hexl-fpga.h

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// Copyright (C) 2020-2021 Intel Corporation
// SPDX-License-Identifier: Apache-2.0

#ifndef __HEXL_FPGA_H__
#define __HEXL_FPGA_H__

#include <cstdint>

namespace intel {
namespace hexl {
void acquire_FPGA_resources();
void release_FPGA_resources();

// DyadicMultiply Section
void set_worksize_DyadicMultiply(uint64_t ws);
void DyadicMultiply(uint64_t* results, const uint64_t* operand1,
                    const uint64_t* operand2, uint64_t n,
                    const uint64_t* moduli, uint64_t n_moduli);

bool DyadicMultiplyCompleted();

// KeySwitch Section
void set_worksize_KeySwitch(uint64_t ws);
void KeySwitch(uint64_t* result, const uint64_t* t_target_iter_ptr, uint64_t n,
               uint64_t decomp_modulus_size, uint64_t key_modulus_size,
               uint64_t rns_modulus_size, uint64_t key_component_count,
               const uint64_t* moduli, const uint64_t** k_switch_keys,
               const uint64_t* modswitch_factors,
               const uint64_t* twiddle_factors = nullptr);

bool KeySwitchCompleted();

//
// WARNING: The following NTT and INTT related APIs are deprecated since
// version 1.1. //
//
// NTT Section

[[deprecated]] void _set_worksize_NTT(uint64_t ws);
[[deprecated]] void _NTT(uint64_t* operand,
                         const uint64_t* root_of_unity_powers,
                         const uint64_t* precon_root_of_unity_powers,
                         uint64_t coeff_modulus, uint64_t n);
[[deprecated]] bool _NTTCompleted();

// INTT Section
[[deprecated]] void _set_worksize_INTT(uint64_t ws);

[[deprecated]] void _INTT(uint64_t* operand,
                          const uint64_t* inv_root_of_unity_powers,
                          const uint64_t* precon_inv_root_of_unity_powers,
                          uint64_t coeff_modulus, uint64_t inv_n,
                          uint64_t inv_n_w, uint64_t n);

[[deprecated]] bool _INTTCompleted();

}  // namespace hexl
}  // namespace intel

#endif