What fields should be used for reporting shared memory?

[Martin Kletzander]

Hi,

I am going through the fields in the dictionary and I can't find any
name to use for the following scenario.

We (libvirt) are running virtual machines and there's a thing nowadays,
that people like to use, called ivshmem (Inter-VM SHared MEMory).  From
host's point of view this is just a shared memory region accessed by
multiple VMs (and possibly to host as well).  The machine maps the
shared memory given a name (e.g. name "asdf" results in /dev/shm/asdf to
be mapped) *or* it can communicate with a server over UNIX socket and
that server handles interrupts and also tells the client which shared
memory region to map.  Talking about information we have; in server-less
setup it's the shared memory region that is shared, in the server
scenario it is the socket.  That's information we can output.

So my question is, when starting a domain or hot-(un)plugging, what
naming should we use for this kind of device and what are the things
that we should describe about it?  Basically, how would you like the
message to look?

Thanks in advance for any info.

Have a nice day,
Martin
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