SWDEV-292714 - Add unique id for each allocation to support HIP_POINTER_ATTRIBUTE_BUFFER_ID

Change-Id: Ibb3fcb2d0bbbef03525fc884d5b3e9b5f6c11423


[ROCm/clr commit: c56317b2e0]

projects/clr/rocclr/platform/memory.cpp

@@ -28,6 +28,9 @@
 
 #include <atomic>
 
+// Stores the no. of memory allocations
+std::atomic<uint32_t> numAllocs = 0;
+
 namespace amd {
 
 bool BufferRect::create(const size_t* bufferOrigin, const size_t* region, size_t bufferRowPitch,
@@ -309,6 +312,8 @@ bool Memory::create(void* initFrom, bool sysMemAlloc, bool skipAlloc, bool force
     }
   }
 
+  // Store the unique id for each memory allocation
+  uniqueId_ = ++numAllocs;
   return true;
 }
 

projects/clr/rocclr/platform/memory.hpp

@@ -188,7 +188,8 @@ class Memory : public amd::RuntimeObject {
     };
     uint32_t flagsEx_;
   };
-
+  //! unique buffer id for each memory allocation
+  uint32_t uniqueId_ = 0;
   //! used to save the user data during memory allocation.
   UserData userData_;
 
@@ -366,7 +367,7 @@ class Memory : public amd::RuntimeObject {
   device::Memory* BaseP2PMemory() const { return deviceMemories_[0].value_; }
   device::Memory* svmBase() const { return svmBase_; }  //!< Returns SVM base for MGPU case
 
-
+  uint32_t getUniqueId() { return uniqueId_; }
   //!save the user data during memory allocation
   UserData& getUserData() { return userData_; }