+static inline void ipath_write_creg(const struct ipath_devdata *dd,
+ ipath_creg regno, u64 value)
+{
+ if (dd->ipath_kregbase)
+ writeq(value, regno + (u64 __iomem *)
+ (dd->ipath_cregbase +
+ (char __iomem *)dd->ipath_kregbase));
+}
+
+static inline void ipath_clear_rcvhdrtail(const struct ipath_portdata *pd)
+{
+ *((u64 *) pd->port_rcvhdrtail_kvaddr) = 0ULL;
+}
+
+static inline u32 ipath_get_rcvhdrtail(const struct ipath_portdata *pd)
+{
+ return (u32) le64_to_cpu(*((volatile __le64 *)
+ pd->port_rcvhdrtail_kvaddr));
+}
+
+static inline u64 ipath_read_ireg(const struct ipath_devdata *dd, ipath_kreg r)
+{
+ return (dd->ipath_flags & IPATH_INTREG_64) ?
+ ipath_read_kreg64(dd, r) : ipath_read_kreg32(dd, r);
+}
+