xref: /freebsd/sys/opencrypto/cryptodev_if.m (revision 190cef3d) 
1#-
2# Copyright (c) 2006, Sam Leffler
3# All rights reserved.
4#
5# Redistribution and use in source and binary forms, with or without
6# modification, are permitted provided that the following conditions
7# are met:
8# 1. Redistributions of source code must retain the above copyright
9#    notice, this list of conditions and the following disclaimer.
10# 2. Redistributions in binary form must reproduce the above copyright
11#    notice, this list of conditions and the following disclaimer in the
12#    documentation and/or other materials provided with the distribution.
13#
14# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24# SUCH DAMAGE.
25#
26# $FreeBSD$
27#
28
29#include <sys/malloc.h>
30#include <opencrypto/cryptodev.h>
31
32INTERFACE cryptodev;
33
34CODE {
35	static int null_freesession(device_t dev,
36	    crypto_session_t crypto_session)
37	{
38		return 0;
39	}
40};
41
42/**
43 * Crypto driver method to initialize a new session object with the given
44 * initialization parameters (cryptoini).  The driver's session memory object
45 * is already allocated and zeroed, like driver softcs.  It is accessed with
46 * crypto_get_driver_session().
47 */
48METHOD int newsession {
49	device_t	dev;
50	crypto_session_t crypto_session;
51	struct cryptoini *cri;
52};
53
54/**
55 * Optional crypto driver method to release any additional allocations.  OCF
56 * owns session memory itself; it is zeroed before release.
57 */
58METHOD void freesession {
59	device_t	dev;
60	crypto_session_t crypto_session;
61} DEFAULT null_freesession;
62
63METHOD int process {
64	device_t	dev;
65	struct cryptop	*op;
66	int		flags;
67};
68
69METHOD int kprocess {
70	device_t	dev;
71	struct cryptkop	*op;
72	int		flags;
73};
74