thanks for your reply,<br><br>>The driver is needed to obtain the information for the IB node to fill<br>>in the MADs for response to the SMA query. It may also issue some traps.<br>>Similarly for PMA as well.<br><br>Do u mean to say that HCA driver is needed to pass the HCA related information<br>(like GID,GUID, port_info etc..) to the SMA so that it can reply to query(or GET )<br>MADs. Isn't SMA capable of doing the same by using "query_(gid,pkey,port)"<br>verbs.<br><br>And final questions if it is really required to implement 'process_mad' in HCA driver then why it is not specified in the IB specifications.<br>Whose duty is this (replying to query MADs) according to the IB psec.s(its duty<br>of SMA right?)<br><br>I have observed that process_mad is not implemented in the IBM's eHCA driver.<br>what is the case with it?<br><br>PS: I am considering only SMA in the host s/w here.<br><br>regards,<br>K.Mahesh.<br><br><br><br><br><b><i>Hal
Rosenstock <halr@voltaire.com></i></b> wrote:<blockquote class="replbq" style="border-left: 2px solid rgb(16, 16, 255); margin-left: 5px; padding-left: 5px;"> On Wed, 2006-12-13 at 01:55, keshetti mahesh wrote:<br>> Hello all,<br>> <br>> I want to know from u people that isi it necessary to implement the<br>> process_mad for a HCA.<br>> <br>> After looking into the implementations of process_mad in ipath and<br>> mthca drivers i have fount that they are used to reply the MADs with<br>> port_info,gid_info,sm_info etc..<br>> <br>> But isn't it handled by SMA in the host......<br><br>The SMA can either be in the host on in firmware (as is typical with the<br>Mellanox silicon).<br><br>> i am little bit confused now .<br>> please just whether it is required to implement process_mad (suppose)<br>> for new HCA driver....<br><br>It is. For an example of a host (software SMA), see<br>drivers/infiniband/hw/ipath/ipath_mad.c<br><br>>
if it is required why?<br><br>The driver is needed to obtain the information for the IB node to fill<br>in the MADs for response to the SMA query. It may also issue some traps.<br>Similarly for PMA as well.<br><br>-- Hal<br><br>> Please CC your replies to me.<br>> <br>> regards,<br>> K.Mahesh.<br>> <br>> <br>> <br>> <br>> <br>> <br>> <br>> ______________________________________________________________________<br>> Find out what India is talking about on - Yahoo! Answers India<br>> Send FREE SMS to your friend's mobile from Yahoo! Messenger Version 8.<br>> Get it NOW<br>> <br>> ______________________________________________________________________<br>> <br>> _______________________________________________<br>> openib-general mailing list<br>> openib-general@openib.org<br>> http://openib.org/mailman/listinfo/openib-general<br>> <br>> To unsubscribe, please visit
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