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Lock comms around entire bitforce_init, and move setting of fd to end.

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Make sleep occur everytime in scanhash.
This commit is contained in:
Paul Sheppard 2012-06-27 08:25:25 -07:00
parent 62c3c66f17
commit 01a7e912c8
1 changed files with 27 additions and 18 deletions
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45
driver-bitforce.c
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@ -146,6 +146,7 @@ void bitforce_init(struct cgpu_info *bitforce)
applog(LOG_INFO, "BFL%i: Re-initalizing", bitforce->device_id);
mutex_lock(&bitforce->device_mutex);
if (fdDev) {
BFclose(fdDev);
bitforce->device_fd = 0;
@ -154,23 +155,22 @@ void bitforce_init(struct cgpu_info *bitforce)
fdDev = BFopen(devpath);
if (unlikely(fdDev == -1)) {
applog(LOG_ERR, "BFL%i: Failed to open %s", bitforce->device_id, devpath);
mutex_unlock(&bitforce->device_mutex);
return;
}
bitforce->device_fd = fdDev;
mutex_lock(&bitforce->device_mutex);
BFwrite(fdDev, "ZGX", 3);
BFgets(pdevbuf, sizeof(pdevbuf), fdDev);
mutex_unlock(&bitforce->device_mutex);
if (unlikely(!pdevbuf[0])) {
applog(LOG_ERR, "BFL%i: Error reading (ZGX)", bitforce->device_id);
mutex_unlock(&bitforce->device_mutex);
return;
}
if (unlikely(!strstr(pdevbuf, "SHA256"))) {
applog(LOG_ERR, "BFL%i: Didn't recognise BitForce on %s", bitforce->device_id, devpath);
applog(LOG_ERR, "BFL%i: Didn't recognise BitForce on %s returned: %s", bitforce->device_id, devpath, pdevbuf);
mutex_unlock(&bitforce->device_mutex);
return;
}
@ -179,6 +179,9 @@ void bitforce_init(struct cgpu_info *bitforce)
s[0] = '\0';
bitforce->name = strdup(pdevbuf + 7);
}
bitforce->device_fd = fdDev;
mutex_unlock(&bitforce->device_mutex);
}
static bool bitforce_get_temp(struct cgpu_info *bitforce)
@ -187,6 +190,9 @@ static bool bitforce_get_temp(struct cgpu_info *bitforce)
char pdevbuf[0x100];
char *s;
if (!fdDev)
return false;
mutex_lock(&bitforce->device_mutex);
BFwrite(fdDev, "ZLX", 3);
BFgets(pdevbuf, sizeof(pdevbuf), fdDev);
@ -352,23 +358,25 @@ static uint64_t bitforce_scanhash(struct thr_info *thr, struct work *work, uint6
bitforce->wait_ms = 0;
uint64_t ret;
if (ret = bitforce_send_work(thr, work)) {
if(!opt_submit_stale || !submit_old) {
while (bitforce->wait_ms < bitforce->sleep_ms) {
usleep(WORK_CHECK_INTERVAL_MS*1000);
bitforce->wait_ms += WORK_CHECK_INTERVAL_MS;
if (work_restart[thr->id].restart) {
applog(LOG_DEBUG, "BFL%i: Work restart, discarding after %dms", bitforce->device_id, bitforce->wait_ms);
return 1; //we have discarded all work; equivilent to 0 hashes done.
}
ret = bitforce_send_work(thr, work);
if(!opt_submit_stale || !submit_old) {
while (bitforce->wait_ms < bitforce->sleep_ms) {
usleep(WORK_CHECK_INTERVAL_MS*1000);
bitforce->wait_ms += WORK_CHECK_INTERVAL_MS;
if (work_restart[thr->id].restart) {
applog(LOG_DEBUG, "BFL%i: Work restart, discarding after %dms", bitforce->device_id, bitforce->wait_ms);
return 1; //we have discarded all work; equivilent to 0 hashes done.
}
} else {
usleep(bitforce->sleep_ms*1000);
bitforce->wait_ms = bitforce->sleep_ms;
}
ret = bitforce_get_result(thr, work);
} else {
usleep(bitforce->sleep_ms*1000);
bitforce->wait_ms = bitforce->sleep_ms;
}
if (ret)
ret = bitforce_get_result(thr, work);
if (!ret) {
ret = 1;
applog(LOG_ERR, "BFL%i: Comms error", bitforce->device_id);
@ -411,3 +419,4 @@ struct device_api bitforce_api = {
.thread_shutdown = bitforce_shutdown,
.thread_enable = biforce_thread_enable
};