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Revision 1.4, Tue Apr 23 20:23:36 2019 UTC (5 years, 1 month ago) by jmc
Branch: MAIN
CVS Tags: OPENBSD_7_5_BASE, OPENBSD_7_5, OPENBSD_7_4_BASE, OPENBSD_7_4, OPENBSD_7_3_BASE, OPENBSD_7_3, OPENBSD_7_2_BASE, OPENBSD_7_2, OPENBSD_7_1_BASE, OPENBSD_7_1, OPENBSD_7_0_BASE, OPENBSD_7_0, OPENBSD_6_9_BASE, OPENBSD_6_9, OPENBSD_6_8_BASE, OPENBSD_6_8, OPENBSD_6_7_BASE, OPENBSD_6_7, OPENBSD_6_6_BASE, OPENBSD_6_6, HEAD
Changes since 1.3: +4 -4 lines 

add ccp to acpi, and scale back the caps;

.\"     $OpenBSD: ccp.4,v 1.4 2019/04/23 20:23:36 jmc Exp $
.\"
.\" Copyright (c) 2018 David Gwynne <dlg@openbsd.org>
.\"
.\" Permission to use, copy, modify, and distribute this software for any
.\" purpose with or without fee is hereby granted, provided that the above
.\" copyright notice and this permission notice appear in all copies.
.\"
.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
.\"
.Dd $Mdocdate: April 23 2019 $
.Dt CCP 4
.Os
.Sh NAME
.Nm ccp
.Nd AMD cryptographic co-processor
.Sh SYNOPSIS
.Cd "ccp* at acpi?"
.Cd "ccp* at fdt?"
.Cd "ccp* at pci?"
.Sh DESCRIPTION
AMD cryptographic co-processor devices provide offload for various
cryptographic algorithms, offload of zlib compression and decompression,
and a random number generator.
.Pp
The
.Nm
driver supports feeding output of the random number generator into
the kernel entropy pool.
.Sh SEE ALSO
.Xr intro 4 ,
.Xr random 4 ,
.Xr arc4random 9
.Sh HISTORY
The
.Nm
driver first appeared in
.Ox 6.4 .
.Sh AUTHORS
.An -nosplit
The
.Nm
driver was written by
.An David Gwynne Aq Mt dlg@openbsd.org .