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Diffstat (limited to 'arch/ia64/include/asm/mca.h')
| -rw-r--r-- | arch/ia64/include/asm/mca.h | 185 |
1 files changed, 0 insertions, 185 deletions
diff --git a/arch/ia64/include/asm/mca.h b/arch/ia64/include/asm/mca.h deleted file mode 100644 index 0580524929..0000000000 --- a/arch/ia64/include/asm/mca.h +++ /dev/null @@ -1,185 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/* - * File: mca.h - * Purpose: Machine check handling specific defines - * - * Copyright (C) 1999, 2004 Silicon Graphics, Inc. - * Copyright (C) Vijay Chander <vijay@engr.sgi.com> - * Copyright (C) Srinivasa Thirumalachar <sprasad@engr.sgi.com> - * Copyright (C) Russ Anderson <rja@sgi.com> - */ - -#ifndef _ASM_IA64_MCA_H -#define _ASM_IA64_MCA_H - -#if !defined(__ASSEMBLY__) - -#include <linux/percpu.h> -#include <linux/threads.h> -#include <linux/types.h> -#include <asm/ptrace.h> - -#define IA64_MCA_RENDEZ_TIMEOUT (20 * 1000) /* value in milliseconds - 20 seconds */ - -typedef struct ia64_fptr { - unsigned long fp; - unsigned long gp; -} ia64_fptr_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 - -enum { - IA64_MCA_RENDEZ_CHECKIN_NOTDONE = 0x0, - IA64_MCA_RENDEZ_CHECKIN_DONE = 0x1, - IA64_MCA_RENDEZ_CHECKIN_INIT = 0x2, - IA64_MCA_RENDEZ_CHECKIN_CONCURRENT_MCA = 0x3, -}; - -/* 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; - -/* Handover state from SAL to OS and vice versa, for both MCA and INIT events. - * Besides the handover state, it also contains some saved registers from the - * time of the event. - * Note: mca_asm.S depends on the precise layout of this structure. - */ - -struct ia64_sal_os_state { - - /* SAL to OS */ - unsigned long os_gp; /* GP of the os registered with the SAL, physical */ - unsigned long pal_proc; /* PAL_PROC entry point, physical */ - unsigned long sal_proc; /* SAL_PROC entry point, physical */ - unsigned long rv_rc; /* MCA - Rendezvous state, INIT - reason code */ - unsigned long proc_state_param; /* from R18 */ - unsigned long monarch; /* 1 for a monarch event, 0 for a slave */ - - /* common */ - unsigned long sal_ra; /* Return address in SAL, physical */ - unsigned long sal_gp; /* GP of the SAL - physical */ - struct pal_min_state_area *pal_min_state; /* from R17. physical in asm, virtual in C */ - /* Previous values of IA64_KR(CURRENT) and IA64_KR(CURRENT_STACK). - * Note: if the MCA/INIT recovery code wants to resume to a new context - * then it must change these values to reflect the new kernel stack. - */ - unsigned long prev_IA64_KR_CURRENT; /* previous value of IA64_KR(CURRENT) */ - unsigned long prev_IA64_KR_CURRENT_STACK; - struct task_struct *prev_task; /* previous task, NULL if it is not useful */ - /* Some interrupt registers are not saved in minstate, pt_regs or - * switch_stack. Because MCA/INIT can occur when interrupts are - * disabled, we need to save the additional interrupt registers over - * MCA/INIT and resume. - */ - unsigned long isr; - unsigned long ifa; - unsigned long itir; - unsigned long iipa; - unsigned long iim; - unsigned long iha; - - /* OS to SAL */ - unsigned long os_status; /* OS status to SAL, enum below */ - unsigned long context; /* 0 if return to same context - 1 if return to new context */ - - /* I-resources */ - unsigned long iip; - unsigned long ipsr; - unsigned long ifs; -}; - -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_INIT_RESUME = 0x0, /* Resume after return from INIT */ - IA64_INIT_WARM_BOOT = -1, /* Warm boot of the system need from SAL */ -}; - -enum { - IA64_MCA_SAME_CONTEXT = 0x0, /* SAL to return to same context */ - IA64_MCA_NEW_CONTEXT = -1 /* SAL to return to new context */ -}; - -/* Per-CPU MCA state that is too big for normal per-CPU variables. */ - -struct ia64_mca_cpu { - u64 mca_stack[KERNEL_STACK_SIZE/8]; - u64 init_stack[KERNEL_STACK_SIZE/8]; -}; - -/* Array of physical addresses of each CPU's MCA area. */ -extern unsigned long __per_cpu_mca[NR_CPUS]; - -extern int cpe_vector; -extern int ia64_cpe_irq; -extern void ia64_mca_init(void); -extern void ia64_mca_irq_init(void); -extern void ia64_mca_cpu_init(void *); -extern void ia64_os_mca_dispatch(void); -extern void ia64_os_mca_dispatch_end(void); -extern void ia64_mca_ucmc_handler(struct pt_regs *, struct ia64_sal_os_state *); -extern void ia64_init_handler(struct pt_regs *, - struct switch_stack *, - struct ia64_sal_os_state *); -extern void ia64_os_init_on_kdump(void); -extern void ia64_monarch_init_handler(void); -extern void ia64_slave_init_handler(void); -extern void ia64_mca_cmc_vector_setup(void); -extern int ia64_reg_MCA_extension(int (*fn)(void *, struct ia64_sal_os_state *)); -extern void ia64_unreg_MCA_extension(void); -extern unsigned long ia64_get_rnat(unsigned long *); -extern void ia64_set_psr_mc(void); -extern void ia64_mca_printk(const char * fmt, ...) - __attribute__ ((format (printf, 1, 2))); - -struct ia64_mca_notify_die { - struct ia64_sal_os_state *sos; - int *monarch_cpu; - int *data; -}; - -DECLARE_PER_CPU(u64, ia64_mca_pal_base); - -#else /* __ASSEMBLY__ */ - -#define IA64_MCA_CORRECTED 0x0 /* Error has been corrected by OS_MCA */ -#define IA64_MCA_WARM_BOOT -1 /* Warm boot of the system need from SAL */ -#define IA64_MCA_COLD_BOOT -2 /* Cold boot of the system need from SAL */ -#define IA64_MCA_HALT -3 /* System to be halted by SAL */ - -#define IA64_INIT_RESUME 0x0 /* Resume after return from INIT */ -#define IA64_INIT_WARM_BOOT -1 /* Warm boot of the system need from SAL */ - -#define IA64_MCA_SAME_CONTEXT 0x0 /* SAL to return to same context */ -#define IA64_MCA_NEW_CONTEXT -1 /* SAL to return to new context */ - -#endif /* !__ASSEMBLY__ */ -#endif /* _ASM_IA64_MCA_H */ |