From: Anthony PERARD <anthony.perard@citrix.com>
To: Wei Liu <wei.liu2@citrix.com>
Cc: Juergen Gross <jgross@suse.com>,
stefano.stabellini@eu.citrix.com, George.Dunlap@eu.citrix.com,
ian.jackson@eu.citrix.com, cyliu@suse.com,
xen-devel@lists.xen.org
Subject: Re: [PATCH v6 3/6] libxl: add query function for backend support by device model
Date: Fri, 1 Apr 2016 15:23:03 +0100 [thread overview]
Message-ID: <20160401142303.GV27408@perard.uk.xensource.com> (raw)
In-Reply-To: <20160331143359.GF18437@citrix.com>
On Thu, Mar 31, 2016 at 03:33:59PM +0100, Wei Liu wrote:
> On Thu, Mar 31, 2016 at 07:49:03AM +0200, Juergen Gross wrote:
> > Add a function to query whether the device model is supporting a
> > specific backend type. The device model is writing the supported
> > backend types to Xenstore on startup. The new query function checks
> > for the appropriate entry to be present.
> >
> > As not all versions of qemu are capable to indicate support of
> > specific backends the query function is to be called with an indicator
> > whether the default return value should be "supported" (in case qemu
> > doesn't know set any support information) or "not supported".
> >
> > Signed-off-by: Juergen Gross <jgross@suse.com>
> > ---
> > V6: add Xenstore path documentation as requested by Wei Liu
> > ---
> > docs/misc/xenstore-paths.markdown | 7 +++++++
> > tools/libxl/libxl_dm.c | 19 +++++++++++++++++++
> > tools/libxl/libxl_internal.h | 5 +++++
> > 3 files changed, 31 insertions(+)
> >
> > diff --git a/docs/misc/xenstore-paths.markdown b/docs/misc/xenstore-paths.markdown
> > index 76f67b1..890d261 100644
> > --- a/docs/misc/xenstore-paths.markdown
> > +++ b/docs/misc/xenstore-paths.markdown
> > @@ -472,6 +472,13 @@ in the value supplied by the guest in this case).
> >
> > Contains the status of the device models running on the domain.
> >
> > +#### ~/device-model/$DOMID/backends/* [w]
> > +
> > +Backend types the device model is supporting. Each entry below backends
> > +is a directory which may contain further nodes specific to the backend
> > +type. The name of each backend directory is the same as the backend type
> > +(e.g. "qdisk").
> > +
>
> Anthony, can you ack / nack this?
That sounds good to me.
Acked-by: Anthony PERARD <anthony.perard@citrix.com>
> The rest of code looks OK.
>
> Wei.
--
Anthony PERARD
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next prev parent reply other threads:[~2016-04-01 14:23 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-31 5:49 [PATCH v6 0/6] libxl: add support for qemu base pvusb backend Juergen Gross
2016-03-31 5:49 ` [PATCH v6 1/6] libxl: handle error from libxl__need_xenpv_qemu() correctly Juergen Gross
2016-03-31 14:25 ` Wei Liu
2016-04-08 13:55 ` Ian Jackson
2016-05-09 17:11 ` Ian Jackson
2016-03-31 5:49 ` [PATCH v6 2/6] libxl: make libxl__need_xenpv_qemu() operate on domain config Juergen Gross
2016-03-31 14:31 ` Wei Liu
2016-03-31 5:49 ` [PATCH v6 3/6] libxl: add query function for backend support by device model Juergen Gross
2016-03-31 14:33 ` Wei Liu
2016-03-31 14:34 ` Wei Liu
2016-04-01 14:23 ` Anthony PERARD [this message]
2016-04-01 14:57 ` Wei Liu
2016-03-31 5:49 ` [PATCH v6 4/6] libxl: add new pvusb backend "qusb" provided by qemu Juergen Gross
2016-03-31 14:37 ` Wei Liu
2016-03-31 5:49 ` [PATCH v6 5/6] libxl: add service function to check whether device model is running Juergen Gross
2016-03-31 5:49 ` [PATCH v6 6/6] libxl: check for dynamic device model start required Juergen Gross
2016-03-31 14:37 ` Wei Liu
2016-04-06 13:58 ` [PATCH v6 0/6] libxl: add support for qemu base pvusb backend Ian Jackson
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