/* SPDX-License-Identifier: GPL-2.0 */
/* Copyright (C) 2012-2019 ARM Limited (or its affiliates). */
#ifndef __CC_HW_QUEUE_DEFS_H__
#define __CC_HW_QUEUE_DEFS_H__
#include <linux/types.h>
#include "cc_kernel_regs.h"
#include <linux/bitfield.h>
/******************************************************************************
* DEFINITIONS
******************************************************************************/
#define HW_DESC_SIZE_WORDS 6
/* Define max. available slots in HW queue */
#define HW_QUEUE_SLOTS_MAX 15
#define CC_REG_LOW(name) (name ## _BIT_SHIFT)
#define CC_REG_HIGH(name) (CC_REG_LOW(name) + name ## _BIT_SIZE - 1 )
#define CC_GENMASK(name) GENMASK(CC_REG_HIGH(name), CC_REG_LOW(name))
#define CC_HWQ_GENMASK(word, field) \
CC_GENMASK(CC_DSCRPTR_QUEUE_WORD ## word ## _ ## field)
#define WORD0_VALUE CC_HWQ_GENMASK(0 , VALUE)
#define WORD0_CPP_CIPHER_MODE CC_HWQ_GENMASK(0 , CPP_CIPHER_MODE)
#define WORD1_DIN_CONST_VALUE CC_HWQ_GENMASK(1 , DIN_CONST_VALUE)
#define WORD1_DIN_DMA_MODE CC_HWQ_GENMASK(1 , DIN_DMA_MODE)
#define WORD1_DIN_SIZE CC_HWQ_GENMASK(1 , DIN_SIZE)
#define WORD1_NOT_LAST CC_HWQ_GENMASK(1 , NOT_LAST)
#define WORD1_NS_BIT CC_HWQ_GENMASK(1 , NS_BIT)
#define WORD1_LOCK_QUEUE CC_HWQ_GENMASK(1 , LOCK_QUEUE)
#define WORD2_VALUE CC_HWQ_GENMASK(2 , VALUE)
#define WORD3_DOUT_DMA_MODE CC_HWQ_GENMASK(3 , DOUT_DMA_MODE)
#define WORD3_DOUT_LAST_IND CC_HWQ_GENMASK(3 , DOUT_LAST_IND)
#define WORD3_DOUT_SIZE CC_HWQ_GENMASK(3 , DOUT_SIZE)
#define WORD3_HASH_XOR_BIT CC_HWQ_GENMASK(3 , HASH_XOR_BIT)
#define WORD3_NS_BIT CC_HWQ_GENMASK(3 , NS_BIT)
#define WORD3_QUEUE_LAST_IND CC_HWQ_GENMASK(3 , QUEUE_LAST_IND)
#define WORD4_ACK_NEEDED CC_HWQ_GENMASK(4 , ACK_NEEDED)
#define WORD4_AES_SEL_N_HASH CC_HWQ_GENMASK(4 , AES_SEL_N_HASH)
#define WORD4_AES_XOR_CRYPTO_KEY CC_HWQ_GENMASK(4 , AES_XOR_CRYPTO_KEY)
#define WORD4_BYTES_SWAP CC_HWQ_GENMASK(4 , BYTES_SWAP)
#define WORD4_CIPHER_CONF0 CC_HWQ_GENMASK(4 , CIPHER_CONF0)
#define WORD4_CIPHER_CONF1 CC_HWQ_GENMASK(4 , CIPHER_CONF1)
