Re: [Xen-devel] [PATCH v3 2/2] docs/designs: Add a design document for migration of xenstore data

["Durrant, Paul" <pdurrant@xxxxxxxxxxxx>]

> -----Original Message-----
> From: Xen-devel <xen-devel-bounces@xxxxxxxxxxxxxxxxxxxx> On Behalf Of Wei
> Liu
> Sent: 28 January 2020 13:46
> To: Durrant, Paul <pdurrant@xxxxxxxxxxxx>
> Cc: Stefano Stabellini <sstabellini@xxxxxxxxxx>; Julien Grall
> <julien@xxxxxxx>; Wei Liu <wl@xxxxxxx>; Konrad Rzeszutek Wilk
> <konrad.wilk@xxxxxxxxxx>; George Dunlap <George.Dunlap@xxxxxxxxxxxxx>;
> Andrew Cooper <andrew.cooper3@xxxxxxxxxx>; Ian Jackson
> <ian.jackson@xxxxxxxxxxxxx>; xen-devel@xxxxxxxxxxxxxxxxxxxx
> Subject: Re: [Xen-devel] [PATCH v3 2/2] docs/designs: Add a design
> document for migration of xenstore data
> 
> On Tue, Jan 28, 2020 at 12:28:23PM +0000, Paul Durrant wrote:
> > +```
> > +0     1     2     3     4     5     6     7 octet
> > ++------------------------+------------------------+
> > +| type                   | record specific data   |
> > ++------------------------+                        |
> > +...
> > ++-------------------------------------------------+
> > +```
> > +
> > +
> > +| Field | Description |
> > +|---|---|
> > +| `type` | 0x00000000: invalid |
> > +|        | 0x00000001: node data |
> > +|        | 0x00000002: watch data |
> > +|        | 0x00000003 - 0xFFFFFFFF: reserved for future use |
> > +
> > +
> > +where data is always in the form of a NUL separated and terminated
> tuple
> > +as follows
> > +
> 
> Is there any padding requirement for a record? I take it there isn't?
> 

No, the padding is at the generic record level (already part of the spec).

  Paul

> Wei.
> 
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