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 :
11 : #include "hccl_ccu_res.h"
12 :
13 : #include "hccl_comm_pub.h"
14 :
15 : #include "exception_handler.h"
16 :
17 : /**
18 : * @note 职责:集合通信的通信域CCU管理的C接口的C到C++适配
19 : */
20 1 : HcclResult HcclCommAssignCcuIns([[maybe_unused]] HcclComm comm, [[maybe_unused]] CcuInsHandle insHandle)
21 : {
22 1 : return HcclResult::HCCL_E_NOT_SUPPORT;
23 : }
24 :
25 0 : HcclResult HcclCommQueryCcuIns(HcclComm comm,
26 : CcuInsHandle *insHandles, uint32_t *insNum)
27 : {
28 : EXCEPTION_HANDLE_BEGIN
29 :
30 0 : HcclUs startut = TIME_NOW();
31 :
32 0 : CHK_PTR_NULL(comm);
33 0 : auto *hcclComm = static_cast<hccl::hcclComm *>(comm);
34 0 : const auto &commId = hcclComm->GetIdentifier();
35 0 : HCCL_INFO("[%s] CommId[%s] query ccu instance.", __func__, commId.c_str());
36 :
37 0 : CHK_PTR_NULL(insHandles);
38 0 : CHK_PTR_NULL(insNum);
39 :
40 : // CCU不支持A5之前代际
41 0 : if (!hcclComm->IsCommunicatorV2()) {
42 0 : HCCL_WARNING("[%s] is not supported.", __func__);
43 0 : return HcclResult::HCCL_E_NOT_SUPPORT;
44 : }
45 :
46 0 : auto *collComm = hcclComm->GetCollComm();
47 0 : CHK_PTR_NULL(collComm);
48 0 : auto *myRank = collComm->GetMyRank();
49 0 : CHK_PTR_NULL(myRank);
50 :
51 : // 非CCU通信域允许查询,不认为是错误
52 0 : auto ccuInsHandle = myRank->GetCcuInstance();
53 0 : if (ccuInsHandle == 0) {
54 0 : auto opExpansionMode = myRank->GetOpExpansionMode();
55 0 : HCCL_WARNING("[%s] failed to get ccu instance, commId[%s] op expansion mode[%d].",
56 : __func__, commId.c_str(), opExpansionMode);
57 0 : return HcclResult::HCCL_E_UNAVAIL;
58 : }
59 :
60 0 : insHandles[0] = ccuInsHandle;
61 0 : *insNum = 1;
62 0 : HCCL_INFO("[%s] success, take time [%lld]us.",
63 : __func__, DURATION_US(TIME_NOW() - startut));
64 :
65 0 : EXCEPTION_HANDLE_END
66 0 : return HcclResult::HCCL_SUCCESS;
67 : }
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