70 lines
1.8 KiB
C++
70 lines
1.8 KiB
C++
// Copyright (c) Vitaliy Filippov, 2019+
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// License: VNPL-1.1 or GNU GPL-2.0+ (see README.md for details)
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#pragma once
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#include <infiniband/verbs.h>
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#include <string>
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#include <vector>
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struct msgr_rdma_address_t
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{
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ibv_gid gid;
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uint16_t lid;
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uint32_t qpn;
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uint32_t psn;
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std::string to_string();
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static bool from_string(const char *str, msgr_rdma_address_t *dest);
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};
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struct msgr_rdma_context_t
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{
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ibv_context *context = NULL;
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ibv_device *dev = NULL;
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ibv_device_attr_ex attrx;
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ibv_pd *pd = NULL;
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bool odp = false;
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ibv_mr *mr = NULL;
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ibv_comp_channel *channel = NULL;
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ibv_cq *cq = NULL;
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ibv_port_attr portinfo;
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uint8_t ib_port;
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uint8_t gid_index;
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uint16_t my_lid;
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ibv_gid my_gid;
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uint32_t mtu;
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int max_cqe = 0;
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int used_max_cqe = 0;
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static msgr_rdma_context_t *create(const char *ib_devname, uint8_t ib_port, uint8_t gid_index, uint32_t mtu, bool odp, int log_level);
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~msgr_rdma_context_t();
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};
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struct msgr_rdma_buf_t
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{
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void *buf = NULL;
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ibv_mr *mr = NULL;
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};
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struct msgr_rdma_connection_t
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{
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msgr_rdma_context_t *ctx = NULL;
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ibv_qp *qp = NULL;
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msgr_rdma_address_t addr;
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int max_send = 0, max_recv = 0, max_sge = 0;
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int cur_send = 0, cur_recv = 0;
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uint64_t max_msg = 0;
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int send_pos = 0, send_buf_pos = 0;
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int next_recv_buf = 0;
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std::vector<msgr_rdma_buf_t> recv_buffers;
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std::vector<uint64_t> send_sizes;
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msgr_rdma_buf_t send_out;
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int send_out_pos = 0, send_done_pos = 0, send_out_size = 0;
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bool send_out_full = false;
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~msgr_rdma_connection_t();
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static msgr_rdma_connection_t *create(msgr_rdma_context_t *ctx, uint32_t max_send, uint32_t max_recv, uint32_t max_sge, uint32_t max_msg);
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int connect(msgr_rdma_address_t *dest);
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};
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