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STRUCT IIO_BUFFER(9) Industrial I/O core STRUCT IIO_BUFFER(9)

NAME

struct_iio_buffer - general buffer structure

SYNOPSIS

struct iio_buffer {
  int length;
  int bytes_per_datum;
  struct attribute_group * scan_el_attrs;
  long * scan_mask;
  bool scan_timestamp;
  const struct iio_buffer_access_funcs * access;
  struct list_head scan_el_dev_attr_list;
  struct attribute_group buffer_group;
  struct attribute_group scan_el_group;
  wait_queue_head_t pollq;
  bool stufftoread;
  const struct attribute ** attrs;
  struct list_head demux_list;
  void * demux_bounce;
  struct list_head buffer_list;
  struct kref ref;
  unsigned int watermark;
};

MEMBERS

length
[DEVICE] number of datums in buffer
bytes_per_datum
[DEVICE] size of individual datum including timestamp
scan_el_attrs
[DRIVER] control of scan elements if that scan mode control method is used
scan_mask
[INTERN] bitmask used in masking scan mode elements
scan_timestamp
[INTERN] does the scan mode include a timestamp
access
[DRIVER] buffer access functions associated with the implementation.
scan_el_dev_attr_list
[INTERN] list of scan element related attributes.
buffer_group
[INTERN] attributes of the buffer group
scan_el_group
[DRIVER] attribute group for those attributes not created from the iio_chan_info array.
pollq
[INTERN] wait queue to allow for polling on the buffer.
stufftoread
[INTERN] flag to indicate new data.
attrs
[INTERN] standard attributes of the buffer
demux_list
[INTERN] list of operations required to demux the scan.
demux_bounce
[INTERN] buffer for doing gather from incoming scan.
buffer_list
[INTERN] entry in the devices list of current buffers.
ref
[INTERN] reference count of the buffer.
watermark
[INTERN] number of datums to wait for poll/read.

AUTHOR

Daniel Baluta <daniel.baluta@intel.com>
Author.

COPYRIGHT

January 2017 Kernel Hackers Manual 4.8.