Re: [Qemu-devel] Looking for an easy way to exchange data bidirectional between host and guest (including some suggestion)

[Henrik Nordstrom]

On Tue, 7 Jun 2005, Christian MICHON wrote:

> all these discussions around tftp looked nice and sweet. So I told
> myself, instead of using winimage (shareware), why not transferring
> files "live".
>
> Yet, when you try on a windows host to exchange files with a linux
> guest (inside qemu and with -tftp option), all you get is:
>
> Error code 2: Access violation

Did you specify the correct path? The full path on the host has to be 
specified, exacly as given to qemu. In addition only "UNIX" style paths is 
supported.

> is -tftp today working only on linux hosts?

> From what I can tell it should work on all hosts, but there is some 
security issues on Windows and the path name support is not that good for 
Windows either..

> I also read somewhere
> the transfer is limited to files lesser than 64k. Can anyone confirm?

Not quite, but TFTP by protocol design limits filesize to 2^16-1 blocks of 
512 bytes or 32 MB minus 512 bytes (33553920 bytes).

Regards
Henrik