Elena Sakhnovitch
50ea68e694
API provides min/max bandwidth values between nodes. (Current implementation only supports directly (1 hop) connected XGMI devices. Signed-off-by: Elena Sakhnovitch Change-Id: Ifc95da13845fbe7903c5386d320183ffd58c5b53
138 linhas
4.7 KiB
C++
Ficheiro executável
138 linhas
4.7 KiB
C++
Ficheiro executável
/*
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* =============================================================================
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* The University of Illinois/NCSA
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* Open Source License (NCSA)
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*
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* Copyright (c) 2020, Advanced Micro Devices, Inc.
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* All rights reserved.
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*
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* Developed by:
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*
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* AMD Research and AMD ROC Software Development
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*
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* Advanced Micro Devices, Inc.
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*
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* www.amd.com
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal with the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* - Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimers.
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* - Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimers in
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* the documentation and/or other materials provided with the distribution.
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* - Neither the names of <Name of Development Group, Name of Institution>,
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* nor the names of its contributors may be used to endorse or promote
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* products derived from this Software without specific prior written
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* permission.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE CONTRIBUTORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS WITH THE SOFTWARE.
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*
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*/
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#ifndef INCLUDE_ROCM_SMI_ROCM_SMI_IO_LINK_H_
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#define INCLUDE_ROCM_SMI_ROCM_SMI_IO_LINK_H_
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#include <string>
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#include <vector>
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#include <unordered_set>
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#include <memory>
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#include <map>
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#include <utility>
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#include "rocm_smi/rocm_smi.h"
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namespace amd {
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namespace smi {
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typedef enum _IO_LINK_TYPE {
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IOLINK_TYPE_UNDEFINED = 0,
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IOLINK_TYPE_HYPERTRANSPORT = 1,
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IOLINK_TYPE_PCIEXPRESS = 2,
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IOLINK_TYPE_AMBA = 3,
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IOLINK_TYPE_MIPI = 4,
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IOLINK_TYPE_QPI_1_1 = 5,
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IOLINK_TYPE_RESERVED1 = 6,
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IOLINK_TYPE_RESERVED2 = 7,
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IOLINK_TYPE_RAPID_IO = 8,
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IOLINK_TYPE_INFINIBAND = 9,
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IOLINK_TYPE_RESERVED3 = 10,
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IOLINK_TYPE_XGMI = 11,
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IOLINK_TYPE_XGOP = 12,
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IOLINK_TYPE_GZ = 13,
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IOLINK_TYPE_ETHERNET_RDMA = 14,
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IOLINK_TYPE_RDMA_OTHER = 15,
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IOLINK_TYPE_OTHER = 16,
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IOLINK_TYPE_NUMIOLINKTYPES,
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IOLINK_TYPE_SIZE = 0xFFFFFFFF
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} IO_LINK_TYPE;
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typedef enum _LINK_DIRECTORY_TYPE {
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IO_LINK_DIRECTORY = 0,
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P2P_LINK_DIRECTORY = 1
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} LINK_DIRECTORY_TYPE;
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class IOLink {
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public:
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explicit IOLink(uint32_t node_indx, uint32_t link_indx, LINK_DIRECTORY_TYPE link_dir_type) :
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node_indx_(node_indx), link_indx_(link_indx), link_dir_type_(link_dir_type) {}
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~IOLink();
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int Initialize();
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int ReadProperties(void);
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int get_property_value(std::string property, uint64_t *value);
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uint32_t get_node_indx(void) const {return node_indx_;}
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uint32_t get_link_indx(void) const {return link_indx_;}
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IO_LINK_TYPE type(void) const {return type_;}
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uint32_t node_from(void) const {return node_from_;}
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uint32_t node_to(void) const {return node_to_;}
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uint64_t weight(void) const {return weight_;}
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LINK_DIRECTORY_TYPE get_directory_type(void) const {return link_dir_type_;}
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uint64_t min_bandwidth(void) const {return min_bandwidth_;}
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uint64_t max_bandwidth(void) const {return max_bandwidth_;}
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private:
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uint32_t node_indx_;
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uint32_t link_indx_;
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IO_LINK_TYPE type_;
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uint32_t node_from_;
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uint32_t node_to_;
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uint64_t weight_;
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uint64_t min_bandwidth_;
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uint64_t max_bandwidth_;
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std::map<std::string, uint64_t> properties_;
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LINK_DIRECTORY_TYPE link_dir_type_;
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};
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int
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DiscoverIOLinksPerNode(uint32_t node_indx, std::map<uint32_t,
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std::shared_ptr<IOLink>> *links);
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int
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DiscoverP2PLinksPerNode(uint32_t node_indx, std::map<uint32_t,
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std::shared_ptr<IOLink>> *links);
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int
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DiscoverIOLinks(std::map<std::pair<uint32_t, uint32_t>,
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std::shared_ptr<IOLink>> *links);
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int
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DiscoverP2PLinks(std::map<std::pair<uint32_t, uint32_t>,
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std::shared_ptr<IOLink>> *links);
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} // namespace smi
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} // namespace amd
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#endif // INCLUDE_ROCM_SMI_ROCM_SMI_IO_LINK_H_
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