163ee04c8SGilad Ben-Yossef // SPDX-License-Identifier: GPL-2.0 263ee04c8SGilad Ben-Yossef /* Copyright (C) 2012-2018 ARM Limited or its affiliates. */ 363ee04c8SGilad Ben-Yossef 463ee04c8SGilad Ben-Yossef #include <linux/kernel.h> 563ee04c8SGilad Ben-Yossef #include <linux/module.h> 663ee04c8SGilad Ben-Yossef #include <crypto/algapi.h> 763ee04c8SGilad Ben-Yossef #include <crypto/internal/skcipher.h> 863ee04c8SGilad Ben-Yossef #include <crypto/des.h> 963ee04c8SGilad Ben-Yossef #include <crypto/xts.h> 1063ee04c8SGilad Ben-Yossef #include <crypto/scatterwalk.h> 1163ee04c8SGilad Ben-Yossef 1263ee04c8SGilad Ben-Yossef #include "cc_driver.h" 1363ee04c8SGilad Ben-Yossef #include "cc_lli_defs.h" 1463ee04c8SGilad Ben-Yossef #include "cc_buffer_mgr.h" 1563ee04c8SGilad Ben-Yossef #include "cc_cipher.h" 1663ee04c8SGilad Ben-Yossef #include "cc_request_mgr.h" 1763ee04c8SGilad Ben-Yossef 1863ee04c8SGilad Ben-Yossef #define MAX_ABLKCIPHER_SEQ_LEN 6 1963ee04c8SGilad Ben-Yossef 2063ee04c8SGilad Ben-Yossef #define template_skcipher template_u.skcipher 2163ee04c8SGilad Ben-Yossef 2263ee04c8SGilad Ben-Yossef #define CC_MIN_AES_XTS_SIZE 0x10 2363ee04c8SGilad Ben-Yossef #define CC_MAX_AES_XTS_SIZE 0x2000 2463ee04c8SGilad Ben-Yossef struct cc_cipher_handle { 2563ee04c8SGilad Ben-Yossef struct list_head alg_list; 2663ee04c8SGilad Ben-Yossef }; 2763ee04c8SGilad Ben-Yossef 2863ee04c8SGilad Ben-Yossef struct cc_user_key_info { 2963ee04c8SGilad Ben-Yossef u8 *key; 3063ee04c8SGilad Ben-Yossef dma_addr_t key_dma_addr; 3163ee04c8SGilad Ben-Yossef }; 3263ee04c8SGilad Ben-Yossef 3363ee04c8SGilad Ben-Yossef struct cc_hw_key_info { 3463ee04c8SGilad Ben-Yossef enum cc_hw_crypto_key key1_slot; 3563ee04c8SGilad Ben-Yossef enum cc_hw_crypto_key key2_slot; 3663ee04c8SGilad Ben-Yossef }; 3763ee04c8SGilad Ben-Yossef 3863ee04c8SGilad Ben-Yossef struct cc_cipher_ctx { 3963ee04c8SGilad Ben-Yossef struct cc_drvdata *drvdata; 4063ee04c8SGilad Ben-Yossef int keylen; 4163ee04c8SGilad Ben-Yossef int key_round_number; 4263ee04c8SGilad Ben-Yossef int cipher_mode; 4363ee04c8SGilad Ben-Yossef int flow_mode; 4463ee04c8SGilad Ben-Yossef unsigned int flags; 45a794d8d8SGilad Ben-Yossef bool hw_key; 4663ee04c8SGilad Ben-Yossef struct cc_user_key_info user; 4763ee04c8SGilad Ben-Yossef struct cc_hw_key_info hw; 4863ee04c8SGilad Ben-Yossef struct crypto_shash *shash_tfm; 4963ee04c8SGilad Ben-Yossef }; 5063ee04c8SGilad Ben-Yossef 5163ee04c8SGilad Ben-Yossef static void cc_cipher_complete(struct device *dev, void *cc_req, int err); 5263ee04c8SGilad Ben-Yossef 53a794d8d8SGilad Ben-Yossef static inline bool cc_is_hw_key(struct crypto_tfm *tfm) 54a794d8d8SGilad Ben-Yossef { 55a794d8d8SGilad Ben-Yossef struct cc_cipher_ctx *ctx_p = crypto_tfm_ctx(tfm); 56a794d8d8SGilad Ben-Yossef 57a794d8d8SGilad Ben-Yossef return ctx_p->hw_key; 58a794d8d8SGilad Ben-Yossef } 59a794d8d8SGilad Ben-Yossef 6063ee04c8SGilad Ben-Yossef static int validate_keys_sizes(struct cc_cipher_ctx *ctx_p, u32 size) 6163ee04c8SGilad Ben-Yossef { 6263ee04c8SGilad Ben-Yossef switch (ctx_p->flow_mode) { 6363ee04c8SGilad Ben-Yossef case S_DIN_to_AES: 6463ee04c8SGilad Ben-Yossef switch (size) { 6563ee04c8SGilad Ben-Yossef case CC_AES_128_BIT_KEY_SIZE: 6663ee04c8SGilad Ben-Yossef case CC_AES_192_BIT_KEY_SIZE: 6763ee04c8SGilad Ben-Yossef if (ctx_p->cipher_mode != DRV_CIPHER_XTS && 6863ee04c8SGilad Ben-Yossef ctx_p->cipher_mode != DRV_CIPHER_ESSIV && 6963ee04c8SGilad Ben-Yossef ctx_p->cipher_mode != DRV_CIPHER_BITLOCKER) 7063ee04c8SGilad Ben-Yossef return 0; 7163ee04c8SGilad Ben-Yossef break; 7263ee04c8SGilad Ben-Yossef case CC_AES_256_BIT_KEY_SIZE: 7363ee04c8SGilad Ben-Yossef return 0; 7463ee04c8SGilad Ben-Yossef case (CC_AES_192_BIT_KEY_SIZE * 2): 7563ee04c8SGilad Ben-Yossef case (CC_AES_256_BIT_KEY_SIZE * 2): 7663ee04c8SGilad Ben-Yossef if (ctx_p->cipher_mode == DRV_CIPHER_XTS || 7763ee04c8SGilad Ben-Yossef ctx_p->cipher_mode == DRV_CIPHER_ESSIV || 7863ee04c8SGilad Ben-Yossef ctx_p->cipher_mode == DRV_CIPHER_BITLOCKER) 7963ee04c8SGilad Ben-Yossef return 0; 8063ee04c8SGilad Ben-Yossef break; 8163ee04c8SGilad Ben-Yossef default: 8263ee04c8SGilad Ben-Yossef break; 8363ee04c8SGilad Ben-Yossef } 8463ee04c8SGilad Ben-Yossef case S_DIN_to_DES: 8563ee04c8SGilad Ben-Yossef if (size == DES3_EDE_KEY_SIZE || size == DES_KEY_SIZE) 8663ee04c8SGilad Ben-Yossef return 0; 8763ee04c8SGilad Ben-Yossef break; 8863ee04c8SGilad Ben-Yossef default: 8963ee04c8SGilad Ben-Yossef break; 9063ee04c8SGilad Ben-Yossef } 9163ee04c8SGilad Ben-Yossef return -EINVAL; 9263ee04c8SGilad Ben-Yossef } 9363ee04c8SGilad Ben-Yossef 9463ee04c8SGilad Ben-Yossef static int validate_data_size(struct cc_cipher_ctx *ctx_p, 9563ee04c8SGilad Ben-Yossef unsigned int size) 9663ee04c8SGilad Ben-Yossef { 9763ee04c8SGilad Ben-Yossef switch (ctx_p->flow_mode) { 9863ee04c8SGilad Ben-Yossef case S_DIN_to_AES: 9963ee04c8SGilad Ben-Yossef switch (ctx_p->cipher_mode) { 10063ee04c8SGilad Ben-Yossef case DRV_CIPHER_XTS: 10163ee04c8SGilad Ben-Yossef if (size >= CC_MIN_AES_XTS_SIZE && 10263ee04c8SGilad Ben-Yossef size <= CC_MAX_AES_XTS_SIZE && 10363ee04c8SGilad Ben-Yossef IS_ALIGNED(size, AES_BLOCK_SIZE)) 10463ee04c8SGilad Ben-Yossef return 0; 10563ee04c8SGilad Ben-Yossef break; 10663ee04c8SGilad Ben-Yossef case DRV_CIPHER_CBC_CTS: 10763ee04c8SGilad Ben-Yossef if (size >= AES_BLOCK_SIZE) 10863ee04c8SGilad Ben-Yossef return 0; 10963ee04c8SGilad Ben-Yossef break; 11063ee04c8SGilad Ben-Yossef case DRV_CIPHER_OFB: 11163ee04c8SGilad Ben-Yossef case DRV_CIPHER_CTR: 11263ee04c8SGilad Ben-Yossef return 0; 11363ee04c8SGilad Ben-Yossef case DRV_CIPHER_ECB: 11463ee04c8SGilad Ben-Yossef case DRV_CIPHER_CBC: 11563ee04c8SGilad Ben-Yossef case DRV_CIPHER_ESSIV: 11663ee04c8SGilad Ben-Yossef case DRV_CIPHER_BITLOCKER: 11763ee04c8SGilad Ben-Yossef if (IS_ALIGNED(size, AES_BLOCK_SIZE)) 11863ee04c8SGilad Ben-Yossef return 0; 11963ee04c8SGilad Ben-Yossef break; 12063ee04c8SGilad Ben-Yossef default: 12163ee04c8SGilad Ben-Yossef break; 12263ee04c8SGilad Ben-Yossef } 12363ee04c8SGilad Ben-Yossef break; 12463ee04c8SGilad Ben-Yossef case S_DIN_to_DES: 12563ee04c8SGilad Ben-Yossef if (IS_ALIGNED(size, DES_BLOCK_SIZE)) 12663ee04c8SGilad Ben-Yossef return 0; 12763ee04c8SGilad Ben-Yossef break; 12863ee04c8SGilad Ben-Yossef default: 12963ee04c8SGilad Ben-Yossef break; 13063ee04c8SGilad Ben-Yossef } 13163ee04c8SGilad Ben-Yossef return -EINVAL; 13263ee04c8SGilad Ben-Yossef } 13363ee04c8SGilad Ben-Yossef 13463ee04c8SGilad Ben-Yossef static int cc_cipher_init(struct crypto_tfm *tfm) 13563ee04c8SGilad Ben-Yossef { 13663ee04c8SGilad Ben-Yossef struct cc_cipher_ctx *ctx_p = crypto_tfm_ctx(tfm); 13763ee04c8SGilad Ben-Yossef struct cc_crypto_alg *cc_alg = 13863ee04c8SGilad Ben-Yossef container_of(tfm->__crt_alg, struct cc_crypto_alg, 13963ee04c8SGilad Ben-Yossef skcipher_alg.base); 14063ee04c8SGilad Ben-Yossef struct device *dev = drvdata_to_dev(cc_alg->drvdata); 14163ee04c8SGilad Ben-Yossef unsigned int max_key_buf_size = cc_alg->skcipher_alg.max_keysize; 14263ee04c8SGilad Ben-Yossef int rc = 0; 14363ee04c8SGilad Ben-Yossef 14463ee04c8SGilad Ben-Yossef dev_dbg(dev, "Initializing context @%p for %s\n", ctx_p, 14563ee04c8SGilad Ben-Yossef crypto_tfm_alg_name(tfm)); 14663ee04c8SGilad Ben-Yossef 14763ee04c8SGilad Ben-Yossef crypto_skcipher_set_reqsize(__crypto_skcipher_cast(tfm), 14863ee04c8SGilad Ben-Yossef sizeof(struct cipher_req_ctx)); 14963ee04c8SGilad Ben-Yossef 15063ee04c8SGilad Ben-Yossef ctx_p->cipher_mode = cc_alg->cipher_mode; 15163ee04c8SGilad Ben-Yossef ctx_p->flow_mode = cc_alg->flow_mode; 15263ee04c8SGilad Ben-Yossef ctx_p->drvdata = cc_alg->drvdata; 15363ee04c8SGilad Ben-Yossef 15463ee04c8SGilad Ben-Yossef /* Allocate key buffer, cache line aligned */ 15563ee04c8SGilad Ben-Yossef ctx_p->user.key = kmalloc(max_key_buf_size, GFP_KERNEL); 15663ee04c8SGilad Ben-Yossef if (!ctx_p->user.key) 15763ee04c8SGilad Ben-Yossef return -ENOMEM; 15863ee04c8SGilad Ben-Yossef 15963ee04c8SGilad Ben-Yossef dev_dbg(dev, "Allocated key buffer in context. key=@%p\n", 16063ee04c8SGilad Ben-Yossef ctx_p->user.key); 16163ee04c8SGilad Ben-Yossef 16263ee04c8SGilad Ben-Yossef /* Map key buffer */ 16363ee04c8SGilad Ben-Yossef ctx_p->user.key_dma_addr = dma_map_single(dev, (void *)ctx_p->user.key, 16463ee04c8SGilad Ben-Yossef max_key_buf_size, 16563ee04c8SGilad Ben-Yossef DMA_TO_DEVICE); 16663ee04c8SGilad Ben-Yossef if (dma_mapping_error(dev, ctx_p->user.key_dma_addr)) { 16763ee04c8SGilad Ben-Yossef dev_err(dev, "Mapping Key %u B at va=%pK for DMA failed\n", 16863ee04c8SGilad Ben-Yossef max_key_buf_size, ctx_p->user.key); 16963ee04c8SGilad Ben-Yossef return -ENOMEM; 17063ee04c8SGilad Ben-Yossef } 17163ee04c8SGilad Ben-Yossef dev_dbg(dev, "Mapped key %u B at va=%pK to dma=%pad\n", 17263ee04c8SGilad Ben-Yossef max_key_buf_size, ctx_p->user.key, &ctx_p->user.key_dma_addr); 17363ee04c8SGilad Ben-Yossef 17463ee04c8SGilad Ben-Yossef if (ctx_p->cipher_mode == DRV_CIPHER_ESSIV) { 17563ee04c8SGilad Ben-Yossef /* Alloc hash tfm for essiv */ 17663ee04c8SGilad Ben-Yossef ctx_p->shash_tfm = crypto_alloc_shash("sha256-generic", 0, 0); 17763ee04c8SGilad Ben-Yossef if (IS_ERR(ctx_p->shash_tfm)) { 17863ee04c8SGilad Ben-Yossef dev_err(dev, "Error allocating hash tfm for ESSIV.