include/services/ffa_svc.h - TF-A/trusted-firmware-a - Gitiles

 /*
  * Copyright (c) 2020-2021, Arm Limited. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */

 #ifndef FFA_SVC_H
 #define FFA_SVC_H

 #include <lib/smccc.h>
 #include <lib/utils_def.h>
 #include <tools_share/uuid.h>

 /* FFA error codes. */
 #define FFA_ERROR_NOT_SUPPORTED		-1
 #define FFA_ERROR_INVALID_PARAMETER	-2
 #define FFA_ERROR_NO_MEMORY		-3
 #define FFA_ERROR_BUSY			-4
 #define FFA_ERROR_INTERRUPTED		-5
 #define FFA_ERROR_DENIED		-6
 #define FFA_ERROR_RETRY			-7

 /* The macros below are used to identify FFA calls from the SMC function ID */
 #define FFA_FNUM_MIN_VALUE	U(0x60)
 #define FFA_FNUM_MAX_VALUE	U(0x87)
 #define is_ffa_fid(fid) __extension__ ({		\
 	__typeof__(fid) _fid = (fid);			\
 	((GET_SMC_NUM(_fid) >= FFA_FNUM_MIN_VALUE) &&	\
 	 (GET_SMC_NUM(_fid) <= FFA_FNUM_MAX_VALUE)); })

 /* FFA_VERSION helpers */
 #define FFA_VERSION_MAJOR		U(1)
 #define FFA_VERSION_MAJOR_SHIFT		16
 #define FFA_VERSION_MAJOR_MASK		U(0x7FFF)
 #define FFA_VERSION_MINOR		U(1)
 #define FFA_VERSION_MINOR_SHIFT		0
 #define FFA_VERSION_MINOR_MASK		U(0xFFFF)
 #define FFA_VERSION_BIT31_MASK 		U(0x1u << 31)


 #define MAKE_FFA_VERSION(major, minor) 	\
 	((((major) & FFA_VERSION_MAJOR_MASK) <<  FFA_VERSION_MAJOR_SHIFT) | \
 	 (((minor) & FFA_VERSION_MINOR_MASK) << FFA_VERSION_MINOR_SHIFT))
 #define FFA_VERSION_COMPILED		MAKE_FFA_VERSION(FFA_VERSION_MAJOR, \
 							  FFA_VERSION_MINOR)

 /* FFA_MSG_SEND helpers */
 #define FFA_MSG_SEND_ATTRS_BLK_SHIFT	U(0)
 #define FFA_MSG_SEND_ATTRS_BLK_MASK	U(0x1)
 #define FFA_MSG_SEND_ATTRS_BLK		U(0)
 #define FFA_MSG_SEND_ATTRS_BLK_NOT	U(1)
 #define FFA_MSG_SEND_ATTRS(blk)		\
 	(((blk) & FFA_MSG_SEND_ATTRS_BLK_MASK) \
 	<< FFA_MSG_SEND_ATTRS_BLK_SHIFT)

 /* Get FFA fastcall std FID from function number */
 #define FFA_FID(smc_cc, func_num)			\
 		((SMC_TYPE_FAST << FUNCID_TYPE_SHIFT) |	\
 		 ((smc_cc) << FUNCID_CC_SHIFT) |	\
 		 (OEN_STD_START << FUNCID_OEN_SHIFT) |	\
 		 ((func_num) << FUNCID_NUM_SHIFT))

