Commit 897b206198768d71fdf6eabf81e253e3704e8fa0
2014-05-10T00:47:09
minion - idle chips that hit >100C until back to 80C
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diff --git a/driver-minion.c b/driver-minion.c
index 1fd4924..404ba3c 100644
--- a/driver-minion.c
+++ b/driver-minion.c
@@ -133,6 +133,19 @@ static void minion_detect(__maybe_unused bool hotplug)
// enable 'no nonce' report
#define SYS_MISC_CTL_DEFAULT 0x04
+#define MINION_TEMP_40 0
+#define MINION_TEMP_60 1
+#define MINION_TEMP_80 3
+#define MINION_TEMP_100 7
+#define MINION_TEMP_OVER 15
+
+static const char *min_temp_40 = "<40";
+static const char *min_temp_60 = "40-60";
+static const char *min_temp_80 = "60-80";
+static const char *min_temp_100 = "80-100";
+static const char *min_temp_over = ">100";
+static const char *min_temp_invalid = "?";
+
// CORE data size is DATA_SIZ
#define MINION_CORE_ENA0_31 0x10
#define MINION_CORE_ENA32_63 0x11
@@ -250,6 +263,7 @@ struct minion_status {
uint16_t cores;
uint32_t freq;
struct timeval last;
+ bool overheat;
};
// TODO: untested/unused
@@ -1756,7 +1770,7 @@ static void *minion_spi_write(void *userdata)
{
struct cgpu_info *minioncgpu = (struct cgpu_info *)userdata;
struct minion_info *minioninfo = (struct minion_info *)(minioncgpu->device_data);
- K_ITEM *item, *tail;
+ K_ITEM *item, *tail, *task;
TITEM *titem;
applog(MINION_LOG, "%s%i: SPI writing...",
@@ -1838,6 +1852,46 @@ static void *minion_spi_write(void *userdata)
minioninfo->chip_status[chip].cores = STA_CORES(rep);
minioninfo->chip_status[chip].freq = STA_FREQ(rep);
mutex_unlock(&(minioninfo->sta_lock));
+
+ if (minioninfo->chip_status[chip].overheat) {
+ switch (STA_TEMP(rep)) {
+ case MINION_TEMP_40:
+ case MINION_TEMP_60:
+ case MINION_TEMP_80:
+ minioninfo->chip_status[chip].overheat = false;
+ applog(LOG_WARNING, "%s%d: chip %d cooled, restarting",
+ minioncgpu->drv->name,
+ minioncgpu->device_id,
+ chip);
+ break;
+ default:
+ break;
+ }
+ } else {
+ if (STA_TEMP(rep) == MINION_TEMP_OVER) {
+ applog(LOG_WARNING, "%s%d: chip %d overheated! idling",
+ minioncgpu->drv->name,
+ minioncgpu->device_id,
+ chip);
+ K_WLOCK(minioninfo->tfree_list);
+ task = k_get_head(minioninfo->tfree_list, MINION_FFL_HERE);
+ DATAT(task)->chip = chip;
+ DATAT(task)->write = true;
+ DATAT(task)->address = MINION_SYS_RSTN_CTL;
+ DATAT(task)->task_id = 0; // ignored
+ DATAT(task)->wsiz = MINION_SYS_SIZ;
+ DATAT(task)->rsiz = 0;
+ DATAT(task)->wbuf[0] = SYS_RSTN_CTL_FLUSH;
+ DATAT(task)->wbuf[1] = 0;
+ DATAT(task)->wbuf[2] = 0;
+ DATAT(task)->wbuf[3] = 0;
+ DATAT(task)->urgent = true;
+ k_add_head(minioninfo->task_list, task, MINION_FFL_HERE);
+ K_WUNLOCK(minioninfo->tfree_list);
+
+ minioninfo->chip_status[chip].overheat = true;
+ }
+ }
}
break;
case WRITE_ADDR(MINION_QUE_0):
@@ -2472,7 +2526,7 @@ static void minion_do_work(struct cgpu_info *minioncgpu)
*/
for (state = 0; state < 3; state++) {
for (chip = 0; chip < MINION_CHIPS; chip++) {
- if (minioninfo->chip[chip]) {
+ if (minioninfo->chip[chip] && !minioninfo->chip_status[chip].overheat) {
K_RLOCK(minioninfo->wchip_list[chip]);
count = minioninfo->wchip_list[chip]->count_up;
K_RUNLOCK(minioninfo->wchip_list[chip]);
@@ -2675,26 +2729,19 @@ static int64_t minion_scanwork(__maybe_unused struct thr_info *thr)
return hashcount;
}
-static const char *min_temp_0 = "<40";
-static const char *min_temp_1 = "40-60";
-static const char *min_temp_3 = "60-80";
-static const char *min_temp_7 = "80-100";
-static const char *min_temp_15 = ">100";
-static const char *min_temp_invalid = "?";
-
static const char *temp_str(uint16_t temp)
{
switch (temp) {
- case 0:
- return min_temp_0;
- case 1:
- return min_temp_1;
- case 3:
- return min_temp_3;
- case 7:
- return min_temp_7;
- case 15:
- return min_temp_15;
+ case MINION_TEMP_40:
+ return min_temp_40;
+ case MINION_TEMP_60:
+ return min_temp_60;
+ case MINION_TEMP_80:
+ return min_temp_80;
+ case MINION_TEMP_100:
+ return min_temp_100;
+ case MINION_TEMP_OVER:
+ return min_temp_over;
}
return min_temp_invalid;
}
@@ -2755,6 +2802,8 @@ static struct api_data *minion_api_stats(struct cgpu_info *minioncgpu)
root = api_add_uint32(root, buf, &(minioninfo->chip_status[chip].freq), true);
snprintf(buf, sizeof(buf), "Chip %d InitFreq", chip);
root = api_add_int(root, buf, &(minioninfo->init_freq[chip]), true);
+ snprintf(buf, sizeof(buf), "Chip %d Overheat", chip);
+ root = api_add_bool(root, buf, &(minioninfo->chip_status[chip].overheat), true);
}
for (i = 0; i <= max_chip; i += CHIPS_PER_STAT) {