\n"); 17963ee04c8SGilad Ben-Yossef return PTR_ERR(ctx_p->shash_tfm); 18063ee04c8SGilad Ben-Yossef } 18163ee04c8SGilad Ben-Yossef } 18263ee04c8SGilad Ben-Yossef 18363ee04c8SGilad Ben-Yossef return rc; 18463ee04c8SGilad Ben-Yossef } 18563ee04c8SGilad Ben-Yossef 18663ee04c8SGilad Ben-Yossef static void cc_cipher_exit(struct crypto_tfm *tfm) 18763ee04c8SGilad Ben-Yossef { 18863ee04c8SGilad Ben-Yossef struct crypto_alg *alg = tfm->__crt_alg; 18963ee04c8SGilad Ben-Yossef struct cc_crypto_alg *cc_alg = 19063ee04c8SGilad Ben-Yossef container_of(alg, struct cc_crypto_alg, 19163ee04c8SGilad Ben-Yossef skcipher_alg.base); 19263ee04c8SGilad Ben-Yossef unsigned int max_key_buf_size = cc_alg->skcipher_alg.max_keysize; 19363ee04c8SGilad Ben-Yossef struct cc_cipher_ctx *ctx_p = crypto_tfm_ctx(tfm); 19463ee04c8SGilad Ben-Yossef struct device *dev = drvdata_to_dev(ctx_p->drvdata); 19563ee04c8SGilad Ben-Yossef 19663ee04c8SGilad Ben-Yossef dev_dbg(dev, "Clearing context @%p for %s\n", 19763ee04c8SGilad Ben-Yossef crypto_tfm_ctx(tfm), crypto_tfm_alg_name(tfm)); 19863ee04c8SGilad Ben-Yossef 19963ee04c8SGilad Ben-Yossef if (ctx_p->cipher_mode == DRV_CIPHER_ESSIV) { 20063ee04c8SGilad Ben-Yossef /* Free hash tfm for essiv */ 20163ee04c8SGilad Ben-Yossef crypto_free_shash(ctx_p->shash_tfm); 20263ee04c8SGilad Ben-Yossef ctx_p->shash_tfm = NULL; 20363ee04c8SGilad Ben-Yossef } 20463ee04c8SGilad Ben-Yossef 20563ee04c8SGilad Ben-Yossef /* Unmap key buffer */ 20663ee04c8SGilad Ben-Yossef dma_unmap_single(dev, ctx_p->user.key_dma_addr, max_key_buf_size, 20763ee04c8SGilad Ben-Yossef DMA_TO_DEVICE); 20863ee04c8SGilad Ben-Yossef dev_dbg(dev, "Unmapped key buffer key_dma_addr=%pad\n", 20963ee04c8SGilad Ben-Yossef &ctx_p->user.key_dma_addr); 21063ee04c8SGilad Ben-Yossef 21163ee04c8SGilad Ben-Yossef /* Free key buffer in context */ 21263ee04c8SGilad Ben-Yossef kzfree(ctx_p->user.key); 21363ee04c8SGilad Ben-Yossef dev_dbg(dev, "Free key buffer in context. key=@%p\n", ctx_p->user.key); 21463ee04c8SGilad Ben-Yossef } 21563ee04c8SGilad Ben-Yossef 21663ee04c8SGilad Ben-Yossef struct tdes_keys { 21763ee04c8SGilad Ben-Yossef u8 key1[DES_KEY_SIZE]; 21863ee04c8SGilad Ben-Yossef u8 key2[DES_KEY_SIZE]; 21963ee04c8SGilad Ben-Yossef u8 key3[DES_KEY_SIZE]; 22063ee04c8SGilad Ben-Yossef }; 22163ee04c8SGilad Ben-Yossef 222a794d8d8SGilad Ben-Yossef static enum cc_hw_crypto_key cc_slot_to_hw_key(int slot_num) 22363ee04c8SGilad Ben-Yossef { 22463ee04c8SGilad Ben-Yossef switch (slot_num) { 22563ee04c8SGilad Ben-Yossef case 0: 22663ee04c8SGilad Ben-Yossef return KFDE0_KEY; 22763ee04c8SGilad Ben-Yossef case 1: 22863ee04c8SGilad Ben-Yossef return KFDE1_KEY; 22963ee04c8SGilad Ben-Yossef case 2: 23063ee04c8SGilad Ben-Yossef return KFDE2_KEY; 23163ee04c8SGilad Ben-Yossef case 3: 23263ee04c8SGilad Ben-Yossef return KFDE3_KEY; 23363ee04c8SGilad Ben-Yossef } 23463ee04c8SGilad Ben-Yossef return END_OF_KEYS; 23563ee04c8SGilad Ben-Yossef } 23663ee04c8SGilad Ben-Yossef 237a794d8d8SGilad Ben-Yossef static int cc_cipher_sethkey(struct crypto_skcipher *sktfm, const u8 *key, 238a794d8d8SGilad Ben-Yossef unsigned int keylen) 239a794d8d8SGilad Ben-Yossef { 240a794d8d8SGilad Ben-Yossef struct crypto_tfm *tfm = crypto_skcipher_tfm(sktfm); 241a794d8d8SGilad Ben-Yossef struct cc_cipher_ctx *ctx_p = crypto_tfm_ctx(tfm); 242a794d8d8SGilad Ben-Yossef struct device *dev = drvdata_to_dev(ctx_p->drvdata); 243a794d8d8SGilad Ben-Yossef struct cc_hkey_info hki; 244a794d8d8SGilad Ben-Yossef 245a794d8d8SGilad Ben-Yossef dev_dbg(dev, "Setting HW key in context @%p for %s. keylen=%u\n", 246a794d8d8SGilad Ben-Yossef ctx_p, crypto_tfm_alg_name(tfm), keylen); 247a794d8d8SGilad Ben-Yossef dump_byte_array("key", (u8 *)key, keylen); 248a794d8d8SGilad Ben-Yossef 249a794d8d8SGilad Ben-Yossef /* STAT_PHASE_0: Init and sanity checks */ 250a794d8d8SGilad Ben-Yossef 251a794d8d8SGilad Ben-Yossef /* This check the size of the hardware key token */ 252a794d8d8SGilad Ben-Yossef if (keylen != sizeof(hki)) { 253a794d8d8SGilad Ben-Yossef dev_err(dev, "Unsupported HW key size %d.\n", keylen); 254a794d8d8SGilad Ben-Yossef crypto_tfm_set_flags(tfm, CRYPTO_TFM_RES_BAD_KEY_LEN); 255a794d8d8SGilad Ben-Yossef return -EINVAL; 256a794d8d8SGilad Ben-Yossef } 257a794d8d8SGilad Ben-Yossef 258a794d8d8SGilad Ben-Yossef if (ctx_p->flow_mode != S_DIN_to_AES) { 259a794d8d8SGilad Ben-Yossef dev_err(dev, "HW key not supported for non-AES flows\n"); 260a794d8d8SGilad Ben-Yossef return -EINVAL; 261a794d8d8SGilad Ben-Yossef } 262a794d8d8SGilad Ben-Yossef 263a794d8d8SGilad Ben-Yossef memcpy(&hki, key, keylen); 264a794d8d8SGilad Ben-Yossef 265a794d8d8SGilad Ben-Yossef /* The real key len for crypto op is the size of the HW key 266a794d8d8SGilad Ben-Yossef * referenced by the HW key slot, not the hardware key token 267a794d8d8SGilad Ben-Yossef */ 268a794d8d8SGilad Ben-Yossef keylen = hki.keylen; 269a794d8d8SGilad Ben-Yossef 270a794d8d8SGilad Ben-Yossef if (validate_keys_sizes(ctx_p, keylen)) { 271a794d8d8SGilad Ben-Yossef dev_err(dev, "Unsupported key size %d.\n", keylen); 272a794d8d8SGilad Ben-Yossef crypto_tfm_set_flags(tfm, CRYPTO_TFM_RES_BAD_KEY_LEN); 273a794d8d8SGilad Ben-Yossef return -EINVAL; 274a794d8d8SGilad Ben-Yossef } 275a794d8d8SGilad Ben-Yossef 276a794d8d8SGilad Ben-Yossef ctx_p->hw.key1_slot = cc_slot_to_hw_key(hki.hw_key1); 277a794d8d8SGilad Ben-Yossef if (ctx_p->hw.key1_slot == END_OF_KEYS) { 278a794d8d8SGilad Ben-Yossef dev_err(dev, "Unsupported hw key1 number (%d)\n", hki.hw_key1); 279a794d8d8SGilad Ben-Yossef return -EINVAL; 280a794d8d8SGilad Ben-Yossef } 281a794d8d8SGilad Ben-Yossef 282a794d8d8SGilad Ben-Yossef if (ctx_p->cipher_mode == DRV_CIPHER_XTS || 283a794d8d8SGilad Ben-Yossef ctx_p->cipher_mode == DRV_CIPHER_ESSIV || 284a794d8d8SGilad Ben-Yossef ctx_p->cipher_mode == DRV_CIPHER_BITLOCKER) { 285a794d8d8SGilad Ben-Yossef if (hki.hw_key1 == hki.hw_key2) { 286a794d8d8SGilad Ben-Yossef dev_err(dev, "Illegal hw key numbers (%d,%d)\n", 287a794d8d8SGilad Ben-Yossef hki.hw_key1, hki.hw_key2); 288a794d8d8SGilad Ben-Yossef return -EINVAL; 289a794d8d8SGilad Ben-Yossef } 290a794d8d8SGilad Ben-Yossef ctx_p->hw.key2_slot = cc_slot_to_hw_key(hki.hw_key2); 291a794d8d8SGilad Ben-Yossef if (ctx_p->hw.key2_slot == END_OF_KEYS) { 292a794d8d8SGilad Ben-Yossef dev_err(dev, "Unsupported hw key2 number (%d)\n", 293a794d8d8SGilad Ben-Yossef hki.hw_key2); 294a794d8d8SGilad Ben-Yossef return -EINVAL; 295a794d8d8SGilad Ben-Yossef } 296a794d8d8SGilad Ben-Yossef } 297a794d8d8SGilad Ben-Yossef 298a794d8d8SGilad Ben-Yossef ctx_p->keylen = keylen; 299a794d8d8SGilad Ben-Yossef ctx_p->hw_key = true; 300a794d8d8SGilad Ben-Yossef dev_dbg(dev, "cc_is_hw_key ret 0"); 301a794d8d8SGilad Ben-Yossef 302a794d8d8SGilad Ben-Yossef return 0; 303a794d8d8SGilad Ben-Yossef } 304a794d8d8SGilad Ben-Yossef 30563ee04c8SGilad Ben-Yossef static int cc_cipher_setkey(struct crypto_skcipher *sktfm, const u8 *key, 30663ee04c8SGilad Ben-Yossef unsigned int keylen) 30763ee04c8SGilad Ben-Yossef { 30863ee04c8SGilad Ben-Yossef struct crypto_tfm *tfm = crypto_skcipher_tfm(sktfm); 30963ee04c8SGilad Ben-Yossef struct cc_cipher_ctx *ctx_p = crypto_tfm_ctx(tfm); 31063ee04c8SGilad Ben-Yossef struct device *dev = drvdata_to_dev(ctx_p->drvdata); 31163ee04c8SGilad Ben-Yossef u32 tmp[DES3_EDE_EXPKEY_WORDS]; 31263ee04c8SGilad Ben-Yossef struct cc_crypto_alg *cc_alg = 31363ee04c8SGilad Ben-Yossef container_of(tfm->__crt_alg, struct cc_crypto_alg, 31463ee04c8SGilad Ben-Yossef skcipher_alg.base); 31563ee04c8SGilad Ben-Yossef unsigned int max_key_buf_size = cc_alg->skcipher_alg.max_keysize; 31663ee04c8SGilad Ben-Yossef 31763ee04c8SGilad Ben-Yossef dev_dbg(dev, "Setting key in context @%p for %s. keylen=%u\n", 31863ee04c8SGilad Ben-Yossef ctx_p, crypto_tfm_alg_name(tfm), keylen); 31963ee04c8SGilad Ben-Yossef dump_byte_array("key", (u8 *)key, keylen); 32063ee04c8SGilad Ben-Yossef 32163ee04c8SGilad Ben-Yossef /* STAT_PHASE_0: Init and sanity checks */ 32263ee04c8SGilad Ben-Yossef 32363ee04c8SGilad Ben-Yossef if (validate_keys_sizes(ctx_p, keylen)) { 32463ee04c8SGilad Ben-Yossef dev_err(dev, "Unsupported key size %d.\n", keylen); 32563ee04c8SGilad Ben-Yossef crypto_tfm_set_flags(tfm, CRYPTO_TFM_RES_BAD_KEY_LEN); 32663ee04c8SGilad Ben-Yossef return -EINVAL; 32763ee04c8SGilad Ben-Yossef } 32863ee04c8SGilad Ben-Yossef 329a794d8d8SGilad Ben-Yossef ctx_p->hw_key = false; 33063ee04c8SGilad Ben-Yossef 33163ee04c8SGilad Ben-Yossef /* 33263ee04c8SGilad Ben-Yossef * Verify DES weak keys 33363ee04c8SGilad Ben-Yossef * Note that we're dropping the expanded key since the 33463ee04c8SGilad Ben-Yossef * HW does the expansion on its own. 33563ee04c8SGilad Ben-Yossef */ 33663ee04c8SGilad Ben-Yossef if (ctx_p->flow_mode == S_DIN_to_DES) { 33763ee04c8SGilad Ben-Yossef if (keylen == DES3_EDE_KEY_SIZE && 33863ee04c8SGilad Ben-Yossef __des3_ede_setkey(tmp, &tfm->crt_flags, key, 33963ee04c8SGilad Ben-Yossef DES3_EDE_KEY_SIZE)) { 34063ee04c8SGilad Ben-Yossef dev_dbg(dev, "weak 3DES key"); 34163ee04c8SGilad Ben-Yossef return -EINVAL; 34263ee04c8SGilad Ben-Yossef } else if (!des_ekey(tmp, key) && 34363ee04c8SGilad Ben-Yossef (crypto_tfm_get_flags(tfm) & CRYPTO_TFM_REQ_WEAK_KEY)) { 34463ee04c8SGilad Ben-Yossef tfm->crt_flags |= CRYPTO_TFM_RES_WEAK_KEY; 34563ee04c8SGilad Ben-Yossef dev_dbg(dev, "weak DES key"); 34663ee04c8SGilad Ben-Yossef return -EINVAL; 34763ee04c8SGilad Ben-Yossef } 34863ee04c8SGilad Ben-Yossef } 34963ee04c8SGilad Ben-Yossef 35063ee04c8SGilad Ben-Yossef if (ctx_p->cipher_mode == DRV_CIPHER_XTS && 35163ee04c8SGilad Ben-Yossef xts_check_key(tfm, key, keylen)) { 35263ee04c8SGilad Ben-Yossef dev_dbg(dev, "weak XTS key"); 35363ee04c8SGilad Ben-Yossef return -EINVAL; 35463ee04c8SGilad Ben-Yossef } 35563ee04c8SGilad Ben-Yossef 35663ee04c8SGilad Ben-Yossef /* STAT_PHASE_1: Copy key to ctx */ 35763ee04c8SGilad Ben-Yossef dma_sync_single_for_cpu(dev, ctx_p->user.key_dma_addr, 35863ee04c8SGilad Ben-Yossef max_key_buf_size, DMA_TO_DEVICE); 35963ee04c8SGilad Ben-Yossef 36063ee04c8SGilad Ben-Yossef memcpy(ctx_p->user.key, key, keylen); 36163ee04c8SGilad Ben-Yossef if (keylen == 24) 36263ee04c8SGilad Ben-Yossef memset(ctx_p->user.key + 24, 0, CC_AES_KEY_SIZE_MAX - 24); 36363ee04c8SGilad Ben-Yossef 36463ee04c8SGilad Ben-Yossef if (ctx_p->cipher_mode == DRV_CIPHER_ESSIV) { 36563ee04c8SGilad Ben-Yossef /* sha256 for key2 - use sw implementation */ 36663ee04c8SGilad Ben-Yossef int key_len = keylen >> 1; 36763ee04c8SGilad Ben-Yossef int err; 36863ee04c8SGilad Ben-Yossef 36963ee04c8SGilad Ben-Yossef SHASH_DESC_ON_STACK(desc, ctx_p->shash_tfm); 37063ee04c8SGilad Ben-Yossef 37163ee04c8SGilad Ben-Yossef desc->tfm = ctx_p->shash_tfm; 37263ee04c8SGilad Ben-Yossef 37363ee04c8SGilad Ben-Yossef err = crypto_shash_digest(desc, ctx_p->user.key, key_len, 37463ee04c8SGilad Ben-Yossef ctx_p->user.key + key_len); 37563ee04c8SGilad Ben-Yossef if (err) { 37663ee04c8SGilad Ben-Yossef dev_err(dev, "Failed to hash ESSIV key.