Here are the data structures with brief descriptions:

Cbladerf_backendinfo
Cbladerf_devinfo
Cbladerf_gain_cal_entry	Individual gain calibration entry. Each entry associates a frequency with a corresponding gain correction factor
Cbladerf_gain_cal_tbl	Gain calibration table. The table contains a series of entries, each associating a frequency with a gain correction factor. Entries are sorted by frequency, from start_freq to stop_freq
Cbladerf_gain_modes
Cbladerf_image
Cbladerf_lms_dc_cals
Cbladerf_loopback_modes
Cbladerf_metadata
Cbladerf_quick_tune
Cbladerf_range
Cbladerf_rational_rate
Cbladerf_rf_switch_config
Cbladerf_serial
Cbladerf_trigger
Cbladerf_version