diff --git a/include/services/sp_res_desc.h b/include/services/sp_res_desc.h
new file mode 100644
index 0000000..dc00221
--- /dev/null
+++ b/include/services/sp_res_desc.h
@@ -0,0 +1,252 @@
+/*
+ * Copyright (c) 2018, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef SPM_RES_DESC_H
+#define SPM_RES_DESC_H
+
+#include <stdint.h>
+#include <sp_res_desc_def.h>
+
+/*******************************************************************************
+ * Attribute Section
+ ******************************************************************************/
+
+struct sp_rd_sect_attribute {
+	/*
+	 * Version of the resource description.
+	 */
+	uint16_t version;
+
+	/*
+	 * Type of the Secure Partition:
+	 * - bit[0]: SP Type
+	 *   - b'0: UP SP
+	 *   - b'1: MP SP
+	 * If UP SP:
+	 * - bit[1]: Type of UP SP
+	 *   - b'0: Migratable UP SP
+	 *   - b'1: Pinned UP SP
+	 */
+	uint16_t sp_type;
+
+	/*
+	 * If this is a Pinned UP SP, PE on which the Pinned UP SP will run.
+	 */
+	uint32_t pe_mpidr;
+
+	/*
+	 * Run-Time Exception Level:
+	 * - 0: SEL0 SP
+	 * - 1: SEL1 SP
+	 */
+	uint8_t runtime_el;
+
+	/*
+	 * Type of Execution:
+	 * - 0: Init-time only
+	 * - 1: Run-time Execution
+	 */
+	uint8_t exec_type;
+
+	/*
+	 * Expected behavior upon failure:
+	 * - 0: Restartable
+	 * - 1: One-Shot
+	 */
+	uint8_t panic_policy;
+
+	/*
+	 * Translation Granule to use in the SP translation regime:
+	 * - 0: 4KB
+	 * - 1: 16KB
+	 * - 2: 64KB
+	 */
+	uint8_t xlat_granule;
+
+	/*
+	 * Size of the SP binary in bytes.
+	 */
+	uint32_t binary_size;
+
+	/*
+	 * - If SP is NOT PIE:
+	 *   - VA Address where the SP expects to be loaded.
+	 * - If SP is PIE:
+	 *   - Ignored.
+	 */
+	uint64_t load_address;
+
+	/*
+	 * Initial execution address. This is a VA as the SP sees it.
+	 */
+	uint64_t entrypoint;
+};
+
+/*******************************************************************************
+ * Memory Region Section
+ ******************************************************************************/
+
+struct sp_rd_sect_mem_region {
+	/*
+	 * Name of a Memory region, including null terminator. Reserved names:
+	 * - "Client Shared Memory Region":
+	 *   Memory region where memory shared by clients shall be mapped.
+	 * - "Queue Memory Region":
+	 *   Memory region shared with SPM for SP queue management.
+	 */
+	char name[RD_MEM_REGION_NAME_LEN];
+
+	/*
+	 * Memory Attributes:
+	 * - bits[3:0]: Type of memory
+	 *   - 0: Device
+	 *   - 1: Code
+	 *   - 2: Data
+	 *   - 3: BSS
+	 *   - 4: Read-only Data
+	 *   - 5: SPM-to-SP Shared Memory Region
+	 *   - 6: Client Shared Memory Region
+	 *   - 7: Miscellaneous
+	 * - If memory is { SPM-to-SP shared Memory, Client Shared Memory,
+	 *   Miscellaneous }
+	 *   - bits[4]: Position Independent
+	 *     - b'0: Position Dependent
+	 *     - b'1: Position Independent
+	 */
+	uint32_t attr;
+
+	/*
+	 * Base address of the memory region.
+	 */
+	uint64_t base;
+
+	/*
+	 * Size of the memory region.
+	 */
+	uint64_t size;
+
+	/*
+	 * Pointer to next memory region (or NULL if this is the last one).