 /* FFA function numbers */
 #define FFA_FNUM_ERROR				U(0x60)
 #define FFA_FNUM_SUCCESS			U(0x61)
 #define FFA_FNUM_INTERRUPT			U(0x62)
 #define FFA_FNUM_VERSION			U(0x63)
 #define FFA_FNUM_FEATURES			U(0x64)
 #define FFA_FNUM_RX_RELEASE			U(0x65)
 #define FFA_FNUM_RXTX_MAP			U(0x66)
 #define FFA_FNUM_RXTX_UNMAP			U(0x67)
 #define FFA_FNUM_PARTITION_INFO_GET		U(0x68)
 #define FFA_FNUM_ID_GET				U(0x69)
 #define FFA_FNUM_MSG_POLL			U(0x6A) /* Legacy FF-A v1.0 */
 #define FFA_FNUM_MSG_WAIT			U(0x6B)
 #define FFA_FNUM_MSG_YIELD			U(0x6C)
 #define FFA_FNUM_MSG_RUN			U(0x6D)
 #define FFA_FNUM_MSG_SEND			U(0x6E) /* Legacy FF-A v1.0 */
 #define FFA_FNUM_MSG_SEND_DIRECT_REQ		U(0x6F)
 #define FFA_FNUM_MSG_SEND_DIRECT_RESP		U(0x70)
 #define FFA_FNUM_MEM_DONATE			U(0x71)
 #define FFA_FNUM_MEM_LEND			U(0x72)
 #define FFA_FNUM_MEM_SHARE			U(0x73)
 #define FFA_FNUM_MEM_RETRIEVE_REQ		U(0x74)
 #define FFA_FNUM_MEM_RETRIEVE_RESP		U(0x75)
 #define FFA_FNUM_MEM_RELINQUISH			U(0x76)
 #define FFA_FNUM_MEM_RECLAIM			U(0x77)
 #define FFA_FNUM_NORMAL_WORLD_RESUME		U(0x7C)

 /* FF-A v1.1 */
 #define FFA_FNUM_NOTIFICATION_BITMAP_CREATE	U(0x7D)
 #define FFA_FNUM_NOTIFICATION_BITMAP_DESTROY	U(0x7E)
 #define FFA_FNUM_NOTIFICATION_BIND		U(0x7F)
 #define FFA_FNUM_NOTIFICATION_UNBIND		U(0x80)
 #define FFA_FNUM_NOTIFICATION_SET		U(0x81)
 #define FFA_FNUM_NOTIFICATION_GET		U(0x82)
 #define FFA_FNUM_NOTIFICATION_INFO_GET		U(0x83)
 #define FFA_FNUM_RX_ACQUIRE			U(0x84)
 #define FFA_FNUM_SPM_ID_GET			U(0x85)
 #define FFA_FNUM_MSG_SEND2			U(0x86)
 #define FFA_FNUM_SECONDARY_EP_REGISTER		U(0x87)