\n"); 37763ee04c8SGilad Ben-Yossef return err; 37863ee04c8SGilad Ben-Yossef } 37963ee04c8SGilad Ben-Yossef } 38063ee04c8SGilad Ben-Yossef dma_sync_single_for_device(dev, ctx_p->user.key_dma_addr, 38163ee04c8SGilad Ben-Yossef max_key_buf_size, DMA_TO_DEVICE); 38263ee04c8SGilad Ben-Yossef ctx_p->keylen = keylen; 38363ee04c8SGilad Ben-Yossef 38463ee04c8SGilad Ben-Yossef dev_dbg(dev, "return safely"); 38563ee04c8SGilad Ben-Yossef return 0; 38663ee04c8SGilad Ben-Yossef } 38763ee04c8SGilad Ben-Yossef 38863ee04c8SGilad Ben-Yossef static void cc_setup_cipher_desc(struct crypto_tfm *tfm, 38963ee04c8SGilad Ben-Yossef struct cipher_req_ctx *req_ctx, 39063ee04c8SGilad Ben-Yossef unsigned int ivsize, unsigned int nbytes, 39163ee04c8SGilad Ben-Yossef struct cc_hw_desc desc[], 39263ee04c8SGilad Ben-Yossef unsigned int *seq_size) 39363ee04c8SGilad Ben-Yossef { 39463ee04c8SGilad Ben-Yossef struct cc_cipher_ctx *ctx_p = crypto_tfm_ctx(tfm); 39563ee04c8SGilad Ben-Yossef struct device *dev = drvdata_to_dev(ctx_p->drvdata); 39663ee04c8SGilad Ben-Yossef int cipher_mode = ctx_p->cipher_mode; 39763ee04c8SGilad Ben-Yossef int flow_mode = ctx_p->flow_mode; 39863ee04c8SGilad Ben-Yossef int direction = req_ctx->gen_ctx.op_type; 39963ee04c8SGilad Ben-Yossef dma_addr_t key_dma_addr = ctx_p->user.key_dma_addr; 40063ee04c8SGilad Ben-Yossef unsigned int key_len = ctx_p->keylen; 40163ee04c8SGilad Ben-Yossef dma_addr_t iv_dma_addr = req_ctx->gen_ctx.iv_dma_addr; 40263ee04c8SGilad Ben-Yossef unsigned int du_size = nbytes; 40363ee04c8SGilad Ben-Yossef 40463ee04c8SGilad Ben-Yossef struct cc_crypto_alg *cc_alg = 40563ee04c8SGilad Ben-Yossef container_of(tfm->__crt_alg, struct cc_crypto_alg, 40663ee04c8SGilad Ben-Yossef skcipher_alg.base); 40763ee04c8SGilad Ben-Yossef 40863ee04c8SGilad Ben-Yossef if (cc_alg->data_unit) 40963ee04c8SGilad Ben-Yossef du_size = cc_alg->data_unit; 41063ee04c8SGilad Ben-Yossef 41163ee04c8SGilad Ben-Yossef switch (cipher_mode) { 41263ee04c8SGilad Ben-Yossef case DRV_CIPHER_CBC: 41363ee04c8SGilad Ben-Yossef case DRV_CIPHER_CBC_CTS: 41463ee04c8SGilad Ben-Yossef case DRV_CIPHER_CTR: 41563ee04c8SGilad Ben-Yossef case DRV_CIPHER_OFB: 41663ee04c8SGilad Ben-Yossef /* Load cipher state */ 41763ee04c8SGilad Ben-Yossef hw_desc_init(&desc[*seq_size]); 41863ee04c8SGilad Ben-Yossef set_din_type(&desc[*seq_size], DMA_DLLI, iv_dma_addr, ivsize, 41963ee04c8SGilad Ben-Yossef NS_BIT); 42063ee04c8SGilad Ben-Yossef set_cipher_config0(&desc[*seq_size], direction); 42163ee04c8SGilad Ben-Yossef set_flow_mode(&desc[*seq_size], flow_mode); 42263ee04c8SGilad Ben-Yossef set_cipher_mode(&desc[*seq_size], cipher_mode); 42363ee04c8SGilad Ben-Yossef if (cipher_mode == DRV_CIPHER_CTR || 42463ee04c8SGilad Ben-Yossef cipher_mode == DRV_CIPHER_OFB) { 42563ee04c8SGilad Ben-Yossef set_setup_mode(&desc[*seq_size], SETUP_LOAD_STATE1); 42663ee04c8SGilad Ben-Yossef } else { 42763ee04c8SGilad Ben-Yossef set_setup_mode(&desc[*seq_size], SETUP_LOAD_STATE0); 42863ee04c8SGilad Ben-Yossef } 42963ee04c8SGilad Ben-Yossef (*seq_size)++; 43063ee04c8SGilad Ben-Yossef /*FALLTHROUGH*/ 43163ee04c8SGilad Ben-Yossef case DRV_CIPHER_ECB: 43263ee04c8SGilad Ben-Yossef /* Load key */ 43363ee04c8SGilad Ben-Yossef hw_desc_init(&desc[*seq_size]); 43463ee04c8SGilad Ben-Yossef set_cipher_mode(&desc[*seq_size], cipher_mode); 43563ee04c8SGilad Ben-Yossef set_cipher_config0(&desc[*seq_size], direction); 43663ee04c8SGilad Ben-Yossef if (flow_mode == S_DIN_to_AES) { 43763ee04c8SGilad Ben-Yossef if (cc_is_hw_key(tfm)) { 43863ee04c8SGilad Ben-Yossef set_hw_crypto_key(&desc[*seq_size], 43963ee04c8SGilad Ben-Yossef ctx_p->hw.key1_slot); 44063ee04c8SGilad Ben-Yossef } else { 44163ee04c8SGilad Ben-Yossef set_din_type(&desc[*seq_size], DMA_DLLI, 44263ee04c8SGilad Ben-Yossef key_dma_addr, ((key_len == 24) ? 44363ee04c8SGilad Ben-Yossef AES_MAX_KEY_SIZE : 44463ee04c8SGilad Ben-Yossef key_len), NS_BIT); 44563ee04c8SGilad Ben-Yossef } 44663ee04c8SGilad Ben-Yossef set_key_size_aes(&desc[*seq_size], key_len); 44763ee04c8SGilad Ben-Yossef } else { 44863ee04c8SGilad Ben-Yossef /*des*/ 44963ee04c8SGilad Ben-Yossef set_din_type(&desc[*seq_size], DMA_DLLI, key_dma_addr, 45063ee04c8SGilad Ben-Yossef key_len, NS_BIT); 45163ee04c8SGilad Ben-Yossef set_key_size_des(&desc[*seq_size], key_len); 45263ee04c8SGilad Ben-Yossef } 45363ee04c8SGilad Ben-Yossef set_flow_mode(&desc[*seq_size], flow_mode); 45463ee04c8SGilad Ben-Yossef set_setup_mode(&desc[*seq_size], SETUP_LOAD_KEY0); 45563ee04c8SGilad Ben-Yossef (*seq_size)++; 45663ee04c8SGilad Ben-Yossef break; 45763ee04c8SGilad Ben-Yossef case DRV_CIPHER_XTS: 45863ee04c8SGilad Ben-Yossef case DRV_CIPHER_ESSIV: 45963ee04c8SGilad Ben-Yossef case DRV_CIPHER_BITLOCKER: 46063ee04c8SGilad Ben-Yossef /* Load AES key */ 46163ee04c8SGilad Ben-Yossef hw_desc_init(&desc[*seq_size]); 46263ee04c8SGilad Ben-Yossef set_cipher_mode(&desc[*seq_size], cipher_mode); 46363ee04c8SGilad Ben-Yossef set_cipher_config0(&desc[*seq_size], direction); 46463ee04c8SGilad Ben-Yossef if (cc_is_hw_key(tfm)) { 46563ee04c8SGilad Ben-Yossef set_hw_crypto_key(&desc[*seq_size], 46663ee04c8SGilad Ben-Yossef ctx_p->hw.key1_slot); 46763ee04c8SGilad Ben-Yossef } else { 46863ee04c8SGilad Ben-Yossef set_din_type(&desc[*seq_size], DMA_DLLI, key_dma_addr, 46963ee04c8SGilad Ben-Yossef (key_len / 2), NS_BIT); 47063ee04c8SGilad Ben-Yossef } 47163ee04c8SGilad Ben-Yossef set_key_size_aes(&desc[*seq_size], (key_len / 2)); 47263ee04c8SGilad Ben-Yossef set_flow_mode(&desc[*seq_size], flow_mode); 47363ee04c8SGilad Ben-Yossef set_setup_mode(&desc[*seq_size], SETUP_LOAD_KEY0); 47463ee04c8SGilad Ben-Yossef (*seq_size)++; 47563ee04c8SGilad Ben-Yossef 47663ee04c8SGilad Ben-Yossef /* load XEX key */ 47763ee04c8SGilad Ben-Yossef hw_desc_init(&desc[*seq_size]); 47863ee04c8SGilad Ben-Yossef set_cipher_mode(&desc[*seq_size], cipher_mode); 47963ee04c8SGilad Ben-Yossef set_cipher_config0(&desc[*seq_size], direction); 48063ee04c8SGilad Ben-Yossef if (cc_is_hw_key(tfm)) { 48163ee04c8SGilad Ben-Yossef set_hw_crypto_key(&desc[*seq_size], 48263ee04c8SGilad Ben-Yossef ctx_p->hw.key2_slot); 48363ee04c8SGilad Ben-Yossef } else { 48463ee04c8SGilad Ben-Yossef set_din_type(&desc[*seq_size], DMA_DLLI, 48563ee04c8SGilad Ben-Yossef (key_dma_addr + (key_len / 2)), 48663ee04c8SGilad Ben-Yossef (key_len / 2), NS_BIT); 48763ee04c8SGilad Ben-Yossef } 48863ee04c8SGilad Ben-Yossef set_xex_data_unit_size(&desc[*seq_size], du_size); 48963ee04c8SGilad Ben-Yossef set_flow_mode(&desc[*seq_size], S_DIN_to_AES2); 49063ee04c8SGilad Ben-Yossef set_key_size_aes(&desc[*seq_size], (key_len / 2)); 49163ee04c8SGilad Ben-Yossef set_setup_mode(&desc[*seq_size], SETUP_LOAD_XEX_KEY); 49263ee04c8SGilad Ben-Yossef (*seq_size)++; 49363ee04c8SGilad Ben-Yossef 49463ee04c8SGilad Ben-Yossef /* Set state */ 49563ee04c8SGilad Ben-Yossef hw_desc_init(&desc[*seq_size]); 49663ee04c8SGilad Ben-Yossef set_setup_mode(&desc[*seq_size], SETUP_LOAD_STATE1); 49763ee04c8SGilad Ben-Yossef set_cipher_mode(&desc[*seq_size], cipher_mode); 49863ee04c8SGilad Ben-Yossef set_cipher_config0(&desc[*seq_size], direction); 49963ee04c8SGilad Ben-Yossef set_key_size_aes(&desc[*seq_size], (key_len / 2)); 50063ee04c8SGilad Ben-Yossef set_flow_mode(&desc[*seq_size], flow_mode); 50163ee04c8SGilad Ben-Yossef set_din_type(&desc[*seq_size], DMA_DLLI, iv_dma_addr, 50263ee04c8SGilad Ben-Yossef CC_AES_BLOCK_SIZE, NS_BIT); 50363ee04c8SGilad Ben-Yossef (*seq_size)++; 50463ee04c8SGilad Ben-Yossef break; 50563ee04c8SGilad Ben-Yossef default: 50663ee04c8SGilad Ben-Yossef dev_err(dev, "Unsupported cipher mode (%d)\n", cipher_mode); 50763ee04c8SGilad Ben-Yossef } 50863ee04c8SGilad Ben-Yossef } 50963ee04c8SGilad Ben-Yossef 51063ee04c8SGilad Ben-Yossef static void cc_setup_cipher_data(struct crypto_tfm *tfm, 51163ee04c8SGilad Ben-Yossef struct cipher_req_ctx *req_ctx, 51263ee04c8SGilad Ben-Yossef struct scatterlist *dst, 51363ee04c8SGilad Ben-Yossef struct scatterlist *src, unsigned int nbytes, 51463ee04c8SGilad Ben-Yossef void *areq, struct cc_hw_desc desc[], 51563ee04c8SGilad Ben-Yossef unsigned int *seq_size) 51663ee04c8SGilad Ben-Yossef { 51763ee04c8SGilad Ben-Yossef struct cc_cipher_ctx *ctx_p = crypto_tfm_ctx(tfm); 51863ee04c8SGilad Ben-Yossef struct device *dev = drvdata_to_dev(ctx_p->drvdata); 51963ee04c8SGilad Ben-Yossef unsigned int flow_mode = ctx_p->flow_mode; 52063ee04c8SGilad Ben-Yossef 52163ee04c8SGilad Ben-Yossef switch (ctx_p->flow_mode) { 52263ee04c8SGilad Ben-Yossef case S_DIN_to_AES: 52363ee04c8SGilad Ben-Yossef flow_mode = DIN_AES_DOUT; 52463ee04c8SGilad Ben-Yossef break; 52563ee04c8SGilad Ben-Yossef case S_DIN_to_DES: 52663ee04c8SGilad Ben-Yossef flow_mode = DIN_DES_DOUT; 52763ee04c8SGilad Ben-Yossef break; 52863ee04c8SGilad Ben-Yossef default: 52963ee04c8SGilad Ben-Yossef dev_err(dev, "invalid flow mode, flow_mode = %d\n", flow_mode); 53063ee04c8SGilad Ben-Yossef return; 53163ee04c8SGilad Ben-Yossef } 53263ee04c8SGilad Ben-Yossef /* Process */ 53363ee04c8SGilad Ben-Yossef if (req_ctx->dma_buf_type == CC_DMA_BUF_DLLI) { 53463ee04c8SGilad Ben-Yossef dev_dbg(dev, " data params addr %pad length 0x%X\n", 53563ee04c8SGilad Ben-Yossef &sg_dma_address(src), nbytes); 53663ee04c8SGilad Ben-Yossef dev_dbg(dev, " data params addr %pad length 0x%X\n", 53763ee04c8SGilad Ben-Yossef &sg_dma_address(dst), nbytes); 53863ee04c8SGilad Ben-Yossef hw_desc_init(&desc[*seq_size]); 53963ee04c8SGilad Ben-Yossef set_din_type(&desc[*seq_size], DMA_DLLI, sg_dma_address(src), 54063ee04c8SGilad Ben-Yossef nbytes, NS_BIT); 54163ee04c8SGilad Ben-Yossef set_dout_dlli(&desc[*seq_size], sg_dma_address(dst), 54263ee04c8SGilad Ben-Yossef nbytes, NS_BIT, (!areq ? 