vdev virtio-entropy

Synopsis:

vdev virtio-entropy options

Options:

delayed num|forever

Delay opening /dev/random until the guest's first request.

If /dev/random isn't available, either wait for up to the number of seconds specified by num before timing out or, if forever is specified, never time out.

intr intr

Signal intr for device interrupts. Not required when the vdev appears as a PCI device.

loc addr

Set the base address of the device registers to addr. If this option isn't specified, the vdev appears as a PCI device.

For a list of options available to all vdevs, see “Common vdev options” at the beginning of this chapter.

Description:

ARM and x86. The virtio-entropy vdev provides a guest with access to a source for random numbers (entropy) at /dev/random.

For a Linux guest, you must enable the guest's virtio-rng Linux kernel module.