Greg, I don't think the iPath interface is documented outside the headers, which are included as part of the QLogic PSM package. I believe that package is included with stock OFED. iPath is basically the hardware interface at the very bottom of the QLogic software stack, it wasn't intended for normal use.
-----Original Message----- From: Roland Dreier [mailto:[email protected]] Sent: Tuesday, January 03, 2012 6:41 PM To: Greg I Kerr Cc: Mike Heinz; [email protected] Subject: Re: Write Packets to InfiniBand HCA It is possible with ConnectX (cf "MLX QPs" in the kernel driver). However I don't know what documentation is available and some hacking would be needed to use this for something more general than sending MADs on special QPs. On Tue, Jan 3, 2012 at 8:43 AM, Greg I Kerr <[email protected]> wrote: > Yes I should have mentioned that I am using a Mellanox Connect-X > adapter. Do you know where I can find documentation for QLogic's > iPath? A quick google search didn't seem to turn anything up. > > Thanks for the information. > > - Greg Kerr > > On Tue, Jan 3, 2012 at 9:53 AM, Mike Heinz <[email protected]> wrote: >> That would depend on which HCA you are using. I know that you can use >> QLogic's iPath interface to do what you want, but I don't think it is >> possible through the verbs interface available through stock OFED. >> >> -----Original Message----- >> From: [email protected] >> [mailto:[email protected]] On Behalf Of Greg I Kerr >> Sent: Monday, January 02, 2012 9:50 PM >> To: [email protected] >> Subject: Write Packets to InfiniBand HCA >> >> Hi, >> >> Does anyone know if it is or isn't possible to put the HCA in some kind of >> "raw" mode where I can compose a packet in software and write it to the >> card? This is obviously in comparison to calling ibv_post_send and having a >> work request converted into a packet. >> >> Thanks, >> >> Greg Kerr >> -- >> To unsubscribe from this list: send the line "unsubscribe linux-rdma" >> in the body of a message to [email protected] More majordomo >> info at http://vger.kernel.org/majordomo-info.html >> >> >> This message and any attached documents contain information from QLogic >> Corporation or its wholly-owned subsidiaries that may be confidential. If >> you are not the intended recipient, you may not read, copy, distribute, or >> use this information. If you have received this transmission in error, >> please notify the sender immediately by reply e-mail and then delete this >> message. >> > -- > To unsubscribe from this list: send the line "unsubscribe linux-rdma" > in the body of a message to [email protected] More majordomo > info at http://vger.kernel.org/majordomo-info.html This message and any attached documents contain information from QLogic Corporation or its wholly-owned subsidiaries that may be confidential. If you are not the intended recipient, you may not read, copy, distribute, or use this information. If you have received this transmission in error, please notify the sender immediately by reply e-mail and then delete this message. -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
