blob: 49ba4085869133bb5602d486e8348028ac61ee26 [file] [log] [blame]
/*
* Copyright (c) 2019, Arm Limited. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#ifndef SPCI_SVC_H
#define SPCI_SVC_H
#include <lib/smccc.h>
#include <lib/utils_def.h>
#include <tools_share/uuid.h>
/* 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 */