static int64_t bitforce_scanhash(struct thr_info *thr, struct work *work, int64_t __maybe_unused max_nonce)
{
struct cgpu_info *bitforce = thr->cgpu;
bool send_ret;
int64_t ret;
send_ret = bitforce_send_work(thr, work);
if (!restart_wait(bitforce->sleep_ms))
return 0;
bitforce->wait_ms = bitforce->sleep_ms;
if (send_ret) {
bitforce->polling = true;
ret = bitforce_get_result(thr, work);
bitforce->polling = false;
} else
ret = -1;
if (ret == -1) {
ret = 0;
applog(LOG_ERR, "BFL%i: Comms error", bitforce->device_id);
bitforce->device_last_not_well = time(NULL);
bitforce->device_not_well_reason = REASON_DEV_COMMS_ERROR;
bitforce->dev_comms_error_count++;
bitforce->hw_errors++;
/* empty read buffer */
bitforce_clear_buffer(bitforce);
}
return ret;
}
static int64_t bitforce_scanhash(struct thr_info *thr, struct work *work, int64_t __maybe_unused max_nonce)
{
struct cgpu_info *bitforce = thr->cgpu;
bool send_ret;
int64_t ret;
send_ret = bitforce_send_work(thr, work);
if (!restart_wait(bitforce->sleep_ms))
return 0;
bitforce->wait_ms = bitforce->sleep_ms;
if (send_ret) {
bitforce->polling = true;
ret = bitforce_get_result(thr, work);
bitforce->polling = false;
} else
ret = -1;
if (ret == -1) {
ret = 0;
applog(LOG_ERR, "%s%i: Comms error", bitforce->drv->name, bitforce->device_id);
dev_error(bitforce, REASON_DEV_COMMS_ERROR);
bitforce->hw_errors++;
/* empty read buffer */
bitforce_initialise(bitforce, true);
}
return ret;
}
static int64_t hfa_scanwork(struct thr_info *thr)
{
struct cgpu_info *hashfast = thr->cgpu;
struct hashfast_info *info = hashfast->device_data;
int64_t hashes;
int jobs, ret;
if (unlikely(hashfast->usbinfo.nodev)) {
applog(LOG_WARNING, "HFA %d: device disappeared, disabling",
hashfast->device_id);
return -1;
}
if (unlikely(thr->work_restart)) {
restart:
thr->work_restart = false;
ret = hfa_send_frame(hashfast, HF_USB_CMD(OP_WORK_RESTART), 0, (uint8_t *)NULL, 0);
if (unlikely(!ret)) {
ret = hfa_reset(hashfast, info);
if (unlikely(!ret)) {
applog(LOG_ERR, "HFA %d: Failed to reset after write failure, disabling",
hashfast->device_id);
return -1;
}
}
}
jobs = hfa_jobs(info);
if (!jobs) {
ret = restart_wait(thr, 100);
if (unlikely(!ret))
goto restart;
jobs = hfa_jobs(info);
}
if (jobs) {
applog(LOG_DEBUG, "HFA %d: Sending %d new jobs", hashfast->device_id,
jobs);
}
while (jobs-- > 0) {
struct hf_hash_usb op_hash_data;
struct work *work;
uint64_t intdiff;
int i, sequence;
uint32_t *p;
/* This is a blocking function if there's no work */
work = get_work(thr, thr->id);
/* Assemble the data frame and send the OP_HASH packet */
memcpy(op_hash_data.midstate, work->midstate, sizeof(op_hash_data.midstate));
memcpy(op_hash_data.merkle_residual, work->data + 64, 4);
p = (uint32_t *)(work->data + 64 + 4);
op_hash_data.timestamp = *p++;
op_hash_data.bits = *p++;
op_hash_data.starting_nonce = 0;
op_hash_data.nonce_loops = 0;
op_hash_data.ntime_loops = 0;
/* Set the number of leading zeroes to look for based on diff.
