234 строки
7.5 KiB
C
234 строки
7.5 KiB
C
#ifndef _POWERPC_RTAS_H
|
|
#define _POWERPC_RTAS_H
|
|
#ifdef __KERNEL__
|
|
|
|
#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];
|
|
};
|
|
|
|
/*
|
|
* This can be set by the rtas_flash module so that it can get called
|
|
* as the absolutely last thing before the kernel terminates.
|
|
*/
|
|
extern void (*rtas_flash_term_hook)(int);
|
|
|
|
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 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_progress(char *s, unsigned short hex);
|
|
extern void rtas_initialize(void);
|
|
|
|
struct rtc_time;
|
|
extern unsigned long rtas_get_boot_time(void);
|
|
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 /* __KERNEL__ */
|
|
#endif /* _POWERPC_RTAS_H */
|