| To: | Jeff Garzik <jeff@xxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] Xen and SCSI |
| From: | Anthony Liguori <aliguori@xxxxxxxxxx> |
| Date: | 2006年6月20日 18:38:49 -0500 |
| Cc: | Randy Thelen <rthelen@xxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx |
| Delivery-date: | 2006年6月20日 16:39:16 -0700 |
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Hi Jeff, Jeff Garzik wrote:
FWIW, I'm about to complete a domU scsi driver for Xen (initiator, aka front-end). Additionally, I'm writing "the other side", the associated target (tunnel, aka back-end) for dom0-style kernels.Neat! Is it a standard XenBus device? Does it use the existing blkfront/blkback ring queue? Do you have a sneak peak of the code you could possible point us to?
REgards, Anthony Liguori
I was planning on sending it to linux-scsi for review this week, then figure out the best path to get it upstream. The basic message protocol draws heavily on native SCSI RPC model, and by that, I mean SAM and "SMP-ish". This allows communication with any number of SCSI targets/LUNs/etc. between any domU or dom0. Reading your email earlier today, I would recommend against using the SCSI generic driver, unless you're doing something strange like passing everything through userspace. Just put SCSI commands on the request queue...Jeff _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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