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/*
* Copyright (c) 2017-2018, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#ifndef SPM_SVC_H
#define SPM_SVC_H
#include <utils_def.h>
#define SPM_VERSION_MAJOR U(0)
#define SPM_VERSION_MAJOR_SHIFT 16
#define SPM_VERSION_MAJOR_MASK U(0x7FFF)
#define SPM_VERSION_MINOR U(1)
#define SPM_VERSION_MINOR_SHIFT 0
#define SPM_VERSION_MINOR_MASK U(0xFFFF)
#define SPM_VERSION_FORM(major, minor) ((major << SPM_VERSION_MAJOR_SHIFT) | (minor))
#define SPM_VERSION_COMPILED SPM_VERSION_FORM(SPM_VERSION_MAJOR, SPM_VERSION_MINOR)
/* The macros below are used to identify SPM calls from the SMC function ID */
#define SPM_FID_MASK U(0xffff)
#define SPM_FID_MIN_VALUE U(0x40)
#define SPM_FID_MAX_VALUE U(0x7f)
#define is_spm_fid(_fid) \
((((_fid) & SPM_FID_MASK) >= SPM_FID_MIN_VALUE) && \
(((_fid) & SPM_FID_MASK) <= SPM_FID_MAX_VALUE))
/*
* SMC IDs defined for accessing services implemented by the Secure Partition
* Manager from the Secure Partition(s). These services enable a partition to
* handle delegated events and request privileged operations from the manager.
* They occupy the range 0x60-0x7f.
*/
#define SPM_VERSION_AARCH32 U(0x84000060)
#define SP_EVENT_COMPLETE_AARCH64 U(0xC4000061)
#define SP_MEMORY_ATTRIBUTES_GET_AARCH64 U(0xC4000064)
#define SP_MEMORY_ATTRIBUTES_SET_AARCH64 U(0xC4000065)
/*
* Macros used by SP_MEMORY_ATTRIBUTES_SET_AARCH64.
*/
#define SP_MEMORY_ATTRIBUTES_ACCESS_NOACCESS U(0)
#define SP_MEMORY_ATTRIBUTES_ACCESS_RW U(1)
/* Value U(2) is reserved. */
#define SP_MEMORY_ATTRIBUTES_ACCESS_RO U(3)
#define SP_MEMORY_ATTRIBUTES_ACCESS_MASK U(3)
#define SP_MEMORY_ATTRIBUTES_ACCESS_SHIFT 0
#define SP_MEMORY_ATTRIBUTES_EXEC (U(0) << 2)
#define SP_MEMORY_ATTRIBUTES_NON_EXEC (U(1) << 2)
/* SPM error codes. */
#define SPM_SUCCESS 0
#define SPM_NOT_SUPPORTED -1
#define SPM_INVALID_PARAMETER -2
#define SPM_DENIED -3
#define SPM_NO_MEMORY -5
#ifndef __ASSEMBLY__
#include <stdint.h>
int32_t spm_setup(void);
uint64_t spm_smc_handler(uint32_t smc_fid,
uint64_t x1,
uint64_t x2,
uint64_t x3,
uint64_t x4,
void *cookie,
void *handle,
uint64_t flags);
/* Helper to enter a Secure Partition */
uint64_t spm_sp_call(uint32_t smc_fid, uint64_t x1, uint64_t x2, uint64_t x3);
#endif /* __ASSEMBLY__ */
#endif /* SPM_SVC_H */