 /* FFA SMC32 FIDs */
 #define FFA_ERROR		FFA_FID(SMC_32, FFA_FNUM_ERROR)
 #define FFA_SUCCESS_SMC32	FFA_FID(SMC_32, FFA_FNUM_SUCCESS)
 #define FFA_INTERRUPT		FFA_FID(SMC_32, FFA_FNUM_INTERRUPT)
 #define FFA_VERSION		FFA_FID(SMC_32, FFA_FNUM_VERSION)
 #define FFA_FEATURES		FFA_FID(SMC_32, FFA_FNUM_FEATURES)
 #define FFA_RX_RELEASE		FFA_FID(SMC_32, FFA_FNUM_RX_RELEASE)
 #define FFA_RXTX_MAP_SMC32	FFA_FID(SMC_32, FFA_FNUM_RXTX_MAP)
 #define FFA_RXTX_UNMAP		FFA_FID(SMC_32, FFA_FNUM_RXTX_UNMAP)
 #define FFA_PARTITION_INFO_GET	FFA_FID(SMC_32, FFA_FNUM_PARTITION_INFO_GET)
 #define FFA_ID_GET		FFA_FID(SMC_32, FFA_FNUM_ID_GET)
 #define FFA_MSG_POLL		FFA_FID(SMC_32, FFA_FNUM_MSG_POLL)
 #define FFA_MSG_WAIT		FFA_FID(SMC_32, FFA_FNUM_MSG_WAIT)
 #define FFA_MSG_YIELD		FFA_FID(SMC_32, FFA_FNUM_MSG_YIELD)
 #define FFA_MSG_RUN		FFA_FID(SMC_32, FFA_FNUM_MSG_RUN)
 #define FFA_MSG_SEND		FFA_FID(SMC_32, FFA_FNUM_MSG_SEND)
 #define FFA_MSG_SEND_DIRECT_REQ_SMC32 \
 	FFA_FID(SMC_32, FFA_FNUM_MSG_SEND_DIRECT_REQ)
 #define FFA_MSG_SEND_DIRECT_RESP_SMC32	\
 	FFA_FID(SMC_32, FFA_FNUM_MSG_SEND_DIRECT_RESP)
 #define FFA_MEM_DONATE_SMC32	FFA_FID(SMC_32, FFA_FNUM_MEM_DONATE)
 #define FFA_MEM_LEND_SMC32	FFA_FID(SMC_32, FFA_FNUM_MEM_LEND)
 #define FFA_MEM_SHARE_SMC32	FFA_FID(SMC_32, FFA_FNUM_MEM_SHARE)
 #define FFA_MEM_RETRIEVE_REQ_SMC32 \
 	FFA_FID(SMC_32, FFA_FNUM_MEM_RETRIEVE_REQ)
 #define FFA_MEM_RETRIEVE_RESP	FFA_FID(SMC_32, FFA_FNUM_MEM_RETRIEVE_RESP)
 #define FFA_MEM_RELINQUISH	FFA_FID(SMC_32, FFA_FNUM_MEM_RELINQUISH)
 #define FFA_MEM_RECLAIM	FFA_FID(SMC_32, FFA_FNUM_MEM_RECLAIM)
 #define FFA_NOTIFICATION_BITMAP_CREATE	\
 	FFA_FID(SMC_32, FFA_FNUM_NOTIFICATION_BITMAP_CREATE)
 #define FFA_NOTIFICATION_BITMAP_DESTROY	\
 	FFA_FID(SMC_32, FFA_FNUM_NOTIFICATION_BITMAP_DESTROY)
 #define FFA_NOTIFICATION_BIND	FFA_FID(SMC_32, FFA_FNUM_NOTIFICATION_BIND)
 #define FFA_NOTIFICATION_UNBIND FFA_FID(SMC_32, FFA_FNUM_NOTIFICATION_UNBIND)
 #define FFA_NOTIFICATION_SET 	FFA_FID(SMC_32, FFA_FNUM_NOTIFICATION_SET)
 #define FFA_NOTIFICATION_GET 	FFA_FID(SMC_32, FFA_FNUM_NOTIFICATION_GET)
 #define FFA_NOTIFICATION_INFO_GET \
 	FFA_FID(SMC_32, FFA_FNUM_NOTIFICATION_INFO_GET)
 #define FFA_SPM_ID_GET		FFA_FID(SMC_32, FFA_FNUM_SPM_ID_GET)

 /* FFA SMC64 FIDs */
 #define FFA_ERROR_SMC64		FFA_FID(SMC_64, FFA_FNUM_ERROR)
 #define FFA_SUCCESS_SMC64	FFA_FID(SMC_64, FFA_FNUM_SUCCESS)
 #define FFA_RXTX_MAP_SMC64	FFA_FID(SMC_64, FFA_FNUM_RXTX_MAP)
 #define FFA_MSG_SEND_DIRECT_REQ_SMC64 \
 	FFA_FID(SMC_64, FFA_FNUM_MSG_SEND_DIRECT_REQ)
 #define FFA_MSG_SEND_DIRECT_RESP_SMC64	\
 	FFA_FID(SMC_64, FFA_FNUM_MSG_SEND_DIRECT_RESP)
 #define FFA_MEM_DONATE_SMC64	FFA_FID(SMC_64, FFA_FNUM_MEM_DONATE)
 #define FFA_MEM_LEND_SMC64	FFA_FID(SMC_64, FFA_FNUM_MEM_LEND)
 #define FFA_MEM_SHARE_SMC64	FFA_FID(SMC_64, FFA_FNUM_MEM_SHARE)
 #define FFA_MEM_RETRIEVE_REQ_SMC64 \
 	FFA_FID(SMC_64, FFA_FNUM_MEM_RETRIEVE_REQ)
 #define FFA_SECONDARY_EP_REGISTER_SMC64 \
 	FFA_FID(SMC_64, FFA_FNUM_SECONDARY_EP_REGISTER)
 #define FFA_NOTIFICATION_INFO_GET_SMC64 \
 	FFA_FID(SMC_64, FFA_FNUM_NOTIFICATION_INFO_GET)

