Add versioned persistent configuration protocol

configuration_service.h

@@ -0,0 +1,37 @@
+#pragma once
+
+#include <stddef.h>
+#include <stdint.h>
+
+#include "adapter_configuration.h"
+#include "configuration_transaction.h"
+
+enum class ConfigurationServiceState : uint8_t {
+    kLoading = 0,
+    kReady = 1,
+    kStorageError = 2,
+};
+
+struct ConfigurationServiceSnapshot {
+    ConfigurationServiceState state = ConfigurationServiceState::kLoading;
+    AdapterConfiguration configuration{};
+    uint32_t generation = 0;
+    uint32_t payload_crc = 0;
+    ConfigurationTransactionSnapshot transaction{};
+};
+
+void configuration_service_prepare();
+void configuration_service_initialize_on_storage_core();
+void configuration_service_task_on_storage_core(uint32_t now_ms);
+
+ConfigurationTransactionStatus configuration_service_begin(
+    uint32_t transaction_id, uint16_t schema_version, size_t payload_size,
+    uint32_t payload_crc);
+ConfigurationTransactionStatus configuration_service_append(
+    uint32_t transaction_id, size_t offset, const uint8_t* data,
+    size_t size);
+ConfigurationTransactionStatus configuration_service_commit(
+    uint32_t transaction_id);
+ConfigurationTransactionStatus configuration_service_reset(
+    uint32_t transaction_id);
+void configuration_service_snapshot(ConfigurationServiceSnapshot* output);