target/linux/generic-2.6/files/crypto/ocf/c7108/aes-7108.h

   1 /*
   2  * Copyright (C) 2006 Micronas USA
   3  *
   4  * 1. Redistributions of source code must retain the above copyright
   5  *   notice, this list of conditions and the following disclaimer.
   6  * 2. Redistributions in binary form must reproduce the above copyright
   7  *   notice, this list of conditions and the following disclaimer in the
   8  *   documentation and/or other materials provided with the distribution.
   9  * 3. The name of the author may not be used to endorse or promote products
  10  *   derived from this software without specific prior written permission.
  11  *
  12  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  13  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  14  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  15  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  16  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  17  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  18  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  19  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  20  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  21  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  22  *
  23  * Effort sponsored in part by the Defense Advanced Research Projects
  24  * Agency (DARPA) and Air Force Research Laboratory, Air Force
  25  * Materiel Command, USAF, under agreement number F30602-01-2-0537.
  26  *
  27  */
  28
  29 #ifndef __AES_7108_H__
  30 #define __AES_7108_H__
  31
  32 /* Cypher 7108 AES Controller Hardware */
  33 #define CCU_REG_BASE       0x1b500000
  34 #define CCU_AES_REG_BASE   (CCU_REG_BASE + 0x100)
  35 #define C7108_AES_KEY0_LO        (0x0000)
  36 #define C7108_AES_KEY0_HI        (0x0004)
  37 #define C7108_AES_KEY1_LO        (0x0008)
  38 #define C7108_AES_KEY1_HI        (0x000c)
  39 #define C7108_AES_KEY2_LO        (0x0010)
  40 #define C7108_AES_KEY2_HI        (0x0014)
  41 #define C7108_AES_KEY3_LO        (0x0018)
  42 #define C7108_AES_KEY3_HI        (0x001c)
  43 #define C7108_AES_KEY4_LO        (0x0020)
  44 #define C7108_AES_KEY4_HI        (0x0024)
  45 #define C7108_AES_KEY5_LO        (0x0028)
  46 #define C7108_AES_KEY5_HI        (0x002c)
  47 #define C7108_AES_KEY6_LO        (0x0030)
  48 #define C7108_AES_KEY6_HI        (0x0034)
  49 #define C7108_AES_KEY7_LO        (0x0038)
  50 #define C7108_AES_KEY7_HI        (0x003c)
  51 #define C7108_AES_IV0_LO         (0x0040)
  52 #define C7108_AES_IV0_HI         (0x0044)
  53 #define C7108_AES_IV1_LO         (0x0048)
  54 #define C7108_AES_IV1_HI         (0x004c)
  55 #define C7108_AES_IV2_LO         (0x0050)
  56 #define C7108_AES_IV2_HI         (0x0054)
  57 #define C7108_AES_IV3_LO         (0x0058)
  58 #define C7108_AES_IV3_HI         (0x005c)
  59
  60 #define C7108_AES_DMA_SRC0_LO    (0x0068) /* Bits 0:15 */
  61 #define C7108_AES_DMA_SRC0_HI    (0x006c) /* Bits 27:16 */
  62 #define C7108_AES_DMA_DST0_LO    (0x0070) /* Bits 0:15 */
  63 #define C7108_AES_DMA_DST0_HI    (0x0074) /* Bits 27:16 */
  64 #define C7108_AES_DMA_LEN        (0x0078)  /*Bytes:(Count+1)x16 */
  65
  66 /* AES/Copy engine control register */
  67 #define C7108_AES_CTRL           (0x007c) /* AES control */
  68 #define C7108_AES_CTRL_RS        (1<<0)     /* Which set of src/dst to use */
  69
  70 /* AES Cipher mode, controlled by setting Bits 2:0 */
  71 #define C7108_AES_CTRL_MODE_CBC     0
  72 #define C7108_AES_CTRL_MODE_CFB     (1<<0)
  73 #define C7108_AES_CTRL_MODE_OFB     (1<<1)
  74 #define C7108_AES_CTRL_MODE_CTR     ((1<<0)|(1<<1))
  75 #define C7108_AES_CTRL_MODE_ECB     (1<<2)
  76
  77 /* AES Key length , Bits 5:4 */
  78 #define C7108_AES_KEY_LEN_128         0       /* 00 */
  79 #define C7108_AES_KEY_LEN_192         (1<<4)  /* 01 */
  80 #define C7108_AES_KEY_LEN_256         (1<<5)  /* 10 */
  81
  82 /* AES Operation (crypt/decrypt), Bit 3 */
  83 #define C7108_AES_DECRYPT             (1<<3)   /* Clear for encrypt */
  84 #define C7108_AES_ENCRYPT              0
  85 #define C7108_AES_INTR                (1<<13) /* Set on done trans from 0->1*/
  86 #define C7108_AES_GO                  (1<<14) /* Run */
  87 #define C7108_AES_OP_DONE             (1<<15) /* Set when complete */
  88
  89
  90 /* Expanded key registers */
  91 #define C7108_AES_EKEY0_LO            (0x0080)
  92 #define C7108_AES_EKEY0_HI            (0x0084)
  93 #define C7108_AES_EKEY1_LO            (0x0088)
  94 #define C7108_AES_EKEY1_HI            (0x008c)
  95 #define C7108_AES_EKEY2_LO            (0x0090)
  96 #define C7108_AES_EKEY2_HI            (0x0094)
  97 #define C7108_AES_EKEY3_LO            (0x0098)
  98 #define C7108_AES_EKEY3_HI            (0x009c)
  99 #define C7108_AES_EKEY4_LO            (0x00a0)
 100 #define C7108_AES_EKEY4_HI            (0x00a4)
 101 #define C7108_AES_EKEY5_LO            (0x00a8)
 102 #define C7108_AES_EKEY5_HI            (0x00ac)
 103 #define C7108_AES_EKEY6_LO            (0x00b0)
 104 #define C7108_AES_EKEY6_HI            (0x00b4)
 105 #define C7108_AES_EKEY7_LO            (0x00b8)
 106 #define C7108_AES_EKEY7_HI            (0x00bc)
 107 #define C7108_AES_OK                  (0x00fc) /* Reset: "OK" */
 108
 109 #define offset_in_page(p) ((unsigned long)(p) & ~PAGE_MASK)
 110
 111 /* Software session entry */
 112
 113 #define HW_TYPE_CIPHER  0
 114 #define SW_TYPE_HMAC    1
 115 #define SW_TYPE_AUTH2   2
 116 #define SW_TYPE_HASH    3
 117 #define SW_TYPE_COMP    4
 118
 119 struct cipher_7108 {
 120         int                     xfm_type;
 121         int                     cri_alg;
 122         union {
 123                 struct {
 124                         char sw_key[HMAC_BLOCK_LEN];
 125                         int  sw_klen;
 126                         int  sw_authlen;
 127                 } hmac;
 128         } u;
 129         struct cipher_7108      *next;
 130 };
 131
 132
 133
 134 #endif /* __C7108_AES_7108_H__ */