 /*
  * Reserve a special value for traffic targeted to the Hypervisor or SPM.
  */
 #define FFA_TARGET_INFO_MBZ		U(0x0)

 /*
  * Reserve a special value for MBZ parameters.
  */
 #define FFA_PARAM_MBZ			U(0x0)

 /*
  * Maximum FF-A endpoint id value
  */
 #define FFA_ENDPOINT_ID_MAX			U(1 << 16)

 /*
  * Mask for source and destination endpoint id in
  * a direct message request/response.
  */
 #define FFA_DIRECT_MSG_ENDPOINT_ID_MASK		U(0xffff)

 /*
  * Bit shift for destination endpoint id in a direct message request/response.
  */
 #define FFA_DIRECT_MSG_DESTINATION_SHIFT	U(0)

 /*
  * Bit shift for source endpoint id in a direct message request/response.
  */
 #define FFA_DIRECT_MSG_SOURCE_SHIFT		U(16)

 /******************************************************************************
  * ffa_endpoint_destination
  *****************************************************************************/
 static inline uint16_t ffa_endpoint_destination(unsigned int ep)
 {
 	return (ep >> FFA_DIRECT_MSG_DESTINATION_SHIFT) &
 		FFA_DIRECT_MSG_ENDPOINT_ID_MASK;
 }

 /******************************************************************************
  * ffa_endpoint_source
  *****************************************************************************/
 static inline uint16_t ffa_endpoint_source(unsigned int ep)
 {
 	return (ep >> FFA_DIRECT_MSG_SOURCE_SHIFT) &
 		FFA_DIRECT_MSG_ENDPOINT_ID_MASK;
 }

 #endif /* FFA_SVC_H */
	/*
	* Copyright (c) 2020-2021, Arm Limited. All rights reserved.
	*
	* SPDX-License-Identifier: BSD-3-Clause
	*/

	#ifndef FFA_SVC_H
	#define FFA_SVC_H

	#include <lib/smccc.h>
	#include <lib/utils_def.h>
	#include <tools_share/uuid.h>

	/* FFA error codes. */
	#define FFA_ERROR_NOT_SUPPORTED -1
	#define FFA_ERROR_INVALID_PARAMETER -2
	#define FFA_ERROR_NO_MEMORY -3
	#define FFA_ERROR_BUSY -4
	#define FFA_ERROR_INTERRUPTED -5
	#define FFA_ERROR_DENIED -6
	#define FFA_ERROR_RETRY -7

	/* The macros below are used to identify FFA calls from the SMC function ID */
	#define FFA_FNUM_MIN_VALUE U(0x60)
	#define FFA_FNUM_MAX_VALUE U(0x87)
	#define is_ffa_fid(fid) __extension__ ({ \
	__typeof__(fid) _fid = (fid); \
	((GET_SMC_NUM(_fid) >= FFA_FNUM_MIN_VALUE) && \
	(GET_SMC_NUM(_fid) <= FFA_FNUM_MAX_VALUE)); })

	/* FFA_VERSION helpers */
	#define FFA_VERSION_MAJOR U(1)
	#define FFA_VERSION_MAJOR_SHIFT 16
	#define FFA_VERSION_MAJOR_MASK U(0x7FFF)
	#define FFA_VERSION_MINOR U(1)
	#define FFA_VERSION_MINOR_SHIFT 0
	#define FFA_VERSION_MINOR_MASK U(0xFFFF)
	#define FFA_VERSION_BIT31_MASK U(0x1u << 31)


