#include <linux/bitops.h>

Data Structures
struct	uint64

struct	hash_register

struct	hash_state

struct	hash_config

struct	hash_dma

struct	hash_ctx

struct	hash_req_ctx

struct	hash_device_data

Macros
#define	HASH_BLOCK_SIZE 64

#define	HASH_DMA_ALIGN_SIZE 4

#define	HASH_DMA_PERFORMANCE_MIN_SIZE 1024

#define	HASH_BYTES_PER_WORD 4

#define	HASH_HIGH_WORD_MAX_VAL 0xFFFFFFFFUL

#define	HASH_RESET_CR_VALUE 0x0

#define	HASH_RESET_STR_VALUE 0x0

#define	HASH_CSR_COUNT 52

#define	HASH_RESET_CSRX_REG_VALUE 0x0

#define	HASH_RESET_CSFULL_REG_VALUE 0x0

#define	HASH_RESET_CSDATAIN_REG_VALUE 0x0

#define	HASH_RESET_INDEX_VAL 0x0

#define	HASH_RESET_BIT_INDEX_VAL 0x0

#define	HASH_RESET_BUFFER_VAL 0x0

#define	HASH_RESET_LEN_HIGH_VAL 0x0

#define	HASH_RESET_LEN_LOW_VAL 0x0

#define	HASH_CR_RESUME_MASK 0x11FCF

#define	HASH_CR_SWITCHON_POS 31

#define	HASH_CR_SWITCHON_MASK BIT(31)

#define	HASH_CR_EMPTYMSG_POS 20

#define	HASH_CR_EMPTYMSG_MASK BIT(20)

#define	HASH_CR_DINF_POS 12

#define	HASH_CR_DINF_MASK BIT(12)

#define	HASH_CR_NBW_POS 8

#define	HASH_CR_NBW_MASK 0x00000F00UL

#define	HASH_CR_LKEY_POS 16

#define	HASH_CR_LKEY_MASK BIT(16)

#define	HASH_CR_ALGO_POS 7

#define	HASH_CR_ALGO_MASK BIT(7)

#define	HASH_CR_MODE_POS 6

#define	HASH_CR_MODE_MASK BIT(6)

#define	HASH_CR_DATAFORM_POS 4

#define	HASH_CR_DATAFORM_MASK (BIT(4) \| BIT(5))

#define	HASH_CR_DMAE_POS 3

#define	HASH_CR_DMAE_MASK BIT(3)

#define	HASH_CR_INIT_POS 2

#define	HASH_CR_INIT_MASK BIT(2)

#define	HASH_CR_PRIVN_POS 1

#define	HASH_CR_PRIVN_MASK BIT(1)

#define	HASH_CR_SECN_POS 0

#define	HASH_CR_SECN_MASK BIT(0)

#define	HASH_STR_DCAL_POS 8

#define	HASH_STR_DCAL_MASK BIT(8)

#define	HASH_STR_DEFAULT 0x0

#define	HASH_STR_NBLW_POS 0

#define	HASH_STR_NBLW_MASK 0x0000001FUL

#define	HASH_NBLW_MAX_VAL 0x1F

#define	HASH_P_ID0 0xE0

#define	HASH_P_ID1 0x05

#define	HASH_P_ID2 0x38

#define	HASH_P_ID3 0x00

#define	HASH_CELL_ID0 0x0D

#define	HASH_CELL_ID1 0xF0

#define	HASH_CELL_ID2 0x05

#define	HASH_CELL_ID3 0xB1

#define	HASH_SET_BITS(reg_name, mask) writel_relaxed((readl_relaxed(reg_name) \| mask), reg_name)

#define	HASH_CLEAR_BITS(reg_name, mask) writel_relaxed((readl_relaxed(reg_name) & ~mask), reg_name)

#define	HASH_PUT_BITS(reg, val, shift, mask)

#define	HASH_SET_DIN(val, len) writesl(&device_data->base->din, (val), (len))

#define	HASH_INITIALIZE

#define	HASH_SET_DATA_FORMAT(data_format)

#define	HASH_SET_NBLW(val)

