Commit 08b589a376067797d21f15d4393ac76dd59f44f3
2013-10-28T14:09:18
Add two tunable parameters for cores Disable Policy (at the moment they are tunable at compile time only)
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39
diff --git a/driver-knc-spi-fpga.c b/driver-knc-spi-fpga.c
index ae5876b..a444c4d 100644
--- a/driver-knc-spi-fpga.c
+++ b/driver-knc-spi-fpga.c
@@ -47,6 +47,10 @@
/* Keep core disabled for no longer than 15 minutes */
#define CORE_DISA_PERIOD_US (15 * 60 * 1000000)
+/* DP = Disable Policy */
+bool opt_knc_DP_checkworkid = false;
+bool opt_knc_DP_disable_permanently = false;
+
struct spidev_context {
int fd;
uint32_t speed;
@@ -494,8 +498,11 @@ static int64_t knc_process_response(struct thr_info *thr, struct cgpu_info *cgpu
knc->hwerr_work_id[cidx] = 0xFFFFFFFF;
}
} else {
- if ((cidx < (int)sizeof(knc->hwerrs)) &&
- (knc->hwerr_work_id[cidx] != rxbuf->responses[i].work_id)) {
+ bool process_hwerr = (cidx < (int)sizeof(knc->hwerrs));
+ if (process_hwerr && opt_knc_DP_checkworkid &&
+ (knc->hwerr_work_id[cidx] == rxbuf->responses[i].work_id))
+ process_hwerr = false;
+ if (process_hwerr) {
knc->hwerr_work_id[cidx] = rxbuf->responses[i].work_id;
if (++(knc->hwerrs[cidx]) >= HW_ERR_LIMIT) {
struct core_disa_data *core;
@@ -505,7 +512,8 @@ static int64_t knc_process_response(struct thr_info *thr, struct cgpu_info *cgpu
core->asic = rxbuf->responses[i].asic;
core->core = rxbuf->responses[i].core;
disable_core(core->asic, core->core);
- if (++(knc->disa_cnt[cidx]) >= DISA_ERR_LIMIT) {
+ if (opt_knc_DP_disable_permanently &&
+ (++(knc->disa_cnt[cidx]) >= DISA_ERR_LIMIT)) {
applog(LOG_WARNING,
"KnC: core %u-%u was disabled permanently", core->asic, core->core);
} else {