build: Release v36.1 (bug fix release)

Signed-off-by: Bo Chen <chen.bo@intel.com>

.github/workflows/audit.yaml

@@ -4,13 +4,12 @@ on:
     paths: 
       - '**/Cargo.toml'
       - '**/Cargo.lock'
-
 jobs:
   security_audit:
     name: Audit
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v1
       - uses: actions-rs/audit-check@v1
         with:
-          token: ${{ secrets.GITHUB_TOKEN }}
+          token: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/build.yaml

@@ -1,11 +1,9 @@
 name: Cloud Hypervisor Build
-on: [pull_request, merge_group]
-concurrency:
-  group: ${{ github.workflow }}-${{ github.ref }}
-  cancel-in-progress: true
+on: [pull_request, create]
 
 jobs:
   build:
+    if: github.event_name == 'pull_request'
     name: Build
     runs-on: ubuntu-latest
     strategy:
@@ -15,13 +13,13 @@ jobs:
           - stable
           - beta
           - nightly
-          - "1.70"
+          - "1.66"
         target:
           - x86_64-unknown-linux-gnu
           - x86_64-unknown-linux-musl
     steps:
       - name: Code checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v2
         with:
           fetch-depth: 0
 
@@ -56,9 +54,6 @@ jobs:
       - name: Build (sev_snp)
         run: cargo rustc --locked --bin cloud-hypervisor --no-default-features --features "sev_snp"  -- -D warnings -D clippy::undocumented_unsafe_blocks
 
-      - name: Build (igvm)
-        run: cargo rustc --locked --bin cloud-hypervisor --no-default-features --features "igvm"  -- -D warnings -D clippy::undocumented_unsafe_blocks
-
       - name: Build (mshv + kvm)
         run: cargo rustc --locked --bin cloud-hypervisor --no-default-features --features "mshv,kvm"  -- -D warnings -D clippy::undocumented_unsafe_blocks
 

.github/workflows/dco.yaml

@@ -1,18 +1,16 @@
 name: DCO
-on: [pull_request, merge_group]
-
+on:
+  pull_request:
 jobs:
   check:
-    name: DCO Check ("Signed-Off-By")
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v2
     - name: Set up Python 3.x
       uses: actions/setup-python@v1
       with:
         python-version: '3.x'
     - name: Check DCO
-      if: ${{ github.event_name == 'pull_request' }}
       env:
         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
       run: |

.github/workflows/docker-image.yaml

@@ -1,13 +1,11 @@
 name: Cloud Hypervisor's Docker image update
+
 on:
   push:
     branches: main
     paths: resources/Dockerfile
   pull_request:
     paths: resources/Dockerfile
-concurrency:
-  group: ${{ github.workflow }}-${{ github.ref }}
-  cancel-in-progress: true
 
 env:
   REGISTRY: ghcr.io
@@ -18,7 +16,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Code checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v2
 
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v1

.github/workflows/fuzz-build.yaml

@@ -1,11 +1,9 @@
 name: Cloud Hypervisor Cargo Fuzz Build
-on: [pull_request, merge_group]
-concurrency:
-  group: ${{ github.workflow }}-${{ github.ref }}
-  cancel-in-progress: true
+on: [pull_request, create]
 
 jobs:
   build:
+    if: github.event_name == 'pull_request'
     name: Cargo Fuzz Build
     runs-on: ubuntu-latest
     strategy:
@@ -16,7 +14,7 @@ jobs:
           - x86_64-unknown-linux-gnu
     steps:
       - name: Code checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v2
       - name: Install Rust toolchain (${{ matrix.rust }})
         uses: actions-rs/toolchain@v1
         with:

.github/workflows/gitlint.yaml

@@ -1,25 +0,0 @@
-name: Commit messages check
-on:
-  pull_request:
-
-jobs:
-  gitlint:
-    name: Check commit messages
-    runs-on: ubuntu-latest
-    steps:
-    - name: Checkout repository
-      uses: actions/checkout@v4
-      with:
-        ref: ${{ github.event.pull_request.head.sha }}
-        fetch-depth: 0
-    - name: Set up Python 3.10
-      uses: actions/setup-python@v3
-      with:
-        python-version: "3.10"
-    - name: Install dependencies
-      run: |
-        python -m pip install --upgrade pip
-        pip install --upgrade gitlint
-    - name: Lint git commit messages
-      run: |
-        gitlint --commits origin/$GITHUB_BASE_REF..

.github/workflows/hadolint.yaml

@@ -1,4 +1,5 @@
 name: Lint Dockerfile
+
 on:
   push:
     paths:
@@ -13,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v3
 
       - name: Lint Dockerfile
         uses: hadolint/hadolint-action@master

.github/workflows/integration-arm64.yaml

@@ -1,54 +0,0 @@
-name: Cloud Hypervisor Tests (ARM64)
-on: [pull_request, merge_group]
-concurrency:
-  group: ${{ github.workflow }}-${{ github.ref }}
-  cancel-in-progress: true
-
-jobs:
-  build:
-    timeout-minutes: 60
-    name: Tests (ARM64)
-    runs-on: focal-arm64
-    steps:
-      - name: Fix workspace permissions
-        run: sudo chown -R github-runner:github-runner ${GITHUB_WORKSPACE}
-      - name: Code checkout
-        uses: actions/checkout@v4
-        with:
-          fetch-depth: 0
-      - name: Run unit tests (musl)
-        run: scripts/dev_cli.sh tests --unit --libc musl
-      - name: Load openvswitch module
-        run: sudo modprobe openvswitch
-      - name: Run integration tests (musl)
-        timeout-minutes: 30
-        run: scripts/dev_cli.sh tests --integration --libc musl
-      - name: Install Azure CLI
-        if: ${{ github.event_name != 'pull_request' }}
-        run: |
-          sudo apt install -y ca-certificates curl apt-transport-https lsb-release gnupg
-          curl -sL https://packages.microsoft.com/keys/microsoft.asc | gpg --dearmor | sudo tee /etc/apt/trusted.gpg.d/microsoft.gpg > /dev/null
-          echo "deb [arch=arm64] https://packages.microsoft.com/repos/azure-cli/ focal main" | sudo tee /etc/apt/sources.list.d/azure-cli.list
-          sudo apt update
-          sudo apt install -y azure-cli
-      - name: Download Windows image
-        if: ${{ github.event_name != 'pull_request' }}
-        shell: bash
-        run: |
-          IMG_BASENAME=windows-11-iot-enterprise-aarch64.raw
-          IMG_PATH=$HOME/workloads/$IMG_BASENAME
-          IMG_GZ_PATH=$HOME/workloads/$IMG_BASENAME.gz
-          IMG_GZ_BLOB_NAME=windows-11-iot-enterprise-aarch64-9-min.raw.gz
-          cp "scripts/$IMG_BASENAME.sha1" "$HOME/workloads/"
-          pushd "$HOME/workloads"
-          if sha1sum "$IMG_BASENAME.sha1" --check; then
-              exit
-          fi
-          popd
-          mkdir -p "$HOME/workloads"
-          az storage blob download --container-name private-images --file "$IMG_GZ_PATH" --name "$IMG_GZ_BLOB_NAME" --connection-string "${{ secrets.CH_PRIVATE_IMAGES }}"
-          gzip -d $IMG_GZ_PATH
-      - name: Run Windows guest integration tests
-        if: ${{ github.event_name != 'pull_request' }}
-        timeout-minutes: 30
-        run: scripts/dev_cli.sh tests --integration-windows --libc musl

.github/workflows/integration-metrics.yaml

@@ -1,22 +0,0 @@
-name: Cloud Hypervisor Tests (Metrics)
-on:
-  push:
-    branches:
-      - main
-
-jobs:
-  build:
-    name: Tests (Metrics)
-    runs-on: jammy-metrics
-    env:
-      METRICS_PUBLISH_KEY: ${{ secrets.METRICS_PUBLISH_KEY }}
-    steps:
-      - name: Code checkout
-        uses: actions/checkout@v4
-        with:
-          fetch-depth: 0
-      - name: Run metrics tests
-        timeout-minutes: 60
-        run: scripts/dev_cli.sh tests --metrics -- -- --report-file /root/workloads/metrics.json
-      - name: Upload metrics report
-        run: 'curl -X PUT https://ch-metrics.azurewebsites.net/api/publishmetrics -H "x-functions-key: $METRICS_PUBLISH_KEY" -T ~/workloads/metrics.json'

.github/workflows/integration-rate-limiter.yaml

@@ -1,28 +0,0 @@
-name: Cloud Hypervisor Tests (Rate-Limiter)
-on: [merge_group, pull_request]
-concurrency:
-  group: ${{ github.workflow }}-${{ github.ref }}
-  cancel-in-progress: true
-
-jobs:
-  build:
-    name: Tests (Rate-Limiter)
-    runs-on: ${{ github.event_name == 'pull_request' && 'ubuntu-latest' || 'jammy-rate-limiter' }}
-    env:
-      AUTH_DOWNLOAD_TOKEN: ${{ secrets.AUTH_DOWNLOAD_TOKEN }}
-    steps:
-      - name: Fix workspace permissions
-        if: ${{ github.event_name != 'pull_request' }}
-        run: sudo chown -R github-runner:github-runner ${GITHUB_WORKSPACE}
-      - name: Code checkout
-        if: ${{ github.event_name != 'pull_request' }}
-        uses: actions/checkout@v4
-        with:
-          fetch-depth: 0
-      - name: Run rate-limiter integration tests
-        if: ${{ github.event_name != 'pull_request' }}
-        timeout-minutes: 10
-        run: scripts/dev_cli.sh tests --integration-rate-limiter
-      - name: Skipping build for PR
-        if: ${{ github.event_name == 'pull_request' }}
-        run: echo "Skipping build for PR"

.github/workflows/integration-sgx.yaml

@@ -1,32 +0,0 @@
-name: Cloud Hypervisor Tests (SGX)
-on: [merge_group, pull_request]
-concurrency:
-  group: ${{ github.workflow }}-${{ github.ref }}
-  cancel-in-progress: true
-
-jobs:
-  build:
-    name: Tests (SGX)
-    runs-on: ${{ github.event_name == 'pull_request' && 'ubuntu-latest' || 'jammy-sgx' }}
-    env:
-      AUTH_DOWNLOAD_TOKEN: ${{ secrets.AUTH_DOWNLOAD_TOKEN }}
-    steps:
-      - name: Fix workspace permissions
-        if: ${{ github.event_name != 'pull_request' }}
-        run: sudo chown -R github-runner:github-runner ${GITHUB_WORKSPACE}
-      - name: Code checkout
-        if: ${{ github.event_name != 'pull_request' }}
-        uses: actions/checkout@v4
-        with:
-          fetch-depth: 0
-      - name: Run SGX integration tests
-        if: ${{ github.event_name != 'pull_request' }}
-        timeout-minutes: 10
-        run: scripts/dev_cli.sh tests --integration-sgx
-      - name: Run SGX integration tests for musl
-        if: ${{ github.event_name != 'pull_request' }}
-        timeout-minutes: 10
-        run: scripts/dev_cli.sh tests --integration-sgx --libc musl
-      - name: Skipping build for PR
-        if: ${{ github.event_name == 'pull_request' }}
-        run: echo "Skipping build for PR"

.github/workflows/integration-vfio.yaml

@@ -1,32 +0,0 @@
-name: Cloud Hypervisor Tests (VFIO)
-on: [merge_group, pull_request]
-concurrency:
-  group: ${{ github.workflow }}-${{ github.ref }}
-  cancel-in-progress: true
-
-jobs:
-  build:
-    name: Tests (VFIO)
-    runs-on: ${{ github.event_name == 'pull_request' && 'ubuntu-latest' || 'jammy-vfio' }}
-    env:
-      AUTH_DOWNLOAD_TOKEN: ${{ secrets.AUTH_DOWNLOAD_TOKEN }}
-    steps:
-      - name: Fix workspace permissions
-        if: ${{ github.event_name != 'pull_request' }}
-        run: sudo chown -R github-runner:github-runner ${GITHUB_WORKSPACE}
-      - name: Code checkout
-        if: ${{ github.event_name != 'pull_request' }}
-        uses: actions/checkout@v4
-        with:
-          fetch-depth: 0
-      - name: Run VFIO integration tests
-        if: ${{ github.event_name != 'pull_request' }}
-        timeout-minutes: 15
-        run: scripts/dev_cli.sh tests --integration-vfio
-      - name: Run VFIO integration tests for musl
-        if: ${{ github.event_name != 'pull_request' }}
-        timeout-minutes: 15
-        run: scripts/dev_cli.sh tests --integration-vfio --libc musl
-      - name: Skipping build for PR
-        if: ${{ github.event_name == 'pull_request' }}
-        run: echo "Skipping build for PR"

.github/workflows/integration-windows.yaml

@@ -1,50 +0,0 @@
-name: Cloud Hypervisor Tests (Windows Guest)
-on: [merge_group, pull_request]
-concurrency:
-  group: ${{ github.workflow }}-${{ github.ref }}
-  cancel-in-progress: true
-
-jobs:
-  build:
-    name: Tests (Windows Guest)
-    runs-on: ${{ github.event_name == 'pull_request' && 'ubuntu-latest' || 'garm-jammy-16' }}
-    steps:
-      - name: Code checkout
-        if: ${{ github.event_name != 'pull_request' }}
-        uses: actions/checkout@v4
-        with:
-          fetch-depth: 0
-      - name: Install Docker
-        if: ${{ github.event_name != 'pull_request' }}
-        run: |
-          sudo apt-get update
-          sudo apt-get -y install ca-certificates curl gnupg
-          curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /usr/share/keyrings/docker-archive-keyring.gpg
-          sudo chmod a+r /usr/share/keyrings/docker-archive-keyring.gpg
-          echo "deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/docker-archive-keyring.gpg] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable" | sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
-          sudo apt-get update
-          sudo apt install -y docker-ce docker-ce-cli
-      - name: Install Azure CLI
-        if: ${{ github.event_name != 'pull_request' }}
-        run: |
-          sudo apt install -y ca-certificates curl apt-transport-https lsb-release gnupg
-          curl -sL https://packages.microsoft.com/keys/microsoft.asc | gpg --dearmor | sudo tee /etc/apt/trusted.gpg.d/microsoft.gpg > /dev/null
-          echo "deb [arch=amd64] https://packages.microsoft.com/repos/azure-cli/ jammy main" | sudo tee /etc/apt/sources.list.d/azure-cli.list
-          sudo apt update
-          sudo apt install -y azure-cli
-      - name: Download Windows image
-        if: ${{ github.event_name != 'pull_request' }}
-        run: |
-          mkdir $HOME/workloads
-          az storage blob download --container-name private-images --file "$HOME/workloads/windows-server-2022-amd64-2.raw" --name windows-server-2022-amd64-2.raw --connection-string "${{ secrets.CH_PRIVATE_IMAGES }}"
-      - name: Run Windows guest integration tests
-        if: ${{ github.event_name != 'pull_request' }}
-        timeout-minutes: 15
-        run: scripts/dev_cli.sh tests --integration-windows
-      - name: Run Windows guest integration tests for musl
-        if: ${{ github.event_name != 'pull_request' }}
-        timeout-minutes: 15
-        run: scripts/dev_cli.sh tests --integration-windows --libc musl
-      - name: Skipping build for PR
-        if: ${{ github.event_name == 'pull_request' }}
-        run: echo "Skipping build for PR"

.github/workflows/integration-x86-64.yaml

@@ -1,52 +0,0 @@
-name: Cloud Hypervisor Tests (x86-64)
-on: [pull_request, merge_group]
-concurrency:
-  group: ${{ github.workflow }}-${{ github.ref }}
-  cancel-in-progress: true
-
-jobs:
-  build:
-    timeout-minutes: 60
-    strategy:
-      fail-fast: false
-      matrix:
-        runner: ['garm-jammy', "garm-jammy-amd"]
-        libc: ["musl", 'gnu']
-    name: Tests (x86-64)
-    runs-on: ${{ github.event_name == 'pull_request' && !(matrix.runner == 'garm-jammy' && matrix.libc == 'gnu') && 'ubuntu-latest' || format('{0}-16', matrix.runner) }}
-    steps:
-      - name: Code checkout
-        if: ${{ github.event_name != 'pull_request' || (matrix.runner == 'garm-jammy' && matrix.libc == 'gnu') }}
-        uses: actions/checkout@v4
-        with:
-          fetch-depth: 0
-      - name: Install Docker
-        if: ${{ github.event_name != 'pull_request' || (matrix.runner == 'garm-jammy' && matrix.libc == 'gnu') }}
-        run: |
-          sudo apt-get update
-          sudo apt-get -y install ca-certificates curl gnupg
-          curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /usr/share/keyrings/docker-archive-keyring.gpg
-          sudo chmod a+r /usr/share/keyrings/docker-archive-keyring.gpg
-          echo "deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/docker-archive-keyring.gpg] https://download.docker.com/linux/ubuntu $(lsb_release -cs) stable" | sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
-          sudo apt-get update
-          sudo apt install -y docker-ce docker-ce-cli
-      - name: Prepare for VDPA
-        if: ${{ github.event_name != 'pull_request' || (matrix.runner == 'garm-jammy' && matrix.libc == 'gnu') }}
-        run: scripts/prepare_vdpa.sh
-      - name: Run unit tests
-        if: ${{ github.event_name != 'pull_request' || (matrix.runner == 'garm-jammy' && matrix.libc == 'gnu') }}
-        run: scripts/dev_cli.sh tests --unit --libc ${{ matrix.libc }}
-      - name: Load openvswitch module
-        if: ${{ github.event_name != 'pull_request' || (matrix.runner == 'garm-jammy' && matrix.libc == 'gnu') }}
-        run: sudo modprobe openvswitch
-      - name: Run integration tests
-        if: ${{ github.event_name != 'pull_request' || (matrix.runner == 'garm-jammy' && matrix.libc == 'gnu') }}
-        timeout-minutes: 40
-        run: scripts/dev_cli.sh tests --integration --libc ${{ matrix.libc }}
-      - name: Run live-migration integration tests
-        if: ${{ github.event_name != 'pull_request' || (matrix.runner == 'garm-jammy' && matrix.libc == 'gnu') }}
-        timeout-minutes: 20
-        run: scripts/dev_cli.sh tests --integration-live-migration --libc ${{ matrix.libc }}
-      - name: Skipping build for PR
-        if: ${{ github.event_name == 'pull_request' && matrix.runner != 'garm-jammy' && matrix.libc != 'gnu' }}
-        run: echo "Skipping build for PR"

.github/workflows/openapi.yaml

@@ -1,14 +0,0 @@
-name: Cloud Hypervisor OpenAPI Validation
-on: [pull_request, merge_group]
-
-jobs:
-  Validate:
-    runs-on: ubuntu-latest
-    container: openapitools/openapi-generator-cli
-    steps:
-    - uses: actions/checkout@v4
-    - name: Validate OpenAPI
-      env:
-        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-      run: |
-        /usr/local/bin/docker-entrypoint.sh validate -i vmm/src/api/openapi/cloud-hypervisor.yaml

.github/workflows/quality.yaml

@@ -1,11 +1,9 @@
 name: Cloud Hypervisor Quality Checks
-on: [pull_request, merge_group]
-concurrency:
-  group: ${{ github.workflow }}-${{ github.ref }}
-  cancel-in-progress: true
+on: [pull_request, create]
 
 jobs:
   build:
+    if: github.event_name == 'pull_request'
     name: Quality (clippy, rustfmt)
     runs-on: ubuntu-latest
     continue-on-error: ${{ matrix.experimental }}
@@ -36,7 +34,7 @@ jobs:
             experimental: true
     steps:
       - name: Code checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v3
         with:
           fetch-depth: 0
 
@@ -48,8 +46,8 @@ jobs:
           override: true
           components: rustfmt, clippy
 
-      - name: Bisectability Check (default features)
-        if: ${{ github.event_name == 'pull_request' && matrix.target == 'x86_64-unknown-linux-gnu' }}
+      - name: Debug Check (default features)
+        if: ${{ matrix.target == 'x86_64-unknown-linux-gnu' }}
         run: |
           set -e
           commits=$(git rev-list origin/${{ github.base_ref }}..${{ github.sha }})
@@ -111,14 +109,6 @@ jobs:
           command: clippy
           args: --target=${{ matrix.target }} --locked --all --all-targets --no-default-features --tests --examples --features "sev_snp" -- -D warnings -D clippy::undocumented_unsafe_blocks
 
-      - name: Clippy (igvm)
-        if: ${{ matrix.target == 'x86_64-unknown-linux-gnu' }}
-        uses: actions-rs/cargo@v1
-        with:
-          use-cross: ${{ matrix.target != 'x86_64-unknown-linux-gnu' }}
-          command: clippy
-          args: --target=${{ matrix.target }} --locked --all --all-targets --no-default-features --tests --examples --features "igvm" -- -D warnings -D clippy::undocumented_unsafe_blocks
-
       - name: Clippy (kvm + tdx)
         if: ${{ matrix.target == 'x86_64-unknown-linux-gnu' }}
         uses: actions-rs/cargo@v1
@@ -135,6 +125,6 @@ jobs:
     name: Typos / Spellcheck
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v3
       # Executes "typos ."
       - uses: crate-ci/typos@v1.16.11

.github/workflows/release.yaml

@@ -1,17 +1,14 @@
 name: Cloud Hypervisor Release
-on: [create, merge_group]
-concurrency:
-  group: ${{ github.workflow }}-${{ github.ref }}-${{ github.event_name }}
-  cancel-in-progress: true
+on: [pull_request, create]
 
 jobs:
   release:
-    if: (github.event_name == 'create' && github.event.ref_type == 'tag') || github.event_name == 'merge_group'
+    if: (github.event_name == 'create' && github.event.ref_type == 'tag') || github.event_name == 'pull_request'
     name: Release
     runs-on: ubuntu-latest
     steps:
       - name: Code checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v2
       - name: Install musl-gcc
         run: sudo apt install -y musl-tools
       - name: Create release directory
@@ -19,29 +16,29 @@ jobs:
       - name: Install Rust toolchain (x86_64-unknown-linux-gnu)
         uses: actions-rs/toolchain@v1
         with:
-          toolchain: "1.70"
+          toolchain: "1.67.1"
           target: x86_64-unknown-linux-gnu
       - name: Install Rust toolchain (x86_64-unknown-linux-musl)
         uses: actions-rs/toolchain@v1
         with:
-          toolchain: "1.70"
+          toolchain: "1.67.1"
           target: x86_64-unknown-linux-musl
       - name: Build
         uses: actions-rs/cargo@v1
         with:
-          toolchain: "1.70"
+          toolchain: "1.67.1"
           command: build
           args: --all --release --features mshv --target=x86_64-unknown-linux-gnu
       - name: Static Build
         uses: actions-rs/cargo@v1
         with:
-          toolchain: "1.70"
+          toolchain: "1.67.1"
           command: build
           args: --all --release --features mshv --target=x86_64-unknown-linux-musl
       - name: Install Rust toolchain (aarch64-unknown-linux-musl)
         uses: actions-rs/toolchain@v1
         with:
-          toolchain: "1.70"
+          toolchain: "1.67.1"
           target: aarch64-unknown-linux-musl
           override: true
       - name: Create Release

.gitlint

@@ -1,15 +0,0 @@
-[general]
-extra-path=scripts/gitlint/rules.py
-regex-style-search=true
-
-[ignore-by-author-name]
-regex=dependabot
-ignore=all
-
-# default 72
-[title-max-length]
-line-length=72
-
-# default 80
-[body-max-line-length]
-line-length=72

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "cloud-hypervisor"
-version = "37.1.0"
+version = "36.1.0"
 authors = ["The Cloud Hypervisor Authors"]
 edition = "2021"
 default-run = "cloud-hypervisor"
@@ -15,7 +15,7 @@ homepage = "https://github.com/cloud-hypervisor/cloud-hypervisor"
 # a.) A dependency requires it,
 # b.) If we want to use a new feature and that MSRV is at least 6 months old,
 # c.) There is a security issue that is addressed by the toolchain update.
-rust-version = "1.70"
+rust-version = "1.66"
 
