xen,grant-dma.yaml

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    1 # SPDX-License-Identifier: (GPL-2.0-only or BSD-2-Clause)
    2 %YAML 1.2
    3 ---
    4 $id: http://devicetree.org/schemas/iommu/xen,grant-dma.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Xen specific IOMMU for virtualized devices (e.g. virtio)
    8 
    9 maintainers:
   10   - Stefano Stabellini <sstabellini@kernel.org>
   11 
   12 description:
   13   The Xen IOMMU represents the Xen grant table interface. Grant mappings
   14   are to be used with devices connected to the Xen IOMMU using the "iommus"
   15   property, which also specifies the ID of the backend domain.
   16   The binding is required to restrict memory access using Xen grant mappings.
   17 
   18 properties:
   19   compatible:
   20     const: xen,grant-dma
   21 
   22   '#iommu-cells':
   23     const: 1
   24     description:
   25       The single cell is the domid (domain ID) of the domain where the backend
   26       is running.
   27 
   28 required:
   29   - compatible
   30   - "#iommu-cells"
   31 
   32 additionalProperties: false
   33 
   34 examples:
   35   - |
   36     iommu {
   37         compatible = "xen,grant-dma";
   38         #iommu-cells = <1>;
   39     };

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/iommu/xen,grant-dma.yaml

FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/iommu/xen,grant-dma.yaml