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bf16-bitfury16.c
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bf16-bitfury16.c
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#include <arpa/inet.h>
#include "miner.h"
#include "bf16-bitfury16.h"
#include "bf16-communication.h"
#include "bf16-ctrldevice.h"
#include "math.h"
#include "sha2.h"
#include "driver-bitfury16.h"
//#define FLIP_BITS
bf_cmd_description_t cmd_description[CHIP_CMD_NUM] = {
{
.cmd_code = CHIP_CMD_TASK_STATUS,
.cmd_description = "CHIP_CMD_TASK_STATUS"
},
{
.cmd_code = CHIP_CMD_TASK_WRITE,
.cmd_description = "CHIP_CMD_TASK_WRITE"
},
{
.cmd_code = CHIP_CMD_TASK_SWITCH,
.cmd_description = "CHIP_CMD_TASK_SWITCH"
},
{
.cmd_code = CHIP_CMD_READ_NONCE,
.cmd_description = "CHIP_CMD_READ_NONCE"
},
{
.cmd_code = CHIP_CMD_SET_CLOCK,
.cmd_description = "CHIP_CMD_SET_CLOCK"
},
{
.cmd_code = CHIP_CMD_TOGGLE,
.cmd_description = "CHIP_CMD_TOGGLE"
},
{
.cmd_code = CHIP_CMD_SET_MASK,
.cmd_description = "CHIP_CMD_SET_MASK"
},
{
.cmd_code = CHIP_CMD_CREATE_CHANNEL,
.cmd_description = "CHIP_CMD_CREATE_CHANNEL"
}
};
char* get_cmd_description(bf_cmd_code_t cmd_code)
{
uint8_t i;
for (i = 0; i < CHIP_CMD_NUM; i++)
if (cmd_description[i].cmd_code == cmd_code)
return cmd_description[i].cmd_description;
return NULL;
}
static void shift_bits(uint8_t* data, uint8_t size, uint8_t nbits)
{
uint8_t i;
uint8_t bytes = nbits / 8;
uint8_t bits = nbits % 8;
for (i = 0; i < size; i++) {
data[i] = (data[i + bytes] << bits);
uint8_t minor = (data[i + bytes + 1] >> (8 - bits));
data[i] |= minor;
}
}
static uint8_t extra_bytes(uint8_t depth)
{
return (depth * 3) / 8 + 1;
}
static uint8_t analyze_rx_data(bf_command_t* command, bf_cmd_status_t* cmd_status, uint32_t* nonces)
{
uint8_t i;
uint8_t res = 0;
if (command->cmd_code & CHIP_CMD_READ_NONCE) {
shift_bits(command->rx, 49 + 2 + extra_bytes(command->depth), command->depth * 3);
command->status = command->rx[0];
cmd_status->status = command->rx[0];
command->checksum = command->rx[1];
cmd_status->checksum_expected = command->checksum;
if (nonces == NULL)
return 1;
uint32_t nonce = 0x00000000;
/* fill nonces buffer */
for (i = 0; i <= 48; i++) {
if ((i % 4 == 0) && (i != 0)) {
if ((nonce & 0x0fffffff) != 0x0fffffff)
nonce ^= 0xaaaaaaaa;
nonces[i/4 - 1] = nonce;
if (i == 48)
break;
nonce = 0x00000000;
}
nonce |= (command->rx[i + 2] << 8*(4 - (i%4) - 1));
}
#if 0
char data[128];
memset(data, 0, sizeof(data));
for (i = 0; i < 49 + 2 + extra_bytes(command->depth); i++)
sprintf(data, "%s%02x", data, command->rx[i]);
applog(LOG_DEBUG, "BF16: RX <- [%s]", data);
#endif
for (i = 0; i < 48; i ++)
command->nonce_checksum += command->rx[i + 2];
command->nonce_checksum += command->rx[1];
cmd_status->nonce_checksum_expected = command->nonce_checksum;
if (command->checksum != command->rx[1]) {
command->checksum_error = true;
cmd_status->checksum_error = true;