 [profile.release]
 lto = true
@@ -31,13 +31,13 @@ debug = true
 [dependencies]
 anyhow = "1.0.75"
 api_client = { path = "api_client" }
-clap = { version = "4.4.7", features = ["string"] }
+clap = { version = "4.3.11", features = ["string"] }
 dhat = { version = "0.3.2", optional = true }
 epoll = "4.3.3"
 event_monitor = { path = "event_monitor" }
 hypervisor = { path = "hypervisor" }
 libc = "0.2.147"
-log = { version = "0.4.20", features = ["std"] }
+log = { version = "0.4.17", features = ["std"] }
 option_parser = { path = "option_parser" }
 seccompiler = "0.4.0"
 serde_json = "1.0.107"
@@ -46,14 +46,15 @@ thiserror = "1.0.40"
 tpm = { path = "tpm"}
 tracer = { path = "tracer" }
 vmm = { path = "vmm" }
-vmm-sys-util = "0.12.1"
-vm-memory = "0.14.0"
+vmm-sys-util = "0.11.0"
+vm-memory = "0.12.2"
 zbus = { version = "3.11.1", optional = true }
 
 # List of patched crates
 [patch.crates-io]
-kvm-bindings = { git = "https://github.com/cloud-hypervisor/kvm-bindings", branch = "ch-live-upgrade-stable-37.x" }
-versionize_derive = { git = "https://github.com/cloud-hypervisor/versionize_derive", branch = "ch-0.1.6" }
+kvm-bindings = { git = "https://github.com/cloud-hypervisor/kvm-bindings", branch = "ch-v0.6.0-tdx" }
+kvm-ioctls = { git = "https://github.com/rust-vmm/kvm-ioctls", branch = "main" }
+versionize_derive = { git = "https://github.com/cloud-hypervisor/versionize_derive", branch = "ch" }
 
 [dev-dependencies]
 dirs = "5.0.0"
@@ -70,11 +71,10 @@ default = ["kvm", "io_uring"]
 dbus_api = ["zbus", "vmm/dbus_api"]
 dhat-heap = ["dhat"] # For heap profiling
 guest_debug = ["vmm/guest_debug"]
-igvm = ["vmm/igvm", "mshv"]
 io_uring = ["vmm/io_uring"]
 kvm = ["vmm/kvm"]
 mshv = ["vmm/mshv"]
-sev_snp = ["igvm", "vmm/sev_snp", "mshv"]
+sev_snp = ["vmm/sev_snp", "mshv"]
 tdx = ["vmm/tdx"]
 tracing = ["vmm/tracing", "tracer/tracing"]
 

Jenkinsfile

@@ -0,0 +1,509 @@
+def runWorkers = true
+pipeline {
+    agent none
+    options {
+        timeout(time: 4, unit: 'HOURS')
+    }
+    stages {
+        stage('Early checks') {
+            agent { node { label 'built-in' } }
+            stages {
+                stage('Checkout') {
+                    steps {
+                        checkout scm
+                    }
+                }
+                stage('Check if worker build can be skipped') {
+                    when {
+                        expression {
+                            return skipWorkerBuild()
+                        }
+                    }
+                    steps {
+                        script {
+                            runWorkers = false
+                            echo 'No changes requiring a build'
+                        }
+                    }
+                }
+                stage('Check for RFC/WIP builds') {
+                    when {
+                        changeRequest comparator: 'REGEXP', title: '.*(rfc|RFC|wip|WIP).*'
+                        beforeAgent true
+                    }
+                    steps {
+                        error('Failing as this is marked as a WIP or RFC PR.')
+                    }
+                }
+                stage('Cancel older builds') {
+                    when { not { branch 'main' } }
+                    steps {
+                        cancelPreviousBuilds()
+                    }
+                }
+            }
+        }
+        stage('Build') {
+            parallel {
+                stage('Worker build') {
+                    agent { node { label 'jammy' } }
+                    when {
+                        beforeAgent true
+                        expression {
+                            return runWorkers
+                        }
+                    }
+                    stages {
+                        stage('Checkout') {
+                            steps {
+                                checkout scm
+                            }
+                        }
+                        stage('Prepare environment') {
+                            steps {
+                                sh 'scripts/prepare_vdpa.sh'
+                            }
+                        }
+                        stage('Run OpenAPI tests') {
+                            steps {
+                                sh 'scripts/run_openapi_tests.sh'
+                            }
+                        }
+                        stage('Run unit tests') {
+                            steps {
+                                sh 'scripts/dev_cli.sh tests --unit'
+                            }
+                        }
+                        stage('Run integration tests') {
+                            options {
+                                timeout(time: 1, unit: 'HOURS')
+                            }
+                            steps {
+                                sh 'sudo modprobe openvswitch'
+                                sh 'scripts/dev_cli.sh tests --integration'
+                            }
+                        }
+                        stage('Run live-migration integration tests') {
+                            options {
+                                timeout(time: 1, unit: 'HOURS')
+                            }
+                            steps {
+                                sh 'sudo modprobe openvswitch'
+                                sh 'scripts/dev_cli.sh tests --integration-live-migration'
+                            }
+                        }
+                        stage('Run unit tests for musl') {
+                            steps {
+                                sh 'scripts/dev_cli.sh tests --unit --libc musl'
+                            }
+                        }
+                        stage('Run integration tests for musl') {
+                            options {
+                                timeout(time: 1, unit: 'HOURS')
+                            }
+                            steps {
+                                sh 'sudo modprobe openvswitch'
+                                sh 'scripts/dev_cli.sh tests --integration --libc musl'
+                            }
+                        }
+                        stage('Run live-migration integration tests for musl') {
+                            options {
+                                timeout(time: 1, unit: 'HOURS')
+                            }
+                            steps {
+                                sh 'sudo modprobe openvswitch'
+                                sh 'scripts/dev_cli.sh tests --integration-live-migration --libc musl'
+                            }
+                        }
+                    }
+                }
+                stage('Worker build - AMD') {
+                    agent { node { label 'jammy-amd' } }
+                    when {
+                        beforeAgent true
+                        expression {
+                            return runWorkers
+                        }
+                    }
+                    stages {
+                        stage('Checkout') {
+                            steps {
+                                checkout scm
+                            }
+                        }
+                        stage('Prepare environment') {
+                            steps {
+                                sh 'scripts/prepare_vdpa.sh'
+                            }
+                        }
+                        stage('Run integration tests') {
+                            options {
+                                timeout(time: 1, unit: 'HOURS')
+                            }
+                            steps {
+                                sh 'sudo modprobe openvswitch'
+                                sh 'scripts/dev_cli.sh tests --integration -- -- --skip common_parallel::test_vfio'
+                            }
+                        }
+                        stage('Run live-migration integration tests') {
+                            options {
+                                timeout(time: 1, unit: 'HOURS')
+                            }
+                            steps {
+                                sh 'sudo modprobe openvswitch'
+                                sh 'scripts/dev_cli.sh tests --integration-live-migration'
+                            }
+                        }
+                        stage('Run integration tests for musl') {
+                            options {
+                                timeout(time: 1, unit: 'HOURS')
+                            }
+                            steps {
+                                sh 'sudo modprobe openvswitch'
+                                sh 'scripts/dev_cli.sh tests --integration --libc musl -- -- --skip common_parallel::test_vfio'
+                            }
+                        }
+                        stage('Run live-migration integration tests for musl') {
+                            options {
+                                timeout(time: 1, unit: 'HOURS')
+                            }
+                            steps {
+                                sh 'sudo modprobe openvswitch'
+                                sh 'scripts/dev_cli.sh tests --integration-live-migration --libc musl'
+                            }
+                        }
+                    }
+                }
+                stage('AArch64 worker build') {
+                    agent { node { label 'bionic-arm64' } }
+                    when {
+                        beforeAgent true
+                        expression {
+                            return runWorkers
+                        }
+                    }
+                    environment {
+                            AZURE_CONNECTION_STRING = credentials('46b4e7d6-315f-4cc1-8333-b58780863b9b')
+                    }
+                    stages {
+                        stage('Checkout') {
+                            steps {
+                                checkout scm
+                            }
+                        }
+                        stage('Run unit tests') {
+                            steps {
+                                sh 'scripts/dev_cli.sh tests --unit --libc musl'
+                            }
+                        }
+                        stage('Run integration tests') {
+                            options {
+                                timeout(time: 1, unit: 'HOURS')
+                            }
+                            steps {
+                                sh 'sudo modprobe openvswitch'
+                                sh 'scripts/dev_cli.sh tests --integration --libc musl'
+                            }
+                        }
+                        stage('Install azure-cli') {
+                            steps {
+                                installAzureCli('focal', 'arm64')
+                            }
+                        }
+                        stage('Download Windows image') {
+                            steps {
+                                sh '''#!/bin/bash -x
+                                    IMG_BASENAME=windows-11-iot-enterprise-aarch64.raw
+                                    IMG_PATH=$HOME/workloads/$IMG_BASENAME
+                                    IMG_GZ_PATH=$HOME/workloads/$IMG_BASENAME.gz
+                                    IMG_GZ_BLOB_NAME=windows-11-iot-enterprise-aarch64-9-min.raw.gz
+                                    cp "scripts/$IMG_BASENAME.sha1" "$HOME/workloads/"
+                                    pushd "$HOME/workloads"
+                                    if sha1sum "$IMG_BASENAME.sha1" --check; then
+                                        exit
+                                    fi
+                                    popd
+                                    mkdir -p "$HOME/workloads"
+                                    az storage blob download \
+                                        --container-name private-images \
+                                        --file "$IMG_GZ_PATH" \
+                                        --name "$IMG_GZ_BLOB_NAME" \
+                                        --connection-string "$AZURE_CONNECTION_STRING"
+                                    gzip -d $IMG_GZ_PATH
+                                '''
+                            }
+                        }
+                        stage('Run Windows guest integration tests') {
+                            options {
+                                timeout(time: 1, unit: 'HOURS')
+                            }
+                            steps {
+                                sh 'scripts/dev_cli.sh tests --integration-windows --libc musl'
+                            }
+                        }
+                    }
+                    post {
+                        always {
+                            sh "sudo chown -R jenkins.jenkins ${WORKSPACE}"
+                            deleteDir()
+                        }
+                    }
+                }
+                stage('Worker build - Windows guest') {
+                    agent { node { label 'jammy' } }
+                    when {
+                        beforeAgent true
+                        expression {
+                            return runWorkers
+                        }
+                    }
+                    environment {
+                            AZURE_CONNECTION_STRING = credentials('46b4e7d6-315f-4cc1-8333-b58780863b9b')
+                    }
+                    stages {
+                        stage('Checkout') {
+                            steps {
+                                checkout scm
+                            }
+                        }
+                        stage('Install azure-cli') {
+                            steps {
+                                installAzureCli('jammy', 'amd64')
+                            }
+                        }
+                        stage('Download assets') {
+                            steps {
+                                sh "mkdir ${env.HOME}/workloads"
+                                sh 'az storage blob download --container-name private-images --file "$HOME/workloads/windows-server-2022-amd64-2.raw" --name windows-server-2022-amd64-2.raw --connection-string "$AZURE_CONNECTION_STRING"'
+                            }
+                        }
+                        stage('Run Windows guest integration tests') {
+                            options {
+                                timeout(time: 1, unit: 'HOURS')
+                            }
+                            steps {
+                                sh 'scripts/dev_cli.sh tests --integration-windows'
+                            }
+                        }
+                        stage('Run Windows guest integration tests for musl') {
+                            options {
+                                timeout(time: 1, unit: 'HOURS')
+                            }
+                            steps {
+                                sh 'scripts/dev_cli.sh tests --integration-windows --libc musl'
+                            }
+                        }
+                    }
+                }
+                stage('Worker build - Metrics') {
+                    agent { node { label 'jammy-metrics' } }
+                    when {
+                        branch 'main'
+                        beforeAgent true
+                        expression {
+                            return runWorkers
+                        }
+                    }
+                    environment {
+                        METRICS_PUBLISH_KEY = credentials('52e0945f-ce7a-43d1-87af-67d1d87cc40f')
+                    }
+                    stages {
+                        stage('Checkout') {
+                            steps {
+                                checkout scm
+                            }
+                        }
+                        stage('Run metrics tests') {
+                            options {
+                                timeout(time: 1, unit: 'HOURS')
+                            }
+                            steps {
+                                sh 'scripts/dev_cli.sh tests --metrics -- -- --report-file /root/workloads/metrics.json'
+                            }
+                        }
+                        stage('Upload metrics report') {
+                            steps {
+                                sh 'curl -X PUT https://cloud-hypervisor-metrics.azurewebsites.net/api/publishmetrics -H "x-functions-key: $METRICS_PUBLISH_KEY" -T ~/workloads/metrics.json'
+                            }
+                        }
+                    }
+                }
+                stage('Worker build - Rate Limiter') {
+                    agent { node { label 'focal-metrics' } }
+                    when {
+                        branch 'main'
+                        beforeAgent true
+                        expression {
+                            return runWorkers
+                        }
+                    }
+                    stages {
+                        stage('Checkout') {
+                            steps {
+                                checkout scm
+                            }
+                        }
+                        stage('Run rate-limiter integration tests') {
+                            options {
+                                timeout(time: 10, unit: 'MINUTES')
+                            }
+                            steps {
+                                sh 'scripts/dev_cli.sh tests --integration-rate-limiter'
+                            }
+                        }
+                    }
+                }
+                stage('Worker build - SGX') {
+                    agent { node { label 'jammy-sgx' } }
+                    when {
+                        beforeAgent true
+                        allOf {
+                            branch 'main'
+                            expression {
+                                return runWorkers
+                            }
+                        }
+                    }
+                    stages {
+                        stage('Checkout') {
+                            steps {
+                                checkout scm
+                            }
+                        }
+                        stage('Run SGX integration tests') {
+                            options {
+                                timeout(time: 1, unit: 'HOURS')
+                            }
+                            steps {
+                                sh 'scripts/dev_cli.sh tests --integration-sgx'
+                            }
+                        }
+                        stage('Run SGX integration tests for musl') {
+                            options {
+                                timeout(time: 1, unit: 'HOURS')
+                            }
+                            steps {
+                                sh 'scripts/dev_cli.sh tests --integration-sgx --libc musl'
+                            }
+                        }
+                    }
+                    post {
+                        always {
+                            sh "sudo chown -R jenkins.jenkins ${WORKSPACE}"
+                            deleteDir()
+                        }
+                    }
+                }
+                stage('Worker build - VFIO') {
+                    agent { node { label 'jammy-vfio' } }
+                    when {
+                        beforeAgent true
+                        allOf {
+                            branch 'main'
+                            expression {
+                                return runWorkers
+                            }
+                        }
+                    }
+                    stages {
+                        stage('Checkout') {
+                            steps {
+                                checkout scm
+                            }
+                        }
+                        stage('Run VFIO integration tests') {
+                            options {
+                                timeout(time: 1, unit: 'HOURS')
+                            }
+                            steps {
+                                sh 'scripts/dev_cli.sh tests --integration-vfio'
+                            }
+                        }
+                        stage('Run VFIO integration tests for musl') {
+                            options {
+                                timeout(time: 1, unit: 'HOURS')
+                            }
+                            steps {
+                                sh 'scripts/dev_cli.sh tests --integration-vfio --libc musl'
+                            }
+                        }
+                    }
+                    post {
+                        always {
+                            sh "sudo chown -R jenkins.jenkins ${WORKSPACE}"
+                            deleteDir()
+                        }
+                    }
+                }
+            }
+        }
+    }
+    post {
+        regression {
+            script {
+                if (env.BRANCH_NAME == 'main') {
+                    slackSend(color: '#ff0000', message: '"main" branch build is now failing', channel: '#jenkins-ci')
+                }
+            }
+        }
+        fixed {
+            script {
+                if (env.BRANCH_NAME == 'main') {
+                    slackSend(color: '#00ff00', message: '"main" branch build is now fixed', channel: '#jenkins-ci')
+                }
+            }
+        }
+    }
+}
+
+def cancelPreviousBuilds() {
+    // Check for other instances of this particular build, cancel any that are older than the current one
+    def jobName = env.JOB_NAME
+    def currentBuildNumber = env.BUILD_NUMBER.toInteger()
+    def currentJob = Jenkins.instance.getItemByFullName(jobName)
+
+    // Loop through all instances of this particular job/branch
+    for (def build : currentJob.builds) {
+        if (build.isBuilding() && (build.number.toInteger() < currentBuildNumber)) {
+            echo "Older build still queued. Sending kill signal to build number: ${build.number}"
+            build.doStop()
+        }
+    }
+}
+
+def installAzureCli(distro, arch) {
+    sh 'sudo apt install -y ca-certificates curl apt-transport-https lsb-release gnupg'
+    sh 'curl -sL https://packages.microsoft.com/keys/microsoft.asc | gpg --dearmor | sudo tee /etc/apt/trusted.gpg.d/microsoft.gpg > /dev/null'
+    sh "echo \"deb [arch=${arch}] https://packages.microsoft.com/repos/azure-cli/ ${distro} main\" | sudo tee /etc/apt/sources.list.d/azure-cli.list"
+    sh 'sudo apt update'
+    sh 'sudo apt install -y azure-cli'
+}
+
+def boolean skipWorkerBuild() {
+    if (env.CHANGE_TARGET == null) {
+        return false
+    }
+
+    if (sh(
+        returnStatus: true,
+        script: "git diff --name-only origin/${env.CHANGE_TARGET}... | grep -v '\\.md'"
+    ) != 0) {
+        return true
+    }
+
+    if (sh(
+        returnStatus: true,
+        script: "git diff --name-only origin/${env.CHANGE_TARGET}... | grep -v -E 'fuzz/'"
+    ) != 0) {
+        return true
+    }
+
+    if (sh(
+        returnStatus: true,
+        script: "git diff --name-only origin/${env.CHANGE_TARGET}... | grep -v -E '.github/'"
+    ) != 0) {
+        return true
+    }
+
+    return false
+}

api_client/Cargo.toml

@@ -5,4 +5,4 @@ authors = ["The Cloud Hypervisor Authors"]
 edition = "2021"
 
 [dependencies]
-vmm-sys-util = "0.12.1"
+vmm-sys-util = "0.11.0"

arch/Cargo.toml

@@ -14,16 +14,16 @@ anyhow = "1.0.75"
 byteorder = "1.4.3"
 hypervisor = { path = "../hypervisor" }
 libc = "0.2.147"
-linux-loader = { version = "0.11.0", features = ["elf", "bzimage", "pe"] }
-log = "0.4.20"
+linux-loader = { version = "0.9.1", features = ["elf", "bzimage", "pe"] }
+log = "0.4.17"
 serde = { version = "1.0.168", features = ["rc", "derive"] }
 thiserror = "1.0.40"
 uuid = "1.3.4"
-versionize = "0.2.0"
-versionize_derive = "0.1.6"
-vm-memory = { version = "0.14.0", features = ["backend-mmap", "backend-bitmap"] }
+versionize = "0.1.10"
+versionize_derive = "0.1.4"
+vm-memory = { version = "0.12.2", features = ["backend-mmap", "backend-bitmap"] }
 vm-migration = { path = "../vm-migration" }
-vmm-sys-util = { version = "0.12.1", features = ["with-serde"] }
+vmm-sys-util = { version = "0.11.0", features = ["with-serde"] }
 
 [target.'cfg(target_arch = "aarch64")'.dependencies]
 fdt_parser = { version = "0.1.4", package = "fdt" }

arch/src/aarch64/uefi.rs

@@ -1,9 +1,8 @@
 // Copyright 2020 Arm Limited (or its affiliates). All rights reserved.
 
 use std::io::{Read, Seek, SeekFrom};
-use std::os::fd::AsFd;
 use std::result;
-use vm_memory::{GuestAddress, GuestMemory};
+use vm_memory::{Bytes, GuestAddress, GuestMemory};
 
 /// Errors thrown while loading UEFI binary
 #[derive(Debug)]
@@ -25,7 +24,7 @@ pub fn load_uefi<F, M: GuestMemory>(
     uefi_image: &mut F,
 ) -> Result<()>
 where
-    F: Read + Seek + AsFd,
+    F: Read + Seek,
 {
     let uefi_size = uefi_image
         .seek(SeekFrom::End(0))
@@ -37,6 +36,6 @@ where
     }
     uefi_image.rewind().map_err(|_| Error::SeekUefiStart)?;
     guest_mem
-        .read_exact_volatile_from(guest_addr, &mut uefi_image.as_fd(), uefi_size)
+        .read_exact_from(guest_addr, uefi_image, uefi_size)
         .map_err(|_| Error::ReadUefiImage)
 }

arch/src/lib.rs

@@ -91,9 +91,8 @@ pub mod x86_64;
 #[cfg(target_arch = "x86_64")]
 pub use x86_64::{
     arch_memory_regions, configure_system, configure_vcpu, generate_common_cpuid,
-    generate_ram_ranges, get_host_cpu_phys_bits, initramfs_load_addr, layout,
-    layout::CMDLINE_MAX_SIZE, layout::CMDLINE_START, regs, CpuidConfig, CpuidFeatureEntry,
-    EntryPoint, _NSIG,
+    get_host_cpu_phys_bits, initramfs_load_addr, layout, layout::CMDLINE_MAX_SIZE,
+    layout::CMDLINE_START, regs, CpuidConfig, CpuidFeatureEntry, EntryPoint, _NSIG,
 };
 
 /// Safe wrapper for `sysconf(_SC_PAGESIZE)`.

arch/src/x86_64/mod.rs

@@ -17,13 +17,14 @@ use crate::InitramfsConfig;
 use crate::RegionType;
 use hypervisor::arch::x86::{CpuIdEntry, CPUID_FLAG_VALID_INDEX};
 use hypervisor::{CpuVendor, HypervisorCpuError, HypervisorError};
+use linux_loader::loader::bootparam::boot_params;
 use linux_loader::loader::elf::start_info::{
     hvm_memmap_table_entry, hvm_modlist_entry, hvm_start_info,
 };
 use std::collections::BTreeMap;
 use std::mem;
 use vm_memory::{
-    Address, Bytes, GuestAddress, GuestAddressSpace, GuestMemory, GuestMemoryAtomic,
+    Address, ByteValued, Bytes, GuestAddress, GuestAddressSpace, GuestMemory, GuestMemoryAtomic,
     GuestMemoryRegion, GuestUsize,
 };
 mod smbios;
@@ -115,6 +116,38 @@ impl SgxEpcRegion {
     }
 }
 
+// This is a workaround to the Rust enforcement specifying that any implementation of a foreign
+// trait (in this case `DataInit`) where:
+// *    the type that is implementing the trait is foreign or
+// *    all of the parameters being passed to the trait (if there are any) are also foreign
+// is prohibited.
+#[derive(Copy, Clone, Default)]
+struct StartInfoWrapper(hvm_start_info);
+
+#[derive(Copy, Clone, Default)]
+struct MemmapTableEntryWrapper(hvm_memmap_table_entry);
+
+#[derive(Copy, Clone, Default)]
+struct ModlistEntryWrapper(hvm_modlist_entry);
+
+// SAFETY: data structure only contain a series of integers
+unsafe impl ByteValued for StartInfoWrapper {}
+// SAFETY: data structure only contain a series of integers
+unsafe impl ByteValued for MemmapTableEntryWrapper {}
+// SAFETY: data structure only contain a series of integers
+unsafe impl ByteValued for ModlistEntryWrapper {}
+
+// This is a workaround to the Rust enforcement specifying that any implementation of a foreign
+// trait (in this case `DataInit`) where:
+// *    the type that is implementing the trait is foreign or
+// *    all of the parameters being passed to the trait (if there are any) are also foreign
+// is prohibited.
+#[derive(Copy, Clone, Default)]
+struct BootParamsWrapper(boot_params);
+
+// SAFETY: BootParamsWrap is a wrapper over `boot_params` (a series of ints).
+unsafe impl ByteValued for BootParamsWrapper {}
+
 pub struct CpuidConfig {
     pub sgx_epc_sections: Option<Vec<SgxEpcSection>>,
     pub phys_bits: u8,
@@ -188,26 +221,6 @@ impl From<Error> for super::Error {
     }
 }
 