	#define MAKE_FFA_VERSION(major, minor) \
	((((major) & FFA_VERSION_MAJOR_MASK) << FFA_VERSION_MAJOR_SHIFT) \| \
	(((minor) & FFA_VERSION_MINOR_MASK) << FFA_VERSION_MINOR_SHIFT))
	#define FFA_VERSION_COMPILED MAKE_FFA_VERSION(FFA_VERSION_MAJOR, \
	FFA_VERSION_MINOR)

	/* FFA_MSG_SEND helpers */
	#define FFA_MSG_SEND_ATTRS_BLK_SHIFT U(0)
	#define FFA_MSG_SEND_ATTRS_BLK_MASK U(0x1)
	#define FFA_MSG_SEND_ATTRS_BLK U(0)
	#define FFA_MSG_SEND_ATTRS_BLK_NOT U(1)
	#define FFA_MSG_SEND_ATTRS(blk) \
	(((blk) & FFA_MSG_SEND_ATTRS_BLK_MASK) \
	<< FFA_MSG_SEND_ATTRS_BLK_SHIFT)

	/* Get FFA fastcall std FID from function number */
	#define FFA_FID(smc_cc, func_num) \
	((SMC_TYPE_FAST << FUNCID_TYPE_SHIFT) \| \
	((smc_cc) << FUNCID_CC_SHIFT) \| \
	(OEN_STD_START << FUNCID_OEN_SHIFT) \| \
	((func_num) << FUNCID_NUM_SHIFT))

	/* FFA function numbers */
	#define FFA_FNUM_ERROR U(0x60)
	#define FFA_FNUM_SUCCESS U(0x61)
	#define FFA_FNUM_INTERRUPT U(0x62)
	#define FFA_FNUM_VERSION U(0x63)
	#define FFA_FNUM_FEATURES U(0x64)
	#define FFA_FNUM_RX_RELEASE U(0x65)
	#define FFA_FNUM_RXTX_MAP U(0x66)
	#define FFA_FNUM_RXTX_UNMAP U(0x67)
	#define FFA_FNUM_PARTITION_INFO_GET U(0x68)
	#define FFA_FNUM_ID_GET U(0x69)
	#define FFA_FNUM_MSG_POLL U(0x6A) /* Legacy FF-A v1.0 */
	#define FFA_FNUM_MSG_WAIT U(0x6B)
	#define FFA_FNUM_MSG_YIELD U(0x6C)
	#define FFA_FNUM_MSG_RUN U(0x6D)
	#define FFA_FNUM_MSG_SEND U(0x6E) /* Legacy FF-A v1.0 */
	#define FFA_FNUM_MSG_SEND_DIRECT_REQ U(0x6F)
	#define FFA_FNUM_MSG_SEND_DIRECT_RESP U(0x70)
	#define FFA_FNUM_MEM_DONATE U(0x71)
	#define FFA_FNUM_MEM_LEND U(0x72)
	#define FFA_FNUM_MEM_SHARE U(0x73)
	#define FFA_FNUM_MEM_RETRIEVE_REQ U(0x74)
	#define FFA_FNUM_MEM_RETRIEVE_RESP U(0x75)
	#define FFA_FNUM_MEM_RELINQUISH U(0x76)
	#define FFA_FNUM_MEM_RECLAIM U(0x77)
	#define FFA_FNUM_NORMAL_WORLD_RESUME U(0x7C)

	/* FF-A v1.1 */
	#define FFA_FNUM_NOTIFICATION_BITMAP_CREATE U(0x7D)
	#define FFA_FNUM_NOTIFICATION_BITMAP_DESTROY U(0x7E)
	#define FFA_FNUM_NOTIFICATION_BIND U(0x7F)
	#define FFA_FNUM_NOTIFICATION_UNBIND U(0x80)
	#define FFA_FNUM_NOTIFICATION_SET U(0x81)
	#define FFA_FNUM_NOTIFICATION_GET U(0x82)
	#define FFA_FNUM_NOTIFICATION_INFO_GET U(0x83)
	#define FFA_FNUM_RX_ACQUIRE U(0x84)
	#define FFA_FNUM_SPM_ID_GET U(0x85)
	#define FFA_FNUM_MSG_SEND2 U(0x86)
	#define FFA_FNUM_SECONDARY_EP_REGISTER U(0x87)