0 : 1)); 54363ee04c8SGilad Ben-Yossef if (areq) 54427b3b22dSGilad Ben-Yossef set_queue_last_ind(ctx_p->drvdata, &desc[*seq_size]); 54563ee04c8SGilad Ben-Yossef 54663ee04c8SGilad Ben-Yossef set_flow_mode(&desc[*seq_size], flow_mode); 54763ee04c8SGilad Ben-Yossef (*seq_size)++; 54863ee04c8SGilad Ben-Yossef } else { 54963ee04c8SGilad Ben-Yossef /* bypass */ 55063ee04c8SGilad Ben-Yossef dev_dbg(dev, " bypass params addr %pad length 0x%X addr 0x%08X\n", 55163ee04c8SGilad Ben-Yossef &req_ctx->mlli_params.mlli_dma_addr, 55263ee04c8SGilad Ben-Yossef req_ctx->mlli_params.mlli_len, 55363ee04c8SGilad Ben-Yossef (unsigned int)ctx_p->drvdata->mlli_sram_addr); 55463ee04c8SGilad Ben-Yossef hw_desc_init(&desc[*seq_size]); 55563ee04c8SGilad Ben-Yossef set_din_type(&desc[*seq_size], DMA_DLLI, 55663ee04c8SGilad Ben-Yossef req_ctx->mlli_params.mlli_dma_addr, 55763ee04c8SGilad Ben-Yossef req_ctx->mlli_params.mlli_len, NS_BIT); 55863ee04c8SGilad Ben-Yossef set_dout_sram(&desc[*seq_size], 55963ee04c8SGilad Ben-Yossef ctx_p->drvdata->mlli_sram_addr, 56063ee04c8SGilad Ben-Yossef req_ctx->mlli_params.mlli_len); 56163ee04c8SGilad Ben-Yossef set_flow_mode(&desc[*seq_size], BYPASS); 56263ee04c8SGilad Ben-Yossef (*seq_size)++; 56363ee04c8SGilad Ben-Yossef 56463ee04c8SGilad Ben-Yossef hw_desc_init(&desc[*seq_size]); 56563ee04c8SGilad Ben-Yossef set_din_type(&desc[*seq_size], DMA_MLLI, 56663ee04c8SGilad Ben-Yossef ctx_p->drvdata->mlli_sram_addr, 56763ee04c8SGilad Ben-Yossef req_ctx->in_mlli_nents, NS_BIT); 56863ee04c8SGilad Ben-Yossef if (req_ctx->out_nents == 0) { 56963ee04c8SGilad Ben-Yossef dev_dbg(dev, " din/dout params addr 0x%08X addr 0x%08X\n", 57063ee04c8SGilad Ben-Yossef (unsigned int)ctx_p->drvdata->mlli_sram_addr, 57163ee04c8SGilad Ben-Yossef (unsigned int)ctx_p->drvdata->mlli_sram_addr); 57263ee04c8SGilad Ben-Yossef set_dout_mlli(&desc[*seq_size], 57363ee04c8SGilad Ben-Yossef ctx_p->drvdata->mlli_sram_addr, 57463ee04c8SGilad Ben-Yossef req_ctx->in_mlli_nents, NS_BIT, 57563ee04c8SGilad Ben-Yossef (!areq ? 0 : 1)); 57663ee04c8SGilad Ben-Yossef } else { 57763ee04c8SGilad Ben-Yossef dev_dbg(dev, " din/dout params addr 0x%08X addr 0x%08X\n", 57863ee04c8SGilad Ben-Yossef (unsigned int)ctx_p->drvdata->mlli_sram_addr, 57963ee04c8SGilad Ben-Yossef (unsigned int)ctx_p->drvdata->mlli_sram_addr + 58063ee04c8SGilad Ben-Yossef (u32)LLI_ENTRY_BYTE_SIZE * req_ctx->in_nents); 58163ee04c8SGilad Ben-Yossef set_dout_mlli(&desc[*seq_size], 58263ee04c8SGilad Ben-Yossef (ctx_p->drvdata->mlli_sram_addr + 58363ee04c8SGilad Ben-Yossef (LLI_ENTRY_BYTE_SIZE * 58463ee04c8SGilad Ben-Yossef req_ctx->in_mlli_nents)), 58563ee04c8SGilad Ben-Yossef req_ctx->out_mlli_nents, NS_BIT, 58663ee04c8SGilad Ben-Yossef (!areq ? 0 : 1)); 58763ee04c8SGilad Ben-Yossef } 58863ee04c8SGilad Ben-Yossef if (areq) 58927b3b22dSGilad Ben-Yossef set_queue_last_ind(ctx_p->drvdata, &desc[*seq_size]); 59063ee04c8SGilad Ben-Yossef 59163ee04c8SGilad Ben-Yossef set_flow_mode(&desc[*seq_size], flow_mode); 59263ee04c8SGilad Ben-Yossef (*seq_size)++; 59363ee04c8SGilad Ben-Yossef } 59463ee04c8SGilad Ben-Yossef } 59563ee04c8SGilad Ben-Yossef 59600904aa0SGilad Ben-Yossef /* 59700904aa0SGilad Ben-Yossef * Update a CTR-AES 128 bit counter 59800904aa0SGilad Ben-Yossef */ 59900904aa0SGilad Ben-Yossef static void cc_update_ctr(u8 *ctr, unsigned int increment) 60000904aa0SGilad Ben-Yossef { 60100904aa0SGilad Ben-Yossef if (IS_ENABLED(CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS) || 60200904aa0SGilad Ben-Yossef IS_ALIGNED((unsigned long)ctr, 8)) { 60300904aa0SGilad Ben-Yossef 60400904aa0SGilad Ben-Yossef __be64 *high_be = (__be64 *)ctr; 60500904aa0SGilad Ben-Yossef __be64 *low_be = high_be + 1; 60600904aa0SGilad Ben-Yossef u64 orig_low = __be64_to_cpu(*low_be); 60700904aa0SGilad Ben-Yossef u64 new_low = orig_low + (u64)increment; 60800904aa0SGilad Ben-Yossef 60900904aa0SGilad Ben-Yossef *low_be = __cpu_to_be64(new_low); 61000904aa0SGilad Ben-Yossef 61100904aa0SGilad Ben-Yossef if (new_low < orig_low) 61200904aa0SGilad Ben-Yossef *high_be = __cpu_to_be64(__be64_to_cpu(*high_be) + 1); 61300904aa0SGilad Ben-Yossef } else { 61400904aa0SGilad Ben-Yossef u8 *pos = (ctr + AES_BLOCK_SIZE); 61500904aa0SGilad Ben-Yossef u8 val; 61600904aa0SGilad Ben-Yossef unsigned int size; 61700904aa0SGilad Ben-Yossef 61800904aa0SGilad Ben-Yossef for (; increment; increment--) 61900904aa0SGilad Ben-Yossef for (size = AES_BLOCK_SIZE; size; size--) { 62000904aa0SGilad Ben-Yossef val = *--pos + 1; 62100904aa0SGilad Ben-Yossef *pos = val; 62200904aa0SGilad Ben-Yossef if (val) 62300904aa0SGilad Ben-Yossef break; 62400904aa0SGilad Ben-Yossef } 62500904aa0SGilad Ben-Yossef } 62600904aa0SGilad Ben-Yossef } 62700904aa0SGilad Ben-Yossef 62863ee04c8SGilad Ben-Yossef static void cc_cipher_complete(struct device *dev, void *cc_req, int err) 62963ee04c8SGilad Ben-Yossef { 63063ee04c8SGilad Ben-Yossef struct skcipher_request *req = (struct skcipher_request *)cc_req; 63163ee04c8SGilad Ben-Yossef struct scatterlist *dst = req->dst; 63263ee04c8SGilad Ben-Yossef struct scatterlist *src = req->src; 63363ee04c8SGilad Ben-Yossef struct cipher_req_ctx *req_ctx = skcipher_request_ctx(req); 63400904aa0SGilad Ben-Yossef struct crypto_skcipher *sk_tfm = crypto_skcipher_reqtfm(req); 63500904aa0SGilad Ben-Yossef struct crypto_tfm *tfm = crypto_skcipher_tfm(sk_tfm); 63600904aa0SGilad Ben-Yossef struct cc_cipher_ctx *ctx_p = crypto_tfm_ctx(tfm); 63700904aa0SGilad Ben-Yossef unsigned int ivsize = crypto_skcipher_ivsize(sk_tfm); 63800904aa0SGilad Ben-Yossef unsigned int len; 63963ee04c8SGilad Ben-Yossef 64000904aa0SGilad Ben-Yossef switch (ctx_p->cipher_mode) { 64100904aa0SGilad Ben-Yossef case DRV_CIPHER_CBC: 64263ee04c8SGilad Ben-Yossef /* 64363ee04c8SGilad Ben-Yossef * The crypto API expects us to set the req->iv to the last 64463ee04c8SGilad Ben-Yossef * ciphertext block. For encrypt, simply copy from the result. 64563ee04c8SGilad Ben-Yossef * For decrypt, we must copy from a saved buffer since this 64663ee04c8SGilad Ben-Yossef * could be an in-place decryption operation and the src is 64763ee04c8SGilad Ben-Yossef * lost by this point. 64863ee04c8SGilad Ben-Yossef */ 64963ee04c8SGilad Ben-Yossef if (req_ctx->gen_ctx.op_type == DRV_CRYPTO_DIRECTION_DECRYPT) { 65063ee04c8SGilad Ben-Yossef memcpy(req->iv, req_ctx->backup_info, ivsize); 65163ee04c8SGilad Ben-Yossef kzfree(req_ctx->backup_info); 65263ee04c8SGilad Ben-Yossef } else if (!err) { 65300904aa0SGilad Ben-Yossef len = req->cryptlen - ivsize; 65400904aa0SGilad Ben-Yossef scatterwalk_map_and_copy(req->iv, req->dst, len, 65563ee04c8SGilad Ben-Yossef ivsize, 0); 65663ee04c8SGilad Ben-Yossef } 65700904aa0SGilad Ben-Yossef break; 65800904aa0SGilad Ben-Yossef 65900904aa0SGilad Ben-Yossef case DRV_CIPHER_CTR: 66000904aa0SGilad Ben-Yossef /* Compute the counter of the last block */ 66100904aa0SGilad Ben-Yossef len = ALIGN(req->cryptlen, AES_BLOCK_SIZE) / AES_BLOCK_SIZE; 66200904aa0SGilad Ben-Yossef cc_update_ctr((u8 *)req->iv, len); 66300904aa0SGilad Ben-Yossef break; 66400904aa0SGilad Ben-Yossef 66500904aa0SGilad Ben-Yossef default: 66600904aa0SGilad Ben-Yossef break; 66700904aa0SGilad Ben-Yossef } 66800904aa0SGilad Ben-Yossef 66900904aa0SGilad Ben-Yossef cc_unmap_cipher_request(dev, req_ctx, ivsize, src, dst); 67000904aa0SGilad Ben-Yossef kzfree(req_ctx->iv); 67163ee04c8SGilad Ben-Yossef 67263ee04c8SGilad Ben-Yossef skcipher_request_complete(req, err); 67363ee04c8SGilad Ben-Yossef } 67463ee04c8SGilad Ben-Yossef 67563ee04c8SGilad Ben-Yossef static int cc_cipher_process(struct skcipher_request *req, 67663ee04c8SGilad Ben-Yossef enum drv_crypto_direction direction) 67763ee04c8SGilad Ben-Yossef { 67863ee04c8SGilad Ben-Yossef struct crypto_skcipher *sk_tfm = crypto_skcipher_reqtfm(req); 67963ee04c8SGilad Ben-Yossef struct crypto_tfm *tfm = crypto_skcipher_tfm(sk_tfm); 68063ee04c8SGilad Ben-Yossef struct cipher_req_ctx *req_ctx = skcipher_request_ctx(req); 68163ee04c8SGilad Ben-Yossef unsigned int ivsize = crypto_skcipher_ivsize(sk_tfm); 68263ee04c8SGilad Ben-Yossef struct scatterlist *dst = req->dst; 68363ee04c8SGilad Ben-Yossef struct scatterlist *src = req->src; 68463ee04c8SGilad Ben-Yossef unsigned int nbytes = req->cryptlen; 68563ee04c8SGilad Ben-Yossef void *iv = req->iv; 68663ee04c8SGilad Ben-Yossef struct cc_cipher_ctx *ctx_p = crypto_tfm_ctx(tfm); 68763ee04c8SGilad Ben-Yossef struct device *dev = drvdata_to_dev(ctx_p->drvdata); 68863ee04c8SGilad Ben-Yossef struct cc_hw_desc desc[MAX_ABLKCIPHER_SEQ_LEN]; 68963ee04c8SGilad Ben-Yossef struct cc_crypto_req cc_req = {}; 69084f366daSGilad Ben-Yossef int rc; 69163ee04c8SGilad Ben-Yossef unsigned int seq_len = 0; 69263ee04c8SGilad Ben-Yossef gfp_t flags = cc_gfp_flags(&req->base); 69363ee04c8SGilad Ben-Yossef 69463ee04c8SGilad Ben-Yossef dev_dbg(dev, "%s req=%p iv=%p nbytes=%d\n", 69563ee04c8SGilad Ben-Yossef ((direction == DRV_CRYPTO_DIRECTION_ENCRYPT) ? 69663ee04c8SGilad Ben-Yossef "Encrypt" : "Decrypt"), req, iv, nbytes); 69763ee04c8SGilad Ben-Yossef 69863ee04c8SGilad Ben-Yossef /* STAT_PHASE_0: Init and sanity checks */ 69963ee04c8SGilad Ben-Yossef 70063ee04c8SGilad Ben-Yossef /* TODO: check data length according to mode */ 70163ee04c8SGilad Ben-Yossef if (validate_data_size(ctx_p, nbytes)) { 70263ee04c8SGilad Ben-Yossef dev_err(dev, "Unsupported data size %d.