-pub fn get_x2apic_id(cpu_id: u32, topology: Option<(u8, u8, u8)>) -> u32 {
-    if let Some(t) = topology {
-        let thread_mask_width = u8::BITS - (t.0 - 1).leading_zeros();
-        let core_mask_width = u8::BITS - (t.1 - 1).leading_zeros();
-        let die_mask_width = u8::BITS - (t.2 - 1).leading_zeros();
-
-        let thread_id = cpu_id % (t.0 as u32);
-        let core_id = cpu_id / (t.0 as u32) % (t.1 as u32);
-        let die_id = cpu_id / ((t.0 * t.1) as u32) % (t.2 as u32);
-        let socket_id = cpu_id / ((t.0 * t.1 * t.2) as u32);
-
-        return thread_id
-            | (core_id << thread_mask_width)
-            | (die_id << (thread_mask_width + core_mask_width))
-            | (socket_id << (thread_mask_width + core_mask_width + die_mask_width));
-    }
-
-    cpu_id
-}
-
 #[derive(Copy, Clone, Debug)]
 pub enum CpuidReg {
     EAX,
@@ -227,26 +240,6 @@ pub struct CpuidPatch {
 }
 
 impl CpuidPatch {
-    pub fn get_cpuid_reg(
-        cpuid: &[CpuIdEntry],
-        function: u32,
-        index: Option<u32>,
-        reg: CpuidReg,
-    ) -> Option<u32> {
-        for entry in cpuid.iter() {
-            if entry.function == function && (index.is_none() || index.unwrap() == entry.index) {
-                return match reg {
-                    CpuidReg::EAX => Some(entry.eax),
-                    CpuidReg::EBX => Some(entry.ebx),
-                    CpuidReg::ECX => Some(entry.ecx),
-                    CpuidReg::EDX => Some(entry.edx),
-                };
-            }
-        }
-
-        None
-    }
-
     pub fn set_cpuid_reg(
         cpuid: &mut Vec<CpuIdEntry>,
         function: u32,
@@ -784,27 +777,31 @@ pub fn configure_vcpu(
     cpu_vendor: CpuVendor,
     topology: Option<(u8, u8, u8)>,
 ) -> super::Result<()> {
-    let x2apic_id = get_x2apic_id(id as u32, topology);
-
     // Per vCPU CPUID changes; common are handled via generate_common_cpuid()
     let mut cpuid = cpuid;
-    CpuidPatch::set_cpuid_reg(&mut cpuid, 0xb, None, CpuidReg::EDX, x2apic_id);
-    CpuidPatch::set_cpuid_reg(&mut cpuid, 0x1f, None, CpuidReg::EDX, x2apic_id);
+    CpuidPatch::set_cpuid_reg(&mut cpuid, 0xb, None, CpuidReg::EDX, u32::from(id));
+    CpuidPatch::set_cpuid_reg(&mut cpuid, 0x1f, None, CpuidReg::EDX, u32::from(id));
     if matches!(cpu_vendor, CpuVendor::AMD) {
-        CpuidPatch::set_cpuid_reg(&mut cpuid, 0x8000_001e, Some(0), CpuidReg::EAX, x2apic_id);
+        CpuidPatch::set_cpuid_reg(
+            &mut cpuid,
+            0x8000_001e,
+            Some(0),
+            CpuidReg::EAX,
+            u32::from(id),
+        );
+    }
+
+    if let Some(t) = topology {
+        update_cpuid_topology(&mut cpuid, t.0, t.1, t.2, cpu_vendor, id);
     }
 
     // Set ApicId in cpuid for each vcpu
     // SAFETY: get host cpuid when eax=1
     let mut cpu_ebx = unsafe { core::arch::x86_64::__cpuid(1) }.ebx;
     cpu_ebx &= 0xffffff;
-    cpu_ebx |= x2apic_id << 24;
+    cpu_ebx |= (id as u32) << 24;
     CpuidPatch::set_cpuid_reg(&mut cpuid, 0x1, None, CpuidReg::EBX, cpu_ebx);
 
-    if let Some(t) = topology {
-        update_cpuid_topology(&mut cpuid, t.0, t.1, t.2, cpu_vendor, id);
-    }
-
     // The TSC frequency CPUID leaf should not be included when running with HyperV emulation
     if !kvm_hyperv {
         if let Some(tsc_khz) = vcpu.tsc_khz().map_err(Error::GetTscFrequency)? {
@@ -899,7 +896,6 @@ pub fn configure_system(
     serial_number: Option<&str>,
     uuid: Option<&str>,
     oem_strings: Option<&[&str]>,
-    topology: Option<(u8, u8, u8)>,
 ) -> super::Result<()> {
     // Write EBDA address to location where ACPICA expects to find it
     guest_mem
@@ -912,7 +908,7 @@ pub fn configure_system(
     // Place the MP table after the SMIOS table aligned to 16 bytes
     let offset = GuestAddress(layout::SMBIOS_START).unchecked_add(size);
     let offset = GuestAddress((offset.0 + 16) & !0xf);
-    mptable::setup_mptable(offset, guest_mem, _num_cpus, topology).map_err(Error::MpTableSetup)?;
+    mptable::setup_mptable(offset, guest_mem, _num_cpus).map_err(Error::MpTableSetup)?;
 
     // Check that the RAM is not smaller than the RSDP start address
     if let Some(rsdp_addr) = rsdp_addr {
@@ -930,16 +926,52 @@ pub fn configure_system(
     )
 }
 
-type RamRange = (u64, u64);
-
-/// Returns usable physical memory ranges for the guest
-/// These should be used to create e820_RAM memory maps
-///
-/// There are up to two usable physical memory ranges,
-/// divided by the gap at the end of 32bit address space.
-pub fn generate_ram_ranges(
+fn configure_pvh(
     guest_mem: &GuestMemoryMmap,
-) -> super::Result<(RamRange, Option<RamRange>)> {
+    cmdline_addr: GuestAddress,
+    initramfs: &Option<InitramfsConfig>,
+    rsdp_addr: Option<GuestAddress>,
+    sgx_epc_region: Option<SgxEpcRegion>,
+) -> super::Result<()> {
+    const XEN_HVM_START_MAGIC_VALUE: u32 = 0x336ec578;
+
+    let mut start_info: StartInfoWrapper = StartInfoWrapper(hvm_start_info::default());
+
+    start_info.0.magic = XEN_HVM_START_MAGIC_VALUE;
+    start_info.0.version = 1; // pvh has version 1
+    start_info.0.nr_modules = 0;
+    start_info.0.cmdline_paddr = cmdline_addr.raw_value();
+    start_info.0.memmap_paddr = layout::MEMMAP_START.raw_value();
+
+    if let Some(rsdp_addr) = rsdp_addr {
+        start_info.0.rsdp_paddr = rsdp_addr.0;
+    }
+
+    if let Some(initramfs_config) = initramfs {
+        // The initramfs has been written to guest memory already, here we just need to
+        // create the module structure that describes it.
+        let ramdisk_mod: ModlistEntryWrapper = ModlistEntryWrapper(hvm_modlist_entry {
+            paddr: initramfs_config.address.raw_value(),
+            size: initramfs_config.size as u64,
+            ..Default::default()
+        });
+
+        start_info.0.nr_modules += 1;
+        start_info.0.modlist_paddr = layout::MODLIST_START.raw_value();
+
+        // Write the modlist struct to guest memory.
+        guest_mem
+            .write_obj(ramdisk_mod, layout::MODLIST_START)
+            .map_err(super::Error::ModlistSetup)?;
+    }
+
+    // Vector to hold the memory maps which needs to be written to guest memory
+    // at MEMMAP_START after all of the mappings are recorded.
+    let mut memmap: Vec<hvm_memmap_table_entry> = Vec::new();
+
+    // Create the memory map entries.
+    add_memmap_entry(&mut memmap, 0, layout::EBDA_START.raw_value(), E820_RAM);
+
     // Merge continuous memory regions into one region.
     // Note: memory regions from "GuestMemory" are sorted and non-zero sized.
     let ram_regions = {
@@ -974,14 +1006,14 @@ pub fn generate_ram_ranges(
 
     if ram_regions.len() > 2 {
         error!(
-            "There should be up to two usable physical memory ranges, devidided by the
+            "There should be up to two non-continuous regions, devidided by the
             gap at the end of 32bit address space (e.g. between 3G and 4G)."
         );
         return Err(super::Error::MemmapTableSetup);
     }
 
-    // Generate the first usable physical memory range before the gap
-    let first_ram_range = {
+    // Create the memory map entry for memory region before the gap
+    {
         let (first_region_start, first_region_end) =
             ram_regions.first().ok_or(super::Error::MemmapTableSetup)?;
         let high_ram_start = layout::HIGH_RAM_START.raw_value();
@@ -1001,17 +1033,20 @@ pub fn generate_ram_ranges(
         }
 
         info!(
-            "first usable physical memory range, start: 0x{:08x}, end: 0x{:08x}",
+            "create_memmap_entry, start: 0x{:08x}, end: 0x{:08x}",
             high_ram_start, first_region_end
         );
 
-        (high_ram_start, *first_region_end)
-    };
+        add_memmap_entry(
+            &mut memmap,
+            high_ram_start,
+            first_region_end - high_ram_start,
+            E820_RAM,
+        );
+    }
 
-    // Generate the second usable physical memory range after the gap if any
-    let second_ram_range = if let Some((second_region_start, second_region_end)) =
-        ram_regions.get(1)
-    {
+    // Create the memory map entry for memory region after the gap if any
+    if let Some((second_region_start, second_region_end)) = ram_regions.get(1) {
         let ram_64bit_start = layout::RAM_64BIT_START.raw_value();
 
         if second_region_start != &ram_64bit_start {
@@ -1023,91 +1058,14 @@ pub fn generate_ram_ranges(
             return Err(super::Error::MemmapTableSetup);
         }
 
-        info!(
-            "Second usable physical memory range, start: 0x{:08x}, end: 0x{:08x}",
-            ram_64bit_start, second_region_end
-        );
-
-        Some((ram_64bit_start, *second_region_end))
-    } else {
-        None
-    };
-
-    Ok((first_ram_range, second_ram_range))
-}
-
-fn configure_pvh(
-    guest_mem: &GuestMemoryMmap,
-    cmdline_addr: GuestAddress,
-    initramfs: &Option<InitramfsConfig>,
-    rsdp_addr: Option<GuestAddress>,
-    sgx_epc_region: Option<SgxEpcRegion>,
-) -> super::Result<()> {
-    const XEN_HVM_START_MAGIC_VALUE: u32 = 0x336ec578;
-
-    let mut start_info = hvm_start_info {
-        magic: XEN_HVM_START_MAGIC_VALUE,
-        version: 1, // pvh has version 1
-        nr_modules: 0,
-        cmdline_paddr: cmdline_addr.raw_value(),
-        memmap_paddr: layout::MEMMAP_START.raw_value(),
-        ..Default::default()
-    };
-
-    if let Some(rsdp_addr) = rsdp_addr {
-        start_info.rsdp_paddr = rsdp_addr.0;
-    }
-
-    if let Some(initramfs_config) = initramfs {
-        // The initramfs has been written to guest memory already, here we just need to
-        // create the module structure that describes it.
-        let ramdisk_mod = hvm_modlist_entry {
-            paddr: initramfs_config.address.raw_value(),
-            size: initramfs_config.size as u64,
-            ..Default::default()
-        };
-
-        start_info.nr_modules += 1;
-        start_info.modlist_paddr = layout::MODLIST_START.raw_value();
-
-        // Write the modlist struct to guest memory.
-        guest_mem
-            .write_obj(ramdisk_mod, layout::MODLIST_START)
-            .map_err(super::Error::ModlistSetup)?;
-    }
-
-    // Vector to hold the memory maps which needs to be written to guest memory
-    // at MEMMAP_START after all of the mappings are recorded.
-    let mut memmap: Vec<hvm_memmap_table_entry> = Vec::new();
-
-    // Create the memory map entries.
-    add_memmap_entry(&mut memmap, 0, layout::EBDA_START.raw_value(), E820_RAM);
-
-    // Get usable physical memory ranges
-    let (first_ram_range, second_ram_range) = generate_ram_ranges(guest_mem)?;
-
-    // Create e820 memory map entry before the gap
-    info!(
-        "create_memmap_entry, start: 0x{:08x}, end: 0x{:08x}",
-        first_ram_range.0, first_ram_range.1
-    );
-    add_memmap_entry(
-        &mut memmap,
-        first_ram_range.0,
-        first_ram_range.1 - first_ram_range.0,
-        E820_RAM,
-    );
-
-    // Create e820 memory map after the gap if any
-    if let Some(second_ram_range) = second_ram_range {
         info!(
             "create_memmap_entry, start: 0x{:08x}, end: 0x{:08x}",
-            second_ram_range.0, second_ram_range.1
+            ram_64bit_start, second_region_end
         );
         add_memmap_entry(
             &mut memmap,
-            second_ram_range.0,
-            second_ram_range.1 - second_ram_range.0,
+            ram_64bit_start,
+            second_region_end - ram_64bit_start,
             E820_RAM,
         );
     }
@@ -1128,7 +1086,7 @@ fn configure_pvh(
         );
     }
 
-    start_info.memmap_entries = memmap.len() as u32;
+    start_info.0.memmap_entries = memmap.len() as u32;
 
     // Copy the vector with the memmap table to the MEMMAP_START address
     // which is already saved in the memmap_paddr field of hvm_start_info struct.
@@ -1137,14 +1095,17 @@ fn configure_pvh(
     guest_mem
         .checked_offset(
             memmap_start_addr,
-            mem::size_of::<hvm_memmap_table_entry>() * start_info.memmap_entries as usize,
+            mem::size_of::<hvm_memmap_table_entry>() * start_info.0.memmap_entries as usize,
         )
         .ok_or(super::Error::MemmapTablePastRamEnd)?;
 
-    // For every entry in the memmap vector, write it to guest memory.
+    // For every entry in the memmap vector, create a MemmapTableEntryWrapper
+    // and write it to guest memory.
     for memmap_entry in memmap {
+        let map_entry_wrapper: MemmapTableEntryWrapper = MemmapTableEntryWrapper(memmap_entry);
+
         guest_mem
-            .write_obj(memmap_entry, memmap_start_addr)
+            .write_obj(map_entry_wrapper, memmap_start_addr)
             .map_err(|_| super::Error::MemmapTableSetup)?;
         memmap_start_addr =
             memmap_start_addr.unchecked_add(mem::size_of::<hvm_memmap_table_entry>() as u64);
@@ -1230,24 +1191,10 @@ fn update_cpuid_topology(
     cpu_vendor: CpuVendor,
     id: u8,
 ) {
-    let x2apic_id = get_x2apic_id(
-        id as u32,
-        Some((threads_per_core, cores_per_die, dies_per_package)),
-    );
-
     let thread_width = 8 - (threads_per_core - 1).leading_zeros();
     let core_width = (8 - (cores_per_die - 1).leading_zeros()) + thread_width;
     let die_width = (8 - (dies_per_package - 1).leading_zeros()) + core_width;
 
-    let mut cpu_ebx = CpuidPatch::get_cpuid_reg(cpuid, 0x1, None, CpuidReg::EBX).unwrap_or(0);
-    cpu_ebx |= ((dies_per_package as u32) * (cores_per_die as u32) * (threads_per_core as u32))
-        & 0xff << 16;
-    CpuidPatch::set_cpuid_reg(cpuid, 0x1, None, CpuidReg::EBX, cpu_ebx);
-
-    let mut cpu_edx = CpuidPatch::get_cpuid_reg(cpuid, 0x1, None, CpuidReg::EDX).unwrap_or(0);
-    cpu_edx |= 1 << 28;
-    CpuidPatch::set_cpuid_reg(cpuid, 0x1, None, CpuidReg::EDX, cpu_edx);
-
     // CPU Topology leaf 0xb
     CpuidPatch::set_cpuid_reg(cpuid, 0xb, Some(0), CpuidReg::EAX, thread_width);
     CpuidPatch::set_cpuid_reg(
@@ -1306,7 +1253,7 @@ fn update_cpuid_topology(
             0x8000_001e,
             Some(0),
             CpuidReg::EBX,
-            ((threads_per_core as u32 - 1) << 8) | (x2apic_id & 0xff),
+            ((threads_per_core as u32 - 1) << 8) | (id as u32 & 0xff),
         );
         CpuidPatch::set_cpuid_reg(
             cpuid,
@@ -1317,21 +1264,21 @@ fn update_cpuid_topology(
         );
         CpuidPatch::set_cpuid_reg(cpuid, 0x8000_001e, Some(0), CpuidReg::EDX, 0);
         if cores_per_die * threads_per_core > 1 {
-            let ecx =
-                CpuidPatch::get_cpuid_reg(cpuid, 0x8000_0001, Some(0), CpuidReg::ECX).unwrap_or(0);
             CpuidPatch::set_cpuid_reg(
                 cpuid,
                 0x8000_0001,
                 Some(0),
                 CpuidReg::ECX,
-                ecx | (1u32 << 1) | (1u32 << 22),
+                (1u32 << 1) | (1u32 << 22),
             );
             CpuidPatch::set_cpuid_reg(
                 cpuid,
                 0x0000_0001,
                 Some(0),
                 CpuidReg::EBX,
-                (x2apic_id << 24) | (8 << 8) | (((cores_per_die * threads_per_core) as u32) << 16),
+                ((id as u32) << 24)
+                    | (8 << 8)
+                    | (((cores_per_die * threads_per_core) as u32) << 16),
             );
             let cpuid_patches = vec![
                 // Patch tsc deadline timer bit
@@ -1436,7 +1383,6 @@ mod tests {
             None,
             None,
             None,
-            None,
         );
         assert!(config_err.is_err());
 
@@ -1459,7 +1405,6 @@ mod tests {
             None,
             None,
             None,
-            None,
         )
         .unwrap();
 
@@ -1487,7 +1432,6 @@ mod tests {
             None,
             None,
             None,
-            None,
         )
         .unwrap();
 
@@ -1501,7 +1445,6 @@ mod tests {
             None,
             None,
             None,
-            None,
         )
         .unwrap();
     }
@@ -1530,25 +1473,4 @@ mod tests {
 
         assert_eq!(format!("{memmap:?}"), format!("{expected_memmap:?}"));
     }
-
-    #[test]
-    fn test_get_x2apic_id() {
-        let x2apic_id = get_x2apic_id(0, Some((2, 3, 1)));
-        assert_eq!(x2apic_id, 0);
-
-        let x2apic_id = get_x2apic_id(1, Some((2, 3, 1)));
-        assert_eq!(x2apic_id, 1);
-
-        let x2apic_id = get_x2apic_id(2, Some((2, 3, 1)));
-        assert_eq!(x2apic_id, 2);
-
-        let x2apic_id = get_x2apic_id(6, Some((2, 3, 1)));
-        assert_eq!(x2apic_id, 8);
-
-        let x2apic_id = get_x2apic_id(7, Some((2, 3, 1)));
-        assert_eq!(x2apic_id, 9);
-
-        let x2apic_id = get_x2apic_id(8, Some((2, 3, 1)));
-        assert_eq!(x2apic_id, 10);
-    }
 }

arch/src/x86_64/mptable.rs

@@ -6,9 +6,10 @@
 // found in the LICENSE-BSD-3-Clause file.
 
 use crate::layout::{APIC_START, HIGH_RAM_START, IOAPIC_START};
-use crate::x86_64::{get_x2apic_id, mpspec};
+use crate::x86_64::mpspec;
 use crate::GuestMemoryMmap;
 use libc::c_char;
+use std::io;
 use std::mem;
 use std::result;
 use std::slice;
@@ -125,18 +126,9 @@ fn compute_mp_size(num_cpus: u8) -> usize {
 }
 
 /// Performs setup of the MP table for the given `num_cpus`.
-pub fn setup_mptable(
-    offset: GuestAddress,
-    mem: &GuestMemoryMmap,
-    num_cpus: u8,
-    topology: Option<(u8, u8, u8)>,
-) -> Result<()> {
-    if num_cpus > 0 {
-        let cpu_id_max = num_cpus - 1;
-        let x2apic_id_max = get_x2apic_id(cpu_id_max.into(), topology);
-        if x2apic_id_max >= MAX_SUPPORTED_CPUS {
-            return Err(Error::TooManyCpus);
-        }
+pub fn setup_mptable(offset: GuestAddress, mem: &GuestMemoryMmap, num_cpus: u8) -> Result<()> {
+    if num_cpus as u32 > MAX_SUPPORTED_CPUS {
+        return Err(Error::TooManyCpus);
     }
 
     // Used to keep track of the next base pointer into the MP table.
@@ -150,7 +142,7 @@ pub fn setup_mptable(
     }
 
     let mut checksum: u8 = 0;
-    let ioapicid: u8 = MAX_SUPPORTED_CPUS as u8 + 1;
+    let ioapicid: u8 = num_cpus + 1;
 
     // The checked_add here ensures the all of the following base_mp.unchecked_add's will be without
     // overflow.
@@ -162,7 +154,7 @@ pub fn setup_mptable(
         return Err(Error::AddressOverflow);
     }
 
-    mem.read_exact_volatile_from(base_mp, &mut vec![0; mp_size].as_slice(), mp_size)
+    mem.read_exact_from(base_mp, &mut io::repeat(0), mp_size)
         .map_err(Error::Clear)?;
 
     {
@@ -188,7 +180,7 @@ pub fn setup_mptable(
         for cpu_id in 0..num_cpus {
             let mut mpc_cpu = MpcCpuWrapper(mpspec::mpc_cpu::default());
             mpc_cpu.0.type_ = mpspec::MP_PROCESSOR as u8;
-            mpc_cpu.0.apicid = get_x2apic_id(cpu_id as u32, topology) as u8;
+            mpc_cpu.0.apicid = cpu_id;
             mpc_cpu.0.apicver = APIC_VERSION;
             mpc_cpu.0.cpuflag = mpspec::CPU_ENABLED as u8
                 | if cpu_id == 0 {
@@ -299,10 +291,7 @@ pub fn setup_mptable(
 mod tests {
     use super::*;
     use crate::layout::MPTABLE_START;
-    use vm_memory::{
-        bitmap::BitmapSlice, GuestAddress, GuestUsize, VolatileMemoryError, VolatileSlice,
-        WriteVolatile,
-    };
+    use vm_memory::{GuestAddress, GuestUsize};
 
     fn table_entry_size(type_: u8) -> usize {
         match type_ as u32 {
@@ -321,7 +310,7 @@ mod tests {
         let mem =
             GuestMemoryMmap::from_ranges(&[(MPTABLE_START, compute_mp_size(num_cpus))]).unwrap();
 
-        setup_mptable(MPTABLE_START, &mem, num_cpus, None).unwrap();
+        setup_mptable(MPTABLE_START, &mem, num_cpus).unwrap();
     }
 
     #[test]
@@ -330,7 +319,7 @@ mod tests {
         let mem = GuestMemoryMmap::from_ranges(&[(MPTABLE_START, compute_mp_size(num_cpus) - 1)])
             .unwrap();
 
-        assert!(setup_mptable(MPTABLE_START, &mem, num_cpus, None).is_err());
+        assert!(setup_mptable(MPTABLE_START, &mem, num_cpus).is_err());
     }
 
     #[test]
@@ -339,7 +328,7 @@ mod tests {
         let mem =
             GuestMemoryMmap::from_ranges(&[(MPTABLE_START, compute_mp_size(num_cpus))]).unwrap();
 
-        setup_mptable(MPTABLE_START, &mem, num_cpus, None).unwrap();
+        setup_mptable(MPTABLE_START, &mem, num_cpus).unwrap();
 
         let mpf_intel: MpfIntelWrapper = mem.read_obj(MPTABLE_START).unwrap();
 
@@ -355,31 +344,27 @@ mod tests {
         let mem =
             GuestMemoryMmap::from_ranges(&[(MPTABLE_START, compute_mp_size(num_cpus))]).unwrap();
 
-        setup_mptable(MPTABLE_START, &mem, num_cpus, None).unwrap();
+        setup_mptable(MPTABLE_START, &mem, num_cpus).unwrap();
 
         let mpf_intel: MpfIntelWrapper = mem.read_obj(MPTABLE_START).unwrap();
         let mpc_offset = GuestAddress(mpf_intel.0.physptr as GuestUsize);
         let mpc_table: MpcTableWrapper = mem.read_obj(mpc_offset).unwrap();
 
         struct Sum(u8);
-        impl WriteVolatile for Sum {
-            fn write_volatile<B: BitmapSlice>(
-                &mut self,
-                buf: &VolatileSlice<B>,
-            ) -> result::Result<usize, VolatileMemoryError> {
-                let mut tmp = vec![0u8; buf.len()];
-                tmp.write_all_volatile(buf)?;
-
-                for v in tmp.iter() {
+        impl io::Write for Sum {
+            fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
+                for v in buf.iter() {
                     self.0 = self.0.wrapping_add(*v);
                 }
-
                 Ok(buf.len())
             }
+            fn flush(&mut self) -> io::Result<()> {
+                Ok(())
+            }
         }
 
         let mut sum = Sum(0);
-        mem.write_volatile_to(mpc_offset, &mut sum, mpc_table.0.length as usize)
+        mem.write_to(mpc_offset, &mut sum, mpc_table.0.length as usize)
             .unwrap();
         assert_eq!(sum.0, 0);
     }
@@ -393,7 +378,7 @@ mod tests {
         .unwrap();
 
         for i in 0..MAX_SUPPORTED_CPUS as u8 {
-            setup_mptable(MPTABLE_START, &mem, i, None).unwrap();
+            setup_mptable(MPTABLE_START, &mem, i).unwrap();
 
             let mpf_intel: MpfIntelWrapper = mem.read_obj(MPTABLE_START).unwrap();
             let mpc_offset = GuestAddress(mpf_intel.0.physptr as GuestUsize);
@@ -426,7 +411,7 @@ mod tests {
         let mem =
             GuestMemoryMmap::from_ranges(&[(MPTABLE_START, compute_mp_size(cpus as u8))]).unwrap();
 
