+#define DTRACE_LLQUANTIZE_FACTORSHIFT 48
+#define DTRACE_LLQUANTIZE_FACTORMASK ((uint64_t)UINT16_MAX << 48)
+#define DTRACE_LLQUANTIZE_LOWSHIFT 32
+#define DTRACE_LLQUANTIZE_LOWMASK ((uint64_t)UINT16_MAX << 32)
+#define DTRACE_LLQUANTIZE_HIGHSHIFT 16
+#define DTRACE_LLQUANTIZE_HIGHMASK ((uint64_t)UINT16_MAX << 16)
+#define DTRACE_LLQUANTIZE_NSTEPSHIFT 0
+#define DTRACE_LLQUANTIZE_NSTEPMASK UINT16_MAX
+
+#define DTRACE_LLQUANTIZE_FACTOR(x) \
+ (uint16_t)(((x) & DTRACE_LLQUANTIZE_FACTORMASK) >> \
+ DTRACE_LLQUANTIZE_FACTORSHIFT)
+
+#define DTRACE_LLQUANTIZE_LOW(x) \
+ (uint16_t)(((x) & DTRACE_LLQUANTIZE_LOWMASK) >> \
+ DTRACE_LLQUANTIZE_LOWSHIFT)
+
+#define DTRACE_LLQUANTIZE_HIGH(x) \
+ (uint16_t)(((x) & DTRACE_LLQUANTIZE_HIGHMASK) >> \
+ DTRACE_LLQUANTIZE_HIGHSHIFT)
+
+#define DTRACE_LLQUANTIZE_NSTEPS(x) \
+ (uint16_t)(((x) & DTRACE_LLQUANTIZE_NSTEPMASK) >> \
+ DTRACE_LLQUANTIZE_NSTEPSHIFT)
+