\n", nbytes); 70363ee04c8SGilad Ben-Yossef crypto_tfm_set_flags(tfm, CRYPTO_TFM_RES_BAD_BLOCK_LEN); 70463ee04c8SGilad Ben-Yossef rc = -EINVAL; 70563ee04c8SGilad Ben-Yossef goto exit_process; 70663ee04c8SGilad Ben-Yossef } 70763ee04c8SGilad Ben-Yossef if (nbytes == 0) { 70863ee04c8SGilad Ben-Yossef /* No data to process is valid */ 70963ee04c8SGilad Ben-Yossef rc = 0; 71063ee04c8SGilad Ben-Yossef goto exit_process; 71163ee04c8SGilad Ben-Yossef } 71263ee04c8SGilad Ben-Yossef 71363ee04c8SGilad Ben-Yossef /* The IV we are handed may be allocted from the stack so 71463ee04c8SGilad Ben-Yossef * we must copy it to a DMAable buffer before use. 71563ee04c8SGilad Ben-Yossef */ 71601745706SFengguang Wu req_ctx->iv = kmemdup(iv, ivsize, flags); 71763ee04c8SGilad Ben-Yossef if (!req_ctx->iv) { 71863ee04c8SGilad Ben-Yossef rc = -ENOMEM; 71963ee04c8SGilad Ben-Yossef goto exit_process; 72063ee04c8SGilad Ben-Yossef } 72163ee04c8SGilad Ben-Yossef 72263ee04c8SGilad Ben-Yossef /* Setup request structure */ 72363ee04c8SGilad Ben-Yossef cc_req.user_cb = (void *)cc_cipher_complete; 72463ee04c8SGilad Ben-Yossef cc_req.user_arg = (void *)req; 72563ee04c8SGilad Ben-Yossef 72663ee04c8SGilad Ben-Yossef /* Setup request context */ 72763ee04c8SGilad Ben-Yossef req_ctx->gen_ctx.op_type = direction; 72863ee04c8SGilad Ben-Yossef 72963ee04c8SGilad Ben-Yossef /* STAT_PHASE_1: Map buffers */ 73063ee04c8SGilad Ben-Yossef 73163ee04c8SGilad Ben-Yossef rc = cc_map_cipher_request(ctx_p->drvdata, req_ctx, ivsize, nbytes, 73263ee04c8SGilad Ben-Yossef req_ctx->iv, src, dst, flags); 73363ee04c8SGilad Ben-Yossef if (rc) { 73463ee04c8SGilad Ben-Yossef dev_err(dev, "map_request() failed\n"); 73563ee04c8SGilad Ben-Yossef goto exit_process; 73663ee04c8SGilad Ben-Yossef } 73763ee04c8SGilad Ben-Yossef 73863ee04c8SGilad Ben-Yossef /* STAT_PHASE_2: Create sequence */ 73963ee04c8SGilad Ben-Yossef 74063ee04c8SGilad Ben-Yossef /* Setup processing */ 74163ee04c8SGilad Ben-Yossef cc_setup_cipher_desc(tfm, req_ctx, ivsize, nbytes, desc, &seq_len); 74263ee04c8SGilad Ben-Yossef /* Data processing */ 74363ee04c8SGilad Ben-Yossef cc_setup_cipher_data(tfm, req_ctx, dst, src, nbytes, req, desc, 74463ee04c8SGilad Ben-Yossef &seq_len); 74563ee04c8SGilad Ben-Yossef 74663ee04c8SGilad Ben-Yossef /* STAT_PHASE_3: Lock HW and push sequence */ 74763ee04c8SGilad Ben-Yossef 74863ee04c8SGilad Ben-Yossef rc = cc_send_request(ctx_p->drvdata, &cc_req, desc, seq_len, 74963ee04c8SGilad Ben-Yossef &req->base); 75063ee04c8SGilad Ben-Yossef if (rc != -EINPROGRESS && rc != -EBUSY) { 75163ee04c8SGilad Ben-Yossef /* Failed to send the request or request completed 75263ee04c8SGilad Ben-Yossef * synchronously 75363ee04c8SGilad Ben-Yossef */ 75463ee04c8SGilad Ben-Yossef cc_unmap_cipher_request(dev, req_ctx, ivsize, src, dst); 75563ee04c8SGilad Ben-Yossef } 75663ee04c8SGilad Ben-Yossef 75763ee04c8SGilad Ben-Yossef exit_process: 75863ee04c8SGilad Ben-Yossef if (rc != -EINPROGRESS && rc != -EBUSY) { 75963ee04c8SGilad Ben-Yossef kzfree(req_ctx->backup_info); 76063ee04c8SGilad Ben-Yossef kzfree(req_ctx->iv); 76163ee04c8SGilad Ben-Yossef } 76263ee04c8SGilad Ben-Yossef 76363ee04c8SGilad Ben-Yossef return rc; 76463ee04c8SGilad Ben-Yossef } 76563ee04c8SGilad Ben-Yossef 76663ee04c8SGilad Ben-Yossef static int cc_cipher_encrypt(struct skcipher_request *req) 76763ee04c8SGilad Ben-Yossef { 76863ee04c8SGilad Ben-Yossef struct cipher_req_ctx *req_ctx = skcipher_request_ctx(req); 76963ee04c8SGilad Ben-Yossef 770e30368f3SGilad Ben-Yossef memset(req_ctx, 0, sizeof(*req_ctx)); 77163ee04c8SGilad Ben-Yossef 77263ee04c8SGilad Ben-Yossef return cc_cipher_process(req, DRV_CRYPTO_DIRECTION_ENCRYPT); 77363ee04c8SGilad Ben-Yossef } 77463ee04c8SGilad Ben-Yossef 77563ee04c8SGilad Ben-Yossef static int cc_cipher_decrypt(struct skcipher_request *req) 77663ee04c8SGilad Ben-Yossef { 77763ee04c8SGilad Ben-Yossef struct crypto_skcipher *sk_tfm = crypto_skcipher_reqtfm(req); 77800904aa0SGilad Ben-Yossef struct crypto_tfm *tfm = crypto_skcipher_tfm(sk_tfm); 77900904aa0SGilad Ben-Yossef struct cc_cipher_ctx *ctx_p = crypto_tfm_ctx(tfm); 78063ee04c8SGilad Ben-Yossef struct cipher_req_ctx *req_ctx = skcipher_request_ctx(req); 78163ee04c8SGilad Ben-Yossef unsigned int ivsize = crypto_skcipher_ivsize(sk_tfm); 78263ee04c8SGilad Ben-Yossef gfp_t flags = cc_gfp_flags(&req->base); 78300904aa0SGilad Ben-Yossef unsigned int len; 78463ee04c8SGilad Ben-Yossef 785e30368f3SGilad Ben-Yossef memset(req_ctx, 0, sizeof(*req_ctx)); 786e30368f3SGilad Ben-Yossef 78700904aa0SGilad Ben-Yossef if (ctx_p->cipher_mode == DRV_CIPHER_CBC) { 78800904aa0SGilad Ben-Yossef 78900904aa0SGilad Ben-Yossef /* Allocate and save the last IV sized bytes of the source, 79000904aa0SGilad Ben-Yossef * which will be lost in case of in-place decryption. 79163ee04c8SGilad Ben-Yossef */ 79200904aa0SGilad Ben-Yossef req_ctx->backup_info = kzalloc(ivsize, flags); 79363ee04c8SGilad Ben-Yossef if (!req_ctx->backup_info) 79463ee04c8SGilad Ben-Yossef return -ENOMEM; 79563ee04c8SGilad Ben-Yossef 79600904aa0SGilad Ben-Yossef len = req->cryptlen - ivsize; 79700904aa0SGilad Ben-Yossef scatterwalk_map_and_copy(req_ctx->backup_info, req->src, len, 79800904aa0SGilad Ben-Yossef ivsize, 0); 79900904aa0SGilad Ben-Yossef } 80000904aa0SGilad Ben-Yossef 80163ee04c8SGilad Ben-Yossef return cc_cipher_process(req, DRV_CRYPTO_DIRECTION_DECRYPT); 80263ee04c8SGilad Ben-Yossef } 80363ee04c8SGilad Ben-Yossef 80463ee04c8SGilad Ben-Yossef /* Block cipher alg */ 80563ee04c8SGilad Ben-Yossef static const struct cc_alg_template skcipher_algs[] = { 80663ee04c8SGilad Ben-Yossef { 807a794d8d8SGilad Ben-Yossef .name = "xts(paes)", 808a794d8d8SGilad Ben-Yossef .driver_name = "xts-paes-ccree", 809a794d8d8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 810a794d8d8SGilad Ben-Yossef .template_skcipher = { 811a794d8d8SGilad Ben-Yossef .setkey = cc_cipher_sethkey, 812a794d8d8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 813a794d8d8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 814a794d8d8SGilad Ben-Yossef .min_keysize = CC_HW_KEY_SIZE, 815a794d8d8SGilad Ben-Yossef .max_keysize = CC_HW_KEY_SIZE, 816a794d8d8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 817a794d8d8SGilad Ben-Yossef }, 818a794d8d8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_XTS, 819a794d8d8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 820a794d8d8SGilad Ben-Yossef .min_hw_rev = CC_HW_REV_630, 821a794d8d8SGilad Ben-Yossef }, 822a794d8d8SGilad Ben-Yossef { 823a794d8d8SGilad Ben-Yossef .name = "xts512(paes)", 824a794d8d8SGilad Ben-Yossef .driver_name = "xts-paes-du512-ccree", 825a794d8d8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 826a794d8d8SGilad Ben-Yossef .template_skcipher = { 827a794d8d8SGilad Ben-Yossef .setkey = cc_cipher_sethkey, 828a794d8d8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 829a794d8d8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 830a794d8d8SGilad Ben-Yossef .min_keysize = CC_HW_KEY_SIZE, 831a794d8d8SGilad Ben-Yossef .max_keysize = CC_HW_KEY_SIZE, 832a794d8d8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 833a794d8d8SGilad Ben-Yossef }, 834a794d8d8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_XTS, 835a794d8d8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 836a794d8d8SGilad Ben-Yossef .data_unit = 512, 837a794d8d8SGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 838a794d8d8SGilad Ben-Yossef }, 839a794d8d8SGilad Ben-Yossef { 840a794d8d8SGilad Ben-Yossef .name = "xts4096(paes)", 841a794d8d8SGilad Ben-Yossef .driver_name = "xts-paes-du4096-ccree", 842a794d8d8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 843a794d8d8SGilad Ben-Yossef .template_skcipher = { 844a794d8d8SGilad Ben-Yossef .setkey = cc_cipher_sethkey, 845a794d8d8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 846a794d8d8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 847a794d8d8SGilad Ben-Yossef .min_keysize = CC_HW_KEY_SIZE, 848a794d8d8SGilad Ben-Yossef .max_keysize = CC_HW_KEY_SIZE, 849a794d8d8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 850a794d8d8SGilad Ben-Yossef }, 851a794d8d8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_XTS, 852a794d8d8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 853a794d8d8SGilad Ben-Yossef .data_unit = 4096, 854a794d8d8SGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 855a794d8d8SGilad Ben-Yossef }, 856a794d8d8SGilad Ben-Yossef { 857a794d8d8SGilad Ben-Yossef .name = "essiv(paes)", 858a794d8d8SGilad Ben-Yossef .driver_name = "essiv-paes-ccree", 859a794d8d8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 860a794d8d8SGilad Ben-Yossef .template_skcipher = { 861a794d8d8SGilad Ben-Yossef .setkey = cc_cipher_sethkey, 862a794d8d8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 863a794d8d8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 864a794d8d8SGilad Ben-Yossef .min_keysize = CC_HW_KEY_SIZE, 865a794d8d8SGilad Ben-Yossef .max_keysize = CC_HW_KEY_SIZE, 866a794d8d8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 867a794d8d8SGilad Ben-Yossef }, 868a794d8d8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_ESSIV, 869a794d8d8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 870a794d8d8SGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 871a794d8d8SGilad Ben-Yossef }, 872a794d8d8SGilad Ben-Yossef { 873a794d8d8SGilad Ben-Yossef .name = "essiv512(paes)", 874a794d8d8SGilad Ben-Yossef .driver_name = "essiv-paes-du512-ccree", 875a794d8d8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 876a794d8d8SGilad Ben-Yossef .template_skcipher = { 877a794d8d8SGilad Ben-Yossef .setkey = cc_cipher_sethkey, 878a794d8d8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 879a794d8d8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 880a794d8d8SGilad Ben-Yossef .min_keysize = CC_HW_KEY_SIZE, 881a794d8d8SGilad Ben-Yossef .max_keysize = CC_HW_KEY_SIZE, 882a794d8d8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 883a794d8d8SGilad Ben-Yossef }, 884a794d8d8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_ESSIV, 885a794d8d8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 886a794d8d8SGilad Ben-Yossef .data_unit = 512, 887a794d8d8SGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 888a794d8d8SGilad Ben-Yossef }, 889a794d8d8SGilad Ben-Yossef { 890a794d8d8SGilad Ben-Yossef .name = "essiv4096(paes)", 891a794d8d8SGilad Ben-Yossef .driver_name = "essiv-paes-du4096-ccree", 892a794d8d8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 893a794d8d8SGilad Ben-Yossef .template_skcipher = { 894a794d8d8SGilad Ben-Yossef .setkey = cc_cipher_sethkey, 895a794d8d8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 896a794d8d8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 897a794d8d8SGilad Ben-Yossef .min_keysize = CC_HW_KEY_SIZE, 898a794d8d8SGilad Ben-Yossef .max_keysize = CC_HW_KEY_SIZE, 899a794d8d8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 900a794d8d8SGilad Ben-Yossef }, 901a794d8d8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_ESSIV, 