2010-07-13 14:46:20 +04:00
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/*
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* Copyright (c) 2010 Oracle and/or its affiliates. All rights 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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/**
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* @file
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* Functions that implement failover capabilities.
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*/
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#ifndef MCA_PML_BFO_FAILOVER_H
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#define MCA_PML_BFO_FAILOVER_H
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#include "ompi/mca/btl/btl.h"
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#include "pml_bfo_hdr.h"
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BEGIN_C_DECLS
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bool mca_pml_bfo_is_duplicate_msg(mca_pml_bfo_comm_proc_t* proc,
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mca_pml_bfo_match_hdr_t *hdr);
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bool mca_pml_bfo_is_duplicate_fin(mca_pml_bfo_hdr_t* hdr, mca_btl_base_descriptor_t* rdma,
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mca_btl_base_module_t* btl);
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mca_pml_bfo_recv_request_t* mca_pml_bfo_get_request(mca_pml_bfo_match_hdr_t *hdr);
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void mca_pml_bfo_send_request_restart(mca_pml_bfo_send_request_t* sendreq,
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bool repost, mca_btl_base_tag_t tag);
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void mca_pml_bfo_send_request_rndvrestartnotify(mca_pml_bfo_send_request_t* sendreq,
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bool repost, mca_btl_base_tag_t tag, int status,
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mca_btl_base_module_t* btl);
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void
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mca_pml_bfo_rndvrestartnotify_completion(mca_btl_base_module_t* btl,
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struct mca_btl_base_endpoint_t* ep,
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struct mca_btl_base_descriptor_t* des,
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int status);
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void
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mca_pml_bfo_check_recv_ctl_completion_status(mca_btl_base_module_t* btl,
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struct mca_btl_base_descriptor_t* des,
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int status);
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/* Reset a receive request to the beginning */
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void mca_pml_bfo_recv_request_reset(mca_pml_bfo_recv_request_t* recvreq);
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/* Notify sender that receiver detected an error */
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void mca_pml_bfo_recv_request_recverrnotify(mca_pml_bfo_recv_request_t* recvreq,
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mca_btl_base_tag_t tag, int status);
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/* Ack the RNDVRESTARTNOTIFY message */
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void mca_pml_bfo_recv_request_rndvrestartack(mca_pml_bfo_recv_request_t* recvreq,
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mca_btl_base_tag_t tag, int status,
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mca_btl_base_module_t* btl);
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/* Nack the RNDVRESTARTNOTIFY message */
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void mca_pml_bfo_recv_request_rndvrestartnack(mca_btl_base_descriptor_t* olddes,
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ompi_proc_t* ompi_proc, bool repost);
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void mca_pml_bfo_recv_restart_completion(mca_btl_base_module_t* btl,
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struct mca_btl_base_endpoint_t* ep,
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struct mca_btl_base_descriptor_t* des,
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int status);
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void mca_pml_bfo_failover_error_handler(struct mca_btl_base_module_t* btl,
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int32_t flags, ompi_proc_t *errproc, char *btlname);
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void mca_pml_bfo_repost_match_fragment(struct mca_btl_base_descriptor_t* des);
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void mca_pml_bfo_repost_fin(struct mca_btl_base_descriptor_t* des);
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void mca_pml_bfo_map_out_btl(struct mca_btl_base_module_t* btl,
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ompi_proc_t *errproc, char *btlname);
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extern void mca_pml_bfo_map_out( mca_btl_base_module_t *btl,
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mca_btl_base_tag_t tag,
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mca_btl_base_descriptor_t* descriptor,
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void* cbdata );
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2010-09-29 17:46:45 +04:00
