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#ifndef BF16_BITFURY16_H
#define BF16_BITFURY16_H
#include <stdint.h>
#include "bf16-spidevice.h"
/******************************************************
* Macros
******************************************************/
#define LIST_PUSH_HEAD(_list, _item) { \
if (_list->tail == NULL) { \
_list->tail = _item; \
_list->head = _item; \
} else { \
_list->head->prev = _item; \
_item->next = _list->head; \
_list->head = _item; \
} \
}
#define LIST_PUSH_TAIL(_list, _item) { \
if (_list->head == NULL) { \
_list->head = _item; \
_list->tail = _item; \
} else { \
_list->tail->next = _item; \
_item->prev = _list->tail; \
_list->tail = _item; \
} \
}
#define LIST_POP_HEAD(_list) { \
if (_list->head != _list->tail) { \
_list->head = _list->head->next; \
_list->head->prev = NULL; \
} else { \
_list->head = NULL; \
_list->tail = NULL; \
} \
}
#define LIST_POP_TAIL(_list) { \
if (_list->head != _list->tail) { \
_list->tail = _list->tail->prev; \
_list->tail->next = NULL; \
} else { \
_list->head = NULL; \
_list->tail = NULL; \
} \
}
#define LIST_REMOVE(_list, _item) { \
if (_list->head != _list->tail) { \
if (_list->head == _item) { \
_list->head = _list->head->next; \
_list->head->prev = NULL; \
} else if (_list->tail == _item) { \
_list->tail = _list->tail->prev; \
_list->tail->next = NULL; \
} else { \
bf_data_t* prev; \
bf_data_t* next; \
prev = _item->prev; \
next = _item->next; \
prev->next = next; \
next->prev = prev; \
} \
} else { \
_list->head = NULL; \
_list->tail = NULL; \
} \
}
#define L_LOCK(_list) pthread_mutex_lock (&_list->lock);
#define L_UNLOCK(_list) pthread_mutex_unlock(&_list->lock);
/******************************************************
* Constants
******************************************************/
#define CHIP_COEFF 4.295
#define CHIP_CMD_NUM 8
#define CMD_BUFFER_LEN 4096
/******************************************************
* Enumerations
******************************************************/
typedef enum {
CHIP_CMD_TASK_STATUS,
CHIP_CMD_TASK_WRITE,
CHIP_CMD_TASK_SWITCH,
CHIP_CMD_READ_NONCE = 0x04,
CHIP_CMD_SET_CLOCK = 0x08,
CHIP_CMD_TOGGLE = 0x10,
CHIP_CMD_SET_MASK = 0x20,
CHIP_CMD_CREATE_CHANNEL
} bf_cmd_code_t;
/* chip state enumeration */
typedef enum {
UNINITIALIZED,
TOGGLE_SET,
CLOCK_SET,
MASK_SET,
TASK_SENT,
TASK_SWITCHED,
FAILING,
DISABLED
} bf_chip_status_t;
enum bf_channel_id {
BF250_NONE = 0x00,
BF250_LOCAL = 0x04,
BF250_CHAN1 = 0x06,
BF250_CHAN2 = 0x07
};
typedef enum {
RENONCE_STAGE0,
RENONCE_STAGE1,
RENONCE_STAGE2,
RENONCE_STAGE3,
RENONCE_STAGE_FINISHED
} bf_renonce_stage_t;
/******************************************************
* Type Definitions
******************************************************/
/* list definition */
struct bf_data {
struct bf_data* next;
struct bf_data* prev;
void* data;
};
typedef struct bf_data bf_data_t;
typedef struct {
bf_data_t* head;
bf_data_t* tail;
uint32_t count;
pthread_mutex_t lock;
} bf_list_t;
/* general chip command staff */
typedef struct {
bf_cmd_code_t cmd_code;
char cmd_description[32];
} bf_cmd_description_t;
typedef struct {
int8_t board_id;
int8_t bcm250_id;
int8_t chip_id;
} bf_chip_address_t;
typedef struct {
bf_chip_address_t chip_address;
uint8_t depth;
bf_cmd_code_t cmd_code;
uint8_t data_length;
uint8_t tx[128];
uint8_t rx[64];
uint8_t status;
uint8_t checksum;
bool checksum_error;
uint8_t nonce_checksum;
bool nonce_checksum_error;
} bf_command_t;
