diff options
Diffstat (limited to 'drivers/infiniband/core/cm.c')
| -rw-r--r-- | drivers/infiniband/core/cm.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c index 1f9938a2c475..603c0aecc361 100644 --- a/drivers/infiniband/core/cm.c +++ b/drivers/infiniband/core/cm.c @@ -4094,9 +4094,18 @@ static int cm_init_qp_init_attr(struct cm_id_private *cm_id_priv, *qp_attr_mask = IB_QP_STATE | IB_QP_ACCESS_FLAGS | IB_QP_PKEY_INDEX | IB_QP_PORT; qp_attr->qp_access_flags = IB_ACCESS_REMOTE_WRITE; - if (cm_id_priv->responder_resources) + if (cm_id_priv->responder_resources) { + struct ib_device *ib_dev = cm_id_priv->id.device; + u64 support_flush = ib_dev->attrs.device_cap_flags & + (IB_DEVICE_FLUSH_GLOBAL | IB_DEVICE_FLUSH_PERSISTENT); + u32 flushable = support_flush ? + (IB_ACCESS_FLUSH_GLOBAL | + IB_ACCESS_FLUSH_PERSISTENT) : 0; + qp_attr->qp_access_flags |= IB_ACCESS_REMOTE_READ | - IB_ACCESS_REMOTE_ATOMIC; + IB_ACCESS_REMOTE_ATOMIC | + flushable; + } qp_attr->pkey_index = cm_id_priv->av.pkey_index; if (cm_id_priv->av.port) qp_attr->port_num = cm_id_priv->av.port->port_num; |