* Diff 1 = 32, Diff 2 = 33, Diff 4 = 34 etc. */
intdiff = (uint64_t)work->device_diff;
for (i = 31; intdiff; i++, intdiff >>= 1);
op_hash_data.search_difficulty = i;
op_hash_data.group = 0;
if ((sequence = info->hash_sequence_head + 1) >= info->num_sequence)
sequence = 0;
ret = hfa_send_frame(hashfast, OP_HASH, sequence, (uint8_t *)&op_hash_data, sizeof(op_hash_data));
if (unlikely(!ret)) {
ret = hfa_reset(hashfast, info);
if (unlikely(!ret)) {
applog(LOG_ERR, "HFA %d: Failed to reset after write failure, disabling",
hashfast->device_id);
return -1;
}
}
mutex_lock(&info->lock);
info->hash_sequence_head = sequence;
info->works[info->hash_sequence_head] = work;
mutex_unlock(&info->lock);
applog(LOG_DEBUG, "HFA %d: OP_HASH sequence %d search_difficulty %d work_difficulty %g",
hashfast->device_id, info->hash_sequence_head, op_hash_data.search_difficulty, work->work_difficulty);
}
mutex_lock(&info->lock);
hashes = info->hash_count;
info->hash_count = 0;
mutex_unlock(&info->lock);
return hashes;
}
static int64_t ztex_scanhash(struct thr_info *thr, struct work *work,
__maybe_unused int64_t max_nonce)
{
struct cgpu_info *cgpu = thr->cgpu;
struct libztex_device *ztex;
unsigned char sendbuf[44];
int i, j, k;
uint32_t *backlog;
int backlog_p = 0, backlog_max;
uint32_t *lastnonce;
uint32_t nonce, noncecnt = 0;
bool overflow, found;
struct libztex_hash_data hdata[GOLDEN_BACKLOG];
if (thr->cgpu->deven == DEV_DISABLED)
return -1;
ztex = thr->cgpu->device_ztex;
memcpy(sendbuf, work->data + 64, 12);
memcpy(sendbuf + 12, work->midstate, 32);
ztex_selectFpga(ztex, cgpu->proc_id);
i = libztex_sendHashData(ztex, sendbuf);
if (i < 0) {
// Something wrong happened in send
applog(LOG_ERR, "%"PRIpreprv": Failed to send hash data with err %d, retrying", cgpu->proc_repr, i);
cgsleep_ms(500);
i = libztex_sendHashData(ztex, sendbuf);
if (i < 0) {
// And there's nothing we can do about it
ztex_disable(thr);
applog(LOG_ERR, "%"PRIpreprv": Failed to send hash data with err %d, giving up", cgpu->proc_repr, i);
ztex_releaseFpga(ztex);
return -1;
}
}
ztex_releaseFpga(ztex);
applog(LOG_DEBUG, "%"PRIpreprv": sent hashdata", cgpu->proc_repr);
lastnonce = calloc(1, sizeof(uint32_t)*ztex->numNonces);
if (lastnonce == NULL) {
applog(LOG_ERR, "%"PRIpreprv": failed to allocate lastnonce[%d]", cgpu->proc_repr, ztex->numNonces);
return -1;
}
/* Add an extra slot for detecting dupes that lie around */
backlog_max = ztex->numNonces * (2 + ztex->extraSolutions);
backlog = calloc(1, sizeof(uint32_t) * backlog_max);
if (backlog == NULL) {
applog(LOG_ERR, "%"PRIpreprv": failed to allocate backlog[%d]", cgpu->proc_repr, backlog_max);
free(lastnonce);
return -1;
}
overflow = false;
int count = 0;
applog(LOG_DEBUG, "%"PRIpreprv": entering poll loop", cgpu->proc_repr);
while (!(overflow || thr->work_restart)) {
count++;
if (!restart_wait(thr, 250))
{
applog(LOG_DEBUG, "%"PRIpreprv": New work detected", cgpu->proc_repr);
break;
}
ztex_selectFpga(ztex, cgpu->proc_id);
i = libztex_readHashData(ztex, &hdata[0]);
if (i < 0) {
