static bool hfa_detect_common(struct cgpu_info *hashfast)
{
struct hashfast_info *info;
bool ret;
info = calloc(sizeof(struct hashfast_info), 1);
if (!info)
quit(1, "Failed to calloc hashfast_info in hfa_detect_common");
hashfast->device_data = info;
/* hashfast_reset should fill in details for info */
ret = hfa_reset(hashfast, info);
if (!ret) {
hfa_send_shutdown(hashfast);
hfa_clear_readbuf(hashfast);
free(info);
hashfast->device_data = NULL;
return false;
}
// The per-die status array
info->die_status = calloc(info->asic_count, sizeof(struct hf_g1_die_data));
if (unlikely(!(info->die_status)))
quit(1, "Failed to calloc die_status");
// The per-die statistics array
info->die_statistics = calloc(info->asic_count, sizeof(struct hf_long_statistics));
if (unlikely(!(info->die_statistics)))
quit(1, "Failed to calloc die_statistics");
info->works = calloc(sizeof(struct work *), info->num_sequence);
if (!info->works)
quit(1, "Failed to calloc info works in hfa_detect_common");
return true;
}
static void hfa_parse_gwq_status(struct cgpu_info *hashfast, struct hashfast_info *info,
struct hf_header *h)
{
struct hf_gwq_data *g = (struct hf_gwq_data *)(h + 1);
struct work *work;
applog(LOG_DEBUG, "HFA %d: OP_GWQ_STATUS, device_head %4d tail %4d my tail %4d shed %3d inflight %4d",
hashfast->device_id, g->sequence_head, g->sequence_tail, info->hash_sequence_tail,
g->shed_count, HF_SEQUENCE_DISTANCE(info->hash_sequence_head,g->sequence_tail));
/* This is a special flag that the thermal overload has been tripped */
if (unlikely(h->core_address & 0x80)) {
applog(LOG_WARNING, "HFA %d Thermal overload tripped! Resetting device",
hashfast->device_id);
hfa_send_shutdown(hashfast);
if (hfa_reset(hashfast, info)) {
applog(LOG_NOTICE, "HFA %d: Succesfully reset, continuing operation",
hashfast->device_id);
return;
}
applog(LOG_WARNING, "HFA %d Failed to reset device, killing off thread to allow re-hotplug",
hashfast->device_id);
usb_nodev(hashfast);
return;
}
mutex_lock(&info->lock);
info->hash_count += g->hash_count;
info->device_sequence_head = g->sequence_head;
info->device_sequence_tail = g->sequence_tail;
info->shed_count = g->shed_count;
/* Free any work that is no longer required */
while (info->device_sequence_tail != info->hash_sequence_tail) {
if (++info->hash_sequence_tail >= info->num_sequence)
info->hash_sequence_tail = 0;
if (unlikely(!(work = info->works[info->hash_sequence_tail]))) {
applog(LOG_ERR, "HFA %d: Bad work sequence tail",
hashfast->device_id);
hashfast->shutdown = true;
break;
}
applog(LOG_DEBUG, "HFA %d: Completing work on hash_sequence_tail %d",
hashfast->device_id, info->hash_sequence_tail);
free_work(work);
info->works[info->hash_sequence_tail] = NULL;
}
mutex_unlock(&info->lock);
}
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 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;
}