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int mca_pml_bfo_register_callbacks(void);
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2010-07-13 14:46:20 +04:00
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2010-10-12 17:34:35 +04:00
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void mca_pml_bfo_update_rndv_fields(mca_pml_bfo_hdr_t* hdr,
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mca_pml_bfo_send_request_t*, char *type);
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2010-10-19 21:46:51 +04:00
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void mca_pml_bfo_update_bml_btl(mca_bml_base_btl_t** bml_btl, mca_btl_base_module_t* btl,
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struct mca_btl_base_descriptor_t* des);
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void mca_pml_bfo_find_recvreq_eager_bml_btl(mca_bml_base_btl_t** bml_btl,
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mca_btl_base_module_t* btl,
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mca_pml_bfo_recv_request_t* recvreq,
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char* type);
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void mca_pml_bfo_find_sendreq_eager_bml_btl(mca_bml_base_btl_t** bml_btl,
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mca_btl_base_module_t* btl,
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mca_pml_bfo_send_request_t* sendreq,
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char* type);
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void mca_pml_bfo_find_sendreq_rdma_bml_btl(mca_bml_base_btl_t** bml_btl,
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mca_btl_base_module_t* btl,
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mca_pml_bfo_send_request_t* sendreq,
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char* type);
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void mca_pml_bfo_update_eager_bml_btl_recv_ctl(mca_bml_base_btl_t** bml_btl,
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mca_btl_base_module_t* btl,
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struct mca_btl_base_descriptor_t* des);
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void mca_pml_bfo_find_recvreq_rdma_bml_btl(mca_bml_base_btl_t** bml_btl,
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mca_btl_base_module_t* btl,
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mca_pml_bfo_recv_request_t* recvreq,
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char* type);
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2010-07-13 14:46:20 +04:00
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2010-10-22 22:13:35 +04:00
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bool mca_pml_bfo_rndv_completion_status_error(struct mca_btl_base_descriptor_t* des,
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mca_pml_bfo_send_request_t* sendreq);
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void mca_pml_bfo_send_ctl_completion_status_error(struct mca_btl_base_descriptor_t* des);
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void mca_pml_bfo_completion_sendreq_has_error(mca_pml_bfo_send_request_t* sendreq,
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int status,
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mca_btl_base_module_t* btl,
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int type,
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char *description);
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2010-07-13 14:46:20 +04:00
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/**
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* Four new callbacks for the four new message types.
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*/
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extern void mca_pml_bfo_recv_frag_callback_rndvrestartnotify( mca_btl_base_module_t *btl,
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mca_btl_base_tag_t tag,
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mca_btl_base_descriptor_t* descriptor,
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void* cbdata );
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extern void mca_pml_bfo_recv_frag_callback_rndvrestartack( mca_btl_base_module_t *btl,
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mca_btl_base_tag_t tag,
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mca_btl_base_descriptor_t* descriptor,
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void* cbdata );
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extern void mca_pml_bfo_recv_frag_callback_rndvrestartnack( mca_btl_base_module_t *btl,
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mca_btl_base_tag_t tag,
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mca_btl_base_descriptor_t* descriptor,
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void* cbdata );
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extern void mca_pml_bfo_recv_frag_callback_recverrnotify( mca_btl_base_module_t *btl,
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mca_btl_base_tag_t tag,
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mca_btl_base_descriptor_t* descriptor,
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void* cbdata );
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2010-09-29 17:46:45 +04:00
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/**
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* A bunch of macros to help isolate failover code from regular ob1 code.
