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freebsd-skq/sys/mips/include/octeon_cop2.h
gonzo 3d21003ba1 - Add better COP2 (crypto coprocessor) context handler for Octeon. Keep 
COP2 disabled and lazily allocate COP2 context structure in exception
    handler. Keep kernel and userland contexts separated.
2012-01-06 01:23:26 +00:00

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/*-
* Copyright (c) 2011, Oleksandr Tymoshenko <gonzo@FreeBSD.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice unmodified, this list of conditions, and the following
* disclaimer.
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
*
* $FreeBSD$
*
*/
#ifndef __OCTEON_COP2_H__
#define __OCTEON_COP2_H__
/*
* COP2 registers of interest
*/
#define COP2_CRC_IV 0x201
#define COP2_CRC_IV_SET COP2_CRC_IV
#define COP2_CRC_LENGTH 0x202
#define COP2_CRC_LENGTH_SET 0x1202
#define COP2_CRC_POLY 0x200
#define COP2_CRC_POLY_SET 0x4200
#define COP2_LLM_DAT0 0x402
#define COP2_LLM_DAT0_SET COP2_LLM_DAT0
#define COP2_LLM_DAT1 0x40A
#define COP2_LLM_DAT1_SET COP2_LLM_DAT1
#define COP2_3DES_IV 0x084
#define COP2_3DES_IV_SET COP2_3DES_IV
#define COP2_3DES_KEY0 0x080
#define COP2_3DES_KEY0_SET COP2_3DES_KEY0
#define COP2_3DES_KEY1 0x081
#define COP2_3DES_KEY1_SET COP2_3DES_KEY1
#define COP2_3DES_KEY2 0x082
#define COP2_3DES_KEY2_SET COP2_3DES_KEY2
#define COP2_3DES_RESULT 0x088
#define COP2_3DES_RESULT_SET 0x098
#define COP2_AES_INP0 0x111
#define COP2_AES_INP0_SET COP2_AES_INP0
#define COP2_AES_IV0 0x102
#define COP2_AES_IV0_SET COP2_AES_IV0
#define COP2_AES_IV1 0x103
#define COP2_AES_IV1_SET COP2_AES_IV1
#define COP2_AES_KEY0 0x104
#define COP2_AES_KEY0_SET COP2_AES_KEY0
#define COP2_AES_KEY1 0x105
#define COP2_AES_KEY1_SET COP2_AES_KEY1
#define COP2_AES_KEY2 0x106
#define COP2_AES_KEY2_SET COP2_AES_KEY2
#define COP2_AES_KEY3 0x107
#define COP2_AES_KEY3_SET COP2_AES_KEY3
#define COP2_AES_KEYLEN 0x110
#define COP2_AES_KEYLEN_SET COP2_AES_KEYLEN
#define COP2_AES_RESULT0 0x100
#define COP2_AES_RESULT0_SET COP2_AES_RESULT0
#define COP2_AES_RESULT1 0x101
#define COP2_AES_RESULT1_SET COP2_AES_RESULT1
#define COP2_HSH_DATW0 0x240
#define COP2_HSH_DATW0_SET COP2_HSH_DATW0
#define COP2_HSH_DATW1 0x241
#define COP2_HSH_DATW1_SET COP2_HSH_DATW1
#define COP2_HSH_DATW2 0x242
#define COP2_HSH_DATW2_SET COP2_HSH_DATW2
#define COP2_HSH_DATW3 0x243
#define COP2_HSH_DATW3_SET COP2_HSH_DATW3
#define COP2_HSH_DATW4 0x244
#define COP2_HSH_DATW4_SET COP2_HSH_DATW4
#define COP2_HSH_DATW5 0x245
#define COP2_HSH_DATW5_SET COP2_HSH_DATW5
#define COP2_HSH_DATW6 0x246
#define COP2_HSH_DATW6_SET COP2_HSH_DATW6
#define COP2_HSH_DATW7 0x247
#define COP2_HSH_DATW7_SET COP2_HSH_DATW7
#define COP2_HSH_DATW8 0x248
#define COP2_HSH_DATW8_SET COP2_HSH_DATW8
#define COP2_HSH_DATW9 0x249
#define COP2_HSH_DATW9_SET COP2_HSH_DATW9
#define COP2_HSH_DATW10 0x24A
#define COP2_HSH_DATW10_SET COP2_HSH_DATW10
#define COP2_HSH_DATW11 0x24B
#define COP2_HSH_DATW11_SET COP2_HSH_DATW11
#define COP2_HSH_DATW12 0x24C
#define COP2_HSH_DATW12_SET COP2_HSH_DATW12
#define COP2_HSH_DATW13 0x24D
#define COP2_HSH_DATW13_SET COP2_HSH_DATW13