#define WORD4_CIPHER_CONF2 CC_HWQ_GENMASK(4 , CIPHER_CONF2)
#define WORD4_CIPHER_DO CC_HWQ_GENMASK(4 , CIPHER_DO)
#define WORD4_CIPHER_MODE CC_HWQ_GENMASK(4 , CIPHER_MODE)
#define WORD4_CMAC_SIZE0 CC_HWQ_GENMASK(4 , CMAC_SIZE0)
#define WORD4_DATA_FLOW_MODE CC_HWQ_GENMASK(4 , DATA_FLOW_MODE)
#define WORD4_KEY_SIZE CC_HWQ_GENMASK(4 , KEY_SIZE)
#define WORD4_SETUP_OPERATION CC_HWQ_GENMASK(4 , SETUP_OPERATION)
#define WORD5_DIN_ADDR_HIGH CC_HWQ_GENMASK(5 , DIN_ADDR_HIGH)
#define WORD5_DOUT_ADDR_HIGH CC_HWQ_GENMASK(5 , DOUT_ADDR_HIGH)
/******************************************************************************
* TYPE DEFINITIONS
******************************************************************************/
struct cc_hw_desc {
union {
u32 word[HW_DESC_SIZE_WORDS];
u16 hword[HW_DESC_SIZE_WORDS * 2 ];
};
};
enum cc_axi_sec {
AXI_SECURE = 0 ,
AXI_NOT_SECURE = 1
};
enum cc_desc_direction {
DESC_DIRECTION_ILLEGAL = -1 ,
DESC_DIRECTION_ENCRYPT_ENCRYPT = 0 ,
DESC_DIRECTION_DECRYPT_DECRYPT = 1 ,
DESC_DIRECTION_DECRYPT_ENCRYPT = 3 ,
DESC_DIRECTION_END = S32_MAX,
};
enum cc_dma_mode {
DMA_MODE_NULL = -1 ,
NO_DMA = 0 ,
DMA_SRAM = 1 ,
DMA_DLLI = 2 ,
DMA_MLLI = 3 ,
DMA_MODE_END = S32_MAX,
};
enum cc_flow_mode {
FLOW_MODE_NULL = -1 ,
/* data flows */
BYPASS = 0 ,
DIN_AES_DOUT = 1 ,
AES_to_HASH = 2 ,
AES_and_HASH = 3 ,
DIN_DES_DOUT = 4 ,
DES_to_HASH = 5 ,
DES_and_HASH = 6 ,
DIN_HASH = 7 ,
DIN_HASH_and_BYPASS = 8 ,
AESMAC_and_BYPASS = 9 ,
AES_to_HASH_and_DOUT = 10 ,
DIN_RC4_DOUT = 11 ,
DES_to_HASH_and_DOUT = 12 ,
AES_to_AES_to_HASH_and_DOUT = 13 ,
AES_to_AES_to_HASH = 14 ,
AES_to_HASH_and_AES = 15 ,
DIN_SM4_DOUT = 16 ,
DIN_AES_AESMAC = 17 ,
HASH_to_DOUT = 18 ,
/* setup flows */
S_DIN_to_AES = 32 ,
S_DIN_to_AES2 = 33 ,
S_DIN_to_DES = 34 ,
S_DIN_to_RC4 = 35 ,
S_DIN_to_SM4 = 36 ,
S_DIN_to_HASH = 37 ,
S_AES_to_DOUT = 38 ,
S_AES2_to_DOUT = 39 ,
S_SM4_to_DOUT = 40 ,
S_RC4_to_DOUT = 41 ,
S_DES_to_DOUT = 42 ,
S_HASH_to_DOUT = 43 ,
SET_FLOW_ID = 44 ,
FLOW_MODE_END = S32_MAX,
};
enum cc_setup_op {
SETUP_LOAD_NOP = 0 ,
SETUP_LOAD_STATE0 = 1 ,
SETUP_LOAD_STATE1 = 2 ,
