diff options
Diffstat (limited to 'drivers/staging/ccree/cc_aead.h')
| -rw-r--r-- | drivers/staging/ccree/cc_aead.h | 109 |
1 files changed, 0 insertions, 109 deletions
diff --git a/drivers/staging/ccree/cc_aead.h b/drivers/staging/ccree/cc_aead.h deleted file mode 100644 index 5edf3b351fa4..000000000000 --- a/drivers/staging/ccree/cc_aead.h +++ /dev/null @@ -1,109 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/* Copyright (C) 2012-2018 ARM Limited or its affiliates. */ - -/* \file cc_aead.h - * ARM CryptoCell AEAD Crypto API - */ - -#ifndef __CC_AEAD_H__ -#define __CC_AEAD_H__ - -#include <linux/kernel.h> -#include <crypto/algapi.h> -#include <crypto/ctr.h> - -/* mac_cmp - HW writes 8 B but all bytes hold the same value */ -#define ICV_CMP_SIZE 8 -#define CCM_CONFIG_BUF_SIZE (AES_BLOCK_SIZE * 3) -#define MAX_MAC_SIZE SHA256_DIGEST_SIZE - -/* defines for AES GCM configuration buffer */ -#define GCM_BLOCK_LEN_SIZE 8 - -#define GCM_BLOCK_RFC4_IV_OFFSET 4 -#define GCM_BLOCK_RFC4_IV_SIZE 8 /* IV size for rfc's */ -#define GCM_BLOCK_RFC4_NONCE_OFFSET 0 -#define GCM_BLOCK_RFC4_NONCE_SIZE 4 - -/* Offsets into AES CCM configuration buffer */ -#define CCM_B0_OFFSET 0 -#define CCM_A0_OFFSET 16 -#define CCM_CTR_COUNT_0_OFFSET 32 -/* CCM B0 and CTR_COUNT constants. */ -#define CCM_BLOCK_NONCE_OFFSET 1 /* Nonce offset inside B0 and CTR_COUNT */ -#define CCM_BLOCK_NONCE_SIZE 3 /* Nonce size inside B0 and CTR_COUNT */ -#define CCM_BLOCK_IV_OFFSET 4 /* IV offset inside B0 and CTR_COUNT */ -#define CCM_BLOCK_IV_SIZE 8 /* IV size inside B0 and CTR_COUNT */ - -enum aead_ccm_header_size { - ccm_header_size_null = -1, - ccm_header_size_zero = 0, - ccm_header_size_2 = 2, - ccm_header_size_6 = 6, - ccm_header_size_max = S32_MAX -}; - -struct aead_req_ctx { - /* Allocate cache line although only 4 bytes are needed to - * assure next field falls @ cache line - * Used for both: digest HW compare and CCM/GCM MAC value - */ - u8 mac_buf[MAX_MAC_SIZE] ____cacheline_aligned; - u8 ctr_iv[AES_BLOCK_SIZE] ____cacheline_aligned; - - //used in gcm - u8 gcm_iv_inc1[AES_BLOCK_SIZE] ____cacheline_aligned; - u8 gcm_iv_inc2[AES_BLOCK_SIZE] ____cacheline_aligned; - u8 hkey[AES_BLOCK_SIZE] ____cacheline_aligned; - struct { - u8 len_a[GCM_BLOCK_LEN_SIZE] ____cacheline_aligned; - u8 len_c[GCM_BLOCK_LEN_SIZE]; - } gcm_len_block; - - u8 ccm_config[CCM_CONFIG_BUF_SIZE] ____cacheline_aligned; - /* HW actual size input */ - unsigned int hw_iv_size ____cacheline_aligned; - /* used to prevent cache coherence problem */ - u8 backup_mac[MAX_MAC_SIZE]; - u8 *backup_iv; /*store iv for generated IV flow*/ - u8 *backup_giv; /*store iv for rfc3686(ctr) flow*/ - dma_addr_t mac_buf_dma_addr; /* internal ICV DMA buffer */ - /* buffer for internal ccm configurations */ - dma_addr_t ccm_iv0_dma_addr; - dma_addr_t icv_dma_addr; /* Phys. address of ICV */ - - //used in gcm - /* buffer for internal gcm configurations */ - dma_addr_t gcm_iv_inc1_dma_addr; - /* buffer for internal gcm configurations */ - dma_addr_t gcm_iv_inc2_dma_addr; - dma_addr_t hkey_dma_addr; /* Phys. address of hkey */ - dma_addr_t gcm_block_len_dma_addr; /* Phys. address of gcm block len */ - bool is_gcm4543; - - u8 *icv_virt_addr; /* Virt. address of ICV */ - struct async_gen_req_ctx gen_ctx; - struct cc_mlli assoc; - struct cc_mlli src; - struct cc_mlli dst; - struct scatterlist *src_sgl; - struct scatterlist *dst_sgl; - unsigned int src_offset; - unsigned int dst_offset; - enum cc_req_dma_buf_type assoc_buff_type; - enum cc_req_dma_buf_type data_buff_type; - struct mlli_params mlli_params; - unsigned int cryptlen; - struct scatterlist ccm_adata_sg; - enum aead_ccm_header_size ccm_hdr_size; - unsigned int req_authsize; - enum drv_cipher_mode cipher_mode; - bool is_icv_fragmented; - bool is_single_pass; - bool plaintext_authenticate_only; //for gcm_rfc4543 -}; - -int cc_aead_alloc(struct cc_drvdata *drvdata); -int cc_aead_free(struct cc_drvdata *drvdata); - -#endif /*__CC_AEAD_H__*/ |