| /* |
| * Copyright (c) 2020-2022, Arm Limited. All rights reserved. |
| * |
| * SPDX-License-Identifier: BSD-3-Clause |
| */ |
| |
| #ifndef FFA_SVC_H |
| #define FFA_SVC_H |
| |
| #include <stdbool.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(0x8B) |
| #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 FFA_VERSION_MASK U(0xFFFFFFFF) |
| |
| |
| #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) |
| |
| /* Defines for FF-A framework messages exchanged using direct messages. */ |
| #define FFA_FWK_MSG_BIT BIT(31) |
| #define FFA_FWK_MSG_MASK 0xFF |
| #define FFA_FWK_MSG_PSCI U(0x0) |
| |
| /* Defines for FF-A power management messages framework messages. */ |
| #define FFA_PM_MSG_WB_REQ U(0x1) /* Warm boot request. */ |
| #define FFA_PM_MSG_PM_RESP U(0x2) /* Response to PSCI or warmboot req. */ |
| |
| /* FF-A warm boot types. */ |
| #define FFA_WB_TYPE_S2RAM 0x0 |
| #define FFA_WB_TYPE_NOTS2RAM 0x1 |
| |
| /* 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_MEM_FRAG_RX U(0x7A) |
| #define FFA_FNUM_MEM_FRAG_TX U(0x7B) |
| #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) |
| #define FFA_FNUM_PARTITION_INFO_GET_REGS U(0x8B) |
| |
| /* 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_RX_ACQUIRE FFA_FID(SMC_32, FFA_FNUM_RX_ACQUIRE) |
| #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_SEND2 FFA_FID(SMC_32, FFA_FNUM_MSG_SEND2) |
| #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_MEM_FRAG_RX FFA_FID(SMC_32, FFA_FNUM_MEM_FRAG_RX) |
| #define FFA_MEM_FRAG_TX FFA_FID(SMC_32, FFA_FNUM_MEM_FRAG_TX) |
| #define FFA_SPM_ID_GET FFA_FID(SMC_32, FFA_FNUM_SPM_ID_GET) |
| #define FFA_NORMAL_WORLD_RESUME FFA_FID(SMC_32, FFA_FNUM_NORMAL_WORLD_RESUME) |
| |
| /* 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) |
| #define FFA_PARTITION_INFO_GET_REGS_SMC64 \ |
| FFA_FID(SMC_64, FFA_FNUM_PARTITION_INFO_GET_REGS) |
| |
| /* |
| * FF-A partition properties values. |
| */ |
| #define FFA_PARTITION_DIRECT_REQ_RECV U(1 << 0) |
| #define FFA_PARTITION_DIRECT_REQ_SEND U(1 << 1) |
| #define FFA_PARTITION_INDIRECT_MSG U(1 << 2) |
| |
| /* |
| * 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) |
| |
| /* |
| * Reserve endpoint id for the SPMD. |
| */ |
| #define SPMD_DIRECT_MSG_ENDPOINT_ID U(FFA_ENDPOINT_ID_MAX - 1) |
| |
| /* Mask and shift to check valid secure FF-A Endpoint ID. */ |
| #define SPMC_SECURE_ID_MASK U(1) |
| #define SPMC_SECURE_ID_SHIFT U(15) |
| |
| /* |
| * Partition Count Flag in FFA_PARTITION_INFO_GET. |
| */ |
| #define FFA_PARTITION_INFO_GET_COUNT_FLAG_MASK U(1 << 0) |
| |
| /* |
| * 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; |
| } |
| |
| /****************************************************************************** |
| * FF-A helper functions to determine partition ID world. |
