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Diffstat (limited to 'drivers/infiniband/hw/hfi1/qp.h')
-rw-r--r--drivers/infiniband/hw/hfi1/qp.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/hfi1/qp.h b/drivers/infiniband/hw/hfi1/qp.h
index c06d2f8348e0..b2d4cba8d15b 100644
--- a/drivers/infiniband/hw/hfi1/qp.h
+++ b/drivers/infiniband/hw/hfi1/qp.h
@@ -51,12 +51,25 @@
#include <rdma/rdmavt_qp.h>
#include "verbs.h"
#include "sdma.h"
+#include "verbs_txreq.h"
extern unsigned int hfi1_qp_table_size;
extern const struct rvt_operation_params hfi1_post_parms[];
/*
+ * Send if not busy or waiting for I/O and either
+ * a RC response is pending or we can process send work requests.
+ */
+static inline int hfi1_send_ok(struct rvt_qp *qp)
+{
+ return !(qp->s_flags & (RVT_S_BUSY | RVT_S_ANY_WAIT_IO)) &&
+ (verbs_txreq_queued(qp) ||
+ (qp->s_flags & RVT_S_RESP_PENDING) ||
+ !(qp->s_flags & RVT_S_ANY_WAIT_SEND));
+}
+
+/*
* free_ahg - clear ahg from QP
*/
static inline void clear_ahg(struct rvt_qp *qp)