/* * Copyright (c) 2019, Arm Limited. All rights reserved. * * SPDX-License-Identifier: BSD-3-Clause */ #ifndef SPCI_SVC_H #define SPCI_SVC_H #include #include #include /* SPCI error codes. */ #define SPCI_ERROR_NOT_SUPPORTED -1 #define SPCI_ERROR_INVALID_PARAMETER -2 #define SPCI_ERROR_NO_MEMORY -3 #define SPCI_ERROR_BUSY -4 #define SPCI_ERROR_INTERRUPTED -5 #define SPCI_ERROR_DENIED -6 #define SPCI_ERROR_RETRY -7 /* The macros below are used to identify SPCI calls from the SMC function ID */ #define SPCI_FNUM_MIN_VALUE U(0x60) #define SPCI_FNUM_MAX_VALUE U(0x7f) #define is_spci_fid(fid) __extension__ ({ \ __typeof__(fid) _fid = (fid); \ ((GET_SMC_NUM(_fid) >= SPCI_FNUM_MIN_VALUE) && \ (GET_SMC_NUM(_fid) <= SPCI_FNUM_MAX_VALUE)); }) /* SPCI_VERSION helpers */ #define SPCI_VERSION_MAJOR U(0) #define SPCI_VERSION_MAJOR_SHIFT 16 #define SPCI_VERSION_MAJOR_MASK U(0x7FFF) #define SPCI_VERSION_MINOR U(9) #define SPCI_VERSION_MINOR_SHIFT 0 #define SPCI_VERSION_MINOR_MASK U(0xFFFF) #define MAKE_SPCI_VERSION(major, minor) \ ((((major) & SPCI_VERSION_MAJOR_MASK) << SPCI_VERSION_MAJOR_SHIFT) | \ (((minor) & SPCI_VERSION_MINOR_MASK) << SPCI_VERSION_MINOR_SHIFT)) #define SPCI_VERSION_COMPILED MAKE_SPCI_VERSION(SPCI_VERSION_MAJOR, \ SPCI_VERSION_MINOR) /* SPCI_MSG_SEND helpers */ #define SPCI_MSG_SEND_ATTRS_BLK_SHIFT U(0) #define SPCI_MSG_SEND_ATTRS_BLK_MASK U(0x1) #define SPCI_MSG_SEND_ATTRS_BLK U(0) #define SPCI_MSG_SEND_ATTRS_BLK_NOT U(1) #define SPCI_MSG_SEND_ATTRS(blk) \ (((blk) & SPCI_MSG_SEND_ATTRS_BLK_MASK) \ << SPCI_MSG_SEND_ATTRS_BLK_SHIFT) /* Get SPCI fastcall std FID from function number */ #define SPCI_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)) /* SPCI function numbers */ #define SPCI_FNUM_ERROR U(0x60) #define SPCI_FNUM_SUCCESS U(0x61) #define SPCI_FNUM_INTERRUPT U(0x62) #define SPCI_FNUM_VERSION U(0x63) #define SPCI_FNUM_FEATURES U(0x64) #define SPCI_FNUM_RX_RELEASE U(0x65) #define SPCI_FNUM_RXTX_MAP U(0x66) #define SPCI_FNUM_RXTX_UNMAP U(0x67) #define SPCI_FNUM_PARTITION_INFO_GET U(0x68) #define SPCI_FNUM_ID_GET U(0x69) #define SPCI_FNUM_MSG_POLL U(0x6A) #define SPCI_FNUM_MSG_WAIT U(0x6B) #define SPCI_FNUM_MSG_YIELD U(0x6C) #define SPCI_FNUM_MSG_RUN U(0x6D) #define SPCI_FNUM_MSG_SEND U(0x6E) #define SPCI_FNUM_MSG_SEND_DIRECT_REQ U(0x6F) #define SPCI_FNUM_MSG_SEND_DIRECT_RESP U(0x70) #define SPCI_FNUM_MEM_DONATE U(0x71) #define SPCI_FNUM_MEM_LEND U(0x72) #define SPCI_FNUM_MEM_SHARE U(0x73) #define SPCI_FNUM_MEM_RETRIEVE_REQ U(0x74) #define SPCI_FNUM_MEM_RETRIEVE_RESP