/* work stuff */
typedef struct {
uint32_t midstate[8];
uint32_t m7;
uint32_t ntime;
uint32_t nbits;
} bf_payload_t;
typedef struct {
struct work* work;
bf_payload_t payload;
bool rolled;
time_t generated;
} bf_workd_t;
typedef struct {
struct work work;
bf_payload_t payload;
uint8_t task[80];
} bf_works_t;
/* nonceworker stuff */
typedef struct {
bf_chip_address_t chip_address;
bf_chip_address_t src_address;
bf_works_t cwork;
bf_works_t owork;
uint32_t nonce;
} bf_noncework_t;
/* renonceworker stuff */
typedef struct {
bf_chip_address_t src_address;
uint32_t nonce;
} bf_renoncework_t;
/* nonce recalculation staff */
/* nonce list */
typedef struct {
uint32_t nonce;
} bf_nonce_t;
/* task + nonces list */
typedef struct {
uint32_t id;
uint32_t nonce;
bf_works_t cwork;
bf_works_t owork;
bf_chip_address_t src_address;
bf_renonce_stage_t stage;
bool sent;
bool received;
bool match;
} bf_renonce_t;
/* command buffer staff */
typedef struct bf_cmd {
bf_chip_address_t chip_address; /* address of chip calculating result */
bf_chip_address_t src_address; /* track chip address during nonce recalculation */
bf_works_t work;
uint32_t id; /* renonce id */
uint8_t depth;
bf_cmd_code_t cmd_code;
uint8_t data_length;
uint8_t checksum;
} bf_cmd_t;
#define CMD(_item) ((bf_cmd_t *) (_item->data))
#define NONCE(_item) ((bf_nonce_t *) (_item->data))
#define RENONCE(_item) ((bf_renonce_t *) (_item->data))
#define NONCEWORK(_item) ((bf_noncework_t *) (_item->data))
#define RENONCEWORK(_item) ((bf_renoncework_t *) (_item->data))
#define WORKD(_item) ((bf_workd_t *) (_item->data))
#define WORKS(_item) ((bf_works_t *) (_item->data))
typedef struct {
bf_chip_address_t chip_address;
bf_chip_address_t src_address;
bf_works_t work;
uint32_t id;
bf_cmd_code_t cmd_code;
uint8_t status;
uint8_t checksum_expected;
uint8_t checksum_received;
bool checksum_error;
uint8_t nonce_checksum_expected;
uint8_t nonce_checksum_received;
bool nonce_checksum_error;
} bf_cmd_status_t;
typedef enum {
EMPTY,
TX_READY,
EXECUTED
} bf_cmd_buffer_status_t;
typedef struct {
bf_list_t* cmd_list;
uint8_t* tx_buffer;
uint8_t* rx_buffer;
uint32_t free_bytes; /* TX buffer bytes free */
uint32_t tx_offset;
uint32_t rx_offset;
bf_cmd_buffer_status_t status;
} bf_cmd_buffer_t;
/******************************************************
* Structures
******************************************************/
/******************************************************
* Static Function Declarations
******************************************************/
/******************************************************
* Variables Definitions
******************************************************/
extern bf_cmd_description_t cmd_description[CHIP_CMD_NUM];
/******************************************************
* Function Definitions
******************************************************/
/* BF16 command primitives */
uint8_t spi_command_init(bf_command_t* command, const uint8_t depth,
const bf_chip_address_t chip_address, const bf_cmd_code_t cmd_code,
const uint8_t data_length, const uint8_t* tx);
uint8_t spi_command_exec(spi_channel_id_t spi_channel, bf_command_t* command, uint32_t* nonces);
/* data preparation routines */
uint8_t gen_clock_data(uint8_t clock, uint8_t prescaler, uint8_t data[4]);
uint8_t gen_task_data(uint32_t* midstate, uint32_t merkle, uint32_t ntime,
uint32_t nbits, uint32_t mask, uint8_t* task);
uint32_t gen_mask(uint32_t nonce, uint8_t nbits);
