1.\" $NetBSD: amdccp.4,v 1.1 2021/07/25 07:35:55 nia Exp $ 2.\" 3.\" Copyright (c) 2021 The NetBSD Foundation, Inc. 4.\" All rights reserved. 5.\" 6.\" Redistribution and use in source and binary forms, with or without 7.\" modification, are permitted provided that the following conditions 8.\" are met: 9.\" 1. Redistributions of source code must retain the above copyright 10.\" notice, this list of conditions and the following disclaimer. 11.\" 2. Redistributions in binary form must reproduce the above copyright 12.\" notice, this list of conditions and the following disclaimer in the 13.\" documentation and/or other materials provided with the distribution. 14.\" 15.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 16.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 17.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 18.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 19.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 20.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 21.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 22.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 23.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 24.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 25.\" POSSIBILITY OF SUCH DAMAGE. 26.\" 27.Dd July 25, 2021 28.Dt AMDCCP 4 29.Os 30.Sh NAME 31.Nm amdccp 32.Nd AMD Cryptographic Coprocessor device driver 33.Sh SYNOPSIS 34.Cd "amdccp* at pci?" 35.Sh DESCRIPTION 36The 37.Nm 38driver provides support for cryptographic coprocessors found on 39certain AMD CPUs. 40The coprocessor supports hardware offloading for common cryptographic 41algorithms and a True Random Number Generator (TRNG). 42.Pp 43Currently, this driver only supports providing additional entropy 44to the kernel's random number generator. 45.Sh SEE ALSO 46.Xr pci 4 , 47.Xr rnd 4 , 48.Xr entropy 7 , 49.Xr rnd 9 50.Sh HISTORY 51The 52.Nm 53device driver appeared in 54.Nx 9.0 . 55