e819b5a34a
We don't use this functionality any more; we use the transport_type and device name to identify usnic devices. It's slightly easier because we can transport_type+name from ibv_device_open() and don't have to do an additional ibv_query_device() to get its attributes. Reviewed by Dave Goodell. cmr=v1.7.5:reviewer=ompi-rm1.7 This commit was SVN r30882.
237 строки
6.9 KiB
C
237 строки
6.9 KiB
C
/*
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* Copyright (c) 2004-2008 The Trustees of Indiana University and Indiana
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* University Research and Technology
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* Corporation. All rights reserved.
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* Copyright (c) 2004-2011 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 (c) 2004-2005 High Performance Computing Center Stuttgart,
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* University of Stuttgart. All rights reserved.
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* Copyright (c) 2004-2005 The Regents of the University of California.
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* All rights reserved.
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* Copyright (c) 2006 Sandia National Laboratories. All rights
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* reserved.
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* Copyright (c) 2011-2014 Cisco Systems, Inc. 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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*/
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#ifndef OMPI_BTL_USNIC_H
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#define OMPI_BTL_USNIC_H
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#include "ompi_config.h"
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#include <sys/types.h>
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#include <infiniband/verbs.h>
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#include "opal_stdint.h"
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#include "opal/util/alfg.h"
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#include "opal/class/opal_hash_table.h"
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#include "opal/class/opal_hash_table.h"
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#include "opal/mca/event/event.h"
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#include "ompi/class/ompi_free_list.h"
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#include "ompi/mca/btl/btl.h"
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#include "ompi/mca/btl/base/btl_base_error.h"
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#include "ompi/mca/btl/base/base.h"
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#include "ompi/mca/mpool/grdma/mpool_grdma.h"
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#include "btl_usnic_libnl_utils.h"
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#include "btl_usnic_compat.h"
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BEGIN_C_DECLS
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/*
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* We're simulating a clock as best we can without resorting to the
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* system. The clock is used to defer ACKs, and ticks will be incremented
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* when progression gets called. It could be incremented by different amounts
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* at other times as needed or as tuning dictates.
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*/
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extern uint64_t ompi_btl_usnic_ticks;
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static inline uint64_t
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get_nsec(void)
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{
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return ompi_btl_usnic_ticks;
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}
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/* RNG buffer declaration */
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extern opal_rng_buff_t ompi_btl_usnic_rand_buff;
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#ifndef container_of
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#define container_of(ptr, type, member) ( \
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(type *)( ((char *)(ptr)) - offsetof(type,member) ))
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#endif
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/* particularly old versions of verbs do not have this function, which will
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* cause unnecessary build failures on other platforms */
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#if !HAVE_DECL_IBV_EVENT_TYPE_STR
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#define ibv_event_type_str(ev_type) "(ibv_event_type_str unavailable)"
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#endif
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/* MSGDEBUG2 prints 1 line at each BTL entry point */
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#define MSGDEBUG2 (MSGDEBUG1||0)
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/* MSGDEBUG1 prints more info about arguments and internal functions */
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#define MSGDEBUG1 0
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/* output macros to declutter source */
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#if MSGDEBUG1
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#define MSGDEBUG1_OUT(...) opal_output(0, __VA_ARGS__)
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#else
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#define MSGDEBUG1_OUT(...) do {} while (0)
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#endif
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#if MSGDEBUG2
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#define MSGDEBUG2_OUT(...) opal_output(0, __VA_ARGS__)
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#else
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#define MSGDEBUG2_OUT(...) do {} while (0)
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#endif
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/* Set to >0 to randomly drop received frags. The higher the number,
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the more frequent the drops. */
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#define WANT_RECV_FRAG_DROPS 0
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/* Set to >0 to randomly fail to send an ACK, mimicing a lost ACK.