-        let result = setup_mptable(MPTABLE_START, &mem, cpus as u8, None);
+        let result = setup_mptable(MPTABLE_START, &mem, cpus as u8);
         assert!(result.is_err());
     }
 }

block/Cargo.toml

@@ -10,18 +10,18 @@ io_uring = ["dep:io-uring"]
 
 [dependencies]
 byteorder = "1.4.3"
-crc-any = "2.4.4"
-io-uring = { version = "0.6.2", optional = true }
+crc32c = "0.6.4"
+io-uring = { version = "0.6.1", optional = true }
 libc = "0.2.147"
-log = "0.4.20"
+log = "0.4.17"
 remain = "0.2.11"
 smallvec = "1.11.0"
 thiserror = "1.0.40"
 uuid = { version = "1.3.4", features = ["v4"] }
-versionize = "0.2.0"
-versionize_derive = "0.1.6"
+versionize = "0.1.10"
+versionize_derive = "0.1.4"
 virtio-bindings = { version = "0.2.0", features = ["virtio-v5_0_0"] }
-virtio-queue = "0.11.0"
-vm-memory = { version = "0.14.0", features = ["backend-mmap", "backend-atomic", "backend-bitmap"] }
+virtio-queue = "0.9.0"
+vm-memory = { version = "0.12.2", features = ["backend-mmap", "backend-atomic", "backend-bitmap"] }
 vm-virtio = { path = "../vm-virtio" }
-vmm-sys-util = "0.12.1"
+vmm-sys-util = "0.11.0"

block/src/lib.rs

@@ -143,14 +143,10 @@ pub enum ExecuteError {
     Flush(io::Error),
     #[error("Failed to read: {0}")]
     Read(GuestMemoryError),
-    #[error("Failed to read_exact: {0}")]
-    ReadExact(io::Error),
     #[error("Failed to seek: {0}")]
     Seek(io::Error),
     #[error("Failed to write: {0}")]
     Write(GuestMemoryError),
-    #[error("Failed to write_all: {0}")]
-    WriteAll(io::Error),
     #[error("Unsupported request: {0}")]
     Unsupported(u32),
     #[error("Failed to submit io uring: {0}")]
@@ -173,10 +169,8 @@ impl ExecuteError {
             ExecuteError::BadRequest(_) => VIRTIO_BLK_S_IOERR,
             ExecuteError::Flush(_) => VIRTIO_BLK_S_IOERR,
             ExecuteError::Read(_) => VIRTIO_BLK_S_IOERR,
-            ExecuteError::ReadExact(_) => VIRTIO_BLK_S_IOERR,
             ExecuteError::Seek(_) => VIRTIO_BLK_S_IOERR,
             ExecuteError::Write(_) => VIRTIO_BLK_S_IOERR,
-            ExecuteError::WriteAll(_) => VIRTIO_BLK_S_IOERR,
             ExecuteError::Unsupported(_) => VIRTIO_BLK_S_UNSUPP,
             ExecuteError::SubmitIoUring(_) => VIRTIO_BLK_S_IOERR,
             ExecuteError::GetHostAddress(_) => VIRTIO_BLK_S_IOERR,
@@ -357,21 +351,13 @@ impl Request {
 
             match self.request_type {
                 RequestType::In => {
-                    let mut buf = vec![0u8; *data_len as usize];
-                    disk.read_exact(&mut buf).map_err(ExecuteError::ReadExact)?;
-                    mem.read_exact_volatile_from(
-                        *data_addr,
-                        &mut buf.as_slice(),
-                        *data_len as usize,
-                    )
-                    .map_err(ExecuteError::Read)?;
+                    mem.read_exact_from(*data_addr, disk, *data_len as usize)
+                        .map_err(ExecuteError::Read)?;
                     len += data_len;
                 }
                 RequestType::Out => {
-                    let mut buf: Vec<u8> = Vec::new();
-                    mem.write_all_volatile_to(*data_addr, &mut buf, *data_len as usize)
+                    mem.write_all_to(*data_addr, disk, *data_len as usize)
                         .map_err(ExecuteError::Write)?;
-                    disk.write_all(&buf).map_err(ExecuteError::WriteAll)?;
                     if !self.writeback {
                         disk.flush().map_err(ExecuteError::Flush)?;
                     }

block/src/qcow/vec_cache.rs

@@ -136,7 +136,7 @@ impl<T: Cacheable> CacheMap<T> {
 mod tests {
     use super::*;
 
-    struct NumCache(());
+    struct NumCache(pub u64);
     impl Cacheable for NumCache {
         fn dirty(&self) -> bool {
             true
@@ -148,28 +148,28 @@ mod tests {
         let mut cache = CacheMap::<NumCache>::new(3);
         let mut evicted = None;
         cache
-            .insert(0, NumCache(()), |index, _| {
+            .insert(0, NumCache(5), |index, _| {
                 evicted = Some(index);
                 Ok(())
             })
             .unwrap();
         assert_eq!(evicted, None);
         cache
-            .insert(1, NumCache(()), |index, _| {
+            .insert(1, NumCache(6), |index, _| {
                 evicted = Some(index);
                 Ok(())
             })
             .unwrap();
         assert_eq!(evicted, None);
         cache
-            .insert(2, NumCache(()), |index, _| {
+            .insert(2, NumCache(7), |index, _| {
                 evicted = Some(index);
                 Ok(())
             })
             .unwrap();
         assert_eq!(evicted, None);
         cache
-            .insert(3, NumCache(()), |index, _| {
+            .insert(3, NumCache(8), |index, _| {
                 evicted = Some(index);
                 Ok(())
             })

block/src/vhdx/vhdx_header.rs

@@ -192,9 +192,7 @@ impl Header {
         };
 
         new_header.get_header_as_buffer(&mut buffer);
-        let mut crc = crc_any::CRC::crc32c();
-        crc.digest(&buffer);
-        new_header.checksum = crc.get_crc() as u32;
+        new_header.checksum = crc32c::crc32c(&buffer);
         new_header.get_header_as_buffer(&mut buffer);
 
         f.seek(SeekFrom::Start(start))
@@ -482,10 +480,7 @@ pub fn calculate_checksum(buffer: &mut [u8], csum_offset: usize) -> Result<u32>
     // Zero the checksum in the buffer
     LittleEndian::write_u32(csum_buf, 0);
     // Calculate the checksum on the resulting buffer
-    let mut crc = crc_any::CRC::crc32c();
-    crc.digest(&buffer);
-    let new_csum = crc.get_crc() as u32;
-
+    let new_csum = crc32c::crc32c(buffer);
     // Put back the original checksum in the buffer
     LittleEndian::write_u32(&mut buffer[csum_offset..csum_offset + 4], orig_csum);
 

devices/Cargo.toml

@@ -13,17 +13,17 @@ byteorder = "1.4.3"
 event_monitor = { path = "../event_monitor" }
 hypervisor = { path = "../hypervisor" }
 libc = "0.2.147"
-log = "0.4.20"
+log = "0.4.17"
 pci = { path = "../pci" }
 thiserror = "1.0.40"
 tpm = { path = "../tpm" }
-versionize = "0.2.0"
-versionize_derive = "0.1.6"
+versionize = "0.1.10"
+versionize_derive = "0.1.4"
 vm-allocator = { path = "../vm-allocator" }
 vm-device = { path = "../vm-device" }
-vm-memory = "0.14.0"
+vm-memory = "0.12.2"
 vm-migration = { path = "../vm-migration" }
-vmm-sys-util = "0.12.1"
+vmm-sys-util = "0.11.0"
 
 [target.'cfg(target_arch = "aarch64")'.dependencies]
 arch = { path = "../arch" }

devices/src/pvpanic.rs

@@ -181,9 +181,8 @@ impl PciDevice for PvPanicDevice {
 
     fn allocate_bars(
         &mut self,
-        _allocator: &Arc<Mutex<SystemAllocator>>,
-        mmio32_allocator: &mut AddressAllocator,
-        _mmio64_allocator: &mut AddressAllocator,
+        allocator: &Arc<Mutex<SystemAllocator>>,
+        _mmio_allocator: &mut AddressAllocator,
         resources: Option<Vec<Resource>>,
     ) -> std::result::Result<Vec<PciBarConfiguration>, PciDeviceError> {
         let mut bars = Vec::new();
@@ -191,8 +190,10 @@ impl PciDevice for PvPanicDevice {
         let bar_id = 0;
         let region_size = PVPANIC_DEVICE_MMIO_SIZE;
         let restoring = resources.is_some();
-        let bar_addr = mmio32_allocator
-            .allocate(None, region_size, Some(PVPANIC_DEVICE_MMIO_ALIGNMENT))
+        let bar_addr = allocator
+            .lock()
+            .unwrap()
+            .allocate_mmio_hole_addresses(None, region_size, Some(PVPANIC_DEVICE_MMIO_ALIGNMENT))
             .ok_or(PciDeviceError::IoAllocationFailed(region_size))?;
 
         let bar = PciBarConfiguration::default()
@@ -217,12 +218,11 @@ impl PciDevice for PvPanicDevice {
 
     fn free_bars(
         &mut self,
-        _allocator: &mut SystemAllocator,
-        mmio32_allocator: &mut AddressAllocator,
-        _mmio64_allocator: &mut AddressAllocator,
+        allocator: &mut SystemAllocator,
+        _mmio_allocator: &mut AddressAllocator,
     ) -> std::result::Result<(), PciDeviceError> {
         for bar in self.bar_regions.drain(..) {
-            mmio32_allocator.free(GuestAddress(bar.addr()), bar.size());
+            allocator.free_mmio_hole_addresses(GuestAddress(bar.addr()), bar.size());
         }
 
         Ok(())

docs/amd_sev_snp.md

@@ -36,5 +36,3 @@ You can run a SEV-SNP VM using the following command:
      --memory size=1G \
      --disk path=ubuntu.img
 ```
-
-For more information related to Microsoft Hypervisor please see [mshv.md](mshv.md)

docs/custom-image.md

@@ -170,7 +170,7 @@ We usually start from one of the custom cloud image we have previously created
 but we can use a stock cloud image as well.
 
 ```bash
-wget https://ch-images.azureedge.net/jammy-server-cloudimg-amd64-custom-20230119-0.raw
+wget https://cloud-hypervisor.azureedge.net/jammy-server-cloudimg-amd64-custom-20230119-0.raw
 mv jammy-server-cloudimg-amd64-custom-20230119-0.raw jammy-server-cloudimg-amd64-nvidia.raw
 ```
 
@@ -326,4 +326,4 @@ VM will be booted with this image.
 
 ```
 sudo cloud-init clean
-```
+```

docs/mshv.md

@@ -1,48 +0,0 @@
-# Microsoft Hypervisor
-
-The Microsoft Hypervisor is a Type 1 hypervisor which runs on x64 and ARM64 architectures. As the foundation of the Hyper-V virtualization stack, it runs millions of Linux and Windows guests in Azure and on-premises deployments. It supports nested virtualization, and security features like AMD's SEV-SNP. It also supports various features in Windows such as [Device guard and confidential guard](https://techcommunity.microsoft.com/t5/iis-support-blog/windows-10-device-guard-and-credential-guard-demystified/ba-p/376419), and [WSL2](https://docs.microsoft.com/en-us/windows/wsl/wsl2-faq)
-
-Since 2020, Microsoft has been releasing open-source components to support Linux running as root partition on the Microsoft Hypervisor.
-
-    1. Kernel patches to support Linux booting as root partition
-    2. A Linux kernel driver exposing an IOCTL interface for managing guest partitions, via a device node - /dev/mshv
-    3. Rust bindings and IOCTL wrappers
-    4. IGVM related crates
-
-## Components
-
-The following components are related to MSHV support with Cloud-Hypervisor:
-
-* [igvm-crates](https://github.com/microsoft/igvm) : Parsing IGVM file
-
-* [mshv-crates](https://github.com/rust-vmm/mshv) : Rust crates to interact with kernel module (/dev/mshv)
-
-* [igvm-tooling](https://github.com/microsoft/igvm-tooling) : Tool to generate IGVM file
-
-## IGVM
-
-Independent Guest Virtual Machine (IGVM) file format.The format specification can be found in the igvm_defs crate, with a Rust implementation of the binary format in the igvm crate.
-
-The IGVM file format is designed to encapsulate all information required to launch a virtual machine on any given virtualization stack, with support for different isolation technologies such as AMD SEV-SNP and Intel TDX.
-
-At a conceptual level, this file format is a set of commands created by the tool that generated the file, used by the loader to construct the initial guest state. The file format also contains measurement information that the underlying platform will use to confirm that the file was loaded correctly and signed by the appropriate authorities.
-
-Cloud Hypervisor can be built using igvm feature flag along with mshv and/or sev-snp. IGVM only works with MSHV.
-
-## SEV-SNP
-
-AMD's [Secure Encrypted Virtualization (SEV)](https://www.amd.com/en/developer/sev.html) and extensions such as Secure Nested Paging (SEV-SNP) encrypt memory and restrict access to a guest VM's memory and registers, securing it against a compromised hypervisor or VMM. They utilize the Platform Security Processor (PSP) to store keys and encrypt/decrypt the data. Microsoft has been continuously adding/improving support for SEV-SNP on Microsoft Hyper-V. Cloud-Hypervisor can be built with the sev_snp feature including mshv and igvm feature.
-
-## Use Cases
-
-Cloud Hypervisor can be built to run on an MSHV root partition by enabling the mshv feature, e.g.:
-
-```cargo build --locked --all --all-targets --no-default-features --tests --examples --features mshv```
-
-Cloud Hypervisor on MSHV can boot Linux guests using an IGVM file. IGVM feature depends on mshv for running legacy VMs.e.g.:
-
-```cargo build --locked --all --all-targets --no-default-features --tests --examples --features igvm```
-
-For running confidential VMs on mshv, you will only need to enable sev_snp, it requires and enables mshv and igvm automatically, eg.:
-
-```cargo build --locked --all --all-targets --no-default-features --tests --examples --features sev_snp```

docs/windows.md

@@ -49,7 +49,7 @@ qemu-system-x86_64 \
 	-m 4G \
 	-bios ./$OVMF_DIR/OVMF_CODE.fd \
 	-cdrom ./$WIN_ISO_FILE \
-	-drive file=./$VIRTIO_ISO_FILE,index=0,media=cdrom \
+	-drive file=./$VIRTIO_ISO_FILE,index=0,media=cdrom
 	-drive if=none,id=root,file=./$IMG_FILE \
 	-device virtio-blk-pci,drive=root,disable-legacy=on \
 	-device virtio-net-pci,netdev=mynet0,disable-legacy=on \

fuzz/Cargo.lock

@@ -12,9 +12,9 @@ dependencies = [
 
 [[package]]
 name = "anstream"
-version = "0.6.11"
+version = "0.6.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6e2e1ebcb11de5c03c67de28a7df593d32191b44939c482e97702baaaa6ab6a5"
+checksum = "2ab91ebe16eb252986481c5b62f6098f3b698a45e34b5b98200cf20dd2484a44"
 dependencies = [
  "anstyle",
  "anstyle-parse",
@@ -32,27 +32,27 @@ checksum = "7079075b41f533b8c61d2a4d073c4676e1f8b249ff94a393b0595db304e0dd87"
 
 [[package]]
 name = "anstyle-parse"
-version = "0.2.3"
+version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c75ac65da39e5fe5ab759307499ddad880d724eed2f6ce5b5e8a26f4f387928c"
+checksum = "317b9a89c1868f5ea6ff1d9539a69f45dffc21ce321ac1fd1160dfa48c8e2140"
 dependencies = [
  "utf8parse",
 ]
 
 [[package]]
 name = "anstyle-query"
-version = "1.0.2"
+version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e28923312444cdd728e4738b3f9c9cac739500909bb3d3c94b43551b16517648"
+checksum = "5ca11d4be1bab0c8bc8734a9aa7bf4ee8316d462a08c6ac5052f888fef5b494b"
 dependencies = [
  "windows-sys",
 ]
 
 [[package]]
 name = "anstyle-wincon"
-version = "3.0.2"
+version = "3.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1cd54b81ec8d6180e24654d0b371ad22fc3dd083b6ff8ba325b72e00c87660a7"
+checksum = "f0699d10d2f4d628a98ee7b57b289abbc98ff3bad977cb3152709d4bf2330628"
 dependencies = [
  "anstyle",
  "windows-sys",
@@ -60,9 +60,9 @@ dependencies = [
 
 [[package]]
 name = "anyhow"
-version = "1.0.79"
+version = "1.0.75"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "080e9890a082662b09c1ad45f567faeeb47f22b5fb23895fbe1e651e718e25ca"
+checksum = "a4668cab20f66d8d020e1fbc0ebe47217433c1b6c8f2040faf858554e394ace6"
 
 [[package]]
 name = "api_client"
@@ -73,9 +73,9 @@ dependencies = [
 
 [[package]]
 name = "arbitrary"
-version = "1.3.2"
+version = "1.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7d5a26814d8dcb93b0e5a0ff3c6d80a8843bafb21b39e8e18a6f05471870e110"
+checksum = "a2e1373abdaa212b704512ec2bd8b26bd0b7d5c3f70117411a5d9a451383c859"
 
 [[package]]
 name = "arc-swap"
@@ -137,7 +137,7 @@ name = "block"
 version = "0.1.0"
 dependencies = [
  "byteorder",
- "crc-any",
+ "crc32c",
  "io-uring",
  "libc",
  "log",
@@ -184,18 +184,18 @@ checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
 [[package]]
 name = "clap"
-version = "4.4.18"
+version = "4.4.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1e578d6ec4194633722ccf9544794b71b1385c3c027efe0c55db226fc880865c"
+checksum = "ac495e00dcec98c83465d5ad66c5c4fabd652fd6686e7c6269b117e729a6f17b"
 dependencies = [
  "clap_builder",
 ]
 
 [[package]]
 name = "clap_builder"
-version = "4.4.18"
+version = "4.4.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4df4df40ec50c46000231c914968278b1eb05098cf8f1b3a518a95030e71d1c7"
+checksum = "c77ed9a32a62e6ca27175d00d29d05ca32e396ea1eb5fb01d8256b669cec7663"
 dependencies = [
  "anstream",
  "anstyle",
@@ -211,7 +211,7 @@ checksum = "702fc72eb24e5a1e48ce58027a675bc24edd52096d5397d4aea7c6dd9eca0bd1"
 
 [[package]]
 name = "cloud-hypervisor"
-version = "37.0.0"
+version = "35.0.0"
 dependencies = [
  "anyhow",
  "api_client",
@@ -252,7 +252,6 @@ dependencies = [
  "virtio-queue",
  "vm-device",
  "vm-memory",
- "vm-migration",
  "vm-virtio",
  "vmm",
  "vmm-sys-util",
@@ -265,19 +264,19 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "acbf1af155f9b9ef647e42cdc158db4b64a1b61f743629225fde6f3e0be2a7c7"
 
 [[package]]
-name = "crc-any"
-version = "2.4.4"
+name = "crc32c"
+version = "0.6.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c01a5e1f881f6fb6099a7bdf949e946719fd4f1fefa56264890574febf0eb6d0"
+checksum = "d8f48d60e5b4d2c53d5c2b1d8a58c849a70ae5e5509b08a48d047e3b65714a74"
 dependencies = [
- "debug-helper",
+ "rustc_version",
 ]
 
 [[package]]
 name = "crc64"
-version = "2.0.0"
+version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2707e3afba5e19b75d582d88bc79237418f2a2a2d673d01cf9b03633b46e98f3"
+checksum = "55626594feae15d266d52440b26ff77de0e22230cf0c113abe619084c1ddc910"
 
 [[package]]
 name = "darling"
@@ -300,7 +299,7 @@ dependencies = [
  "proc-macro2",
  "quote",
  "strsim",
- "syn 2.0.47",
+ "syn 2.0.32",
 ]
 
 [[package]]
@@ -311,15 +310,9 @@ checksum = "836a9bbc7ad63342d6d6e7b815ccab164bc77a2d95d84bc3117a8c0d5c98e2d5"
 dependencies = [
  "darling_core",
  "quote",
- "syn 2.0.47",
+ "syn 2.0.32",
 ]
 
-[[package]]
-name = "debug-helper"
-version = "0.3.13"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f578e8e2c440e7297e008bb5486a3a8a194775224bbc23729b0dbdfaeebf162e"
-
 [[package]]
 name = "devices"
 version = "0.1.0"
@@ -393,21 +386,21 @@ checksum = "3f9eec918d3f24069decb9af1554cad7c880e2da24a9afd88aca000531ab82c1"
 
 [[package]]
 name = "futures-core"
-version = "0.3.30"
+version = "0.3.29"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dfc6580bb841c5a68e9ef15c77ccc837b40a7504914d52e47b8b0e9bbda25a1d"
+checksum = "eb1d22c66e66d9d72e1758f0bd7d4fd0bee04cad842ee34587d68c07e45d088c"
 
 [[package]]
 name = "futures-sink"
-version = "0.3.30"
+version = "0.3.28"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9fb8e00e87438d937621c1c6269e53f536c14d3fbd6a042bb24879e57d474fb5"
+checksum = "f43be4fe21a13b9781a69afa4985b0f6ee0e1afab2c6f454a8cf30e2b2237b6e"
 
 [[package]]
 name = "getrandom"
-version = "0.2.11"
+version = "0.2.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fe9006bed769170c11f845cf00c7c1e9092aeb3f268e007c3e760ac68008070f"
+checksum = "be4136b2a15dd319360be1c07d9933517ccf0be8f16bf62a3bee4f0d618df427"
 dependencies = [
  "cfg-if",
  "js-sys",
@@ -452,9 +445,9 @@ dependencies = [
 
 [[package]]
 name = "itoa"
-version = "1.0.10"
+version = "1.0.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b1a46d1a171d865aa5f83f92695765caa047a9b4cbae2cbf37dbd613a793fd4c"
+checksum = "af150ab688ff2122fcef229be89cb50dd66af9e01a4ff320cc137eecc9bacc38"
 
 [[package]]
 name = "jobserver"
@@ -467,17 +460,17 @@ dependencies = [
 
 [[package]]
 name = "js-sys"
-version = "0.3.66"
+version = "0.3.64"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cee9c64da59eae3b50095c18d3e74f8b73c0b86d2792824ff01bbce68ba229ca"
+checksum = "c5f195fe497f702db0f318b07fdd68edb16955aed830df8363d837542f8f935a"
 dependencies = [
  "wasm-bindgen",
 ]
 
 [[package]]
 name = "kvm-bindings"
-version = "0.7.0"
-source = "git+https://github.com/cloud-hypervisor/kvm-bindings?branch=ch-live-upgrade-stable-37.x#f03fc575cdf20c3af9ca3d4d203f171943d95be4"
+version = "0.6.0"
+source = "git+https://github.com/cloud-hypervisor/kvm-bindings?branch=ch-v0.6.0-tdx#7d9ffb47e5b9b1989577258800a0f57c93f1445f"
 dependencies = [
  "serde",
  "serde_derive",
@@ -486,11 +479,10 @@ dependencies = [
 
 [[package]]
 name = "kvm-ioctls"
-version = "0.16.0"
+version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9002dff009755414f22b962ec6ae6980b07d6d8b06e5297b1062019d72bd6a8c"
+checksum = "b8f8dc9c1896e5f144ec5d07169bc29f39a047686d29585a91f30489abfaeb6b"
 dependencies = [
- "bitflags 2.4.1",
  "kvm-bindings",
  "libc",
  "vmm-sys-util",
@@ -498,9 +490,9 @@ dependencies = [
 
 [[package]]
 name = "libc"
-version = "0.2.152"
+version = "0.2.149"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "13e3bf6590cbc649f4d1a3eefc9d5d6eb746f5200ffb04e5e142700b8faa56e7"
+checksum = "a08173bc88b7955d1b3145aa561539096c421ac8debde8cbc3612ec635fee29b"
 
