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android_kernel_xiaomi_sm8350/drivers/crypto/talitos.h
Lee Nipper 70bcaca753 crypto: talitos - Add support for 3des 
This patch adds support for authenc(hmac(sha1),cbc(des3_ede))
to the talitos crypto driver for the Freescale Security Engine.
Some adjustments were made to the scatterlist to link table conversion
to make 3des work for ping -s 1439..1446.

Signed-off-by: Lee Nipper <lee.nipper@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2008-07-10 20:35:17 +08:00

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/*
* Freescale SEC (talitos) device register and descriptor header defines
*
* Copyright (c) 2006-2008 Freescale Semiconductor, Inc.
*
* 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, 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.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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.
*
*/
/*
* TALITOS_xxx_LO addresses point to the low data bits (32-63) of the register
*/
/* global register offset addresses */
#define TALITOS_MCR 0x1030 /* master control register */
#define TALITOS_MCR_LO 0x1038
#define TALITOS_MCR_SWR 0x1 /* s/w reset */
#define TALITOS_IMR 0x1008 /* interrupt mask register */
#define TALITOS_IMR_INIT 0x10fff /* enable channel IRQs */
#define TALITOS_IMR_LO 0x100C
#define TALITOS_IMR_LO_INIT 0x20000 /* allow RNGU error IRQs */
#define TALITOS_ISR 0x1010 /* interrupt status register */
#define TALITOS_ISR_CHERR 0xaa /* channel errors mask */
#define TALITOS_ISR_CHDONE 0x55 /* channel done mask */
#define TALITOS_ISR_LO 0x1014
#define TALITOS_ICR 0x1018 /* interrupt clear register */
#define TALITOS_ICR_LO 0x101C
/* channel register address stride */
#define TALITOS_CH_STRIDE 0x100
/* channel configuration register */
#define TALITOS_CCCR(ch) (ch * TALITOS_CH_STRIDE + 0x1108)
#define TALITOS_CCCR_CONT 0x2 /* channel continue */
#define TALITOS_CCCR_RESET 0x1 /* channel reset */
#define TALITOS_CCCR_LO(ch) (ch * TALITOS_CH_STRIDE + 0x110c)
#define TALITOS_CCCR_LO_CDWE 0x10 /* chan. done writeback enab. */
#define TALITOS_CCCR_LO_NT 0x4 /* notification type */
#define TALITOS_CCCR_LO_CDIE 0x2 /* channel done IRQ enable */
/* CCPSR: channel pointer status register */
#define TALITOS_CCPSR(ch) (ch * TALITOS_CH_STRIDE + 0x1110)
#define TALITOS_CCPSR_LO(ch) (ch * TALITOS_CH_STRIDE + 0x1114)
#define TALITOS_CCPSR_LO_DOF 0x8000 /* double FF write oflow error */
#define TALITOS_CCPSR_LO_SOF 0x4000 /* single FF write oflow error */
#define TALITOS_CCPSR_LO_MDTE 0x2000 /* master data transfer error */
#define TALITOS_CCPSR_LO_SGDLZ 0x1000 /* s/g data len zero error */
#define TALITOS_CCPSR_LO_FPZ 0x0800 /* fetch ptr zero error */
#define TALITOS_CCPSR_LO_IDH 0x0400 /* illegal desc hdr error */
#define TALITOS_CCPSR_LO_IEU 0x0200 /* invalid EU error */
#define TALITOS_CCPSR_LO_EU 0x0100 /* EU error detected */
