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/*
* Copyright (c) 2018-2020, Arm Limited. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#ifndef FFA_HELPERS_H
#define FFA_HELPERS_H
#include <ffa_svc.h>
#include <tftf_lib.h>
#include <utils_def.h>
/* This error code must be different to the ones used by FFA */
#define FFA_TFTF_ERROR -42
/* Hypervisor ID at physical FFA instance */
#define HYP_ID (0)
/* By convention, SP IDs (as opposed to VM IDs) have bit 15 set */
#define SP_ID(x) ((x) | (1 << 15))
typedef unsigned short ffa_vm_id_t;
typedef unsigned short ffa_vm_count_t;
typedef unsigned short ffa_vcpu_count_t;
#ifndef __ASSEMBLY__
#include <stdint.h>
struct mailbox_buffers {
const void *recv;
void *send;
};
struct ffa_partition_info {
/** The ID of the VM the information is about */
ffa_vm_id_t id;
/** The number of execution contexts implemented by the partition */
uint16_t exec_context;
/** The Partition's properties, e.g. supported messaging methods */
uint32_t properties;
};
/*
* TODO: In the future this file should be placed in a common folder, and not
* under tftf. The functions in this file are also used by SPs for SPM tests.
*/
bool check_spmc_execution_level(void);
smc_ret_values ffa_msg_send_direct_req(uint32_t source_id, uint32_t dest_id, uint32_t message);
smc_ret_values ffa_msg_send_direct_req64(uint32_t source_id, uint32_t dest_id, uint64_t message);
smc_ret_values ffa_run(uint32_t dest_id, uint32_t vcpu_id);
smc_ret_values ffa_version(uint32_t input_version);
smc_ret_values ffa_id_get(void);
smc_ret_values ffa_msg_wait(void);
smc_ret_values ffa_msg_send_direct_resp(ffa_vm_id_t source_id,
ffa_vm_id_t dest_id, uint32_t message);
smc_ret_values ffa_error(int32_t error_code);
smc_ret_values ffa_features(uint32_t feature);
smc_ret_values ffa_partition_info_get(const uint32_t uuid[4]);
smc_ret_values ffa_rx_release(void);
#endif /* __ASSEMBLY__ */
#endif /* FFA_HELPERS_H */
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