Index: uspace/drv/bus/usb/xhci/hw_struct/context.h
===================================================================
--- uspace/drv/bus/usb/xhci/hw_struct/context.h	(revision a501aabae1dfb763d6d5e29185f9cb9127dab05f)
+++ uspace/drv/bus/usb/xhci/hw_struct/context.h	(revision 8b8c164397f69eeebe6f33b2ef55e23bfa483828)
@@ -80,4 +80,6 @@
 #define XHCI_EP_MAX_P_STREAMS_SET(ctx, val) \
 	xhci_dword_set_bits(&(ctx).data[0], val, 14, 10)
+#define XHCI_EP_LSA_SET(ctx, val) \
+	xhci_dword_set_bits(&(ctx).data[0], val, 15, 15)
 #define XHCI_EP_MULT_SET(ctx, val) \
 	xhci_dword_set_bits(&(ctx).data[0], val, 9, 8)
@@ -164,4 +166,7 @@
 #define XHCI_STREAM_DEQ_PTR(ctx)   XHCI_QWORD_EXTRACT((ctx).data[0], 63, 4)
 #define XHCI_STREAM_EDTLA(ctx)     XHCI_QWORD_EXTRACT((ctx).data[1], 24, 0)
+
+#define XHCI_STREAM_SCT_SET(ctx, val) \
+	xhci_qword_set_bits(&(ctx).data[0], val, 3, 1)
 } __attribute__((packed)) xhci_stream_ctx_t;