[openib-general] Subnet Administration calls in openib.org of fering

Sun Apr 4 01:34:17 PST 2004

In short - It does support, but the support is not full, more details below.

The ib_sa_client module exposes API to SET service-record 
(tsIbServiceSet) but it does not supply 'general-purpose' API to 
GET/DEL service-record.  It does supply GET for ATS (address translation 
service, used by uDAPL).

It should not be too much complicated to make tsIbServiceSet working & add
        tsIbServiceGet
        tsIbServiceDel
as long as the query (Service-Record SET/DEL/GET) result fits into one IB
MAD. 

When this assumption does not hold, i.e if your SR GET query matches 
many SRs, the API and implementation of tsIbServiceGet should be modified 
to cope with. This probably means telling to lower layers (ib_client_query
module) 
to use RMPP and do SA GET_MUTLI or GET_TABLE instead of GET.

Or.
-----Original Message-----
From: Smith, Stan [mailto:stan.smith at intel.com]
Sent: Friday, April 02, 2004 7:26 PM
To: openib-general at openib.org
Subject: [openib-general] Subnet Administration calls in openib.org offering

Will the openib.org stack export subnet administration calls to register
and lookup a service record by service ID?

The Lustre distributed filesystem (www.lustre.org) over InfiniBand
implementation depends on this functionality. The requirements are order
100 registered service records, with order 1000 service record lookups.

Thanks,

Stan.

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