diff --git a/include/bl31/interrupt_mgmt.h b/include/bl31/interrupt_mgmt.h
new file mode 100644
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--- /dev/null
+++ b/include/bl31/interrupt_mgmt.h
@@ -0,0 +1,128 @@
+/*
+ * Copyright (c) 2014, ARM Limited and Contributors. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * Neither the name of ARM nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific
+ * prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef __INTERRUPT_MGMT_H__
+#define __INTERRUPT_MGMT_H__
+
+#include <arch.h>
+
+/*******************************************************************************
+ * Constants for the types of interrupts recognised by the IM framework
+ ******************************************************************************/
+#define INTR_TYPE_S_EL1			0
+#define INTR_TYPE_EL3			1
+#define INTR_TYPE_NS			2
+#define MAX_INTR_TYPES			3
+#define INTR_TYPE_INVAL			MAX_INTR_TYPES
+/*
+ * Constant passed to the interrupt handler in the 'id' field when the
+ * framework does not read the gic registers to determine the interrupt id.
+ */
+#define INTR_ID_UNAVAILABLE		0xFFFFFFFF
+
+
+/*******************************************************************************
+ * Mask for _both_ the routing model bits in the 'flags' parameter and
+ * constants to define the valid routing models for each supported interrupt
+ * type
+ ******************************************************************************/
+#define INTR_RM_FLAGS_SHIFT		0x0
+#define INTR_RM_FLAGS_MASK		0x3
+/* Routed to EL3 from NS. Taken to S-EL1 from Secure */
+#define INTR_SEL1_VALID_RM0		0x2
+/* Routed to EL3 from NS and Secure */
+#define INTR_SEL1_VALID_RM1		0x3
+/* Routed to EL1/EL2 from NS and to S-EL1 from Secure */
+#define INTR_NS_VALID_RM0		0x0
+/* Routed to EL1/EL2 from NS and to EL3 from Secure */
+#define INTR_NS_VALID_RM1		0x1
+
+
+/*******************************************************************************
+ * Constants for the _individual_ routing model bits in the 'flags' field for
+ * each interrupt type and mask to validate the 'flags' parameter while
+ * registering an interrupt handler
+ ******************************************************************************/
+#define INTR_TYPE_FLAGS_MASK		0xFFFFFFFC
+
+#define INTR_RM_FROM_SEC_SHIFT		SECURE		/* BIT[0] */
+#define INTR_RM_FROM_NS_SHIFT		NON_SECURE	/* BIT[1] */
+#define INTR_RM_FROM_FLAG_MASK		1
+#define get_interrupt_rm_flag(flag, ss)	(((flag >> INTR_RM_FLAGS_SHIFT) >> ss) \
+					 & INTR_RM_FROM_FLAG_MASK)
+#define set_interrupt_rm_flag(flag, ss)	(flag |= 1 << ss)
+#define clr_interrupt_rm_flag(flag, ss)	(flag &= ~(1 << ss))
+
+
+/*******************************************************************************
+ * Macros to validate the routing model bits in the 'flags' for a type
+ * of interrupt. If the model does not match one of the valid masks
+ * -EINVAL is returned.
+ ******************************************************************************/
+#define validate_sel1_interrupt_rm(x)	(x == INTR_SEL1_VALID_RM0 ? 0 : \
+					 (x == INTR_SEL1_VALID_RM1 ? 0 :\
+					  -EINVAL))
+
+#define validate_ns_interrupt_rm(x)	(x == INTR_NS_VALID_RM0 ? 0 : \
+					 (x == INTR_NS_VALID_RM1 ? 0 :\
+					  -EINVAL))
+
+/*******************************************************************************
+ * Macros to set the 'flags' parameter passed to an interrupt type handler. Only
+ * the flag to indicate the security state when the exception was generated is
+ * supported.
+ ******************************************************************************/
+#define INTR_SRC_SS_FLAG_SHIFT		0		/* BIT[0] */
+#define INTR_SRC_SS_FLAG_MASK		1
+#define set_interrupt_src_ss(flag, val)	(flag |= val << INTR_SRC_SS_FLAG_SHIFT)
+#define clr_interrupt_src_ss(flag)	(flag &= ~(1 << INTR_SRC_SS_FLAG_SHIFT))
+#define get_interrupt_src_ss(flag)	((flag >> INTR_SRC_SS_FLAG_SHIFT) & \
+					 INTR_SRC_SS_FLAG_MASK)
+
+#ifndef __ASSEMBLY__
+
+/* Prototype for defining a handler for an interrupt type */
+typedef uint64_t (*interrupt_type_handler_t)(uint32_t id,
+					     uint32_t flags,
+					     void *handle,
+					     void *cookie);
+
+/*******************************************************************************
+ * Function & variable prototypes
+ ******************************************************************************/
+extern uint32_t get_scr_el3_from_routing_model(uint32_t security_state);
+extern int32_t set_routing_model(uint32_t type, uint32_t flags);
+extern int32_t register_interrupt_type_handler(uint32_t type,
+					       interrupt_type_handler_t handler,
+					       uint32_t flags);
+extern interrupt_type_handler_t get_interrupt_type_handler(uint32_t interrupt_type);
+
+#endif /*__ASSEMBLY__*/
+#endif /* __INTERRUPT_MGMT_H__ */