diff options
Diffstat (limited to 'drivers/infiniband/hw/hfi1/hfi.h')
| -rw-r--r-- | drivers/infiniband/hw/hfi1/hfi.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/hfi1/hfi.h b/drivers/infiniband/hw/hfi1/hfi.h index 9aa0357e17b7..78aa344c7403 100644 --- a/drivers/infiniband/hw/hfi1/hfi.h +++ b/drivers/infiniband/hw/hfi1/hfi.h @@ -198,6 +198,14 @@ struct exp_tid_set { }; typedef int (*rhf_rcv_function_ptr)(struct hfi1_packet *packet); + +struct tid_queue { + struct list_head queue_head; + /* queue head for QP TID resource waiters */ + u32 enqueue; /* count of tid enqueues */ + u32 dequeue; /* count of tid dequeues */ +}; + struct hfi1_ctxtdata { /* rcvhdrq base, needs mmap before useful */ void *rcvhdrq; @@ -291,6 +299,10 @@ struct hfi1_ctxtdata { /* PSM Specific fields */ /* lock protecting all Expected TID data */ struct mutex exp_mutex; + /* lock protecting all Expected TID data of kernel contexts */ + spinlock_t exp_lock; + /* Queue for QP's waiting for HW TID flows */ + struct tid_queue flow_queue; /* when waiting for rcv or pioavail */ wait_queue_head_t wait; /* uuid from PSM */ @@ -323,6 +335,9 @@ struct hfi1_ctxtdata { */ u8 subctxt_cnt; + /* Bit mask to track free TID RDMA HW flows */ + unsigned long flow_mask; + struct tid_flow_state flows[RXE_NUM_TID_FLOWS]; }; /** |