6310ce955c
- the registration array is now global instead of one by BTL. - each framework have to declare the entries in the registration array reserved. Then it have to define the internal way of sharing (or not) these entries between all components. As an example, the PML will not share as there is only one active PML at any moment, while the BTLs will have to. The tag is 8 bits long, the first 3 are reserved for the framework while the remaining 5 are use internally by each framework. - The registration function is optional. If a BTL do not provide such function, nothing happens. However, in the case where such function is provided in the BTL structure, it will be called by the BML, when a tag is registered. Now, it's time for the second step... Converting OB1 from a switch based PML to an active message one. This commit was SVN r17140.
55 строки
1.3 KiB
C
55 строки
1.3 KiB
C
/*
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* Copyright (c) 2004-2007 The University of Tennessee and The University
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* of Tennessee Research Foundation. All rights
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* 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_ELAN_ENDPOINT_H
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#define MCA_BTL_ELAN_ENDPOINT_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/pml/pml.h"
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#include "ompi/mca/btl/btl.h"
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#include "btl_elan_frag.h"
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#include "btl_elan.h"
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BEGIN_C_DECLS
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/**
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* State of ELAN endpoint connection.
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*/
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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_elan_module_t* endpoint_btl;
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/**< BTL instance that created this connection */
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struct mca_btl_elan_proc_t* endpoint_proc;
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/**< proc structure corresponding to endpoint */
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unsigned int elan_vp;
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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_elan_endpoint_t;
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OBJ_CLASS_DECLARATION(mca_btl_elan_endpoint_t);
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END_C_DECLS
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#endif /* MCA_BTL_ELAN_ENDPOINT_H */
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