2 * Header file for multi buffer SHA1 algorithm manager
4 * This file is provided under a dual BSD/GPLv2 license. When using or
5 * redistributing this file, you may do so under either license.
9 * Copyright(c) 2014 Intel Corporation.
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of version 2 of the GNU General Public License as
13 * published by the Free Software Foundation.
15 * This program is distributed in the hope that it will be useful, but
16 * WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * General Public License for more details.
20 * Contact Information:
21 * James Guilford <james.guilford@intel.com>
22 * Tim Chen <tim.c.chen@linux.intel.com>
26 * Copyright(c) 2014 Intel Corporation.
28 * Redistribution and use in source and binary forms, with or without
29 * modification, are permitted provided that the following conditions
32 * * Redistributions of source code must retain the above copyright
33 * notice, this list of conditions and the following disclaimer.
34 * * Redistributions in binary form must reproduce the above copyright
35 * notice, this list of conditions and the following disclaimer in
36 * the documentation and/or other materials provided with the
38 * * Neither the name of Intel Corporation nor the names of its
39 * contributors may be used to endorse or promote products derived
40 * from this software without specific prior written permission.
42 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
43 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
44 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
45 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
46 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
47 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
48 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
49 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
50 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
51 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
52 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
54 #ifndef __SHA_MB_MGR_H
55 #define __SHA_MB_MGR_H
58 #include <linux/types.h>
60 #define NUM_SHA1_DIGEST_WORDS 5
62 enum job_sts
{ STS_UNKNOWN
= 0,
63 STS_BEING_PROCESSED
= 1,
65 STS_INTERNAL_ERROR
= 3,
72 u32 result_digest
[NUM_SHA1_DIGEST_WORDS
] __aligned(32);
77 /* SHA1 out-of-order scheduler */
79 /* typedef uint32_t sha1_digest_array[5][8]; */
82 uint32_t digest
[5][8];
86 struct sha1_lane_data
{
87 struct job_sha1
*job_in_lane
;
91 struct sha1_args_x8 args
;
95 /* each byte is index (0...7) of unused lanes */
96 uint64_t unused_lanes
;
97 /* byte 4 is set to FF as a flag */
98 struct sha1_lane_data ldata
[8];
102 #define SHA1_MB_MGR_NUM_LANES_AVX2 8
104 void sha1_mb_mgr_init_avx2(struct sha1_mb_mgr
*state
);
105 struct job_sha1
*sha1_mb_mgr_submit_avx2(struct sha1_mb_mgr
*state
,
106 struct job_sha1
*job
);
107 struct job_sha1
*sha1_mb_mgr_flush_avx2(struct sha1_mb_mgr
*state
);
108 struct job_sha1
*sha1_mb_mgr_get_comp_job_avx2(struct sha1_mb_mgr
*state
);