private static bool NvThermalPoliciesSetLimit(int busId, ref NvGpuThermalLimit info)
{
if (NvapiNativeMethods.NvThermalPoliciesSetLimit == null)
{
return(false);
}
try {
if (!HandlesByBusId.TryGetValue(busId, out NvPhysicalGpuHandle handle))
{
return(false);
}
var r = NvapiNativeMethods.NvThermalPoliciesSetLimit(handle, ref info);
if (r != NvStatus.NVAPI_OK)
{
NTMinerConsole.DevError(() => $"{nameof(NvapiNativeMethods.NvThermalPoliciesSetLimit)} {r.ToString()}");
}
if (r == NvStatus.NVAPI_OK)
{
return(true);
}
}
catch {
}
return(false);
}
private void SetTempLimit(int busId, int value)
{
value <<= 8;
try {
if (!NvThermalPoliciesGetInfo(busId, out NvGpuThermalInfo info))
{
return;
}
if (value == 0)
{
value = info.entries[0].def_temp;
}
else if (value > info.entries[0].max_temp)
{
value = info.entries[0].max_temp;
}
else if (value < info.entries[0].min_temp)
{
value = info.entries[0].min_temp;
}
NvGpuThermalLimit limit = NvThermalPoliciesGetLimit(busId);
limit.flags = 1;
limit.entries[0].value = (uint)value;
NvThermalPoliciesSetLimit(busId, ref limit);
}
catch {
}
}
private NvGpuThermalLimit NvThermalPoliciesGetLimit(int busId)
{
NvGpuThermalLimit info = new NvGpuThermalLimit();
if (NvapiNativeMethods.NvThermalPoliciesGetLimit == null)
{
return(info);
}
try {
if (!HandlesByBusId.TryGetValue(busId, out NvPhysicalGpuHandle handle))
{
return(info);
}
info.version = (uint)(VERSION2 | (Marshal.SizeOf(typeof(NvGpuThermalLimit))));
var r = NvapiNativeMethods.NvThermalPoliciesGetLimit(handle, ref info);
if (r != NvStatus.NVAPI_OK)
{
NTMinerConsole.DevError(() => $"{nameof(NvapiNativeMethods.NvThermalPoliciesGetLimit)} {r.ToString()}");
}
if (r == NvStatus.NVAPI_OK)
{
return(info);
}
}
catch {
}
return(info);
}
private bool NvThermalPoliciesSetLimit(int busId, ref NvGpuThermalLimit info)
{
if (NvapiNativeMethods.NvThermalPoliciesSetLimit == null)
{
return(false);
}
try {
if (!HandlesByBusId.TryGetValue(busId, out NvPhysicalGpuHandle handle))
{
return(false);
}
info.version = (uint)(VERSION2 | (Marshal.SizeOf(typeof(NvGpuThermalLimit))));
var r = NvapiNativeMethods.NvThermalPoliciesSetLimit(handle, ref info);
if (r != NvStatus.NVAPI_OK)
{
Write.DevError($"{nameof(NvapiNativeMethods.NvThermalPoliciesSetLimit)} {r.ToString()}");
}
if (r == NvStatus.NVAPI_OK)
{
return(true);
}
}
catch {
}
return(false);
}
private static bool GetTempLimit(int busId, out int outCurrTemp, out int outMinTemp, out int outDefTemp, out int outMaxTemp)
{
outCurrTemp = 0;
outMinTemp = 0;
outDefTemp = 0;
outMaxTemp = 0;
try {
var r = GetThermalInfo(busId, out outMinTemp, out outDefTemp, out outMaxTemp);
NvGpuThermalLimit limit = NvThermalPoliciesGetLimit(busId);
outCurrTemp = (int)(limit.entries[0].value / 256);
return(r);
}
catch {
return(false);
}
}
private bool NvThermalPoliciesSetLimit(int busId, ref NvGpuThermalLimit info)
{
if (NvapiNativeMethods.NvThermalPoliciesSetLimit == null)
{
return(false);
}
try {
info.version = (uint)(VERSION2 | (Marshal.SizeOf(typeof(NvGpuThermalLimit))));
var r = NvapiNativeMethods.NvThermalPoliciesSetLimit(HandlesByBusId[busId], ref info);
if (r != NvStatus.OK)
{
Write.DevError($"{nameof(NvapiNativeMethods.NvThermalPoliciesSetLimit)} {r}");
}
if (r == NvStatus.OK)
{
return(true);
}
}
catch {
}
return(false);
}
