From: daniel.stodden@gmail.com (Daniel Stodden)
Subject: NVMe driver within hypervisors
Date: Mon, 01 Dec 2014 14:32:43 -0800 [thread overview]
Message-ID: <1417473163.6910.10.camel@espiritosanto.int.convergent.io> (raw)
In-Reply-To: <alpine.LNX.2.00.1412011504440.4225@localhost.lm.intel.com>
On Mon, 2014-12-01@15:07 +0000, Keith Busch wrote:
> On Wed, 26 Nov 2014, Bhattacharya, Indranil wrote:
> > Hi,
> >
> > Is a NVMe driver available for the Xen hypervisor? I see that a Vmware ESXi driver has become available (http://www.nvmexpress.org/blog/1556/); but I don't see any similar announcement for Xen.
>
> Correct me if I'm wrong, but doesn't Xen derive device driver support
> from its "dom-0"? Just use an nvme-capable Linux guest there and you've
> enabled Xen to support nvme, yeah?
Correct. Backends in dom0 eventually translate guest I/O to bios issued
to a kernel blockdev. Such as an NVMe one, typically implemented by a
normal Linux driver.
Daniel
next prev parent reply other threads:[~2014-12-01 22:32 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-27 7:17 NVMe driver within hypervisors Bhattacharya, Indranil
2014-12-01 15:07 ` Keith Busch
2014-12-01 22:32 ` Daniel Stodden [this message]
2014-12-02 0:08 ` Keith Busch
2014-12-02 0:36 ` Daniel Stodden
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