mca.h
上传用户:lgb322
上传日期:2013-02-24
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文件大小:4k
- /*
- * File: mca.h
- * Purpose: Machine check handling specific defines
- *
- * Copyright (C) 1999 Silicon Graphics, Inc.
- * Copyright (C) Vijay Chander (vijay@engr.sgi.com)
- * Copyright (C) Srinivasa Thirumalachar (sprasad@engr.sgi.com)
- */
- /* XXX use this temporary define for MP systems trying to INIT */
- #undef SAL_MPINIT_WORKAROUND
- #ifndef _ASM_IA64_MCA_H
- #define _ASM_IA64_MCA_H
- #if !defined(__ASSEMBLY__)
- #include <linux/types.h>
- #include <asm/param.h>
- #include <asm/sal.h>
- #include <asm/processor.h>
- /* These are the return codes from all the IA64_MCA specific interfaces */
- typedef int ia64_mca_return_code_t;
- enum {
- IA64_MCA_SUCCESS = 0,
- IA64_MCA_FAILURE = 1
- };
- #define IA64_MCA_RENDEZ_TIMEOUT (100 * HZ) /* 1000 milliseconds */
- #define IA64_CMC_INT_DISABLE 0
- #define IA64_CMC_INT_ENABLE 1
- typedef u32 int_vector_t;
- typedef u64 millisec_t;
- typedef union cmcv_reg_u {
- u64 cmcv_regval;
- struct {
- u64 cmcr_vector : 8;
- u64 cmcr_reserved1 : 4;
- u64 cmcr_ignored1 : 1;
- u64 cmcr_reserved2 : 3;
- u64 cmcr_mask : 1;
- u64 cmcr_ignored2 : 47;
- } cmcv_reg_s;
- } cmcv_reg_t;
- #define cmcv_mask cmcv_reg_s.cmcr_mask
- #define cmcv_vector cmcv_reg_s.cmcr_vector
- #define IA64_MCA_UCMC_HANDLER_SIZE 0x10
- #define IA64_INIT_HANDLER_SIZE 0x10
- enum {
- IA64_MCA_RENDEZ_CHECKIN_NOTDONE = 0x0,
- IA64_MCA_RENDEZ_CHECKIN_DONE = 0x1
- };
- /* Information maintained by the MC infrastructure */
- typedef struct ia64_mc_info_s {
- u64 imi_mca_handler;
- size_t imi_mca_handler_size;
- u64 imi_monarch_init_handler;
- size_t imi_monarch_init_handler_size;
- u64 imi_slave_init_handler;
- size_t imi_slave_init_handler_size;
- u8 imi_rendez_checkin[NR_CPUS];
- } ia64_mc_info_t;
- /* Possible rendez states passed from SAL to OS during MCA
- * handoff
- */
- enum {
- IA64_MCA_RENDEZ_NOT_RQD = 0x0,
- IA64_MCA_RENDEZ_DONE_WITHOUT_INIT = 0x1,
- IA64_MCA_RENDEZ_DONE_WITH_INIT = 0x2,
- IA64_MCA_RENDEZ_FAILURE = -1
- };
- typedef struct ia64_mca_sal_to_os_state_s {
- u64 imsto_os_gp; /* GP of the os registered with the SAL */
- u64 imsto_pal_proc; /* PAL_PROC entry point - physical addr */
- u64 imsto_sal_proc; /* SAL_PROC entry point - physical addr */
- u64 imsto_sal_gp; /* GP of the SAL - physical */
- u64 imsto_rendez_state; /* Rendez state information */
- u64 imsto_sal_check_ra; /* Return address in SAL_CHECK while going
- * back to SAL from OS after MCA handling.
- */
- } ia64_mca_sal_to_os_state_t;
- enum {
- IA64_MCA_CORRECTED = 0x0, /* Error has been corrected by OS_MCA */
- IA64_MCA_WARM_BOOT = -1, /* Warm boot of the system need from SAL */
- IA64_MCA_COLD_BOOT = -2, /* Cold boot of the system need from SAL */
- IA64_MCA_HALT = -3 /* System to be halted by SAL */
- };
- typedef struct ia64_mca_os_to_sal_state_s {
- u64 imots_os_status; /* OS status to SAL as to what happened
- * with the MCA handling.
- */
- u64 imots_sal_gp; /* GP of the SAL - physical */
- u64 imots_new_min_state; /* Pointer to structure containing
- * new values of registers in the min state
- * save area.
- */
- u64 imots_sal_check_ra; /* Return address in SAL_CHECK while going
- * back to SAL from OS after MCA handling.
- */
- } ia64_mca_os_to_sal_state_t;
- typedef int (*prfunc_t)(const char * fmt, ...);
- extern void ia64_mca_init(void);
- extern void ia64_os_mca_dispatch(void);
- extern void ia64_os_mca_dispatch_end(void);
- extern void ia64_mca_ucmc_handler(void);
- extern void ia64_monarch_init_handler(void);
- extern void ia64_slave_init_handler(void);
- extern void ia64_mca_rendez_int_handler(int,void *,struct pt_regs *);
- extern void ia64_mca_wakeup_int_handler(int,void *,struct pt_regs *);
- extern void ia64_mca_cmc_int_handler(int,void *,struct pt_regs *);
- extern void ia64_mca_cpe_int_handler(int,void *,struct pt_regs *);
- extern void ia64_log_print(int,prfunc_t);
- extern void ia64_mca_cmc_vector_setup(void);
- extern void ia64_mca_check_errors( void );
- extern u64 ia64_log_get(int, prfunc_t);
- #define PLATFORM_CALL(fn, args) printk("Platform call TBDn")
- #undef MCA_TEST
- #undef IA64_MCA_DEBUG_INFO
- #if defined(IA64_MCA_DEBUG_INFO)
- # define IA64_MCA_DEBUG(fmt...) printk(fmt)
- #else
- # define IA64_MCA_DEBUG(fmt...)
- #endif
- #endif /* !__ASSEMBLY__ */
- #endif /* _ASM_IA64_MCA_H */