	/* FFA SMC32 FIDs */
	#define FFA_ERROR FFA_FID(SMC_32, FFA_FNUM_ERROR)
	#define FFA_SUCCESS_SMC32 FFA_FID(SMC_32, FFA_FNUM_SUCCESS)
	#define FFA_INTERRUPT FFA_FID(SMC_32, FFA_FNUM_INTERRUPT)
	#define FFA_VERSION FFA_FID(SMC_32, FFA_FNUM_VERSION)
	#define FFA_FEATURES FFA_FID(SMC_32, FFA_FNUM_FEATURES)
	#define FFA_RX_RELEASE FFA_FID(SMC_32, FFA_FNUM_RX_RELEASE)
	#define FFA_RXTX_MAP_SMC32 FFA_FID(SMC_32, FFA_FNUM_RXTX_MAP)
	#define FFA_RXTX_UNMAP FFA_FID(SMC_32, FFA_FNUM_RXTX_UNMAP)
	#define FFA_PARTITION_INFO_GET FFA_FID(SMC_32, FFA_FNUM_PARTITION_INFO_GET)
	#define FFA_ID_GET FFA_FID(SMC_32, FFA_FNUM_ID_GET)
	#define FFA_MSG_POLL FFA_FID(SMC_32, FFA_FNUM_MSG_POLL)
	#define FFA_MSG_WAIT FFA_FID(SMC_32, FFA_FNUM_MSG_WAIT)
	#define FFA_MSG_YIELD FFA_FID(SMC_32, FFA_FNUM_MSG_YIELD)
	#define FFA_MSG_RUN FFA_FID(SMC_32, FFA_FNUM_MSG_RUN)
	#define FFA_MSG_SEND FFA_FID(SMC_32, FFA_FNUM_MSG_SEND)
	#define FFA_MSG_SEND_DIRECT_REQ_SMC32 \
	FFA_FID(SMC_32, FFA_FNUM_MSG_SEND_DIRECT_REQ)
	#define FFA_MSG_SEND_DIRECT_RESP_SMC32 \
	FFA_FID(SMC_32, FFA_FNUM_MSG_SEND_DIRECT_RESP)
	#define FFA_MEM_DONATE_SMC32 FFA_FID(SMC_32, FFA_FNUM_MEM_DONATE)
	#define FFA_MEM_LEND_SMC32 FFA_FID(SMC_32, FFA_FNUM_MEM_LEND)
	#define FFA_MEM_SHARE_SMC32 FFA_FID(SMC_32, FFA_FNUM_MEM_SHARE)
	#define FFA_MEM_RETRIEVE_REQ_SMC32 \
	FFA_FID(SMC_32, FFA_FNUM_MEM_RETRIEVE_REQ)
	#define FFA_MEM_RETRIEVE_RESP FFA_FID(SMC_32, FFA_FNUM_MEM_RETRIEVE_RESP)
	#define FFA_MEM_RELINQUISH FFA_FID(SMC_32, FFA_FNUM_MEM_RELINQUISH)
	#define FFA_MEM_RECLAIM FFA_FID(SMC_32, FFA_FNUM_MEM_RECLAIM)
	#define FFA_NOTIFICATION_BITMAP_CREATE \
	FFA_FID(SMC_32, FFA_FNUM_NOTIFICATION_BITMAP_CREATE)
	#define FFA_NOTIFICATION_BITMAP_DESTROY \
	FFA_FID(SMC_32, FFA_FNUM_NOTIFICATION_BITMAP_DESTROY)
	#define FFA_NOTIFICATION_BIND FFA_FID(SMC_32, FFA_FNUM_NOTIFICATION_BIND)
	#define FFA_NOTIFICATION_UNBIND FFA_FID(SMC_32, FFA_FNUM_NOTIFICATION_UNBIND)
	#define FFA_NOTIFICATION_SET FFA_FID(SMC_32, FFA_FNUM_NOTIFICATION_SET)
	#define FFA_NOTIFICATION_GET FFA_FID(SMC_32, FFA_FNUM_NOTIFICATION_GET)
	#define FFA_NOTIFICATION_INFO_GET \
	FFA_FID(SMC_32, FFA_FNUM_NOTIFICATION_INFO_GET)
	#define FFA_SPM_ID_GET FFA_FID(SMC_32, FFA_FNUM_SPM_ID_GET)