// Something wrong happened in read
applog(LOG_ERR, "%"PRIpreprv": Failed to read hash data with err %d, retrying", cgpu->proc_repr, i);
cgsleep_ms(500);
i = libztex_readHashData(ztex, &hdata[0]);
if (i < 0) {
// And there's nothing we can do about it
ztex_disable(thr);
applog(LOG_ERR, "%"PRIpreprv": Failed to read hash data with err %d, giving up", cgpu->proc_repr, i);
free(lastnonce);
free(backlog);
ztex_releaseFpga(ztex);
return -1;
}
}
ztex_releaseFpga(ztex);
if (thr->work_restart) {
applog(LOG_DEBUG, "%"PRIpreprv": New work detected", cgpu->proc_repr);
break;
}
dclk_gotNonces(&ztex->dclk);
for (i = 0; i < ztex->numNonces; i++) {
nonce = hdata[i].nonce;
if (nonce > noncecnt)
noncecnt = nonce;
if (((0xffffffff - nonce) < (nonce - lastnonce[i])) || nonce < lastnonce[i]) {
applog(LOG_DEBUG, "%"PRIpreprv": overflow nonce=%08x lastnonce=%08x", cgpu->proc_repr, nonce, lastnonce[i]);
overflow = true;
} else
lastnonce[i] = nonce;
if (!ztex_checkNonce(cgpu, work, &hdata[i])) {
// do not count errors in the first 500ms after sendHashData (2x250 wait time)
if (count > 2)
dclk_errorCount(&ztex->dclk, 1.0 / ztex->numNonces);
inc_hw_errors_only(thr);
}
for (j=0; j<=ztex->extraSolutions; j++) {
nonce = hdata[i].goldenNonce[j];
if (nonce == ztex->offsNonces) {
continue;
}
found = false;
for (k = 0; k < backlog_max; k++) {
if (backlog[k] == nonce) {
found = true;
break;
}
}
if (!found) {
backlog[backlog_p++] = nonce;
if (backlog_p >= backlog_max)
backlog_p = 0;
work->blk.nonce = 0xffffffff;
if (!j || test_nonce(work, nonce, false))
submit_nonce(thr, work, nonce);
applog(LOG_DEBUG, "%"PRIpreprv": submitted %08x (from N%dE%d)", cgpu->proc_repr, nonce, i, j);
}
}
}
}
dclk_preUpdate(&ztex->dclk);
if (!ztex_updateFreq(thr)) {
// Something really serious happened, so mark this thread as dead!
free(lastnonce);
free(backlog);
return -1;
}
applog(LOG_DEBUG, "%"PRIpreprv": exit %1.8X", cgpu->proc_repr, noncecnt);
work->blk.nonce = 0xffffffff;
free(lastnonce);
free(backlog);
return noncecnt;
}
static int64_t hfa_scanwork(struct thr_info *thr)
{
struct cgpu_info *hashfast = thr->cgpu;
struct hashfast_info *info = hashfast->device_data;
int jobs, ret, cycles = 0;
int64_t hashes;
if (unlikely(hashfast->usbinfo.nodev)) {
applog(LOG_WARNING, "%s %d: device disappeared, disabling",
hashfast->drv->name, hashfast->device_id);
return -1;
}
if (unlikely(last_getwork - hashfast->last_device_valid_work > 60)) {
applog(LOG_WARNING, "%s %d: No valid hashes for over 1 minute, attempting to reset",
hashfast->drv->name, hashfast->device_id);
if (info->hash_clock_rate > HFA_CLOCK_DEFAULT) {
info->hash_clock_rate -= 5;
if (info->hash_clock_rate < opt_hfa_hash_clock)
opt_hfa_hash_clock = info->hash_clock_rate;
applog(LOG_WARNING, "%s %d: Decreasing clock speed to %d with reset",
hashfast->drv->name, hashfast->device_id, info->hash_clock_rate);
}
ret = hfa_reset(hashfast, info);
if (!ret) {
applog(LOG_ERR, "%s %d: Failed to reset after hash failure, disabling",
hashfast->drv->name, hashfast->device_id);
return -1;
}
