1 files changed, 243 insertions, 0 deletions

diff --git a/drivers/crypto/amcc/crypto4xx_sa.h b/drivers/crypto/amcc/crypto4xx_sa.h
new file mode 100644
index 000000000000..4b83ed7e5570
--- /dev/null
+++ b/drivers/crypto/amcc/crypto4xx_sa.h
@@ -0,0 +1,243 @@
+/**
+ * AMCC SoC PPC4xx Crypto Driver
+ *
+ * Copyright (c) 2008 Applied Micro Circuits Corporation.
+ * All rights reserved. James Hsiao <jhsiao@amcc.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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.
+ *
+ * This file defines the security context
+ * assoicate format.
+ */
+
+#ifndef __CRYPTO4XX_SA_H__
+#define __CRYPTO4XX_SA_H__
+
+#define AES_IV_SIZE                             16
+
+/**
+ * Contents of Dynamic Security Association (SA) with all possible fields
+ */
+union dynamic_sa_contents {
+        struct {
+                u32 arc4_state_ptr:1;
+                u32 arc4_ij_ptr:1;
+                u32 state_ptr:1;
+                u32 iv3:1;
+                u32 iv2:1;
+                u32 iv1:1;
+                u32 iv0:1;
+                u32 seq_num_mask3:1;
+                u32 seq_num_mask2:1;
+                u32 seq_num_mask1:1;
+                u32 seq_num_mask0:1;
+                u32 seq_num1:1;
+                u32 seq_num0:1;
+                u32 spi:1;
+                u32 outer_size:5;
+                u32 inner_size:5;
+                u32 key_size:4;
+                u32 cmd_size:4;
+        } bf;
+        u32 w;
+} __attribute__((packed));
+
+#define DIR_OUTBOUND                            0
+#define DIR_INBOUND                             1
+#define SA_OP_GROUP_BASIC                       0
+#define SA_OPCODE_ENCRYPT                       0
+#define SA_OPCODE_DECRYPT                       0
+#define SA_OPCODE_HASH                          3
+#define SA_CIPHER_ALG_DES                       0
+#define SA_CIPHER_ALG_3DES                      1
+#define SA_CIPHER_ALG_ARC4                      2
+#define SA_CIPHER_ALG_AES                       3
+#define SA_CIPHER_ALG_KASUMI                    4
+#define SA_CIPHER_ALG_NULL                      15
+
+#define SA_HASH_ALG_MD5                         0
+#define SA_HASH_ALG_SHA1                        1
+#define SA_HASH_ALG_NULL                        15
+#define SA_HASH_ALG_SHA1_DIGEST_SIZE            20
+
+#define SA_LOAD_HASH_FROM_SA                    0
+#define SA_LOAD_HASH_FROM_STATE                 2
+#define SA_NOT_LOAD_HASH                        3
+#define SA_LOAD_IV_FROM_SA                      0
+#define SA_LOAD_IV_FROM_INPUT                   1
+#define SA_LOAD_IV_FROM_STATE                   2
+#define SA_LOAD_IV_GEN_IV                       3
+
+#define SA_PAD_TYPE_CONSTANT                    2
+#define SA_PAD_TYPE_ZERO                        3
+#define SA_PAD_TYPE_TLS                         5
+#define SA_PAD_TYPE_DTLS                        5
+#define SA_NOT_SAVE_HASH                        0
+#define SA_SAVE_HASH                            1
+#define SA_NOT_SAVE_IV                          0
+#define SA_SAVE_IV                              1
+#define SA_HEADER_PROC                          1
+#define SA_NO_HEADER_PROC                       0
+
+union sa_command_0 {
+        struct {
+                u32 scatter:1;
+                u32 gather:1;
+                u32 save_hash_state:1;
+                u32 save_iv:1;
+                u32 load_hash_state:2;
+                u32 load_iv:2;
+                u32 digest_len:4;
+                u32 hdr_proc:1;
+                u32 extend_pad:1;
+                u32 stream_cipher_pad:1;
+                u32 rsv:1;
+                u32 hash_alg:4;
+                u32 cipher_alg:4;
+                u32 pad_type:2;
+                u32 op_group:2;
+                u32 dir:1;
+                u32 opcode:3;
+        } bf;
+        u32 w;
+} __attribute__((packed));
+
+#define CRYPTO_MODE_ECB                         0
+#define CRYPTO_MODE_CBC                         1
+
+#define CRYPTO_FEEDBACK_MODE_NO_FB              0
+#define CRYPTO_FEEDBACK_MODE_64BIT_OFB          0
+#define CRYPTO_FEEDBACK_MODE_8BIT_CFB           1
+#define CRYPTO_FEEDBACK_MODE_1BIT_CFB           2
+#define CRYPTO_FEEDBACK_MODE_128BIT_CFB         3
+
+#define SA_AES_KEY_LEN_128                      2
+#define SA_AES_KEY_LEN_192                      3
+#define SA_AES_KEY_LEN_256                      4
+
+#define SA_REV2                                 1
+/**
+ * The follow defines bits sa_command_1
+ * In Basic hash mode  this bit define simple hash or hmac.
