MPI3MR_IOCTL_LOGDATA_MAX_ENTRIES
((++index) % MPI3MR_IOCTL_LOGDATA_MAX_ENTRIES);
if (num_entries > MPI3MR_IOCTL_LOGDATA_MAX_ENTRIES)
num_entries = MPI3MR_IOCTL_LOGDATA_MAX_ENTRIES;
sc->log_data_buffer = malloc((MPI3MR_IOCTL_LOGDATA_MAX_ENTRIES * sc->log_data_entry_size),
logdata_enable.max_entries = MPI3MR_IOCTL_LOGDATA_MAX_ENTRIES;