cmd_status->checksum_received = command->rx[50];
res = 1;
#if 0
applog(LOG_ERR, "Checksum mismatch: received [%02x] expected [%02x]", command->rx[1], 0x04);
#endif
} else {
command->checksum_error = false;
cmd_status->checksum_error = false;
}
if ((command->nonce_checksum != command->rx[50]) &&
(command->nonce_checksum != command->rx[50] + 1)) {
command->nonce_checksum_error = true;
cmd_status->nonce_checksum_error = true;
cmd_status->nonce_checksum_received = command->rx[50];
res += 2;
#if 0
applog(LOG_ERR, "Nonce checksum mismatch: received [%02x] expected [%02x]", command->rx[50], checksum);
#endif
} else {
command->nonce_checksum_error = false;
cmd_status->nonce_checksum_error = false;
}
} else {
shift_bits(command->rx, 2 + extra_bytes(command->depth), command->depth * 3);
if (opt_bf16_test_chip != NULL) {
char data[16];
memset(data, 0, sizeof(data));
for (i = 0; i < 2 + extra_bytes(command->depth); i++)
sprintf(data, "%s%02x", data, command->rx[i]);
applog(LOG_NOTICE, "BF16: RX <- [%s]", data);
}
command->status = command->rx[0];
cmd_status->status = command->rx[0];
uint8_t cmd_checksum = command->rx[1];
cmd_status->checksum_expected = command->checksum;
#if 0
applog(LOG_DEBUG, "Command checksum: [%02x]", cmd_checksum);
applog(LOG_DEBUG, "Command status: [%02x]", command->status);
#endif
if ((command->checksum != cmd_checksum) &&
(command->checksum != cmd_checksum + 1)) {
command->checksum_error = true;
cmd_status->checksum_error = true;
cmd_status->checksum_received = cmd_checksum;
res = 1;
if (opt_bf16_test_chip != NULL) {
applog(LOG_ERR, "BF16: checksum mismatch: received [%02x] expected [%02x]",
cmd_checksum, command->checksum);
}
} else {
command->checksum_error = false;
cmd_status->checksum_error = false;
}
}
return res;
}
/* SPI BTC250 primitives */
uint8_t create_channel(spi_channel_id_t spi_channel, uint8_t* channel_path, uint8_t channel_length)
{
int res = 0;
uint8_t* channel_path_buff = cgcalloc(channel_length, sizeof(uint8_t));
cg_memcpy(channel_path_buff, channel_path, channel_length);
res = device_spi_transfer(spi_channel, channel_path_buff, channel_length);
free(channel_path_buff);
return res;
}
uint8_t destroy_channel(spi_channel_id_t spi_channel, uint8_t depth)
{
bf_command_t chip_command;
bf_chip_address_t chip_address = { 0x00, 0x00, 0x0f };
/* send command to 0x0f address */
spi_command_init(&chip_command, depth, chip_address, CHIP_CMD_TASK_SWITCH, 0, NULL);
return spi_command_exec(spi_channel, &chip_command, NULL);
}
/* SPI BTC16 primitives */
void spi_emit_reset(spi_channel_id_t spi_channel)
{
device_ctrl_transfer(spi_channel, 1, F_RST);
uint8_t data[2] = { 0x00, 0x00 };
device_spi_transfer(spi_channel, data, sizeof(data));
device_ctrl_transfer(spi_channel, 0, F_RST);
}
uint8_t send_toggle(spi_channel_id_t spi_channel, uint8_t depth, bf_chip_address_t chip_address)
{
bf_command_t chip_command;
uint8_t toggle[4] = { 0xa5, 0x00, 0x00, 0x02 };