	/* FFA SMC64 FIDs */
	#define FFA_ERROR_SMC64 FFA_FID(SMC_64, FFA_FNUM_ERROR)
	#define FFA_SUCCESS_SMC64 FFA_FID(SMC_64, FFA_FNUM_SUCCESS)
	#define FFA_RXTX_MAP_SMC64 FFA_FID(SMC_64, FFA_FNUM_RXTX_MAP)
	#define FFA_MSG_SEND_DIRECT_REQ_SMC64 \
	FFA_FID(SMC_64, FFA_FNUM_MSG_SEND_DIRECT_REQ)
	#define FFA_MSG_SEND_DIRECT_RESP_SMC64 \
	FFA_FID(SMC_64, FFA_FNUM_MSG_SEND_DIRECT_RESP)
	#define FFA_MEM_DONATE_SMC64 FFA_FID(SMC_64, FFA_FNUM_MEM_DONATE)
	#define FFA_MEM_LEND_SMC64 FFA_FID(SMC_64, FFA_FNUM_MEM_LEND)
	#define FFA_MEM_SHARE_SMC64 FFA_FID(SMC_64, FFA_FNUM_MEM_SHARE)
	#define FFA_MEM_RETRIEVE_REQ_SMC64 \
	FFA_FID(SMC_64, FFA_FNUM_MEM_RETRIEVE_REQ)
	#define FFA_SECONDARY_EP_REGISTER_SMC64 \
	FFA_FID(SMC_64, FFA_FNUM_SECONDARY_EP_REGISTER)
	#define FFA_NOTIFICATION_INFO_GET_SMC64 \
	FFA_FID(SMC_64, FFA_FNUM_NOTIFICATION_INFO_GET)

	/*
	* Reserve a special value for traffic targeted to the Hypervisor or SPM.
	*/
	#define FFA_TARGET_INFO_MBZ U(0x0)

	/*
	* Reserve a special value for MBZ parameters.
	*/
	#define FFA_PARAM_MBZ U(0x0)

	/*
	* Maximum FF-A endpoint id value
	*/
	#define FFA_ENDPOINT_ID_MAX U(1 << 16)

	/*
	* Mask for source and destination endpoint id in
	* a direct message request/response.
	*/
	#define FFA_DIRECT_MSG_ENDPOINT_ID_MASK U(0xffff)

	/*
	* Bit shift for destination endpoint id in a direct message request/response.
	*/
	#define FFA_DIRECT_MSG_DESTINATION_SHIFT U(0)

	/*
	* Bit shift for source endpoint id in a direct message request/response.
	*/
	#define FFA_DIRECT_MSG_SOURCE_SHIFT U(16)

	/******************************************************************************
	* ffa_endpoint_destination
	*****************************************************************************/
	static inline uint16_t ffa_endpoint_destination(unsigned int ep)
	{
	return (ep >> FFA_DIRECT_MSG_DESTINATION_SHIFT) &
	FFA_DIRECT_MSG_ENDPOINT_ID_MASK;
	}

	/******************************************************************************
	* ffa_endpoint_source
	*****************************************************************************/
	static inline uint16_t ffa_endpoint_source(unsigned int ep)
	{
	return (ep >> FFA_DIRECT_MSG_SOURCE_SHIFT) &
	FFA_DIRECT_MSG_ENDPOINT_ID_MASK;
	}

	#endif /* FFA_SVC_H */