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Add a hash_driver_work function to allow for drivers that wish to do their own work queueing and management.

This commit is contained in:
Con Kolivas 2013-10-12 09:05:58 +11:00
parent 3b2630cf5a
commit 58008a3742
2 changed files with 48 additions and 0 deletions

View File

@ -6532,6 +6532,53 @@ void hash_queued_work(struct thr_info *mythr)
cgpu->deven = DEV_DISABLED;
}
/* This version of hash_work is for devices drivers that want to do their own
* work management entirely, usually by using get_work(). Note that get_work
* is a blocking function and will wait indefinitely if no work is available
* so this must be taken into consideration in the driver. */
void hash_driver_work(struct thr_info *mythr)
{
struct timeval tv_start = {0, 0}, tv_end;
struct cgpu_info *cgpu = mythr->cgpu;
struct device_drv *drv = cgpu->drv;
const int thr_id = mythr->id;
int64_t hashes_done = 0;
while (likely(!cgpu->shutdown)) {
struct timeval diff;
int64_t hashes;
mythr->work_restart = false;
hashes = drv->scanwork(mythr);
if (unlikely(hashes == -1 )) {
applog(LOG_ERR, "%s %d failure, disabling!", drv->name, cgpu->device_id);
cgpu->deven = DEV_DISABLED;
dev_error(cgpu, REASON_THREAD_ZERO_HASH);
mt_disable(mythr, thr_id, drv);
}
hashes_done += hashes;
cgtime(&tv_end);
timersub(&tv_end, &tv_start, &diff);
/* Update the hashmeter at most 5 times per second */
if ((hashes_done && (diff.tv_sec > 0 || diff.tv_usec > 200000)) ||
diff.tv_sec >= opt_log_interval) {
hashmeter(thr_id, &diff, hashes_done);
hashes_done = 0;
copy_time(&tv_start, &tv_end);
}
if (unlikely(mythr->pause || cgpu->deven != DEV_ENABLED))
mt_disable(mythr, thr_id, drv);
if (unlikely(mythr->work_restart))
drv->flush_work(cgpu);
}
cgpu->deven = DEV_DISABLED;
}
void *miner_thread(void *userdata)
{
struct thr_info *mythr = userdata;

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@ -1390,6 +1390,7 @@ extern struct work *find_queued_work_bymidstate(struct cgpu_info *cgpu, char *mi
extern struct work *clone_queued_work_bymidstate(struct cgpu_info *cgpu, char *midstate, size_t midstatelen, char *data, int offset, size_t datalen);
extern void work_completed(struct cgpu_info *cgpu, struct work *work);
extern struct work *take_queued_work_bymidstate(struct cgpu_info *cgpu, char *midstate, size_t midstatelen, char *data, int offset, size_t datalen);
extern void hash_driver_work(struct thr_info *mythr);
extern void hash_queued_work(struct thr_info *mythr);
extern void _wlog(const char *str);
extern void _wlogprint(const char *str);