IB/mthca: Factor out setting WQE data segment entries

[mv-sheeva.git] / drivers / infiniband / hw / mthca / mthca_wqe.h

diff --git a/drivers/infiniband/hw/mthca/mthca_wqe.h b/drivers/infiniband/hw/mthca/mthca_wqe.h
index e7d2c1e86199598a6762adcdc57d6a6858bcca77..f6a66fe78e486d38dfb6bd453c1d389de31263df 100644 (file)
--- a/drivers/infiniband/hw/mthca/mthca_wqe.h
+++ b/drivers/infiniband/hw/mthca/mthca_wqe.h
@@ -113,4 +113,19 @@ struct mthca_mlx_seg {
        __be16 vcrc;
 };
 
+static __always_inline void mthca_set_data_seg(struct mthca_data_seg *dseg,
+                                              struct ib_sge *sg)
+{
+       dseg->byte_count = cpu_to_be32(sg->length);
+       dseg->lkey       = cpu_to_be32(sg->lkey);
+       dseg->addr       = cpu_to_be64(sg->addr);
+}
+
+static __always_inline void mthca_set_data_seg_inval(struct mthca_data_seg *dseg)
+{
+       dseg->byte_count = 0;
+       dseg->lkey       = cpu_to_be32(MTHCA_INVAL_LKEY);
+       dseg->addr       = 0;
+}
+
 #endif /* MTHCA_WQE_H */