Jeff Garzik wrote:
On Thu, Nov 08, 2007 at 02:52:26PM -0500, Mark Lord wrote:
Jeff Garzik wrote:
..
2) This chip includes target mode support. Very nice, well done!
I hope that standard AHCI eventually supports this nice feature!
..
Speaking of which. Do we have a strategy as to how to implement/support
the target side of target mode on controllers which can do it?
The Marvell chips also have a target mode feature, and I'd like to add
support for it soon-ish, but it's now clear how you would like it plumbed
into libata.
It's almost like a separate driver/subsystem, except that would be very
silly.
I'm letting the SCSI folks do the heavy lifting, implementing SCSI
target mode -- an effort already quite well along.
We should be able to piggyback off of that work.
..
MMmm.. I wonder what the most common use case is for target mode?
Everybody I've dealt with thus far uses it as a high-speed local comms interface,
which would suggest that it might be done as a network interface (ethernet emulation).
But that would confusingly go across driver subsystems,
despite that this is how it actually is used.
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