#define	HASH_SET_DCAL

Enumerations
enum	hash_mode { HASH_MODE_CPU, HASH_MODE_DMA }

enum	hash_device_id { HASH_DEVICE_ID_0 = 0, HASH_DEVICE_ID_1 = 1 }

enum	hash_data_format { HASH_DATA_32_BITS = 0x0, HASH_DATA_16_BITS = 0x1, HASH_DATA_8_BITS = 0x2, HASH_DATA_1_BIT = 0x3 }

enum	hash_algo { HASH_ALGO_SHA1 = 0x0, HASH_ALGO_SHA256 = 0x1 }

enum	hash_op { COP_SHA1, COP_HMAC_SHA1, HASH_OPER_MODE_HASH = 0x0, HASH_OPER_MODE_HMAC = 0x1 }

Functions
int	hash_check_hw (struct hash_device_data *device_data)

int	hash_setconfiguration (struct hash_device_data device_data, struct hash_config config)

void	hash_begin (struct hash_device_data device_data, struct hash_ctx ctx)

void	hash_get_digest (struct hash_device_data device_data, u8 digest, int algorithm)

int	hash_hw_update (struct ahash_request *req)

int	hash_save_state (struct hash_device_data device_data, struct hash_state state)

int	hash_resume_state (struct hash_device_data device_data, const struct hash_state state)

Macro Definition Documentation

#define HASH_BLOCK_SIZE 64

Definition at line 13 of file hash_alg.h.

#define HASH_BYTES_PER_WORD 4

Definition at line 16 of file hash_alg.h.

#define HASH_CELL_ID0 0x0D

Definition at line 92 of file hash_alg.h.

#define HASH_CELL_ID1 0xF0

Definition at line 93 of file hash_alg.h.

#define HASH_CELL_ID2 0x05

Definition at line 94 of file hash_alg.h.

#define HASH_CELL_ID3 0xB1

Definition at line 95 of file hash_alg.h.

#define HASH_CLEAR_BITS	(	reg_name,
		mask
	)	writel_relaxed((readl_relaxed(reg_name) & ~mask), reg_name)

Definition at line 100 of file hash_alg.h.

#define HASH_CR_ALGO_MASK BIT(7)

Definition at line 57 of file hash_alg.h.

#define HASH_CR_ALGO_POS 7

Definition at line 56 of file hash_alg.h.

#define HASH_CR_DATAFORM_MASK (BIT(4) | BIT(5))

Definition at line 63 of file hash_alg.h.

#define HASH_CR_DATAFORM_POS 4

Definition at line 62 of file hash_alg.h.

#define HASH_CR_DINF_MASK BIT(12)

Definition at line 48 of file hash_alg.h.

#define HASH_CR_DINF_POS 12

Definition at line 47 of file hash_alg.h.

#define HASH_CR_DMAE_MASK BIT(3)

Definition at line 66 of file hash_alg.h.

#define HASH_CR_DMAE_POS 3

Definition at line 65 of file hash_alg.h.

#define HASH_CR_EMPTYMSG_MASK BIT(20)

Definition at line 45 of file hash_alg.h.

#define HASH_CR_EMPTYMSG_POS 20

Definition at line 44 of file hash_alg.h.

#define HASH_CR_INIT_MASK BIT(2)

Definition at line 69 of file hash_alg.h.

#define HASH_CR_INIT_POS 2

Definition at line 68 of file hash_alg.h.

#define HASH_CR_LKEY_MASK BIT(16)

Definition at line 54 of file hash_alg.h.

#define HASH_CR_LKEY_POS 16

Definition at line 53 of file hash_alg.h.

#define HASH_CR_MODE_MASK BIT(6)

Definition at line 60 of file hash_alg.h.

#define HASH_CR_MODE_POS 6

Definition at line 59 of file hash_alg.h.

#define HASH_CR_NBW_MASK 0x00000F00UL

Definition at line 51 of file hash_alg.h.

#define HASH_CR_NBW_POS 8

Definition at line 50 of file hash_alg.h.

#define HASH_CR_PRIVN_MASK BIT(1)

Definition at line 72 of file hash_alg.h.

#define HASH_CR_PRIVN_POS 1

Definition at line 71 of file hash_alg.h.

