blob: 7ec9958d5051e969f36f71616d09df7f3b6813d3 [file] [log] [blame]
/*
* Copyright (c) 2022, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#ifndef EL3_SP_H
#define EL3_SP_H
#include <common/bl_common.h>
#include <lib/cassert.h>
/*******************************************************************************
* Structure definition, typedefs & constants for the Logical SPs.
******************************************************************************/
typedef uint64_t (*direct_msg_handler)(uint32_t smc_fid, bool secure_origin,
uint64_t x1, uint64_t x2, uint64_t x3,
uint64_t x4, void *cookie, void *handle,
uint64_t flags);
/* Prototype for logical partition initializing function. */
typedef int32_t (*ffa_partition_init_t)(void);
/* Logical Partition Descriptor. */
struct el3_lp_desc {
ffa_partition_init_t init;
uint16_t sp_id;
uint32_t properties;
uint32_t uuid[4]; /* Little Endian. */
direct_msg_handler direct_req;
const char *debug_name;
};
/* Convenience macro to declare a logical partition descriptor. */
#define DECLARE_LOGICAL_PARTITION(_name, _init, _sp_id, _uuid, _properties, \
_direct_req) \
static const struct el3_lp_desc __partition_desc_ ## _name \
__section("el3_lp_descs") __used = { \
.debug_name = #_name, \
.init = (_init), \
.sp_id = (_sp_id), \
.uuid = _uuid, \
.properties = (_properties), \
.direct_req = (_direct_req), \
}
/*******************************************************************************
* Function & variable prototypes.
******************************************************************************/
int el3_sp_desc_validate(void);
uintptr_t handle_el3_sp(uint32_t smc_fid, void *cookie, void *handle,
unsigned int flags);
IMPORT_SYM(uintptr_t, __EL3_LP_DESCS_START__, EL3_LP_DESCS_START);
IMPORT_SYM(uintptr_t, __EL3_LP_DESCS_END__, EL3_LP_DESCS_END);
#define EL3_LP_DESCS_COUNT ((EL3_LP_DESCS_END - EL3_LP_DESCS_START) \
/ sizeof(struct el3_lp_desc))
#endif /* EL3_SP_H */