Files
cloud-hypervisor/vm-device/src/dma_mapping/mod.rs
Bo Chen 60c8a72e29 misc: Fix various warnings from clippy 0.1.82
An example warning output is:

error: first doc comment paragraph is too long
   --> virtio-devices/src/lib.rs:158:1
    |
158 | / /// Convert an absolute address into an address space (GuestMemory)
159 | | /// to a host pointer and verify that the provided size define a valid
160 | | /// range within a single memory region.
161 | | /// Return None if it is out of bounds or if addr+size overlaps a single region.
    | |_
    |
    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#too_long_first_doc_paragraph
    = note: `-D clippy::too-long-first-doc-paragraph` implied by `-D warnings`
    = help: to override `-D warnings` add `#[allow(clippy::too_long_first_doc_paragraph)]`

Signed-off-by: Bo Chen <chen.bo@intel.com>
2024-09-07 09:40:20 +00:00

18 lines
706 B
Rust

// Copyright © 2021 Intel Corporation
//
// SPDX-License-Identifier: Apache-2.0 OR BSD-3-Clause
/// Trait to trigger DMA mapping updates for devices managed by virtio-iommu
///
/// Trait meant for triggering the DMA mapping update related to an external
/// device not managed fully through virtio. It is dedicated to virtio-iommu
/// in order to trigger the map update anytime the mapping is updated from the
/// guest.
pub trait ExternalDmaMapping: Send + Sync {
/// Map a memory range
fn map(&self, iova: u64, gpa: u64, size: u64) -> std::result::Result<(), std::io::Error>;
/// Unmap a memory range
fn unmap(&self, iova: u64, size: u64) -> std::result::Result<(), std::io::Error>;
}