61 lines
2.0 KiB
C
61 lines
2.0 KiB
C
/*
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* Copyright (c) 2022, ARM Limited and Contributors. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#ifndef EL3_SP_H
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#define EL3_SP_H
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#include <common/bl_common.h>
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#include <lib/cassert.h>
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/*******************************************************************************
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* Structure definition, typedefs & constants for the Logical SPs.
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******************************************************************************/
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typedef uint64_t (*direct_msg_handler)(uint32_t smc_fid, bool secure_origin,
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uint64_t x1, uint64_t x2, uint64_t x3,
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uint64_t x4, void *cookie, void *handle,
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uint64_t flags);
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/* Prototype for logical partition initializing function. */
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typedef int32_t (*ffa_partition_init_t)(void);
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/* Logical Partition Descriptor. */
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struct el3_lp_desc {
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ffa_partition_init_t init;
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uint16_t sp_id;
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uint32_t properties;
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uint32_t uuid[4]; /* Little Endian. */
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direct_msg_handler direct_req;
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const char *debug_name;
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};
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/* Convenience macro to declare a logical partition descriptor. */
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#define DECLARE_LOGICAL_PARTITION(_name, _init, _sp_id, _uuid, _properties, \
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_direct_req) \
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static const struct el3_lp_desc __partition_desc_ ## _name \
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__section("el3_lp_descs") __used = { \
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.debug_name = #_name, \
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.init = (_init), \
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.sp_id = (_sp_id), \
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.uuid = _uuid, \
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.properties = (_properties), \
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.direct_req = (_direct_req), \
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}
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/*******************************************************************************
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* Function & variable prototypes.
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******************************************************************************/
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int el3_sp_desc_validate(void);
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uintptr_t handle_el3_sp(uint32_t smc_fid, void *cookie, void *handle,
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unsigned int flags);
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IMPORT_SYM(uintptr_t, __EL3_LP_DESCS_START__, EL3_LP_DESCS_START);
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IMPORT_SYM(uintptr_t, __EL3_LP_DESCS_END__, EL3_LP_DESCS_END);
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#define EL3_LP_DESCS_COUNT ((EL3_LP_DESCS_END - EL3_LP_DESCS_START) \
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/ sizeof(struct el3_lp_desc))
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#endif /* EL3_SP_H */
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