#define HASH_CR_RESUME_MASK 0x11FCF

Definition at line 39 of file hash_alg.h.

#define HASH_CR_SECN_MASK BIT(0)

Definition at line 75 of file hash_alg.h.

#define HASH_CR_SECN_POS 0

Definition at line 74 of file hash_alg.h.

#define HASH_CR_SWITCHON_MASK BIT(31)

Definition at line 42 of file hash_alg.h.

#define HASH_CR_SWITCHON_POS 31

Definition at line 41 of file hash_alg.h.

#define HASH_CSR_COUNT 52

Definition at line 26 of file hash_alg.h.

#define HASH_DMA_ALIGN_SIZE 4

Definition at line 14 of file hash_alg.h.

#define HASH_DMA_PERFORMANCE_MIN_SIZE 1024

Definition at line 15 of file hash_alg.h.

#define HASH_HIGH_WORD_MAX_VAL 0xFFFFFFFFUL

Definition at line 19 of file hash_alg.h.

#define HASH_INITIALIZE

Value:

HASH_PUT_BITS(          \
        &device_data->base->cr, \
        0x01, HASH_CR_INIT_POS, \
        HASH_CR_INIT_MASK)

Definition at line 109 of file hash_alg.h.

#define HASH_NBLW_MAX_VAL 0x1F

Definition at line 85 of file hash_alg.h.

#define HASH_P_ID0 0xE0

Definition at line 88 of file hash_alg.h.

#define HASH_P_ID1 0x05

Definition at line 89 of file hash_alg.h.

#define HASH_P_ID2 0x38

Definition at line 90 of file hash_alg.h.

#define HASH_P_ID3 0x00

Definition at line 91 of file hash_alg.h.

#define HASH_PUT_BITS	(	reg,
		val,
		shift,
		mask
	)

Value:

writel_relaxed(((readl(reg) & ~(mask)) | \

(((u32)val << shift) & (mask))), reg)

Definition at line 103 of file hash_alg.h.

#define HASH_RESET_BIT_INDEX_VAL 0x0

Definition at line 33 of file hash_alg.h.

#define HASH_RESET_BUFFER_VAL 0x0

Definition at line 34 of file hash_alg.h.

#define HASH_RESET_CR_VALUE 0x0

Definition at line 22 of file hash_alg.h.

#define HASH_RESET_CSDATAIN_REG_VALUE 0x0

Definition at line 30 of file hash_alg.h.

#define HASH_RESET_CSFULL_REG_VALUE 0x0

Definition at line 29 of file hash_alg.h.

#define HASH_RESET_CSRX_REG_VALUE 0x0

Definition at line 28 of file hash_alg.h.

#define HASH_RESET_INDEX_VAL 0x0

Definition at line 32 of file hash_alg.h.

#define HASH_RESET_LEN_HIGH_VAL 0x0

Definition at line 35 of file hash_alg.h.

#define HASH_RESET_LEN_LOW_VAL 0x0

Definition at line 36 of file hash_alg.h.

#define HASH_RESET_STR_VALUE 0x0

Definition at line 23 of file hash_alg.h.

#define HASH_SET_BITS	(	reg_name,
		mask
	)	writel_relaxed((readl_relaxed(reg_name) \| mask), reg_name)

Definition at line 97 of file hash_alg.h.

#define HASH_SET_DATA_FORMAT ( data_format )

Value:

HASH_PUT_BITS(                      \
            &device_data->base->cr,             \
            (u32) (data_format), HASH_CR_DATAFORM_POS,  \
            HASH_CR_DATAFORM_MASK)

Definition at line 115 of file hash_alg.h.

#define HASH_SET_DCAL

Value:

HASH_PUT_BITS(              \
            &device_data->base->str,    \
            0x01, HASH_STR_DCAL_POS,    \
            HASH_STR_DCAL_MASK)

Definition at line 125 of file hash_alg.h.

#define HASH_SET_DIN	(	val,
		len
	)	writesl(&device_data->base->din, (val), (len))

Definition at line 107 of file hash_alg.h.

