| /* |
| * 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) |
| */ |
| |
| #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 */ |
| }; |
| |
| enum { |
| IA64_MCA_SAME_CONTEXT = 0x0, /* SAL to return to same context */ |
| IA64_MCA_NEW_CONTEXT = -1 /* SAL to return to new context */ |
| }; |
| |
| 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_context; /* 0 if return to same context |
| 1 if return to new context */ |
| 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 int 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 TBD\n") |
| |
| #define platform_mem_dev_err_print ia64_log_prt_oem_data |
| #define platform_pci_bus_err_print ia64_log_prt_oem_data |
| #define platform_pci_comp_err_print ia64_log_prt_oem_data |
| #define platform_plat_specific_err_print ia64_log_prt_oem_data |
| #define platform_host_ctlr_err_print ia64_log_prt_oem_data |
| #define platform_plat_bus_err_print ia64_log_prt_oem_data |
| |
| #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 */ |