Differential D4676 Diff 12282 head/sys/dev/hyperv/vmbus/hv_hv.c

Changeset View

Standalone View

Show All 39 Lines
#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"

#define HV_X64_MSR_GUEST_OS_ID 0x40000000

#define HV_X64_CPUID_MIN 0x40000005
#define HV_X64_CPUID_MAX 0x4000ffff
#define HV_X64_MSR_TIME_REF_COUNT 0x40000020

#define HV_NANOSECONDS_PER_SEC 1000000000L		#define HV_NANOSECONDS_PER_SEC 1000000000L


static u_int hv_get_timecount(struct timecounter *tc);		static u_int hv_get_timecount(struct timecounter *tc);

/**		/**
* Globals		* Globals
*/		*/
▲ Show 20 Lines • Show All 151 Lines • ▼ Show 20 Lines	hv_vmbus_init(void)
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 */		tc_init(&hv_timecounter); /* register virtual timecount */

		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;
wrmsr(HV_X64_MSR_HYPERCALL,		wrmsr(HV_X64_MSR_HYPERCALL,
▲ Show 20 Lines • Show All 205 Lines • Show Last 20 Lines