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authorKaike Wan <kaike.wan@intel.com>2019-01-23 21:51:39 -0800
committerDoug Ledford <dledford@redhat.com>2019-02-05 18:07:44 -0500
commit3c6cb20a0d17d7a75778fb0935d6fa427c8177af (patch)
tree2060978934869f320b1f1951e80e3cde2164c156 /drivers/infiniband/hw/hfi1/verbs.h
parentIB/hfi1: Add the dual leg code (diff)
downloadlinux-dev-3c6cb20a0d17d7a75778fb0935d6fa427c8177af.tar.xz
linux-dev-3c6cb20a0d17d7a75778fb0935d6fa427c8177af.zip
IB/hfi1: Add TID RDMA WRITE functionality into RDMA verbs
This patch integrates TID RDMA WRITE protocol into normal RDMA verbs framework. The TID RDMA WRITE protocol is an end-to-end protocol between the hfi1 drivers on two OPA nodes that converts a qualified RDMA WRITE request into a TID RDMA WRITE request to avoid data copying on the responder side. Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com> Signed-off-by: Mitko Haralanov <mitko.haralanov@intel.com> Signed-off-by: Kaike Wan <kaike.wan@intel.com> Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband/hw/hfi1/verbs.h')
-rw-r--r--drivers/infiniband/hw/hfi1/verbs.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/hfi1/verbs.h b/drivers/infiniband/hw/hfi1/verbs.h
index bee3d21a548e..62ace0b2d17a 100644
--- a/drivers/infiniband/hw/hfi1/verbs.h
+++ b/drivers/infiniband/hw/hfi1/verbs.h
@@ -193,6 +193,7 @@ struct hfi1_qp_priv {
u32 r_tid_ack; /* the TID RDMA request to be ACK'ed */
u32 r_tid_alloc; /* Request for which we are allocating resources */
u32 pending_tid_w_segs; /* Num of pending tid write segments */
+ u32 pending_tid_w_resp; /* Num of pending tid write responses */
u32 alloc_w_segs; /* Number of segments for which write */
/* resources have been allocated for this QP */