spi_command_init(&chip_command, depth, chip_address, CHIP_CMD_TOGGLE, 3, toggle);
return spi_command_exec(spi_channel, &chip_command, NULL);
}
uint8_t set_clock(spi_channel_id_t spi_channel, uint8_t depth,
bf_chip_address_t chip_address, uint8_t clock)
{
bf_command_t chip_command;
uint8_t clock_buf[4];
memset(clock_buf, 0, 4);
gen_clock_data(clock, 1, clock_buf);
spi_command_init(&chip_command, depth, chip_address, CHIP_CMD_SET_CLOCK, 3, clock_buf);
return spi_command_exec(spi_channel, &chip_command, NULL);
}
/* cmd buffer primitives */
int8_t cmd_buffer_init(bf_cmd_buffer_t* cmd_buffer)
{
if (cmd_buffer == NULL)
return -1;
cmd_buffer->cmd_list = cgmalloc(sizeof(bf_list_t));
cmd_buffer->cmd_list->head = NULL;
cmd_buffer->cmd_list->tail = NULL;
cmd_buffer->cmd_list->count = 0;
cmd_buffer->tx_buffer = cgcalloc(CMD_BUFFER_LEN, sizeof(uint8_t));
cmd_buffer->rx_buffer = cgcalloc(CMD_BUFFER_LEN, sizeof(uint8_t));
memset(cmd_buffer->tx_buffer, 0, CMD_BUFFER_LEN);
memset(cmd_buffer->rx_buffer, 0, CMD_BUFFER_LEN);
cmd_buffer->free_bytes = CMD_BUFFER_LEN;
cmd_buffer->tx_offset = 0;
cmd_buffer->rx_offset = 0;
cmd_buffer->status = EMPTY;
return 0;
}
int8_t cmd_buffer_deinit(bf_cmd_buffer_t* cmd_buffer)
{
if (cmd_buffer == NULL)
return -1;
/* free cmd buffer */
while (cmd_buffer->cmd_list->head != NULL) {
bf_data_t* cdata = cmd_buffer->cmd_list->head;
LIST_POP_HEAD(cmd_buffer->cmd_list);
free(cdata->data);
free(cdata);
}
free(cmd_buffer->cmd_list);
/* free RX/TX buffer */
free(cmd_buffer->tx_buffer);
free(cmd_buffer->rx_buffer);
cmd_buffer->free_bytes = CMD_BUFFER_LEN;
cmd_buffer->tx_offset = 0;
cmd_buffer->rx_offset = 0;
cmd_buffer->status = EMPTY;
return 0;
}
int8_t cmd_buffer_clear(bf_cmd_buffer_t* cmd_buffer)
{
if (cmd_buffer == NULL)
return -1;
/* release cmd buffer data memory */
while (cmd_buffer->cmd_list->head != NULL) {
bf_data_t* cdata = cmd_buffer->cmd_list->head;
LIST_POP_HEAD(cmd_buffer->cmd_list);
free(cdata->data);
free(cdata);
}
cmd_buffer->cmd_list->count = 0;
/* clear RX/TX buffer */
memset(cmd_buffer->tx_buffer, 0, CMD_BUFFER_LEN);
memset(cmd_buffer->rx_buffer, 0, CMD_BUFFER_LEN);
cmd_buffer->free_bytes = CMD_BUFFER_LEN;
cmd_buffer->tx_offset = 0;
cmd_buffer->rx_offset = 0;
cmd_buffer->status = EMPTY;
return 0;
}
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)
{
uint8_t res = 0;
if (cmd_buffer == NULL)
return -1;
if (cmd_buffer->status == EXECUTED)
return -2;
bf_command_t command;
memset(&command, 0, sizeof(bf_command_t));
uint8_t buff[192];
memset(buff, 0, sizeof(buff));
if (cmd_code != CHIP_CMD_CREATE_CHANNEL) {
res = spi_command_init(&command, depth, chip_address, cmd_code, data_length, tx);
if (res != 0)
return res;
}
/* init structure */
bf_data_t* cdata = cgmalloc(sizeof(bf_data_t));
cdata->data = cgmalloc(sizeof(bf_cmd_t));
cdata->next = NULL;
cdata->prev = NULL;
cg_memcpy(&CMD(cdata)->chip_address, &chip_address, sizeof(bf_chip_address_t));
