vio_description

Information describing the VirtIO device to be created

Synopsis:

#include <qvm/vio.h>

struct vio_description {
    uint16_t device_type;
    uint16_t vendor_id;
    unsigned pci_class;
    unsigned num_queues;
    unsigned device_config_size;
    uint32_t device_features[VIO_MAX_FEATURE_WORDS];
} ;

Data:

uint16_t device_type: The type of device: VIRTIO_DT_* (see libhyp/virtio.h).
uint16_t vendor_id: Sub-system vendor ID; default is BlackBerry QNX vendor ID (0x1C05).
unsigned pci_class: When using PCI transport, the class and subclass value for the device (see qvm/hw_pci.h).
unsigned num_queues: The maximum number of virtqueues for the device.
unsigned device_config_size: The number of bytes of device-specific configuration data.
uint32_t device_features[VIO_MAX_FEATURE_WORDS]: The device feature bits to be presented to the driver.

Library:

Provided by qvm; no external library is required.