 [[package]]
 name = "libfuzzer-sys"
@@ -515,9 +507,9 @@ dependencies = [
 
 [[package]]
 name = "linux-loader"
-version = "0.11.0"
+version = "0.9.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "eb68dd3452f25a8defaf0ae593509cff0c777683e4d8924f59ac7c5f89267a83"
+checksum = "1db6a725c8000971f83fa93ed7ee1b600e55a1471a2a653379d3c84f72effdcf"
 dependencies = [
  "vm-memory",
 ]
@@ -541,7 +533,7 @@ checksum = "b5e6163cb8c49088c2c36f57875e58ccd8c87c7427f7fbd50ea6710b2f3f2e8f"
 [[package]]
 name = "micro_http"
 version = "0.1.0"
-source = "git+https://github.com/firecracker-microvm/micro-http?branch=main#e75dfa1eeea23b69caa7407bc2c3a76d7b7262fb"
+source = "git+https://github.com/firecracker-microvm/micro-http?branch=main#a4d632f2c5ea45712c0d2002dc909a63879e85c3"
 dependencies = [
  "libc",
  "vmm-sys-util",
@@ -586,9 +578,9 @@ dependencies = [
 
 [[package]]
 name = "once_cell"
-version = "1.19.0"
+version = "1.18.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3fdb12b2476b595f9358c5161aa467c2438859caa136dec86c26fdd2efe17b92"
+checksum = "dd8b5dd2ae5ed71462c540258bedcb51965123ad7e7ccf4b9a8cafaa4a63576d"
 
 [[package]]
 name = "option_parser"
@@ -634,23 +626,23 @@ checksum = "4359fd9c9171ec6e8c62926d6faaf553a8dc3f64e1507e76da7911b4f6a04405"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.47",
+ "syn 2.0.32",
 ]
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.76"
+version = "1.0.69"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "95fc56cda0b5c3325f5fbbd7ff9fda9e02bb00bb3dac51252d2f1bfa1cb8cc8c"
+checksum = "134c189feb4956b20f6f547d2cf727d4c0fe06722b20a0eec87ed445a97f92da"
 dependencies = [
  "unicode-ident",
 ]
 
 [[package]]
 name = "quote"
-version = "1.0.35"
+version = "1.0.33"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "291ec9ab5efd934aaf503a6466c5d5251535d108ee747472c3977cc5acc868ef"
+checksum = "5267fca4496028628a95160fc423a33e8b2e6af8a5302579e322e4b520293cae"
 dependencies = [
  "proc-macro2",
 ]
@@ -661,26 +653,34 @@ version = "0.1.0"
 dependencies = [
  "libc",
  "log",
- "thiserror",
  "vmm-sys-util",
 ]
 
 [[package]]
 name = "remain"
-version = "0.2.12"
+version = "0.2.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1ad5e011230cad274d0532460c5ab69828ea47ae75681b42a841663efffaf794"
+checksum = "bce3a7139d2ee67d07538ee5dba997364fbc243e7e7143e96eb830c74bfaa082"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.47",
+ "syn 2.0.32",
+]
+
+[[package]]
+name = "rustc_version"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bfa0f585226d2e68097d4f95d113b15b83a82e819ab25717ec0590d9584ef366"
+dependencies = [
+ "semver",
 ]
 
 [[package]]
 name = "ryu"
-version = "1.0.16"
+version = "1.0.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f98d2aa92eebf49b69786be48e4477826b256916e84a57ff2a4f21923b48eb4c"
+checksum = "1ad4cc8da4ef723ed60bced201181d83791ad433213d8c24efffda1eec85d741"
 
 [[package]]
 name = "scopeguard"
@@ -698,30 +698,36 @@ dependencies = [
 ]
 
 [[package]]
-name = "serde"
-version = "1.0.195"
+name = "semver"
+version = "1.0.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "63261df402c67811e9ac6def069e4786148c4563f4b50fd4bf30aa370d626b02"
+checksum = "836fa6a3e1e547f9a2c4040802ec865b5d85f4014efe00555d7090a3dcaa1090"
+
+[[package]]
+name = "serde"
+version = "1.0.189"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8e422a44e74ad4001bdc8eede9a4570ab52f71190e9c076d14369f38b9200537"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.195"
+version = "1.0.189"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "46fe8f8603d81ba86327b23a2e9cdf49e1255fb94a4c5f297f6ee0547178ea2c"
+checksum = "1e48d1f918009ce3145511378cf68d613e3b3d9137d67272562080d68a2b32d5"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.47",
+ "syn 2.0.32",
 ]
 
 [[package]]
 name = "serde_json"
-version = "1.0.111"
+version = "1.0.108"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "176e46fa42316f18edd598015a5166857fc835ec732f5215eac6b7bdbf0a84f4"
+checksum = "3d1c7e3eac408d115102c4c24ad393e0821bb3a5df4d506a80f85f7a742a526b"
 dependencies = [
  "itoa",
  "ryu",
@@ -747,7 +753,7 @@ dependencies = [
  "darling",
  "proc-macro2",
  "quote",
- "syn 2.0.47",
+ "syn 2.0.32",
 ]
 
 [[package]]
@@ -775,9 +781,9 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "1.12.0"
+version = "1.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2593d31f82ead8df961d8bd23a64c2ccf2eb5dd34b0a34bfb4dd54011c72009e"
+checksum = "942b4a808e05215192e39f4ab80813e599068285906cc91aa64f923db842bd5a"
 
 [[package]]
 name = "spin"
@@ -807,9 +813,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "2.0.47"
+version = "2.0.32"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1726efe18f42ae774cc644f330953a5e7b3c3003d3edcecf18850fe9d4dd9afb"
+checksum = "239814284fd6f1a4ffe4ca893952cdd93c224b6a1571c9a9eadd670295c0c9e2"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -818,22 +824,22 @@ dependencies = [
 
 [[package]]
 name = "thiserror"
-version = "1.0.56"
+version = "1.0.50"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d54378c645627613241d077a3a79db965db602882668f9136ac42af9ecb730ad"
+checksum = "f9a7210f5c9a7156bb50aa36aed4c95afb51df0df00713949448cf9e97d382d2"
 dependencies = [
  "thiserror-impl",
 ]
 
 [[package]]
 name = "thiserror-impl"
-version = "1.0.56"
+version = "1.0.50"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fa0faa943b50f3db30a20aa7e265dbc66076993efed8463e8de414e5d06d3471"
+checksum = "266b2e40bc00e5a6c09c3584011e08b06f123c00362c92b975ba9843aaaa14b8"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.47",
+ "syn 2.0.32",
 ]
 
 [[package]]
@@ -874,18 +880,18 @@ checksum = "711b9620af191e0cdc7468a8d14e709c3dcdb115b36f838e601583af800a370a"
 
 [[package]]
 name = "uuid"
-version = "1.7.0"
+version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f00cc9702ca12d3c81455259621e676d0f7251cec66a21e98fe2e9a37db93b2a"
+checksum = "88ad59a7560b41a70d191093a945f0b87bc1deeda46fb237479708a1d6b6cdfc"
 dependencies = [
  "getrandom",
 ]
 
 [[package]]
 name = "versionize"
-version = "0.2.0"
+version = "0.1.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62929d59c7f6730b7298fcb363760550f4db6e353fbac4076d447d0e82799d6d"
+checksum = "dca4b7062e7e6d685901e815c35f9671e059de97c1c0905eeff8592f3fff442f"
 dependencies = [
  "bincode",
  "crc64",
@@ -900,8 +906,8 @@ dependencies = [
 
 [[package]]
 name = "versionize_derive"
-version = "0.1.6"
-source = "git+https://github.com/cloud-hypervisor/versionize_derive?branch=ch-0.1.6#7906da996152e2d0ab08f5526440683bf3ca7834"
+version = "0.1.4"
+source = "git+https://github.com/cloud-hypervisor/versionize_derive?branch=ch#e502b1d4aabab342386f0c53780d49f21a6a1df6"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -911,7 +917,7 @@ dependencies = [
 [[package]]
 name = "vfio-bindings"
 version = "0.4.0"
-source = "git+https://github.com/rust-vmm/vfio?branch=main#0daff4d4c159e842cf18b8b90457a45032b2df5a"
+source = "git+https://github.com/rust-vmm/vfio?branch=main#847b0aa504ac6367efe42ba7e96a2d050737d4f0"
 dependencies = [
  "vmm-sys-util",
 ]
@@ -919,7 +925,7 @@ dependencies = [
 [[package]]
 name = "vfio-ioctls"
 version = "0.2.0"
-source = "git+https://github.com/rust-vmm/vfio?branch=main#0daff4d4c159e842cf18b8b90457a45032b2df5a"
+source = "git+https://github.com/rust-vmm/vfio?branch=main#847b0aa504ac6367efe42ba7e96a2d050737d4f0"
 dependencies = [
  "byteorder",
  "kvm-bindings",
@@ -935,7 +941,7 @@ dependencies = [
 [[package]]
 name = "vfio_user"
 version = "0.1.0"
-source = "git+https://github.com/rust-vmm/vfio-user?branch=main#a1f6e52829e069b6d698b2cfeecac742e4653186"
+source = "git+https://github.com/rust-vmm/vfio-user?branch=main#2d96b90a7279547356ad8f83aaa3115ad5497302"
 dependencies = [
  "bitflags 1.3.2",
  "libc",
@@ -951,11 +957,11 @@ dependencies = [
 
 [[package]]
 name = "vhost"
-version = "0.10.0"
+version = "0.8.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2b64e816d0d49769fbfaa1494eb77cc2a3ddc526ead05c7f922cb7d64106286f"
+checksum = "61957aeb36daf0b00b87fff9c10dd28a161bd35ab157553d340d183b3d8756e6"
 dependencies = [
- "bitflags 2.4.1",
+ "bitflags 1.3.2",
  "libc",
  "vm-memory",
  "vmm-sys-util",
@@ -963,9 +969,9 @@ dependencies = [
 
 [[package]]
 name = "virtio-bindings"
-version = "0.2.2"
+version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "878bcb1b2812a10c30d53b0ed054999de3d98f25ece91fc173973f9c57aaae86"
+checksum = "c18d7b74098a946470ea265b5bacbbf877abc3373021388454de0d47735a5b98"
 
 [[package]]
 name = "virtio-devices"
@@ -1003,9 +1009,9 @@ dependencies = [
 
 [[package]]
 name = "virtio-queue"
-version = "0.11.0"
+version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e3f69a13d6610db9312acbb438b0390362af905d37634a2106be70c0f734986d"
+checksum = "35aca00da06841bd99162c381ec65893cace23ca0fb89254302cfe4bec4c300f"
 dependencies = [
  "log",
  "virtio-bindings",
@@ -1042,9 +1048,9 @@ source = "git+https://github.com/rust-vmm/vm-fdt?branch=main#c5a99ab71b130435927
 
 [[package]]
 name = "vm-memory"
-version = "0.14.0"
+version = "0.12.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "74ffc42216c32c35f858fa4bfdcd9b61017dfd691e0240268fdc85dbf59e5459"
+checksum = "9dc276f0d00c17b9aeb584da0f1e1c673df0d183cc2539e3636ec8cbc5eae99b"
 dependencies = [
  "arc-swap",
  "libc",
@@ -1124,9 +1130,9 @@ dependencies = [
 
 [[package]]
 name = "vmm-sys-util"
-version = "0.12.1"
+version = "0.11.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1d1435039746e20da4f8d507a72ee1b916f7b4b05af7a91c093d2c6561934ede"
+checksum = "48b7b084231214f7427041e4220d77dfe726897a6d41fddee450696e66ff2a29"
 dependencies = [
  "bitflags 1.3.2",
  "libc",
@@ -1142,9 +1148,9 @@ checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
 
 [[package]]
 name = "wasm-bindgen"
-version = "0.2.89"
+version = "0.2.87"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0ed0d4f68a3015cc185aff4db9506a015f4b96f95303897bfa23f846db54064e"
+checksum = "7706a72ab36d8cb1f80ffbf0e071533974a60d0a308d01a5d0375bf60499a342"
 dependencies = [
  "cfg-if",
  "wasm-bindgen-macro",
@@ -1152,24 +1158,24 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-backend"
-version = "0.2.89"
+version = "0.2.87"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1b56f625e64f3a1084ded111c4d5f477df9f8c92df113852fa5a374dbda78826"
+checksum = "5ef2b6d3c510e9625e5fe6f509ab07d66a760f0885d858736483c32ed7809abd"
 dependencies = [
  "bumpalo",
  "log",
  "once_cell",
  "proc-macro2",
  "quote",
- "syn 2.0.47",
+ "syn 2.0.32",
  "wasm-bindgen-shared",
 ]
 
 [[package]]
 name = "wasm-bindgen-macro"
-version = "0.2.89"
+version = "0.2.87"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0162dbf37223cd2afce98f3d0785506dcb8d266223983e4b5b525859e6e182b2"
+checksum = "dee495e55982a3bd48105a7b947fd2a9b4a8ae3010041b9e0faab3f9cd028f1d"
 dependencies = [
  "quote",
  "wasm-bindgen-macro-support",
@@ -1177,22 +1183,22 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-macro-support"
-version = "0.2.89"
+version = "0.2.87"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f0eb82fcb7930ae6219a7ecfd55b217f5f0893484b7a13022ebb2b2bf20b5283"
+checksum = "54681b18a46765f095758388f2d0cf16eb8d4169b639ab575a8f5693af210c7b"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.47",
+ "syn 2.0.32",
  "wasm-bindgen-backend",
  "wasm-bindgen-shared",
 ]
 
 [[package]]
 name = "wasm-bindgen-shared"
-version = "0.2.89"
+version = "0.2.87"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7ab9b36309365056cd639da3134bf87fa8f3d86008abf99e612384a6eecd459f"
+checksum = "ca6ad05a4870b2bf5fe995117d3728437bd27d7cd5f06f13c17443ef369775a1"
 
 [[package]]
 name = "winapi"
@@ -1218,18 +1224,18 @@ checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
 
 [[package]]
 name = "windows-sys"
-version = "0.52.0"
+version = "0.48.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "282be5f36a8ce781fad8c8ae18fa3f9beff57ec1b52cb3de0789201425d9a33d"
+checksum = "677d2418bec65e3338edb076e806bc1ec15693c5d0104683f2efe857f61056a9"
 dependencies = [
  "windows-targets",
 ]
 
 [[package]]
 name = "windows-targets"
-version = "0.52.0"
+version = "0.48.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8a18201040b24831fbb9e4eb208f8892e1f50a37feb53cc7ff887feb8f50e7cd"
+checksum = "9a2fa6e2155d7247be68c096456083145c183cbbbc2764150dda45a87197940c"
 dependencies = [
  "windows_aarch64_gnullvm",
  "windows_aarch64_msvc",
@@ -1242,51 +1248,51 @@ dependencies = [
 
 [[package]]
 name = "windows_aarch64_gnullvm"
-version = "0.52.0"
+version = "0.48.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cb7764e35d4db8a7921e09562a0304bf2f93e0a51bfccee0bd0bb0b666b015ea"
+checksum = "2b38e32f0abccf9987a4e3079dfb67dcd799fb61361e53e2882c3cbaf0d905d8"
 
 [[package]]
 name = "windows_aarch64_msvc"
-version = "0.52.0"
+version = "0.48.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bbaa0368d4f1d2aaefc55b6fcfee13f41544ddf36801e793edbbfd7d7df075ef"
+checksum = "dc35310971f3b2dbbf3f0690a219f40e2d9afcf64f9ab7cc1be722937c26b4bc"
 
 [[package]]
 name = "windows_i686_gnu"
-version = "0.52.0"
+version = "0.48.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a28637cb1fa3560a16915793afb20081aba2c92ee8af57b4d5f28e4b3e7df313"
+checksum = "a75915e7def60c94dcef72200b9a8e58e5091744960da64ec734a6c6e9b3743e"
 
 [[package]]
 name = "windows_i686_msvc"
-version = "0.52.0"
+version = "0.48.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ffe5e8e31046ce6230cc7215707b816e339ff4d4d67c65dffa206fd0f7aa7b9a"
+checksum = "8f55c233f70c4b27f66c523580f78f1004e8b5a8b659e05a4eb49d4166cca406"
 
 [[package]]
 name = "windows_x86_64_gnu"
-version = "0.52.0"
+version = "0.48.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3d6fa32db2bc4a2f5abeacf2b69f7992cd09dca97498da74a151a3132c26befd"
+checksum = "53d40abd2583d23e4718fddf1ebec84dbff8381c07cae67ff7768bbf19c6718e"
 
 [[package]]
 name = "windows_x86_64_gnullvm"
-version = "0.52.0"
+version = "0.48.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1a657e1e9d3f514745a572a6846d3c7aa7dbe1658c056ed9c3344c4109a6949e"
+checksum = "0b7b52767868a23d5bab768e390dc5f5c55825b6d30b86c844ff2dc7414044cc"
 
 [[package]]
 name = "windows_x86_64_msvc"
-version = "0.52.0"
+version = "0.48.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dff9641d1cd4be8d1a070daf9e3773c5f67e78b4d9d42263020c057706765c04"
+checksum = "ed94fce61571a4006852b7389a063ab983c02eb1bb37b47f8272ce92d06d9538"
 
 [[package]]
 name = "zerocopy"
-version = "0.7.32"
+version = "0.7.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "74d4d3961e53fa4c9a25a8637fc2bfaf2595b3d3ae34875568a5cf64787716be"
+checksum = "dd66a62464e3ffd4e37bd09950c2b9dd6c4f8767380fabba0d523f9a775bc85a"
 dependencies = [
  "byteorder",
  "zerocopy-derive",
@@ -1294,11 +1300,11 @@ dependencies = [
 
 [[package]]
 name = "zerocopy-derive"
-version = "0.7.32"
+version = "0.7.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9ce1b18ccd8e73a9321186f97e46f9f04b778851177567b1975109d26a08d2a6"
+checksum = "255c4596d41e6916ced49cfafea18727b24d67878fa180ddfd69b9df34fd1726"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.47",
+ "syn 2.0.32",
 ]

fuzz/Cargo.toml

@@ -8,26 +8,22 @@ edition = "2021"
 [package.metadata]
 cargo-fuzz = true
 
-[features]
-igvm = []
-
 [dependencies]
 block = { path = "../block" }
 devices = { path = "../devices" }
 epoll = "4.3.1"
-libc = "0.2.152"
+libc = "0.2.149"
 libfuzzer-sys = "0.4.7"
-linux-loader = { version = "0.11.0", features = ["elf", "bzimage", "pe"] }
+linux-loader = { version = "0.9.1", features = ["elf", "bzimage", "pe"] }
 micro_http = { git = "https://github.com/firecracker-microvm/micro-http", branch = "main" }
 net_util = { path = "../net_util" }
-once_cell = "1.19.0"
+once_cell = "1.18.0"
 seccompiler = "0.4.0"
 virtio-devices = { path = "../virtio-devices" }
-virtio-queue = "0.11.0"
+virtio-queue = "0.9.0"
 vmm = { path = "../vmm" }
-vmm-sys-util = "0.12.1"
-vm-memory = "0.14.0"
-vm-migration = { path = "../vm-migration" }
+vmm-sys-util = "0.11.2"
+vm-memory = "0.12.2"
 vm-device = { path = "../vm-device" }
 vm-virtio = { path = "../vm-virtio" }
 
@@ -35,8 +31,8 @@ vm-virtio = { path = "../vm-virtio" }
 path = ".."
 
 [patch.crates-io]
-kvm-bindings = { git = "https://github.com/cloud-hypervisor/kvm-bindings", branch = "ch-live-upgrade-stable-37.x" }
-versionize_derive = { git = "https://github.com/cloud-hypervisor/versionize_derive", branch = "ch-0.1.6" }
+kvm-bindings = { git = "https://github.com/cloud-hypervisor/kvm-bindings", branch = "ch-v0.6.0-tdx" }
+versionize_derive = { git = "https://github.com/cloud-hypervisor/versionize_derive", branch = "ch" }
 
 # Prevent this from interfering with workspaces
 [workspace]

fuzz/fuzz_targets/linux_loader_cmdline.rs

@@ -23,8 +23,6 @@ fuzz_target!(|bytes| {
         kernel: None,
         cmdline: Some(String::from_utf8_lossy(&bytes).to_string()),
         initramfs: None,
-        #[cfg(feature = "igvm")]
-        igvm: None,
     };
     let kernel_cmdline = match vmm::vm::Vm::generate_cmdline(&payload_config) {
         Ok(cmdline) => cmdline,

hypervisor/Cargo.toml

@@ -14,20 +14,20 @@ tdx = []
 [dependencies]
 anyhow = "1.0.75"
 byteorder = "1.4.3"
-igvm_defs = { git = "https://github.com/microsoft/igvm", branch = "main", package = "igvm_defs", optional  = true }
-igvm_parser = { git = "https://github.com/microsoft/igvm", branch = "main", package = "igvm", optional  = true }
+igvm_defs = { git = "https://github.com/microsoft/igvm", branch = "main" , package = "igvm_defs", optional  = true }
+igvm_parser = { git = "https://github.com/microsoft/igvm", branch = "main" , package = "igvm", optional  = true }
 libc = "0.2.147"
-log = "0.4.20"
-kvm-ioctls = { version = "0.16.0", optional = true }
-kvm-bindings = { git = "https://github.com/cloud-hypervisor/kvm-bindings", branch = "ch-live-upgrade-stable-37.x", features = ["with-serde", "fam-wrappers"], optional  = true }
+log = "0.4.17"
+kvm-ioctls = { version = "0.13.0", optional = true }
+kvm-bindings = { git = "https://github.com/cloud-hypervisor/kvm-bindings", branch = "ch-v0.6.0-tdx", features = ["with-serde", "fam-wrappers"], optional  = true }
 mshv-bindings = { git = "https://github.com/rust-vmm/mshv", branch = "main", features = ["with-serde", "fam-wrappers"], optional  = true }
 mshv-ioctls = { git = "https://github.com/rust-vmm/mshv", branch = "main", optional  = true}
 serde = { version = "1.0.168", features = ["rc", "derive"] }
 serde_with = { version = "3.4.0", default-features = false, features = ["macros"] }
 vfio-ioctls = { git = "https://github.com/rust-vmm/vfio", branch = "main", default-features = false }
-vm-memory = { version = "0.14.0", features = ["backend-mmap", "backend-atomic"] }
-vmm-sys-util = { version = "0.12.1", features = ["with-serde"] }
-thiserror = "1.0.52"
+vm-memory = { version = "0.12.2", features = ["backend-mmap", "backend-atomic"] }
+vmm-sys-util = { version = "0.11.0", features = ["with-serde"] }
+thiserror = "1.0.40"
 
 [target.'cfg(target_arch = "x86_64")'.dependencies.iced-x86]
 optional = true

hypervisor/src/arch/x86/mod.rs

@@ -311,40 +311,3 @@ pub struct MsrEntry {
     pub index: u32,
     pub data: u64,
 }
-
-#[repr(C)]
-#[serde_with::serde_as]
-#[derive(Debug, Clone)]
-pub struct XsaveState {
-    pub region: [u32; 1024usize],
-}
-
-impl Default for XsaveState {
-    fn default() -> Self {
-        // SAFETY: this is plain old data structure
-        unsafe { ::std::mem::zeroed() }
-    }
-}
-
-impl<'de> serde::Deserialize<'de> for XsaveState {
-    fn deserialize<D>(deserializer: D) -> std::result::Result<Self, D::Error>
-    where
-        D: serde::Deserializer<'de>,
-    {
-        let region: Vec<u32> = Vec::deserialize(deserializer)?;
-        let mut val: XsaveState = XsaveState::default();
-        // This panics if the source and destination have different lengths.
-        val.region.copy_from_slice(&region[..]);
-        Ok(val)
-    }
-}
-
-impl serde::Serialize for XsaveState {
-    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
-    where
-        S: serde::Serializer,
-    {
-        let region = &self.region[..];
-        region.serialize(serializer)
-    }
-}

hypervisor/src/cpu.rs

@@ -95,12 +95,12 @@ pub enum HypervisorCpuError {
     #[error("Failed to get Msr entries: {0}")]
     GetMsrEntries(#[source] anyhow::Error),
     ///
-    /// Setting multi-processing  state error
+    /// Setting MSR entries error
     ///
     #[error("Failed to set MP state: {0}")]
     SetMpState(#[source] anyhow::Error),
     ///
-    /// Getting multi-processing  state error
+    /// Getting Msr entries error
     ///
     #[error("Failed to get MP state: {0}")]
     GetMpState(#[source] anyhow::Error),
@@ -267,11 +267,6 @@ pub enum HypervisorCpuError {
     ///
     #[error("Failed to write to GPA: {0}")]
     GpaWrite(#[source] anyhow::Error),
-    ///
-    /// Error getting CPUID leaf
-    ///
-    #[error("Failed to get CPUID entries: {0}")]
-    GetCpuidVales(#[source] anyhow::Error),
 }
 