cg_memcpy(&CMD(cdata)->src_address, &src_address, sizeof(bf_chip_address_t));
cg_memcpy(&CMD(cdata)->work, &work, sizeof(bf_works_t));
CMD(cdata)->id = id;
CMD(cdata)->depth = command.depth;
CMD(cdata)->checksum = command.checksum;
CMD(cdata)->cmd_code = cmd_code;
if (CMD(cdata)->cmd_code & CHIP_CMD_READ_NONCE)
CMD(cdata)->data_length = command.data_length + 49 + 2 + extra_bytes(command.depth);
else if (CMD(cdata)->cmd_code == CHIP_CMD_CREATE_CHANNEL)
CMD(cdata)->data_length = data_length;
else
CMD(cdata)->data_length = command.data_length + 2 + extra_bytes(command.depth);
if (cmd_buffer->free_bytes < CMD(cdata)->data_length) {
/* not enough TX/RX buffer space available */
free(cdata->data);
free(cdata);
return -3;
}
/* init send buffer */
if (cmd_code != CHIP_CMD_CREATE_CHANNEL) {
cg_memcpy(buff, command.tx, command.data_length);
cg_memcpy(cmd_buffer->tx_buffer + cmd_buffer->tx_offset, buff, CMD(cdata)->data_length);
} else
cg_memcpy(cmd_buffer->tx_buffer + cmd_buffer->tx_offset, tx, CMD(cdata)->data_length);
#if 0
uint16_t i;
char data[384];
memset(data, 0, sizeof(data));
for (i = 0; i < command.data_length; i++)
sprintf(data, "%s%02x", data, command.tx[i]);
applog(LOG_DEBUG, "BF16: TX -> [%s]", data);
#endif
cmd_buffer->tx_offset += CMD(cdata)->data_length;
cmd_buffer->free_bytes -= CMD(cdata)->data_length;
/* add cmd to buffer */
LIST_PUSH_TAIL(cmd_buffer->cmd_list, cdata);
cmd_buffer->cmd_list->count++;
return 0;
}
int8_t cmd_buffer_push_send_toggle(bf_cmd_buffer_t* cmd_buffer, const uint8_t depth,
const bf_chip_address_t chip_address)
{
bf_works_t work;
uint8_t toggle[4] = { 0xa5, 0x00, 0x00, 0x02 };
return cmd_buffer_push(cmd_buffer, depth, chip_address, chip_address,
work, 0, CHIP_CMD_TOGGLE, 3, toggle);
}
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)
{
bf_works_t work;
uint8_t clock_buf[4];
memset(clock_buf, 0, 4);
gen_clock_data(clock, 1, clock_buf);
return cmd_buffer_push(cmd_buffer, depth, chip_address, chip_address,
work, 0, CHIP_CMD_SET_CLOCK, 3, clock_buf);
}
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)
{
uint8_t i;
bf_works_t work;
uint8_t noncemask[4];
for (i = 0; i < 4; i++)
noncemask[i] = (mask >> (8*(4 - i - 1))) & 0xff;
return cmd_buffer_push(cmd_buffer, depth, chip_address, chip_address,
work, 0, CHIP_CMD_SET_MASK, 3, noncemask);
}
int8_t cmd_buffer_push_create_channel(bf_cmd_buffer_t* cmd_buffer,
uint8_t* channel_path, uint8_t channel_length)
{
bf_works_t work;
bf_chip_address_t chip_address = { 0x00, 0x00, 0x00 };
return cmd_buffer_push(cmd_buffer, 0, chip_address, chip_address,
work, 0, CHIP_CMD_CREATE_CHANNEL, channel_length, channel_path);
}
int8_t cmd_buffer_push_destroy_channel(bf_cmd_buffer_t* cmd_buffer, const uint8_t depth)
{
bf_works_t work;
bf_chip_address_t chip_address = { 0x00, 0x00, 0x0f };
return cmd_buffer_push(cmd_buffer, depth, chip_address, chip_address,
