Differential D36797 Diff 111190 sys/dev/hyperv/vmbus/hyperv.c

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sys/dev/hyperv/vmbus/hyperv.c

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__FBSDID("$FreeBSD$");		__FBSDID("$FreeBSD$");

#include <sys/param.h>		#include <sys/param.h>
#include <sys/kernel.h>		#include <sys/kernel.h>
#include <sys/malloc.h>		#include <sys/malloc.h>
#include <sys/systm.h>		#include <sys/systm.h>
#include <sys/timetc.h>		#include <sys/timetc.h>

		#include <machine/md_var.h>

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

#include <dev/hyperv/include/hyperv.h>		#include <dev/hyperv/include/hyperv.h>
#include <dev/hyperv/include/hyperv_busdma.h>		#include <dev/hyperv/include/hyperv_busdma.h>
#include <dev/hyperv/vmbus/hyperv_machdep.h>		#include <dev/hyperv/vmbus/hyperv_machdep.h>
▲ Show 20 Lines • Show All 112 Lines • ▼ Show 20 Lines	hyperv_identify(void)
do_cpuid(CPUID_LEAF_HV_FEATURES, regs);		do_cpuid(CPUID_LEAF_HV_FEATURES, regs);
if ((regs[0] & CPUID_HV_MSR_HYPERCALL) == 0) {		if ((regs[0] & CPUID_HV_MSR_HYPERCALL) == 0) {
/*		/*
* Hyper-V w/o Hypercall is impossible; someone		* Hyper-V w/o Hypercall is impossible; someone
* is faking Hyper-V.		* is faking Hyper-V.
*/		*/
return (false);		return (false);
}		}

		if (efi_boot)
		return (true);

hyperv_features = regs[0];		hyperv_features = regs[0];
hyperv_pm_features = regs[2];		hyperv_pm_features = regs[2];
hyperv_features3 = regs[3];		hyperv_features3 = regs[3];

do_cpuid(CPUID_LEAF_HV_IDENTITY, regs);		do_cpuid(CPUID_LEAF_HV_IDENTITY, regs);
hyperv_ver_major = regs[1] >> 16;		hyperv_ver_major = regs[1] >> 16;
printf("Hyper-V Version: %d.%d.%d [SP%d]\n",		printf("Hyper-V Version: %d.%d.%d [SP%d]\n",
hyperv_ver_major, regs[1] & 0xffff, regs[0], regs[2]);		hyperv_ver_major, regs[1] & 0xffff, regs[0], regs[2]);
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