static int64_t avalon2_scanhash(struct thr_info *thr)
{
struct avalon2_pkg send_pkg;
struct pool *pool;
struct cgpu_info *avalon2 = thr->cgpu;
struct avalon2_info *info = avalon2->device_data;
int64_t h;
uint32_t tmp, range, start;
int i;
if (thr->work_restart || thr->work_update ||
info->first) {
info->new_stratum = true;
applog(LOG_DEBUG, "Avalon2: New stratum: restart: %d, update: %d, first: %d",
thr->work_restart, thr->work_update, info->first);
thr->work_update = false;
thr->work_restart = false;
if (unlikely(info->first))
info->first = false;
get_work(thr, thr->id); /* Make sure pool is ready */
pool = current_pool();
if (!pool->has_stratum)
quit(1, "Avalon2: Miner Manager have to use stratum pool");
if (pool->swork.cb_len > AVA2_P_COINBASE_SIZE)
quit(1, "Avalon2: Miner Manager pool coinbase length have to less then %d", AVA2_P_COINBASE_SIZE);
if (pool->swork.merkles > AVA2_P_MERKLES_COUNT)
quit(1, "Avalon2: Miner Manager merkles have to less then %d", AVA2_P_MERKLES_COUNT);
info->diff = (int)pool->swork.diff - 1;
info->pool_no = pool->pool_no;
cg_wlock(&pool->data_lock);
avalon2_stratum_pkgs(info->fd, pool, thr);
cg_wunlock(&pool->data_lock);
/* Configuer the parameter from outside */
info->fan_pwm = opt_avalon2_fan_min;
info->set_voltage = opt_avalon2_voltage_min;
info->set_frequency = opt_avalon2_freq_min;
/* Set the Fan, Voltage and Frequency */
memset(send_pkg.data, 0, AVA2_P_DATA_LEN);
tmp = be32toh(info->fan_pwm);
memcpy(send_pkg.data, &tmp, 4);
tmp = encode_voltage(info->set_voltage);
tmp = be32toh(tmp);
memcpy(send_pkg.data + 4, &tmp, 4);
tmp = be32toh(info->set_frequency);
memcpy(send_pkg.data + 8, &tmp, 4);
/* Configure the nonce2 offset and range */
range = 0xffffffff / total_devices;
start = range * avalon2->device_id;
tmp = be32toh(start);
memcpy(send_pkg.data + 12, &tmp, 4);
tmp = be32toh(range);
memcpy(send_pkg.data + 16, &tmp, 4);
/* Package the data */
avalon2_init_pkg(&send_pkg, AVA2_P_SET, 1, 1);
while (avalon2_send_pkg(info->fd, &send_pkg, thr) != AVA2_SEND_OK)
;
info->new_stratum = false;
}
polling(thr);
h = 0;
for (i = 0; i < AVA2_DEFAULT_MODULARS; i++) {
h += info->local_work[i];
}
return h * 0xffffffff;
}
static int64_t avalon2_scanhash(struct thr_info *thr)
{
struct avalon2_pkg send_pkg;
struct timeval current_stratum;
struct pool *pool;
struct cgpu_info *avalon2 = thr->cgpu;
struct avalon2_info *info = avalon2->device_data;
int64_t h;
uint32_t tmp, range, start;
int i;
if (thr->work_restart || thr->work_update || !info->first) {
applog(LOG_DEBUG, "Avalon2: New stratum: restart: %d, update: %d, first: %d",
thr->work_restart, thr->work_update, info->first);
thr->work_update = false;
thr->work_restart = false;
get_work(thr, thr->id); /* Make sure pool is ready */
pool = current_pool();
if (!pool->has_stratum)
quit(1, "Avalon2: Miner Manager have to use stratum pool");
if (pool->coinbase_len > AVA2_P_COINBASE_SIZE) {
applog(LOG_ERR, "Avalon2: Miner Manager pool coinbase length have to less then %d", AVA2_P_COINBASE_SIZE);
return 0;
}
if (pool->merkles > AVA2_P_MERKLES_COUNT) {
applog(LOG_ERR, "Avalon2: Miner Manager merkles have to less then %d", AVA2_P_MERKLES_COUNT);
return 0;
}
cgtime(&info->last_stratum);
cg_rlock(&pool->data_lock);
info->pool_no = pool->pool_no;
copy_pool_stratum(pool);
avalon2_stratum_pkgs(info->fd, pool, thr);
cg_runlock(&pool->data_lock);
/* Configuer the parameter from outside */
adjust_fan(info);
info->set_voltage = opt_avalon2_voltage_min;
info->set_frequency = opt_avalon2_freq_min;
/* Set the Fan, Voltage and Frequency */
memset(send_pkg.data, 0, AVA2_P_DATA_LEN);
tmp = be32toh(info->fan_pwm);
memcpy(send_pkg.data, &tmp, 4);
applog(LOG_ERR, "Avalon2: Temp max: %d, Cut off temp: %d",
get_current_temp_max(info), opt_avalon2_overheat);
if (get_current_temp_max(info) >= opt_avalon2_overheat)
tmp = encode_voltage(0);
else
tmp = encode_voltage(info->set_voltage);
tmp = be32toh(tmp);
memcpy(send_pkg.data + 4, &tmp, 4);
tmp = be32toh(info->set_frequency);
memcpy(send_pkg.data + 8, &tmp, 4);
/* Configure the nonce2 offset and range */
range = 0xffffffff / total_devices;
start = range * avalon2->device_id;
tmp = be32toh(start);
memcpy(send_pkg.data + 12, &tmp, 4);
tmp = be32toh(range);
memcpy(send_pkg.data + 16, &tmp, 4);
/* Package the data */
avalon2_init_pkg(&send_pkg, AVA2_P_SET, 1, 1);
while (avalon2_send_pkg(info->fd, &send_pkg, thr) != AVA2_SEND_OK)
;
if (unlikely(info->first < 2))
info->first++;
}
/* Stop polling the device if there is no stratum in 3 minutes, network is down */
cgtime(¤t_stratum);
if (tdiff(¤t_stratum, &(info->last_stratum)) > (double)(3.0 * 60.0))
return 0;
polling(thr);
h = 0;
for (i = 0; i < AVA2_DEFAULT_MODULARS; i++) {
h += info->enable[i] ? (info->local_work[i] - info->hw_work[i]) : 0;
}
return h * 0xffffffff;
}