SETUP_LOAD_STATE2 = 3 ,
SETUP_LOAD_KEY0 = 4 ,
SETUP_LOAD_XEX_KEY = 5 ,
SETUP_WRITE_STATE0 = 8 ,
SETUP_WRITE_STATE1 = 9 ,
SETUP_WRITE_STATE2 = 10 ,
SETUP_WRITE_STATE3 = 11 ,
SETUP_OP_END = S32_MAX,
};
enum cc_hash_conf_pad {
HASH_PADDING_DISABLED = 0 ,
HASH_PADDING_ENABLED = 1 ,
HASH_DIGEST_RESULT_LITTLE_ENDIAN = 2 ,
HASH_CONFIG1_PADDING_RESERVE32 = S32_MAX,
};
enum cc_aes_mac_selector {
AES_SK = 1 ,
AES_CMAC_INIT = 2 ,
AES_CMAC_SIZE0 = 3 ,
AES_MAC_END = S32_MAX,
};
#define HW_KEY_MASK_CIPHER_DO 0 x3
#define HW_KEY_SHIFT_CIPHER_CFG2 2
/* HwCryptoKey[1:0] is mapped to cipher_do[1:0] */
/* HwCryptoKey[2:3] is mapped to cipher_config2[1:0] */
enum cc_hw_crypto_key {
USER_KEY = 0 , /* 0x0000 */
ROOT_KEY = 1 , /* 0x0001 */
PROVISIONING_KEY = 2 , /* 0x0010 */ /* ==KCP */
SESSION_KEY = 3 , /* 0x0011 */
RESERVED_KEY = 4 , /* NA */
PLATFORM_KEY = 5 , /* 0x0101 */
CUSTOMER_KEY = 6 , /* 0x0110 */
KFDE0_KEY = 7 , /* 0x0111 */
KFDE1_KEY = 9 , /* 0x1001 */
KFDE2_KEY = 10 , /* 0x1010 */
KFDE3_KEY = 11 , /* 0x1011 */
END_OF_KEYS = S32_MAX,
};
#define CC_NUM_HW_KEY_SLOTS 4
#define CC_FIRST_HW_KEY_SLOT 0
#define CC_LAST_HW_KEY_SLOT (CC_FIRST_HW_KEY_SLOT + CC_NUM_HW_KEY_SLOTS - 1 )
#define CC_NUM_CPP_KEY_SLOTS 8
#define CC_FIRST_CPP_KEY_SLOT 16
#define CC_LAST_CPP_KEY_SLOT (CC_FIRST_CPP_KEY_SLOT + \
CC_NUM_CPP_KEY_SLOTS - 1 )
enum cc_hw_aes_key_size {
AES_128_KEY = 0 ,
AES_192_KEY = 1 ,
AES_256_KEY = 2 ,
END_OF_AES_KEYS = S32_MAX,
};
enum cc_hash_cipher_pad {
DO_NOT_PAD = 0 ,
DO_PAD = 1 ,
HASH_CIPHER_DO_PADDING_RESERVE32 = S32_MAX,
};
#define CC_CPP_DIN_ADDR 0 xFF00FF00UL
#define CC_CPP_DIN_SIZE 0 xFF00FFUL
/*****************************/
/* Descriptor packing macros */
/*****************************/
/**
* hw_desc_init ( ) - Init a HW descriptor struct
* @ pdesc : pointer to HW descriptor struct
*/
static inline void hw_desc_init(struct cc_hw_desc *pdesc)
{
memset(pdesc, 0 , sizeof (struct cc_hw_desc));
}
/**
* set_queue_last_ind_bit ( ) - Indicate the end of current HW descriptors flow
* and release the HW engines .