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The higher the number, the more frequent the failed-to-send-ACK. */
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#define WANT_FAIL_TO_SEND_ACK 0
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/* Set to >0 to randomly fail to resend a frag (causing it to be
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requed to be sent later). The higher the number, the more frequent
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the failed-to-resend-frag. */
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#define WANT_FAIL_TO_RESEND_FRAG 0
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#if WANT_RECV_FRAG_DROPS > 0
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#define FAKE_RECV_FRAG_DROP (opal_rand(&ompi_btl_usnic_rand_buff) < WANT_RECV_FRAG_DROPS)
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#else
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#define FAKE_RECV_FRAG_DROP 0
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#endif
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#if WANT_FAIL_TO_SEND_ACK > 0
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#define FAKE_FAIL_TO_SEND_ACK (opal_rand(&ompi_btl_usnic_rand_buff) < WANT_FAIL_TO_SEND_ACK)
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#else
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#define FAKE_FAIL_TO_SEND_ACK 0
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#endif
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#if WANT_FAIL_TO_RESEND_FRAG > 0
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#define FAKE_FAIL_TO_RESEND_FRAG (opal_rand(&ompi_btl_usnic_rand_buff) < WANT_FAIL_TO_RESEND_FRAG)
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#else
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#define FAKE_FAIL_TO_RESEND_FRAG 0
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#endif
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/**
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* Verbs UD BTL component.
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*/
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typedef struct ompi_btl_usnic_component_t {
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/** base BTL component */
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mca_btl_base_component_2_0_0_t super;
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/* in the v1.6 series, sizeof(super) is 256, leading to good alignment for
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* subsequent fastpath fields */
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/** Maximum number of BTL modules */
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uint32_t max_modules;
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/** Number of available/initialized BTL modules */
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uint32_t num_modules;
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/* Cached hashed version of my RTE proc name (to stuff in
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protocol headers) */
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uint64_t my_hashed_rte_name;
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/** array of possible BTLs (>= num_modules elements) */
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struct ompi_btl_usnic_module_t* usnic_all_modules;
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/** array of pointers to active BTLs (num_modules elements) */
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struct ompi_btl_usnic_module_t** usnic_active_modules;
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/** convertor packing threshold */
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int pack_lazy_threshold;
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/** does the stack below us speak UDP or custom-L2? */
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bool use_udp;
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/* vvvvvvvvvv non-fastpath fields go below vvvvvvvvvv */
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/** list of usnic proc structures */
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opal_list_t usnic_procs;
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/** name of memory pool */
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char* usnic_mpool_name;
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char *if_include;
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char *if_exclude;
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/** Want stats? */
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bool stats_enabled;
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bool stats_relative;
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int stats_frequency;
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/** GID index to use */
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int gid_index;
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/** Whether we want to use NUMA distances to choose which usNIC
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devices to use for short messages */
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bool want_numa_device_assignment;
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/** max send descriptors to post per module */
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int32_t sd_num;
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/** max receive descriptors per module */
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int32_t rd_num;
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/** max send/receive desriptors for priority channel */
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int32_t prio_sd_num;
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int32_t prio_rd_num;
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/** max completion queue entries per module */
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int32_t cq_num;
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/** retrans characteristics */
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int retrans_timeout;
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struct usnic_rtnl_sk *unlsk;
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/** convertor packing threshold */
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/** connectivity verification: ACK timeout, number of retries
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before issue an error/abort the job */
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bool connectivity_enabled;
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int connectivity_ack_timeout;
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int connectivity_num_retries;
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/* ibv_create_ah() (i.e., ARP) timeout */
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int arp_timeout;
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} ompi_btl_usnic_component_t;
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OMPI_MODULE_DECLSPEC extern ompi_btl_usnic_component_t mca_btl_usnic_component;
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typedef mca_btl_base_recv_reg_t ompi_btl_usnic_recv_reg_t;
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/**
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* Size for sequence numbers (just to ensure we use the same size
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* everywhere)
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*/
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typedef uint16_t ompi_btl_usnic_seq_t;
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#define UDSEQ PRIu16
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/* sequence number comparison macros that allow for rollover.
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* Relies on the fact that sequence numbers should be relatively close
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* together as compared to (1<<31)
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*/
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#define SEQ_DIFF(A,B) ((int16_t)((A)-(B)))
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#define SEQ_LT(A,B) (SEQ_DIFF(A,B) < 0)
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#define SEQ_LE(A,B) (SEQ_DIFF(A,B) <= 0)
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#define SEQ_GT(A,B) (SEQ_DIFF(A,B) > 0)
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#define SEQ_GE(A,B) (SEQ_DIFF(A,B) >= 0)
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/**
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* Register the usnic BTL MCA params
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*/
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int ompi_btl_usnic_component_register(void);
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/**
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* Routine which can be called from a debugger to print module, endpoint,
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* fragment, and segment state to standard output. */
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void ompi_btl_usnic_component_debug(void);
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END_C_DECLS
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#endif
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