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| /* SPDX-License-Identifier: GPL-2.0-only */
| /*
| * Copyright (C) 2016 Cavium, Inc.
| */
|
| #ifndef _CPTVF_ALGS_H_
| #define _CPTVF_ALGS_H_
|
| #include "request_manager.h"
|
| #define MAX_DEVICES 16
| #define MAJOR_OP_FC 0x33
| #define MAX_ENC_KEY_SIZE 32
| #define MAX_HASH_KEY_SIZE 64
| #define MAX_KEY_SIZE (MAX_ENC_KEY_SIZE + MAX_HASH_KEY_SIZE)
| #define CONTROL_WORD_LEN 8
| #define KEY2_OFFSET 48
|
| #define DMA_MODE_FLAG(dma_mode) \
| (((dma_mode) == DMA_GATHER_SCATTER) ? (1 << 7) : 0)
|
| enum req_type {
| AE_CORE_REQ,
| SE_CORE_REQ,
| };
|
| enum cipher_type {
| DES3_CBC = 0x1,
| DES3_ECB = 0x2,
| AES_CBC = 0x3,
| AES_ECB = 0x4,
| AES_CFB = 0x5,
| AES_CTR = 0x6,
| AES_GCM = 0x7,
| AES_XTS = 0x8
| };
|
| enum aes_type {
| AES_128_BIT = 0x1,
| AES_192_BIT = 0x2,
| AES_256_BIT = 0x3
| };
|
| union encr_ctrl {
| u64 flags;
| struct {
| #if defined(__BIG_ENDIAN_BITFIELD)
| u64 enc_cipher:4;
| u64 reserved1:1;
| u64 aes_key:2;
| u64 iv_source:1;
| u64 hash_type:4;
| u64 reserved2:3;
| u64 auth_input_type:1;
| u64 mac_len:8;
| u64 reserved3:8;
| u64 encr_offset:16;
| u64 iv_offset:8;
| u64 auth_offset:8;
| #else
| u64 auth_offset:8;
| u64 iv_offset:8;
| u64 encr_offset:16;
| u64 reserved3:8;
| u64 mac_len:8;
| u64 auth_input_type:1;
| u64 reserved2:3;
| u64 hash_type:4;
| u64 iv_source:1;
| u64 aes_key:2;
| u64 reserved1:1;
| u64 enc_cipher:4;
| #endif
| } e;
| };
|
| struct cvm_cipher {
| const char *name;
| u8 value;
| };
|
| struct enc_context {
| union encr_ctrl enc_ctrl;
| u8 encr_key[32];
| u8 encr_iv[16];
| };
|
| struct fchmac_context {
| u8 ipad[64];
| u8 opad[64]; /* or OPAD */
| };
|
| struct fc_context {
| struct enc_context enc;
| struct fchmac_context hmac;
| };
|
| struct cvm_enc_ctx {
| u32 key_len;
| u8 enc_key[MAX_KEY_SIZE];
| u8 cipher_type:4;
| u8 key_type:2;
| };
|
| struct cvm_des3_ctx {
| u32 key_len;
| u8 des3_key[MAX_KEY_SIZE];
| };
|
| struct cvm_req_ctx {
| struct cpt_request_info cpt_req;
| u64 control_word;
| struct fc_context fctx;
| };
|
| int cptvf_do_request(void *cptvf, struct cpt_request_info *req);
| #endif /*_CPTVF_ALGS_H_*/
|
|
