Shared memory usage

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Dear Users,


I tried out shared memory using libvirt. When I configure it in the XML (ivshmem-plain), I have to provide a name for it and after starting the VM I can see the appropriate file on the host in the /dev/shm/ directory. My problem is that I could not find any official documentation about the usage of that shared memory. On the guest side, I have found the PCI device related to it, but I do not know how to use it. Is there any available command line tool to read from or write to this memory or is it only possible with a user application? Could you provide my what is the most common solution for this?


Thank you in advance for your reply and help!


Best regards,


Márton Sánta

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