ACPIHVE(4) Device Drivers Manual ACPIHVE(4)

acpihve — Hyper-V entropy

acpihve* at acpi?

Hyper-V hosts make entropy available to guests in the OEM0 ACPI table. The acpihve driver feeds this entropy into the kernel's entropy pool.

acpi(4), enqueue_randomness(9)

The acpihve driver first appeared in OpenBSD 6.1.

OpenBSD 7.8 April 28, 2018 ACPIHVE(4)