Merge branch 'for-linus' of master.kernel.org:/pub/scm/linux/kernel/git/roland/infiniband

[firefly-linux-kernel-4.4.55.git] / drivers / infiniband / hw / ehca / ipz_pt_fn.h

diff --git a/drivers/infiniband/hw/ehca/ipz_pt_fn.h b/drivers/infiniband/hw/ehca/ipz_pt_fn.h
index 8199c45768a321a9c89d54f18d0d03c759a5a7e0..57f141a36bceb2c6a5579ab4548f9d2c1cae3b2e 100644 (file)
--- a/drivers/infiniband/hw/ehca/ipz_pt_fn.h
+++ b/drivers/infiniband/hw/ehca/ipz_pt_fn.h
@@ -140,6 +140,14 @@ static inline void *ipz_qeit_get_inc_valid(struct ipz_queue *queue)
        return cqe;
 }
 
+static inline int ipz_qeit_is_valid(struct ipz_queue *queue)
+{
+       struct ehca_cqe *cqe = ipz_qeit_get(queue);
+       u32 cqe_flags = cqe->cqe_flags;
+
+       return cqe_flags >> 7 == (queue->toggle_state & 1);
+}
+
 /*
  * returns and resets Queue Entry iterator
  * returns address (kv) of first Queue Entry