[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [PATCH 09/10] events/x86: Define SCI virtual interrupt
PVH guests do not have IOAPIC which typically generates an SCI. For those guests SCI will be provided as a virtual interrupt. We also move VIRQ_MCA definition out of xen-mca.h to keep all x86-specific VIRQ_ARCH_* in one place. Signed-off-by: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx> --- xen/include/asm-x86/event.h | 3 ++- xen/include/public/arch-x86/xen-mca.h | 2 -- xen/include/public/arch-x86/xen.h | 3 +++ 3 files changed, 5 insertions(+), 3 deletions(-) diff --git a/xen/include/asm-x86/event.h b/xen/include/asm-x86/event.h index a82062e..9cad8e3 100644 --- a/xen/include/asm-x86/event.h +++ b/xen/include/asm-x86/event.h @@ -38,9 +38,10 @@ static inline void local_event_delivery_enable(void) vcpu_info(current, evtchn_upcall_mask) = 0; } -/* No arch specific virq definition now. Default to global. */ static inline int arch_virq_is_global(uint32_t virq) { + if ( virq == VIRQ_SCI ) + return 0; return 1; } diff --git a/xen/include/public/arch-x86/xen-mca.h b/xen/include/public/arch-x86/xen-mca.h index a97e821..b76c53c 100644 --- a/xen/include/public/arch-x86/xen-mca.h +++ b/xen/include/public/arch-x86/xen-mca.h @@ -91,8 +91,6 @@ #ifndef __ASSEMBLY__ -#define VIRQ_MCA VIRQ_ARCH_0 /* G. (DOM0) Machine Check Architecture */ - /* * Machine Check Architecure: * structs are read-only and used to report all kinds of diff --git a/xen/include/public/arch-x86/xen.h b/xen/include/public/arch-x86/xen.h index cdd93c1..bffa3e0 100644 --- a/xen/include/public/arch-x86/xen.h +++ b/xen/include/public/arch-x86/xen.h @@ -293,6 +293,9 @@ struct xen_arch_domainconfig { }; #endif +#define VIRQ_MCA VIRQ_ARCH_0 /* G. (DOM0) Machine Check Architecture */ +#define VIRQ_SCI VIRQ_ARCH_1 /* V. (PVH) ACPI interrupt */ + #endif /* !__ASSEMBLY__ */ /* -- 2.7.4 _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx https://lists.xen.org/xen-devel
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