 #[derive(Debug)]
@@ -482,17 +477,4 @@ pub trait Vcpu: Send + Sync {
     fn set_tsc_khz(&self, _freq: u32) -> Result<()> {
         Ok(())
     }
-    #[cfg(target_arch = "x86_64")]
-    ///
-    /// X86 specific call to retrieve cpuid leaf
-    ///
-    fn get_cpuid_values(
-        &self,
-        _function: u32,
-        _index: u32,
-        _xfem: u64,
-        _xss: u64,
-    ) -> Result<[u32; 4]> {
-        unimplemented!()
-    }
 }

hypervisor/src/kvm/mod.rs

@@ -47,7 +47,7 @@ use vmm_sys_util::eventfd::EventFd;
 pub mod x86_64;
 #[cfg(target_arch = "x86_64")]
 use crate::arch::x86::{
-    CpuIdEntry, FpuState, LapicState, MsrEntry, SpecialRegisters, StandardRegisters, XsaveState,
+    CpuIdEntry, FpuState, LapicState, MsrEntry, SpecialRegisters, StandardRegisters,
     NUM_IOAPIC_PINS,
 };
 #[cfg(target_arch = "x86_64")]
@@ -66,11 +66,13 @@ use kvm_bindings::{
 #[cfg(target_arch = "x86_64")]
 use x86_64::check_required_kvm_extensions;
 #[cfg(target_arch = "x86_64")]
-pub use x86_64::{CpuId, ExtendedControlRegisters, MsrEntries, VcpuKvmState};
+pub use x86_64::{CpuId, ExtendedControlRegisters, MsrEntries, VcpuKvmState, Xsave};
 // aarch64 dependencies
 #[cfg(target_arch = "aarch64")]
 pub mod aarch64;
 pub use kvm_bindings;
+#[cfg(feature = "tdx")]
+use kvm_bindings::KVMIO;
 pub use kvm_bindings::{
     kvm_clock_data, kvm_create_device, kvm_device_type_KVM_DEV_TYPE_VFIO, kvm_guest_debug,
     kvm_irq_routing, kvm_irq_routing_entry, kvm_mp_state, kvm_userspace_memory_region,
@@ -84,8 +86,6 @@ use kvm_bindings::{
     KVM_REG_ARM64_SYSREG_OP0_MASK, KVM_REG_ARM64_SYSREG_OP1_MASK, KVM_REG_ARM64_SYSREG_OP2_MASK,
     KVM_REG_ARM_CORE, KVM_REG_SIZE_U128, KVM_REG_SIZE_U32, KVM_REG_SIZE_U64,
 };
-#[cfg(feature = "tdx")]
-use kvm_bindings::{kvm_run__bindgen_ty_1, KVMIO};
 pub use kvm_ioctls;
 pub use kvm_ioctls::{Cap, Kvm};
 #[cfg(target_arch = "aarch64")]
@@ -169,52 +169,6 @@ pub struct TdxCapabilities {
     pub cpuid_configs: [TdxCpuidConfig; TDX_MAX_NR_CPUID_CONFIGS],
 }
 
-#[cfg(feature = "tdx")]
-#[derive(Copy, Clone)]
-pub struct KvmTdxExit {
-    pub type_: u32,
-    pub pad: u32,
-    pub u: KvmTdxExitU,
-}
-
-#[cfg(feature = "tdx")]
-#[repr(C)]
-#[derive(Copy, Clone)]
-pub union KvmTdxExitU {
-    pub vmcall: KvmTdxExitVmcall,
-}
-
-#[cfg(feature = "tdx")]
-#[repr(C)]
-#[derive(Debug, Default, Copy, Clone, PartialEq)]
-pub struct KvmTdxExitVmcall {
-    pub type_: u64,
-    pub subfunction: u64,
-    pub reg_mask: u64,
-    pub in_r12: u64,
-    pub in_r13: u64,
-    pub in_r14: u64,
-    pub in_r15: u64,
-    pub in_rbx: u64,
-    pub in_rdi: u64,
-    pub in_rsi: u64,
-    pub in_r8: u64,
-    pub in_r9: u64,
-    pub in_rdx: u64,
-    pub status_code: u64,
-    pub out_r11: u64,
-    pub out_r12: u64,
-    pub out_r13: u64,
-    pub out_r14: u64,
-    pub out_r15: u64,
-    pub out_rbx: u64,
-    pub out_rdi: u64,
-    pub out_rsi: u64,
-    pub out_r8: u64,
-    pub out_r9: u64,
-    pub out_rdx: u64,
-}
-
 impl From<kvm_userspace_memory_region> for UserMemoryRegion {
     fn from(region: kvm_userspace_memory_region) -> Self {
         let mut flags = USER_MEMORY_REGION_READ;
@@ -315,7 +269,7 @@ impl From<CpuState> for VcpuKvmState {
 #[cfg(target_arch = "x86_64")]
 impl From<kvm_clock_data> for ClockData {
     fn from(d: kvm_clock_data) -> Self {
-        ClockData::Kvm(d.into())
+        ClockData::Kvm(d)
     }
 }
 
@@ -323,7 +277,7 @@ impl From<kvm_clock_data> for ClockData {
 impl From<ClockData> for kvm_clock_data {
     fn from(ms: ClockData) -> Self {
         match ms {
-            ClockData::Kvm(s) => s.into(),
+            ClockData::Kvm(s) => s,
             /* Needed in case other hypervisors are enabled */
             #[allow(unreachable_patterns)]
             _ => panic!("CpuState is not valid"),
@@ -402,7 +356,6 @@ impl vm::Vm for KvmVm {
             .set_identity_map_address(address)
             .map_err(|e| vm::HypervisorVmError::SetIdentityMapAddress(e.into()))
     }
-
     #[cfg(target_arch = "x86_64")]
     ///
     /// Sets the address of the three-page region in the VM's address space.
@@ -412,7 +365,6 @@ impl vm::Vm for KvmVm {
             .set_tss_address(offset)
             .map_err(|e| vm::HypervisorVmError::SetTssAddress(e.into()))
     }
-
     ///
     /// Creates an in-kernel interrupt controller.
     ///
@@ -421,7 +373,6 @@ impl vm::Vm for KvmVm {
             .create_irq_chip()
             .map_err(|e| vm::HypervisorVmError::CreateIrq(e.into()))
     }
-
     ///
     /// Registers an event that will, when signaled, trigger the `gsi` IRQ.
     ///
@@ -430,7 +381,6 @@ impl vm::Vm for KvmVm {
             .register_irqfd(fd, gsi)
             .map_err(|e| vm::HypervisorVmError::RegisterIrqFd(e.into()))
     }
-
     ///
     /// Unregisters an event that will, when signaled, trigger the `gsi` IRQ.
     ///
@@ -439,7 +389,6 @@ impl vm::Vm for KvmVm {
             .unregister_irqfd(fd, gsi)
             .map_err(|e| vm::HypervisorVmError::UnregisterIrqFd(e.into()))
     }
-
     ///
     /// Creates a VcpuFd object from a vcpu RawFd.
     ///
@@ -462,7 +411,6 @@ impl vm::Vm for KvmVm {
         };
         Ok(Arc::new(vcpu))
     }
-
     #[cfg(target_arch = "aarch64")]
     ///
     /// Creates a virtual GIC device.
@@ -472,7 +420,6 @@ impl vm::Vm for KvmVm {
             .map_err(|e| vm::HypervisorVmError::CreateVgic(anyhow!("Vgic error {:?}", e)))?;
         Ok(Arc::new(Mutex::new(gic_device)))
     }
-
     ///
     /// Registers an event to be signaled whenever a certain address is written to.
     ///
@@ -500,7 +447,6 @@ impl vm::Vm for KvmVm {
                 .map_err(|e| vm::HypervisorVmError::RegisterIoEvent(e.into()))
         }
     }
-
     ///
     /// Unregisters an event from a certain address it has been previously registered to.
     ///
@@ -595,7 +541,6 @@ impl vm::Vm for KvmVm {
             .set_gsi_routing(&irq_routing[0])
             .map_err(|e| vm::HypervisorVmError::SetGsiRouting(e.into()))
     }
-
     ///
     /// Creates a memory region structure that can be used with {create/remove}_user_memory_region
     ///
@@ -622,7 +567,6 @@ impl vm::Vm for KvmVm {
         }
         .into()
     }
-
     ///
     /// Creates a guest physical memory region.
     ///
@@ -659,7 +603,6 @@ impl vm::Vm for KvmVm {
                 .map_err(|e| vm::HypervisorVmError::CreateUserMemory(e.into()))
         }
     }
-
     ///
     /// Removes a guest physical memory region.
     ///
@@ -678,7 +621,6 @@ impl vm::Vm for KvmVm {
                 .map_err(|e| vm::HypervisorVmError::RemoveUserMemory(e.into()))
         }
     }
-
     ///
     /// Returns the preferred CPU target type which can be emulated by KVM on underlying host.
     ///
@@ -688,7 +630,6 @@ impl vm::Vm for KvmVm {
             .get_preferred_target(kvi)
             .map_err(|e| vm::HypervisorVmError::GetPreferredTarget(e.into()))
     }
-
     #[cfg(target_arch = "x86_64")]
     fn enable_split_irq(&self) -> vm::Result<()> {
         // Create split irqchip
@@ -704,7 +645,6 @@ impl vm::Vm for KvmVm {
             .map_err(|e| vm::HypervisorVmError::EnableSplitIrq(e.into()))?;
         Ok(())
     }
-
     #[cfg(target_arch = "x86_64")]
     fn enable_sgx_attribute(&self, file: File) -> vm::Result<()> {
         let mut cap = kvm_enable_cap {
@@ -717,7 +657,6 @@ impl vm::Vm for KvmVm {
             .map_err(|e| vm::HypervisorVmError::EnableSgxAttribute(e.into()))?;
         Ok(())
     }
-
     /// Retrieve guest clock.
     #[cfg(target_arch = "x86_64")]
     fn get_clock(&self) -> vm::Result<ClockData> {
@@ -727,7 +666,6 @@ impl vm::Vm for KvmVm {
             .map_err(|e| vm::HypervisorVmError::GetClock(e.into()))?
             .into())
     }
-
     /// Set guest clock.
     #[cfg(target_arch = "x86_64")]
     fn set_clock(&self, data: &ClockData) -> vm::Result<()> {
@@ -736,7 +674,6 @@ impl vm::Vm for KvmVm {
             .set_clock(&data)
             .map_err(|e| vm::HypervisorVmError::SetClock(e.into()))
     }
-
     /// Create a device that is used for passthrough
     fn create_passthrough_device(&self) -> vm::Result<VfioDeviceFd> {
         let mut vfio_dev = kvm_create_device {
@@ -748,7 +685,6 @@ impl vm::Vm for KvmVm {
         self.create_device(&mut vfio_dev)
             .map_err(|e| vm::HypervisorVmError::CreatePassthroughDevice(e.into()))
     }
-
     ///
     /// Start logging dirty pages
     ///
@@ -890,7 +826,6 @@ impl vm::Vm for KvmVm {
         )
         .map_err(vm::HypervisorVmError::InitMemRegionTdx)
     }
-
     /// Downcast to the underlying KvmVm type
     fn as_any(&self) -> &dyn Any {
         self
@@ -957,9 +892,7 @@ pub enum KvmError {
     #[error("Capability missing: {0:?}")]
     CapabilityMissing(Cap),
 }
-
 pub type KvmResult<T> = result::Result<T, KvmError>;
-
 impl KvmHypervisor {
     /// Create a hypervisor based on Kvm
     #[allow(clippy::new_ret_no_self)]
@@ -973,7 +906,6 @@ impl KvmHypervisor {
 
         Ok(Arc::new(KvmHypervisor { kvm: kvm_obj }))
     }
-
     /// Check if the hypervisor is available
     pub fn is_available() -> hypervisor::Result<bool> {
         match std::fs::metadata("/dev/kvm") {
@@ -985,7 +917,6 @@ impl KvmHypervisor {
         }
     }
 }
-
 /// Implementation of Hypervisor trait for KVM
 ///
 /// # Examples
@@ -1004,7 +935,6 @@ impl hypervisor::Hypervisor for KvmHypervisor {
     fn hypervisor_type(&self) -> HypervisorType {
         HypervisorType::Kvm
     }
-
     /// Create a KVM vm object of a specific VM type and return the object as Vm trait object
     ///
     /// # Examples
@@ -1160,7 +1090,6 @@ impl hypervisor::Hypervisor for KvmHypervisor {
         self.kvm.get_max_vcpus().min(u32::MAX as usize) as u32
     }
 }
-
 /// Vcpu struct for KVM
 pub struct KvmVcpu {
     fd: VcpuFd,
@@ -1170,7 +1099,6 @@ pub struct KvmVcpu {
     #[cfg(target_arch = "x86_64")]
     hyperv_synic: AtomicBool,
 }
-
 /// Implementation of Vcpu trait for KVM
 ///
 /// # Examples
@@ -1195,7 +1123,6 @@ impl cpu::Vcpu for KvmVcpu {
             .map_err(|e| cpu::HypervisorCpuError::GetStandardRegs(e.into()))?
             .into())
     }
-
     ///
     /// Returns the vCPU general purpose registers.
     /// The `KVM_GET_REGS` ioctl is not available on AArch64, `KVM_GET_ONE_REG`
@@ -1210,64 +1137,71 @@ impl cpu::Vcpu for KvmVcpu {
         // These actually are the general-purpose registers of the Armv8-a
         // architecture (i.e x0-x30 if used as a 64bit register or w0-30 when used as a 32bit register).
         for i in 0..31 {
-            let mut bytes = [0_u8; 8];
-            self.fd
-                .get_one_reg(arm64_core_reg_id!(KVM_REG_SIZE_U64, off), &mut bytes)
-                .map_err(|e| cpu::HypervisorCpuError::GetCoreRegister(e.into()))?;
-            state.regs.regs[i] = u64::from_le_bytes(bytes);
+            state.regs.regs[i] = self
+                .fd
+                .get_one_reg(arm64_core_reg_id!(KVM_REG_SIZE_U64, off))
+                .map_err(|e| cpu::HypervisorCpuError::GetCoreRegister(e.into()))?
+                .try_into()
+                .unwrap();
             off += std::mem::size_of::<u64>();
         }
 
         // We are now entering the "Other register" section of the ARMv8-a architecture.
         // First one, stack pointer.
         let off = offset_of!(user_pt_regs, sp);
-        let mut bytes = [0_u8; 8];
-        self.fd
-            .get_one_reg(arm64_core_reg_id!(KVM_REG_SIZE_U64, off), &mut bytes)
-            .map_err(|e| cpu::HypervisorCpuError::GetCoreRegister(e.into()))?;
-        state.regs.sp = u64::from_le_bytes(bytes);
+        state.regs.sp = self
+            .fd
+            .get_one_reg(arm64_core_reg_id!(KVM_REG_SIZE_U64, off))
+            .map_err(|e| cpu::HypervisorCpuError::GetCoreRegister(e.into()))?
+            .try_into()
+            .unwrap();
 
         // Second one, the program counter.
         let off = offset_of!(user_pt_regs, pc);
-        let mut bytes = [0_u8; 8];
-        self.fd
-            .get_one_reg(arm64_core_reg_id!(KVM_REG_SIZE_U64, off), &mut bytes)
-            .map_err(|e| cpu::HypervisorCpuError::GetCoreRegister(e.into()))?;
-        state.regs.pc = u64::from_le_bytes(bytes);
+        state.regs.pc = self
+            .fd
+            .get_one_reg(arm64_core_reg_id!(KVM_REG_SIZE_U64, off))
+            .map_err(|e| cpu::HypervisorCpuError::GetCoreRegister(e.into()))?
+            .try_into()
+            .unwrap();
 
         // Next is the processor state.
         let off = offset_of!(user_pt_regs, pstate);
-        let mut bytes = [0_u8; 8];
-        self.fd
-            .get_one_reg(arm64_core_reg_id!(KVM_REG_SIZE_U64, off), &mut bytes)
-            .map_err(|e| cpu::HypervisorCpuError::GetCoreRegister(e.into()))?;
-        state.regs.pstate = u64::from_le_bytes(bytes);
+        state.regs.pstate = self
+            .fd
+            .get_one_reg(arm64_core_reg_id!(KVM_REG_SIZE_U64, off))
+            .map_err(|e| cpu::HypervisorCpuError::GetCoreRegister(e.into()))?
+            .try_into()
+            .unwrap();
 
         // The stack pointer associated with EL1
         let off = offset_of!(kvm_regs, sp_el1);
-        let mut bytes = [0_u8; 8];
-        self.fd
-            .get_one_reg(arm64_core_reg_id!(KVM_REG_SIZE_U64, off), &mut bytes)
-            .map_err(|e| cpu::HypervisorCpuError::GetCoreRegister(e.into()))?;
-        state.sp_el1 = u64::from_le_bytes(bytes);
+        state.sp_el1 = self
+            .fd
+            .get_one_reg(arm64_core_reg_id!(KVM_REG_SIZE_U64, off))
+            .map_err(|e| cpu::HypervisorCpuError::GetCoreRegister(e.into()))?
+            .try_into()
+            .unwrap();
 
         // Exception Link Register for EL1, when taking an exception to EL1, this register
         // holds the address to which to return afterwards.
         let off = offset_of!(kvm_regs, elr_el1);
-        let mut bytes = [0_u8; 8];
-        self.fd
-            .get_one_reg(arm64_core_reg_id!(KVM_REG_SIZE_U64, off), &mut bytes)
-            .map_err(|e| cpu::HypervisorCpuError::GetCoreRegister(e.into()))?;
-        state.elr_el1 = u64::from_le_bytes(bytes);
+        state.elr_el1 = self
+            .fd
+            .get_one_reg(arm64_core_reg_id!(KVM_REG_SIZE_U64, off))
+            .map_err(|e| cpu::HypervisorCpuError::GetCoreRegister(e.into()))?
+            .try_into()
+            .unwrap();
 
         // Saved Program Status Registers, there are 5 of them used in the kernel.
         let mut off = offset_of!(kvm_regs, spsr);
         for i in 0..KVM_NR_SPSR as usize {
-            let mut bytes = [0_u8; 8];
-            self.fd
-                .get_one_reg(arm64_core_reg_id!(KVM_REG_SIZE_U64, off), &mut bytes)
-                .map_err(|e| cpu::HypervisorCpuError::GetCoreRegister(e.into()))?;
-            state.spsr[i] = u64::from_le_bytes(bytes);
+            state.spsr[i] = self
+                .fd
+                .get_one_reg(arm64_core_reg_id!(KVM_REG_SIZE_U64, off))
+                .map_err(|e| cpu::HypervisorCpuError::GetCoreRegister(e.into()))?
+                .try_into()
+                .unwrap();
             off += std::mem::size_of::<u64>();
         }
 
@@ -1275,32 +1209,32 @@ impl cpu::Vcpu for KvmVcpu {
         // https://elixir.free-electrons.com/linux/v4.9.62/source/arch/arm64/include/uapi/asm/kvm.h#L53
         let mut off = offset_of!(kvm_regs, fp_regs) + offset_of!(user_fpsimd_state, vregs);
         for i in 0..32 {
-            let mut bytes = [0_u8; 16];
-            self.fd
-                .get_one_reg(arm64_core_reg_id!(KVM_REG_SIZE_U128, off), &mut bytes)
+            state.fp_regs.vregs[i] = self
+                .fd
+                .get_one_reg(arm64_core_reg_id!(KVM_REG_SIZE_U128, off))
                 .map_err(|e| cpu::HypervisorCpuError::GetCoreRegister(e.into()))?;
-            state.fp_regs.vregs[i] = u128::from_le_bytes(bytes);
             off += mem::size_of::<u128>();
         }
 
         // Floating-point Status Register
         let off = offset_of!(kvm_regs, fp_regs) + offset_of!(user_fpsimd_state, fpsr);
-        let mut bytes = [0_u8; 4];
-        self.fd
-            .get_one_reg(arm64_core_reg_id!(KVM_REG_SIZE_U32, off), &mut bytes)
-            .map_err(|e| cpu::HypervisorCpuError::GetCoreRegister(e.into()))?;
-        state.fp_regs.fpsr = u32::from_le_bytes(bytes);
+        state.fp_regs.fpsr = self
+            .fd
+            .get_one_reg(arm64_core_reg_id!(KVM_REG_SIZE_U32, off))
+            .map_err(|e| cpu::HypervisorCpuError::GetCoreRegister(e.into()))?
+            .try_into()
+            .unwrap();
 
         // Floating-point Control Register
         let off = offset_of!(kvm_regs, fp_regs) + offset_of!(user_fpsimd_state, fpcr);
-        let mut bytes = [0_u8; 4];
-        self.fd
-            .get_one_reg(arm64_core_reg_id!(KVM_REG_SIZE_U32, off), &mut bytes)
-            .map_err(|e| cpu::HypervisorCpuError::GetCoreRegister(e.into()))?;
-        state.fp_regs.fpcr = u32::from_le_bytes(bytes);
+        state.fp_regs.fpcr = self
+            .fd
+            .get_one_reg(arm64_core_reg_id!(KVM_REG_SIZE_U32, off))
+            .map_err(|e| cpu::HypervisorCpuError::GetCoreRegister(e.into()))?
+            .try_into()
+            .unwrap();
         Ok(state)
     }
-
     #[cfg(target_arch = "x86_64")]
     ///
     /// Sets the vCPU general purpose registers using the `KVM_SET_REGS` ioctl.
@@ -1326,7 +1260,7 @@ impl cpu::Vcpu for KvmVcpu {
             self.fd
                 .set_one_reg(
                     arm64_core_reg_id!(KVM_REG_SIZE_U64, off),
-                    &state.regs.regs[i].to_le_bytes(),
+                    state.regs.regs[i].into(),
                 )
                 .map_err(|e| cpu::HypervisorCpuError::SetCoreRegister(e.into()))?;
             off += std::mem::size_of::<u64>();
@@ -1336,7 +1270,7 @@ impl cpu::Vcpu for KvmVcpu {
         self.fd
             .set_one_reg(
                 arm64_core_reg_id!(KVM_REG_SIZE_U64, off),
-                &state.regs.sp.to_le_bytes(),
+                state.regs.sp.into(),
             )
             .map_err(|e| cpu::HypervisorCpuError::SetCoreRegister(e.into()))?;
 
@@ -1344,7 +1278,7 @@ impl cpu::Vcpu for KvmVcpu {
         self.fd
             .set_one_reg(
                 arm64_core_reg_id!(KVM_REG_SIZE_U64, off),
-                &state.regs.pc.to_le_bytes(),
+                state.regs.pc.into(),
             )
             .map_err(|e| cpu::HypervisorCpuError::SetCoreRegister(e.into()))?;
 
@@ -1352,7 +1286,7 @@ impl cpu::Vcpu for KvmVcpu {
         self.fd
             .set_one_reg(
                 arm64_core_reg_id!(KVM_REG_SIZE_U64, off),
-                &state.regs.pstate.to_le_bytes(),
+                state.regs.pstate.into(),
             )
             .map_err(|e| cpu::HypervisorCpuError::SetCoreRegister(e.into()))?;
 
@@ -1360,7 +1294,7 @@ impl cpu::Vcpu for KvmVcpu {
         self.fd
             .set_one_reg(
                 arm64_core_reg_id!(KVM_REG_SIZE_U64, off),
-                &state.sp_el1.to_le_bytes(),
+                state.sp_el1.into(),
             )
             .map_err(|e| cpu::HypervisorCpuError::SetCoreRegister(e.into()))?;
 
@@ -1368,7 +1302,7 @@ impl cpu::Vcpu for KvmVcpu {
         self.fd
             .set_one_reg(
                 arm64_core_reg_id!(KVM_REG_SIZE_U64, off),
-                &state.elr_el1.to_le_bytes(),
+                state.elr_el1.into(),
             )
             .map_err(|e| cpu::HypervisorCpuError::SetCoreRegister(e.into()))?;
 
