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functions for handling work queues

nfactor-troky
Kano 12 years ago
parent
commit
131e20042a
  1. 40
      cgminer.c
  2. 5
      miner.h

40
cgminer.c

@ -5786,12 +5786,32 @@ struct work *get_queued(struct cgpu_info *cgpu) @@ -5786,12 +5786,32 @@ struct work *get_queued(struct cgpu_info *cgpu)
return ret;
}
struct work *find_work(struct cgpu_info *cgpu, char *midstate, size_t midstatelen, char *data, int offset, size_t datalen)
/* This function is for including work in the given que hashtable.
* The calling function must lock access to the que if it is required. */
struct work *add_to_work_que(struct work *que, struct work *work)
{
HASH_ADD_INT(que, id, work);
return que;
}
/* This function is for removing work from the given que hashtable.
* The calling function must lock access to the que if it is required. */
struct work *del_from_work_que(struct work *que, struct work *work)
{
HASH_DEL(que, work);
return que;
}
/* This function is for finding an already queued work item in the
* given que hashtable. Code using this function must be able
* to handle NULL as a return which implies there is no matching work.
* The calling function must lock access to the que if it is required.
* The common values for midstatelen, offset, datalen are 32, 64, 12 */
struct work *find_work_bymidstate(struct work *que, char *midstate, size_t midstatelen, char *data, int offset, size_t datalen)
{
struct work *work, *tmp, *ret = NULL;
rd_lock(&cgpu->qlock);
HASH_ITER(hh, cgpu->queued_work, work, tmp) {
HASH_ITER(hh, que, work, tmp) {
if (work->queued &&
memcmp(work->midstate, midstate, midstatelen) == 0 &&
memcmp(work->data + offset, data, datalen) == 0) {
@ -5799,6 +5819,20 @@ struct work *find_work(struct cgpu_info *cgpu, char *midstate, size_t midstatele @@ -5799,6 +5819,20 @@ struct work *find_work(struct cgpu_info *cgpu, char *midstate, size_t midstatele
break;
}
}
return ret;
}
/* This function is for finding an already queued work item in the
* device's queued_work hashtable. Code using this function must be able
* to handle NULL as a return which implies there is no matching work.
* The common values for midstatelen, offset, datalen are 32, 64, 12 */
struct work *find_queued_work_bymidstate(struct cgpu_info *cgpu, char *midstate, size_t midstatelen, char *data, int offset, size_t datalen)
{
struct work *ret;
rd_lock(&cgpu->qlock);
ret = find_work_bymidstate(cgpu->queued_work, midstate, midstatelen, data, offset, datalen);
rd_unlock(&cgpu->qlock);
return ret;

5
miner.h

@ -1183,7 +1183,10 @@ struct modminer_fpga_state { @@ -1183,7 +1183,10 @@ struct modminer_fpga_state {
extern void get_datestamp(char *, struct timeval *);
extern void submit_nonce(struct thr_info *thr, struct work *work, uint32_t nonce);
extern struct work *get_queued(struct cgpu_info *cgpu);
extern struct work *find_work(struct cgpu_info *cgpu, char *midstate, size_t midstatelen, char *data, int offset, size_t datalen);
extern struct work *add_to_work_que(struct work *que, struct work *work);
extern struct work *del_from_work_que(struct work *que, struct work *work);
extern struct work *find_work_bymidstate(struct work *que, char *midstate, size_t midstatelen, char *data, int offset, size_t datalen);
struct work *find_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 void hash_queued_work(struct thr_info *mythr);
extern void tailsprintf(char *f, const char *fmt, ...);

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