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
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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
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46
47typedef u32 rtas_arg_t;
48
49struct rtas_args {
50 u32 token;
51 u32 nargs;
52 u32 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_POWERMGM_EVENTS 0x20000000
78#define RTAS_HOTPLUG_EVENTS 0x10000000
79#define RTAS_IO_EVENTS 0x08000000
80#define RTAS_EVENT_SCAN_ALL_EVENTS 0xffffffff
81
82
83#define RTAS_SEVERITY_FATAL 0x5
84#define RTAS_SEVERITY_ERROR 0x4
85#define RTAS_SEVERITY_ERROR_SYNC 0x3
86#define RTAS_SEVERITY_WARNING 0x2
87#define RTAS_SEVERITY_EVENT 0x1
88#define RTAS_SEVERITY_NO_ERROR 0x0
89
90
91#define RTAS_DISP_FULLY_RECOVERED 0x0
92#define RTAS_DISP_LIMITED_RECOVERY 0x1
93#define RTAS_DISP_NOT_RECOVERED 0x2
94
95
96#define RTAS_INITIATOR_UNKNOWN 0x0
97#define RTAS_INITIATOR_CPU 0x1
98#define RTAS_INITIATOR_PCI 0x2
99#define RTAS_INITIATOR_ISA 0x3
100#define RTAS_INITIATOR_MEMORY 0x4
101#define RTAS_INITIATOR_POWERMGM 0x5
102
103
104#define RTAS_TARGET_UNKNOWN 0x0
105#define RTAS_TARGET_CPU 0x1
106#define RTAS_TARGET_PCI 0x2
107#define RTAS_TARGET_ISA 0x3
108#define RTAS_TARGET_MEMORY 0x4
109#define RTAS_TARGET_POWERMGM 0x5
110
111
112#define RTAS_TYPE_RETRY 0x01
113#define RTAS_TYPE_TCE_ERR 0x02
114#define RTAS_TYPE_INTERN_DEV_FAIL 0x03
115#define RTAS_TYPE_TIMEOUT 0x04
116#define RTAS_TYPE_DATA_PARITY 0x05
117#define RTAS_TYPE_ADDR_PARITY 0x06
118#define RTAS_TYPE_CACHE_PARITY 0x07
119#define RTAS_TYPE_ADDR_INVALID 0x08
120#define RTAS_TYPE_ECC_UNCORR 0x09
121#define RTAS_TYPE_ECC_CORR 0x0a
122#define RTAS_TYPE_EPOW 0x40
123#define RTAS_TYPE_PLATFORM 0xE0
124#define RTAS_TYPE_IO 0xE1
125#define RTAS_TYPE_INFO 0xE2
126#define RTAS_TYPE_DEALLOC 0xE3
127#define RTAS_TYPE_DUMP 0xE4
128
129#define RTAS_TYPE_PMGM_POWER_SW_ON 0x60
130#define RTAS_TYPE_PMGM_POWER_SW_OFF 0x61
131#define RTAS_TYPE_PMGM_LID_OPEN 0x62
132#define RTAS_TYPE_PMGM_LID_CLOSE 0x63
133#define RTAS_TYPE_PMGM_SLEEP_BTN 0x64
134#define RTAS_TYPE_PMGM_WAKE_BTN 0x65
135#define RTAS_TYPE_PMGM_BATTERY_WARN 0x66
136#define RTAS_TYPE_PMGM_BATTERY_CRIT 0x67
137#define RTAS_TYPE_PMGM_SWITCH_TO_BAT 0x68
138#define RTAS_TYPE_PMGM_SWITCH_TO_AC 0x69
139#define RTAS_TYPE_PMGM_KBD_OR_MOUSE 0x6a
140#define RTAS_TYPE_PMGM_ENCLOS_OPEN 0x6b
141#define RTAS_TYPE_PMGM_ENCLOS_CLOSED 0x6c
142#define RTAS_TYPE_PMGM_RING_INDICATE 0x6d
143#define RTAS_TYPE_PMGM_LAN_ATTENTION 0x6e
144#define RTAS_TYPE_PMGM_TIME_ALARM 0x6f
145#define RTAS_TYPE_PMGM_CONFIG_CHANGE 0x70
146#define RTAS_TYPE_PMGM_SERVICE_PROC 0x71
147
148
149#define RTAS_VECTOR_EXTERNAL_INTERRUPT 0x500
150
151struct rtas_error_log {
152 unsigned long version:8;
153 unsigned long severity:3;
154 unsigned long disposition:2;
155 unsigned long extended:1;
156 unsigned long :2;
157 unsigned long initiator:4;
158 unsigned long target:4;
159 unsigned long type:8;
160 unsigned long extended_log_length:32;
