Re: [PATCH] SCSI driver for VMware's virtual HBA.

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 > - Reuse the existing SRP initiator (ib_srp). Currently there are two
 > SRP initiators present in the Linux kernel -- one that uses the RDMA
 > verbs API (ib_srp) and one that only works with IBM's i/pSeries
 > hypervisor (ibmvscsi).

This would be sane, although the difference in management APIs etc made
this seem like quite a bit of work when I looked at it (hence the
existence of both ibmvscsi and ib_srp).

 > - Reuse the ib_ipoib kernel module to provide an IP stack on top of
 > the new RDMA driver instead of having to maintain a separate network
 > driver for this hardware (ibmveth).

I don't think this really makes sense, because IPoIB is not really
handling ethernet (it is a different L2 ethernet encapsulation), and I
think the commonality with ibmveth is going to be minimal.

I'm not really sure we should be trying to force drivers to share just
because they are paravirtualized -- if there is real commonality, then
sure put it in common code, but different hypervisors are probably as
different as different hardware.

 - R.
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