linux-kernel - Re: [PATCH] Add iSCSI IBFT Support (v0.3)

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Date:	Tue, 4 Dec 2007 20:39:25 -0400
From:	Konrad Rzeszutek <konrad@...nok.org>
To:	darnok@....org
Cc:	Arjan van de Ven <arjan@...radead.org>,
	Doug Maxey <dwm@...yolf.org>, Greg KH <greg@...ah.com>,
	linux-kernel@...r.kernel.org, pjones@...hat.com,
	konradr@...hat.com, konradr@...ux.vnet.ibm.com,
	randy.dunlap@...cle.com, hpa@...or.com, lenb@...nel.org,
	mike.anderson@...ibm.com, dwm@...tin.ibm.com
Subject: Re: [PATCH] Add iSCSI IBFT Support (v0.3)

On Thu, Nov 29, 2007 at 11:36:21AM -0400, darnok@....org wrote:
> > > 
> > > /sys/firmware/ibft/ethernet0/pci-bdf
> > > 5:1:0
> > 
> > shouldn't this somehow also have a symlink to the kernels ethX view of
> > ethernet devices?
> > (and if so.. how much of the info is duplicated..)
> 
> That NIC is used by the NIC firmware (or the BIOS) to negotiate
> the iSCSI target. The information that is in this directory is what
> the BIOS used (note past tense) which might very well be completly
> different from what Linux uses.
> 
> My rationale behind _not_ linking to ethX view was that it could
> be confusing and not entirely useful for users: "It says that _this_
> NIC, with this IP, uses this iSCSI target. But Linux is using a
> completly different NIC (and IP) to setup a iSCSI connection to the
> same iSCSI target!?"

On the other hand having a link to the device and being able to
extra data sounds good too. I've made a modification and posted
a new version, under the 'REPORT [PATCH] Add iSCSI iBFT v0.4'.

Review would be much appreciated.
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