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1* Xen hypervisor reserved-memory binding2 3Expose one or more memory regions as reserved-memory to the guest4virtual machine. Typically, a region is configured at VM creation time5to be a shared memory area across multiple virtual machines for6communication among them.7 8For each of these pre-shared memory regions, a range is exposed under9the /reserved-memory node as a child node. Each range sub-node is named10xen-shmem@<address> and has the following properties:11 12- compatible:13 compatible = "xen,shared-memory-v1"14 15- reg:16 the base guest physical address and size of the shared memory region17 18- xen,offset: (borrower VMs only)19 64 bit integer offset within the owner virtual machine's shared20 memory region used for the mapping in the borrower VM.21 22- xen,id:23 a string that identifies the shared memory region as specified in24 the VM config file25