GOSTSec/sgminer
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Initially enable support for nonce range support on bfl, splitting nonces up into 3/4 size and only disable it if it fails on work submit.

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This commit is contained in:
Con Kolivas 2012-07-04 23:53:55 +10:00
parent 96fba30b6b
commit 6314a12b31
2 changed files with 30 additions and 25 deletions
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50
driver-bitforce.c
View File

@ -201,28 +201,12 @@ void bitforce_init(struct cgpu_info *bitforce)
bitforce->name = strdup(pdevbuf + 7);
}
/* Initially enable support for nonce range and disable it later if it
* fails */
bitforce->nonce_range = true;
bitforce->device_fd = fdDev;
bitforce->sleep_ms = BITFORCE_SLEEP_MS;
/* Look for nonce range support */
BFwrite(fdDev, "ZPX", 3);
BFgets(pdevbuf, sizeof(pdevbuf), fdDev);
if (strncasecmp(pdevbuf, "ERR", 3)) {
unsigned char ob[70];
uint32_t *nonce;
memset(ob, 0, 68);
sprintf((char *)ob, ">>>>>>>>");
sprintf((char *)ob + 60, ">>>>>>>>");
nonce = (uint32_t *)(ob + 56);
*nonce = htobe32(0x7FFFFFFF);
BFwrite(fdDev, ob, 68);
BFgets(pdevbuf, sizeof(pdevbuf), fdDev);
if (!strncasecmp(pdevbuf, "OK", 2)) {
applog(LOG_DEBUG, "BFL%i: Found nonce range support");
bitforce->nonce_range = true;
}
}
mutex_unlock(&bitforce->device_mutex);
}
@ -276,6 +260,9 @@ static bool bitforce_send_work(struct thr_info *thr, struct work *work)
return false;
re_send:
mutex_lock(&bitforce->device_mutex);
if (bitforce->nonce_range)
BFwrite(fdDev, "ZPX", 3);
else
BFwrite(fdDev, "ZDX", 3);
BFgets(pdevbuf, sizeof(pdevbuf), fdDev);
if (!pdevbuf[0] || (pdevbuf[0] == 'B')) {
@ -285,6 +272,11 @@ re_send:
goto re_send;
} else if (unlikely(pdevbuf[0] != 'O' || pdevbuf[1] != 'K')) {
mutex_unlock(&bitforce->device_mutex);
if (bitforce->nonce_range) {
applog(LOG_DEBUG, "BFL%i: Disabling nonce range support");
bitforce->nonce_range = false;
goto re_send;
}
applog(LOG_ERR, "BFL%i: Error: Send work reports: %s", bitforce->device_id, pdevbuf);
return false;
}
@ -292,9 +284,21 @@ re_send:
sprintf((char *)ob, ">>>>>>>>");
memcpy(ob + 8, work->midstate, 32);
memcpy(ob + 8 + 32, work->data + 64, 12);
if (!bitforce->nonce_range) {
sprintf((char *)ob + 8 + 32 + 12, ">>>>>>>>");
bitforce->end_nonce = 0xffffffff;
BFwrite(fdDev, ob, 60);
} else {
uint32_t *nonce;
nonce = (uint32_t *)(ob + 8 + 32 + 12);
*nonce = work->blk.nonce;
nonce = (uint32_t *)(ob + 8 + 32 + 12 + 4);
bitforce->end_nonce = *nonce = work->blk.nonce + 0x40000000;
sprintf((char *)ob + 8 + 32 + 12 + 8, ">>>>>>>>");
BFwrite(fdDev, ob, 68);
}
BFgets(pdevbuf, sizeof(pdevbuf), fdDev);
mutex_unlock(&bitforce->device_mutex);
@ -364,9 +368,9 @@ static uint64_t bitforce_get_result(struct thr_info *thr, struct work *work)
}
applog(LOG_DEBUG, "BFL%i: waited %dms until %s", bitforce->device_id, bitforce->wait_ms, pdevbuf);
work->blk.nonce = 0xffffffff;
work->blk.nonce = bitforce->end_nonce;
if (pdevbuf[2] == '-')
return 0xffffffff; /* No valid nonce found */
return bitforce->end_nonce; /* No valid nonce found */
else if (pdevbuf[0] == 'I')
return 1; /* Device idle */
else if (strncasecmp(pdevbuf, "NONCE-FOUND", 11)) {
@ -387,7 +391,7 @@ static uint64_t bitforce_get_result(struct thr_info *thr, struct work *work)
pnoncebuf += 9;
}
return 0xffffffff;
return bitforce->end_nonce;
}
static void bitforce_shutdown(struct thr_info *thr)

1
miner.h
View File

@ -322,6 +322,7 @@ struct cgpu_info {
#ifdef USE_BITFORCE
unsigned int wait_ms;
unsigned int sleep_ms;
uint32_t end_nonce;
bool nonce_range;
#endif
pthread_mutex_t device_mutex;