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- * Xen hypervisor reserved-memory binding
- Expose one or more memory regions as reserved-memory to the guest
- virtual machine. Typically, a region is configured at VM creation time
- to be a shared memory area across multiple virtual machines for
- communication among them.
- For each of these pre-shared memory regions, a range is exposed under
- the /reserved-memory node as a child node. Each range sub-node is named
- xen-shmem@<address> and has the following properties:
- - compatible:
- compatible = "xen,shared-memory-v1"
- - reg:
- the base guest physical address and size of the shared memory region
- - xen,offset: (borrower VMs only)
- 64 bit integer offset within the owner virtual machine's shared
- memory region used for the mapping in the borrower VM.
- - xen,id:
- a string that identifies the shared memory region as specified in
- the VM config file
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