+	 */
+	struct sp_rd_sect_mem_region *next;
+};
+
+/*******************************************************************************
+ * Notification Section
+ ******************************************************************************/
+
+struct sp_rd_sect_notification {
+	/*
+	 * Notification attributes:
+	 * - bit[31]: Notification Type
+	 *   - b'0: Platform Notification
+	 *   - b'1: Interrupt
+	 * If Notification Type == Platform Notification
+	 * - bits[15:0]: Implementation-defined Notification ID
+	 * If Notification Type == Interrupt
+	 * - bits[15:0]: IRQ number
+	 * - bits[23:16]: Interrupt Priority
+	 * - bit[24]: Trigger Type
+	 *   - b'0: Edge Triggered
+	 *   - b'1: Level Triggered
+	 * - bit[25]: Trigger Level
+	 *   - b'0: Falling or Low
+	 *   - b'1: Rising or High
+	 */
+	uint32_t attr;
+
+	/*
+	 * Processing Element.
+	 * If Notification Type == Interrupt && IRQ number is { SGI, LPI }
+	 * - PE ID to which IRQ will be forwarded
+	 */
+	uint32_t pe;
+
+	/*
+	 * Pointer to next notification (or NULL if this is the last one).
+	 */
+	struct sp_rd_sect_notification *next;
+};
+
+/*******************************************************************************
+ * Service Description Section
+ ******************************************************************************/
+
+struct sp_rd_sect_service {
+	/*
+	 * Service identifier.
+	 */
+	uint32_t uuid[4];
+
+	/*
+	 * Accessibility Options:
+	 * - bit[0]: Accessibility by secure-world clients
+	 *   - b'0: Not Accessible
+	 *   - b'1: Accessible
+	 * - bit[1]: Accessible by EL3
+	 *   - b'0: Not Accessible
+	 *   - b'1: Accessible
+	 * - bit[2]: Accessible by normal-world clients
+	 *   - b'0: Not Accessible
+	 *   - b'1: Accessible
+	 */
+	uint8_t accessibility;
+
+	/*
+	 * Request type supported:
+	 * - bit[0]: Blocking request
+	 *   - b'0: Not Enable
+	 *   - b'1: Enable
+	 * - bit[1]: Non-blocking request
+	 *   - b'0: Not Enable
+	 *   - b'1: Enable
+	 */
+	uint8_t request_type;
+
+	/*
+	 * Maximum number of client connections that the service can support.
+	 */
+	uint16_t connection_quota;
+
+	/*
+	 * If the service requires secure world memory to be shared with its
+	 * clients:
+	 * - Maximum amount of secure world memory in bytes to reserve from the
+	 *   secure world memory pool for the service.
+	 */
+	uint32_t secure_mem_size;
+
+	/*
+	 * Interrupt number used to notify the SP for the service.
+	 * - Should also be enabled in the Notification Section.
+	 */
+	uint32_t interrupt_num;
+
+	/*
+	 * Pointer to next service (or NULL if this is the last one).
+	 */
+	struct sp_rd_sect_service *next;
+};
+
+/*******************************************************************************
+ * Complete resource description struct
+ ******************************************************************************/
+
+struct sp_res_desc {
+
+	/* Attribute Section */
+	struct sp_rd_sect_attribute attribute;
+
+	/* System Resource Section */
+	struct sp_rd_sect_mem_region *mem_region;
+
+	struct sp_rd_sect_notification *notification;
+
+	/* Service Section */
+	struct sp_rd_sect_service *service;
+};
+
+#endif /* SPM_RES_DESC_H */