applog(LOG_NOTICE, "%s %d: Reset successful", hashfast->drv->name,
hashfast->device_id);
}
if (unlikely(thr->work_restart)) {
restart:
info->last_restart = time(NULL);
thr->work_restart = false;
ret = hfa_send_frame(hashfast, HF_USB_CMD(OP_WORK_RESTART), 0, (uint8_t *)NULL, 0);
if (unlikely(!ret)) {
ret = hfa_reset(hashfast, info);
if (unlikely(!ret)) {
applog(LOG_ERR, "%s %d: Failed to reset after write failure, disabling",
hashfast->drv->name, hashfast->device_id);
return -1;
}
}
/* Give a full allotment of jobs after a restart, not waiting
* for the status update telling us how much to give. */
jobs = info->usb_init_base.inflight_target;
} else {
/* Only adjust die clocks if there's no restart since two
* restarts back to back get ignored. */
hfa_temp_clock(hashfast, info);
jobs = hfa_jobs(hashfast, info);
}
/* Wait on restart_wait for up to 0.5 seconds or submit jobs as soon as
* they're required. */
while (!jobs && ++cycles < 5) {
ret = restart_wait(thr, 100);
if (unlikely(!ret))
goto restart;
jobs = hfa_jobs(hashfast, info);
}
if (jobs) {
applog(LOG_DEBUG, "%s %d: Sending %d new jobs", hashfast->drv->name, hashfast->device_id,
jobs);
}
while (jobs-- > 0) {
struct hf_hash_usb op_hash_data;
struct work *work;
uint64_t intdiff;
int i, sequence;
uint32_t *p;
/* This is a blocking function if there's no work */
work = get_work(thr, thr->id);
/* Assemble the data frame and send the OP_HASH packet */
memcpy(op_hash_data.midstate, work->midstate, sizeof(op_hash_data.midstate));
memcpy(op_hash_data.merkle_residual, work->data + 64, 4);
p = (uint32_t *)(work->data + 64 + 4);
op_hash_data.timestamp = *p++;
op_hash_data.bits = *p++;
op_hash_data.starting_nonce = 0;
op_hash_data.nonce_loops = 0;
op_hash_data.ntime_loops = 0;
/* Set the number of leading zeroes to look for based on diff.
* Diff 1 = 32, Diff 2 = 33, Diff 4 = 34 etc. */
intdiff = (uint64_t)work->device_diff;
for (i = 31; intdiff; i++, intdiff >>= 1);
op_hash_data.search_difficulty = i;
op_hash_data.group = 0;
if ((sequence = info->hash_sequence_head + 1) >= info->num_sequence)
sequence = 0;
ret = hfa_send_frame(hashfast, OP_HASH, sequence, (uint8_t *)&op_hash_data, sizeof(op_hash_data));
if (unlikely(!ret)) {
ret = hfa_reset(hashfast, info);
if (unlikely(!ret)) {
applog(LOG_ERR, "%s %d: Failed to reset after write failure, disabling",
hashfast->drv->name, hashfast->device_id);
return -1;
}
}
mutex_lock(&info->lock);
info->hash_sequence_head = sequence;
info->works[info->hash_sequence_head] = work;
mutex_unlock(&info->lock);
applog(LOG_DEBUG, "%s %d: OP_HASH sequence %d search_difficulty %d work_difficulty %g",
hashfast->drv->name, hashfast->device_id, info->hash_sequence_head,
op_hash_data.search_difficulty, work->work_difficulty);
}
/* Only count 2/3 of the hashes to smooth out the hashrate for cycles
* that have no hashes added. */
mutex_lock(&info->lock);
hashes = info->hash_count / 3 * 2;
info->calc_hashes += hashes;
info->hash_count -= hashes;
mutex_unlock(&info->lock);
return hashes;
}
static int64_t bitfury_scanHash(struct thr_info *thr)