work, 0, CHIP_CMD_TASK_SWITCH, 0, NULL);
}
bool match_nonce(uint32_t nonce, uint32_t mask, uint8_t nbits)
{
uint32_t fixed_mask = (uint32_t)(pow(2, nbits) - 1);
return ((nonce & fixed_mask) == (mask & fixed_mask));
}
uint8_t find_nonces(uint32_t* curr_nonces, uint32_t* prev_nonces, uint32_t* valid_nonces)
{
uint8_t i, j;
uint8_t found = 0;
uint8_t nonces = 0;
uint8_t diff = 0;
uint32_t found_nonces[12];
memset(found_nonces, 0, sizeof(found_nonces));
for (i = 0; i < 12; i++) {
if (((curr_nonces[i] & 0x0fffffff) != 0x0fffffff) &&
(curr_nonces[i] != prev_nonces[i])) {
found_nonces[found++] = curr_nonces[i];
}
if (((curr_nonces[i] & 0x0fffffff) == 0x0fffffff) &&
(curr_nonces[i] != prev_nonces[i]))
diff++;
}
for (i = 0; i < found; i++) {
if (found_nonces[i] == 0x00000000)
continue;
for (j = i; j < found; j++) {
if ((j != i) && (found_nonces[i] == found_nonces[j]))
found_nonces[j] = 0x00000000;
}
valid_nonces[nonces++] = found_nonces[i];
}
return nonces;
}
int8_t cmd_buffer_pop(bf_cmd_buffer_t* cmd_buffer, bf_cmd_status_t* cmd_status, uint32_t* nonces)
{
if (cmd_buffer == NULL)
return -1;
if (cmd_buffer->status != EXECUTED)
return -2;
if (cmd_buffer->cmd_list->head == NULL)
return -3;
uint8_t buff[192];
bf_command_t chip_command;
memset(buff, 0, sizeof(buff));
memset(chip_command.rx, 0, sizeof(chip_command.rx));
/* extract command from list */
bf_data_t* cdata = cmd_buffer->cmd_list->head;
chip_command.cmd_code = CMD(cdata)->cmd_code;
chip_command.depth = CMD(cdata)->depth;
chip_command.data_length = CMD(cdata)->data_length;
chip_command.status = 0;
chip_command.checksum = CMD(cdata)->checksum;
chip_command.nonce_checksum = 0;
chip_command.checksum_error = false;
chip_command.nonce_checksum_error = false;
/* extract chip return data */
cg_memcpy(buff, cmd_buffer->rx_buffer + cmd_buffer->rx_offset, CMD(cdata)->data_length);
cmd_buffer->rx_offset += CMD(cdata)->data_length;
if (CMD(cdata)->cmd_code & CHIP_CMD_READ_NONCE) {
cg_memcpy(chip_command.rx, buff + CMD(cdata)->data_length - (49 + 2 + extra_bytes(chip_command.depth)),
49 + 2 + extra_bytes(chip_command.depth));
memset(nonces, 0, 12 * sizeof(uint32_t));
analyze_rx_data(&chip_command, cmd_status, nonces);
} else if (CMD(cdata)->cmd_code == CHIP_CMD_CREATE_CHANNEL) {
cg_memcpy(chip_command.rx, buff, CMD(cdata)->data_length);
} else {
cg_memcpy(chip_command.rx, buff + CMD(cdata)->data_length - (2 + extra_bytes(chip_command.depth)),
2 + extra_bytes(chip_command.depth));
analyze_rx_data(&chip_command, cmd_status, NULL);
}
/* prepare cmd_status */
cg_memcpy(&cmd_status->chip_address, &CMD(cdata)->chip_address, sizeof(bf_chip_address_t));
cg_memcpy(&cmd_status->src_address, &CMD(cdata)->src_address, sizeof(bf_chip_address_t));
cg_memcpy(&cmd_status->work, &CMD(cdata)->work, sizeof(bf_works_t));
cmd_status->id = CMD(cdata)->id;
cmd_status->cmd_code = CMD(cdata)->cmd_code;
/* push memory back to free cmd list */