@@ -1377,7 +1311,7 @@ impl cpu::Vcpu for KvmVcpu {
             self.fd
                 .set_one_reg(
                     arm64_core_reg_id!(KVM_REG_SIZE_U64, off),
-                    &state.spsr[i].to_le_bytes(),
+                    state.spsr[i].into(),
                 )
                 .map_err(|e| cpu::HypervisorCpuError::SetCoreRegister(e.into()))?;
             off += std::mem::size_of::<u64>();
@@ -1388,7 +1322,7 @@ impl cpu::Vcpu for KvmVcpu {
             self.fd
                 .set_one_reg(
                     arm64_core_reg_id!(KVM_REG_SIZE_U128, off),
-                    &state.fp_regs.vregs[i].to_le_bytes(),
+                    state.fp_regs.vregs[i],
                 )
                 .map_err(|e| cpu::HypervisorCpuError::SetCoreRegister(e.into()))?;
             off += mem::size_of::<u128>();
@@ -1398,7 +1332,7 @@ impl cpu::Vcpu for KvmVcpu {
         self.fd
             .set_one_reg(
                 arm64_core_reg_id!(KVM_REG_SIZE_U32, off),
-                &state.fp_regs.fpsr.to_le_bytes(),
+                state.fp_regs.fpsr.into(),
             )
             .map_err(|e| cpu::HypervisorCpuError::SetCoreRegister(e.into()))?;
 
@@ -1406,7 +1340,7 @@ impl cpu::Vcpu for KvmVcpu {
         self.fd
             .set_one_reg(
                 arm64_core_reg_id!(KVM_REG_SIZE_U32, off),
-                &state.fp_regs.fpcr.to_le_bytes(),
+                state.fp_regs.fpcr.into(),
             )
             .map_err(|e| cpu::HypervisorCpuError::SetCoreRegister(e.into()))?;
         Ok(())
@@ -1423,7 +1357,6 @@ impl cpu::Vcpu for KvmVcpu {
             .map_err(|e| cpu::HypervisorCpuError::GetSpecialRegs(e.into()))?
             .into())
     }
-
     #[cfg(target_arch = "x86_64")]
     ///
     /// Sets the vCPU special registers using the `KVM_SET_SREGS` ioctl.
@@ -1434,7 +1367,6 @@ impl cpu::Vcpu for KvmVcpu {
             .set_sregs(&sregs)
             .map_err(|e| cpu::HypervisorCpuError::SetSpecialRegs(e.into()))
     }
-
     #[cfg(target_arch = "x86_64")]
     ///
     /// Returns the floating point state (FPU) from the vCPU.
@@ -1446,7 +1378,6 @@ impl cpu::Vcpu for KvmVcpu {
             .map_err(|e| cpu::HypervisorCpuError::GetFloatingPointRegs(e.into()))?
             .into())
     }
-
     #[cfg(target_arch = "x86_64")]
     ///
     /// Set the floating point state (FPU) of a vCPU using the `KVM_SET_FPU` ioct.
@@ -1457,7 +1388,6 @@ impl cpu::Vcpu for KvmVcpu {
             .set_fpu(&fpu)
             .map_err(|e| cpu::HypervisorCpuError::SetFloatingPointRegs(e.into()))
     }
-
     #[cfg(target_arch = "x86_64")]
     ///
     /// X86 specific call to setup the CPUID registers.
@@ -1472,7 +1402,6 @@ impl cpu::Vcpu for KvmVcpu {
             .set_cpuid2(&kvm_cpuid)
             .map_err(|e| cpu::HypervisorCpuError::SetCpuid(e.into()))
     }
-
     #[cfg(target_arch = "x86_64")]
     ///
     /// X86 specific call to enable HyperV SynIC
@@ -1490,7 +1419,6 @@ impl cpu::Vcpu for KvmVcpu {
             .enable_cap(&cap)
             .map_err(|e| cpu::HypervisorCpuError::EnableHyperVSyncIc(e.into()))
     }
-
     ///
     /// X86 specific call to retrieve the CPUID registers.
     ///
@@ -1505,7 +1433,6 @@ impl cpu::Vcpu for KvmVcpu {
 
         Ok(v)
     }
-
     #[cfg(target_arch = "x86_64")]
     ///
     /// Returns the state of the LAPIC (Local Advanced Programmable Interrupt Controller).
@@ -1517,7 +1444,6 @@ impl cpu::Vcpu for KvmVcpu {
             .map_err(|e| cpu::HypervisorCpuError::GetlapicState(e.into()))?
             .into())
     }
-
     #[cfg(target_arch = "x86_64")]
     ///
     /// Sets the state of the LAPIC (Local Advanced Programmable Interrupt Controller).
@@ -1528,7 +1454,6 @@ impl cpu::Vcpu for KvmVcpu {
             .set_lapic(&klapic)
             .map_err(|e| cpu::HypervisorCpuError::SetLapicState(e.into()))
     }
-
     #[cfg(target_arch = "x86_64")]
     ///
     /// Returns the model-specific registers (MSR) for this vCPU.
@@ -1550,7 +1475,6 @@ impl cpu::Vcpu for KvmVcpu {
 
         Ok(succ)
     }
-
     #[cfg(target_arch = "x86_64")]
     ///
     /// Setup the model-specific registers (MSR) for this vCPU.
@@ -1563,7 +1487,6 @@ impl cpu::Vcpu for KvmVcpu {
             .set_msrs(&kvm_msrs)
             .map_err(|e| cpu::HypervisorCpuError::SetMsrEntries(e.into()))
     }
-
     ///
     /// Returns the vcpu's current "multiprocessing state".
     ///
@@ -1574,7 +1497,6 @@ impl cpu::Vcpu for KvmVcpu {
             .map_err(|e| cpu::HypervisorCpuError::GetMpState(e.into()))?
             .into())
     }
-
     ///
     /// Sets the vcpu's current "multiprocessing state".
     ///
@@ -1583,7 +1505,6 @@ impl cpu::Vcpu for KvmVcpu {
             .set_mp_state(mp_state.into())
             .map_err(|e| cpu::HypervisorCpuError::SetMpState(e.into()))
     }
-
     #[cfg(target_arch = "x86_64")]
     ///
     /// Translates guest virtual address to guest physical address using the `KVM_TRANSLATE` ioctl.
@@ -1602,7 +1523,6 @@ impl cpu::Vcpu for KvmVcpu {
             _ => Ok((tr.physical_address, 0)),
         }
     }
-
     ///
     /// Triggers the running of the current virtual CPU returning an exit reason.
     ///
@@ -1647,7 +1567,7 @@ impl cpu::Vcpu for KvmVcpu {
                         Ok(cpu::VmExit::Shutdown)
                     } else {
                         Err(cpu::HypervisorCpuError::RunVcpu(anyhow!(
-                            "Unexpected system event with type 0x{:x}, flags 0x{:x?}",
+                            "Unexpected system event with type 0x{:x}, flags 0x{:x}",
                             event_type,
                             flags
                         )))
@@ -1694,7 +1614,6 @@ impl cpu::Vcpu for KvmVcpu {
             },
         }
     }
-
     #[cfg(target_arch = "x86_64")]
     ///
     /// Let the guest know that it has been paused, which prevents from
@@ -1712,7 +1631,6 @@ impl cpu::Vcpu for KvmVcpu {
 
         Ok(())
     }
-
     ///
     /// Sets debug registers to set hardware breakpoints and/or enable single step.
     ///
@@ -1766,14 +1684,12 @@ impl cpu::Vcpu for KvmVcpu {
             .set_guest_debug(&dbg)
             .map_err(|e| cpu::HypervisorCpuError::SetDebugRegs(e.into()))
     }
-
     #[cfg(target_arch = "aarch64")]
     fn vcpu_init(&self, kvi: &VcpuInit) -> cpu::Result<()> {
         self.fd
             .vcpu_init(kvi)
             .map_err(|e| cpu::HypervisorCpuError::VcpuInit(e.into()))
     }
-
     ///
     /// Gets a list of the guest registers that are supported for the
     /// KVM_GET_ONE_REG/KVM_SET_ONE_REG calls.
@@ -1784,7 +1700,6 @@ impl cpu::Vcpu for KvmVcpu {
             .get_reg_list(reg_list)
             .map_err(|e| cpu::HypervisorCpuError::GetRegList(e.into()))
     }
-
     ///
     /// Gets the value of a system register
     ///
@@ -1811,13 +1726,13 @@ impl cpu::Vcpu for KvmVcpu {
                     | KVM_REG_ARM64_SYSREG_CRN_MASK
                     | KVM_REG_ARM64_SYSREG_CRM_MASK
                     | KVM_REG_ARM64_SYSREG_OP2_MASK)) as u64);
-        let mut bytes = [0_u8; 8];
-        self.fd
-            .get_one_reg(id, &mut bytes)
-            .map_err(|e| cpu::HypervisorCpuError::GetSysRegister(e.into()))?;
-        Ok(u64::from_le_bytes(bytes))
+        Ok(self
+            .fd
+            .get_one_reg(id)
+            .map_err(|e| cpu::HypervisorCpuError::GetSysRegister(e.into()))?
+            .try_into()
+            .unwrap())
     }
-
     ///
     /// Configure core registers for a given CPU.
     ///
@@ -1842,7 +1757,7 @@ impl cpu::Vcpu for KvmVcpu {
         self.fd
             .set_one_reg(
                 arm64_core_reg_id!(KVM_REG_SIZE_U64, pstate),
-                &PSTATE_FAULT_BITS_64.to_le_bytes(),
+                PSTATE_FAULT_BITS_64.into(),
             )
             .map_err(|e| cpu::HypervisorCpuError::SetCoreRegister(e.into()))?;
 
@@ -1851,10 +1766,7 @@ impl cpu::Vcpu for KvmVcpu {
             // Setting the PC (Processor Counter) to the current program address (kernel address).
             let pc = offset_of!(user_pt_regs, pc) + kreg_off;
             self.fd
-                .set_one_reg(
-                    arm64_core_reg_id!(KVM_REG_SIZE_U64, pc),
-                    &boot_ip.to_le_bytes(),
-                )
+                .set_one_reg(arm64_core_reg_id!(KVM_REG_SIZE_U64, pc), boot_ip.into())
                 .map_err(|e| cpu::HypervisorCpuError::SetCoreRegister(e.into()))?;
 
             // Last mandatory thing to set -> the address pointing to the FDT (also called DTB).
@@ -1865,7 +1777,7 @@ impl cpu::Vcpu for KvmVcpu {
             self.fd
                 .set_one_reg(
                     arm64_core_reg_id!(KVM_REG_SIZE_U64, regs0),
-                    &fdt_start.to_le_bytes(),
+                    fdt_start.into(),
                 )
                 .map_err(|e| cpu::HypervisorCpuError::SetCoreRegister(e.into()))?;
         }
@@ -1977,7 +1889,7 @@ impl cpu::Vcpu for KvmVcpu {
             msr_entries
         };
 
-        let vcpu_events = self.get_vcpu_events()?.into();
+        let vcpu_events = self.get_vcpu_events()?;
         let tsc_khz = self.tsc_khz()?;
 
         Ok(VcpuKvmState {
@@ -1995,7 +1907,6 @@ impl cpu::Vcpu for KvmVcpu {
         }
         .into())
     }
-
     ///
     /// Get the current AArch64 CPU state
     ///
@@ -2030,13 +1941,14 @@ impl cpu::Vcpu for KvmVcpu {
         // register list, we are simply calling KVM_GET_ONE_REG.
         let indices = reg_list.as_slice();
         for index in indices.iter() {
-            let mut bytes = [0_u8; 8];
-            self.fd
-                .get_one_reg(*index, &mut bytes)
-                .map_err(|e| cpu::HypervisorCpuError::GetSysRegister(e.into()))?;
             sys_regs.push(kvm_bindings::kvm_one_reg {
                 id: *index,
-                addr: u64::from_le_bytes(bytes),
+                addr: self
+                    .fd
+                    .get_one_reg(*index)
+                    .map_err(|e| cpu::HypervisorCpuError::GetSysRegister(e.into()))?
+                    .try_into()
+                    .unwrap(),
             });
         }
 
@@ -2044,7 +1956,6 @@ impl cpu::Vcpu for KvmVcpu {
 
         Ok(state.into())
     }
-
     #[cfg(target_arch = "x86_64")]
     ///
     /// Restore the previously saved CPU state
@@ -2130,11 +2041,10 @@ impl cpu::Vcpu for KvmVcpu {
             }
         }
 
-        self.set_vcpu_events(&state.vcpu_events.into())?;
+        self.set_vcpu_events(&state.vcpu_events)?;
 
         Ok(())
     }
-
     ///
     /// Restore the previously saved AArch64 CPU state
     ///
@@ -2146,7 +2056,7 @@ impl cpu::Vcpu for KvmVcpu {
         // Set system registers
         for reg in &state.sys_regs {
             self.fd
-                .set_one_reg(reg.id, &reg.addr.to_le_bytes())
+                .set_one_reg(reg.id, reg.addr.into())
                 .map_err(|e| cpu::HypervisorCpuError::SetSysRegister(e.into()))?;
         }
 
@@ -2178,12 +2088,7 @@ impl cpu::Vcpu for KvmVcpu {
     fn get_tdx_exit_details(&mut self) -> cpu::Result<TdxExitDetails> {
         let kvm_run = self.fd.get_kvm_run();
         // SAFETY: accessing a union field in a valid structure
-        let tdx_vmcall = unsafe {
-            &mut (*((&mut kvm_run.__bindgen_anon_1) as *mut kvm_run__bindgen_ty_1
-                as *mut KvmTdxExit))
-                .u
-                .vmcall
-        };
+        let tdx_vmcall = unsafe { &mut kvm_run.__bindgen_anon_1.tdx.u.vmcall };
 
         tdx_vmcall.status_code = TDG_VP_VMCALL_INVALID_OPERAND;
 
@@ -2207,19 +2112,13 @@ impl cpu::Vcpu for KvmVcpu {
     fn set_tdx_status(&mut self, status: TdxExitStatus) {
         let kvm_run = self.fd.get_kvm_run();
         // SAFETY: accessing a union field in a valid structure
-        let tdx_vmcall = unsafe {
-            &mut (*((&mut kvm_run.__bindgen_anon_1) as *mut kvm_run__bindgen_ty_1
-                as *mut KvmTdxExit))
-                .u
-                .vmcall
-        };
+        let tdx_vmcall = unsafe { &mut kvm_run.__bindgen_anon_1.tdx.u.vmcall };
 
         tdx_vmcall.status_code = match status {
             TdxExitStatus::Success => TDG_VP_VMCALL_SUCCESS,
             TdxExitStatus::InvalidOperand => TDG_VP_VMCALL_INVALID_OPERAND,
         };
     }
-
     #[cfg(target_arch = "x86_64")]
     ///
     /// Return the list of initial MSR entries for a VCPU
@@ -2245,7 +2144,6 @@ impl cpu::Vcpu for KvmVcpu {
         ]
         .to_vec()
     }
-
     #[cfg(target_arch = "aarch64")]
     fn has_pmu_support(&self) -> bool {
         let cpu_attr = kvm_bindings::kvm_device_attr {
@@ -2256,7 +2154,6 @@ impl cpu::Vcpu for KvmVcpu {
         };
         self.fd.has_device_attr(&cpu_attr).is_ok()
     }
-
     #[cfg(target_arch = "aarch64")]
     fn init_pmu(&self, irq: u32) -> cpu::Result<()> {
         let cpu_attr = kvm_bindings::kvm_device_attr {
@@ -2319,25 +2216,20 @@ impl KvmVcpu {
     ///
     /// X86 specific call that returns the vcpu's current "xsave struct".
     ///
-    fn get_xsave(&self) -> cpu::Result<XsaveState> {
-        Ok(self
-            .fd
+    fn get_xsave(&self) -> cpu::Result<Xsave> {
+        self.fd
             .get_xsave()
-            .map_err(|e| cpu::HypervisorCpuError::GetXsaveState(e.into()))?
-            .into())
+            .map_err(|e| cpu::HypervisorCpuError::GetXsaveState(e.into()))
     }
-
     #[cfg(target_arch = "x86_64")]
     ///
     /// X86 specific call that sets the vcpu's current "xsave struct".
     ///
-    fn set_xsave(&self, xsave: &XsaveState) -> cpu::Result<()> {
-        let xsave: kvm_bindings::kvm_xsave = (*xsave).clone().into();
+    fn set_xsave(&self, xsave: &Xsave) -> cpu::Result<()> {
         self.fd
-            .set_xsave(&xsave)
+            .set_xsave(xsave)
             .map_err(|e| cpu::HypervisorCpuError::SetXsaveState(e.into()))
     }
-
     #[cfg(target_arch = "x86_64")]
     ///
     /// X86 specific call that returns the vcpu's current "xcrs".
@@ -2347,7 +2239,6 @@ impl KvmVcpu {
             .get_xcrs()
             .map_err(|e| cpu::HypervisorCpuError::GetXcsr(e.into()))
     }
-
     #[cfg(target_arch = "x86_64")]
     ///
     /// X86 specific call that sets the vcpu's current "xcrs".
@@ -2357,7 +2248,6 @@ impl KvmVcpu {
             .set_xcrs(xcrs)
             .map_err(|e| cpu::HypervisorCpuError::SetXcsr(e.into()))
     }
-
     #[cfg(target_arch = "x86_64")]
     ///
     /// Returns currently pending exceptions, interrupts, and NMIs as well as related
@@ -2368,7 +2258,6 @@ impl KvmVcpu {
             .get_vcpu_events()
             .map_err(|e| cpu::HypervisorCpuError::GetVcpuEvents(e.into()))
     }
-
     #[cfg(target_arch = "x86_64")]
     ///
     /// Sets pending exceptions, interrupts, and NMIs as well as related states

hypervisor/src/kvm/x86_64/mod.rs

@@ -10,7 +10,7 @@
 
 use crate::arch::x86::{
     CpuIdEntry, DescriptorTable, FpuState, LapicState, MsrEntry, SegmentRegister, SpecialRegisters,
-    StandardRegisters, XsaveState, CPUID_FLAG_VALID_INDEX,
+    StandardRegisters, CPUID_FLAG_VALID_INDEX,
 };
 use crate::kvm::{Cap, Kvm, KvmError, KvmResult};
 use serde::{Deserialize, Serialize};
@@ -22,8 +22,8 @@ pub use {
     kvm_bindings::kvm_cpuid_entry2, kvm_bindings::kvm_dtable, kvm_bindings::kvm_fpu,
     kvm_bindings::kvm_lapic_state, kvm_bindings::kvm_mp_state as MpState,
     kvm_bindings::kvm_msr_entry, kvm_bindings::kvm_regs, kvm_bindings::kvm_segment,
-    kvm_bindings::kvm_sregs, kvm_bindings::kvm_vcpu_events_old as VcpuEvents,
-    kvm_bindings::kvm_xcrs as ExtendedControlRegisters, kvm_bindings::kvm_xsave,
+    kvm_bindings::kvm_sregs, kvm_bindings::kvm_vcpu_events as VcpuEvents,
+    kvm_bindings::kvm_xcrs as ExtendedControlRegisters, kvm_bindings::kvm_xsave as Xsave,
     kvm_bindings::CpuId, kvm_bindings::MsrList, kvm_bindings::Msrs as MsrEntries,
     kvm_bindings::KVM_CPUID_FLAG_SIGNIFCANT_INDEX,
 };
@@ -64,7 +64,7 @@ pub struct VcpuKvmState {
     pub sregs: kvm_sregs,
     pub fpu: FpuState,
     pub lapic_state: LapicState,
-    pub xsave: XsaveState,
+    pub xsave: Xsave,
     pub xcrs: ExtendedControlRegisters,
     pub mp_state: MpState,
     pub tsc_khz: Option<u32>,
@@ -330,18 +330,3 @@ impl From<MsrEntry> for kvm_msr_entry {
         }
     }
 }
-
-impl From<kvm_xsave> for XsaveState {
-    fn from(s: kvm_xsave) -> Self {
-        Self { region: s.region }
-    }
-}
-
-impl From<XsaveState> for kvm_xsave {
-    fn from(s: XsaveState) -> Self {
-        Self {
-            region: s.region,
-            extra: Default::default(),
-        }
-    }
-}

hypervisor/src/lib.rs

@@ -162,7 +162,7 @@ pub enum CpuState {
 #[cfg(target_arch = "x86_64")]
 pub enum ClockData {
     #[cfg(feature = "kvm")]
-    Kvm(kvm_bindings::kvm_clock_data_old),
+    Kvm(kvm_bindings::kvm_clock_data),
     #[cfg(feature = "mshv")]
     Mshv, /* MSHV does not support ClockData yet */
 }

hypervisor/src/mshv/mod.rs

@@ -200,7 +200,6 @@ impl MshvHypervisor {
         }
     }
 }
-
 /// Implementation of Hypervisor trait for Mshv
 ///
 /// # Examples
@@ -339,8 +338,6 @@ pub struct MshvVcpu {
     cpuid: Vec<CpuIdEntry>,
     msrs: Vec<MsrEntry>,
     vm_ops: Option<Arc<dyn vm::VmOps>>,
-    #[cfg(feature = "sev_snp")]
-    vm_fd: Arc<VmFd>,
 }
 
 /// Implementation of Vcpu trait for Microsoft Hypervisor
@@ -367,7 +364,6 @@ impl cpu::Vcpu for MshvVcpu {
             .map_err(|e| cpu::HypervisorCpuError::GetStandardRegs(e.into()))?
             .into())
     }
-
     #[cfg(target_arch = "x86_64")]
     ///
     /// Sets the vCPU general purpose registers.
@@ -378,7 +374,6 @@ impl cpu::Vcpu for MshvVcpu {
             .set_regs(&regs)
             .map_err(|e| cpu::HypervisorCpuError::SetStandardRegs(e.into()))
     }
-
     #[cfg(target_arch = "x86_64")]
     ///
     /// Returns the vCPU special registers.
@@ -390,7 +385,6 @@ impl cpu::Vcpu for MshvVcpu {
             .map_err(|e| cpu::HypervisorCpuError::GetSpecialRegs(e.into()))?
             .into())
     }
-
     #[cfg(target_arch = "x86_64")]
     ///
     /// Sets the vCPU special registers.
@@ -401,7 +395,6 @@ impl cpu::Vcpu for MshvVcpu {
             .set_sregs(&sregs)
             .map_err(|e| cpu::HypervisorCpuError::SetSpecialRegs(e.into()))
     }
-
     #[cfg(target_arch = "x86_64")]
     ///
     /// Returns the floating point state (FPU) from the vCPU.
@@ -413,7 +406,6 @@ impl cpu::Vcpu for MshvVcpu {
             .map_err(|e| cpu::HypervisorCpuError::GetFloatingPointRegs(e.into()))?
             .into())
     }
-
     #[cfg(target_arch = "x86_64")]
     ///
     /// Set the floating point state (FPU) of a vCPU.
@@ -446,7 +438,6 @@ impl cpu::Vcpu for MshvVcpu {
 
