18c2ecf20Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0
28c2ecf20Sopenharmony_ci * Marvell OcteonTX CPT driver
38c2ecf20Sopenharmony_ci *
48c2ecf20Sopenharmony_ci * Copyright (C) 2019 Marvell International Ltd.
58c2ecf20Sopenharmony_ci *
68c2ecf20Sopenharmony_ci * This program is free software; you can redistribute it and/or modify
78c2ecf20Sopenharmony_ci * it under the terms of the GNU General Public License version 2 as
88c2ecf20Sopenharmony_ci * published by the Free Software Foundation.
98c2ecf20Sopenharmony_ci */
108c2ecf20Sopenharmony_ci
118c2ecf20Sopenharmony_ci#ifndef __OTX_CPT_ALGS_H
128c2ecf20Sopenharmony_ci#define __OTX_CPT_ALGS_H
138c2ecf20Sopenharmony_ci
148c2ecf20Sopenharmony_ci#include <crypto/hash.h>
158c2ecf20Sopenharmony_ci#include "otx_cpt_common.h"
168c2ecf20Sopenharmony_ci
178c2ecf20Sopenharmony_ci#define OTX_CPT_MAX_ENC_KEY_SIZE    32
188c2ecf20Sopenharmony_ci#define OTX_CPT_MAX_HASH_KEY_SIZE   64
198c2ecf20Sopenharmony_ci#define OTX_CPT_MAX_KEY_SIZE (OTX_CPT_MAX_ENC_KEY_SIZE + \
208c2ecf20Sopenharmony_ci			      OTX_CPT_MAX_HASH_KEY_SIZE)
218c2ecf20Sopenharmony_cienum otx_cpt_request_type {
228c2ecf20Sopenharmony_ci	OTX_CPT_ENC_DEC_REQ            = 0x1,
238c2ecf20Sopenharmony_ci	OTX_CPT_AEAD_ENC_DEC_REQ       = 0x2,
248c2ecf20Sopenharmony_ci	OTX_CPT_AEAD_ENC_DEC_NULL_REQ  = 0x3,
258c2ecf20Sopenharmony_ci	OTX_CPT_PASSTHROUGH_REQ	       = 0x4
268c2ecf20Sopenharmony_ci};
278c2ecf20Sopenharmony_ci
288c2ecf20Sopenharmony_cienum otx_cpt_major_opcodes {
298c2ecf20Sopenharmony_ci	OTX_CPT_MAJOR_OP_MISC = 0x01,
308c2ecf20Sopenharmony_ci	OTX_CPT_MAJOR_OP_FC   = 0x33,
318c2ecf20Sopenharmony_ci	OTX_CPT_MAJOR_OP_HMAC = 0x35,
328c2ecf20Sopenharmony_ci};
338c2ecf20Sopenharmony_ci
348c2ecf20Sopenharmony_cienum otx_cpt_req_type {
358c2ecf20Sopenharmony_ci		OTX_CPT_AE_CORE_REQ,
368c2ecf20Sopenharmony_ci		OTX_CPT_SE_CORE_REQ
378c2ecf20Sopenharmony_ci};
388c2ecf20Sopenharmony_ci
398c2ecf20Sopenharmony_cienum otx_cpt_cipher_type {
408c2ecf20Sopenharmony_ci	OTX_CPT_CIPHER_NULL = 0x0,
418c2ecf20Sopenharmony_ci	OTX_CPT_DES3_CBC = 0x1,
428c2ecf20Sopenharmony_ci	OTX_CPT_DES3_ECB = 0x2,
438c2ecf20Sopenharmony_ci	OTX_CPT_AES_CBC  = 0x3,
448c2ecf20Sopenharmony_ci	OTX_CPT_AES_ECB  = 0x4,
458c2ecf20Sopenharmony_ci	OTX_CPT_AES_CFB  = 0x5,
468c2ecf20Sopenharmony_ci	OTX_CPT_AES_CTR  = 0x6,
478c2ecf20Sopenharmony_ci	OTX_CPT_AES_GCM  = 0x7,
488c2ecf20Sopenharmony_ci	OTX_CPT_AES_XTS  = 0x8
498c2ecf20Sopenharmony_ci};
508c2ecf20Sopenharmony_ci
518c2ecf20Sopenharmony_cienum otx_cpt_mac_type {
528c2ecf20Sopenharmony_ci	OTX_CPT_MAC_NULL = 0x0,
538c2ecf20Sopenharmony_ci	OTX_CPT_MD5      = 0x1,
548c2ecf20Sopenharmony_ci	OTX_CPT_SHA1     = 0x2,
558c2ecf20Sopenharmony_ci	OTX_CPT_SHA224   = 0x3,
568c2ecf20Sopenharmony_ci	OTX_CPT_SHA256   = 0x4,
578c2ecf20Sopenharmony_ci	OTX_CPT_SHA384   = 0x5,
588c2ecf20Sopenharmony_ci	OTX_CPT_SHA512   = 0x6,
598c2ecf20Sopenharmony_ci	OTX_CPT_GMAC     = 0x7