*
* @ pdesc : Pointer to HW descriptor struct
*/
static inline void set_queue_last_ind_bit(struct cc_hw_desc *pdesc)
{
pdesc->word[3 ] |= FIELD_PREP(WORD3_QUEUE_LAST_IND, 1 );
}
/**
* set_din_type ( ) - Set the DIN field of a HW descriptor
*
* @ pdesc : Pointer to HW descriptor struct
* @ dma_mode : The DMA mode : NO_DMA , SRAM , DLLI , MLLI , CONSTANT
* @ addr : DIN address
* @ size : Data size in bytes
* @ axi_sec : AXI secure bit
*/
static inline void set_din_type(struct cc_hw_desc *pdesc,
enum cc_dma_mode dma_mode, dma_addr_t addr,
u32 size, enum cc_axi_sec axi_sec)
{
pdesc->word[0 ] = lower_32_bits(addr);
#ifdef CONFIG_ARCH_DMA_ADDR_T_64BIT
pdesc->word[5 ] |= FIELD_PREP(WORD5_DIN_ADDR_HIGH, upper_32_bits(addr));
#endif
pdesc->word[1 ] |= FIELD_PREP(WORD1_DIN_DMA_MODE, dma_mode) |
FIELD_PREP(WORD1_DIN_SIZE, size) |
FIELD_PREP(WORD1_NS_BIT, axi_sec);
}
/**
* set_din_no_dma ( ) - Set the DIN field of a HW descriptor to NO DMA mode .
* Used for NOP descriptor , register patches and other special modes .
*
* @ pdesc : Pointer to HW descriptor struct
* @ addr : DIN address
* @ size : Data size in bytes
*/
static inline void set_din_no_dma(struct cc_hw_desc *pdesc, u32 addr, u32 size)
{
pdesc->word[0 ] = addr;
pdesc->word[1 ] |= FIELD_PREP(WORD1_DIN_SIZE, size);
}
/**
* set_cpp_crypto_key ( ) - Setup the special CPP descriptor
*
* @ pdesc : Pointer to HW descriptor struct
* @ slot : Slot number
*/
static inline void set_cpp_crypto_key(struct cc_hw_desc *pdesc, u8 slot)
{
pdesc->word[0 ] |= CC_CPP_DIN_ADDR;
pdesc->word[1 ] |= FIELD_PREP(WORD1_DIN_SIZE, CC_CPP_DIN_SIZE);
pdesc->word[1 ] |= FIELD_PREP(WORD1_LOCK_QUEUE, 1 );
pdesc->word[4 ] |= FIELD_PREP(WORD4_SETUP_OPERATION, slot);
}
/**
* set_din_sram ( ) - Set the DIN field of a HW descriptor to SRAM mode .
* Note : No need to check SRAM alignment since host requests do not use SRAM and
* the adaptor will enforce alignment checks .
*
* @ pdesc : Pointer to HW descriptor struct
* @ addr : DIN address
* @ size : Data size in bytes
*/
static inline void set_din_sram(struct cc_hw_desc *pdesc, u32 addr, u32 size)
{
pdesc->word[0 ] = addr;
pdesc->word[1 ] |= FIELD_PREP(WORD1_DIN_SIZE, size) |
FIELD_PREP(WORD1_DIN_DMA_MODE, DMA_SRAM);
}
/**
* set_din_const ( ) - Set the DIN field of a HW descriptor to CONST mode
*
* @ pdesc : Pointer to HW descriptor struct
* @ val : DIN const value
* @ size : Data size in bytes
*/
static inline void set_din_const(struct cc_hw_desc *pdesc, u32 val, u32 size)
{
pdesc->word[0 ] = val;
pdesc->word[1 ] |= FIELD_PREP(WORD1_DIN_CONST_VALUE, 1 ) |
FIELD_PREP(WORD1_DIN_DMA_MODE, DMA_SRAM) |
FIELD_PREP(WORD1_DIN_SIZE, size);
}
/**
* set_din_not_last_indication ( ) - Set the DIN not last input data indicator
*
* @ pdesc : Pointer to HW descriptor struct
*/
static inline void set_din_not_last_indication(struct cc_hw_desc *pdesc)
{
pdesc->word[1 ] |= FIELD_PREP(WORD1_NOT_LAST, 1 );
}
/**
* set_dout_type ( ) - Set the DOUT field of a HW descriptor
*
* @ pdesc : Pointer to HW descriptor struct
* @ dma_mode : The DMA mode : NO_DMA , SRAM , DLLI , MLLI , CONSTANT
* @ addr : DOUT address
* @ size : Data size in bytes
* @ axi_sec : AXI secure bit
*/
static inline void set_dout_type(struct cc_hw_desc *pdesc,
