SWDEV-335626 - Use ROCr copy for IPC

Detect IPC buffer and use ROCr copy api instead of blit

Change-Id: Ie6bdd6fc45dbd7457611011d81570b53d5fd5276

rocclr/device/rocm/rocblit.cpp

@@ -2186,6 +2186,7 @@ bool KernelBlitManager::copyBuffer(device::Memory& srcMemory, device::Memory& ds
   bool p2p = (&gpuMem(srcMemory).dev() != &gpuMem(dstMemory).dev()) &&
              ((sizeIn[0] > ROC_P2P_SDMA_SIZE * Ki) || !gpu().IsPendingDispatch());
   bool asan = false;
+  bool ipcShared = srcMemory.owner()->ipcShared() || dstMemory.owner()->ipcShared();
 #if defined(__clang__)
 #if __has_feature(address_sanitizer)
   asan = true;
@@ -2193,7 +2194,7 @@ bool KernelBlitManager::copyBuffer(device::Memory& srcMemory, device::Memory& ds
 #endif
   if (setup_.disableHwlCopyBuffer_ ||
       (!srcMemory.isHostMemDirectAccess() && !dstMemory.isHostMemDirectAccess() &&
-       !(p2p || asan))) {
+       !(p2p || asan) && !ipcShared)) {
     uint blitType = BlitCopyBuffer;
     size_t dim = 1;
     size_t globalWorkOffset[3] = {0, 0, 0};

rocclr/device/rocm/rocdevice.cpp

@@ -2184,7 +2184,7 @@ bool Device::IpcAttach(const void* handle, size_t mem_size, size_t mem_offset,
       amd_mem_obj->release();
       return false;
     }
-
+    amd_mem_obj->setIpcShared(true);
     // Add the original mem_ptr to the MemObjMap with newly created amd_mem_obj
     amd::MemObjMap::AddMemObj(orig_dev_ptr, amd_mem_obj);
 

rocclr/platform/memory.hpp

@@ -197,6 +197,7 @@ class Memory : public amd::RuntimeObject {
       uint32_t svmPtrCommited_ : 1;    //!< svm host address committed flag
       uint32_t canBeCached_ : 1;       //!< flag to if the object can be cached
       uint32_t p2pAccess_ : 1;         //!< Memory object allows P2P access
+      uint32_t ipcShared_ : 1;         //!< Memory shared between processes
     };
     uint32_t flagsEx_;
   };
@@ -378,6 +379,13 @@ class Memory : public amd::RuntimeObject {
   //! Check if this objects allows P2P access
   bool P2PAccess() const { return p2pAccess_; }
 
+  // Set ipcShared status
+  void setIpcShared(bool ipcShared) {
+    ipcShared_ = ipcShared;
+  }
+  //! Check if this object allows IPC
+  bool ipcShared() const { return ipcShared_; }
+
   //! Returns the base device memory object for possible P2P access
   device::Memory* BaseP2PMemory() const { return deviceMemories_[0].value_; }
   device::Memory* svmBase() const { return svmBase_; }  //!< Returns SVM base for MGPU case