U(0x75) #define SPCI_FNUM_MEM_RELINQUISH U(0x76) #define SPCI_FNUM_MEM_RECLAIM U(0x77) /* SPCI SMC32 FIDs */ #define SPCI_ERROR SPCI_FID(SMC_32, SPCI_FNUM_ERROR) #define SPCI_SUCCESS_SMC32 SPCI_FID(SMC_32, SPCI_FNUM_SUCCESS) #define SPCI_INTERRUPT SPCI_FID(SMC_32, SPCI_FNUM_INTERRUPT) #define SPCI_VERSION SPCI_FID(SMC_32, SPCI_FNUM_VERSION) #define SPCI_FEATURES SPCI_FID(SMC_32, SPCI_FNUM_FEATURES) #define SPCI_RX_RELEASE SPCI_FID(SMC_32, SPCI_FNUM_RX_RELEASE) #define SPCI_RXTX_MAP_SMC32 SPCI_FID(SMC_32, SPCI_FNUM_RXTX_MAP) #define SPCI_RXTX_UNMAP SPCI_FID(SMC_32, SPCI_FNUM_RXTX_UNMAP) #define SPCI_PARTITION_INFO_GET SPCI_FID(SMC_32, SPCI_FNUM_PARTITION_INFO_GET) #define SPCI_ID_GET SPCI_FID(SMC_32, SPCI_FNUM_ID_GET) #define SPCI_MSG_POLL SPCI_FID(SMC_32, SPCI_FNUM_MSG_POLL) #define SPCI_MSG_WAIT SPCI_FID(SMC_32, SPCI_FNUM_MSG_WAIT) #define SPCI_MSG_YIELD SPCI_FID(SMC_32, SPCI_FNUM_MSG_YIELD) #define SPCI_MSG_RUN SPCI_FID(SMC_32, SPCI_FNUM_MSG_RUN) #define SPCI_MSG_SEND SPCI_FID(SMC_32, SPCI_FNUM_MSG_SEND) #define SPCI_MSG_SEND_DIRECT_REQ_SMC32 \ SPCI_FID(SMC_32, SPCI_FNUM_MSG_SEND_DIRECT_REQ) #define SPCI_MSG_SEND_DIRECT_RESP_SMC32 \ SPCI_FID(SMC_32, SPCI_FNUM_MSG_SEND_DIRECT_RESP) #define SPCI_MEM_DONATE_SMC32 SPCI_FID(SMC_32, SPCI_FNUM_MEM_DONATE) #define SPCI_MEM_LEND_SMC32 SPCI_FID(SMC_32, SPCI_FNUM_MEM_LEND) #define SPCI_MEM_SHARE_SMC32 SPCI_FID(SMC_32, SPCI_FNUM_MEM_SHARE) #define SPCI_MEM_RETRIEVE_REQ_SMC32 \ SPCI_FID(SMC_32, SPCI_FNUM_MEM_RETRIEVE_REQ) #define SPCI_MEM_RETRIEVE_RESP SPCI_FID(SMC_32, SPCI_FNUM_MEM_RETRIEVE_RESP) #define SPCI_MEM_RELINQUISH SPCI_FID(SMC_32, SPCI_FNUM_MEM_RELINQUISH) #define SPCI_MEM_RECLAIM SPCI_FID(SMC_32, SPCI_FNUM_MEM_RECLAIM) /* SPCI SMC64 FIDs */ #define SPCI_SUCCESS_SMC64 SPCI_FID(SMC_64, SPCI_FNUM_SUCCESS) #define SPCI_RXTX_MAP_SMC64 SPCI_FID(SMC_64, SPCI_FNUM_RXTX_MAP) #define SPCI_MSG_SEND_DIRECT_REQ_SMC64 \ SPCI_FID(SMC_64, SPCI_FNUM_MSG_SEND_DIRECT_REQ) #define SPCI_MSG_SEND_DIRECT_RESP_SMC64 \ SPCI_FID(SMC_64, SPCI_FNUM_MSG_SEND_DIRECT_RESP) #define SPCI_MEM_DONATE_SMC64 SPCI_FID(SMC_64, SPCI_FNUM_MEM_DONATE) #define SPCI_MEM_LEND_SMC64 SPCI_FID(SMC_64, SPCI_FNUM_MEM_LEND) #define SPCI_MEM_SHARE_SMC64 SPCI_FID(SMC_64, SPCI_FNUM_MEM_SHARE) #define SPCI_MEM_RETRIEVE_REQ_SMC64 \ SPCI_FID(SMC_64, SPCI_FNUM_MEM_RETRIEVE_REQ) /* * Reserve a special value for traffic targeted to the Hypervisor or SPM. */ #define SPCI_TARGET_INFO_MBZ U(0x0) /* * Reserve a special value for MBZ parameters. */ #define SPCI_PARAM_MBZ U(0x0) #endif /* SPCI_SVC_H */