cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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cptvf_algs.h (1969B)

      1/* SPDX-License-Identifier: GPL-2.0-only */
      2/*
      3 * Copyright (C) 2016 Cavium, Inc.
      4 */
      5
      6#ifndef _CPTVF_ALGS_H_
      7#define _CPTVF_ALGS_H_
      8
      9#include "request_manager.h"
     10
     11#define MAX_DEVICES 16
     12#define MAJOR_OP_FC 0x33
     13#define MAX_ENC_KEY_SIZE 32
     14#define MAX_HASH_KEY_SIZE 64
     15#define MAX_KEY_SIZE (MAX_ENC_KEY_SIZE + MAX_HASH_KEY_SIZE)
     16#define CONTROL_WORD_LEN 8
     17#define KEY2_OFFSET 48
     18
     19#define DMA_MODE_FLAG(dma_mode) \
     20	(((dma_mode) == DMA_GATHER_SCATTER) ? (1 << 7) : 0)
     21
     22enum req_type {
     23	AE_CORE_REQ,
     24	SE_CORE_REQ,
     25};
     26
     27enum cipher_type {
     28	DES3_CBC = 0x1,
     29	DES3_ECB = 0x2,
     30	AES_CBC = 0x3,
     31	AES_ECB = 0x4,
     32	AES_CFB = 0x5,
     33	AES_CTR = 0x6,
     34	AES_GCM = 0x7,
     35	AES_XTS = 0x8
     36};
     37
     38enum aes_type {
     39	AES_128_BIT = 0x1,
     40	AES_192_BIT = 0x2,
     41	AES_256_BIT = 0x3
     42};
     43
     44union encr_ctrl {
     45	u64 flags;
     46	struct {
     47#if defined(__BIG_ENDIAN_BITFIELD)
     48		u64 enc_cipher:4;
     49		u64 reserved1:1;
     50		u64 aes_key:2;
     51		u64 iv_source:1;
     52		u64 hash_type:4;
     53		u64 reserved2:3;
     54		u64 auth_input_type:1;
     55		u64 mac_len:8;
     56		u64 reserved3:8;
     57		u64 encr_offset:16;
     58		u64 iv_offset:8;
     59		u64 auth_offset:8;
     60#else
     61		u64 auth_offset:8;
     62		u64 iv_offset:8;
     63		u64 encr_offset:16;
     64		u64 reserved3:8;
     65		u64 mac_len:8;
     66		u64 auth_input_type:1;
     67		u64 reserved2:3;
     68		u64 hash_type:4;
     69		u64 iv_source:1;
     70		u64 aes_key:2;
     71		u64 reserved1:1;
     72		u64 enc_cipher:4;
     73#endif
     74	} e;
     75};
     76
     77struct cvm_cipher {
     78	const char *name;
     79	u8 value;
     80};
     81
     82struct enc_context {
     83	union encr_ctrl enc_ctrl;
     84	u8 encr_key[32];
     85	u8 encr_iv[16];
     86};
     87
     88struct fchmac_context {
     89	u8 ipad[64];
     90	u8 opad[64]; /* or OPAD */
     91};
     92
     93struct fc_context {
     94	struct enc_context enc;
     95	struct fchmac_context hmac;
     96};
     97
     98struct cvm_enc_ctx {
     99	u32 key_len;
    100	u8 enc_key[MAX_KEY_SIZE];
    101	u8 cipher_type:4;
    102	u8 key_type:2;
    103};
    104
    105struct cvm_des3_ctx {
    106	u32 key_len;
    107	u8 des3_key[MAX_KEY_SIZE];
    108};
    109
    110struct cvm_req_ctx {
    111	struct cpt_request_info cpt_req;
    112	u64 control_word;
    113	struct fc_context fctx;
    114};
    115
    116int cptvf_do_request(void *cptvf, struct cpt_request_info *req);
    117#endif /*_CPTVF_ALGS_H_*/