enum cc_dma_mode dma_mode, dma_addr_t addr,
u32 size, enum cc_axi_sec axi_sec)
{
pdesc->word[2 ] = lower_32_bits(addr);
#ifdef CONFIG_ARCH_DMA_ADDR_T_64BIT
pdesc->word[5 ] |= FIELD_PREP(WORD5_DOUT_ADDR_HIGH, upper_32_bits(addr));
#endif
pdesc->word[3 ] |= FIELD_PREP(WORD3_DOUT_DMA_MODE, dma_mode) |
FIELD_PREP(WORD3_DOUT_SIZE, size) |
FIELD_PREP(WORD3_NS_BIT, axi_sec);
}
/**
* set_dout_dlli ( ) - Set the DOUT field of a HW descriptor to DLLI type
* The LAST INDICATION is provided by the user
*
* @ pdesc : Pointer to HW descriptor struct
* @ addr : DOUT address
* @ size : Data size in bytes
* @ axi_sec : AXI secure bit
* @ last_ind : The last indication bit
*/
static inline void set_dout_dlli(struct cc_hw_desc *pdesc, dma_addr_t addr,
u32 size, enum cc_axi_sec axi_sec,
u32 last_ind)
{
set_dout_type(pdesc, DMA_DLLI, addr, size, axi_sec);
pdesc->word[3 ] |= FIELD_PREP(WORD3_DOUT_LAST_IND, last_ind);
}
/**
* set_dout_mlli ( ) - Set the DOUT field of a HW descriptor to MLLI type
* The LAST INDICATION is provided by the user
*
* @ pdesc : Pointer to HW descriptor struct
* @ addr : DOUT address
* @ size : Data size in bytes
* @ axi_sec : AXI secure bit
* @ last_ind : The last indication bit
*/
static inline void set_dout_mlli(struct cc_hw_desc *pdesc, u32 addr, u32 size,
enum cc_axi_sec axi_sec, bool last_ind)
{
set_dout_type(pdesc, DMA_MLLI, addr, size, axi_sec);
pdesc->word[3 ] |= FIELD_PREP(WORD3_DOUT_LAST_IND, last_ind);
}
/**
* set_dout_no_dma ( ) - Set the DOUT field of a HW descriptor to NO DMA mode .
* Used for NOP descriptor , register patches and other special modes .
*
* @ pdesc : pointer to HW descriptor struct
* @ addr : DOUT address
* @ size : Data size in bytes
* @ write_enable : Enables a write operation to a register
*/
static inline void set_dout_no_dma(struct cc_hw_desc *pdesc, u32 addr,
u32 size, bool write_enable)
{
pdesc->word[2 ] = addr;
pdesc->word[3 ] |= FIELD_PREP(WORD3_DOUT_SIZE, size) |
FIELD_PREP(WORD3_DOUT_LAST_IND, write_enable);
}
/**
* set_xor_val ( ) - Set the word for the XOR operation .
*
* @ pdesc : Pointer to HW descriptor struct
* @ val : XOR data value
*/
static inline void set_xor_val(struct cc_hw_desc *pdesc, u32 val)
{
pdesc->word[2 ] = val;
}
/**
* set_xor_active ( ) - Set the XOR indicator bit in the descriptor
*
* @ pdesc : Pointer to HW descriptor struct
*/
static inline void set_xor_active(struct cc_hw_desc *pdesc)
{
pdesc->word[3 ] |= FIELD_PREP(WORD3_HASH_XOR_BIT, 1 );
}
/**
* set_aes_not_hash_mode ( ) - Select the AES engine instead of HASH engine when
* setting up combined mode with AES XCBC MAC
*
* @ pdesc : Pointer to HW descriptor struct
*/
static inline void set_aes_not_hash_mode(struct cc_hw_desc *pdesc)
{
pdesc->word[4 ] |= FIELD_PREP(WORD4_AES_SEL_N_HASH, 1 );
}
/**
* set_aes_xor_crypto_key ( ) - Set aes xor crypto key , which in some scenarios
* selects the SM3 engine
*
* @ pdesc : Pointer to HW descriptor struct
*/
static inline void set_aes_xor_crypto_key(struct cc_hw_desc *pdesc)
{
pdesc->word[4 ] |= FIELD_PREP(WORD4_AES_XOR_CRYPTO_KEY, 1 );
}
/**
* set_dout_sram ( ) - Set the DOUT field of a HW descriptor to SRAM mode
* Note : No need to check SRAM alignment since host requests do not use SRAM and
* the adaptor will enforce alignment checks .
