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 "ipc_remote_notify.h"
11 : #include "exchange_ipc_notify_dto.h"
12 : #include "dev_capability.h"
13 : namespace Hccl {
14 :
15 2 : IpcRemoteNotify::IpcRemoteNotify() : BaseRemoteNotify(RmaType::IPC) {}
16 :
17 0 : IpcRemoteNotify::IpcRemoteNotify(const Serializable& rmtDto) : BaseRemoteNotify(RmaType::IPC)
18 : {
19 0 : auto dto = dynamic_cast<const ExchangeIpcNotifyDto&>(rmtDto);
20 0 : rmtPid = dto.pid;
21 0 : handleAddr = dto.handleAddr;
22 0 : id = dto.id;
23 0 : devUsed = dto.devUsed;
24 0 : rmtDevPhyId = dto.devPhyId;
25 0 : (void)memcpy_s(name, RTS_IPC_MEM_NAME_LEN, dto.name, RTS_IPC_MEM_NAME_LEN);
26 :
27 : // OpenIpc
28 0 : u32 myPid = HrtDeviceGetBareTgid();
29 0 : if (rmtPid == myPid) {
30 0 : handle = reinterpret_cast<void*>(handleAddr);
31 : } else {
32 0 : if (devUsed) {
33 0 : handle = HrtIpcOpenNotifyWithFlag(name, RT_NOTIFY_FLAG_DOWNLOAD_TO_DEV);
34 : } else {
35 0 : handle = HrtIpcOpenNotify(name);
36 : }
37 : }
38 0 : addr = HrtNotifyGetAddr(handle);
39 0 : size = DevCapability::GetInstance().GetNotifySize();
40 0 : HCCL_INFO(
41 : "IpcRemoteNotify[name=%s, handleAddr=0x%llx, id=%u, rmtPid=%u, rmtDevPhyId=%u, devUsed=%d, addr=0x%llx, "
42 : "handle=%p]",
43 : name, handleAddr, id, rmtPid, rmtDevPhyId, devUsed, addr, handle);
44 0 : }
45 :
46 0 : void IpcRemoteNotify::Post(const Stream& stream) const { HrtNotifyRecord(handle, stream.GetPtr()); }
47 :
48 1 : string IpcRemoteNotify::Describe() const
49 : {
50 : return StringFormat(
51 : "IpcRemoteNotify[name=%s, handleAddr=0x%llx, id=%u, rmtPid=%u, rmtDevPhyId=%u, devUsed=%d, "
52 : "handle=%p, addr=0x%llx, size=%llu]",
53 1 : name, handleAddr, id, rmtPid, rmtDevPhyId, devUsed, handle, addr, size);
54 : }
55 :
56 : } // namespace Hccl
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