/**
 * Copyright (c) 2025 Huawei Technologies Co., Ltd.
 * This file is a part of the CANN Open Software.
 * Licensed under CANN Open Software License Agreement Version 1.0 (the "License").
 * Please refer to the License for details. You may not use this file except in compliance with the License.
 * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED,
 * INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY, OR FITNESS FOR A PARTICULAR PURPOSE.
 * See LICENSE in the root of the software repository for the full text of the License.
 */

/*!
 * \file moe_v2_common.h
 * \brief
 */
#ifndef INNER_MOE_V2_COMMON_H
#define INNER_MOE_V2_COMMON_H

#include "kernel_operator.h"

namespace MoeInitRoutingQuantV2 {
using namespace AscendC;
using namespace optiling;
constexpr int64_t SPLIT_N = 0;
constexpr int64_t SPLIT_K = 1;
constexpr float MIN_FP32 = -3.4e38;
constexpr int64_t ONE_REPEAT_SORT_NUM = 32;
constexpr int64_t BLOCK_BYTES = 32;
constexpr int64_t INT32_ONE_BLOCK_NUM = 8;

constexpr int64_t ASSIST_NUM = 256;
constexpr int64_t ASSIST_INDEX_NUM = 32;

constexpr int64_t MERGE_LIST_TWO = 2;
constexpr int64_t MERGE_LIST_THREE = 3;
constexpr int64_t MERGE_LIST_FOUR = 4;

constexpr int64_t MERGE_LIST_IDX_TWO = 2;
constexpr int64_t MERGE_LIST_IDX_THREE = 3;

constexpr int64_t MAX_EXPERT_NUM = 5120;
constexpr int64_t DROPLESS_MODE = 0;
constexpr int64_t DROP_PAD_MODE = 1;
constexpr int64_t EXERPT_TOKENS_COUNT = 2;
constexpr int64_t EXERPT_TOKENS_CUMSUM = 1;
constexpr int64_t EXERPT_TOKENS_NONE = 0;
constexpr int64_t EXERPT_TOKENS_BEFORE_CAPACITY = 1;
constexpr int64_t ALIGN_512 = 512;
constexpr int64_t ALIGN_128 = 128;

const __gm__ int32_t assist[256] = {
    0,  0, 0, 0, 0, 0, 0, 0, 1,  0, 0, 0, 0, 0, 0, 0, 2,  0, 0, 0, 0, 0, 0, 0, 3,  0, 0, 0, 0, 0, 0, 0,
    4,  0, 0, 0, 0, 0, 0, 0, 5,  0, 0, 0, 0, 0, 0, 0, 6,  0, 0, 0, 0, 0, 0, 0, 7,  0, 0, 0, 0, 0, 0, 0,
    8,  0, 0, 0, 0, 0, 0, 0, 9,  0, 0, 0, 0, 0, 0, 0, 10, 0, 0, 0, 0, 0, 0, 0, 11, 0, 0, 0, 0, 0, 0, 0,
    12, 0, 0, 0, 0, 0, 0, 0, 13, 0, 0, 0, 0, 0, 0, 0, 14, 0, 0, 0, 0, 0, 0, 0, 15, 0, 0, 0, 0, 0, 0, 0,
    16, 0, 0, 0, 0, 0, 0, 0, 17, 0, 0, 0, 0, 0, 0, 0, 18, 0, 0, 0, 0, 0, 0, 0, 19, 0, 0, 0, 0, 0, 0, 0,
    20, 0, 0, 0, 0, 0, 0, 0, 21, 0, 0, 0, 0, 0, 0, 0, 22, 0, 0, 0, 0, 0, 0, 0, 23, 0, 0, 0, 0, 0, 0, 0,
    24, 0, 0, 0, 0, 0, 0, 0, 25, 0, 0, 0, 0, 0, 0, 0, 26, 0, 0, 0, 0, 0, 0, 0, 27, 0, 0, 0, 0, 0, 0, 0,
    28, 0, 0, 0, 0, 0, 0, 0, 29, 0, 0, 0, 0, 0, 0, 0, 30, 0, 0, 0, 0, 0, 0, 0, 31, 0, 0, 0, 0, 0, 0, 0};

__aicore__ inline int64_t Ceil(int64_t a, int64_t b) {
  if (b == 0) {
    return 0;
  }
  return (a + b - 1) / b;
}

__aicore__ inline int64_t Align(int64_t elementNum, int64_t bytes) {
  if (bytes == 0) {
    return 0;
  }
  return (elementNum * bytes + BLOCK_BYTES - 1) / BLOCK_BYTES * BLOCK_BYTES / bytes;
}

__aicore__ inline int64_t AlignBytes(int64_t elementNum, int64_t bytes) {
  return (elementNum * bytes + BLOCK_BYTES - 1) / BLOCK_BYTES * BLOCK_BYTES;
}

template <typename T>
__aicore__ inline T Min(T a, T b) {
  return a > b ? b : a;
}

template <typename T>
__aicore__ inline T Max(T a, T b) {
  return a < b ? b : a;
}

template <HardEvent event>
__aicore__ inline void SetWaitFlag(HardEvent evt) {
  event_t eventId = static_cast<event_t>(GetTPipePtr()->FetchEventID(evt));
  SetFlag<event>(eventId);
  WaitFlag<event>(eventId);
}

}  // namespace MoeInitRoutingQuantV2
#endif  // INNER_MOE_V2_COMMON_H