Carsten Otte wrote:
> Daniel P. Berrange wrote:
>
>> As a userspace apps service, I'd very much like to see a common sockets
>> interface for inter-VM communication that is portable across virt systems
>> like Xen & KVM. I'd see it as similar to UNIX domain sockets in style. So
>> basically any app which could do UNIX domain sockets, could be ported to
>> inter-VM sockets by just changing PF_UNIX to say, PF_VIRT
>> Lots of interesting details around impl & security (what VMs are allowed
>> to talk to each other, whether this policy should be controlled by the
>> host, or allow VMs to decide for themselves).
>>
> z/VM, the premium hypervisor on 390 already has this capability for
> decades. This is called IUCV (inter user communication vehicle), where
> user really means virtual machine. It so happens the support for
> AF_IUCV was recently merged to Linux mainline. It may be worth a look,
> either for using it or because learning from existing solutions is
> always a good idea.
>
Is there anything that explains what the fields in sockaddr mean:
sa_family_t siucv_family;
unsigned short siucv_port; /* Reserved */
unsigned int siucv_addr; /* Reserved */
char siucv_nodeid[8]; /* Reserved */
char siucv_user_id[8]; /* Guest User Id */
char siucv_name[8]; /* Application Name */
Regards,
Anthony LIugori
> so long,
> Carsten
>
>
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