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*/
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/* Drop any ACK fragments if request is in error state. Do not want
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* to initiate any more activity. */
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#define MCA_PML_BFO_ERROR_CHECK_ON_ACK_CALLBACK(sendreq) \
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if( OPAL_UNLIKELY((sendreq)->req_error)) { \
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opal_output_verbose(20, mca_pml_bfo_output, \
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"ACK: received: dropping because request in error, " \
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"PML=%d, RQS=%d, src_req=%p, dst_req=%p, peer=%d", \
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(uint16_t)(sendreq)->req_send.req_base.req_sequence, \
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(sendreq)->req_restartseq, \
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(void *)(sendreq), (sendreq)->req_recv.pval, \
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(sendreq)->req_send.req_base.req_peer); \
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return; \
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}
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/* Drop any FRAG fragments if request is in error state. Do not want
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* to initiate any more activity. */
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#define MCA_PML_BFO_ERROR_CHECK_ON_FRAG_CALLBACK(recvreq) \
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if( OPAL_UNLIKELY((recvreq)->req_errstate)) { \
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opal_output_verbose(20, mca_pml_bfo_output, \
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"FRAG: received: dropping because request in error, " \
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"PML=%d, src_req=%p, dst_req=%p, peer=%d, offset=%d", \
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(uint16_t)(recvreq)->req_msgseq, \
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(recvreq)->remote_req_send.pval, \
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(void *)(recvreq), \
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(recvreq)->req_recv.req_base.req_ompi.req_status.MPI_SOURCE, \
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(int)hdr->hdr_frag.hdr_frag_offset); \
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return; \
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}
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/* Drop any PUT fragments if request is in error state. Do not want
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* to initiate any more activity. */
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#define MCA_PML_BFO_ERROR_CHECK_ON_PUT_CALLBACK(sendreq) \
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if( OPAL_UNLIKELY((sendreq)->req_error)) { \
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opal_output_verbose(20, mca_pml_bfo_output, \
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"PUT: received: dropping because request in error, " \
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"PML=%d, src_req=%p, dst_req=%p, peer=%d", \
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(uint16_t)(sendreq)->req_send.req_base.req_sequence, \
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(void *)(sendreq), (sendreq)->req_recv.pval, \
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(sendreq)->req_send.req_base.req_peer); \
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return; \
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}
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/**
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* Macros for pml_bfo_recvreq.c file.
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*/
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/* This can happen if a FIN message arrives after the request was
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* marked in error. So, just drop the message. Note that the status
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* field is not being checked. That is because the status field is the
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* value returned in the FIN hdr.hdr_fail field and may be used for
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* other things. Note that we allow the various fields to be updated
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* in case this actually completes the request and the sending side
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* thinks it is done. */
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#define MCA_PML_BFO_ERROR_CHECK_ON_FIN_FOR_PUT(recvreq) \
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if( OPAL_UNLIKELY((recvreq)->req_errstate)) { \
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opal_output_verbose(20, mca_pml_bfo_output, \
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"FIN: received on broken request, skipping, " \
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"PML=%d, RQS=%d, src_req=%p, dst_req=%p, peer=%d", \
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(recvreq)->req_msgseq, (recvreq)->req_restartseq, \
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(recvreq)->remote_req_send.pval, (void *)(recvreq), \
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(recvreq)->req_recv.req_base.req_ompi.req_status.MPI_SOURCE); \
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/* Even though in error, it still might complete. */ \
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recv_request_pml_complete_check(recvreq); \
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return; \
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}
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#define MCA_PML_BFO_ERROR_CHECK_ON_RDMA_READ_COMPLETION(recvreq) \
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if ((recvreq)->req_errstate) { \
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opal_output_verbose(30, mca_pml_bfo_output, \
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"RDMA read: completion failed, error already seen, " \
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"PML=%d, RQS=%d, src_req=%lx, dst_req=%lx, peer=%d", \
