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Diffstat (limited to 'arch/x86/crypto/sha256-mb/sha256_mb_mgr_datastruct.S')
| -rw-r--r-- | arch/x86/crypto/sha256-mb/sha256_mb_mgr_datastruct.S | 304 |
1 files changed, 304 insertions, 0 deletions
diff --git a/arch/x86/crypto/sha256-mb/sha256_mb_mgr_datastruct.S b/arch/x86/crypto/sha256-mb/sha256_mb_mgr_datastruct.S new file mode 100644 index 000000000000..5c377bac21d0 --- /dev/null +++ b/arch/x86/crypto/sha256-mb/sha256_mb_mgr_datastruct.S @@ -0,0 +1,304 @@ +/* + * Header file for multi buffer SHA256 algorithm data structure + * + * This file is provided under a dual BSD/GPLv2 license. When using or + * redistributing this file, you may do so under either license. + * + * GPL LICENSE SUMMARY + * + * Copyright(c) 2016 Intel Corporation. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * Contact Information: + * Megha Dey <megha.dey@linux.intel.com> + * + * BSD LICENSE + * + * Copyright(c) 2016 Intel Corporation. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +# Macros for defining data structures + +# Usage example + +#START_FIELDS # JOB_AES +### name size align +#FIELD _plaintext, 8, 8 # pointer to plaintext +#FIELD _ciphertext, 8, 8 # pointer to ciphertext +#FIELD _IV, 16, 8 # IV +#FIELD _keys, 8, 8 # pointer to keys +#FIELD _len, 4, 4 # length in bytes +#FIELD _status, 4, 4 # status enumeration +#FIELD _user_data, 8, 8 # pointer to user data +#UNION _union, size1, align1, \ +# size2, align2, \ +# size3, align3, \ +# ... +#END_FIELDS +#%assign _JOB_AES_size _FIELD_OFFSET +#%assign _JOB_AES_align _STRUCT_ALIGN + +######################################################################### + +# Alternate "struc-like" syntax: +# STRUCT job_aes2 +# RES_Q .plaintext, 1 +# RES_Q .ciphertext, 1 +# RES_DQ .IV, 1 +# RES_B .nested, _JOB_AES_SIZE, _JOB_AES_ALIGN +# RES_U .union, size1, align1, \ +# size2, align2, \ +# ... +# ENDSTRUCT +# # Following only needed if nesting +# %assign job_aes2_size _FIELD_OFFSET +# %assign job_aes2_align _STRUCT_ALIGN +# +# RES_* macros take a name, a count and an optional alignment. +# The count in in terms of the base size of the macro, and the +# default alignment is the base size. +# The macros are: +# Macro Base size +# RES_B 1 +# RES_W 2 +# RES_D 4 +# RES_Q 8 +# RES_DQ 16 +# RES_Y 32 +# RES_Z 64 +# +# RES_U defines a union. It's arguments are a name and two or more +# pairs of "size, alignment" +# +# The two assigns are only needed if this structure is being nested +# within another. Even if the assigns are not done, one can still use +# STRUCT_NAME_size as the size of the structure. +# +# Note that for nesting, you still need to assign to STRUCT_NAME_size. +# +# The differences between this and using "struc" directly are that each +# type is implicitly aligned to its natural length (although this can be +# over-ridden with an explicit third parameter), and that the structure +# is padded at the end to its overall alignment. +# + +######################################################################### + +#ifndef _DATASTRUCT_ASM_ +#define _DATASTRUCT_ASM_ + +#define SZ8 8*SHA256_DIGEST_WORD_SIZE +#define ROUNDS 64*SZ8 +#define PTR_SZ 8 +#define SHA256_DIGEST_WORD_SIZE 4 +#define MAX_SHA256_LANES 8 +#define SHA256_DIGEST_WORDS 8 +#define SHA256_DIGEST_ROW_SIZE (MAX_SHA256_LANES * SHA256_DIGEST_WORD_SIZE) +#define SHA256_DIGEST_SIZE (SHA256_DIGEST_ROW_SIZE * SHA256_DIGEST_WORDS) +#define SHA256_BLK_SZ 64 + +# START_FIELDS +.macro START_FIELDS + _FIELD_OFFSET = 0 + _STRUCT_ALIGN = 0 +.endm + +# FIELD name size align +.macro FIELD name size align + _FIELD_OFFSET = (_FIELD_OFFSET + (\align) - 1) & (~ ((\align)-1)) + \name = _FIELD_OFFSET + _FIELD_OFFSET = _FIELD_OFFSET + (\size) +.if (\align > _STRUCT_ALIGN) + _STRUCT_ALIGN = \align +.endif +.endm + +# END_FIELDS +.macro END_FIELDS + _FIELD_OFFSET = (_FIELD_OFFSET + _STRUCT_ALIGN-1) & (~ (_STRUCT_ALIGN-1)) +.endm + +######################################################################## + +.macro STRUCT p1 +START_FIELDS +.struc \p1 +.endm + +.macro ENDSTRUCT + tmp = _FIELD_OFFSET + END_FIELDS + tmp = (_FIELD_OFFSET - %%tmp) +.if (tmp > 0) + .lcomm tmp +.endif +.endstruc +.endm + +## RES_int name size align +.macro RES_int p1 p2 p3 + name = \p1 + size = \p2 + align = .