Differential D5778 Diff 14798 head/sys/dev/hyperv/vmbus/hv_hv.c

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head/sys/dev/hyperv/vmbus/hv_hv.c

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*/		*/
#include <sys/cdefs.h>		#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");		__FBSDID("$FreeBSD$");

#include <sys/param.h>		#include <sys/param.h>
#include <sys/malloc.h>		#include <sys/malloc.h>
#include <sys/pcpu.h>		#include <sys/pcpu.h>
#include <sys/timetc.h>		#include <sys/timetc.h>
		#include <sys/kernel.h>
#include <machine/bus.h>		#include <machine/bus.h>
#include <machine/md_var.h>		#include <machine/md_var.h>
#include <vm/vm.h>		#include <vm/vm.h>
#include <vm/vm_param.h>		#include <vm/vm_param.h>
#include <vm/pmap.h>		#include <vm/pmap.h>


#include "hv_vmbus_priv.h"		#include "hv_vmbus_priv.h"
▲ Show 20 Lines • Show All 155 Lines • ▼ Show 20 Lines	hv_vmbus_init(void)
hypercall_msr.as_uint64_t = 0;		hypercall_msr.as_uint64_t = 0;
hypercall_msr.as_uint64_t = rdmsr(HV_X64_MSR_HYPERCALL);		hypercall_msr.as_uint64_t = rdmsr(HV_X64_MSR_HYPERCALL);

if (!hypercall_msr.u.enable)		if (!hypercall_msr.u.enable)
goto cleanup;		goto cleanup;

hv_vmbus_g_context.hypercall_page = virt_addr;		hv_vmbus_g_context.hypercall_page = virt_addr;

tc_init(&hv_timecounter); /* register virtual timecount */

hv_et_init();		hv_et_init();

return (0);		return (0);

cleanup:		cleanup:
if (virt_addr != NULL) {		if (virt_addr != NULL) {
if (hypercall_msr.u.enable) {		if (hypercall_msr.u.enable) {
hypercall_msr.as_uint64_t = 0;		hypercall_msr.as_uint64_t = 0;
▲ Show 20 Lines • Show All 212 Lines • ▼ Show 20 Lines	void hv_vmbus_synic_cleanup(void *arg)

siefp.as_uint64_t = rdmsr(HV_X64_MSR_SIEFP);		siefp.as_uint64_t = rdmsr(HV_X64_MSR_SIEFP);
siefp.u.siefp_enabled = 0;		siefp.u.siefp_enabled = 0;
siefp.u.base_siefp_gpa = 0;		siefp.u.base_siefp_gpa = 0;

wrmsr(HV_X64_MSR_SIEFP, siefp.as_uint64_t);		wrmsr(HV_X64_MSR_SIEFP, siefp.as_uint64_t);
}		}

		static void
		hv_tc_init(void)
		{
		if (vm_guest != VM_GUEST_HV)
		return;

		/* register virtual timecounter */
		tc_init(&hv_timecounter);
		}

		SYSINIT(hv_tc_init, SI_SUB_HYPERVISOR, SI_ORDER_FIRST, hv_tc_init, NULL);