[QNX hypervisor 2.2 user manual]6.3.3 using shared memory (shmem) virtual devices

shmem Virtual devices provide a relatively simple mechanism to Guest Shared memory area between , Or in Guest And Hypervisor Host Shared memory area between .

Complete the configuration information of the virtual device , You can refer to “Virtual Device Reference” Of vdev shmem.

One 、shmem Virtual device driver

For running in Guest or Hypervisor Host For client applications in ,shmem A virtual device is a device with a mapping register set , And the device has the ability to cause interruption .

Two 、 Access a shared memory factory page

3、 ... and 、 Create or connect to a shared memory area