#define HASH_SET_NBLW ( val )

Value:

HASH_PUT_BITS(                  \
            &device_data->base->str,        \
            (u32) (val), HASH_STR_NBLW_POS,     \
            HASH_STR_NBLW_MASK)

Definition at line 120 of file hash_alg.h.

#define HASH_STR_DCAL_MASK BIT(8)

Definition at line 79 of file hash_alg.h.

#define HASH_STR_DCAL_POS 8

Definition at line 78 of file hash_alg.h.

#define HASH_STR_DEFAULT 0x0

Definition at line 80 of file hash_alg.h.

#define HASH_STR_NBLW_MASK 0x0000001FUL

Definition at line 83 of file hash_alg.h.

#define HASH_STR_NBLW_POS 0

Definition at line 82 of file hash_alg.h.

Enumeration Type Documentation

enum hash_algo

enum hash_algo - Enumeration for selecting between SHA1 or SHA2 algorithm. : Indicates that SHA1 is used. : Indicates that SHA2 (SHA256) is used.

Enumerator:

HASH_ALGO_SHA1
HASH_ALGO_SHA256

Definition at line 271 of file hash_alg.h.

enum hash_data_format

enum hash_data_format - HASH data format. : 32 bits data format : 16 bits data format : 8 bits data format. : 1 bit data format.

Enumerator:

HASH_DATA_32_BITS
HASH_DATA_16_BITS
HASH_DATA_8_BITS
HASH_DATA_1_BIT

Definition at line 259 of file hash_alg.h.

enum hash_device_id

enum hash_device_id - HASH device ID. : Hash hardware with ID 0 : Hash hardware with ID 1

Enumerator:

HASH_DEVICE_ID_0
HASH_DEVICE_ID_1

Definition at line 247 of file hash_alg.h.

enum hash_mode

Enumerator:

HASH_MODE_CPU
HASH_MODE_DMA

Definition at line 132 of file hash_alg.h.

enum hash_op

enum hash_op - Enumeration for selecting between HASH or HMAC mode. : Indicates usage of normal HASH mode. : Indicates usage of HMAC.

Enumerator:

COP_SHA1
COP_HMAC_SHA1
HASH_OPER_MODE_HASH
HASH_OPER_MODE_HMAC

Definition at line 281 of file hash_alg.h.

Function Documentation

void hash_begin	(	struct hash_device_data *	device_data,
		struct hash_ctx *	ctx
	)

hash_begin - This routine resets some globals and initializes the hash hardware. : Structure for the hash device. : Hash context.

Definition at line 766 of file hash_core.c.

int hash_check_hw ( struct hash_device_data * device_data )

hash_check_hw - This routine checks for peripheral Ids and PCell Ids. :

Definition at line 1261 of file hash_core.c.

void hash_get_digest	(	struct hash_device_data *	device_data,
		u8 *	digest,
		int	algorithm
	)

hash_get_digest - Gets the digest. : Pointer to the device structure. : User allocated byte array for the calculated digest. : The algorithm in use.

Definition at line 1287 of file hash_core.c.

int hash_hw_update ( struct ahash_request * req )

hash_hw_update - Updates current HASH computation hashing another part of the message. : Byte array containing the message to be hashed (caller allocated).

Definition at line 1086 of file hash_core.c.

int hash_resume_state	(	struct hash_device_data *	device_data,
		const struct hash_state *	device_state
	)

hash_resume_state - Function that resumes the state of an calculation. : Pointer to the device structure. : The state to be restored in the hash hardware

Definition at line 1151 of file hash_core.c.

int hash_save_state	(	struct hash_device_data *	device_data,
		struct hash_state *	device_state
	)

hash_save_state - Function that saves the state of hardware. : Pointer to the device structure. : The strucure where the hardware state should be saved.

Definition at line 1209 of file hash_core.c.

int hash_setconfiguration	(	struct hash_device_data *	device_data,
		struct hash_config *	config
	)

hash_setconfiguration - Sets the required configuration for the hash hardware. : Structure for the hash device. : Pointer to a configuration structure.

Definition at line 698 of file hash_core.c.

Data Structures

Macros

Enumerations

Functions

Macro Definition Documentation

Enumeration Type Documentation

Function Documentation