Differential D11911 Diff 31858 head/sys/x86/xen/pvcpu_enum.c

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head/sys/x86/xen/pvcpu_enum.c

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	#include <vm/vm.h>			#include <vm/vm.h>
	#include <vm/pmap.h>			#include <vm/pmap.h>

	#include <machine/intr_machdep.h>			#include <machine/intr_machdep.h>
	#include <x86/apicvar.h>			#include <x86/apicvar.h>

	#include <machine/cpu.h>			#include <machine/cpu.h>
	#include <machine/smp.h>			#include <machine/smp.h>
				#include <machine/md_var.h>

	#include <xen/xen-os.h>			#include <xen/xen-os.h>
	#include <xen/xen_intr.h>			#include <xen/xen_intr.h>
	#include <xen/hypervisor.h>			#include <xen/hypervisor.h>

	#include <xen/interface/vcpu.h>			#include <xen/interface/vcpu.h>

	#include <contrib/dev/acpica/include/acpi.h>			#include <contrib/dev/acpica/include/acpi.h>
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	* Test each possible vCPU in order to find the number of vCPUs			* Test each possible vCPU in order to find the number of vCPUs
	*/			*/
	static int			static int
	xenpv_probe_cpus(void)			xenpv_probe_cpus(void)
	{			{
	#ifdef SMP			#ifdef SMP
	int i, ret;			int i, ret;

	for (i = 0; i < MAXCPU; i++) {			for (i = 0; i < MAXCPU && (i * 2) < MAX_APIC_ID; i++) {
	ret = HYPERVISOR_vcpu_op(VCPUOP_is_up, i, NULL);			ret = HYPERVISOR_vcpu_op(VCPUOP_is_up, i, NULL);
	if (ret >= 0)			mp_ncpus = min(mp_ncpus + 1, MAXCPU);
	lapic_create((i * 2), (i == 0));
	}			}
				mp_maxid = mp_ncpus - 1;
				max_apic_id = mp_ncpus * 2;
	#endif			#endif
	return (0);			return (0);
	}			}

	/*			/*
	* Initialize the vCPU id of the BSP			* Initialize the vCPU id of the BSP
	*/			*/
	static int			static int
	xenpv_setup_local(void)			xenpv_setup_local(void)
	{			{
				#ifdef SMP
				int i, ret;

				for (i = 0; i < MAXCPU && (i * 2) < MAX_APIC_ID; i++) {
				ret = HYPERVISOR_vcpu_op(VCPUOP_is_up, i, NULL);
				if (ret >= 0)
				lapic_create((i * 2), (i == 0));
				}
				#endif

	PCPU_SET(vcpu_id, 0);			PCPU_SET(vcpu_id, 0);
	lapic_init(0);			lapic_init(0);
	return (0);			return (0);
	}			}

	/*			/*
	* On PVH guests there's no IO APIC			* On PVH guests there's no IO APIC
	*/			*/
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