From: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
To: "Wu, Bob" <Bob.Wu@emc.com>, xen-devel@lists.xenproject.org
Subject: Re: Question about the XEN platform pci
Date: Tue, 12 Apr 2016 10:09:32 -0400 [thread overview]
Message-ID: <20160412140932.GE27920@localhost.localdomain> (raw)
In-Reply-To: <6EB2BCCF7D344449A7542128268C26FF047FD490@MX105CL02.corp.emc.com>
On Tue, Apr 12, 2016 at 02:19:48AM +0000, Wu, Bob wrote:
>
> Really thanks for your reply.
Hey!
CC-ing Xen-devel back on. Please do not drop it and please don't
top-post.
>
> Can you explain a little more?
I am not sure what you want me to explain. Perhaps if you
read http://xenbits.xen.org/docs/unstable/misc/hvm-emulated-unplug.html
it may become clearer?
> Is the xen platform pci driver the only purpose for telling QEMU that don’t emulate the IDE driver?
And network.
> I think it can be done by a simple way, but don't need use this huge platform driver.
?
>
> I guess this is for PCI pass through in XEN HVM mode, but don't sure.
No.
>
> Thanks,
> Bob
>
>
> -----Original Message-----
> From: Konrad Rzeszutek Wilk [mailto:konrad.wilk@oracle.com]
> Sent: 2016年4月11日 22:24
> To: Wu, Bob
> Cc: xen-devel@lists.xen.org
> Subject: Re: [Xen-devel] Question about the XEN platform pci
>
> On Fri, Apr 08, 2016 at 08:52:08AM +0000, Wu, Bob wrote:
> >
> > Sorry bother, I read the XEN source code recently, and found the XEN
> > platform PCI code under drivers/xen/platform-pci.c, and I can't fully under this driver's affect, can anybody explain a little for me?
> >
> > Is the platform PCI driver for PV-split-PCI-driver-model such as the pci-frontend/pci-backend? or for PCI pass-through model? Or for other purpose?
> > I saw the xenbus_pcifront_driver/ xenbus_xen_pcibk_driver are registered on XENBUS, so I guess the platform-PCI-driver is not for PV PCI driver.
> >
>
> It is for the QEMU driver. To tell QEMU to stop emulating the IDE/network.
>
> > Really thank you for your replay.
> >
> > Thanks,
> > Bob
> >
>
> > _______________________________________________
> > Xen-devel mailing list
> > Xen-devel@lists.xen.org
> > http://lists.xen.org/xen-devel
>
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next prev parent reply other threads:[~2016-04-12 14:09 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-08 8:52 Question about the XEN platform pci Wu, Bob
2016-04-11 14:24 ` Konrad Rzeszutek Wilk
[not found] ` <6EB2BCCF7D344449A7542128268C26FF047FD490@MX105CL02.corp.emc.com>
2016-04-12 14:09 ` Konrad Rzeszutek Wilk [this message]
2016-04-12 15:33 ` karim.allah.ahmed
2016-04-12 15:45 ` Konrad Rzeszutek Wilk
2016-04-13 7:00 ` karim.allah.ahmed
2016-04-13 7:28 ` Wu, Bob
2016-04-13 8:31 ` karim.allah.ahmed
2016-04-13 9:55 ` Konrad Rzeszutek Wilk
2016-04-15 5:47 ` karim.allah.ahmed
2016-04-12 16:05 ` Roger Pau Monné
2016-04-13 3:59 ` Wu, Bob
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