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QNX Hypervisor
The QNX Hypervisor allows you to run multiple OSs on a target system so you can separate critical and non-critical functions, support a wide variety of applications, and reduce hardware costs.
QNX Hypervisor for Safety Virtual Device Developer's API Reference
types.h
vdev API base types
guest_intr
Virtual interrupt information

QNX Momentics IDE User's Guide
This User's Guide describes version 7.1 of the Integrated Development Environment (IDE) that's part of the QNX Momentics tool suite.
QNX Software Development Platform
QNX SDP is a cross-compiling and debugging environment, including an IDE and command-line tools, for building binary images and programs for target boards running QNX Neutrino 7.1.
QNX Hypervisor
The QNX Hypervisor allows you to run multiple OSs on a target system so you can separate critical and non-critical functions, support a wide variety of applications, and reduce hardware costs.
- QNX Hypervisor for Safety User's Guide
- QNX Hypervisor for Safety Virtual Device Developer's Guide
- QNX Hypervisor for Safety Virtual Device Developer's API Reference
  - Function Safety
    This section provides an overview of the restrictions that may apply when using the functions in this API.
  - aarch64/vmid.h
    Definitions to access a guest's VMID (ARM)
  - abi.h
    Application binary interface (ABI) version of the vdev API
  - cdev.h
    Functions to create virtual character devices for guests
  - firmware.h
    Functions for working with the firmware components of the VM presented to the guest
  - gasp.h
    Functions for working in guest address spaces
  - guest.h
    Definitions for manipulating a guest system
  - hpci.h
    Host PCI interface for vdevs
  - hw_pci.h
    PCI support for vdevs
  - outpipe.h
    Definitions for the output pipe (outpipe)
  - types.h
    vdev API base types
    - Definitions in types.h
      Preprocessor macro definitions for the types.h header file
    - gasp_region
      Description of a guest resource
    - gasp_region_flags
      Flags for the guest address space API
    - guest_intr
      Virtual interrupt information
    - guest_intr_assign_type
      Interrupt types
    - guest_intr_notifications
      Bit fields for guest_intr_notify() and the vdev_pic_functions notify parameter
    - guest_intr_state
      Bit fields for guest_intr_signal() and the vdev_pic_functions signal parameter
    - guest_table_spec_component
      Table specification formats
    - qvm_sched_info
      Scheduling information for pulses and threads
    - qvm_state_block
      Base structure to describe a data element (typically in the guest)
    - qvm_state_flags
      Possible values for flags in the structure describing a data element (typically in the guest)
    - qvm_state_types
      Possible types for an object describing a data element
    - vdev_t
      Data type for representing a structure with vdev information
  - utils.h
    Miscellaneous utility functions
  - vdev.h
    Source compatibility header file
  - vdev-core.h
    Definitions for vdevs
  - vio.h
    Definitions for VIRTIO vdevs
  - vpci.h
    Definitions for virtual PCI devices
  - wdog.h
    Definitions to support virtual watchdog devices
  - x86_64/apic.h
    Definitions for the virtual APIC bus (x86)
- QNX Hypervisor User's Guide
QNX Software in the Cloud
QNX Software in the Cloud enables developers to use the QNX software in Amazon Web Services (AWS) and Microsoft Azure (Azure).
QNX Advanced Virtualization Frameworks User's Guide
This User's Guide is aimed at all systems integrators and developers who want to design and build embedded systems using the QNX Advanced Virtualization Frameworks.
Typographical Conventions, Support, and Licensing
This section describes the typographical conventions used throughout the documentation and explains how to obtain technical support.

guest_intr

Virtual interrupt information

Synopsis:

#include <qvm/types.h>

struct guest_intr {
    vdev_t* pic;
    unsigned param;
    unsigned src_id;
};

Data:

vdev_t* pic: A pointer to the PIC that should recieve the interrupt.
unsigned param: The pin number.
unsigned src_id: Source identification bit.

Page updated: March 12, 2026