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-rw-r--r--drivers/infiniband/hw/mthca/mthca_qp.c27
1 files changed, 12 insertions, 15 deletions
diff --git a/drivers/infiniband/hw/mthca/mthca_qp.c b/drivers/infiniband/hw/mthca/mthca_qp.c
index 760c418d5bc9..5899f0c765be 100644
--- a/drivers/infiniband/hw/mthca/mthca_qp.c
+++ b/drivers/infiniband/hw/mthca/mthca_qp.c
@@ -730,15 +730,16 @@ int mthca_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask)
730 } 730 }
731 731
732 if (attr_mask & IB_QP_ACCESS_FLAGS) { 732 if (attr_mask & IB_QP_ACCESS_FLAGS) {
733 qp_context->params2 |=
734 cpu_to_be32(attr->qp_access_flags & IB_ACCESS_REMOTE_WRITE ?
735 MTHCA_QP_BIT_RWE : 0);
736
733 /* 737 /*
734 * Only enable RDMA/atomics if we have responder 738 * Only enable RDMA reads and atomics if we have
735 * resources set to a non-zero value. 739 * responder resources set to a non-zero value.
736 */ 740 */
737 if (qp->resp_depth) { 741 if (qp->resp_depth) {
738 qp_context->params2 |= 742 qp_context->params2 |=
739 cpu_to_be32(attr->qp_access_flags & IB_ACCESS_REMOTE_WRITE ?
740 MTHCA_QP_BIT_RWE : 0);
741 qp_context->params2 |=
742 cpu_to_be32(attr->qp_access_flags & IB_ACCESS_REMOTE_READ ? 743 cpu_to_be32(attr->qp_access_flags & IB_ACCESS_REMOTE_READ ?
743 MTHCA_QP_BIT_RRE : 0); 744 MTHCA_QP_BIT_RRE : 0);
744 qp_context->params2 |= 745 qp_context->params2 |=
@@ -759,31 +760,27 @@ int mthca_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, int attr_mask)
759 if (qp->resp_depth && !attr->max_dest_rd_atomic) { 760 if (qp->resp_depth && !attr->max_dest_rd_atomic) {
760 /* 761 /*
761 * Lowering our responder resources to zero. 762 * Lowering our responder resources to zero.
762 * Turn off RDMA/atomics as responder. 763 * Turn off reads RDMA and atomics as responder.
763 * (RWE/RRE/RAE in params2 already zero) 764 * (RRE/RAE in params2 already zero)
764 */ 765 */
765 qp_param->opt_param_mask |= cpu_to_be32(MTHCA_QP_OPTPAR_RWE | 766 qp_param->opt_param_mask |= cpu_to_be32(MTHCA_QP_OPTPAR_RRE |
766 MTHCA_QP_OPTPAR_RRE |
767 MTHCA_QP_OPTPAR_RAE); 767 MTHCA_QP_OPTPAR_RAE);
768 } 768 }
769 769
770 if (!qp->resp_depth && attr->max_dest_rd_atomic) { 770 if (!qp->resp_depth && attr->max_dest_rd_atomic) {
771 /* 771 /*
772 * Increasing our responder resources from 772 * Increasing our responder resources from
773 * zero. Turn on RDMA/atomics as appropriate. 773 * zero. Turn on RDMA reads and atomics as
774 * appropriate.
774 */ 775 */
775 qp_context->params2 |= 776 qp_context->params2 |=
776 cpu_to_be32(qp->atomic_rd_en & IB_ACCESS_REMOTE_WRITE ?
777 MTHCA_QP_BIT_RWE : 0);
778 qp_context->params2 |=
779 cpu_to_be32(qp->atomic_rd_en & IB_ACCESS_REMOTE_READ ? 777 cpu_to_be32(qp->atomic_rd_en & IB_ACCESS_REMOTE_READ ?
780 MTHCA_QP_BIT_RRE : 0); 778 MTHCA_QP_BIT_RRE : 0);
781 qp_context->params2 |= 779 qp_context->params2 |=
782 cpu_to_be32(qp->atomic_rd_en & IB_ACCESS_REMOTE_ATOMIC ? 780 cpu_to_be32(qp->atomic_rd_en & IB_ACCESS_REMOTE_ATOMIC ?
783 MTHCA_QP_BIT_RAE : 0); 781 MTHCA_QP_BIT_RAE : 0);
784 782
785 qp_param->opt_param_mask |= cpu_to_be32(MTHCA_QP_OPTPAR_RWE | 783 qp_param->opt_param_mask |= cpu_to_be32(MTHCA_QP_OPTPAR_RRE |
786 MTHCA_QP_OPTPAR_RRE |
787 MTHCA_QP_OPTPAR_RAE); 784 MTHCA_QP_OPTPAR_RAE);
788 } 785 }
789 786