per-pool gpu-fan

doc/configuration.md

@@ -56,6 +56,7 @@ global settings:
 * pool-gpu-memclock
 * pool-gpu-threads
 * pool-thread-concurrency
+* pool-gpu-fan
 
 ## CLI-only options
 

miner.h

@@ -1225,6 +1225,7 @@ struct pool {
   const char *gpu_engine;
   const char *gpu_memclock;
   const char *gpu_threads;
+  const char *gpu_fan;
 
 	pthread_mutex_t pool_lock;
 	cglock_t data_lock;

sgminer.c

@@ -836,6 +836,13 @@ static char *set_pool_gpu_threads(const char *arg)
   return NULL;
 }
 
+static char *set_pool_gpu_fan(const char *arg)
+{
+  struct pool *pool = get_current_pool();
+  pool->gpu_fan = arg;
+  return NULL;
+}
+
 static char *set_pool_nfactor(const char *arg)
 {
   struct pool *pool = get_current_pool();
@@ -1328,7 +1335,9 @@ static struct opt_table opt_config_table[] = {
   OPT_WITH_ARG("--pool-gpu-threads",
       set_pool_gpu_threads, NULL, NULL,
       "Number of threads per GPU for pool"),
-
+  OPT_WITH_ARG("--pool-gpu-fan",
+      set_pool_gpu_fan, NULL, NULL,
+      "GPU fan for pool"),
 #endif
   OPT_WITH_ARG("--lookup-gap",
       set_lookup_gap, NULL, NULL,
@@ -6201,6 +6210,12 @@ static void get_work_prepare_thread(struct thr_info *mythr, struct work *work)
       for (i = 0; i < nDevs; i++)
         set_memoryclock(i, gpus[i].gpu_memclock);
     }
+    if (work->pool->gpu_fan) {
+      set_gpu_fan(work->pool->gpu_fan);
+      for (i = 0; i < nDevs; i++)
+        if (gpus[i].min_fan == gpus[i].gpu_fan)
+          set_fanspeed(i, gpus[i].gpu_fan);
+    }
     // Change algorithm for each thread (thread_prepare calls initCl)
     for (i = 0; i < mining_threads; i++) {
       struct thr_info *thr = mining_thr[i];