| *****************************************************************************/ |
| |
| /* |
| * Determine if provided ID is in the secure world. |
| */ |
| static inline bool ffa_is_secure_world_id(uint16_t id) |
| { |
| return ((id >> SPMC_SECURE_ID_SHIFT) & SPMC_SECURE_ID_MASK) == 1; |
| } |
| |
| /* |
| * Determine if provided ID is in the normal world. |
| */ |
| static inline bool ffa_is_normal_world_id(uint16_t id) |
| { |
| return !ffa_is_secure_world_id(id); |
| } |
| |
| |
| /****************************************************************************** |
| * Boot information protocol as per the FF-A v1.1 spec. |
| *****************************************************************************/ |
| #define FFA_INIT_DESC_SIGNATURE 0x00000FFA |
| |
| /* Boot information type. */ |
| #define FFA_BOOT_INFO_TYPE_STD U(0x0) |
| #define FFA_BOOT_INFO_TYPE_IMPL U(0x1) |
| |
| #define FFA_BOOT_INFO_TYPE_MASK U(0x1) |
| #define FFA_BOOT_INFO_TYPE_SHIFT U(0x7) |
| #define FFA_BOOT_INFO_TYPE(type) \ |
| (((type) & FFA_BOOT_INFO_TYPE_MASK) \ |
| << FFA_BOOT_INFO_TYPE_SHIFT) |
| |
| /* Boot information identifier. */ |
| #define FFA_BOOT_INFO_TYPE_ID_FDT U(0x0) |
| #define FFA_BOOT_INFO_TYPE_ID_HOB U(0x1) |
| |
| #define FFA_BOOT_INFO_TYPE_ID_MASK U(0x3F) |
| #define FFA_BOOT_INFO_TYPE_ID_SHIFT U(0x0) |
| #define FFA_BOOT_INFO_TYPE_ID(type) \ |
| (((type) & FFA_BOOT_INFO_TYPE_ID_MASK) \ |
| << FFA_BOOT_INFO_TYPE_ID_SHIFT) |
| |
| /* Format of Flags Name field. */ |
| #define FFA_BOOT_INFO_FLAG_NAME_STRING U(0x0) |
| #define FFA_BOOT_INFO_FLAG_NAME_UUID U(0x1) |
| |
| #define FFA_BOOT_INFO_FLAG_NAME_MASK U(0x3) |
| #define FFA_BOOT_INFO_FLAG_NAME_SHIFT U(0x0) |
| #define FFA_BOOT_INFO_FLAG_NAME(type) \ |
| (((type) & FFA_BOOT_INFO_FLAG_NAME_MASK)\ |
| << FFA_BOOT_INFO_FLAG_NAME_SHIFT) |
| |
| /* Format of Flags Contents field. */ |
| #define FFA_BOOT_INFO_FLAG_CONTENT_ADR U(0x0) |
| #define FFA_BOOT_INFO_FLAG_CONTENT_VAL U(0x1) |
| |
| #define FFA_BOOT_INFO_FLAG_CONTENT_MASK U(0x1) |
| #define FFA_BOOT_INFO_FLAG_CONTENT_SHIFT U(0x2) |
| #define FFA_BOOT_INFO_FLAG_CONTENT(content) \ |
| (((content) & FFA_BOOT_INFO_FLAG_CONTENT_MASK) \ |
| << FFA_BOOT_INFO_FLAG_CONTENT_SHIFT) |
| |
| /* Boot information descriptor. */ |
| struct ffa_boot_info_desc { |
| uint8_t name[16]; |
| uint8_t type; |
| uint8_t reserved; |
| uint16_t flags; |
| uint32_t size_boot_info; |
| uint64_t content; |
| }; |
| |
| /* Boot information header. */ |
| struct ffa_boot_info_header { |
| uint32_t signature; /* 0xFFA */ |
| uint32_t version; |
| uint32_t size_boot_info_blob; |
| uint32_t size_boot_info_desc; |
| uint32_t count_boot_info_desc; |
| uint32_t offset_boot_info_desc; |
| uint64_t reserved; |
| }; |
| |
| #endif /* FFA_SVC_H */ |