{
static struct bitfury_device *devices; // TODO Move somewhere to appropriate place
int chip_n;
int chip;
uint64_t hashes = 0;
unsigned char line[2048];
char stat_lines[32][256] = {0};
static first = 0; //TODO Move to detect()
int i;
static int shift_number = 1;
static struct timeval spi_started;
struct timeval now;
struct cgpu_info *cgpu = thr->cgpu;
devices = thr->cgpu->devices;
chip_n = thr->cgpu->chip_n;
if (!first) {
for (i = 0; i < chip_n; i++) {
devices[i].osc6_bits = 50;
}
set_chip_opts(devices, chip_n);
for (i = 0; i < chip_n; i++) {
send_reinit(devices[i].slot, devices[i].fasync, devices[i].osc6_bits);
}
cgtime(&spi_started);
}
first = 1;
cgtime(&now);
int wait=1000000*(now.tv_sec-spi_started.tv_sec)+now.tv_usec-spi_started.tv_usec;
if(wait<800000){
//cgsleep_ms((800000-wait)/1000);
if(restart_wait(thr, (800000-wait)/1000) != ETIMEDOUT)
{
//purge work
for (;chip < chip_n; chip++)
{
if(devices[chip].bfwork.work != NULL)
{
work_completed(thr->cgpu, devices[chip].bfwork.work);
}
devices[chip].bfwork.work = NULL;
devices[chip].bfwork.results_n = 0;
devices[chip].bfwork.results_sent = 0;
}
}
}
for (chip = 0; chip < chip_n; chip++) {
devices[chip].job_switched = 0;
if(!devices[chip].bfwork.work) {
devices[chip].bfwork.work = get_queued(thr->cgpu);
if (devices[chip].bfwork.work == NULL) {
return 0;
}
work_to_payload(&(devices[chip].bfwork.payload), devices[chip].bfwork.work);
}
}
cgtime(&spi_started);
libbitfury_sendHashData(devices, chip_n);
chip = 0;
int high = 0;
double aveg = 0.0;
int total = 0;
int futures =0;
for (;chip < chip_n; chip++) {
if (devices[chip].job_switched) {
int i=0;
struct work *work = devices[chip].bfwork.work;
struct work *owork = devices[chip].obfwork.work;
struct work *o2work = devices[chip].o2bfwork.work;
if (owork)
i+=submit_work(&devices[chip].obfwork, thr);
if (o2work)
i+=submit_work(&devices[chip].o2bfwork, thr);
if (work)
i+=submit_work(&devices[chip].bfwork, thr);
high = high > i?high:i;
total+=i;
devices[chip].job_switched = 0;
if (o2work)
work_completed(thr->cgpu, o2work);
//printf("%d %d %d\n",devices[chip].o2bfwork.results_n,devices[chip].obfwork.results_n,devices[chip].bfwork.results_n);
memcpy (&(devices[chip].o2bfwork),&(devices[chip].obfwork),sizeof(struct bitfury_work));
memcpy (&(devices[chip].obfwork),&(devices[chip].bfwork),sizeof(struct bitfury_work));
devices[chip].bfwork.work = NULL;
devices[chip].bfwork.results_n = 0;
devices[chip].bfwork.results_sent = 0;
hashes += 0xffffffffull * i;
}
/*
if(shift_number % 100 == 0)
{
int len = strlen(stat_lines[devices[chip].slot]);
snprintf(stat_lines[devices[chip].slot]+len,256-len,"%d: %d/%d ",chip,devices[chip].nonces_found/devices[chip].nonce_errors);
}
*/
}
aveg = (double) total / chip_n;
//applog(LOG_WARNING, "high: %d aver: %4.2f total %d futures %d", high, aveg,total,futures);
if(shift_number % 100 == 0)
{
/*
applog(LOG_WARNING,stat_lines[0]);
applog(LOG_WARNING,stat_lines[1]);
applog(LOG_WARNING,stat_lines[2]);
applog(LOG_WARNING,stat_lines[3]);
*/
}
shift_number++;
return hashes;
}
