Re: [kvm-devel] Using VMChannel to communicate with the host.

[Cam M. <ca...@cs...>]

Dor Laor wrote:
> I just tested it, it got a little deprecated over time since it call 
> pci_module_init instead of pci_register_* and some more irq function 
> deprecation.The sysfs interface in not complete and you can't read/write 
> from the device.
> The qemu parameters are -vmchannel di:2258,unix:/tmp/file,server
> 2258 is the vendor id for the device, you can use unix sockets ot even 
> tcp for the host end.
> 

Hi Dor,

Thanks, that got it up and running.  But in the hypercall.c code (from 
the git repo) there is a "hello host" message that looks like it should 
be written to the host.  How do I trigger that to be sent so my very 
simple "listening" program can read it?

Thanks,
Cam