ibv_req_notify_cq - request completion notification on a completion queue (CQ)
#include <infiniband/verbs.h>int ibv_req_notify_cq(struct ibv_cq *cq, int solicited_only);
requests a completion notification on the completion queue (CQ)
Upon the addition of a new CQ entry (CQE) to
a completion event will be added to the completion channel associated
with the CQ.
If the argument
is zero, a completion event is generated for any new CQE. If
is non-zero, an event is only generated for a new CQE with that is
considered "solicited." A CQE is solicited if it is a receive
completion for a message with the Solicited Event header bit set, or
if the status is not successful. All other successful receive
completions, or any successful send completion is unsolicited.
returns 0 on success, or the value of errno on failure (which indicates the failure reason).
The request for notification is "one shot." Only one completion event
will be generated for each call to