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(recvreq)->req_msgseq, (recvreq)->req_restartseq, \
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(unsigned long)(recvreq)->remote_req_send.pval, \
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(unsigned long)(recvreq), \
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(recvreq)->req_recv.req_base.req_ompi.req_status.MPI_SOURCE); \
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return; \
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} else { \
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opal_output_verbose(30, mca_pml_bfo_output, \
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"RDMA read: completion failed, sending RECVERRNOTIFY to " \
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"sender, PML=%d, RQS=%d, src_req=%lx, dst_req=%lx, peer=%d", \
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(recvreq)->req_msgseq, (recvreq)->req_restartseq, \
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(unsigned long)(recvreq)->remote_req_send.pval, \
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(unsigned long)(recvreq), \
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(recvreq)->req_recv.req_base.req_ompi.req_status.MPI_SOURCE); \
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mca_pml_bfo_recv_request_recverrnotify(recvreq, MCA_PML_BFO_HDR_TYPE_RGET, status); \
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2010-10-12 17:34:35 +04:00
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}
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#define MCA_PML_BFO_SECOND_ERROR_CHECK_ON_RDMA_READ_COMPLETION(recvreq, status, btl) \
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/* See if the request has received a RNDVRESTARTNOTIFY */ \
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if( OPAL_UNLIKELY(recvreq->req_errstate)) { \
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if (recvreq->req_errstate & RECVREQ_RNDVRESTART_RECVED) { \
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opal_output_verbose(30, mca_pml_bfo_output, \
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"RDMA read: completion: recvreq has error, outstanding events=%d " \
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"PML=%d, RQS=%d, src_req=%lx, dst_req=%lx, status=%d, peer=%d", \
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recvreq->req_events, recvreq->req_msgseq, recvreq->req_restartseq, \
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(unsigned long)recvreq->remote_req_send.pval, \
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(unsigned long)recvreq, status, \
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recvreq->req_recv.req_base.req_ompi.req_status.MPI_SOURCE); \
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if (0 == recvreq->req_events) { \
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mca_pml_bfo_recv_request_rndvrestartack(recvreq, MCA_PML_BFO_HDR_TYPE_RGET, \
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status, btl); \
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} \
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} \
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MCA_PML_BFO_RDMA_FRAG_RETURN(frag); \
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return; \
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}
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/**
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* Macros for pml_bfo_sendreq.c file.
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*/
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2010-11-02 23:11:47 +03:00
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/* This macro is called on the sending side after receiving
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* a PUT message. There is a chance that this PUT message
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* has shown up and is attempting to modify the state of
|
|
|
|
|
* the req_state, but the req_state is no longer being tracked
|
|
|
|
|
* because the RNDV message has turned into a RGET message
|
|
|
|
|
* because it got an error on the RNDV completion.
|
|
|
|
|
*/
|
|
|
|
|
#define MCA_PML_BFO_VERIFY_SENDREQ_REQ_STATE_VALUE(sendreq) \
|
|
|
|
|
if (sendreq->req_state == -1) { \
|
|
|
|
|
OPAL_THREAD_ADD32(&sendreq->req_state, 1); \
|
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|
|
|
}
|
|
|
|
|
|
2010-10-12 17:34:35 +04:00
|
|
|
/* Now check the error state. This request can be in error if the
|
|
|
|
|
* RNDV message made it over, but the receiver got an error trying to
|
|
|
|
|
* send the ACK back and therefore sent a RECVERRNOTIFY message. In
|
|
|
|
|
* that case, we want to start the restart dance as the receiver has
|
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|
|
|
* matched this message already. Only restart if there are no
|
|
|
|
|
* outstanding events on send request. */
|
2010-10-22 22:13:35 +04:00
|
|
|
#define MCA_PML_BFO_RNDV_COMPLETION_SENDREQ_ERROR_CHECK(sendreq, status, btl, type, description) \
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|
|
if( OPAL_UNLIKELY ((sendreq)->req_error)) { \
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|
mca_pml_bfo_completion_sendreq_has_error(sendreq, status, \
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|
|
|
btl, type, description); \
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|
|
return; \
|
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|
|
|
}
|
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|
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|
|
|
/**
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|
|
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|
* This macro is called within the frag completion function in two
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|
|
|
|
* places. It is called to see if any errors occur prior to the
|
|
|
|
|
* completion event on the frag. It is then called a second time
|
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|
|
* after the scheduling routine is called as the scheduling routine
|
|
|
|
|
* may have detected that a BTL that was cached on the request had
|
|
|
|
|
* been removed and therefore marked the request in error. In that
|
|
|
|
|
* case, the scheduling of fragments can no longer proceed properly,
|
|
|
|
|
* and if there are no outstanding events, iniated the restart dance.
