diff --git a/src/buffer.cpp b/src/buffer.cpp
new file mode 100644
index 0000000..a0491eb
--- /dev/null
+++ b/src/buffer.cpp
@@ -0,0 +1,55 @@
+#include "buffer.hpp"
+
+#include "pci_handler.hpp"
+
+#include <fmt/format.h>
+
+#include <array>
+#include <cstdint>
+#include <memory>
+#include <span>
+#include <vector>
+
+namespace bios_bmc_smm_error_logger
+{
+
+BufferImpl::BufferImpl(std::unique_ptr<DataInterface> dataInterface) :
+    dataInterface(std::move(dataInterface)){};
+
+void BufferImpl::initialize(uint32_t bmcInterfaceVersion, uint16_t queueSize,
+                            uint16_t ueRegionSize,
+                            const std::array<uint32_t, 4>& magicNumber)
+{
+    // Initialize the whole buffer with 0x00
+    const size_t memoryRegionSize = dataInterface->getMemoryRegionSize();
+    const std::vector<uint8_t> emptyVector(memoryRegionSize, 0);
+    size_t byteWritten = dataInterface->write(0, emptyVector);
+    if (byteWritten != memoryRegionSize)
+    {
+        throw std::runtime_error(
+            fmt::format("Buffer initialization only erased '{}'", byteWritten));
+    }
+
+    // Create an initial buffer header and write to it
+    struct CircularBufferHeader initializationHeader = {};
+    initializationHeader.bmcInterfaceVersion = bmcInterfaceVersion;
+    initializationHeader.queueSize = queueSize;
+    initializationHeader.ueRegionSize = ueRegionSize;
+    initializationHeader.magicNumber = magicNumber;
+
+    uint8_t* initializationHeaderPtr =
+        reinterpret_cast<uint8_t*>(&initializationHeader);
+    size_t initializationHeaderSize = sizeof(initializationHeader);
+    byteWritten = dataInterface->write(
+        0, std::span<const uint8_t>(initializationHeaderPtr,
+                                    initializationHeaderPtr +
+                                        initializationHeaderSize));
+    if (byteWritten != initializationHeaderSize)
+    {
+        throw std::runtime_error(fmt::format(
+            "Buffer initialization buffer header write only wrote '{}'",
+            byteWritten));
+    }
+}
+
+} // namespace bios_bmc_smm_error_logger
diff --git a/src/meson.build b/src/meson.build
index c7f76bd..fd0ead4 100644
--- a/src/meson.build
+++ b/src/meson.build
@@ -24,6 +24,7 @@
 bios_bmc_smm_error_logger_lib = static_library(
   'bios_bmc_smm_error_logger',
   'pci_handler.cpp',
+  'buffer.cpp',
   implicit_include_directories: false,
   dependencies: bios_bmc_smm_error_logger_pre)