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Provide a way for drivers to submit work that it has internally rolled the ntime value by returning the amount it has ntime rolled to be added.

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This commit is contained in:
Con Kolivas 2013-10-04 21:39:42 +10:00
parent b5c49aefd7
commit 4c79252dc8
2 changed files with 20 additions and 0 deletions
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18
cgminer.c
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@ -6084,6 +6084,24 @@ bool submit_nonce(struct thr_info *thr, struct work *work, uint32_t nonce)
return ret; return ret;
} }
/* Allows drivers to submit work items where the driver has changed the ntime
* value by noffset. Must be only used with a work protocol that does not ntime
* roll itself intrinsically to generate work (eg stratum). */
bool submit_noffset_nonce(struct thr_info *thr, struct work *work, uint32_t nonce,
int noffset)
{
unsigned char bin[4];
uint32_t h32, *be32 = (uint32_t *)bin;
hex2bin(bin, work->ntime, 4);
h32 = be32toh(*be32) + noffset;
*be32 = htobe32(h32);
free(work->ntime);
work->ntime = bin2hex(bin, 4);
return submit_nonce(thr, work, nonce);
}
static inline bool abandon_work(struct work *work, struct timeval *wdiff, uint64_t hashes) static inline bool abandon_work(struct work *work, struct timeval *wdiff, uint64_t hashes)
{ {
if (wdiff->tv_sec > opt_scantime || if (wdiff->tv_sec > opt_scantime ||

2
miner.h
View File

@ -1388,6 +1388,8 @@ extern void inc_hw_errors(struct thr_info *thr);
extern bool test_nonce(struct work *work, uint32_t nonce); extern bool test_nonce(struct work *work, uint32_t nonce);
extern void submit_tested_work(struct thr_info *thr, struct work *work); extern void submit_tested_work(struct thr_info *thr, struct work *work);
extern bool submit_nonce(struct thr_info *thr, struct work *work, uint32_t nonce); extern bool submit_nonce(struct thr_info *thr, struct work *work, uint32_t nonce);
extern bool submit_noffset_nonce(struct thr_info *thr, struct work *work, uint32_t nonce,
int noffset);
extern struct work *get_queued(struct cgpu_info *cgpu); extern struct work *get_queued(struct cgpu_info *cgpu);
extern struct work *__find_work_bymidstate(struct work *que, char *midstate, size_t midstatelen, char *data, int offset, size_t datalen); extern struct work *__find_work_bymidstate(struct work *que, char *midstate, size_t midstatelen, char *data, int offset, size_t datalen);
extern struct work *find_queued_work_bymidstate(struct cgpu_info *cgpu, char *midstate, size_t midstatelen, char *data, int offset, size_t datalen); extern struct work *find_queued_work_bymidstate(struct cgpu_info *cgpu, char *midstate, size_t midstatelen, char *data, int offset, size_t datalen);