Update vendor github.com/Microsoft/go-winio

Signed-off-by: Justin Terry (VM) <juterry@microsoft.com>

vendor/github.com/Microsoft/go-winio/pkg/etw/eventdescriptor.go

@@ -0,0 +1,67 @@
+package etw
+
+// Channel represents the ETW logging channel that is used. It can be used by
+// event consumers to give an event special treatment.
+type Channel uint8
+
+const (
+	// ChannelTraceLogging is the default channel for TraceLogging events. It is
+	// not required to be used for TraceLogging, but will prevent decoding
+	// issues for these events on older operating systems.
+	ChannelTraceLogging Channel = 11
+)
+
+// Level represents the ETW logging level. There are several predefined levels
+// that are commonly used, but technically anything from 0-255 is allowed.
+// Lower levels indicate more important events, and 0 indicates an event that
+// will always be collected.
+type Level uint8
+
+// Predefined ETW log levels.
+const (
+	LevelAlways Level = iota
+	LevelCritical
+	LevelError
+	LevelWarning
+	LevelInfo
+	LevelVerbose
+)
+
+// EventDescriptor represents various metadata for an ETW event.
+type eventDescriptor struct {
+	id      uint16
+	version uint8
+	channel Channel
+	level   Level
+	opcode  uint8
+	task    uint16
+	keyword uint64
+}
+
+// NewEventDescriptor returns an EventDescriptor initialized for use with
+// TraceLogging.
+func newEventDescriptor() *eventDescriptor {
+	// Standard TraceLogging events default to the TraceLogging channel, and
+	// verbose level.
+	return &eventDescriptor{
+		channel: ChannelTraceLogging,
+		level:   LevelVerbose,
+	}
+}
+
+// Identity returns the identity of the event. If the identity is not 0, it
+// should uniquely identify the other event metadata (contained in
+// EventDescriptor, and field metadata). Only the lower 24 bits of this value
+// are relevant.
+func (ed *eventDescriptor) identity() uint32 {
+	return (uint32(ed.version) << 16) | uint32(ed.id)
+}
+
+// SetIdentity sets the identity of the event. If the identity is not 0, it
+// should uniquely identify the other event metadata (contained in
+// EventDescriptor, and field metadata). Only the lower 24 bits of this value
+// are relevant.
+func (ed *eventDescriptor) setIdentity(identity uint32) {
+	ed.id = uint16(identity)
+	ed.version = uint8(identity >> 16)
+}