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Differential D25754 Diff 74918 head/sys/x86/xen/xen_apic.c

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head/sys/x86/xen/xen_apic.c

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static driver_filter_t xen_invltlb; static driver_filter_t xen_invltlb;
static driver_filter_t xen_invlpg; static driver_filter_t xen_invlpg;
static driver_filter_t xen_invlrng; static driver_filter_t xen_invlrng;
static driver_filter_t xen_invlcache; static driver_filter_t xen_invlcache;
#endif #endif
static driver_filter_t xen_ipi_bitmap_handler; static driver_filter_t xen_ipi_bitmap_handler;
static driver_filter_t xen_cpustop_handler; static driver_filter_t xen_cpustop_handler;
static driver_filter_t xen_cpususpend_handler; static driver_filter_t xen_cpususpend_handler;
static driver_filter_t xen_ipi_swi_handler;
#endif #endif
/*---------------------------------- Macros ----------------------------------*/ /*---------------------------------- Macros ----------------------------------*/
#define IPI_TO_IDX(ipi) ((ipi) - APIC_IPI_INTS) #define IPI_TO_IDX(ipi) ((ipi) - APIC_IPI_INTS)
/*--------------------------------- Xen IPIs ---------------------------------*/ /*--------------------------------- Xen IPIs ---------------------------------*/
#ifdef SMP #ifdef SMP
struct xen_ipi_handler struct xen_ipi_handler
Show All 11 Lines#else
[IPI_TO_IDX(IPI_INVLTLB)] = { xen_invltlb, "itlb"}, [IPI_TO_IDX(IPI_INVLTLB)] = { xen_invltlb, "itlb"},
[IPI_TO_IDX(IPI_INVLPG)] = { xen_invlpg, "ipg" }, [IPI_TO_IDX(IPI_INVLPG)] = { xen_invlpg, "ipg" },
[IPI_TO_IDX(IPI_INVLRNG)] = { xen_invlrng, "irg" }, [IPI_TO_IDX(IPI_INVLRNG)] = { xen_invlrng, "irg" },
[IPI_TO_IDX(IPI_INVLCACHE)] = { xen_invlcache, "ic" }, [IPI_TO_IDX(IPI_INVLCACHE)] = { xen_invlcache, "ic" },
#endif #endif
[IPI_TO_IDX(IPI_BITMAP_VECTOR)] = { xen_ipi_bitmap_handler, "b" }, [IPI_TO_IDX(IPI_BITMAP_VECTOR)] = { xen_ipi_bitmap_handler, "b" },
[IPI_TO_IDX(IPI_STOP)] = { xen_cpustop_handler, "st" }, [IPI_TO_IDX(IPI_STOP)] = { xen_cpustop_handler, "st" },
[IPI_TO_IDX(IPI_SUSPEND)] = { xen_cpususpend_handler, "sp" }, [IPI_TO_IDX(IPI_SUSPEND)] = { xen_cpususpend_handler, "sp" },
[IPI_TO_IDX(IPI_SWI)] = { xen_ipi_swi_handler, "sw" },
}; };
#endif #endif
/*------------------------------- Per-CPU Data -------------------------------*/ /*------------------------------- Per-CPU Data -------------------------------*/
#ifdef SMP #ifdef SMP
DPCPU_DEFINE(xen_intr_handle_t, ipi_handle[nitems(xen_ipis)]); DPCPU_DEFINE(xen_intr_handle_t, ipi_handle[nitems(xen_ipis)]);
#endif #endif
▲ Show 20 Lines • Show All 400 Lines • ▼ Show 20 Linesxen_cpustop_handler(void *arg)
return (FILTER_HANDLED); return (FILTER_HANDLED);
} }
static int static int
xen_cpususpend_handler(void *arg) xen_cpususpend_handler(void *arg)
{ {
cpususpend_handler(); cpususpend_handler();
return (FILTER_HANDLED);
}
static int
xen_ipi_swi_handler(void *arg)
{
struct trapframe *frame = arg;
ipi_swi_handler(*frame);
return (FILTER_HANDLED); return (FILTER_HANDLED);
} }
/*----------------------------- XEN PV IPI setup -----------------------------*/ /*----------------------------- XEN PV IPI setup -----------------------------*/
/* /*
* Those functions are provided outside of the Xen PV APIC implementation * Those functions are provided outside of the Xen PV APIC implementation
* so PVHVM guests can also use PV IPIs without having an actual Xen PV APIC, * so PVHVM guests can also use PV IPIs without having an actual Xen PV APIC,
* because on PVHVM there's an emulated LAPIC provided by Xen. * because on PVHVM there's an emulated LAPIC provided by Xen.
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