|
|
|
|
|
*/
|
|
|
|
|
#define MCA_PML_BFO_FRAG_COMPLETION_SENDREQ_ERROR_CHECK(sendreq, status, btl, type, description) \
|
|
|
|
|
if( OPAL_UNLIKELY((sendreq)->req_error)) { \
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|
|
|
|
mca_pml_bfo_completion_sendreq_has_error(sendreq, status, \
|
|
|
|
|
btl, type, description); \
|
2010-10-12 17:34:35 +04:00
|
|
|
return; \
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* This can happen if a FIN message arrives after the request was
|
|
|
|
|
* marked in error. So, just drop the message. Note that the status
|
|
|
|
|
* field is not checked here. That is because that is the value
|
|
|
|
|
* returned in the FIN hdr.hdr_fail field and may be used for other
|
|
|
|
|
* things. */
|
2010-10-22 22:13:35 +04:00
|
|
|
#define MCA_PML_BFO_RGET_COMPLETION_SENDREQ_ERROR_CHECK(sendreq, btl, des) \
|
2010-10-12 17:34:35 +04:00
|
|
|
if( OPAL_UNLIKELY(sendreq->req_error)) { \
|
|
|
|
|
opal_output_verbose(30, mca_pml_bfo_output, \
|
|
|
|
|
"FIN: received on broken request, skipping, " \
|
|
|
|
|
"PML=%d, src_req=%lx, dst_req=%lx, peer=%d", \
|
|
|
|
|
(uint16_t)sendreq->req_send.req_base.req_sequence, \
|
|
|
|
|
(unsigned long)sendreq, (unsigned long)sendreq->req_recv.pval, \
|
|
|
|
|
sendreq->req_send.req_base.req_peer); \
|
|
|
|
|
btl->btl_free(btl, des); \
|
|
|
|
|
return; \
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/* Check if there has been an error on the send request when we get
|
|
|
|
|
* a completion event on the RDMA write. */
|
2010-10-22 22:13:35 +04:00
|
|
|
#define MCA_PML_BFO_PUT_COMPLETION_SENDREQ_ERROR_CHECK(sendreq, status, btl) \
|
|
|
|
|
if ( OPAL_UNLIKELY(sendreq->req_error)) { \
|
|
|
|
|
mca_pml_bfo_completion_sendreq_has_error(sendreq, status, btl, \
|
|
|
|
|
MCA_PML_BFO_HDR_TYPE_PUT, "RDMA write"); \
|
|
|
|
|
MCA_PML_BFO_RDMA_FRAG_RETURN(frag); \
|
|
|
|
|
return; \
|
2010-10-12 17:34:35 +04:00
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#define MCA_PML_BFO_CHECK_FOR_RNDV_RESTART(hdr, sendreq, type) \
|
|
|
|
|
if (0 < sendreq->req_restartseq) { \
|
|
|
|
|
mca_pml_bfo_update_rndv_fields(hdr, sendreq, type); \
|
|
|
|
|
}
|
2010-09-29 17:46:45 +04:00
|
|
|
|
2010-10-19 21:46:51 +04:00
|
|
|
/* If a bml_btl gets mapped out, then we need to adjust it based
|
|
|
|
|
* on the btl from the callback function. These macros are called on
|
|
|
|
|
* every callback to make sure things are copacetic.
