| Line | |
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| 1 | /* |
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| 2 | * include/asm-xen/asm-i386/mach-xen/mach_traps.h |
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| 3 | * |
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| 4 | * Machine specific NMI handling for Xen |
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| 5 | */ |
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| 6 | #ifndef _MACH_TRAPS_H |
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| 7 | #define _MACH_TRAPS_H |
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| 8 | |
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| 9 | #include <linux/bitops.h> |
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| 10 | #include <xen/interface/nmi.h> |
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| 11 | |
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| 12 | static inline void clear_mem_error(unsigned char reason) {} |
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| 13 | static inline void clear_io_check_error(unsigned char reason) {} |
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| 14 | |
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| 15 | static inline unsigned char get_nmi_reason(void) |
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| 16 | { |
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| 17 | shared_info_t *s = HYPERVISOR_shared_info; |
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| 18 | unsigned char reason = 0; |
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| 19 | |
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| 20 | /* construct a value which looks like it came from |
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| 21 | * port 0x61. |
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| 22 | */ |
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| 23 | if (test_bit(_XEN_NMIREASON_io_error, &s->arch.nmi_reason)) |
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| 24 | reason |= 0x40; |
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| 25 | if (test_bit(_XEN_NMIREASON_parity_error, &s->arch.nmi_reason)) |
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| 26 | reason |= 0x80; |
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| 27 | |
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| 28 | return reason; |
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| 29 | } |
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| 30 | |
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| 31 | static inline void reassert_nmi(void) {} |
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| 32 | |
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| 33 | #endif /* !_MACH_TRAPS_H */ |
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