+ * In IPsec mode, this bit define muting control.
+ */
+#define SA_HASH_MODE_HASH                       0
+#define SA_HASH_MODE_HMAC                       1
+#define SA_MC_ENABLE                            0
+#define SA_MC_DISABLE                           1
+#define SA_NOT_COPY_HDR                         0
+#define SA_COPY_HDR                             1
+#define SA_NOT_COPY_PAD                         0
+#define SA_COPY_PAD                             1
+#define SA_NOT_COPY_PAYLOAD                     0
+#define SA_COPY_PAYLOAD                         1
+#define SA_EXTENDED_SN_OFF                      0
+#define SA_EXTENDED_SN_ON                       1
+#define SA_SEQ_MASK_OFF                         0
+#define SA_SEQ_MASK_ON                          1
+
+union sa_command_1 {
+        struct {
+                u32 crypto_mode31:1;
+                u32 save_arc4_state:1;
+                u32 arc4_stateful:1;
+                u32 key_len:5;
+                u32 hash_crypto_offset:8;
+                u32 sa_rev:2;
+                u32 byte_offset:1;
+                u32 hmac_muting:1;
+                u32 feedback_mode:2;
+                u32 crypto_mode9_8:2;
+                u32 extended_seq_num:1;
+                u32 seq_num_mask:1;
+                u32 mutable_bit_proc:1;
+                u32 ip_version:1;
+                u32 copy_pad:1;
+                u32 copy_payload:1;
+                u32 copy_hdr:1;
+                u32 rsv1:1;
+        } bf;
+        u32 w;
+} __attribute__((packed));
+
+struct dynamic_sa_ctl {
+        u32 sa_contents;
+        union sa_command_0 sa_command_0;
+        union sa_command_1 sa_command_1;
+} __attribute__((packed));
+
+/**
+ * State Record for Security Association (SA)
+ */
+struct  sa_state_record {
+        u32 save_iv[4];
+        u32 save_hash_byte_cnt[2];
+        u32 save_digest[16];
+} __attribute__((packed));
+
+/**
+ * Security Association (SA) for AES128
+ *
+ */
+struct dynamic_sa_aes128 {
+        struct dynamic_sa_ctl   ctrl;
+        u32 key[4];
+        u32 iv[4]; /* for CBC, OFC, and CFB mode */
+        u32 state_ptr;
+        u32 reserved;
+} __attribute__((packed));
+
+#define SA_AES128_LEN           (sizeof(struct dynamic_sa_aes128)/4)
+#define SA_AES128_CONTENTS      0x3e000042
+
+/*
+ * Security Association (SA) for AES192
+ */
+struct dynamic_sa_aes192 {
+        struct dynamic_sa_ctl ctrl;
+        u32 key[6];
+        u32 iv[4]; /* for CBC, OFC, and CFB mode */
+        u32 state_ptr;
+        u32 reserved;
+} __attribute__((packed));
+
+#define SA_AES192_LEN           (sizeof(struct dynamic_sa_aes192)/4)
+#define SA_AES192_CONTENTS      0x3e000062
+
+/**
+ * Security Association (SA) for AES256
+ */
+struct dynamic_sa_aes256 {
+        struct dynamic_sa_ctl ctrl;
+        u32 key[8];
+        u32 iv[4]; /* for CBC, OFC, and CFB mode */
+        u32 state_ptr;
+        u32 reserved;
+} __attribute__((packed));
+
+#define SA_AES256_LEN           (sizeof(struct dynamic_sa_aes256)/4)
+#define SA_AES256_CONTENTS      0x3e000082
+#define SA_AES_CONTENTS         0x3e000002
+
+/**
+ * Security Association (SA) for HASH160: HMAC-SHA1
+ */
+struct dynamic_sa_hash160 {
+        struct dynamic_sa_ctl ctrl;
+        u32 inner_digest[5];
+        u32 outer_digest[5];
+        u32 state_ptr;
+        u32 reserved;
+} __attribute__((packed));
+#define SA_HASH160_LEN          (sizeof(struct dynamic_sa_hash160)/4)
+#define SA_HASH160_CONTENTS     0x2000a502
+
+#endif