1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
|
#ifndef _PPC64_RTAS_H
#define _PPC64_RTAS_H
#include <linux/spinlock.h>
#include <asm/page.h>
/*
* Definitions for talking to the RTAS on CHRP machines.
*
* Copyright (C) 2001 Peter Bergner
* Copyright (C) 2001 PPC 64 Team, IBM Corp
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*/
#define RTAS_UNKNOWN_SERVICE (-1)
#define RTAS_INSTANTIATE_MAX (1UL<<30) /* Don't instantiate rtas at/above this value */
/* Buffer size for ppc_rtas system call. */
#define RTAS_RMOBUF_MAX (64 * 1024)
/* RTAS return status codes */
#define RTAS_BUSY -2 /* RTAS Busy */
#define RTAS_EXTENDED_DELAY_MIN 9900
#define RTAS_EXTENDED_DELAY_MAX 9905
/*
* In general to call RTAS use rtas_token("string") to lookup
* an RTAS token for the given string (e.g. "event-scan").
* To actually perform the call use
* ret = rtas_call(token, n_in, n_out, ...)
* Where n_in is the number of input parameters and
* n_out is the number of output parameters
*
* If the "string" is invalid on this system, RTAS_UNKNOWN_SERVICE
* will be returned as a token. rtas_call() does look for this
* token and error out gracefully so rtas_call(rtas_token("str"), ...)
* may be safely used for one-shot calls to RTAS.
*
*/
typedef u32 rtas_arg_t;
struct rtas_args {
u32 token;
u32 nargs;
u32 nret;
rtas_arg_t args[16];
rtas_arg_t *rets; /* Pointer to return values in args[]. */
};
extern struct rtas_args rtas_stop_self_args;
struct rtas_t {
unsigned long entry; /* physical address pointer */
unsigned long base; /* physical address pointer */
unsigned long size;
spinlock_t lock;
struct rtas_args args;
struct device_node *dev; /* virtual address pointer */
};
/* RTAS event classes */
#define RTAS_INTERNAL_ERROR 0x80000000 /* set bit 0 */
#define RTAS_EPOW_WARNING 0x40000000 /* set bit 1 */
#define RTAS_POWERMGM_EVENTS 0x20000000 /* set bit 2 */
#define RTAS_HOTPLUG_EVENTS 0x10000000 /* set bit 3 */
#define RTAS_EVENT_SCAN_ALL_EVENTS 0xf0000000
/* RTAS event severity */
#define RTAS_SEVERITY_FATAL 0x5
#define RTAS_SEVERITY_ERROR 0x4
#define RTAS_SEVERITY_ERROR_SYNC 0x3
#define RTAS_SEVERITY_WARNING 0x2
#define RTAS_SEVERITY_EVENT 0x1
#define RTAS_SEVERITY_NO_ERROR 0x0
/* RTAS event disposition */
#define RTAS_DISP_FULLY_RECOVERED 0x0
#define RTAS_DISP_LIMITED_RECOVERY 0x1
#define RTAS_DISP_NOT_RECOVERED 0x2
/* RTAS event initiator */
#define RTAS_INITIATOR_UNKNOWN 0x0
#define RTAS_INITIATOR_CPU 0x1
#define RTAS_INITIATOR_PCI 0x2
#define RTAS_INITIATOR_ISA 0x3
#define RTAS_INITIATOR_MEMORY 0x4
#define RTAS_INITIATOR_POWERMGM 0x5
/* RTAS event target */
#define RTAS_TARGET_UNKNOWN 0x0
#define RTAS_TARGET_CPU 0x1
#define RTAS_TARGET_PCI 0x2
#define RTAS_TARGET_ISA 0x3
#define RTAS_TARGET_MEMORY 0x4
#define RTAS_TARGET_POWERMGM 0x5
/* RTAS event type */
#define RTAS_TYPE_RETRY 0x01
#define RTAS_TYPE_TCE_ERR 0x02
#define RTAS_TYPE_INTERN_DEV_FAIL 0x03
#define RTAS_TYPE_TIMEOUT 0x04
#define RTAS_TYPE_DATA_PARITY 0x05
#define RTAS_TYPE_ADDR_PARITY 0x06
#define RTAS_TYPE_CACHE_PARITY 0x07
#define RTAS_TYPE_ADDR_INVALID 0x08
#define RTAS_TYPE_ECC_UNCORR 0x09
#define RTAS_TYPE_ECC_CORR 0x0a
#define RTAS_TYPE_EPOW 0x40
#define RTAS_TYPE_PLATFORM 0xE0
#define RTAS_TYPE_IO 0xE1
#define RTAS_TYPE_INFO 0xE2
#define RTAS_TYPE_DEALLOC 0xE3
#define RTAS_TYPE_DUMP 0xE4
/* I don't add PowerMGM events right now, this is a different topic */
#define RTAS_TYPE_PMGM_POWER_SW_ON 0x60
#define RTAS_TYPE_PMGM_POWER_SW_OFF 0x61
#define RTAS_TYPE_PMGM_LID_OPEN 0x62
#define RTAS_TYPE_PMGM_LID_CLOSE 0x63
#define RTAS_TYPE_PMGM_SLEEP_BTN 0x64
#define RTAS_TYPE_PMGM_WAKE_BTN 0x65
#define RTAS_TYPE_PMGM_BATTERY_WARN 0x66
#define RTAS_TYPE_PMGM_BATTERY_CRIT 0x67
#define RTAS_TYPE_PMGM_SWITCH_TO_BAT 0x68
#define RTAS_TYPE_PMGM_SWITCH_TO_AC 0x69
#define RTAS_TYPE_PMGM_KBD_OR_MOUSE 0x6a
#define RTAS_TYPE_PMGM_ENCLOS_OPEN 0x6b
#define RTAS_TYPE_PMGM_ENCLOS_CLOSED 0x6c
#define RTAS_TYPE_PMGM_RING_INDICATE 0x6d