diff --git a/include/services/sp_res_desc_def.h b/include/services/sp_res_desc_def.h
new file mode 100644
index 0000000..68df297
--- /dev/null
+++ b/include/services/sp_res_desc_def.h
@@ -0,0 +1,94 @@
+/*
+ * Copyright (c) 2018, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef SPM_RES_DESC_DEFS_H
+#define SPM_RES_DESC_DEFS_H
+
+#include <utils_def.h>
+
+/*******************************************************************************
+ * Attribute Section
+ ******************************************************************************/
+
+#define RD_ATTR_TYPE_UP_MIGRATABLE	U(0)
+#define RD_ATTR_TYPE_UP_PINNED		U(2)
+#define RD_ATTR_TYPE_MP			U(1)
+
+#define RD_ATTR_RUNTIME_SEL0		U(0)
+#define RD_ATTR_RUNTIME_SEL1		U(1)
+
+#define RD_ATTR_INIT_ONLY		U(0)
+#define RD_ATTR_RUNTIME			U(1)
+
+#define RD_ATTR_PANIC_RESTART		U(0)
+#define RD_ATTR_PANIC_ONESHOT		U(1)
+
+#define RD_ATTR_XLAT_GRANULE_4KB	U(0)
+#define RD_ATTR_XLAT_GRANULE_16KB	U(1)
+#define RD_ATTR_XLAT_GRANULE_64KB	U(2)
+
+/*******************************************************************************
+ * Memory Region Section
+ ******************************************************************************/
+
+#define RD_MEM_REGION_NAME_LEN		U(32)
+
+#define RD_MEM_DEVICE			U(0)
+#define RD_MEM_NORMAL_CODE		U(1)
+#define RD_MEM_NORMAL_DATA		U(2)
+#define RD_MEM_NORMAL_BSS		U(3)
+#define RD_MEM_NORMAL_RODATA		U(4)
+#define RD_MEM_NORMAL_SPM_SP_SHARED_MEM	U(5)
+#define RD_MEM_NORMAL_CLIENT_SHARED_MEM	U(6)
+#define RD_MEM_NORMAL_MISCELLANEOUS	U(7)
+
+#define RD_MEM_MASK			U(15)
+
+#define RD_MEM_IS_PIE			(U(1) << 4)
+
+/*******************************************************************************
+ * Notification Section
+ ******************************************************************************/
+
+#define RD_NOTIF_TYPE_PLATFORM		(U(0) << 31)
+#define RD_NOTIF_TYPE_INTERRUPT		(U(1) << 31)
+
+#define RD_NOTIF_PLAT_ID_MASK		U(0xFFFF)
+#define RD_NOTIF_PLAT_ID_SHIFT		U(0)
+
+#define RD_NOTIF_PLATFORM(id)						\
+	(RD_NOTIF_TYPE_PLATFORM						\
+	| (((id) & RD_NOTIF_PLAT_ID_MASK) << RD_NOTIF_PLAT_ID_SHIFT))
+
+#define RD_NOTIF_IRQ_NUM_MASK		U(0xFFFF)
+#define RD_NOTIF_IRQ_NUM_SHIFT		U(0)
+#define RD_NOTIF_IRQ_PRIO_MASK		U(0xFF)
+#define RD_NOTIF_IRQ_PRIO_SHIFT		U(16)
+
+#define RD_NOTIF_IRQ_EDGE_FALLING	U(0)
+#define RD_NOTIF_IRQ_EDGE_RISING	U(2)
+#define RD_NOTIF_IRQ_LEVEL_LOW		U(1)
+#define RD_NOTIF_IRQ_LEVEL_HIGH		U(3)
+#define RD_NOTIF_IRQ_TRIGGER_SHIFT	U(24)
+
+#define RD_NOTIF_IRQ(num, prio, trig)					\
+	(RD_NOTIF_TYPE_IRQ						\
+	| (((num) & RD_NOTIF_IRQ_NUM_MASK) << RD_NOTIF_IRQ_NUM_SHIFT)	\
+	| (((prio) & RD_NOTIF_IRQ_PRIO_MASK) << RD_NOTIF_IRQ_PRIO_SHIFT) \
+	| (((trig) << RD_NOTIF_IRQ_TRIGGER_SHIFT)))
+
+/*******************************************************************************
+ * Service Description Section
+ ******************************************************************************/
+
+#define RD_SERV_ACCESS_SECURE		(U(1) << 0)
+#define RD_SERV_ACCESS_EL3		(U(1) << 1)
+#define RD_SERV_ACCESS_NORMAL		(U(1) << 2)
+
+#define RD_SERV_SUPPORT_BLOCKING	(U(1) << 0)
+#define RD_SERV_SUPPORT_NON_BLOCKING	(U(1) << 0)
+
+#endif /* SPM_RES_DESC_DEFS_H */