\p3 + + _FIELD_OFFSET = (_FIELD_OFFSET + (align) - 1) & (~ ((align)-1)) +.align align +.lcomm name size + _FIELD_OFFSET = _FIELD_OFFSET + (size) +.if (align > _STRUCT_ALIGN) + _STRUCT_ALIGN = align +.endif +.endm + +# macro RES_B name, size [, align] +.macro RES_B _name, _size, _align=1 +RES_int _name _size _align +.endm + +# macro RES_W name, size [, align] +.macro RES_W _name, _size, _align=2 +RES_int _name 2*(_size) _align +.endm + +# macro RES_D name, size [, align] +.macro RES_D _name, _size, _align=4 +RES_int _name 4*(_size) _align +.endm + +# macro RES_Q name, size [, align] +.macro RES_Q _name, _size, _align=8 +RES_int _name 8*(_size) _align +.endm + +# macro RES_DQ name, size [, align] +.macro RES_DQ _name, _size, _align=16 +RES_int _name 16*(_size) _align +.endm + +# macro RES_Y name, size [, align] +.macro RES_Y _name, _size, _align=32 +RES_int _name 32*(_size) _align +.endm + +# macro RES_Z name, size [, align] +.macro RES_Z _name, _size, _align=64 +RES_int _name 64*(_size) _align +.endm + +#endif + + +######################################################################## +#### Define SHA256 Out Of Order Data Structures +######################################################################## + +START_FIELDS # LANE_DATA +### name size align +FIELD _job_in_lane, 8, 8 # pointer to job object +END_FIELDS + + _LANE_DATA_size = _FIELD_OFFSET + _LANE_DATA_align = _STRUCT_ALIGN + +######################################################################## + +START_FIELDS # SHA256_ARGS_X4 +### name size align +FIELD _digest, 4*8*8, 4 # transposed digest +FIELD _data_ptr, 8*8, 8 # array of pointers to data +END_FIELDS + + _SHA256_ARGS_X4_size = _FIELD_OFFSET + _SHA256_ARGS_X4_align = _STRUCT_ALIGN + _SHA256_ARGS_X8_size = _FIELD_OFFSET + _SHA256_ARGS_X8_align = _STRUCT_ALIGN + +####################################################################### + +START_FIELDS # MB_MGR +### name size align +FIELD _args, _SHA256_ARGS_X4_size, _SHA256_ARGS_X4_align +FIELD _lens, 4*8, 8 +FIELD _unused_lanes, 8, 8 +FIELD _ldata, _LANE_DATA_size*8, _LANE_DATA_align +END_FIELDS + + _MB_MGR_size = _FIELD_OFFSET + _MB_MGR_align = _STRUCT_ALIGN + +_args_digest = _args + _digest +_args_data_ptr = _args + _data_ptr + +####################################################################### + +START_FIELDS #STACK_FRAME +### name size align +FIELD _data, 16*SZ8, 1 # transposed digest +FIELD _digest, 8*SZ8, 1 # array of pointers to data +FIELD _ytmp, 4*SZ8, 1 +FIELD _rsp, 8, 1 +END_FIELDS + + _STACK_FRAME_size = _FIELD_OFFSET + _STACK_FRAME_align = _STRUCT_ALIGN + +####################################################################### + +######################################################################## +#### Define constants +######################################################################## + +#define STS_UNKNOWN 0 +#define STS_BEING_PROCESSED 1 +#define STS_COMPLETED 2 + +######################################################################## +#### Define JOB_SHA256 structure +######################################################################## + +START_FIELDS # JOB_SHA256 + +### name size align +FIELD _buffer, 8, 8 # pointer to buffer +FIELD _len, 8, 8 # length in bytes +FIELD _result_digest, 8*4, 32 # Digest (output) +FIELD _status, 4, 4 +FIELD _user_data, 8, 8 +END_FIELDS + + _JOB_SHA256_size = _FIELD_OFFSET + _JOB_SHA256_align = _STRUCT_ALIGN |