From 33fdc89d4cbd74aa54c28dc61d62972ab164e64d Mon Sep 17 00:00:00 2001 From: Sascha Hauer Date: Mon, 14 Jan 2019 09:09:57 +0100 Subject: dts: update to v5.0-rc1 Signed-off-by: Sascha Hauer --- dts/Bindings/reserved-memory/xen,shared-memory.txt | 24 ++++++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 dts/Bindings/reserved-memory/xen,shared-memory.txt (limited to 'dts/Bindings/reserved-memory') diff --git a/dts/Bindings/reserved-memory/xen,shared-memory.txt b/dts/Bindings/reserved-memory/xen,shared-memory.txt new file mode 100644 index 0000000000..d483a2103d --- /dev/null +++ b/dts/Bindings/reserved-memory/xen,shared-memory.txt @@ -0,0 +1,24 @@ +* 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@
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 -- cgit v1.2.3