AMDCCP(4) Device Drivers Manual AMDCCP(4)

amdccp
AMD Cryptographic Coprocessor device driver

amdccp* at pci?

The amdccp driver provides support for cryptographic coprocessors found on certain AMD CPUs. The coprocessor supports hardware offloading for common cryptographic algorithms and a True Random Number Generator (TRNG).

Currently, this driver only supports providing additional entropy to the kernel's random number generator.

pci(4), rnd(4), entropy(7), rnd(9)

The amdccp device driver appeared in NetBSD 9.0.
July 25, 2021 NetBSD 9.4