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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 | /* * 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 */ #define 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 */ /* Interrupt vectors reserved for MC handling. */ #define IA64_MCA_RENDEZ_INT_VECTOR 0xF3 /* Rendez interrupt */ #define IA64_MCA_WAKEUP_INT_VECTOR 0x12 /* Wakeup interrupt */ #define IA64_MCA_CMC_INT_VECTOR 0xF2 /* Correctable machine check interrupt */ #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_ignored1 : 47; u64 cmcr_mask : 1; u64 cmcr_reserved1 : 3; u64 cmcr_ignored2 : 1; u64 cmcr_reserved2 : 4; } 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 }; #define IA64_MAXCPUS 64 /* Need to do something about this */ /* 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[IA64_MAXCPUS]; } 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_log_print(int,int,prfunc_t); #define PLATFORM_CALL(fn, args) printk("Platform call TBD\n") #undef MCA_TEST #define IA64_MCA_DEBUG_INFO 1 #if defined(IA64_MCA_DEBUG_INFO) # define IA64_MCA_DEBUG printk #else # define IA64_MCA_DEBUG #endif #endif /* !__ASSEMBLY__ */ #endif /* _ASM_IA64_MCA_H */ |