#define COP2_HSH_DATW14 0x24E
#define COP2_HSH_DATW14_SET COP2_HSH_DATW14
#define COP2_HSH_IVW0 0x250
#define COP2_HSH_IVW0_SET COP2_HSH_IVW0
#define COP2_HSH_IVW1 0x251
#define COP2_HSH_IVW1_SET COP2_HSH_IVW1
#define COP2_HSH_IVW2 0x252
#define COP2_HSH_IVW2_SET COP2_HSH_IVW2
#define COP2_HSH_IVW3 0x253
#define COP2_HSH_IVW3_SET COP2_HSH_IVW3
#define COP2_HSH_IVW4 0x254
#define COP2_HSH_IVW4_SET COP2_HSH_IVW4
#define COP2_HSH_IVW5 0x255
#define COP2_HSH_IVW5_SET COP2_HSH_IVW5
#define COP2_HSH_IVW6 0x256
#define COP2_HSH_IVW6_SET COP2_HSH_IVW6
#define COP2_HSH_IVW7 0x257
#define COP2_HSH_IVW7_SET COP2_HSH_IVW7
#define COP2_GFM_MULT0 0x258
#define COP2_GFM_MULT0_SET COP2_GFM_MULT0
#define COP2_GFM_MULT1 0x259
#define COP2_GFM_MULT1_SET COP2_GFM_MULT1
#define COP2_GFM_POLY 0x25E
#define COP2_GFM_POLY_SET COP2_GFM_POLY
#define COP2_GFM_RESULT0 0x25A
#define COP2_GFM_RESULT0_SET COP2_GFM_RESULT0
#define COP2_GFM_RESULT1 0x25B
#define COP2_GFM_RESULT1_SET COP2_GFM_RESULT1
#define COP2_HSH_DATW0_PASS1 0x040
#define COP2_HSH_DATW0_PASS1_SET COP2_HSH_DATW0_PASS1
#define COP2_HSH_DATW1_PASS1 0x041
#define COP2_HSH_DATW1_PASS1_SET COP2_HSH_DATW1_PASS1
#define COP2_HSH_DATW2_PASS1 0x042
#define COP2_HSH_DATW2_PASS1_SET COP2_HSH_DATW2_PASS1
#define COP2_HSH_DATW3_PASS1 0x043
#define COP2_HSH_DATW3_PASS1_SET COP2_HSH_DATW3_PASS1
#define COP2_HSH_DATW4_PASS1 0x044
#define COP2_HSH_DATW4_PASS1_SET COP2_HSH_DATW4_PASS1
#define COP2_HSH_DATW5_PASS1 0x045
#define COP2_HSH_DATW5_PASS1_SET COP2_HSH_DATW5_PASS1
#define COP2_HSH_DATW6_PASS1 0x046
#define COP2_HSH_DATW6_PASS1_SET COP2_HSH_DATW6_PASS1
#define COP2_HSH_IVW0_PASS1 0x048
#define COP2_HSH_IVW0_PASS1_SET COP2_HSH_IVW0_PASS1
#define COP2_HSH_IVW1_PASS1 0x049
#define COP2_HSH_IVW1_PASS1_SET COP2_HSH_IVW1_PASS1
#define COP2_HSH_IVW2_PASS1 0x04A
#define COP2_HSH_IVW2_PASS1_SET COP2_HSH_IVW2_PASS1
#ifndef LOCORE
struct octeon_cop2_state {
/* 3DES */
/* 0x0084 */
unsigned long _3des_iv;
/* 0x0080..0x0082 */
unsigned long _3des_key[3];
/* 0x0088, set: 0x0098 */
unsigned long _3des_result;
/* AES */
/* 0x0111 */
unsigned long aes_inp0;
/* 0x0102..0x0103 */
unsigned long aes_iv[2];
/* 0x0104..0x0107 */
unsigned long aes_key[4];
/* 0x0110 */
unsigned long aes_keylen;
/* 0x0100..0x0101 */
unsigned long aes_result[2];
/* CRC */
/* 0x0201 */
unsigned long crc_iv;
/* 0x0202, set: 0x1202 */
unsigned long crc_length;
/* 0x0200, set: 0x4200 */
unsigned long crc_poly;
/* Low-latency memory stuff */
/* 0x0402, 0x040A */
unsigned long llm_dat[2];
/* SHA & MD5 */
/* 0x0240..0x024E */
unsigned long hsh_datw[15];
/* 0x0250..0x0257 */
unsigned long hsh_ivw[8];
/* GFM */
/* 0x0258..0x0259 */
unsigned long gfm_mult[2];
/* 0x025E */
unsigned long gfm_poly;
/* 0x025A..0x025B */
unsigned long gfm_result[2];
};
/* Prototypes */
struct octeon_cop2_state* octeon_cop2_alloc_ctx(void);
void octeon_cop2_free_ctx(struct octeon_cop2_state *);
/*
* Save/restore part
*/
void octeon_cop2_save(struct octeon_cop2_state *);
void octeon_cop2_restore(struct octeon_cop2_state *);
#endif /* LOCORE */
#endif /* __OCTEON_COP2_H__ */
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