#define TALITOS_CCPSR_LO_GB 0x0080 /* gather boundary error */
#define TALITOS_CCPSR_LO_GRL 0x0040 /* gather return/length error */
#define TALITOS_CCPSR_LO_SB 0x0020 /* scatter boundary error */
#define TALITOS_CCPSR_LO_SRL 0x0010 /* scatter return/length error */
/* channel fetch fifo register */
#define TALITOS_FF(ch) (ch * TALITOS_CH_STRIDE + 0x1148)
#define TALITOS_FF_LO(ch) (ch * TALITOS_CH_STRIDE + 0x114c)
/* current descriptor pointer register */
#define TALITOS_CDPR(ch) (ch * TALITOS_CH_STRIDE + 0x1140)
#define TALITOS_CDPR_LO(ch) (ch * TALITOS_CH_STRIDE + 0x1144)
/* descriptor buffer register */
#define TALITOS_DESCBUF(ch) (ch * TALITOS_CH_STRIDE + 0x1180)
#define TALITOS_DESCBUF_LO(ch) (ch * TALITOS_CH_STRIDE + 0x1184)
/* gather link table */
#define TALITOS_GATHER(ch) (ch * TALITOS_CH_STRIDE + 0x11c0)
#define TALITOS_GATHER_LO(ch) (ch * TALITOS_CH_STRIDE + 0x11c4)
/* scatter link table */
#define TALITOS_SCATTER(ch) (ch * TALITOS_CH_STRIDE + 0x11e0)
#define TALITOS_SCATTER_LO(ch) (ch * TALITOS_CH_STRIDE + 0x11e4)
/* execution unit interrupt status registers */
#define TALITOS_DEUISR 0x2030 /* DES unit */
#define TALITOS_DEUISR_LO 0x2034
#define TALITOS_AESUISR 0x4030 /* AES unit */
#define TALITOS_AESUISR_LO 0x4034
#define TALITOS_MDEUISR 0x6030 /* message digest unit */
#define TALITOS_MDEUISR_LO 0x6034
#define TALITOS_AFEUISR 0x8030 /* arc4 unit */
#define TALITOS_AFEUISR_LO 0x8034
#define TALITOS_RNGUISR 0xa030 /* random number unit */
#define TALITOS_RNGUISR_LO 0xa034
#define TALITOS_RNGUSR 0xa028 /* rng status */
#define TALITOS_RNGUSR_LO 0xa02c
#define TALITOS_RNGUSR_LO_RD 0x1 /* reset done */
#define TALITOS_RNGUSR_LO_OFL 0xff0000/* output FIFO length */
#define TALITOS_RNGUDSR 0xa010 /* data size */
#define TALITOS_RNGUDSR_LO 0xa014
#define TALITOS_RNGU_FIFO 0xa800 /* output FIFO */
#define TALITOS_RNGU_FIFO_LO 0xa804 /* output FIFO */
#define TALITOS_RNGURCR 0xa018 /* reset control */
#define TALITOS_RNGURCR_LO 0xa01c
#define TALITOS_RNGURCR_LO_SR 0x1 /* software reset */
#define TALITOS_PKEUISR 0xc030 /* public key unit */
#define TALITOS_PKEUISR_LO 0xc034
#define TALITOS_KEUISR 0xe030 /* kasumi unit */
#define TALITOS_KEUISR_LO 0xe034
#define TALITOS_CRCUISR 0xf030 /* cyclic redundancy check unit*/
#define TALITOS_CRCUISR_LO 0xf034
/*
* talitos descriptor header (hdr) bits
*/
/* written back when done */
#define DESC_HDR_DONE __constant_cpu_to_be32(0xff000000)
/* primary execution unit select */
#define DESC_HDR_SEL0_MASK __constant_cpu_to_be32(0xf0000000)
#define DESC_HDR_SEL0_AFEU __constant_cpu_to_be32(0x10000000)
#define DESC_HDR_SEL0_DEU __constant_cpu_to_be32(0x20000000)
#define DESC_HDR_SEL0_MDEUA __constant_cpu_to_be32(0x30000000)
#define DESC_HDR_SEL0_MDEUB __constant_cpu_to_be32(0xb0000000)
#define DESC_HDR_SEL0_RNG __constant_cpu_to_be32(0x40000000)
#define DESC_HDR_SEL0_PKEU __constant_cpu_to_be32(0x50000000)
#define DESC_HDR_SEL0_AESU __constant_cpu_to_be32(0x60000000)