161 unsigned char buffer[1];
162};
163
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166
167
168extern void (*rtas_flash_term_hook)(int);
169
170extern struct rtas_t rtas;
171
172extern void enter_rtas(unsigned long);
173extern int rtas_token(const char *service);
174extern int rtas_service_present(const char *service);
175extern int rtas_call(int token, int, int, int *, ...);
176extern void rtas_restart(char *cmd);
177extern void rtas_power_off(void);
178extern void rtas_halt(void);
179extern void rtas_os_term(char *str);
180extern int rtas_get_sensor(int sensor, int index, int *state);
181extern int rtas_get_power_level(int powerdomain, int *level);
182extern int rtas_set_power_level(int powerdomain, int level, int *setlevel);
183extern bool rtas_indicator_present(int token, int *maxindex);
184extern int rtas_set_indicator(int indicator, int index, int new_value);
185extern int rtas_set_indicator_fast(int indicator, int index, int new_value);
186extern void rtas_progress(char *s, unsigned short hex);
187extern void rtas_initialize(void);
188extern int rtas_suspend_cpu(struct rtas_suspend_me_data *data);
189extern int rtas_suspend_last_cpu(struct rtas_suspend_me_data *data);
190extern int rtas_ibm_suspend_me(struct rtas_args *);
191
192struct rtc_time;
193extern unsigned long rtas_get_boot_time(void);
194extern void rtas_get_rtc_time(struct rtc_time *rtc_time);
195extern int rtas_set_rtc_time(struct rtc_time *rtc_time);
196
197extern unsigned int rtas_busy_delay_time(int status);
198extern unsigned int rtas_busy_delay(int status);
199
200extern int early_init_dt_scan_rtas(unsigned long node,
201 const char *uname, int depth, void *data);
202
203extern void pSeries_log_error(char *buf, unsigned int err_type, int fatal);
204
205
206#define ERR_FLAG_ALREADY_LOGGED 0x0
207#define ERR_FLAG_BOOT 0x1
208#define ERR_TYPE_RTAS_LOG 0x2
209#define ERR_TYPE_KERNEL_PANIC 0x4
210
211
212#define ERR_TYPE_MASK (ERR_TYPE_RTAS_LOG | ERR_TYPE_KERNEL_PANIC)
213
214#define RTAS_DEBUG KERN_DEBUG "RTAS: "
215
216#define RTAS_ERROR_LOG_MAX 2048
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222
223extern int rtas_get_error_log_max(void);
224
225
226#define EVENT_SCAN_ALL_EVENTS 0xf0000000
227#define SURVEILLANCE_TOKEN 9000
228#define LOG_NUMBER 64
229#define LOG_NUMBER_MASK (LOG_NUMBER-1)
230
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236
237#define RTAS_DATA_BUF_SIZE 4096
238extern spinlock_t rtas_data_buf_lock;
239extern char rtas_data_buf[RTAS_DATA_BUF_SIZE];
240
241
242extern unsigned long rtas_rmo_buf;
243
244#define GLOBAL_INTERRUPT_QUEUE 9005
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255
256static inline u32 rtas_config_addr(int busno, int devfn, int reg)
257{
258 return ((reg & 0xf00) << 20) | ((busno & 0xff) << 16) |
259 (devfn << 8) | (reg & 0xff);
260}
261
262extern void __cpuinit rtas_give_timebase(void);
263extern void __cpuinit rtas_take_timebase(void);
264
265#endif
266#endif
267