diff --git a/include/services/sp_res_desc.h b/include/services/sp_res_desc.h
new file mode 100644
index 0000000000000000000000000000000000000000..dc0022128ce10f47dfd3863282d01a47c8dc9a54
--- /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 0000000000000000000000000000000000000000..68df297a883e4ac9c5a84add4ffeba30a3a1627a
--- /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 */