#define DESC_HDR_SEL0_KEU __constant_cpu_to_be32(0x70000000)
#define DESC_HDR_SEL0_CRCU __constant_cpu_to_be32(0x80000000)
/* primary execution unit mode (MODE0) and derivatives */
#define DESC_HDR_MODE0_ENCRYPT __constant_cpu_to_be32(0x00100000)
#define DESC_HDR_MODE0_AESU_CBC __constant_cpu_to_be32(0x00200000)
#define DESC_HDR_MODE0_DEU_CBC __constant_cpu_to_be32(0x00400000)
#define DESC_HDR_MODE0_DEU_3DES __constant_cpu_to_be32(0x00200000)
#define DESC_HDR_MODE0_MDEU_INIT __constant_cpu_to_be32(0x01000000)
#define DESC_HDR_MODE0_MDEU_HMAC __constant_cpu_to_be32(0x00800000)
#define DESC_HDR_MODE0_MDEU_PAD __constant_cpu_to_be32(0x00400000)
#define DESC_HDR_MODE0_MDEU_MD5 __constant_cpu_to_be32(0x00200000)
#define DESC_HDR_MODE0_MDEU_SHA256 __constant_cpu_to_be32(0x00100000)
#define DESC_HDR_MODE0_MDEU_SHA1 __constant_cpu_to_be32(0x00000000)
#define DESC_HDR_MODE0_MDEU_MD5_HMAC (DESC_HDR_MODE0_MDEU_MD5 | \
DESC_HDR_MODE0_MDEU_HMAC)
#define DESC_HDR_MODE0_MDEU_SHA256_HMAC (DESC_HDR_MODE0_MDEU_SHA256 | \
DESC_HDR_MODE0_MDEU_HMAC)
#define DESC_HDR_MODE0_MDEU_SHA1_HMAC (DESC_HDR_MODE0_MDEU_SHA1 | \
DESC_HDR_MODE0_MDEU_HMAC)
/* secondary execution unit select (SEL1) */
#define DESC_HDR_SEL1_MASK __constant_cpu_to_be32(0x000f0000)
#define DESC_HDR_SEL1_MDEUA __constant_cpu_to_be32(0x00030000)
#define DESC_HDR_SEL1_MDEUB __constant_cpu_to_be32(0x000b0000)
#define DESC_HDR_SEL1_CRCU __constant_cpu_to_be32(0x00080000)
/* secondary execution unit mode (MODE1) and derivatives */
#define DESC_HDR_MODE1_MDEU_INIT __constant_cpu_to_be32(0x00001000)
#define DESC_HDR_MODE1_MDEU_HMAC __constant_cpu_to_be32(0x00000800)
#define DESC_HDR_MODE1_MDEU_PAD __constant_cpu_to_be32(0x00000400)
#define DESC_HDR_MODE1_MDEU_MD5 __constant_cpu_to_be32(0x00000200)
#define DESC_HDR_MODE1_MDEU_SHA256 __constant_cpu_to_be32(0x00000100)
#define DESC_HDR_MODE1_MDEU_SHA1 __constant_cpu_to_be32(0x00000000)
#define DESC_HDR_MODE1_MDEU_MD5_HMAC (DESC_HDR_MODE1_MDEU_MD5 | \
DESC_HDR_MODE1_MDEU_HMAC)
#define DESC_HDR_MODE1_MDEU_SHA256_HMAC (DESC_HDR_MODE1_MDEU_SHA256 | \
DESC_HDR_MODE1_MDEU_HMAC)
#define DESC_HDR_MODE1_MDEU_SHA1_HMAC (DESC_HDR_MODE1_MDEU_SHA1 | \
DESC_HDR_MODE1_MDEU_HMAC)
/* direction of overall data flow (DIR) */
#define DESC_HDR_DIR_INBOUND __constant_cpu_to_be32(0x00000002)
/* request done notification (DN) */
#define DESC_HDR_DONE_NOTIFY __constant_cpu_to_be32(0x00000001)
/* descriptor types */
#define DESC_HDR_TYPE_AESU_CTR_NONSNOOP __constant_cpu_to_be32(0 << 3)
#define DESC_HDR_TYPE_IPSEC_ESP __constant_cpu_to_be32(1 << 3)
#define DESC_HDR_TYPE_COMMON_NONSNOOP_NO_AFEU __constant_cpu_to_be32(2 << 3)
#define DESC_HDR_TYPE_HMAC_SNOOP_NO_AFEU __constant_cpu_to_be32(4 << 3)
/* link table extent field bits */
#define DESC_PTR_LNKTBL_JUMP 0x80
#define DESC_PTR_LNKTBL_RETURN 0x02
#define DESC_PTR_LNKTBL_NEXT 0x01
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