4d3aa5a8a4
Yes, friends, our favorite PCIE BTL has resurfaced as mgmt vacillates over its existence. This is an updated version that actually mostly works, in its final stages of debugging. Some generalization still remains to be done... This commit was SVN r21358.
93 строки
2.1 KiB
C
93 строки
2.1 KiB
C
/*
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* Copyright (c) 2007 Los Alamos National Security, LLC.
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* All righs reserved.
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* $COPYRIGHT$
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*
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* Additional copyrights may follow
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*
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* $HEADER$
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*/
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#ifndef MCA_BTL_PCIE_ENDPOINT_H
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#define MCA_BTL_PCIE_ENDPOINT_H
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#include "ompi_config.h"
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#include "opal/class/opal_list.h"
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#include "opal/event/event.h"
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#include "ompi/mca/btl/btl.h"
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#include "ompi/mca/pml/pml.h"
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#include "btl_pcie_ddriver.h"
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#include "btl_pcie_frag.h"
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#include "btl_pcie.h"
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#include "btl_pcie_fifo.h"
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BEGIN_C_DECLS
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/**
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* An abstraction that represents a connection to a endpoint process.
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* An instance of mca_btl_base_endpoint_t is associated w/ each process
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* and BTL pair at startup. However, connections to the endpoint
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* are established dynamically on an as-needed basis:
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*/
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struct mca_btl_base_endpoint_t {
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opal_list_item_t super;
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struct mca_btl_pcie_module_t* endpoint_btl;
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/**< BTL instance that created this connection */
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struct mca_btl_pcie_proc_t* endpoint_proc;
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/**< proc structure corresponding to endpoint */
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/** the name of the remote PCIE device */
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char* rem_dev_name;
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/** the name of the local PCIE device */
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char* lcl_dev_name;
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/** the pcie adapter - returned by dd_open */
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DD_adapter_handle pcie_adapter;
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/** local pcie SMA memory for this endpoint */
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char *lcl_sma_ptr;
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/** remote pcie SMA memory for this endpoint */
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char *rem_sma_ptr;
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/** remote fragment starting point (in which to
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* deliver data via "rdma" write
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*/
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char *rem_frag_base;
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char *lcl_frag_base;
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char *lcl_dma_status;
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btl_pcie_fifo_t recv_fifo;
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btl_pcie_fifo_t send_fifo;
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};
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typedef struct mca_btl_base_endpoint_t mca_btl_base_endpoint_t;
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typedef mca_btl_base_endpoint_t mca_btl_pcie_endpoint_t;
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OBJ_CLASS_DECLARATION(mca_btl_pcie_endpoint_t);
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/*
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* Initialize an endpoint
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*/
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int mca_btl_pcie_endpoint_init(mca_btl_base_endpoint_t* endpoint);
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/*
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* Finalize an endpoint
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*/
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int mca_btl_pcie_endpoint_fini(mca_btl_base_endpoint_t* endpoint);
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END_C_DECLS
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#endif /* #ifndef MCA_BTL_PCIE_ENDPOINT_H */
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