_t :1;
187
188 uint32_t :8;
189
190 uint32_t powerpc_format:1;
191
192 uint32_t :3;
193 uint32_t log_format:4;
194
195
196 uint32_t :8;
197
198 uint8_t reserved[8];
199
200 uint32_t company_id;
201
202
203
204 uint8_t vendor_log[1];
205
206};
207
208
209
210
211#define PSERIES_ELOG_SECT_ID_PRIV_HDR (('P' << 8) | 'H')
212#define PSERIES_ELOG_SECT_ID_USER_HDR (('U' << 8) | 'H')
213#define PSERIES_ELOG_SECT_ID_PRIMARY_SRC (('P' << 8) | 'S')
214#define PSERIES_ELOG_SECT_ID_EXTENDED_UH (('E' << 8) | 'H')
215#define PSERIES_ELOG_SECT_ID_FAILING_MTMS (('M' << 8) | 'T')
216#define PSERIES_ELOG_SECT_ID_SECONDARY_SRC (('S' << 8) | 'S')
217#define PSERIES_ELOG_SECT_ID_DUMP_LOCATOR (('D' << 8) | 'H')
218#define PSERIES_ELOG_SECT_ID_FW_ERROR (('S' << 8) | 'W')
219#define PSERIES_ELOG_SECT_ID_IMPACT_PART_ID (('L' << 8) | 'P')
220#define PSERIES_ELOG_SECT_ID_LOGIC_RESOURCE_ID (('L' << 8) | 'R')
221#define PSERIES_ELOG_SECT_ID_HMC_ID (('H' << 8) | 'M')
222#define PSERIES_ELOG_SECT_ID_EPOW (('E' << 8) | 'P')
223#define PSERIES_ELOG_SECT_ID_IO_EVENT (('I' << 8) | 'E')
224#define PSERIES_ELOG_SECT_ID_MANUFACT_INFO (('M' << 8) | 'I')
225#define PSERIES_ELOG_SECT_ID_CALL_HOME (('C' << 8) | 'H')
226#define PSERIES_ELOG_SECT_ID_USER_DEF (('U' << 8) | 'D')
227
228
229struct pseries_errorlog {
230 uint16_t id;
231 uint16_t length;
232 uint8_t version;
233 uint8_t subtype;
234 uint16_t creator_component;
235 uint8_t data[];
236};
237
238struct pseries_errorlog *get_pseries_errorlog(struct rtas_error_log *log,
239 uint16_t section_id);
240
241
242
243
244
245extern void (*rtas_flash_term_hook)(int);
246
247extern struct rtas_t rtas;
248
249extern void enter_rtas(unsigned long);
250extern int rtas_token(const char *service);
251extern int rtas_service_present(const char *service);
252extern int rtas_call(int token, int, int, int *, ...);
253extern void rtas_restart(char *cmd);
254extern void rtas_power_off(void);
255extern void rtas_halt(void);
256extern void rtas_os_term(char *str);
257extern int rtas_get_sensor(int sensor, int index, int *state);
258extern int rtas_get_power_level(int powerdomain, int *level);
259extern int rtas_set_power_level(int powerdomain, int level, int *setlevel);
260extern bool rtas_indicator_present(int token, int *maxindex);
261extern int rtas_set_indicator(int indicator, int index, int new_value);
262extern int rtas_set_indicator_fast(int indicator, int index, int new_value);
263extern void rtas_progress(char *s, unsigned short hex);
264extern void rtas_initialize(void);
265extern int rtas_suspend_cpu(struct rtas_suspend_me_data *data);
266extern int rtas_suspend_last_cpu(struct rtas_suspend_me_data *data);
267extern int rtas_online_cpus_mask(cpumask_var_t cpus);
268extern int rtas_offline_cpus_mask(cpumask_var_t cpus);
269extern int rtas_ibm_suspend_me(struct rtas_args *);
270
271struct rtc_time;
272extern unsigned long rtas_get_boot_time(void);
273extern void rtas_get_rtc_time(struct rtc_time *rtc_time);
274extern int rtas_set_rtc_time(struct rtc_time *rtc_time);
275
276extern unsigned int rtas_busy_delay_time(int status);
277extern unsigned int rtas_busy_delay(int status);
278
279extern int early_init_dt_scan_rtas(unsigned long node,
280 const char *uname, int depth, void *data);
281
282extern void pSeries_log_error(char *buf, unsigned int err_type, int fatal);
283
284#ifdef CONFIG_PPC_PSERIES
285extern int pseries_devicetree_update(s32 scope);
286#endif
287
288#ifdef CONFIG_PPC_RTAS_DAEMON
289extern void rtas_cancel_event_scan(void);
290#else
291static inline void rtas_cancel_event_scan(void) { }
292#endif
293
294
295#define ERR_FLAG_ALREADY_LOGGED 0x0
296#define ERR_FLAG_BOOT 0x1
297#define ERR_TYPE_RTAS_LOG 0x2
298#define ERR_TYPE_KERNEL_PANIC 0x4
299#define ERR_TYPE_KERNEL_PANIC_GZ 0x8
300
301
302#define ERR_TYPE_MASK \
303 (ERR_TYPE_RTAS_LOG | ERR_TYPE_KERNEL_PANIC | ERR_TYPE_KERNEL_PANIC_GZ)
304
305#define RTAS_DEBUG KERN_DEBUG "RTAS: "
306
307#define RTAS_ERROR_LOG_MAX 2048
308
309
310
311
312
313
314extern int rtas_get_error_log_max(void);
315
316
317#define EVENT_SCAN_ALL_EVENTS 0xf0000000
318#define SURVEILLANCE_TOKEN 9000
319#define LOG_NUMBER 64
320#define LOG_NUMBER_MASK (LOG_NUMBER-1)
321
322
323
324
325
326
327
328#define RTAS_DATA_BUF_SIZE 4096
329extern spinlock_t rtas_data_buf_lock;
330extern char rtas_data_buf[RTAS_DATA_BUF_SIZE];
331
332
333extern unsigned long rtas_rmo_buf;
334
335#define GLOBAL_INTERRUPT_QUEUE 9005
336
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346
347static inline u32 rtas_config_addr(int busno, int devfn, int reg)
348{
349 return ((reg & 0xf00) << 20) | ((busno & 0xff) << 16) |
350 (devfn << 8) | (reg & 0xff);
351}
352
353extern void rtas_give_timebase(void);
354extern void rtas_take_timebase(void);
355
356#ifdef CONFIG_PPC_RTAS
357static inline int page_is_rtas_user_buf(unsigned long pfn)
358{
359 unsigned long paddr = (pfn << PAGE_SHIFT);
360 if (paddr >= rtas_rmo_buf && paddr < (rtas_rmo_buf + RTAS_RMOBUF_MAX))
361 return 1;
362 return 0;
363}
364
365
366
367extern void pSeries_coalesce_init(void);
368#else
369static inline int page_is_rtas_user_buf(unsigned long pfn) { return 0;}
370static inline void pSeries_coalesce_init(void) { }
371#endif
372
373extern int call_rtas(const char *, int, int, unsigned long *, ...);
374
375#endif
376#endif
377