LIST_POP_HEAD(cmd_buffer->cmd_list);
cmd_buffer->cmd_list->count--;
free(cdata->data);
free(cdata);
return 0;
}
int8_t cmd_buffer_exec(spi_channel_id_t spi_channel, bf_cmd_buffer_t* cmd_buffer)
{
if (cmd_buffer == NULL)
return -1;
if (cmd_buffer->status == TX_READY) {
device_spi_txrx(spi_channel, cmd_buffer->tx_buffer, cmd_buffer->rx_buffer, cmd_buffer->tx_offset);
cmd_buffer->status = EXECUTED;
} else
return -2;
return 0;
}
/* BF16 command primitives */
uint8_t gen_clock_data(uint8_t clock, uint8_t prescaler, uint8_t data[4])
{
uint8_t i;
uint32_t data32 = 0x00000000;
if (clock > 0x3f)
return -1;
if ((prescaler != 0) && (prescaler != 1))
return -1;
uint32_t magic_const = 0x38;
uint32_t prescaler1 = prescaler;
uint32_t clock1 = clock;
uint32_t prescaler2 = prescaler;
uint32_t clock2 = clock;
magic_const <<= 20;
if (prescaler == 1) {
prescaler1 <<= 19;
prescaler2 <<= 12;
}
clock1 <<= 13;
clock2 <<= 6;
data32 = magic_const | prescaler1 | clock1 | prescaler2 | clock2;
for (i = 0; i < 4; i++)
data[i] = (data32 >> (8*(4 - i - 1))) & 0xff;
return 0;
}
#ifdef FLIP_BITS
static uint32_t flip_bits(uint32_t data, uint8_t nbits)
{
uint32_t ret = 0x00000000;
uint8_t i;
for (i = 0; i < nbits; i++)
ret |= (((data >> i) & 0x1) << (nbits - (i + 1)));
return ret;
}
#endif
uint32_t gen_mask(uint32_t nonce, uint8_t nbits)
{
uint32_t mask = 0x00000000;
uint32_t mask_code = (nbits << 16);
/* highest 16 bits of nonce counter */
uint32_t nonce_code = (nonce & 0x0007ffff);
#ifdef FLIP_BITS
uint32_t nonce_cntr = flip_bits(nonce_code, 19);
nonce_code = (flip_bits(nonce_cntr - 2, 19) ^ 0xaaaaaaaa);
mask = (mask_code | (nonce_code & (uint32_t)(pow(2, nbits) - 1)));
#else
nonce_code = ((nonce_code ^ 0xaaaaaaaa) & (uint32_t)(pow(2, nbits) - 1));
mask = (mask_code | nonce_code);
#endif
return mask;
}
void ms3steps16(uint32_t* p, uint32_t* w, uint32_t* task)
{
uint32_t a, b, c, d, e, f, g, h, new_e, new_a;
uint8_t i;
a = p[0];
b = p[1];
c = p[2];
d = p[3];
e = p[4];
f = p[5];
g = p[6];
h = p[7];
for (i = 0; i < 3; i++) {
new_e = w[i] + sha256_k[i] + h + CH(e,f,g) + SHA256_F2(e) + d;
new_a = w[i] + sha256_k[i] + h + CH(e,f,g) + SHA256_F2(e) +
SHA256_F1(a) + MAJ(a,b,c);
d = c;
c = b;
b = a;
a = new_a;
h = g;
g = f;
f = e;
e = new_e;
}
task[18] = ntohl(a ^ 0xaaaaaaaa);
task[17] = ntohl(b ^ 0xaaaaaaaa);
task[16] = ntohl(c ^ 0xaaaaaaaa);
task[15] = ntohl(d ^ 0xaaaaaaaa);
task[11] = ntohl(e ^ 0xaaaaaaaa);
task[10] = ntohl(f ^ 0xaaaaaaaa);
task[9] = ntohl(g ^ 0xaaaaaaaa);
task[8] = ntohl(h ^ 0xaaaaaaaa);
}
uint8_t gen_task_data(uint32_t* midstate, uint32_t merkle, uint32_t ntime,
uint32_t nbits, uint32_t mask, uint8_t* task)
{
uint8_t i;
uint32_t tmp;
uint32_t w[3];
w[0] = merkle;
w[1] = ntime;
w[2] = nbits;
for (i = 0; i < 8; i++) {
tmp = midstate[i];
tmp ^= 0xaaaaaaaa;
tmp = ntohl(tmp);
cg_memcpy(task + i*4, &tmp, sizeof(tmp));
}
ms3steps16(midstate, w, (uint32_t*)task);
for (i = 0; i < 3; i++) {