#define RTAS_TYPE_PMGM_LAN_ATTENTION 0x6e
#define RTAS_TYPE_PMGM_TIME_ALARM 0x6f
#define RTAS_TYPE_PMGM_CONFIG_CHANGE 0x70
#define RTAS_TYPE_PMGM_SERVICE_PROC 0x71
struct rtas_error_log {
unsigned long version:8; /* Architectural version */
unsigned long severity:3; /* Severity level of error */
unsigned long disposition:2; /* Degree of recovery */
unsigned long extended:1; /* extended log present? */
unsigned long /* reserved */ :2; /* Reserved for future use */
unsigned long initiator:4; /* Initiator of event */
unsigned long target:4; /* Target of failed operation */
unsigned long type:8; /* General event or error*/
unsigned long extended_log_length:32; /* length in bytes */
unsigned char buffer[1];
};
struct flash_block {
char *data;
unsigned long length;
};
/* This struct is very similar but not identical to
* that needed by the rtas flash update.
* All we need to do for rtas is rewrite num_blocks
* into a version/length and translate the pointers
* to absolute.
*/
#define FLASH_BLOCKS_PER_NODE ((PAGE_SIZE - 16) / sizeof(struct flash_block))
struct flash_block_list {
unsigned long num_blocks;
struct flash_block_list *next;
struct flash_block blocks[FLASH_BLOCKS_PER_NODE];
};
struct flash_block_list_header { /* just the header of flash_block_list */
unsigned long num_blocks;
struct flash_block_list *next;
};
extern struct flash_block_list_header rtas_firmware_flash_list;
extern struct rtas_t rtas;
extern void enter_rtas(unsigned long);
extern int rtas_token(const char *service);
extern int rtas_call(int token, int, int, int *, ...);
extern void call_rtas_display_status(unsigned char);
extern void rtas_restart(char *cmd);
extern void rtas_power_off(void);
extern void rtas_halt(void);
extern void rtas_os_term(char *str);
extern int rtas_get_sensor(int sensor, int index, int *state);
extern int rtas_get_power_level(int powerdomain, int *level);
extern int rtas_set_power_level(int powerdomain, int level, int *setlevel);
extern int rtas_set_indicator(int indicator, int index, int new_value);
extern void rtas_initialize(void);
struct rtc_time;
extern void rtas_get_boot_time(struct rtc_time *rtc_time);
extern void rtas_get_rtc_time(struct rtc_time *rtc_time);
extern int rtas_set_rtc_time(struct rtc_time *rtc_time);
/* Given an RTAS status code of 9900..9905 compute the hinted delay */
unsigned int rtas_extended_busy_delay_time(int status);
static inline int rtas_is_extended_busy(int status)
{
return status >= 9900 && status <= 9909;
}
extern void pSeries_log_error(char *buf, unsigned int err_type, int fatal);
/* Error types logged. */
#define ERR_FLAG_ALREADY_LOGGED 0x0
#define ERR_FLAG_BOOT 0x1 /* log was pulled from NVRAM on boot */
#define ERR_TYPE_RTAS_LOG 0x2 /* from rtas event-scan */
#define ERR_TYPE_KERNEL_PANIC 0x4 /* from panic() */
/* All the types and not flags */
#define ERR_TYPE_MASK (ERR_TYPE_RTAS_LOG | ERR_TYPE_KERNEL_PANIC)
#define RTAS_DEBUG KERN_DEBUG "RTAS: "
#define RTAS_ERROR_LOG_MAX 2048
/*
* Return the firmware-specified size of the error log buffer
* for all rtas calls that require an error buffer argument.
* This includes 'check-exception' and 'rtas-last-error'.
*/
extern int rtas_get_error_log_max(void);
/* Event Scan Parameters */
#define EVENT_SCAN_ALL_EVENTS 0xf0000000
#define SURVEILLANCE_TOKEN 9000
#define LOG_NUMBER 64 /* must be a power of two */
#define LOG_NUMBER_MASK (LOG_NUMBER-1)
/* Some RTAS ops require a data buffer and that buffer must be < 4G.
* Rather than having a memory allocator, just use this buffer
* (get the lock first), make the RTAS call. Copy the data instead
* of holding the buffer for long.
*/
#define RTAS_DATA_BUF_SIZE 4096
extern spinlock_t rtas_data_buf_lock;
extern char rtas_data_buf[RTAS_DATA_BUF_SIZE];
extern void rtas_stop_self(void);
/* RMO buffer reserved for user-space RTAS use */
extern unsigned long rtas_rmo_buf;
#define GLOBAL_INTERRUPT_QUEUE 9005
#endif /* _PPC64_RTAS_H */
|
