devices::virtio::descriptor_chain

Struct Descriptor

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pub struct Descriptor {
    pub address: u64,
    pub len: u32,
    pub access: DescriptorAccess,
}
Expand description

A single descriptor within a DescriptorChain.

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§address: u64

Guest memory address of this descriptor. If IOMMU is enabled, this is an IOVA, which must be translated via the IOMMU to get a guest physical address.

§len: u32

Length of the descriptor in bytes.

§access: DescriptorAccess

Whether this descriptor should be treated as writable or readable by the device.

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