608c2ecf20Sopenharmony_ci};
618c2ecf20Sopenharmony_ci
628c2ecf20Sopenharmony_cienum otx_cpt_aes_key_len {
638c2ecf20Sopenharmony_ci	OTX_CPT_AES_128_BIT = 0x1,
648c2ecf20Sopenharmony_ci	OTX_CPT_AES_192_BIT = 0x2,
658c2ecf20Sopenharmony_ci	OTX_CPT_AES_256_BIT = 0x3
668c2ecf20Sopenharmony_ci};
678c2ecf20Sopenharmony_ci
688c2ecf20Sopenharmony_ciunion otx_cpt_encr_ctrl {
698c2ecf20Sopenharmony_ci	__be64 flags;
708c2ecf20Sopenharmony_ci	u64 cflags;
718c2ecf20Sopenharmony_ci	struct {
728c2ecf20Sopenharmony_ci#if defined(__BIG_ENDIAN_BITFIELD)
738c2ecf20Sopenharmony_ci		u64 enc_cipher:4;
748c2ecf20Sopenharmony_ci		u64 reserved1:1;
758c2ecf20Sopenharmony_ci		u64 aes_key:2;
768c2ecf20Sopenharmony_ci		u64 iv_source:1;
778c2ecf20Sopenharmony_ci		u64 mac_type:4;
788c2ecf20Sopenharmony_ci		u64 reserved2:3;
798c2ecf20Sopenharmony_ci		u64 auth_input_type:1;
808c2ecf20Sopenharmony_ci		u64 mac_len:8;
818c2ecf20Sopenharmony_ci		u64 reserved3:8;
828c2ecf20Sopenharmony_ci		u64 encr_offset:16;
838c2ecf20Sopenharmony_ci		u64 iv_offset:8;
848c2ecf20Sopenharmony_ci		u64 auth_offset:8;
858c2ecf20Sopenharmony_ci#else
868c2ecf20Sopenharmony_ci		u64 auth_offset:8;
878c2ecf20Sopenharmony_ci		u64 iv_offset:8;
888c2ecf20Sopenharmony_ci		u64 encr_offset:16;
898c2ecf20Sopenharmony_ci		u64 reserved3:8;
908c2ecf20Sopenharmony_ci		u64 mac_len:8;
918c2ecf20Sopenharmony_ci		u64 auth_input_type:1;
928c2ecf20Sopenharmony_ci		u64 reserved2:3;
938c2ecf20Sopenharmony_ci		u64 mac_type:4;
948c2ecf20Sopenharmony_ci		u64 iv_source:1;
958c2ecf20Sopenharmony_ci		u64 aes_key:2;
968c2ecf20Sopenharmony_ci		u64 reserved1:1;
978c2ecf20Sopenharmony_ci		u64 enc_cipher:4;
988c2ecf20Sopenharmony_ci#endif
998c2ecf20Sopenharmony_ci	} e;
1008c2ecf20Sopenharmony_ci};
1018c2ecf20Sopenharmony_ci
1028c2ecf20Sopenharmony_cistruct otx_cpt_cipher {
1038c2ecf20Sopenharmony_ci	const char *name;
1048c2ecf20Sopenharmony_ci	u8 value;
1058c2ecf20Sopenharmony_ci};
1068c2ecf20Sopenharmony_ci
1078c2ecf20Sopenharmony_cistruct otx_cpt_enc_context {
1088c2ecf20Sopenharmony_ci	union otx_cpt_encr_ctrl enc_ctrl;
1098c2ecf20Sopenharmony_ci	u8 encr_key[32];
1108c2ecf20Sopenharmony_ci	u8 encr_iv[16];
1118c2ecf20Sopenharmony_ci};
1128c2ecf20Sopenharmony_ci
1138c2ecf20Sopenharmony_ciunion otx_cpt_fchmac_ctx {
1148c2ecf20Sopenharmony_ci	struct {
1158c2ecf20Sopenharmony_ci		u8 ipad[64];
1168c2ecf20Sopenharmony_ci		u8 opad[64];
1178c2ecf20Sopenharmony_ci	} e;
1188c2ecf20Sopenharmony_ci	struct {
1198c2ecf20Sopenharmony_ci		u8 hmac_calc[64]; /* HMAC calculated */
1208c2ecf20Sopenharmony_ci		u8 hmac_recv[64]; /* HMAC received */
1218c2ecf20Sopenharmony_ci	} s;
1228c2ecf20Sopenharmony_ci};
1238c2ecf20Sopenharmony_ci
1248c2ecf20Sopenharmony_cistruct otx_cpt_fc_ctx {
1258c2ecf20Sopenharmony_ci	struct otx_cpt_enc_context enc;
1268c2ecf20Sopenharmony_ci	union otx_cpt_fchmac_ctx hmac;
1278c2ecf20Sopenharmony_ci};
1288c2ecf20Sopenharmony_ci
