diff options
Diffstat (limited to 'include/rdma/rdmavt_qp.h')
| -rw-r--r-- | include/rdma/rdmavt_qp.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/rdma/rdmavt_qp.h b/include/rdma/rdmavt_qp.h index ee55fd04f6da..de5915b244be 100644 --- a/include/rdma/rdmavt_qp.h +++ b/include/rdma/rdmavt_qp.h @@ -180,7 +180,9 @@ struct rvt_swqe { /** * struct rvt_krwq - kernel struct receive work request + * @p_lock: lock to protect producer of the kernel buffer * @head: index of next entry to fill + * @c_lock:lock to protect consumer of the kernel buffer * @tail: index of next entry to pull * @count: count is aproximate of total receive enteries posted * @rvt_rwqe: struct of receive work request queue entry @@ -190,8 +192,13 @@ struct rvt_swqe { * mode user. */ struct rvt_krwq { + spinlock_t p_lock; /* protect producer */ u32 head; /* new work requests posted to the head */ + + /* protect consumer */ + spinlock_t c_lock ____cacheline_aligned_in_smp; u32 tail; /* receives pull requests from here. */ + u32 count; /* approx count of receive entries posted */ struct rvt_rwqe *curr_wq; struct rvt_rwqe wq[]; }; |