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Re: [Libguestfs] Fwd: [PATCH] v2v: virtio-win: include *.dll too



On Thu, Oct 29, 2015 at 11:05:42AM +1100, Vadim Rozenfeld wrote:
> >   1) tell which devices can be configured
> Not sure that I fully understated your question. but if you are going to
> create some sort of off-line automatic virtio-win drivers update
> utility, then it shouldn't be too complicated.

Roman is talking about what virt-v2v already does.

This is good information:

> First of all you will need
> to obtain the Windows kernel version by reading the following Registry
> key - "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion". Let's say it
> 6.3, which means that it is Win8.1 or WS2012R2, parsing "BuildLabEx"
> string from the same hive will give you information about the platform
> bitness. Next you need to go through inf files, and find "DriverVer"
> string, like this one . taken from from vioscsi.inf
> 
> DriverVer=08/01/2015,62.72.104.10800
> 
> This string contains build time and version stamps. The version stamp
> looks as follow "62.72.104.10800"
> where 62 means a target Windows kernel version multiplied by 10. In this
> case it is 6.2 which means Win8 or WS2012
> 72 - the target host platform version multiplied bu 10 (was RHEL7.2)
> 104 just a magic number, but it can be changed, don't make any
> assumption based on this number.
> 10800 our internal build number (build 108) multiplied by 100
> If you found an inf file with the matching minor OS (6 in our case)
> version and matching or less but close minor version number (2 vs 3)
> then you are in the right directory.

Seems like looking at this field in the .inf file is better than our
current approach of matching path names.

Rich.

-- 
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