/* SPI BCM250 primitives */
uint8_t create_channel(spi_channel_id_t spi_channel, uint8_t* channel_path, uint8_t channel_length);
uint8_t destroy_channel(spi_channel_id_t spi_channel, uint8_t depth);
/* SPI BTC16 primitives */
void spi_emit_reset(spi_channel_id_t spi_channel);
uint8_t send_toggle(spi_channel_id_t spi_channel, uint8_t depth,
bf_chip_address_t chip_address);
uint8_t set_clock(spi_channel_id_t spi_channel, uint8_t depth,
bf_chip_address_t chip_address, uint8_t clock);
/* cmd buffer primitives */
int8_t cmd_buffer_init(bf_cmd_buffer_t* cmd_buffer);
int8_t cmd_buffer_deinit(bf_cmd_buffer_t* cmd_buffer);
int8_t cmd_buffer_clear(bf_cmd_buffer_t* cmd_buffer);
int8_t cmd_buffer_push(bf_cmd_buffer_t* cmd_buffer, const uint8_t depth,
const bf_chip_address_t chip_address, const bf_chip_address_t src_address,
const bf_works_t work, const uint32_t id,
const bf_cmd_code_t cmd_code, const uint8_t data_length, const uint8_t* tx);
int8_t cmd_buffer_pop(bf_cmd_buffer_t* cmd_buffer, bf_cmd_status_t* cmd_status, uint32_t* nonces);
int8_t cmd_buffer_exec(spi_channel_id_t spi_channel, bf_cmd_buffer_t* cmd_buffer);
int8_t cmd_buffer_push_create_channel(bf_cmd_buffer_t* cmd_buffer, uint8_t* channel_path,
uint8_t channel_length);
int8_t cmd_buffer_push_destroy_channel(bf_cmd_buffer_t* cmd_buffer, const uint8_t depth);
int8_t cmd_buffer_push_send_toggle(bf_cmd_buffer_t* cmd_buffer, const uint8_t depth,
const bf_chip_address_t chip_address);
int8_t cmd_buffer_push_set_clock(bf_cmd_buffer_t* cmd_buffer, const uint8_t depth,
const bf_chip_address_t chip_address, uint8_t clock);
int8_t cmd_buffer_push_set_mask(bf_cmd_buffer_t* cmd_buffer, const uint8_t depth,
const bf_chip_address_t chip_address, uint8_t mask);
char* get_cmd_description(bf_cmd_code_t cmd_code);
/* dynamic work list primitives */
bf_list_t* workd_list_init(void);
int8_t workd_list_deinit(bf_list_t* list, struct cgpu_info *bitfury);
int8_t workd_list_push(bf_list_t* list, bf_workd_t* work);
int8_t workd_list_pop(bf_list_t* list, struct cgpu_info *bitfury);
int8_t workd_list_remove(bf_list_t* list, bf_works_t* work);
/* nonce list primitives */
bf_list_t* nonce_list_init(void);
int8_t nonce_list_deinit(bf_list_t* list);
int8_t nonce_list_push(bf_list_t* list, uint32_t nonce);
uint32_t nonce_list_pop(bf_list_t* list);
/* noncework list primitives */
bf_list_t* noncework_list_init(void);
int8_t noncework_list_deinit(bf_list_t* list);
int8_t noncework_list_push(bf_list_t* list, bf_chip_address_t chip_address,
bf_chip_address_t src_address, bf_works_t cwork, bf_works_t owork, uint32_t nonce);
int8_t noncework_list_pop(bf_list_t* list);
bf_list_t* renoncework_list_init(void);
int8_t renoncework_list_deinit(bf_list_t* list);
int8_t renoncework_list_push(bf_list_t* list, bf_chip_address_t src_address, uint32_t nonce);
int8_t renoncework_list_pop(bf_list_t* list);
/* renonce list primitives */
bf_list_t* renonce_list_init(void);
int8_t renonce_list_deinit(bf_list_t* list);
int8_t renonce_list_push(bf_list_t* list, uint32_t id, uint32_t nonce, bf_chip_address_t src_address,
bf_works_t cwork, bf_works_t owork);
int8_t renonce_list_pop(bf_list_t* list);
int8_t renonce_list_remove(bf_list_t* list, bf_data_t* rdata);
uint8_t find_nonces(uint32_t* curr_nonces, uint32_t* prev_nonces, uint32_t* valid_nonces);
bool match_nonce(uint32_t nonce, uint32_t mask, uint8_t nbits);
#endif /* BF16_BITFURY16_H */
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