*
* @ pdesc : Pointer to HW descriptor struct
* @ addr : DOUT address
* @ size : Data size in bytes
*/
static inline void set_dout_sram(struct cc_hw_desc *pdesc, u32 addr, u32 size)
{
pdesc->word[2 ] = addr;
pdesc->word[3 ] |= FIELD_PREP(WORD3_DOUT_DMA_MODE, DMA_SRAM) |
FIELD_PREP(WORD3_DOUT_SIZE, size);
}
/**
* set_xex_data_unit_size ( ) - Set the data unit size for XEX mode in
* data_out_addr [ 15 : 0 ]
*
* @ pdesc : Pointer to HW descriptor struct
* @ size : Data unit size for XEX mode
*/
static inline void set_xex_data_unit_size(struct cc_hw_desc *pdesc, u32 size)
{
pdesc->word[2 ] = size;
}
/**
* set_multi2_num_rounds ( ) - Set the number of rounds for Multi2 in
* data_out_addr [ 15 : 0 ]
*
* @ pdesc : Pointer to HW descriptor struct
* @ num : Number of rounds for Multi2
*/
static inline void set_multi2_num_rounds(struct cc_hw_desc *pdesc, u32 num)
{
pdesc->word[2 ] = num;
}
/**
* set_flow_mode ( ) - Set the flow mode .
*
* @ pdesc : Pointer to HW descriptor struct
* @ mode : Any one of the modes defined in [ CC7x - DESC ]
*/
static inline void set_flow_mode(struct cc_hw_desc *pdesc,
enum cc_flow_mode mode)
{
pdesc->word[4 ] |= FIELD_PREP(WORD4_DATA_FLOW_MODE, mode);
}
/**
* set_cipher_mode ( ) - Set the cipher mode .
*
* @ pdesc : Pointer to HW descriptor struct
* @ mode : Any one of the modes defined in [ CC7x - DESC ]
*/
static inline void set_cipher_mode(struct cc_hw_desc *pdesc, int mode)
{
pdesc->word[4 ] |= FIELD_PREP(WORD4_CIPHER_MODE, mode);
}
/**
* set_hash_cipher_mode ( ) - Set the cipher mode for hash algorithms .
*
* @ pdesc : Pointer to HW descriptor struct
* @ cipher_mode : Any one of the modes defined in [ CC7x - DESC ]
* @ hash_mode : specifies which hash is being handled
*/
static inline void set_hash_cipher_mode(struct cc_hw_desc *pdesc,
enum drv_cipher_mode cipher_mode,
enum drv_hash_mode hash_mode)
{
set_cipher_mode(pdesc, cipher_mode);
if (hash_mode == DRV_HASH_SM3)
set_aes_xor_crypto_key(pdesc);
}
/**
* set_cipher_config0 ( ) - Set the cipher configuration fields .
*
* @ pdesc : Pointer to HW descriptor struct
* @ mode : Any one of the modes defined in [ CC7x - DESC ]
*/
static inline void set_cipher_config0(struct cc_hw_desc *pdesc, int mode)
{
pdesc->word[4 ] |= FIELD_PREP(WORD4_CIPHER_CONF0, mode);
}
/**
* set_cipher_config1 ( ) - Set the cipher configuration fields .
