Merge branch 'topic/livepatch' of git://git.kernel.org/pub/scm/linux/kernel/git/power...
[deliverable/linux.git] / arch / x86 / crypto / sha-mb / sha1_mb_mgr_datastruct.S
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1/*
2 * Header file for multi buffer SHA1 algorithm data structure
3 *
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.
6 *
7 * GPL LICENSE SUMMARY
8 *
9 * Copyright(c) 2014 Intel Corporation.
10 *
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.
14 *
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.
19 *
20 * Contact Information:
21 * James Guilford <james.guilford@intel.com>
22 * Tim Chen <tim.c.chen@linux.intel.com>
23 *
24 * BSD LICENSE
25 *
26 * Copyright(c) 2014 Intel Corporation.
27 *
28 * Redistribution and use in source and binary forms, with or without
29 * modification, are permitted provided that the following conditions
30 * are met:
31 *
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
37 * distribution.
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.
41 *
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.
53 */
54
55# Macros for defining data structures
56
57# Usage example
58
59#START_FIELDS # JOB_AES
60### name size align
61#FIELD _plaintext, 8, 8 # pointer to plaintext
62#FIELD _ciphertext, 8, 8 # pointer to ciphertext
63#FIELD _IV, 16, 8 # IV
64#FIELD _keys, 8, 8 # pointer to keys
65#FIELD _len, 4, 4 # length in bytes
66#FIELD _status, 4, 4 # status enumeration
67#FIELD _user_data, 8, 8 # pointer to user data
68#UNION _union, size1, align1, \
69# size2, align2, \
70# size3, align3, \
71# ...
72#END_FIELDS
73#%assign _JOB_AES_size _FIELD_OFFSET
74#%assign _JOB_AES_align _STRUCT_ALIGN
75
76#########################################################################
77
78# Alternate "struc-like" syntax:
79# STRUCT job_aes2
80# RES_Q .plaintext, 1
81# RES_Q .ciphertext, 1
82# RES_DQ .IV, 1
83# RES_B .nested, _JOB_AES_SIZE, _JOB_AES_ALIGN
84# RES_U .union, size1, align1, \
85# size2, align2, \
86# ...
87# ENDSTRUCT
88# # Following only needed if nesting
89# %assign job_aes2_size _FIELD_OFFSET
90# %assign job_aes2_align _STRUCT_ALIGN
91#
92# RES_* macros take a name, a count and an optional alignment.
93# The count in in terms of the base size of the macro, and the
94# default alignment is the base size.
95# The macros are:
96# Macro Base size
97# RES_B 1
98# RES_W 2
99# RES_D 4
100# RES_Q 8
101# RES_DQ 16
102# RES_Y 32
103# RES_Z 64
104#
105# RES_U defines a union. It's arguments are a name and two or more
106# pairs of "size, alignment"
107#
108# The two assigns are only needed if this structure is being nested
109# within another. Even if the assigns are not done, one can still use
110# STRUCT_NAME_size as the size of the structure.
111#
112# Note that for nesting, you still need to assign to STRUCT_NAME_size.
113#
114# The differences between this and using "struc" directly are that each
115# type is implicitly aligned to its natural length (although this can be
116# over-ridden with an explicit third parameter), and that the structure
117# is padded at the end to its overall alignment.