tmp = w[i];
tmp ^= 0xaaaaaaaa;
tmp = ntohl(tmp);
cg_memcpy(task + (12 + i)*4, &tmp, sizeof(tmp));
}
mask = ntohl(mask);
cg_memcpy(task + 19*4, &mask, sizeof(mask));
return 0;
}
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 i;
memset(command->tx, 0, sizeof(command->tx));
memset(command->rx, 0, sizeof(command->rx));
command->tx[0] = 0x01;
command->data_length = 1;
if ((chip_address.chip_id > 10) && (chip_address.chip_id != 0x0f))
return 1;
else {
cg_memcpy(&command->chip_address, &chip_address, sizeof(bf_chip_address_t));
command->tx[1] = (command->chip_address.chip_id << 4);
command->data_length++;
}
command->depth = depth;
command->cmd_code = cmd_code;
command->tx[2] = command->cmd_code;
command->data_length++;
if (data_length <= 79) {
command->tx[3] = data_length;
command->data_length++;
} else
return 1;
/* fill TX data */
if (data_length == 0) {
command->tx[4] = 0x00;
command->data_length++;
} else if (tx != NULL) {
cg_memcpy(command->tx + 4, tx, data_length + 1);
command->data_length += (data_length + 1);
} else
return 1;
/* calculate checksum */
command->checksum = 0;
command->nonce_checksum = 0;
for (i = 2; i < command->data_length; i++)
command->checksum += command->tx[i];
command->checksum_error = false;
command->nonce_checksum_error = false;
return 0;
}
uint8_t spi_command_exec(spi_channel_id_t spi_channel, bf_command_t* command, uint32_t* nonces)
{
uint8_t buff[192];
uint8_t res = 0;
bf_cmd_status_t cmd_status;
if (command->cmd_code & CHIP_CMD_READ_NONCE) {
memset(buff, 0x00, command->data_length + 49 + 2 + extra_bytes(command->depth));
cg_memcpy(buff, command->tx, command->data_length);
device_spi_transfer(spi_channel, buff, command->data_length + 49 + 2 + extra_bytes(command->depth));
cg_memcpy(command->rx, buff + command->data_length, 49 + 2 + extra_bytes(command->depth));
#if 0
uint16_t i;
char data[256];
memset(data, 0, sizeof(data));
for (i = 0; i < command->data_length; i++)
sprintf(data, "%s%02x", data, command->tx[i]);
applog(LOG_DEBUG, "BF16: TX -> [%s]", data);
#endif
return analyze_rx_data(command, &cmd_status, nonces);
} else {
memset(buff, 0x00, command->data_length + 2 + extra_bytes(command->depth));
cg_memcpy(buff, command->tx, command->data_length);
device_spi_transfer(spi_channel, buff, command->data_length + 2 + extra_bytes(command->depth));
cg_memcpy(command->rx, buff + command->data_length, 2 + extra_bytes(command->depth));
if (opt_bf16_test_chip != NULL) {
uint16_t i;
char data[256];
memset(data, 0, sizeof(data));
for (i = 0; i < command->data_length; i++)
sprintf(data, "%s%02x", data, command->tx[i]);
applog(LOG_NOTICE, "BF16: TX -> [%s]", data);
}
return analyze_rx_data(command, &cmd_status, nonces);
}
return res;
}
/* dynamic work list primitives */
bf_list_t* workd_list_init(void)
{
bf_list_t* list = cgmalloc(sizeof(bf_list_t));
list->head = NULL;
list->tail = NULL;
list->count = 0;
pthread_mutex_init(&list->lock, NULL);
