diff options
| author | Kaike Wan <kaike.wan@intel.com> | 2019-01-23 21:48:59 -0800 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2019-02-05 18:07:43 -0500 |
| commit | 07b923701e38f93b4725e64318e6483f890c1c1d (patch) | |
| tree | 5dc4778f9d08891a2e95ed4f1bb545a9c1ee6934 /drivers/infiniband/hw/hfi1/verbs.h | |
| parent | 4f9264d156dc6c154a8a6cfae780730bad45c6f8 (diff) | |
| download | linux-07b923701e38f93b4725e64318e6483f890c1c1d.tar.bz2 | |
IB/hfi1: Add functions to receive TID RDMA WRITE request
This patch adds the functions to receive TID RDMA WRITE request. The
request will be stored in the QP's s_ack_queue. This patch also adds
code to handle duplicate TID RDMA WRITE request and a function to
allocate TID resources for data receiving on the responder side.
Signed-off-by: Mitko Haralanov <mitko.haralanov@intel.com>
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Ashutosh Dixit <ashutosh.dixit@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.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/hfi1/verbs.h b/drivers/infiniband/hw/hfi1/verbs.h index 841727a684d5..9ced8a4a7b76 100644 --- a/drivers/infiniband/hw/hfi1/verbs.h +++ b/drivers/infiniband/hw/hfi1/verbs.h @@ -172,7 +172,15 @@ struct hfi1_qp_priv { unsigned long tid_timer_timeout_jiffies; /* variables for the TID RDMA SE state machine */ + u8 rnr_nak_state; /* RNR NAK state */ u32 s_flags; + u32 r_tid_head; /* Most recently added TID RDMA request */ + u32 r_tid_tail; /* the last completed TID RDMA request */ + 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 alloc_w_segs; /* Number of segments for which write */ + /* resources have been allocated for this QP */ /* For TID RDMA READ */ u32 tid_r_reqs; /* Num of tid reads requested */ @@ -180,8 +188,12 @@ struct hfi1_qp_priv { u32 pending_tid_r_segs; /* Num of pending tid read segments */ u16 pkts_ps; /* packets per segment */ u8 timeout_shift; /* account for number of packets per segment */ + + u8 sync_pt; /* Set when QP reaches sync point */ }; +#define HFI1_QP_WQE_INVALID ((u32)-1) + struct hfi1_swqe_priv { struct tid_rdma_request tid_req; struct rvt_sge_state ss; /* Used for TID RDMA READ Request */ |