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https://github.com/cloud-hypervisor/cloud-hypervisor.git
synced 2026-08-05 02:19:16 +00:00
9d47769bc2
Add an `iommufd` flag to existing VFIO integration tests. When false, tests use the legacy vfio container/group backend (existing behavior). When true, tests use vfio cdev with iommufd and vfio_p2p_dma=off. vfio_p2p_dma=off is required because the VFIO test runner uses a stock Ubuntu 24.04 kernel (v6.8) which does not support mapping device MMIO pages (VM_PFNMAP) through iommufd, causing IOMMU_IOAS_MAP to fail with -EFAULT on MMIO BAR regions. Signed-off-by: Bo Chen <bchen@crusoe.ai>
44 lines
1.3 KiB
Bash
Executable File
44 lines
1.3 KiB
Bash
Executable File
#!/usr/bin/env bash
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# shellcheck disable=SC2048,SC2086
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set -x
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# This set of vfio tests require to be ran on a specific machine with
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# specific hardware (e.g. the "vfio" bare-metal worker equipped with a
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# Nvidia Tesla T4 card). So the provisioning of the running machine is
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# out of the scope of this script, including the custom guest image with
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# Nvidia drivers installed, and properly configured Nvidia Tesla T4 card.
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# shellcheck source=/dev/null
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source "$HOME"/.cargo/env
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source "$(dirname "$0")"/test-util.sh
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process_common_args "$@"
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WORKLOADS_DIR="$HOME/workloads"
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download_hypervisor_fw
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CFLAGS=""
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if [[ "${BUILD_TARGET}" == "x86_64-unknown-linux-musl" ]]; then
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# shellcheck disable=SC2034
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CFLAGS="-I /usr/include/x86_64-linux-musl/ -idirafter /usr/include/"
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fi
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cargo build --features mshv --all --release --target "$BUILD_TARGET"
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# Common configuration for every test run
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export RUST_BACKTRACE=1
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export RUSTFLAGS="$RUSTFLAGS"
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# Run VFIO tests using legacy vfio interface with container/group
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time cargo nextest run --no-tests=pass --test-threads=1 "vfio::test_nvidia" -- ${test_binary_args[*]}
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RES=$?
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# Run VFIO tests using vfio cdev interface backed by iommufd
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if [ $RES -eq 0 ]; then
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time cargo nextest run --no-tests=pass --test-threads=1 "vfio::test_iommufd" -- ${test_binary_args[*]}
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RES=$?
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fi
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exit $RES
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