Line data    Source code

       1              : /**
       2              :  * Copyright (c) 2025 Huawei Technologies Co., Ltd.
       3              :  * This program is free software, you can redistribute it and/or modify it under the terms and conditions of
       4              :  * CANN Open Software License Agreement Version 2.0 (the "License").
       5              :  * Please refer to the License for details. You may not use this file except in compliance with the License.
       6              :  * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED,
       7              :  * INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY, OR FITNESS FOR A PARTICULAR PURPOSE.
       8              :  * See LICENSE in the root of the software repository for the full text of the License.
       9              :  */
      10              : #include "model_config_rt.h"
      11              : #include <stdlib.h>
      12              : #include "log_inner.h"
      13              : 
      14              : #ifdef __cplusplus
      15              : extern "C" {
      16              : #endif
      17              : 
      18              : #define POLICY_MASK_LOW_BIT 0xFF
      19              : #define POLICY_MASK_HIGH_BIT 0xFF00
      20              : 
      21              : struct PageType {
      22              :     uint32_t aclPageType;
      23              :     uint32_t rtPageTypeBit;
      24              : };
      25              : 
      26              : static struct PageType g_pageMap[] = {
      27              :     {ACL_MEM_MALLOC_HUGE_FIRST, RT_MEMORY_POLICY_HUGE_PAGE_FIRST},
      28              :     {ACL_MEM_MALLOC_HUGE_ONLY, RT_MEMORY_POLICY_HUGE_PAGE_ONLY},
      29              :     {ACL_MEM_MALLOC_NORMAL_ONLY, RT_MEMORY_POLICY_DEFAULT_PAGE_ONLY},
      30              :     {ACL_MEM_MALLOC_HUGE_FIRST_P2P, RT_MEMORY_POLICY_HUGE_PAGE_FIRST_P2P},
      31              :     {ACL_MEM_MALLOC_HUGE_ONLY_P2P, RT_MEMORY_POLICY_HUGE_PAGE_ONLY_P2P},
      32              :     {ACL_MEM_MALLOC_NORMAL_ONLY_P2P, RT_MEMORY_POLICY_DEFAULT_PAGE_ONLY_P2P}};
      33              : 
      34           19 : static int Compare(const void* a, const void* b)
      35              : {
      36           19 :     return (int)((*(const struct PageType*)a).aclPageType - (*(const struct PageType*)b).aclPageType);
      37              : }
      38              : 
      39            8 : aclError GetMemTypeFromPolicy(aclrtMemMallocPolicy policy, rtMemType_t* type)
      40              : {
      41            8 :     uint32_t flags = RT_MEMORY_DEFAULT;
      42            8 :     if (((uint32_t)policy & POLICY_MASK_HIGH_BIT) == ACL_MEM_TYPE_LOW_BAND_WIDTH) {
      43            1 :         flags = RT_MEMORY_DDR;
      44            7 :     } else if (((uint32_t)policy & POLICY_MASK_HIGH_BIT) == ACL_MEM_TYPE_HIGH_BAND_WIDTH) {
      45            2 :         flags = RT_MEMORY_HBM;
      46              :     } else {
      47            5 :         ACL_LOG_WARN("invalid policy high bit!");
      48              :     }
      49              : 
      50            8 :     size_t pageMapLen = sizeof(g_pageMap) / sizeof(g_pageMap[0]);
      51            8 :     size_t pagePairLen = sizeof(g_pageMap[0]);
      52            8 :     struct PageType pagePair = {(uint32_t)policy & POLICY_MASK_LOW_BIT, 0};
      53            8 :     struct PageType* searchRet = (struct PageType*)bsearch(&pagePair, g_pageMap, pageMapLen, pagePairLen, Compare);
      54            8 :     if (searchRet == NULL) {
      55            1 :         ACL_LOG_ERROR("invalid policy low bit!");
      56            1 :         return ACL_ERROR_INVALID_PARAM;
      57              :     }
      58            7 :     flags |= (*searchRet).rtPageTypeBit;
      59            7 :     *type = flags;
      60            7 :     return ACL_SUCCESS;
      61              : }
      62              : #ifdef __cplusplus
      63              : }
      64              : #endif