> -Original Message-
> From: Ian Jackson [mailto:ian.jack...@eu.citrix.com]
> Sent: 22 March 2017 17:48
> To: Paul Durrant
> Cc: xen-de...@lists.xenproject.org; Wei Liu
> Subject: RE: [PATCH RESEND] tools/libxl: add support for emulated NVMe
> drives
>
> Paul Durrant writes ("RE: [PATCH
Paul Durrant writes ("RE: [PATCH RESEND] tools/libxl: add support for emulated
NVMe drives"):
> > I guess that was with xapi rather than libxl ?
>
> Nope. It was libxl.
That's weird. You specify it as xvda in the config file ?
> Windows PV drivers treat hd*, sd* and xvd* numbering in the same
> -Original Message-
> From: Ian Jackson [mailto:ian.jack...@eu.citrix.com]
> Sent: 22 March 2017 17:32
> To: Paul Durrant
> Cc: xen-de...@lists.xenproject.org; Wei Liu
> Subject: RE: [PATCH RESEND] tools/libxl: add support for emulated NVMe
> drives
>
> Paul Durrant writes ("RE: [PATCH
Paul Durrant writes ("RE: [PATCH RESEND] tools/libxl: add support for emulated
NVMe drives"):
> This is my VM:
>
> root@brixham:~# xenstore-ls "/libxl/3"
> device = ""
> vbd = ""
> 51712 = ""
...
>params = "qcow2:/root/winrs2-pv1.qcow2"
> No problem using xvda... still ends up as IDE prim
> -Original Message-
> From: Ian Jackson [mailto:ian.jack...@eu.citrix.com]
> Sent: 22 March 2017 17:03
> To: Paul Durrant
> Cc: xen-de...@lists.xenproject.org; Wei Liu
> Subject: RE: [PATCH RESEND] tools/libxl: add support for emulated NVMe
> drives
>
> Paul Durrant writes ("RE: [PATCH
Paul Durrant writes ("RE: [PATCH RESEND] tools/libxl: add support for emulated
NVMe drives"):
> > From: Ian Jackson [mailto:ian.jack...@eu.citrix.com]
> > That's not my point. The purpose of this table is to advise guests
> > what the conventional in-guest device name ought to be for a certain
>
> -Original Message-
> From: Xen-devel [mailto:xen-devel-boun...@lists.xen.org] On Behalf Of
> Paul Durrant
> Sent: 22 March 2017 16:32
> To: Ian Jackson
> Cc: xen-de...@lists.xenproject.org; Wei Liu
> Subject: Re: [Xen-devel] [PATCH RESEND] tools/libxl: add suppor
> -Original Message-
> From: Ian Jackson [mailto:ian.jack...@eu.citrix.com]
> Sent: 22 March 2017 16:03
> To: Paul Durrant
> Cc: xen-de...@lists.xenproject.org; Wei Liu
> Subject: RE: [PATCH RESEND] tools/libxl: add support for emulated NVMe
> drives
>
> Paul Durrant writes ("RE: [PATCH
Paul Durrant writes ("RE: [PATCH RESEND] tools/libxl: add support for emulated
NVMe drives"):
> > Oh, wait, I have just noticed that you have reused an entry in this
> > table!
> >
> >1 << 28 | disk << 8 | partition xvd, disks or partitions 16 onwards
> > ...
> > > +1 << 28 | disk <
> -Original Message-
> From: Ian Jackson [mailto:ian.jack...@eu.citrix.com]
> Sent: 22 March 2017 15:02
> To: Paul Durrant
> Cc: xen-de...@lists.xenproject.org; Wei Liu
> Subject: RE: [PATCH RESEND] tools/libxl: add support for emulated NVMe
> drives
>
> Paul Durrant writes ("RE: [PATCH
Paul Durrant writes ("RE: [PATCH RESEND] tools/libxl: add support for emulated
NVMe drives"):
> [Ian:]
> > If and when qemu supports multiple namespaces, how will this be
> > specified ?
>
> I'd guess a vdev of the form nvmeXnY would follow convention.
