From mboxrd@z Thu Jan  1 00:00:00 1970
From: Steve Wise <swise-7bPotxP6k4+P2YhJcF5u+vpXobYPEAuW@public.gmane.org>
Subject: rdma_reg_read()
Date: Thu, 07 Nov 2013 18:17:29 -0600
Message-ID: <527C2D99.9050407@opengridcomputing.com>
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To: "Hefty, Sean" <sean.hefty-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
Cc: "linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" <linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>, Troy Leedberg <troy-ut6Up61K2wZBDgjK7y7TUQ@public.gmane.org>, Felix Marti <felix-ut6Up61K2wZBDgjK7y7TUQ@public.gmane.org>
List-Id: linux-rdma@vger.kernel.org

Hey Sean:

static inline struct ibv_mr *
rdma_reg_read(struct rdma_cm_id *id, void *addr, size_t length)
{
         return ibv_reg_mr(id->pd, addr, length, IBV_ACCESS_LOCAL_WRITE |
IBV_ACCESS_REMOTE_READ);
}

Should this be used for the registering sink memory of an rdma read?  If 
so, it won't work for iWARP, which requires REMOTE_WRITE for the sink.   
Should this code look at the transport type and set REMOTE_WRITE for 
iwarp transports?


Steve.
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