*
* @ pdesc : Pointer to HW descriptor struct
* @ config : Padding mode
*/
static inline void set_cipher_config1(struct cc_hw_desc *pdesc,
enum cc_hash_conf_pad config)
{
pdesc->word[4 ] |= FIELD_PREP(WORD4_CIPHER_CONF1, config);
}
/**
* set_hw_crypto_key ( ) - Set HW key configuration fields .
*
* @ pdesc : Pointer to HW descriptor struct
* @ hw_key : The HW key slot asdefined in enum cc_hw_crypto_key
*/
static inline void set_hw_crypto_key(struct cc_hw_desc *pdesc,
enum cc_hw_crypto_key hw_key)
{
pdesc->word[4 ] |= FIELD_PREP(WORD4_CIPHER_DO,
(hw_key & HW_KEY_MASK_CIPHER_DO)) |
FIELD_PREP(WORD4_CIPHER_CONF2,
(hw_key >> HW_KEY_SHIFT_CIPHER_CFG2));
}
/**
* set_bytes_swap ( ) - Set byte order of all setup - finalize descriptors .
*
* @ pdesc : Pointer to HW descriptor struct
* @ config : True to enable byte swapping
*/
static inline void set_bytes_swap(struct cc_hw_desc *pdesc, bool config)
{
pdesc->word[4 ] |= FIELD_PREP(WORD4_BYTES_SWAP, config);
}
/**
* set_cmac_size0_mode ( ) - Set CMAC_SIZE0 mode .
*
* @ pdesc : Pointer to HW descriptor struct
*/
static inline void set_cmac_size0_mode(struct cc_hw_desc *pdesc)
{
pdesc->word[4 ] |= FIELD_PREP(WORD4_CMAC_SIZE0, 1 );
}
/**
* set_key_size ( ) - Set key size descriptor field .
*
* @ pdesc : Pointer to HW descriptor struct
* @ size : Key size in bytes ( NOT size code )
*/
static inline void set_key_size(struct cc_hw_desc *pdesc, u32 size)
{
pdesc->word[4 ] |= FIELD_PREP(WORD4_KEY_SIZE, size);
}
/**
* set_key_size_aes ( ) - Set AES key size .
*
* @ pdesc : Pointer to HW descriptor struct
* @ size : Key size in bytes ( NOT size code )
*/
static inline void set_key_size_aes(struct cc_hw_desc *pdesc, u32 size)
{
set_key_size(pdesc, ((size >> 3 ) - 2 ));
}
/**
* set_key_size_des ( ) - Set DES key size .
*
* @ pdesc : Pointer to HW descriptor struct
* @ size : Key size in bytes ( NOT size code )
*/
static inline void set_key_size_des(struct cc_hw_desc *pdesc, u32 size)
{
set_key_size(pdesc, ((size >> 3 ) - 1 ));
}
/**
* set_setup_mode ( ) - Set the descriptor setup mode
*
* @ pdesc : Pointer to HW descriptor struct
* @ mode : Any one of the setup modes defined in [ CC7x - DESC ]
*/
static inline void set_setup_mode(struct cc_hw_desc *pdesc,
enum cc_setup_op mode)
{
pdesc->word[4 ] |= FIELD_PREP(WORD4_SETUP_OPERATION, mode);
}
/**
* set_cipher_do ( ) - Set the descriptor cipher DO
*
* @ pdesc : Pointer to HW descriptor struct
* @ config : Any one of the cipher do defined in [ CC7x - DESC ]
*/
static inline void set_cipher_do(struct cc_hw_desc *pdesc,
enum cc_hash_cipher_pad config)
{
pdesc->word[4 ] |= FIELD_PREP(WORD4_CIPHER_DO,
(config & HW_KEY_MASK_CIPHER_DO));
}
#endif /*__CC_HW_QUEUE_DEFS_H__*/
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