SWDEV-309286 - save the max system mem size in device info

Change-Id: I9955625aca6ceda059aef6354d909de636b610ba

rocclr/device/device.hpp

@@ -309,6 +309,9 @@ struct Info : public amd::EmbeddedObject {
   //! Max size of memory object allocation in bytes.
   uint64_t maxMemAllocSize_;
 
+  //! Max size of system memory allocation in bytes.
+  size_t maxPhysicalMemAllocSize_;
+
   //! Max width of 2D image in pixels.
   size_t image2DMaxWidth_;
 

rocclr/device/pal/paldevice.cpp

@@ -424,6 +424,9 @@ void NullDevice::fillDeviceInfo(const Pal::DeviceProperties& palProp,
   // reduced by default
   info_.maxMemAllocSize_ = std::min(info_.maxMemAllocSize_, info_.globalMemSize_);
 
+  // Maximum system memory allocation size allowed
+  info_.maxPhysicalMemAllocSize_ = amd::Os::getPhysicalMemSize();
+
   // We need to verify that we are not reporting more global memory
   // that 4x single alloc
   info_.globalMemSize_ = std::min(4 * info_.maxMemAllocSize_, info_.globalMemSize_);

rocclr/device/rocm/rocdevice.cpp

@@ -1227,6 +1227,9 @@ bool Device::populateOCLDeviceConstants() {
   info_.maxMemAllocSize_ = std::min(info_.maxMemAllocSize_, info_.globalMemSize_);
   info_.maxMemAllocSize_ = amd::alignDown(info_.maxMemAllocSize_, sizeof(uint64_t));
 
+  // Maximum system memory allocation size allowed
+  info_.maxPhysicalMemAllocSize_ = amd::Os::getPhysicalMemSize();
+
   // make sure we don't run anything over 8 params for now
   info_.maxParameterSize_ = 1024;