return list;
}
int8_t workd_list_deinit(bf_list_t* list, struct cgpu_info *bitfury)
{
if (list == NULL)
return -1;
/* free work list */
L_LOCK(list);
while (list->head != NULL) {
bf_data_t* wdata = list->head;
LIST_POP_HEAD(list);
if (WORKD(wdata)->rolled)
free_work(WORKD(wdata)->work);
else
work_completed(bitfury, WORKD(wdata)->work);
free(wdata);
}
L_UNLOCK(list);
pthread_mutex_destroy(&list->lock);
list->count = 0;
free(list);
return 0;
}
int8_t workd_list_push(bf_list_t* list, bf_workd_t* work)
{
if ((list == NULL) || (work == NULL))
return -1;
bf_data_t* wdata = cgmalloc(sizeof(bf_data_t));
wdata->data = work;
wdata->next = NULL;
wdata->prev = NULL;
LIST_PUSH_TAIL(list, wdata);
list->count++;
return 0;
}
int8_t workd_list_pop(bf_list_t* list, struct cgpu_info *bitfury)
{
if (list == NULL)
return -1;
bf_data_t* wdata = list->head;
if (wdata != NULL) {
LIST_POP_HEAD(list);
if (WORKD(wdata)->rolled)
free_work(WORKD(wdata)->work);
else
work_completed(bitfury, WORKD(wdata)->work);
list->count--;
free(wdata->data);
free(wdata);
} else
return -1;
return 0;
}
int8_t workd_list_remove(bf_list_t* list, bf_works_t* works)
{
if (list == NULL)
return -1;
bf_data_t* wdata = list->head;
if (wdata != NULL) {
LIST_POP_HEAD(list);
cg_memcpy(&works->work, WORKD(wdata)->work, sizeof(struct work));
cg_memcpy(&works->payload, &WORKD(wdata)->payload, sizeof(bf_payload_t));
list->count--;
free(wdata);
} else
return -1;
return 0;
}
/* nonces list primitives */
bf_list_t* nonce_list_init(void)
{
bf_list_t* list = cgmalloc(sizeof(bf_list_t));
list->head = NULL;
list->tail = NULL;
list->count = 0;
pthread_mutex_init(&list->lock, NULL);
return list;
}
int8_t nonce_list_deinit(bf_list_t* list)
{
if (list == NULL)
return -1;
/* free nonce list */
L_LOCK(list);
while (list->head != NULL) {
bf_data_t* ndata = list->head;
LIST_POP_HEAD(list);
free(ndata->data);
free(ndata);
}
L_UNLOCK(list);
pthread_mutex_destroy(&list->lock);
list->count = 0;
free(list);
return 0;
}
int8_t nonce_list_push(bf_list_t* list, uint32_t nonce)
{
if (list == NULL)
return -1;
/* find nonce duplicates */
bf_data_t* ndata = list->head;
while (ndata != NULL) {
if (NONCE(ndata)->nonce == nonce)
return -1;
ndata = ndata->next;
}
ndata = cgmalloc(sizeof(bf_data_t));
ndata->data = cgmalloc(sizeof(bf_nonce_t));
NONCE(ndata)->nonce = nonce;
ndata->next = NULL;
ndata->prev = NULL;
LIST_PUSH_TAIL(list, ndata);
list->count++;
return 0;
}
uint32_t nonce_list_pop(bf_list_t* list)
{
uint32_t nonce = 0;
bf_data_t* ndata = list->head;
if (ndata != NULL) {
nonce = NONCE(ndata)->nonce;
LIST_POP_HEAD(list);
list->count--;
free(ndata->data);
free(ndata);
} else
return -1;
return nonce;
}
/* renoncework list primitives */
bf_list_t* renoncework_list_init(void)
{
bf_list_t* list = cgmalloc(sizeof(bf_list_t));
list->head = NULL;
list->tail = NULL;
list->count = 0;
pthread_mutex_init(&list->lock, NULL);
return list;