902a794d8d8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 903a794d8d8SGilad Ben-Yossef .data_unit = 4096, 904a794d8d8SGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 905a794d8d8SGilad Ben-Yossef }, 906a794d8d8SGilad Ben-Yossef { 907a794d8d8SGilad Ben-Yossef .name = "bitlocker(paes)", 908a794d8d8SGilad Ben-Yossef .driver_name = "bitlocker-paes-ccree", 909a794d8d8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 910a794d8d8SGilad Ben-Yossef .template_skcipher = { 911a794d8d8SGilad Ben-Yossef .setkey = cc_cipher_sethkey, 912a794d8d8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 913a794d8d8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 914a794d8d8SGilad Ben-Yossef .min_keysize = CC_HW_KEY_SIZE, 915a794d8d8SGilad Ben-Yossef .max_keysize = CC_HW_KEY_SIZE, 916a794d8d8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 917a794d8d8SGilad Ben-Yossef }, 918a794d8d8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_BITLOCKER, 919a794d8d8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 920a794d8d8SGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 921a794d8d8SGilad Ben-Yossef }, 922a794d8d8SGilad Ben-Yossef { 923a794d8d8SGilad Ben-Yossef .name = "bitlocker512(paes)", 924a794d8d8SGilad Ben-Yossef .driver_name = "bitlocker-paes-du512-ccree", 925a794d8d8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 926a794d8d8SGilad Ben-Yossef .template_skcipher = { 927a794d8d8SGilad Ben-Yossef .setkey = cc_cipher_sethkey, 928a794d8d8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 929a794d8d8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 930a794d8d8SGilad Ben-Yossef .min_keysize = CC_HW_KEY_SIZE, 931a794d8d8SGilad Ben-Yossef .max_keysize = CC_HW_KEY_SIZE, 932a794d8d8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 933a794d8d8SGilad Ben-Yossef }, 934a794d8d8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_BITLOCKER, 935a794d8d8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 936a794d8d8SGilad Ben-Yossef .data_unit = 512, 937a794d8d8SGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 938a794d8d8SGilad Ben-Yossef }, 939a794d8d8SGilad Ben-Yossef { 940a794d8d8SGilad Ben-Yossef .name = "bitlocker4096(paes)", 941a794d8d8SGilad Ben-Yossef .driver_name = "bitlocker-paes-du4096-ccree", 942a794d8d8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 943a794d8d8SGilad Ben-Yossef .template_skcipher = { 944a794d8d8SGilad Ben-Yossef .setkey = cc_cipher_sethkey, 945a794d8d8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 946a794d8d8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 947a794d8d8SGilad Ben-Yossef .min_keysize = CC_HW_KEY_SIZE, 948a794d8d8SGilad Ben-Yossef .max_keysize = CC_HW_KEY_SIZE, 949a794d8d8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 950a794d8d8SGilad Ben-Yossef }, 951a794d8d8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_BITLOCKER, 952a794d8d8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 953a794d8d8SGilad Ben-Yossef .data_unit = 4096, 954a794d8d8SGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 955a794d8d8SGilad Ben-Yossef }, 956a794d8d8SGilad Ben-Yossef { 957a794d8d8SGilad Ben-Yossef .name = "ecb(paes)", 958a794d8d8SGilad Ben-Yossef .driver_name = "ecb-paes-ccree", 959a794d8d8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 960a794d8d8SGilad Ben-Yossef .template_skcipher = { 961a794d8d8SGilad Ben-Yossef .setkey = cc_cipher_sethkey, 962a794d8d8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 963a794d8d8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 964a794d8d8SGilad Ben-Yossef .min_keysize = CC_HW_KEY_SIZE, 965a794d8d8SGilad Ben-Yossef .max_keysize = CC_HW_KEY_SIZE, 966a794d8d8SGilad Ben-Yossef .ivsize = 0, 967a794d8d8SGilad Ben-Yossef }, 968a794d8d8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_ECB, 969a794d8d8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 970a794d8d8SGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 971a794d8d8SGilad Ben-Yossef }, 972a794d8d8SGilad Ben-Yossef { 973a794d8d8SGilad Ben-Yossef .name = "cbc(paes)", 974a794d8d8SGilad Ben-Yossef .driver_name = "cbc-paes-ccree", 975a794d8d8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 976a794d8d8SGilad Ben-Yossef .template_skcipher = { 977a794d8d8SGilad Ben-Yossef .setkey = cc_cipher_sethkey, 978a794d8d8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 979a794d8d8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 980a794d8d8SGilad Ben-Yossef .min_keysize = CC_HW_KEY_SIZE, 981a794d8d8SGilad Ben-Yossef .max_keysize = CC_HW_KEY_SIZE, 982a794d8d8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 983a794d8d8SGilad Ben-Yossef }, 984a794d8d8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_CBC, 985a794d8d8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 986a794d8d8SGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 987a794d8d8SGilad Ben-Yossef }, 988a794d8d8SGilad Ben-Yossef { 989a794d8d8SGilad Ben-Yossef .name = "ofb(paes)", 990a794d8d8SGilad Ben-Yossef .driver_name = "ofb-paes-ccree", 991a794d8d8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 992a794d8d8SGilad Ben-Yossef .template_skcipher = { 993a794d8d8SGilad Ben-Yossef .setkey = cc_cipher_sethkey, 994a794d8d8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 995a794d8d8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 996a794d8d8SGilad Ben-Yossef .min_keysize = CC_HW_KEY_SIZE, 997a794d8d8SGilad Ben-Yossef .max_keysize = CC_HW_KEY_SIZE, 998a794d8d8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 999a794d8d8SGilad Ben-Yossef }, 1000a794d8d8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_OFB, 1001a794d8d8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 1002a794d8d8SGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 1003a794d8d8SGilad Ben-Yossef }, 1004a794d8d8SGilad Ben-Yossef { 100584f366daSGilad Ben-Yossef .name = "cts(cbc(paes))", 100684f366daSGilad Ben-Yossef .driver_name = "cts-cbc-paes-ccree", 1007a794d8d8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 1008a794d8d8SGilad Ben-Yossef .template_skcipher = { 1009a794d8d8SGilad Ben-Yossef .setkey = cc_cipher_sethkey, 1010a794d8d8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 1011a794d8d8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 1012a794d8d8SGilad Ben-Yossef .min_keysize = CC_HW_KEY_SIZE, 1013a794d8d8SGilad Ben-Yossef .max_keysize = CC_HW_KEY_SIZE, 1014a794d8d8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 1015a794d8d8SGilad Ben-Yossef }, 1016a794d8d8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_CBC_CTS, 1017a794d8d8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 1018a794d8d8SGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 1019a794d8d8SGilad Ben-Yossef }, 1020a794d8d8SGilad Ben-Yossef { 1021a794d8d8SGilad Ben-Yossef .name = "ctr(paes)", 1022a794d8d8SGilad Ben-Yossef .driver_name = "ctr-paes-ccree", 1023a794d8d8SGilad Ben-Yossef .blocksize = 1, 1024a794d8d8SGilad Ben-Yossef .template_skcipher = { 1025a794d8d8SGilad Ben-Yossef .setkey = cc_cipher_sethkey, 1026a794d8d8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 1027a794d8d8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 1028a794d8d8SGilad Ben-Yossef .min_keysize = CC_HW_KEY_SIZE, 1029a794d8d8SGilad Ben-Yossef .max_keysize = CC_HW_KEY_SIZE, 1030a794d8d8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 1031a794d8d8SGilad Ben-Yossef }, 1032a794d8d8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_CTR, 1033a794d8d8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 1034a794d8d8SGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 1035a794d8d8SGilad Ben-Yossef }, 1036a794d8d8SGilad Ben-Yossef { 103763ee04c8SGilad Ben-Yossef .name = "xts(aes)", 103863ee04c8SGilad Ben-Yossef .driver_name = "xts-aes-ccree", 103963ee04c8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 104063ee04c8SGilad Ben-Yossef .template_skcipher = { 104163ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 104263ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 104363ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 104463ee04c8SGilad Ben-Yossef .min_keysize = AES_MIN_KEY_SIZE * 2, 104563ee04c8SGilad Ben-Yossef .max_keysize = AES_MAX_KEY_SIZE * 2, 104663ee04c8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 104763ee04c8SGilad Ben-Yossef }, 104863ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_XTS, 104963ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 105027b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_630, 105163ee04c8SGilad Ben-Yossef }, 105263ee04c8SGilad Ben-Yossef { 105363ee04c8SGilad Ben-Yossef .name = "xts512(aes)", 105463ee04c8SGilad Ben-Yossef .driver_name = "xts-aes-du512-ccree", 105563ee04c8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 105663ee04c8SGilad Ben-Yossef .template_skcipher = { 105763ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 105863ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 105963ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 106063ee04c8SGilad Ben-Yossef .min_keysize = AES_MIN_KEY_SIZE * 2, 106163ee04c8SGilad Ben-Yossef .max_keysize = AES_MAX_KEY_SIZE * 2, 106263ee04c8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 106363ee04c8SGilad Ben-Yossef }, 106463ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_XTS, 106563ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 106663ee04c8SGilad Ben-Yossef .data_unit = 512, 106727b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 106863ee04c8SGilad Ben-Yossef }, 106963ee04c8SGilad Ben-Yossef { 107063ee04c8SGilad Ben-Yossef .name = "xts4096(aes)", 107163ee04c8SGilad Ben-Yossef .driver_name = "xts-aes-du4096-ccree", 107263ee04c8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 107363ee04c8SGilad Ben-Yossef .template_skcipher = { 107463ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 107563ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 107663ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 107763ee04c8SGilad Ben-Yossef .min_keysize = AES_MIN_KEY_SIZE * 2, 107863ee04c8SGilad Ben-Yossef .max_keysize = AES_MAX_KEY_SIZE * 2, 