Differential D7530 Diff 19349 sys/dev/hyperv/utilities/hv_timesync.c

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sys/dev/hyperv/utilities/hv_timesync.c

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#define HV_ICTIMESYNCFLAG_SAMPLE 2		#define HV_ICTIMESYNCFLAG_SAMPLE 2
#define HV_NANO_SEC_PER_SEC 1000000000		#define HV_NANO_SEC_PER_SEC 1000000000

/* Time Sync data */		/* Time Sync data */
typedef struct {		typedef struct {
uint64_t data;		uint64_t data;
} time_sync_data;		} time_sync_data;

/* Time Synch Service */		static const struct vmbus_ic_desc vmbus_timesync_descs[] = {
static const struct hyperv_guid service_guid = {.hv_guid =		{
{0x30, 0xe6, 0x27, 0x95, 0xae, 0xd0, 0x7b, 0x49,		.ic_guid = { .hv_guid = {
0xad, 0xce, 0xe8, 0x0a, 0xb0, 0x17, 0x5c, 0xaf } };		0x30, 0xe6, 0x27, 0x95, 0xae, 0xd0, 0x7b, 0x49,
		0xad, 0xce, 0xe8, 0x0a, 0xb0, 0x17, 0x5c, 0xaf } },
		.ic_desc = "Hyper-V Timesync"
		},
		VMBUS_IC_DESC_END
		};

struct hv_ictimesync_data {		struct hv_ictimesync_data {
uint64_t parenttime;		uint64_t parenttime;
uint64_t childtime;		uint64_t childtime;
uint64_t roundtriptime;		uint64_t roundtriptime;
uint8_t flags;		uint8_t flags;
} __packed;		} __packed;

▲ Show 20 Lines • Show All 96 Lines • ▼ Show 20 Lines	\| HV_ICMSGHDRFLAG_RESPONSE;
vmbus_chan_send(channel, VMBUS_CHANPKT_TYPE_INBAND, 0,		vmbus_chan_send(channel, VMBUS_CHANPKT_TYPE_INBAND, 0,
time_buf, recvlen, requestId);		time_buf, recvlen, requestId);
}		}
}		}

static int		static int
hv_timesync_probe(device_t dev)		hv_timesync_probe(device_t dev)
{		{
if (resource_disabled("hvtimesync", 0))
return ENXIO;

if (VMBUS_PROBE_GUID(device_get_parent(dev), dev, &service_guid) == 0) {		return (vmbus_ic_probe(dev, vmbus_timesync_descs));
device_set_desc(dev, "Hyper-V Time Synch Service");
return BUS_PROBE_DEFAULT;
}
return ENXIO;
}		}

static int		static int
hv_timesync_attach(device_t dev)		hv_timesync_attach(device_t dev)
{		{
hv_timesync_sc *softc = device_get_softc(dev);		hv_timesync_sc *softc = device_get_softc(dev);

TASK_INIT(&softc->task, 1, hv_set_host_time, softc);		TASK_INIT(&softc->task, 1, hv_set_host_time, softc);
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