118#
119
120#########################################################################
121
122#ifndef _SHA1_MB_MGR_DATASTRUCT_ASM_
123#define _SHA1_MB_MGR_DATASTRUCT_ASM_
124
125## START_FIELDS
126.macro START_FIELDS
127 _FIELD_OFFSET = 0
128 _STRUCT_ALIGN = 0
129.endm
130
131## FIELD name size align
132.macro FIELD name size align
133 _FIELD_OFFSET = (_FIELD_OFFSET + (\align) - 1) & (~ ((\align)-1))
134 \name = _FIELD_OFFSET
135 _FIELD_OFFSET = _FIELD_OFFSET + (\size)
136.if (\align > _STRUCT_ALIGN)
137 _STRUCT_ALIGN = \align
138.endif
139.endm
140
141## END_FIELDS
142.macro END_FIELDS
143 _FIELD_OFFSET = (_FIELD_OFFSET + _STRUCT_ALIGN-1) & (~ (_STRUCT_ALIGN-1))
144.endm
145
146########################################################################
147
148.macro STRUCT p1
149START_FIELDS
150.struc \p1
151.endm
152
153.macro ENDSTRUCT
154 tmp = _FIELD_OFFSET
155 END_FIELDS
156 tmp = (_FIELD_OFFSET - %%tmp)
157.if (tmp > 0)
158 .lcomm tmp
159.endif
160.endstruc
161.endm
162
163## RES_int name size align
164.macro RES_int p1 p2 p3
165 name = \p1
166 size = \p2
167 align = .\p3
168
169 _FIELD_OFFSET = (_FIELD_OFFSET + (align) - 1) & (~ ((align)-1))
170.align align
171.lcomm name size
172 _FIELD_OFFSET = _FIELD_OFFSET + (size)
173.if (align > _STRUCT_ALIGN)
174 _STRUCT_ALIGN = align
175.endif
176.endm
177
178
179
180# macro RES_B name, size [, align]
181.macro RES_B _name, _size, _align=1
182RES_int _name _size _align
183.endm
184
185# macro RES_W name, size [, align]
186.macro RES_W _name, _size, _align=2
187RES_int _name 2*(_size) _align
188.endm
189
190# macro RES_D name, size [, align]
191.macro RES_D _name, _size, _align=4
192RES_int _name 4*(_size) _align
193.endm
194
195# macro RES_Q name, size [, align]
196.macro RES_Q _name, _size, _align=8
197RES_int _name 8*(_size) _align
198.endm
199
200# macro RES_DQ name, size [, align]
201.macro RES_DQ _name, _size, _align=16
202RES_int _name 16*(_size) _align
203.endm
204
205# macro RES_Y name, size [, align]
206.macro RES_Y _name, _size, _align=32
207RES_int _name 32*(_size) _align
208.endm
209
210# macro RES_Z name, size [, align]
211.macro RES_Z _name, _size, _align=64
212RES_int _name 64*(_size) _align
213.endm
214
215
216#endif
217
218########################################################################
219#### Define constants
220########################################################################
221
222########################################################################
223#### Define SHA1 Out Of Order Data Structures
224########################################################################
225
226START_FIELDS # LANE_DATA
227### name size align
228FIELD _job_in_lane, 8, 8 # pointer to job object
229END_FIELDS
230
231_LANE_DATA_size = _FIELD_OFFSET
232_LANE_DATA_align = _STRUCT_ALIGN
233
234########################################################################
235
236START_FIELDS # SHA1_ARGS_X8
237### name size align
238FIELD _digest, 4*5*8, 16 # transposed digest
239FIELD _data_ptr, 8*8, 8 # array of pointers to data
240END_FIELDS
241
242_SHA1_ARGS_X4_size = _FIELD_OFFSET
243_SHA1_ARGS_X4_align = _STRUCT_ALIGN
244_SHA1_ARGS_X8_size = _FIELD_OFFSET
245_SHA1_ARGS_X8_align = _STRUCT_ALIGN
246
247########################################################################
248
249START_FIELDS # MB_MGR
250### name size align
251FIELD _args, _SHA1_ARGS_X4_size, _SHA1_ARGS_X4_align
252FIELD _lens, 4*8, 8
253FIELD _unused_lanes, 8, 8
254FIELD _ldata, _LANE_DATA_size*8, _LANE_DATA_align
255END_FIELDS
256
257_MB_MGR_size = _FIELD_OFFSET
258_MB_MGR_align = _STRUCT_ALIGN
259
260_args_digest = _args + _digest
261_args_data_ptr = _args + _data_ptr
262
263
264########################################################################
265#### Define constants
266########################################################################
267
268#define STS_UNKNOWN 0
269#define STS_BEING_PROCESSED 1
270#define STS_COMPLETED 2
271
272########################################################################
273#### Define JOB_SHA1 structure
274########################################################################
275
276START_FIELDS # JOB_SHA1
277
278### name size align
279FIELD _buffer, 8, 8 # pointer to buffer
280FIELD _len, 4, 4 # length in bytes
281FIELD _result_digest, 5*4, 32 # Digest (output)
282FIELD _status, 4, 4
283FIELD _user_data, 8, 8
284END_FIELDS
285
286_JOB_SHA1_size = _FIELD_OFFSET
287_JOB_SHA1_align = _STRUCT_ALIGN
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