crypto/ccree/cc_cipher.h

0001 /* SPDX-License-Identifier: GPL-2.0 */
0002 /* Copyright (C) 2012-2019 ARM Limited (or its affiliates). */
0003
0004 /* \file cc_cipher.h
0005  * ARM CryptoCell Cipher Crypto API
0006  */
0007
0008 #ifndef __CC_CIPHER_H__
0009 #define __CC_CIPHER_H__
0010
0011 #include <linux/kernel.h>
0012 #include <crypto/algapi.h>
0013 #include "cc_driver.h"
0014 #include "cc_buffer_mgr.h"
0015
0016 struct cipher_req_ctx {
0017     struct async_gen_req_ctx gen_ctx;
0018     enum cc_req_dma_buf_type dma_buf_type;
0019     u32 in_nents;
0020     u32 in_mlli_nents;
0021     u32 out_nents;
0022     u32 out_mlli_nents;
0023     u8 *iv;
0024     struct mlli_params mlli_params;
0025 };
0026
0027 int cc_cipher_alloc(struct cc_drvdata *drvdata);
0028
0029 int cc_cipher_free(struct cc_drvdata *drvdata);
0030
0031 struct cc_hkey_info {
0032     u16 keylen;
0033     u8 hw_key1;
0034     u8 hw_key2;
0035 } __packed;
0036
0037 #define CC_HW_KEY_SIZE sizeof(struct cc_hkey_info)
0038
0039 #endif /*__CC_CIPHER_H__*/