107963ee04c8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 108063ee04c8SGilad Ben-Yossef }, 108163ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_XTS, 108263ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 108363ee04c8SGilad Ben-Yossef .data_unit = 4096, 108427b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 108563ee04c8SGilad Ben-Yossef }, 108663ee04c8SGilad Ben-Yossef { 108763ee04c8SGilad Ben-Yossef .name = "essiv(aes)", 108863ee04c8SGilad Ben-Yossef .driver_name = "essiv-aes-ccree", 108963ee04c8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 109063ee04c8SGilad Ben-Yossef .template_skcipher = { 109163ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 109263ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 109363ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 109463ee04c8SGilad Ben-Yossef .min_keysize = AES_MIN_KEY_SIZE * 2, 109563ee04c8SGilad Ben-Yossef .max_keysize = AES_MAX_KEY_SIZE * 2, 109663ee04c8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 109763ee04c8SGilad Ben-Yossef }, 109863ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_ESSIV, 109963ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 110027b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 110163ee04c8SGilad Ben-Yossef }, 110263ee04c8SGilad Ben-Yossef { 110363ee04c8SGilad Ben-Yossef .name = "essiv512(aes)", 110463ee04c8SGilad Ben-Yossef .driver_name = "essiv-aes-du512-ccree", 110563ee04c8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 110663ee04c8SGilad Ben-Yossef .template_skcipher = { 110763ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 110863ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 110963ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 111063ee04c8SGilad Ben-Yossef .min_keysize = AES_MIN_KEY_SIZE * 2, 111163ee04c8SGilad Ben-Yossef .max_keysize = AES_MAX_KEY_SIZE * 2, 111263ee04c8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 111363ee04c8SGilad Ben-Yossef }, 111463ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_ESSIV, 111563ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 111663ee04c8SGilad Ben-Yossef .data_unit = 512, 111727b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 111863ee04c8SGilad Ben-Yossef }, 111963ee04c8SGilad Ben-Yossef { 112063ee04c8SGilad Ben-Yossef .name = "essiv4096(aes)", 112163ee04c8SGilad Ben-Yossef .driver_name = "essiv-aes-du4096-ccree", 112263ee04c8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 112363ee04c8SGilad Ben-Yossef .template_skcipher = { 112463ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 112563ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 112663ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 112763ee04c8SGilad Ben-Yossef .min_keysize = AES_MIN_KEY_SIZE * 2, 112863ee04c8SGilad Ben-Yossef .max_keysize = AES_MAX_KEY_SIZE * 2, 112963ee04c8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 113063ee04c8SGilad Ben-Yossef }, 113163ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_ESSIV, 113263ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 113363ee04c8SGilad Ben-Yossef .data_unit = 4096, 113427b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 113563ee04c8SGilad Ben-Yossef }, 113663ee04c8SGilad Ben-Yossef { 113763ee04c8SGilad Ben-Yossef .name = "bitlocker(aes)", 113863ee04c8SGilad Ben-Yossef .driver_name = "bitlocker-aes-ccree", 113963ee04c8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 114063ee04c8SGilad Ben-Yossef .template_skcipher = { 114163ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 114263ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 114363ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 114463ee04c8SGilad Ben-Yossef .min_keysize = AES_MIN_KEY_SIZE * 2, 114563ee04c8SGilad Ben-Yossef .max_keysize = AES_MAX_KEY_SIZE * 2, 114663ee04c8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 114763ee04c8SGilad Ben-Yossef }, 114863ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_BITLOCKER, 114963ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 115027b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 115163ee04c8SGilad Ben-Yossef }, 115263ee04c8SGilad Ben-Yossef { 115363ee04c8SGilad Ben-Yossef .name = "bitlocker512(aes)", 115463ee04c8SGilad Ben-Yossef .driver_name = "bitlocker-aes-du512-ccree", 115563ee04c8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 115663ee04c8SGilad Ben-Yossef .template_skcipher = { 115763ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 115863ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 115963ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 116063ee04c8SGilad Ben-Yossef .min_keysize = AES_MIN_KEY_SIZE * 2, 116163ee04c8SGilad Ben-Yossef .max_keysize = AES_MAX_KEY_SIZE * 2, 116263ee04c8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 116363ee04c8SGilad Ben-Yossef }, 116463ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_BITLOCKER, 116563ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 116663ee04c8SGilad Ben-Yossef .data_unit = 512, 116727b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 116863ee04c8SGilad Ben-Yossef }, 116963ee04c8SGilad Ben-Yossef { 117063ee04c8SGilad Ben-Yossef .name = "bitlocker4096(aes)", 117163ee04c8SGilad Ben-Yossef .driver_name = "bitlocker-aes-du4096-ccree", 117263ee04c8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 117363ee04c8SGilad Ben-Yossef .template_skcipher = { 117463ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 117563ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 117663ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 117763ee04c8SGilad Ben-Yossef .min_keysize = AES_MIN_KEY_SIZE * 2, 117863ee04c8SGilad Ben-Yossef .max_keysize = AES_MAX_KEY_SIZE * 2, 117963ee04c8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 118063ee04c8SGilad Ben-Yossef }, 118163ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_BITLOCKER, 118263ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 118363ee04c8SGilad Ben-Yossef .data_unit = 4096, 118427b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_712, 118563ee04c8SGilad Ben-Yossef }, 118663ee04c8SGilad Ben-Yossef { 118763ee04c8SGilad Ben-Yossef .name = "ecb(aes)", 118863ee04c8SGilad Ben-Yossef .driver_name = "ecb-aes-ccree", 118963ee04c8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 119063ee04c8SGilad Ben-Yossef .template_skcipher = { 119163ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 119263ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 119363ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 119463ee04c8SGilad Ben-Yossef .min_keysize = AES_MIN_KEY_SIZE, 119563ee04c8SGilad Ben-Yossef .max_keysize = AES_MAX_KEY_SIZE, 119663ee04c8SGilad Ben-Yossef .ivsize = 0, 119763ee04c8SGilad Ben-Yossef }, 119863ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_ECB, 119963ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 120027b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_630, 120163ee04c8SGilad Ben-Yossef }, 120263ee04c8SGilad Ben-Yossef { 120363ee04c8SGilad Ben-Yossef .name = "cbc(aes)", 120463ee04c8SGilad Ben-Yossef .driver_name = "cbc-aes-ccree", 120563ee04c8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 120663ee04c8SGilad Ben-Yossef .template_skcipher = { 120763ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 120863ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 120963ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 121063ee04c8SGilad Ben-Yossef .min_keysize = AES_MIN_KEY_SIZE, 121163ee04c8SGilad Ben-Yossef .max_keysize = AES_MAX_KEY_SIZE, 121263ee04c8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 121363ee04c8SGilad Ben-Yossef }, 121463ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_CBC, 121563ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 121627b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_630, 121763ee04c8SGilad Ben-Yossef }, 121863ee04c8SGilad Ben-Yossef { 121963ee04c8SGilad Ben-Yossef .name = "ofb(aes)", 122063ee04c8SGilad Ben-Yossef .driver_name = "ofb-aes-ccree", 122163ee04c8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 122263ee04c8SGilad Ben-Yossef .template_skcipher = { 122363ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 122463ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 122563ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 122663ee04c8SGilad Ben-Yossef .min_keysize = AES_MIN_KEY_SIZE, 122763ee04c8SGilad Ben-Yossef .max_keysize = AES_MAX_KEY_SIZE, 122863ee04c8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 122963ee04c8SGilad Ben-Yossef }, 123063ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_OFB, 123163ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 123227b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_630, 123363ee04c8SGilad Ben-Yossef }, 123463ee04c8SGilad Ben-Yossef { 123584f366daSGilad Ben-Yossef .name = "cts(cbc(aes))", 123684f366daSGilad Ben-Yossef .driver_name = "cts-cbc-aes-ccree", 123763ee04c8SGilad Ben-Yossef .blocksize = AES_BLOCK_SIZE, 123863ee04c8SGilad Ben-Yossef .template_skcipher = { 123963ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 124063ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 124163ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 124263ee04c8SGilad Ben-Yossef .min_keysize = AES_MIN_KEY_SIZE, 124363ee04c8SGilad Ben-Yossef .max_keysize = AES_MAX_KEY_SIZE, 124463ee04c8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 124563ee04c8SGilad Ben-Yossef }, 124663ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_CBC_CTS, 124763ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 124827b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_630, 124963ee04c8SGilad Ben-Yossef }, 125063ee04c8SGilad Ben-Yossef { 125163ee04c8SGilad Ben-Yossef .name = "ctr(aes)", 125263ee04c8SGilad Ben-Yossef .driver_name = "ctr-aes-ccree", 125363ee04c8SGilad Ben-Yossef .blocksize = 1, 125463ee04c8SGilad Ben-Yossef .template_skcipher = { 125563ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 125663ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 125763ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 