syntax = "proto2";

message GPSPM_flush_request {
    /* an offset of a region to be flushed within its memory registration */
    required fixed64 offset = 1;
    /* a length of a region to be flushed */
    required fixed64 length = 2;
    /* a user-defined operation context */
    required fixed64 op_context = 3;
}

message GPSPM_flush_response {
    /* the operation context of a completed request */
    required fixed64 op_context = 1;
}