|
|
|
|
|
*/
|
|
|
|
|
#define MCA_PML_BFO_CHECK_EAGER_BML_BTL_ON_FIN_COMPLETION(bml_btl, btl, des) \
|
|
|
|
|
if (bml_btl->btl != btl) { \
|
|
|
|
|
ompi_proc_t *proc = (ompi_proc_t*) des->des_cbdata; \
|
|
|
|
|
mca_bml_base_endpoint_t* bml_endpoint = (mca_bml_base_endpoint_t*) proc->proc_bml; \
|
|
|
|
|
bml_btl = mca_bml_base_btl_array_find(&bml_endpoint->btl_eager, btl); \
|
|
|
|
|
}
|
|
|
|
|
#define MCA_PML_BFO_CHECK_SENDREQ_EAGER_BML_BTL(bml_btl, btl, sendreq, type) \
|
|
|
|
|
if (bml_btl->btl != btl) { \
|
|
|
|
|
mca_pml_bfo_find_sendreq_eager_bml_btl(&bml_btl, btl, sendreq, type); \
|
|
|
|
|
}
|
|
|
|
|
#define MCA_PML_BFO_CHECK_SENDREQ_RDMA_BML_BTL(bml_btl, btl, sendreq, type) \
|
|
|
|
|
if (bml_btl->btl != btl) { \
|
|
|
|
|
mca_pml_bfo_find_sendreq_rdma_bml_btl(&bml_btl, btl, sendreq, type); \
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#define MCA_PML_BFO_CHECK_RECVREQ_EAGER_BML_BTL(bml_btl, btl, recvreq, type) \
|
|
|
|
|
if (bml_btl->btl != btl) { \
|
|
|
|
|
mca_pml_bfo_find_recvreq_eager_bml_btl(&bml_btl, btl, recvreq, type); \
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#define MCA_PML_BFO_CHECK_RECVREQ_RDMA_BML_BTL(bml_btl, btl, recvreq, type) \
|
|
|
|
|
if (bml_btl->btl != btl) { \
|
|
|
|
|
mca_pml_bfo_find_recvreq_rdma_bml_btl(&bml_btl, btl, recvreq, type); \
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#define MCA_PML_BFO_CHECK_RECVREQ_EAGER_BML_BTL_RECV_CTL(bml_btl, btl, des) \
|
|
|
|
|
if (bml_btl->btl != btl) { \
|
|
|
|
|
mca_pml_bfo_update_eager_bml_btl_recv_ctl(&bml_btl, btl, des); \
|
|
|
|
|
}
|
2010-07-13 14:46:20 +04:00
|
|
|
|
2010-10-22 22:13:35 +04:00
|
|
|
#define MCA_PML_BFO_CHECK_FOR_REMOVED_BML(sendreq, frag, btl) \
|
|
|
|
|
if( OPAL_UNLIKELY(NULL == frag->rdma_bml) ) { \
|
|
|
|
|
opal_output_verbose(30, mca_pml_bfo_output, \
|
|
|
|
|
"PUT received: no matching BTL to RDMA write to, oustanding " \
|
|
|
|
|
"events=%d, PML=%d, RQS=%d, src_req=%p, dst_req=%p, peer=%d", \
|
|
|
|
|
sendreq->req_events, \
|
|
|
|
|
(uint16_t)sendreq->req_send.req_base.req_sequence, \
|
|
|
|
|
sendreq->req_restartseq, (void *)sendreq, \
|
|
|
|
|
sendreq->req_recv.pval, sendreq->req_send.req_base.req_peer); \
|
|
|
|
|
MCA_PML_BFO_RDMA_FRAG_RETURN(frag); \
|
|
|
|
|
sendreq->req_error++; \
|
|
|
|
|
if (0 == sendreq->req_events) { \
|
|
|
|
|
mca_pml_bfo_send_request_rndvrestartnotify(sendreq, false, \
|
|
|
|
|
MCA_PML_BFO_HDR_TYPE_PUT, \
|
|
|
|
|
OMPI_ERROR, btl); \
|
|
|
|
|
} \
|
|
|
|
|
return; \
|
|
|
|
|
}
|
|
|
|
|
|
2010-11-04 22:35:25 +03:00
|
|
|
/* This macro checks to see if the cached number of BTLs in the
|
|
|
|
|
* send request still matches the value from the endpoint.
|
|
|
|
|
* If it does not, this means that a BTL was removed from the
|
|
|
|
|
* available list. In this case, start the request over.
|
|
|
|
|
*/
|
|
|
|
|
#define MCA_PML_BFO_CHECK_FOR_REMOVED_BTL(sendreq, range) \
|
|
|
|
|
if ((int)mca_bml_base_btl_array_get_size(&sendreq->req_endpoint->btl_send) \
|
|
|
|
|
!= range->range_btl_cnt) { \
|
|
|
|
|
sendreq->req_error++; \
|
|
|
|
|
return OMPI_ERROR; \
|
|
|
|
|
}
|
2010-10-22 22:13:35 +04:00
|
|
|
|
|
|
|
|
|
2010-07-13 14:46:20 +04:00
|
|
|
END_C_DECLS
|
|
|
|
|
|
|
|
|
|
#endif
|