125863ee04c8SGilad Ben-Yossef .min_keysize = AES_MIN_KEY_SIZE, 125963ee04c8SGilad Ben-Yossef .max_keysize = AES_MAX_KEY_SIZE, 126063ee04c8SGilad Ben-Yossef .ivsize = AES_BLOCK_SIZE, 126163ee04c8SGilad Ben-Yossef }, 126263ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_CTR, 126363ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_AES, 126427b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_630, 126563ee04c8SGilad Ben-Yossef }, 126663ee04c8SGilad Ben-Yossef { 126763ee04c8SGilad Ben-Yossef .name = "cbc(des3_ede)", 126863ee04c8SGilad Ben-Yossef .driver_name = "cbc-3des-ccree", 126963ee04c8SGilad Ben-Yossef .blocksize = DES3_EDE_BLOCK_SIZE, 127063ee04c8SGilad Ben-Yossef .template_skcipher = { 127163ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 127263ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 127363ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 127463ee04c8SGilad Ben-Yossef .min_keysize = DES3_EDE_KEY_SIZE, 127563ee04c8SGilad Ben-Yossef .max_keysize = DES3_EDE_KEY_SIZE, 127663ee04c8SGilad Ben-Yossef .ivsize = DES3_EDE_BLOCK_SIZE, 127763ee04c8SGilad Ben-Yossef }, 127863ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_CBC, 127963ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_DES, 128027b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_630, 128163ee04c8SGilad Ben-Yossef }, 128263ee04c8SGilad Ben-Yossef { 128363ee04c8SGilad Ben-Yossef .name = "ecb(des3_ede)", 128463ee04c8SGilad Ben-Yossef .driver_name = "ecb-3des-ccree", 128563ee04c8SGilad Ben-Yossef .blocksize = DES3_EDE_BLOCK_SIZE, 128663ee04c8SGilad Ben-Yossef .template_skcipher = { 128763ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 128863ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 128963ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 129063ee04c8SGilad Ben-Yossef .min_keysize = DES3_EDE_KEY_SIZE, 129163ee04c8SGilad Ben-Yossef .max_keysize = DES3_EDE_KEY_SIZE, 129263ee04c8SGilad Ben-Yossef .ivsize = 0, 129363ee04c8SGilad Ben-Yossef }, 129463ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_ECB, 129563ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_DES, 129627b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_630, 129763ee04c8SGilad Ben-Yossef }, 129863ee04c8SGilad Ben-Yossef { 129963ee04c8SGilad Ben-Yossef .name = "cbc(des)", 130063ee04c8SGilad Ben-Yossef .driver_name = "cbc-des-ccree", 130163ee04c8SGilad Ben-Yossef .blocksize = DES_BLOCK_SIZE, 130263ee04c8SGilad Ben-Yossef .template_skcipher = { 130363ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 130463ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 130563ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 130663ee04c8SGilad Ben-Yossef .min_keysize = DES_KEY_SIZE, 130763ee04c8SGilad Ben-Yossef .max_keysize = DES_KEY_SIZE, 130863ee04c8SGilad Ben-Yossef .ivsize = DES_BLOCK_SIZE, 130963ee04c8SGilad Ben-Yossef }, 131063ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_CBC, 131163ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_DES, 131227b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_630, 131363ee04c8SGilad Ben-Yossef }, 131463ee04c8SGilad Ben-Yossef { 131563ee04c8SGilad Ben-Yossef .name = "ecb(des)", 131663ee04c8SGilad Ben-Yossef .driver_name = "ecb-des-ccree", 131763ee04c8SGilad Ben-Yossef .blocksize = DES_BLOCK_SIZE, 131863ee04c8SGilad Ben-Yossef .template_skcipher = { 131963ee04c8SGilad Ben-Yossef .setkey = cc_cipher_setkey, 132063ee04c8SGilad Ben-Yossef .encrypt = cc_cipher_encrypt, 132163ee04c8SGilad Ben-Yossef .decrypt = cc_cipher_decrypt, 132263ee04c8SGilad Ben-Yossef .min_keysize = DES_KEY_SIZE, 132363ee04c8SGilad Ben-Yossef .max_keysize = DES_KEY_SIZE, 132463ee04c8SGilad Ben-Yossef .ivsize = 0, 132563ee04c8SGilad Ben-Yossef }, 132663ee04c8SGilad Ben-Yossef .cipher_mode = DRV_CIPHER_ECB, 132763ee04c8SGilad Ben-Yossef .flow_mode = S_DIN_to_DES, 132827b3b22dSGilad Ben-Yossef .min_hw_rev = CC_HW_REV_630, 132963ee04c8SGilad Ben-Yossef }, 133063ee04c8SGilad Ben-Yossef }; 133163ee04c8SGilad Ben-Yossef 133263ee04c8SGilad Ben-Yossef static struct cc_crypto_alg *cc_create_alg(const struct cc_alg_template *tmpl, 133363ee04c8SGilad Ben-Yossef struct device *dev) 133463ee04c8SGilad Ben-Yossef { 133563ee04c8SGilad Ben-Yossef struct cc_crypto_alg *t_alg; 133663ee04c8SGilad Ben-Yossef struct skcipher_alg *alg; 133763ee04c8SGilad Ben-Yossef 133863ee04c8SGilad Ben-Yossef t_alg = kzalloc(sizeof(*t_alg), GFP_KERNEL); 133963ee04c8SGilad Ben-Yossef if (!t_alg) 134063ee04c8SGilad Ben-Yossef return ERR_PTR(-ENOMEM); 134163ee04c8SGilad Ben-Yossef 134263ee04c8SGilad Ben-Yossef alg = &t_alg->skcipher_alg; 134363ee04c8SGilad Ben-Yossef 134463ee04c8SGilad Ben-Yossef memcpy(alg, &tmpl->template_skcipher, sizeof(*alg)); 134563ee04c8SGilad Ben-Yossef 134663ee04c8SGilad Ben-Yossef snprintf(alg->base.cra_name, CRYPTO_MAX_ALG_NAME, "%s", tmpl->name); 134763ee04c8SGilad Ben-Yossef snprintf(alg->base.cra_driver_name, CRYPTO_MAX_ALG_NAME, "%s", 134863ee04c8SGilad Ben-Yossef tmpl->driver_name); 134963ee04c8SGilad Ben-Yossef alg->base.cra_module = THIS_MODULE; 135063ee04c8SGilad Ben-Yossef alg->base.cra_priority = CC_CRA_PRIO; 135163ee04c8SGilad Ben-Yossef alg->base.cra_blocksize = tmpl->blocksize; 135263ee04c8SGilad Ben-Yossef alg->base.cra_alignmask = 0; 135363ee04c8SGilad Ben-Yossef alg->base.cra_ctxsize = sizeof(struct cc_cipher_ctx); 135463ee04c8SGilad Ben-Yossef 135563ee04c8SGilad Ben-Yossef alg->base.cra_init = cc_cipher_init; 135663ee04c8SGilad Ben-Yossef alg->base.cra_exit = cc_cipher_exit; 13572c95e6d9SEric Biggers alg->base.cra_flags = CRYPTO_ALG_ASYNC | CRYPTO_ALG_KERN_DRIVER_ONLY; 135863ee04c8SGilad Ben-Yossef 135963ee04c8SGilad Ben-Yossef t_alg->cipher_mode = tmpl->cipher_mode; 136063ee04c8SGilad Ben-Yossef t_alg->flow_mode = tmpl->flow_mode; 136163ee04c8SGilad Ben-Yossef t_alg->data_unit = tmpl->data_unit; 136263ee04c8SGilad Ben-Yossef 136363ee04c8SGilad Ben-Yossef return t_alg; 136463ee04c8SGilad Ben-Yossef } 136563ee04c8SGilad Ben-Yossef 136663ee04c8SGilad Ben-Yossef int cc_cipher_free(struct cc_drvdata *drvdata) 136763ee04c8SGilad Ben-Yossef { 136863ee04c8SGilad Ben-Yossef struct cc_crypto_alg *t_alg, *n; 136963ee04c8SGilad Ben-Yossef struct cc_cipher_handle *cipher_handle = drvdata->cipher_handle; 137063ee04c8SGilad Ben-Yossef 137163ee04c8SGilad Ben-Yossef if (cipher_handle) { 137263ee04c8SGilad Ben-Yossef /* Remove registered algs */ 137363ee04c8SGilad Ben-Yossef list_for_each_entry_safe(t_alg, n, &cipher_handle->alg_list, 137463ee04c8SGilad Ben-Yossef entry) { 137563ee04c8SGilad Ben-Yossef crypto_unregister_skcipher(&t_alg->skcipher_alg); 137663ee04c8SGilad Ben-Yossef list_del(&t_alg->entry); 137763ee04c8SGilad Ben-Yossef kfree(t_alg); 137863ee04c8SGilad Ben-Yossef } 137963ee04c8SGilad Ben-Yossef kfree(cipher_handle); 138063ee04c8SGilad Ben-Yossef drvdata->cipher_handle = NULL; 138163ee04c8SGilad Ben-Yossef } 138263ee04c8SGilad Ben-Yossef return 0; 138363ee04c8SGilad Ben-Yossef } 138463ee04c8SGilad Ben-Yossef 138563ee04c8SGilad Ben-Yossef int cc_cipher_alloc(struct cc_drvdata *drvdata) 138663ee04c8SGilad Ben-Yossef { 138763ee04c8SGilad Ben-Yossef struct cc_cipher_handle *cipher_handle; 138863ee04c8SGilad Ben-Yossef struct cc_crypto_alg *t_alg; 138963ee04c8SGilad Ben-Yossef struct device *dev = drvdata_to_dev(drvdata); 139063ee04c8SGilad Ben-Yossef int rc = -ENOMEM; 139163ee04c8SGilad Ben-Yossef int alg; 139263ee04c8SGilad Ben-Yossef 139363ee04c8SGilad Ben-Yossef cipher_handle = kmalloc(sizeof(*cipher_handle), GFP_KERNEL); 139463ee04c8SGilad Ben-Yossef if (!cipher_handle) 139563ee04c8SGilad Ben-Yossef return -ENOMEM; 139663ee04c8SGilad Ben-Yossef 139763ee04c8SGilad Ben-Yossef INIT_LIST_HEAD(&cipher_handle->alg_list); 139863ee04c8SGilad Ben-Yossef drvdata->cipher_handle = cipher_handle; 139963ee04c8SGilad Ben-Yossef 140063ee04c8SGilad Ben-Yossef /* Linux crypto */ 140163ee04c8SGilad Ben-Yossef dev_dbg(dev, "Number of algorithms = %zu\n", 140263ee04c8SGilad Ben-Yossef ARRAY_SIZE(skcipher_algs)); 140363ee04c8SGilad Ben-Yossef for (alg = 0; alg < ARRAY_SIZE(skcipher_algs); alg++) { 140427b3b22dSGilad Ben-Yossef if (skcipher_algs[alg].min_hw_rev > drvdata->hw_rev) 140527b3b22dSGilad Ben-Yossef continue; 140627b3b22dSGilad Ben-Yossef 140763ee04c8SGilad Ben-Yossef dev_dbg(dev, "creating %s\n", skcipher_algs[alg].driver_name); 140863ee04c8SGilad Ben-Yossef t_alg = cc_create_alg(&skcipher_algs[alg], dev); 140963ee04c8SGilad Ben-Yossef if (IS_ERR(t_alg)) { 141063ee04c8SGilad Ben-Yossef rc = PTR_ERR(t_alg); 141163ee04c8SGilad Ben-Yossef dev_err(dev, "%s alg allocation failed\n", 141263ee04c8SGilad Ben-Yossef skcipher_algs[alg].driver_name); 141363ee04c8SGilad Ben-Yossef goto fail0; 141463ee04c8SGilad Ben-Yossef } 141563ee04c8SGilad Ben-Yossef t_alg->drvdata = drvdata; 141663ee04c8SGilad Ben-Yossef 141763ee04c8SGilad Ben-Yossef dev_dbg(dev, "registering %s\n", 141863ee04c8SGilad Ben-Yossef skcipher_algs[alg].driver_name); 141963ee04c8SGilad Ben-Yossef rc = crypto_register_skcipher(&t_alg->skcipher_alg); 142063ee04c8SGilad Ben-Yossef dev_dbg(dev, "%s alg registration rc = %x\n", 142163ee04c8SGilad Ben-Yossef t_alg->skcipher_alg.base.cra_driver_name, rc); 142263ee04c8SGilad Ben-Yossef if (rc) { 142363ee04c8SGilad Ben-Yossef dev_err(dev, "%s alg registration failed\n", 142463ee04c8SGilad Ben-Yossef t_alg->skcipher_alg.base.cra_driver_name); 142563ee04c8SGilad Ben-Yossef kfree(t_alg); 142663ee04c8SGilad Ben-Yossef goto fail0; 142763ee04c8SGilad Ben-Yossef } else { 142863ee04c8SGilad Ben-Yossef list_add_tail(&t_alg->entry, 142963ee04c8SGilad Ben-Yossef &cipher_handle->alg_list); 143063ee04c8SGilad Ben-Yossef dev_dbg(dev, "Registered %s\n", 143163ee04c8SGilad Ben-Yossef t_alg->skcipher_alg.base.cra_driver_name); 143263ee04c8SGilad Ben-Yossef } 143363ee04c8SGilad Ben-Yossef } 143463ee04c8SGilad Ben-Yossef return 0; 143563ee04c8SGilad Ben-Yossef 143663ee04c8SGilad Ben-Yossef fail0: 143763ee04c8SGilad Ben-Yossef cc_cipher_free(drvdata); 143863ee04c8SGilad Ben-Yossef return rc; 143963ee04c8SGilad Ben-Yossef } 1440