Differential D31690 Diff 98629 sys/arm64/xen/xen_arch_intr.c

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sys/arm64/xen/xen_arch_intr.c

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#include <sys/kernel.h>		#include <sys/kernel.h>
#include <sys/limits.h>		#include <sys/limits.h>
#include <sys/lock.h>		#include <sys/lock.h>
#include <sys/mutex.h>		#include <sys/mutex.h>
#include <sys/interrupt.h>		#include <sys/interrupt.h>
#include <sys/pcpu.h>		#include <sys/pcpu.h>
#include <sys/smp.h>		#include <sys/smp.h>
#include <sys/syslog.h>		#include <sys/syslog.h>
		#include <sys/intr.h>

#include <xen/xen-os.h>		#include <xen/xen-os.h>
#include <xen/arch-intr.h>		#include <xen/arch-intr.h>

static void		static void
xen_intr_arch_disable_source(void *arg)		xen_intr_arch_disable_source(void *arg)
{		{
struct xenisrc *isrc;		struct xenisrc *isrc;
▲ Show 20 Lines • Show All 55 Lines • ▼ Show 20 Lines	error = intr_event_create(&isrc->xi_arch, isrc, 0,
xen_intr_arch_eoi_source /* EOI */,		xen_intr_arch_eoi_source /* EOI */,
xen_intr_arch_assign_cpu /* cpu assign */,		xen_intr_arch_assign_cpu /* cpu assign */,
"xen%d", port);		"xen%d", port);

if (error) {		if (error) {
free(isrc, mtype);		free(isrc, mtype);
isrc = NULL;		isrc = NULL;
}		}

		#ifdef SMP
		if (type == EVTCHN_TYPE_PORT) {
		static u_int current = 1;

		/*
		* By default all interrupts are assigned to vCPU#0
		* unless specified otherwise, so shuffle them to balance
		* the interrupt load.
		*/
		current = intr_irq_next_cpu(current, &all_cpus);
		isrc->xi_cpu = current;
		}
		#endif

return (isrc);		return (isrc);
}		}

void		void
xen_arch_intr_release(struct malloc_type mtype, struct xenisrc isrc)		xen_arch_intr_release(struct malloc_type mtype, struct xenisrc isrc)
{		{
intr_event_destroy(isrc->xi_arch);		intr_event_destroy(isrc->xi_arch);
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