1298c2ecf20Sopenharmony_cistruct otx_cpt_enc_ctx {
1308c2ecf20Sopenharmony_ci	u32 key_len;
1318c2ecf20Sopenharmony_ci	u8 enc_key[OTX_CPT_MAX_KEY_SIZE];
1328c2ecf20Sopenharmony_ci	u8 cipher_type;
1338c2ecf20Sopenharmony_ci	u8 key_type;
1348c2ecf20Sopenharmony_ci};
1358c2ecf20Sopenharmony_ci
1368c2ecf20Sopenharmony_cistruct otx_cpt_des3_ctx {
1378c2ecf20Sopenharmony_ci	u32 key_len;
1388c2ecf20Sopenharmony_ci	u8 des3_key[OTX_CPT_MAX_KEY_SIZE];
1398c2ecf20Sopenharmony_ci};
1408c2ecf20Sopenharmony_ci
1418c2ecf20Sopenharmony_ciunion otx_cpt_offset_ctrl_word {
1428c2ecf20Sopenharmony_ci	__be64 flags;
1438c2ecf20Sopenharmony_ci	u64 cflags;
1448c2ecf20Sopenharmony_ci	struct {
1458c2ecf20Sopenharmony_ci#if defined(__BIG_ENDIAN_BITFIELD)
1468c2ecf20Sopenharmony_ci		u64 reserved:32;
1478c2ecf20Sopenharmony_ci		u64 enc_data_offset:16;
1488c2ecf20Sopenharmony_ci		u64 iv_offset:8;
1498c2ecf20Sopenharmony_ci		u64 auth_offset:8;
1508c2ecf20Sopenharmony_ci#else
1518c2ecf20Sopenharmony_ci		u64 auth_offset:8;
1528c2ecf20Sopenharmony_ci		u64 iv_offset:8;
1538c2ecf20Sopenharmony_ci		u64 enc_data_offset:16;
1548c2ecf20Sopenharmony_ci		u64 reserved:32;
1558c2ecf20Sopenharmony_ci#endif
1568c2ecf20Sopenharmony_ci	} e;
1578c2ecf20Sopenharmony_ci};
1588c2ecf20Sopenharmony_ci
1598c2ecf20Sopenharmony_cistruct otx_cpt_req_ctx {
1608c2ecf20Sopenharmony_ci	struct otx_cpt_req_info cpt_req;
1618c2ecf20Sopenharmony_ci	union otx_cpt_offset_ctrl_word ctrl_word;
1628c2ecf20Sopenharmony_ci	struct otx_cpt_fc_ctx fctx;
1638c2ecf20Sopenharmony_ci};
1648c2ecf20Sopenharmony_ci
1658c2ecf20Sopenharmony_cistruct otx_cpt_sdesc {
1668c2ecf20Sopenharmony_ci	struct shash_desc shash;
1678c2ecf20Sopenharmony_ci};
1688c2ecf20Sopenharmony_ci
1698c2ecf20Sopenharmony_cistruct otx_cpt_aead_ctx {
1708c2ecf20Sopenharmony_ci	u8 key[OTX_CPT_MAX_KEY_SIZE];
1718c2ecf20Sopenharmony_ci	struct crypto_shash *hashalg;
1728c2ecf20Sopenharmony_ci	struct otx_cpt_sdesc *sdesc;
1738c2ecf20Sopenharmony_ci	u8 *ipad;
1748c2ecf20Sopenharmony_ci	u8 *opad;
1758c2ecf20Sopenharmony_ci	u32 enc_key_len;
1768c2ecf20Sopenharmony_ci	u32 auth_key_len;
1778c2ecf20Sopenharmony_ci	u8 cipher_type;
1788c2ecf20Sopenharmony_ci	u8 mac_type;
1798c2ecf20Sopenharmony_ci	u8 key_type;
1808c2ecf20Sopenharmony_ci	u8 is_trunc_hmac;
1818c2ecf20Sopenharmony_ci};
1828c2ecf20Sopenharmony_ciint otx_cpt_crypto_init(struct pci_dev *pdev, struct module *mod,
1838c2ecf20Sopenharmony_ci			enum otx_cptpf_type pf_type,
1848c2ecf20Sopenharmony_ci			enum otx_cptvf_type engine_type,
1858c2ecf20Sopenharmony_ci			int num_queues, int num_devices);
1868c2ecf20Sopenharmony_civoid otx_cpt_crypto_exit(struct pci_dev *pdev, struct module *mod,
1878c2ecf20Sopenharmony_ci			 enum otx_cptvf_type engine_type);
1888c2ecf20Sopenharmony_civoid otx_cpt_callback(int status, void *arg, void *req);
1898c2ecf20Sopenharmony_ci
1908c2ecf20Sopenharmony_ci#endif /* __OTX_CPT_ALGS_H */
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