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5bd05b1af0
By moving the trait and its VFIO implementation out of vfio-ioctls, we give anticipate for the move to the vfio-ioctls from rust-vmm. Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
18 lines
640 B
Rust
18 lines
640 B
Rust
// Copyright © 2021 Intel Corporation
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//
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// SPDX-License-Identifier: Apache-2.0 OR BSD-3-Clause
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pub mod vfio;
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/// Trait meant for triggering the DMA mapping update related to an external
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/// device not managed fully through virtio. It is dedicated to virtio-iommu
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/// in order to trigger the map update anytime the mapping is updated from the
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/// guest.
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pub trait ExternalDmaMapping: Send + Sync {
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/// Map a memory range
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fn map(&self, iova: u64, gpa: u64, size: u64) -> std::result::Result<(), std::io::Error>;
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/// Unmap a memory range
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fn unmap(&self, iova: u64, size: u64) -> std::result::Result<(), std::io::Error>;
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}
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