On Mon, Jun 29, 2015 at 04:36:18PM -0500, Steve Wise wrote:
> +int rdma_device_access_flags(struct ib_pd *pd, int roles, int attrs)
> +{
> + int access_flags = attrs;
No RDMA_MRR_SEND ?
> + if (roles & RDMA_MRR_RECV)
> + access_flags |= IB_ACCESS_LOCAL_WRITE;
> +
> + if (roles & RDMA_MRR_WRITE_DEST)
> + access_flags |= IB_ACCESS_LOCAL_WRITE | IB_ACCESS_REMOTE_WRITE;
Is IB_ACCESS_LOCAL_WRITE needed?
> + if (roles & RDMA_MRR_READ_DEST) {
> + access_flags |= IB_ACCESS_LOCAL_WRITE;
> + if (rdma_protocol_iwarp(pd->device,
> + rdma_start_port(pd->device)))
> + access_flags |= IB_ACCESS_REMOTE_WRITE;
> + }
So on iWarp if I want to issue a RDMA_READ then I have to allow the
far side uncontrolled write access to the same memory? Is there
something else protecting it?
Jason
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