474564a6b1
addition to my design and testing, it was conceptually approved by
Gil, Gleb, Pasha, Brad, and Galen. Functionally [probably somewhat
lightly] tested by Galen. We may still have to shake out some bugs
during the next few months, but it seems to be working for all the
cases that I can throw at it.
Here's a summary of the changes from that branch:
* Move MCA parameter registration to a new file (btl_openib_mca.c):
* Properly check the retun status of registering MCA params
* Check for valid values of MCA parameters
* Make help strings better
* Otherwise, the only default value of an MCA param that was
changed was max_btls; it went from 4 to -1 (meaning: use all
available)
* Properly prototyped internal functions in _component.c
* Made a bunch of functions static that didn't need to be public
* Renamed to remove "mca_" prefix from static functions
* Call new MCA param registration function
* Call new INI file read/lookup/finalize functions
* Updated a bunch of macros to be "BTL_" instead of "ORTE_"
* Be a little more consistent with return values
* Handle -1 for the max_btls MCA param
* Fixed a free() that should have been an OBJ_RELEASE()
* Some re-indenting
* Added INI-file parsing
* New flex file: btl_openib_ini.l
* New default HCA params .ini file (probably to be expanded over
time by other HCA vendors)
* Added more show_help messages for parsing problems
* Read in INI files and cache the values for later lookup
* When component opens an HCA, lookup to see if any corresponding
values were found in the INI files (ID'ed by the HCA vendor_id
and vendor_part_id)
* Added btl_openib_verbose MCA param that shows what the INI-file
stuff does (e.g., shows which MTU your HCA ends up using)
* Added btl_openib_hca_param_files as a colon-delimited list of INI
files to check for values during startup (in order,
left-to-right, just like the MCA base directory param).
* MTU is currently the only value supported in this framework.
* It is not a fatal error if we don't find params for the HCA in
the INI file(s). Instead, just print a warning. New MCA param
btl_openib_warn_no_hca_params_found can be used to disable
printing the warning.
* Add MTU to peer negotiation when making a connection
* Exchange maximum MTU; select the lesser of the two
This commit was SVN r11182.
76 строки
2.5 KiB
INI
76 строки
2.5 KiB
INI
#
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# Copyright (c) 2006 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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# This is the default HCA parameters file for Open MPI's OpenIB BTL.
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# If HCA vendors wish to add their respective values into this file
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# (that is distributed with Open MPI), please contact the Open MPI
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# development team. See http://www.open-mpi.org/ for details.
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# This file is in the "ini" style, meaning that it has sections
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# identified section names enclosed in square brackets (e.g.,
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# "[Section name]") followed by "key = value" pairs indicating values
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# for a specific HCA vendor and model. HCAs are identified by their
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# vendor ID and vendor part ID, which can be obtained by running the
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# diagnostic utility command "ibv_devinfo". The fields "vendor_id"
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# and "vendor_part"id" are the vendor ID and vendor part ID,
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# respectively.
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# The sections in this file only accept a few fields:
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# vendor_id: an integer, expressed either in decimal or hexidecimal
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# (e.g., "13" or "0xd"), and can be taken directly from the output of
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# "ibv_devinfo". Example:
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#
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# vendor_id = 0x05ad
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# vendor_part_id: a comma-delimited list of integers of different HCA
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# models from a single vendor, expressed in either decimal or
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# hexidecimal (e.g., "13" or "0xd"). Individual values can be
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# obtained from the output of the "ibv_devinfo". Example:
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#
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# vendor_part_id = 25208,25218
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# mtu: an integer indicating the maximum transfer unit (MTU) to be
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# used with this HCA. The effective MTU will be the minimum of an
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# HCA's MTU value and its peer HCA's MTU value. Valid values are 256,
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# 512, 1024, 2048, and 4096. Example:
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#
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# mtu = 1024
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############################################################################
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[default]
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# These are the default values, identified by the vendor and part ID
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# numbers of 0 and 0. If queried HCA does not return vendor and part
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# ID numbers that match any of the sections in this file, the values
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# in this section are used.
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vendor_id = 0
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vendor_part_id = 0
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mtu = 1024
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############################################################################
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[Mellanox Tavor Infinihost]
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# Vendor ID's can be hex or decimal
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vendor_id = 0x5ad
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vendor_part_id = 2310
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mtu = 1024
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############################################################################
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[Mellanox Arbel InfiniHost III MemFree/Tavor]
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vendor_id = 0x5ad
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vendor_part_id = 25208,25218
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mtu = 1024
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############################################################################
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[Mellanox Sinai Infinihost III]
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vendor_id = 0x5ad
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vendor_part_id = 25204
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mtu = 2048
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