lib: first draft of memory manager

fpga/include/villas/memory_manager.hpp

@@ -0,0 +1,47 @@
+#pragma once
+
+#include <cstdint>
+
+#include "log.hpp"
+#include "directed_graph.hpp"
+
+namespace villas {
+
+
+class Mapping : public graph::Edge {
+public:
+    // create mapping here (if needed)
+    Mapping() {}
+
+    // destroy mapping here (if needed)
+    ~Mapping() {}
+
+private:
+    uintptr_t src;
+    uintptr_t dest;
+    size_t size;
+};
+
+class AddressSpace : public graph::Vertex {
+private:
+    // do we need any metadata? maybe a name?
+    int id;
+};
+
+
+// is or has a graph
+class MemoryManager {
+
+// This is a singleton
+private:
+    MemoryManager() = default;
+    static MemoryManager* instance;
+public:
+    static MemoryManager& get();
+
+
+private:
+//    std::list<>
+};
+
+} // namespace villas

fpga/lib/CMakeLists.txt

@@ -25,6 +25,7 @@ set(SOURCES
 	kernel/pci.c
 	kernel/vfio.c
 
+	memory_manager.cpp
 	plugin.c
 	plugin.cpp
 	utils.c

fpga/lib/memory_manager.cpp

@@ -0,0 +1,19 @@
+#include "memory_manager.hpp"
+
+namespace villas {
+
+MemoryManager*
+MemoryManager::instance = nullptr;
+
+MemoryManager&
+MemoryManager::get()
+{
+	if(instance == nullptr) {
+		instance = new MemoryManager;
+	}
+
+	return *instance;
+}
+
+
+} // namespace villas