+ /** The identifier (nid, pid) of the target. */
+ lnet_process_id_t target;
+ /** The identifier (nid, pid) of the initiator. */
+ lnet_process_id_t initiator;
+ /**
+ * The NID of the immediate sender. If the request has been forwarded
+ * by routers, this is the NID of the last hop; otherwise it's the
+ * same as the initiator.
+ */
+ lnet_nid_t sender;
+ /** Indicates the type of the event. */
+ lnet_event_kind_t type;
+ /** The portal table index specified in the request */
+ unsigned int pt_index;
+ /** A copy of the match bits specified in the request. */
+ __u64 match_bits;
+ /** The length (in bytes) specified in the request. */
+ unsigned int rlength;
+ /**
+ * The length (in bytes) of the data that was manipulated by the
+ * operation. For truncated operations, the manipulated length will be
+ * the number of bytes specified by the MD (possibly with an offset,
+ * see lnet_md_t). For all other operations, the manipulated length
+ * will be the length of the requested operation, i.e. rlength.
+ */
+ unsigned int mlength;
+ /**
+ * The handle to the MD associated with the event. The handle may be
+ * invalid if the MD has been unlinked.
+ */
+ lnet_handle_md_t md_handle;
+ /**
+ * A snapshot of the state of the MD immediately after the event has
+ * been processed. In particular, the threshold field in md will
+ * reflect the value of the threshold after the operation occurred.
+ */
+ lnet_md_t md;
+ /**
+ * 64 bits of out-of-band user data. Only valid for LNET_EVENT_PUT.
+ * \see LNetPut
+ */
+ __u64 hdr_data;
+ /**
+ * Indicates the completion status of the operation. It's 0 for
+ * successful operations, otherwise it's an error code.
+ */
+ int status;
+ /**
+ * Indicates whether the MD has been unlinked. Note that:
+ * - An event with unlinked set is the last event on the MD.
+ * - This field is also set for an explicit LNET_EVENT_UNLINK event.
+ * \see LNetMDUnlink
+ */
+ int unlinked;
+ /**
+ * The displacement (in bytes) into the memory region that the
+ * operation used. The offset can be determined by the operation for
+ * a remote managed MD or by the local MD.
+ * \see lnet_md_t::options
+ */
+ unsigned int offset;
+ /**
+ * The sequence number for this event. Sequence numbers are unique
+ * to each event.
+ */
+ volatile lnet_seq_t sequence;
+} lnet_event_t;