SWDEV-333557 - 1.Add support for IPC memory to enable hipIpcGetMemHandle() and hipIpcOpenMemHandle() in PAL path. Set interprocess flag for device allocations in HIP PAL. 2.Fix PAL IPC path with ResourceCache and SubAllocation 3.Minor fixes for IpcBuffer constructor and IpcAttach 4.Remove redundant checks that may go wrong

Change-Id: Ie9d99847c7c2c7b3b2aaefaaf60d23bf71b68635

rocclr/platform/memory.cpp

@@ -94,6 +94,7 @@ Memory::Memory(Context& context, Type type, Flags flags, size_t size, void* svmP
       vDev_(NULL),
       mapCount_(0),
       svmHostAddress_(svmPtr),
+      resOffset_(0),
       flagsEx_(0),
       lockMemoryOps_("Memory Ops Lock", true) {
   svmPtrCommited_ = (flags & CL_MEM_SVM_FINE_GRAIN_BUFFER) ? true : false;
@@ -117,6 +118,7 @@ Memory::Memory(Memory& parent, Flags flags, size_t origin, size_t size, Type typ
       vDev_(NULL),
       mapCount_(0),
       svmHostAddress_(parent.getSvmPtr()),
+      resOffset_(0),
       flagsEx_(0),
       lockMemoryOps_("Memory Ops Lock", true) {
   svmPtrCommited_ = parent.isSvmPtrCommited();