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Re: [libvirt] [PATCH] dosc: schema: fix usb source address device attribute format




On 1/21/19 3:57 AM, Nikolay Shirokovskiy wrote:
> Device attribute does not have dotted "portAddr" format. Instead it
> has single number format described but "usbAddr" which corresponds
> to device parsing code in virDomainHostdevSubsysUSBDefParseXML.
> 
> Looks like [1] mistakenly changed device format for hostdev devices.
> And [2] copy-n-paste this for hostdev network interfaces.
> 
> [1] 31710a53 Modify USB port to be defined as a port path
> [2] 3b1c191f conf: parse/format type='hostdev' network interfaces
> 
> Signed-off-by: Nikolay Shirokovskiy <nshirokovskiy virtuozzo com>
> ---
>  docs/schemas/domaincommon.rng | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 

This a really strange/involved one, but seemingly correct. It also seems
that an <interface type='hostdev'... <source ... where the source is USB
couldn't or doesn't use the startupPolicy that would be present in a
normal <hostdev mode='subsystem' type='usb'...>...

Anyway, I'm certainly not the expert there - something Laine would
perhaps be better suited for, but certainly missing from the interface
RNG, but is processed in virDomainHostdevDefParseXMLSubsys. It also
seems to be a hostdevsubsyspci property as well.

What I was looking for was a way for the <interface...> RNG to perhaps
make use of the hostdevsubsyspci and hostdevsubsysusb, but some of what
goes on in RNG rules is like black magic voodoo ;-)...

Anwyay, long way of saying,

Reviewed-by: John Ferlan <jferlan redhat com>

John


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