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135 lines
5.2 KiB
C
135 lines
5.2 KiB
C
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/*
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* Copyright (C) 2006 Micronas USA
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* Effort sponsored in part by the Defense Advanced Research Projects
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* Agency (DARPA) and Air Force Research Laboratory, Air Force
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* Materiel Command, USAF, under agreement number F30602-01-2-0537.
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*
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*/
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#ifndef __AES_7108_H__
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#define __AES_7108_H__
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/* Cypher 7108 AES Controller Hardware */
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#define CCU_REG_BASE 0x1b500000
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#define CCU_AES_REG_BASE (CCU_REG_BASE + 0x100)
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#define C7108_AES_KEY0_LO (0x0000)
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#define C7108_AES_KEY0_HI (0x0004)
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#define C7108_AES_KEY1_LO (0x0008)
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#define C7108_AES_KEY1_HI (0x000c)
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#define C7108_AES_KEY2_LO (0x0010)
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#define C7108_AES_KEY2_HI (0x0014)
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#define C7108_AES_KEY3_LO (0x0018)
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#define C7108_AES_KEY3_HI (0x001c)
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#define C7108_AES_KEY4_LO (0x0020)
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#define C7108_AES_KEY4_HI (0x0024)
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#define C7108_AES_KEY5_LO (0x0028)
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#define C7108_AES_KEY5_HI (0x002c)
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#define C7108_AES_KEY6_LO (0x0030)
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#define C7108_AES_KEY6_HI (0x0034)
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#define C7108_AES_KEY7_LO (0x0038)
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#define C7108_AES_KEY7_HI (0x003c)
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#define C7108_AES_IV0_LO (0x0040)
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#define C7108_AES_IV0_HI (0x0044)
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#define C7108_AES_IV1_LO (0x0048)
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#define C7108_AES_IV1_HI (0x004c)
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#define C7108_AES_IV2_LO (0x0050)
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#define C7108_AES_IV2_HI (0x0054)
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#define C7108_AES_IV3_LO (0x0058)
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#define C7108_AES_IV3_HI (0x005c)
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#define C7108_AES_DMA_SRC0_LO (0x0068) /* Bits 0:15 */
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#define C7108_AES_DMA_SRC0_HI (0x006c) /* Bits 27:16 */
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#define C7108_AES_DMA_DST0_LO (0x0070) /* Bits 0:15 */
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#define C7108_AES_DMA_DST0_HI (0x0074) /* Bits 27:16 */
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#define C7108_AES_DMA_LEN (0x0078) /*Bytes:(Count+1)x16 */
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/* AES/Copy engine control register */
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#define C7108_AES_CTRL (0x007c) /* AES control */
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#define C7108_AES_CTRL_RS (1<<0) /* Which set of src/dst to use */
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/* AES Cipher mode, controlled by setting Bits 2:0 */
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#define C7108_AES_CTRL_MODE_CBC 0
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#define C7108_AES_CTRL_MODE_CFB (1<<0)
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#define C7108_AES_CTRL_MODE_OFB (1<<1)
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#define C7108_AES_CTRL_MODE_CTR ((1<<0)|(1<<1))
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#define C7108_AES_CTRL_MODE_ECB (1<<2)
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/* AES Key length , Bits 5:4 */
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#define C7108_AES_KEY_LEN_128 0 /* 00 */
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#define C7108_AES_KEY_LEN_192 (1<<4) /* 01 */
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#define C7108_AES_KEY_LEN_256 (1<<5) /* 10 */
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/* AES Operation (crypt/decrypt), Bit 3 */
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#define C7108_AES_DECRYPT (1<<3) /* Clear for encrypt */
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#define C7108_AES_ENCRYPT 0
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#define C7108_AES_INTR (1<<13) /* Set on done trans from 0->1*/
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#define C7108_AES_GO (1<<14) /* Run */
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#define C7108_AES_OP_DONE (1<<15) /* Set when complete */
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/* Expanded key registers */
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#define C7108_AES_EKEY0_LO (0x0080)
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#define C7108_AES_EKEY0_HI (0x0084)
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#define C7108_AES_EKEY1_LO (0x0088)
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#define C7108_AES_EKEY1_HI (0x008c)
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#define C7108_AES_EKEY2_LO (0x0090)
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#define C7108_AES_EKEY2_HI (0x0094)
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#define C7108_AES_EKEY3_LO (0x0098)
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#define C7108_AES_EKEY3_HI (0x009c)
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#define C7108_AES_EKEY4_LO (0x00a0)
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#define C7108_AES_EKEY4_HI (0x00a4)
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#define C7108_AES_EKEY5_LO (0x00a8)
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#define C7108_AES_EKEY5_HI (0x00ac)
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#define C7108_AES_EKEY6_LO (0x00b0)
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#define C7108_AES_EKEY6_HI (0x00b4)
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#define C7108_AES_EKEY7_LO (0x00b8)
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#define C7108_AES_EKEY7_HI (0x00bc)
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#define C7108_AES_OK (0x00fc) /* Reset: "OK" */
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#define offset_in_page(p) ((unsigned long)(p) & ~PAGE_MASK)
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/* Software session entry */
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#define HW_TYPE_CIPHER 0
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#define SW_TYPE_HMAC 1
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#define SW_TYPE_AUTH2 2
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#define SW_TYPE_HASH 3
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#define SW_TYPE_COMP 4
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struct cipher_7108 {
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int xfm_type;
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int cri_alg;
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union {
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struct {
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char sw_key[HMAC_BLOCK_LEN];
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int sw_klen;
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int sw_authlen;
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} hmac;
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} u;
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struct cipher_7108 *next;
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};
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#endif /* __C7108_AES_7108_H__ */
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