Definitions in cdev.h

#include <qvm/cdev.h>

#define CDEV_INPUT_AVAILABLE_PULSE_CODE 0

The device has input available

#define CDEV_OUTPUT_AVAILABLE_PULSE_CODE 1

The device is available for output

#define CDEV_NUM_PULSE_CODES 2

The number of the next pulse code you can use for your character vdev. For example, MY_EXTRA_PULSE (CDEV_NUM_PULSE_CODES).

#define CDEV_OPT_HOSTDEV_IDX ((vdev_ctrl_options_t)0U)

Index of the hostdev option in the CDEV_OPTIONS options array

#define CDEV_OPT_DELAYED_IDX ((vdev_ctrl_options_t)1U)

Index of the delayed option in the CDEV_OPTIONS options array

#define CDEV_OPT_BATCH_IDX ((vdev_ctrl_options_t)2U)

Index of the batch option in the CDEV_OPTIONS options array

#define CDEV_OPT_NUM_OPTS ((vdev_ctrl_options_t)3U)

Number of startup options for virtual character devices

#define CDEV_OPTIONS    \
    [CDEV_OPT_HOSTDEV_IDX] = "hostdev", \
    [CDEV_OPT_DELAYED_IDX] = "delayed", \
    [CDEV_OPT_BATCH_IDX] = "batch"

Macro for combining options to be used as the first entries in a character device's startup options array