Right. Sorry, I was unclear. I meant here
> -Original Message-
> From: Ian Jackson [mailto:ian.jack...@eu.citrix.com]
> Sent: 22 March 2017 14:17
> To: Paul Durrant
> Cc: xen-de...@lists.xenproject.org; Wei Liu
> Subject: Re: [PATCH RESEND] tools/libxl: add support for emulated NVMe
> drives
>
> Paul Durrant writes ("[PATCH RESE
Paul Durrant writes ("[PATCH RESEND] tools/libxl: add support for emulated NVMe
drives"):
> NOTE: QEMU's emulation only supports a single NVMe namespace, so the
> vdev syntax does not include specification of a namespace.
> Also, current versions of SeaBIOS do not support booting from
Upstream QEMU supports emulation of NVM Express a.k.a. NVMe drives.
This patch adds a new vdev type into libxl to allow such drives to be
presented to HVM guests. Because the purpose of the new vdev is purely
to configure emulation, the syntax only supports specification of
whole disks. Also there
On Thu, Jan 19, 2017 at 08:58:12AM +, Paul Durrant wrote:
> > -Original Message-
> [snip]
> > > > For safety I guess I could explore the possibility of having libxl not
> > > > create a PV backend for this vdev type.
> > >
> > > ... this is the best option for now.
> > >
> >
> > And I
> -Original Message-
[snip]
> > > For safety I guess I could explore the possibility of having libxl not
> > > create a PV backend for this vdev type.
> >
> > ... this is the best option for now.
> >
>
> And I realise if we are not going to have code in libxl for nvme pv
> disk, we can jus
On Wed, Jan 18, 2017 at 12:20:07PM +, Wei Liu wrote:
> On Wed, Jan 18, 2017 at 12:15:22PM +, Paul Durrant wrote:
> > > -Original Message-
> > > From: Wei Liu [mailto:wei.l...@citrix.com]
> > > Sent: 18 January 2017 12:02
> > > To: Paul Durrant
> > > Cc: Wei Liu ; xen-de...@lists.xe
On Wed, Jan 18, 2017 at 12:15:22PM +, Paul Durrant wrote:
> > -Original Message-
> > From: Wei Liu [mailto:wei.l...@citrix.com]
> > Sent: 18 January 2017 12:02
> > To: Paul Durrant
> > Cc: Wei Liu ; xen-de...@lists.xenproject.org; Ian
> > Jackson
> > Subject: Re: [PATCH RESEND] tools/
> -Original Message-
> From: Wei Liu [mailto:wei.l...@citrix.com]
> Sent: 18 January 2017 12:02
> To: Paul Durrant
> Cc: Wei Liu ; xen-de...@lists.xenproject.org; Ian
> Jackson
> Subject: Re: [PATCH RESEND] tools/libxl: add support for emulated NVMe
> drives
>
[snip]
> > > >
> > > > -
On Wed, Jan 18, 2017 at 10:51:50AM +, Paul Durrant wrote:
> > -Original Message-
> > From: Wei Liu [mailto:wei.l...@citrix.com]
> > Sent: 18 January 2017 10:29
> > To: Paul Durrant
> > Cc: xen-de...@lists.xenproject.org; Ian Jackson ;
> > Wei Liu
> > Subject: Re: [PATCH RESEND] tools/
> -Original Message-
> From: Wei Liu [mailto:wei.l...@citrix.com]
> Sent: 18 January 2017 10:29
> To: Paul Durrant
> Cc: xen-de...@lists.xenproject.org; Ian Jackson ;
> Wei Liu
> Subject: Re: [PATCH RESEND] tools/libxl: add support for emulated NVMe
> drives
>
> On Fri, Jan 13, 2017 at 0
On Fri, Jan 13, 2017 at 02:00:41PM +, Paul Durrant wrote:
> Upstream QEMU supports emulation of NVM Express a.k.a. NVMe drives.
>
> This patch adds a new vdev type into libxl to allow such drives to be
> presented to HVM guests. Because the purpose of the new vdev is purely
> to configure emul
Upstream QEMU supports emulation of NVM Express a.k.a. NVMe drives.
This patch adds a new vdev type into libxl to allow such drives to be
presented to HVM guests. Because the purpose of the new vdev is purely
to configure emulation, the syntax only supports specification of
whole disks. Also there
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