diff --git a/include/lib/extensions/ras.h b/include/lib/extensions/ras.h
new file mode 100644
index 0000000..c1ce19f
--- /dev/null
+++ b/include/lib/extensions/ras.h
@@ -0,0 +1,168 @@
+/*
+ * Copyright (c) 2018, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef __RAS_COMMON__
+#define __RAS_COMMON__
+
+#define ERR_HANDLER_VERSION	1
+
+/* Error record access mechanism */
+#define ERR_ACCESS_SYSREG	0
+#define ERR_ACCESS_MEMMAP	1
+
+/*
+ * Register all error records on the platform.
+ *
+ * This macro must be used in the same file as the array of error record info
+ * are declared. Only then would ARRAY_SIZE() yield a meaningful value.
+ */
+#define REGISTER_ERR_RECORD_INFO(_records) \
+	const struct err_record_mapping err_record_mapping = { \
+		.err_records = _records, \
+		.num_err_records = ARRAY_SIZE(_records), \
+	}
+
+/* Error record info iterator */
+#define for_each_err_record_info(_i, _info) \
+	for (_i = 0, _info = err_record_mapping.err_records; \
+		_i < err_record_mapping.num_err_records; \
+		_i++, _info++)
+
+#define _ERR_RECORD_COMMON(_probe, _handler, _aux) \
+	.probe = _probe, \
+	.handler = _handler, \
+	.aux_data = _aux,
+
+#define ERR_RECORD_SYSREG_V1(_idx_start, _num_idx, _probe, _handler, _aux) \
+	{ \
+		.version = 1, \
+		.sysreg.idx_start = _idx_start, \
+		.sysreg.num_idx = _num_idx, \
+		.access = ERR_ACCESS_SYSREG, \
+		_ERR_RECORD_COMMON(_probe, _handler, _aux) \
+	}
+
+#define ERR_RECORD_MEMMAP_V1(_base_addr, _size_num_k, _probe, _handler, _aux) \
+	{ \
+		.version = 1, \
+		.memmap.base_addr = _base_addr, \
+		.memmap.size_num_k = _size_num_k, \
+		.access = ERR_ACCESS_MEMMAP, \
+		_ERR_RECORD_COMMON(_probe, _handler, _aux) \
+	}
+
+#ifndef __ASSEMBLY__
+
+#include <assert.h>
+#include <ras_arch.h>
+
+struct err_record_info;
+
+/* Function to probe a error record group for error */
+typedef int (*err_record_probe_t)(const struct err_record_info *info,
+		int *probe_data);
+
+/* Data passed to error record group handler */
+struct err_handler_data {
+	/* Info passed on from top-level exception handler */
+	uint64_t flags;
+	void *cookie;
+	void *handle;
+
+	/* Data structure version */
+	unsigned int version;
+
+	/* Reason for EA: one the ERROR_* constants */
+	unsigned int ea_reason;
+
+	/*
+	 * For EAs received at vector, the value read from ESR; for an EA
+	 * synchronized by ESB, the value of DISR.
+	 */
+	uint32_t syndrome;
+};
+
+/* Function to handle error from an error record group */
+typedef int (*err_record_handler_t)(const struct err_record_info *info,
+		int probe_data, const struct err_handler_data *const data);
+
+/* Error record information */
+struct err_record_info {
+	/* Function to probe error record group for errors */
+	err_record_probe_t probe;
+
+	/* Function to handle error record group errors */
+	err_record_handler_t handler;
+
+	/* Opaque group-specific data */
+	void *aux_data;
+
+	/* Additional information for Standard Error Records */
+	union {
+		struct {
+			/*
+			 * For a group accessed via. memory-mapped register,
+			 * base address of the page hosting error records, and
+			 * the size of the record group.
+			 */
+			uintptr_t base_addr;
+
+			/* Size of group in number of KBs */
+			unsigned int size_num_k;
+		} memmap;
+
+		struct {
+			/*
+			 * For error records accessed via. system register, index of
+			 * the error record.
+			 */
+			unsigned int idx_start;
+			unsigned int num_idx;
+		} sysreg;
+	};
+
+	/* Data structure version */
+	unsigned int version;
+
+	/* Error record access mechanism */
+	unsigned int access:1;
+};
+
+struct err_record_mapping {
+	struct err_record_info *err_records;
+	size_t num_err_records;
+};
+
+extern const struct err_record_mapping err_record_mapping;
+
+
+/*
+ * Helper functions to probe memory-mapped and system registers implemented in
+ * Standard Error Record format
+ */
+static inline int ras_err_ser_probe_memmap(const struct err_record_info *info,
+		int *probe_data)
+{
+	assert(info->version == ERR_HANDLER_VERSION);
+
+	return ser_probe_memmap(info->memmap.base_addr, info->memmap.size_num_k,
+		probe_data);
+}
+
+static inline int ras_err_ser_probe_sysreg(const struct err_record_info *info,
+		int *probe_data)
+{
+	assert(info->version == ERR_HANDLER_VERSION);
+
+	return ser_probe_sysreg(info->sysreg.idx_start, info->sysreg.num_idx,
+			probe_data);
+}
+
+int ras_ea_handler(unsigned int ea_reason, uint64_t syndrome, void *cookie,
+		void *handle, uint64_t flags);
+
+#endif /* __ASSEMBLY__ */
+#endif /* __RAS_COMMON__ */