Merge branch 'wip/dl-for-next' into for-next

Due to concurrent work by myself and Jason, a normal fast forward merge
was not possible.  This brings in a number of hfi1 changes, mainly the
hfi1 TID RDMA support (roughly 10,000 LOC change), which was reviewed
and integrated over a period of days.

Signed-off-by: Doug Ledford <dledford@redhat.com>

1 files changed, 18 insertions, 4 deletions

diff --git a/include/rdma/rdma_vt.h b/include/rdma/rdma_vt.h
index acb3bc96dfa7..87d66c9630d7 100644
--- a/include/rdma/rdma_vt.h
+++ b/include/rdma/rdma_vt.h
@@ -182,6 +182,7 @@ struct rvt_driver_params {
 	u32 max_mad_size;
 	u8 qos_shift;
 	u8 max_rdma_atomic;
+	u8 extra_rdma_atomic;
 	u8 reserved_operations;
 };
 
@@ -519,7 +520,14 @@ static inline unsigned rvt_get_npkeys(struct rvt_dev_info *rdi)
  */
 static inline unsigned int rvt_max_atomic(struct rvt_dev_info *rdi)
 {
-	return rdi->dparms.max_rdma_atomic + 1;
+	return rdi->dparms.max_rdma_atomic +
+		rdi->dparms.extra_rdma_atomic + 1;
+}
+
+static inline unsigned int rvt_size_atomic(struct rvt_dev_info *rdi)
+{
+	return rdi->dparms.max_rdma_atomic +
+		rdi->dparms.extra_rdma_atomic;
 }
 
 /*
@@ -566,9 +574,10 @@ static inline struct rvt_qp *rvt_lookup_qpn(struct rvt_dev_info *rdi,
 /**
  * rvt_mod_retry_timer - mod a retry timer
  * @qp - the QP
+ * @shift - timeout shift to wait for multiple packets
  * Modify a potentially already running retry timer
  */
-static inline void rvt_mod_retry_timer(struct rvt_qp *qp)
+static inline void rvt_mod_retry_timer_ext(struct rvt_qp *qp, u8 shift)
 {
 	struct ib_qp *ibqp = &qp->ibqp;
 	struct rvt_dev_info *rdi = ib_to_rvt(ibqp->device);
@@ -576,8 +585,13 @@ static inline void rvt_mod_retry_timer(struct rvt_qp *qp)
 	lockdep_assert_held(&qp->s_lock);
 	qp->s_flags |= RVT_S_TIMER;
 	/* 4.096 usec. * (1 << qp->timeout) */
-	mod_timer(&qp->s_timer, jiffies + qp->timeout_jiffies +
-		  rdi->busy_jiffies);
+	mod_timer(&qp->s_timer, jiffies + rdi->busy_jiffies +
+		  (qp->timeout_jiffies << shift));
+}
+
+static inline void rvt_mod_retry_timer(struct rvt_qp *qp)
+{
+	return rvt_mod_retry_timer_ext(qp, 0);
 }
 
 struct rvt_dev_info *rvt_alloc_device(size_t size, int nports);