         Ok(succ)
     }
-
     #[cfg(target_arch = "x86_64")]
     ///
     /// Setup the model-specific registers (MSR) for this vCPU.
@@ -468,7 +459,6 @@ impl cpu::Vcpu for MshvVcpu {
         /* We always have SynIC enabled on MSHV */
         Ok(())
     }
-
     #[allow(non_upper_case_globals)]
     fn run(&self) -> std::result::Result<cpu::VmExit, cpu::HypervisorCpuError> {
         let hv_message: hv_message = hv_message::default();
@@ -986,59 +976,6 @@ impl cpu::Vcpu for MshvVcpu {
                                             })?;
                                     }
                                 }
-                                SVM_EXITCODE_SNP_GUEST_REQUEST => {
-                                    let req_gpa =
-                                        info.__bindgen_anon_2.__bindgen_anon_1.sw_exit_info1;
-                                    let rsp_gpa =
-                                        info.__bindgen_anon_2.__bindgen_anon_1.sw_exit_info2;
-
-                                    let mshv_psp_req =
-                                        mshv_issue_psp_guest_request { req_gpa, rsp_gpa };
-                                    self.vm_fd
-                                        .psp_issue_guest_request(&mshv_psp_req)
-                                        .map_err(|e| cpu::HypervisorCpuError::RunVcpu(e.into()))?;
-
-                                    debug!(
-                                        "SNP guest request: req_gpa {:0x} rsp_gpa {:0x}",
-                                        req_gpa, rsp_gpa
-                                    );
-
-                                    let mut swei2_rw_gpa_arg = mshv_bindings::mshv_read_write_gpa {
-                                        base_gpa: ghcb_gpa + GHCB_SW_EXITINFO2_OFFSET,
-                                        byte_count: std::mem::size_of::<u64>() as u32,
-                                        ..Default::default()
-                                    };
-                                    self.fd
-                                        .gpa_write(&mut swei2_rw_gpa_arg)
-                                        .map_err(|e| cpu::HypervisorCpuError::GpaWrite(e.into()))?;
-                                }
-                                SVM_EXITCODE_SNP_AP_CREATION => {
-                                    let vmsa_gpa =
-                                        info.__bindgen_anon_2.__bindgen_anon_1.sw_exit_info2;
-                                    let apic_id =
-                                        info.__bindgen_anon_2.__bindgen_anon_1.sw_exit_info1 >> 32;
-                                    debug!(
-                                        "SNP AP CREATE REQUEST with VMSA GPA {:0x}, and APIC ID {:?}",
-                                        vmsa_gpa, apic_id
-                                    );
-
-                                    let mshv_ap_create_req = mshv_sev_snp_ap_create {
-                                        vp_id: apic_id,
-                                        vmsa_gpa,
-                                    };
-                                    self.vm_fd
-                                        .sev_snp_ap_create(&mshv_ap_create_req)
-                                        .map_err(|e| cpu::HypervisorCpuError::RunVcpu(e.into()))?;
-
-                                    let mut swei2_rw_gpa_arg = mshv_bindings::mshv_read_write_gpa {
-                                        base_gpa: ghcb_gpa + GHCB_SW_EXITINFO2_OFFSET,
-                                        byte_count: std::mem::size_of::<u64>() as u32,
-                                        ..Default::default()
-                                    };
-                                    self.fd
-                                        .gpa_write(&mut swei2_rw_gpa_arg)
-                                        .map_err(|e| cpu::HypervisorCpuError::GpaWrite(e.into()))?;
-                                }
                                 _ => panic!(
                                     "GHCB_INFO_NORMAL: Unhandled exit code: {:0x}",
                                     exit_code
@@ -1065,7 +1002,6 @@ impl cpu::Vcpu for MshvVcpu {
             },
         }
     }
-
     #[cfg(target_arch = "x86_64")]
     ///
     /// X86 specific call to setup the CPUID registers.
@@ -1079,7 +1015,6 @@ impl cpu::Vcpu for MshvVcpu {
             .register_intercept_result_cpuid(&mshv_cpuid)
             .map_err(|e| cpu::HypervisorCpuError::SetCpuid(e.into()))
     }
-
     #[cfg(target_arch = "x86_64")]
     ///
     /// X86 specific call to retrieve the CPUID registers.
@@ -1087,23 +1022,6 @@ impl cpu::Vcpu for MshvVcpu {
     fn get_cpuid2(&self, _num_entries: usize) -> cpu::Result<Vec<CpuIdEntry>> {
         Ok(self.cpuid.clone())
     }
-
-    #[cfg(target_arch = "x86_64")]
-    ///
-    /// X86 specific call to retrieve cpuid leaf
-    ///
-    fn get_cpuid_values(
-        &self,
-        function: u32,
-        index: u32,
-        xfem: u64,
-        xss: u64,
-    ) -> cpu::Result<[u32; 4]> {
-        self.fd
-            .get_cpuid_values(function, index, xfem, xss)
-            .map_err(|e| cpu::HypervisorCpuError::GetCpuidVales(e.into()))
-    }
-
     #[cfg(target_arch = "x86_64")]
     ///
     /// Returns the state of the LAPIC (Local Advanced Programmable Interrupt Controller).
@@ -1115,7 +1033,6 @@ impl cpu::Vcpu for MshvVcpu {
             .map_err(|e| cpu::HypervisorCpuError::GetlapicState(e.into()))?
             .into())
     }
-
     #[cfg(target_arch = "x86_64")]
     ///
     /// Sets the state of the LAPIC (Local Advanced Programmable Interrupt Controller).
@@ -1126,21 +1043,18 @@ impl cpu::Vcpu for MshvVcpu {
             .set_lapic(&lapic)
             .map_err(|e| cpu::HypervisorCpuError::SetLapicState(e.into()))
     }
-
     ///
     /// Returns the vcpu's current "multiprocessing state".
     ///
     fn get_mp_state(&self) -> cpu::Result<MpState> {
         Ok(MpState::Mshv)
     }
-
     ///
     /// Sets the vcpu's current "multiprocessing state".
     ///
     fn set_mp_state(&self, _mp_state: MpState) -> cpu::Result<()> {
         Ok(())
     }
-
     ///
     /// Set CPU state
     ///
@@ -1166,7 +1080,6 @@ impl cpu::Vcpu for MshvVcpu {
             .map_err(|e| cpu::HypervisorCpuError::SetDebugRegs(e.into()))?;
         Ok(())
     }
-
     ///
     /// Get CPU State
     ///
@@ -1203,7 +1116,6 @@ impl cpu::Vcpu for MshvVcpu {
         }
         .into())
     }
-
     #[cfg(target_arch = "x86_64")]
     ///
     /// Translate guest virtual address to guest physical address
@@ -1220,7 +1132,6 @@ impl cpu::Vcpu for MshvVcpu {
 
         Ok((gpa, result_code))
     }
-
     #[cfg(target_arch = "x86_64")]
     ///
     /// Return the list of initial MSR entries for a VCPU
@@ -1253,7 +1164,6 @@ impl MshvVcpu {
             .get_xsave()
             .map_err(|e| cpu::HypervisorCpuError::GetXsaveState(e.into()))
     }
-
     #[cfg(target_arch = "x86_64")]
     ///
     /// X86 specific call that sets the vcpu's current "xsave struct".
@@ -1263,7 +1173,6 @@ impl MshvVcpu {
             .set_xsave(xsave)
             .map_err(|e| cpu::HypervisorCpuError::SetXsaveState(e.into()))
     }
-
     #[cfg(target_arch = "x86_64")]
     ///
     /// X86 specific call that returns the vcpu's current "xcrs".
@@ -1273,7 +1182,6 @@ impl MshvVcpu {
             .get_xcrs()
             .map_err(|e| cpu::HypervisorCpuError::GetXcsr(e.into()))
     }
-
     #[cfg(target_arch = "x86_64")]
     ///
     /// X86 specific call that sets the vcpu's current "xcrs".
@@ -1283,7 +1191,6 @@ impl MshvVcpu {
             .set_xcrs(xcrs)
             .map_err(|e| cpu::HypervisorCpuError::SetXcsr(e.into()))
     }
-
     #[cfg(target_arch = "x86_64")]
     ///
     /// Returns currently pending exceptions, interrupts, and NMIs as well as related
@@ -1294,7 +1201,6 @@ impl MshvVcpu {
             .get_vcpu_events()
             .map_err(|e| cpu::HypervisorCpuError::GetVcpuEvents(e.into()))
     }
-
     #[cfg(target_arch = "x86_64")]
     ///
     /// Sets pending exceptions, interrupts, and NMIs as well as related states
@@ -1474,7 +1380,6 @@ impl vm::Vm for MshvVm {
     fn set_identity_map_address(&self, _address: u64) -> vm::Result<()> {
         Ok(())
     }
-
     #[cfg(target_arch = "x86_64")]
     ///
     /// Sets the address of the three-page region in the VM's address space.
@@ -1482,14 +1387,12 @@ impl vm::Vm for MshvVm {
     fn set_tss_address(&self, _offset: usize) -> vm::Result<()> {
         Ok(())
     }
-
     ///
     /// Creates an in-kernel interrupt controller.
     ///
     fn create_irq_chip(&self) -> vm::Result<()> {
         Ok(())
     }
-
     ///
     /// Registers an event that will, when signaled, trigger the `gsi` IRQ.
     ///
@@ -1502,7 +1405,6 @@ impl vm::Vm for MshvVm {
 
         Ok(())
     }
-
     ///
     /// Unregisters an event that will, when signaled, trigger the `gsi` IRQ.
     ///
@@ -1515,7 +1417,6 @@ impl vm::Vm for MshvVm {
 
         Ok(())
     }
-
     ///
     /// Creates a VcpuFd object from a vcpu RawFd.
     ///
@@ -1534,22 +1435,17 @@ impl vm::Vm for MshvVm {
             cpuid: Vec::new(),
             msrs: self.msrs.clone(),
             vm_ops,
-            #[cfg(feature = "sev_snp")]
-            vm_fd: self.fd.clone(),
         };
         Ok(Arc::new(vcpu))
     }
-
     #[cfg(target_arch = "x86_64")]
     fn enable_split_irq(&self) -> vm::Result<()> {
         Ok(())
     }
-
     #[cfg(target_arch = "x86_64")]
     fn enable_sgx_attribute(&self, _file: File) -> vm::Result<()> {
         Ok(())
     }
-
     fn register_ioevent(
         &self,
         fd: &EventFd,
@@ -1580,7 +1476,6 @@ impl vm::Vm for MshvVm {
                 .map_err(|e| vm::HypervisorVmError::RegisterIoEvent(e.into()))
         }
     }
-
     /// Unregister an event from a certain address it has been previously registered to.
     fn unregister_ioevent(&self, fd: &EventFd, addr: &IoEventAddress) -> vm::Result<()> {
         let addr = &mshv_ioctls::IoEventAddress::from(*addr);
@@ -1705,7 +1600,6 @@ impl vm::Vm for MshvVm {
             .set_msi_routing(&msi_routing[0])
             .map_err(|e| vm::HypervisorVmError::SetGsiRouting(e.into()))
     }
-
     ///
     /// Start logging dirty pages
     ///
@@ -1714,7 +1608,6 @@ impl vm::Vm for MshvVm {
             .enable_dirty_page_tracking()
             .map_err(|e| vm::HypervisorVmError::StartDirtyLog(e.into()))
     }
-
     ///
     /// Stop logging dirty pages
     ///
@@ -1733,7 +1626,6 @@ impl vm::Vm for MshvVm {
             .map_err(|e| vm::HypervisorVmError::StartDirtyLog(e.into()))?;
         Ok(())
     }
-
     ///
     /// Get dirty pages bitmap (one bit per page)
     ///
@@ -1746,24 +1638,20 @@ impl vm::Vm for MshvVm {
             )
             .map_err(|e| vm::HypervisorVmError::GetDirtyLog(e.into()))
     }
-
     /// Retrieve guest clock.
     #[cfg(target_arch = "x86_64")]
     fn get_clock(&self) -> vm::Result<ClockData> {
         Ok(ClockData::Mshv)
     }
-
     /// Set guest clock.
     #[cfg(target_arch = "x86_64")]
     fn set_clock(&self, _data: &ClockData) -> vm::Result<()> {
         Ok(())
     }
-
     /// Downcast to the underlying MshvVm type
     fn as_any(&self) -> &dyn Any {
         self
     }
-
     /// Initialize the SEV-SNP VM
     #[cfg(feature = "sev_snp")]
     fn sev_snp_init(&self) -> vm::Result<()> {
@@ -1775,9 +1663,6 @@ impl vm::Vm for MshvVm {
             .map_err(|e| vm::HypervisorVmError::InitializeSevSnp(e.into()))
     }
 
-    ///
-    /// Importing isolated pages, these pages will be used
-    /// for the PSP(Platform Security Processor) measurement.
     #[cfg(feature = "sev_snp")]
     fn import_isolated_pages(
         &self,
@@ -1805,11 +1690,6 @@ impl vm::Vm for MshvVm {
             .import_isolated_pages(&isolated_pages[0])
             .map_err(|e| vm::HypervisorVmError::ImportIsolatedPages(e.into()))
     }
-
-    ///
-    /// Complete isolated import, telling the hypervisor that
-    /// importing the pages to guest memory is complete.
-    ///
     #[cfg(feature = "sev_snp")]
     fn complete_isolated_import(
         &self,

net_gen/Cargo.toml

@@ -5,4 +5,4 @@ authors = ["The Chromium OS Authors"]
 edition = "2021"
 
 [dependencies]
-vmm-sys-util = "0.12.1"
+vmm-sys-util = "0.11.0"

net_util/Cargo.toml

@@ -8,18 +8,18 @@ edition = "2021"
 epoll = "4.3.3"
 getrandom = "0.2.10"
 libc = "0.2.147"
-log = "0.4.20"
+log = "0.4.17"
 net_gen = { path = "../net_gen" }
 rate_limiter = { path = "../rate_limiter" }
 serde = "1.0.168"
-thiserror = "1.0.52"
-versionize = "0.2.0"
-versionize_derive = "0.1.6"
+thiserror = "1.0.40"
+versionize = "0.1.10"
+versionize_derive = "0.1.4"
 virtio-bindings = "0.2.0"
-virtio-queue = "0.11.0"
-vm-memory = { version = "0.14.0", features = ["backend-mmap", "backend-atomic", "backend-bitmap"] }
+virtio-queue = "0.9.0"
+vm-memory = { version = "0.12.2", features = ["backend-mmap", "backend-atomic", "backend-bitmap"] }
 vm-virtio = { path = "../vm-virtio" }
-vmm-sys-util = "0.12.1"
+vmm-sys-util = "0.11.0"
 
 [dev-dependencies]
 once_cell = "1.18.0"

net_util/src/open_tap.rs

@@ -72,10 +72,6 @@ pub fn open_tap(
     let mut taps: Vec<Tap> = Vec::new();
     let mut ifname: String = String::new();
     let vnet_hdr_size = vnet_hdr_len() as i32;
-    // Check if the given interface exists before we create it.
-    let tap_existed = if_name.map_or(false, |n| {
-        Path::new(&format!("/sys/class/net/{n}")).exists()
-    });
 
     // In case the tap interface already exists, check if the number of
     // queues is appropriate. The tap might not support multiqueue while
@@ -91,19 +87,11 @@ pub fn open_tap(
                 Some(name) => Tap::open_named(name, num_rx_q, flags).map_err(Error::TapOpen)?,
                 None => Tap::new(num_rx_q).map_err(Error::TapOpen)?,
             };
-            // Don't overwrite ip configuration of existing interfaces:
-            if !tap_existed {
-                if let Some(ip) = ip_addr {
-                    tap.set_ip_addr(ip).map_err(Error::TapSetIp)?;
-                }
-                if let Some(mask) = netmask {
-                    tap.set_netmask(mask).map_err(Error::TapSetNetmask)?;
-                }
-            } else {
-                warn!(
-                    "Tap {} already exists. IP configuration will not be overwritten.",
-                    if_name.unwrap_or_default()
-                );
+            if let Some(ip) = ip_addr {
+                tap.set_ip_addr(ip).map_err(Error::TapSetIp)?;
+            }
+            if let Some(mask) = netmask {
+                tap.set_netmask(mask).map_err(Error::TapSetNetmask)?;
             }
             if let Some(mac) = host_mac {
                 tap.set_mac_addr(*mac).map_err(Error::TapSetMac)?

pci/Cargo.toml

@@ -17,14 +17,14 @@ vfio-bindings = { git = "https://github.com/rust-vmm/vfio", branch = "main", fea
 vfio-ioctls = { git = "https://github.com/rust-vmm/vfio", branch = "main", default-features = false }
 vfio_user = { git = "https://github.com/rust-vmm/vfio-user", branch = "main" }
 
-vmm-sys-util = "0.12.1"
+vmm-sys-util = "0.11.0"
 libc = "0.2.147"
-log = "0.4.20"
+log = "0.4.17"
 serde = { version = "1.0.168", features = ["derive"] }
-thiserror = "1.0.52"
-versionize = "0.2.0"
-versionize_derive = "0.1.6"
+thiserror = "1.0.40"
+versionize = "0.1.10"
+versionize_derive = "0.1.4"
 vm-allocator = { path = "../vm-allocator" }
 vm-device = { path = "../vm-device" }
-vm-memory = { version = "0.14.0", features = ["backend-mmap", "backend-atomic", "backend-bitmap"] }
+vm-memory = { version = "0.12.2", features = ["backend-mmap", "backend-atomic", "backend-bitmap"] }
 vm-migration = { path = "../vm-migration" }

pci/src/device.rs

@@ -58,8 +58,7 @@ pub trait PciDevice: BusDevice {
     fn allocate_bars(
         &mut self,
         _allocator: &Arc<Mutex<SystemAllocator>>,
-        _mmio32_allocator: &mut AddressAllocator,
-        _mmio64_allocator: &mut AddressAllocator,
+        _mmio_allocator: &mut AddressAllocator,
         _resources: Option<Vec<Resource>>,
     ) -> Result<Vec<PciBarConfiguration>> {
         Ok(Vec::new())
@@ -69,8 +68,7 @@ pub trait PciDevice: BusDevice {
     fn free_bars(
         &mut self,
         _allocator: &mut SystemAllocator,
-        _mmio32_allocator: &mut AddressAllocator,
-        _mmio64_allocator: &mut AddressAllocator,
+        _mmio_allocator: &mut AddressAllocator,
     ) -> Result<()> {
         Ok(())
     }

pci/src/vfio.rs

@@ -529,13 +529,10 @@ impl VfioCommon {
         }
     }
 
-    // The `allocator` argument is unused on `aarch64`
-    #[allow(unused_variables)]
     pub(crate) fn allocate_bars(
         &mut self,
         allocator: &Arc<Mutex<SystemAllocator>>,
-        mmio32_allocator: &mut AddressAllocator,
-        mmio64_allocator: &mut AddressAllocator,
+        mmio_allocator: &mut AddressAllocator,
         resources: Option<Vec<Resource>>,
     ) -> Result<Vec<PciBarConfiguration>, PciDeviceError> {
         let mut bars = Vec::new();
@@ -684,23 +681,26 @@ impl VfioCommon {
                 }
                 PciBarRegionType::Memory32BitRegion => {
                     // BAR allocation must be naturally aligned
-                    mmio32_allocator
-                        .allocate(restored_bar_addr, region_size, Some(region_size))
+                    allocator
+                        .lock()
+                        .unwrap()
+                        .allocate_mmio_hole_addresses(
+                            restored_bar_addr,
+                            region_size,
+                            Some(region_size),
+                        )
                         .ok_or(PciDeviceError::IoAllocationFailed(region_size))?
                 }
                 PciBarRegionType::Memory64BitRegion => {
                     // We need do some fixup to keep MMIO RW region and msix cap region page size
                     // aligned.
                     region_size = self.fixup_msix_region(bar_id, region_size);
-                    mmio64_allocator
+                    mmio_allocator
                         .allocate(
                             restored_bar_addr,
                             region_size,
-                            Some(std::cmp::max(
-                                // SAFETY: FFI call. Trivially safe.
-                                unsafe { sysconf(_SC_PAGESIZE) as GuestUsize },
-                                region_size,
-                            )),
+                            // SAFETY: FFI call. Trivially safe.
+                            Some(unsafe { sysconf(_SC_PAGESIZE) as GuestUsize }),
                         )
                         .ok_or(PciDeviceError::IoAllocationFailed(region_size))?
                 }
@@ -742,13 +742,10 @@ impl VfioCommon {
         Ok(bars)
     }
 
-    // The `allocator` argument is unused on `aarch64`
-    #[allow(unused_variables)]
     pub(crate) fn free_bars(
         &mut self,
         allocator: &mut SystemAllocator,
-        mmio32_allocator: &mut AddressAllocator,
-        mmio64_allocator: &mut AddressAllocator,
+        mmio_allocator: &mut AddressAllocator,
     ) -> Result<(), PciDeviceError> {
         for region in self.mmio_regions.iter() {
             match region.type_ {
@@ -759,10 +756,10 @@ impl VfioCommon {
                     error!("I/O region is not supported");
                 }
                 PciBarRegionType::Memory32BitRegion => {
-                    mmio32_allocator.free(region.start, region.length);
+                    allocator.free_mmio_hole_addresses(region.start, region.length);
                 }
                 PciBarRegionType::Memory64BitRegion => {
-                    mmio64_allocator.free(region.start, region.length);
+                    mmio_allocator.free(region.start, region.length);
                 }
             }
         }
@@ -1697,22 +1694,19 @@ impl PciDevice for VfioPciDevice {
     fn allocate_bars(
         &mut self,
         allocator: &Arc<Mutex<SystemAllocator>>,
-        mmio32_allocator: &mut AddressAllocator,
-        mmio64_allocator: &mut AddressAllocator,
+        mmio_allocator: &mut AddressAllocator,
         resources: Option<Vec<Resource>>,
     ) -> Result<Vec<PciBarConfiguration>, PciDeviceError> {
         self.common
-            .allocate_bars(allocator, mmio32_allocator, mmio64_allocator, resources)
+            .allocate_bars(allocator, mmio_allocator, resources)
     }
 
     fn free_bars(
         &mut self,
         allocator: &mut SystemAllocator,
-        mmio32_allocator: &mut AddressAllocator,
-        mmio64_allocator: &mut AddressAllocator,
+        mmio_allocator: &mut AddressAllocator,
     ) -> Result<(), PciDeviceError> {
-        self.common
-            .free_bars(allocator, mmio32_allocator, mmio64_allocator)
+        self.common.free_bars(allocator, mmio_allocator)
     }
 
     fn write_config_register(

pci/src/vfio_user.rs

@@ -397,22 +397,19 @@ impl PciDevice for VfioUserPciDevice {
     fn allocate_bars(
         &mut self,
         allocator: &Arc<Mutex<SystemAllocator>>,
-        mmio32_allocator: &mut AddressAllocator,
-        mmio64_allocator: &mut AddressAllocator,
+        mmio_allocator: &mut AddressAllocator,
         resources: Option<Vec<Resource>>,
     ) -> Result<Vec<PciBarConfiguration>, PciDeviceError> {
         self.common
-            .allocate_bars(allocator, mmio32_allocator, mmio64_allocator, resources)
+            .allocate_bars(allocator, mmio_allocator, resources)
     }
 
     fn free_bars(
         &mut self,
         allocator: &mut SystemAllocator,
-        mmio32_allocator: &mut AddressAllocator,
-        mmio64_allocator: &mut AddressAllocator,
+        mmio_allocator: &mut AddressAllocator,
     ) -> Result<(), PciDeviceError> {
-        self.common
-            .free_bars(allocator, mmio32_allocator, mmio64_allocator)
+        self.common.free_bars(allocator, mmio_allocator)
     }
 
     fn as_any(&mut self) -> &mut dyn Any {

performance-metrics/Cargo.toml

@@ -6,7 +6,7 @@ edition = "2021"
 build = "../build.rs"
 
 [dependencies]
-clap = { version = "4.4.7", features = ["wrap_help"] }
+clap = { version = "4.0.32", features = ["wrap_help"] }
 dirs = "5.0.0"
 serde = { version = "1.0.168", features = ["rc", "derive"] }
 serde_json = "1.0.107"

performance-metrics/src/performance_tests.rs

@@ -19,7 +19,6 @@ pub const FOCAL_IMAGE_NAME: &str = "focal-server-cloudimg-amd64-custom-20210609-
 #[cfg(target_arch = "aarch64")]
 pub const FOCAL_IMAGE_NAME: &str = "focal-server-cloudimg-arm64-custom-20210929-0-update-tool.raw";
 
-#[allow(dead_code)]
 #[derive(Debug)]
 enum Error {
     BootTimeParse,

rate_limiter/Cargo.toml

@@ -5,6 +5,5 @@ edition = "2021"
 
 [dependencies]
 libc = "0.2.147"
-log = "0.4.20"
-thiserror = "1.0.40"
-vmm-sys-util = "0.12.1"
+log = "0.4.17"
+vmm-sys-util = "0.11.0"

release-notes.md

@@ -1,12 +1,4 @@
-- [v37.1](#v371)
-- [v37.0](#v370)
-    - [Long Term Support (LTS) Release](#long-term-support-lts-release)
-    - [Improved VFIO Device Passthrough with Multiple PCI Segments](#improved-vfio-device-passthrough-with-multiple-pci-segments)
-    - [Configurable Named TAP Devices](#configurable-named-tap-devices)
-    - [TTY Output from Both Serial Device and Virtio Console](#tty-output-from-both-serial-device-and-virtio-console)
-    - [Faster VM Restoration from Snapshots](#faster-vm-restoration-from-snapshots)
-    - [Notable Bug Fixes](#notable-bug-fixes)
-    - [Contributors](#contributors)
+- [v36.1](#v361)
 - [v36.0](#v360)
     - [Command Line Changes](#command-line-changes)
     - [Enabled Features Reported via API Endpoint and CLI](#enabled-features-reported-via-api-endpoint-and-cli)
@@ -15,31 +7,31 @@
     - [Unix Socket Backend for Serial Port](#unix-socket-backend-for-serial-port)
     - [AIO Backend for Block Devices](#aio-backend-for-block-devices)
     - [Documentation Improvements](#documentation-improvements)
-    - [Notable Bug Fixes](#notable-bug-fixes-1)
-    - [Contributors](#contributors-1)
+    - [Notable Bug Fixes](#notable-bug-fixes)
+    - [Contributors](#contributors)
 - [v35.0](#v350)
     - [`virtio-vsock` Support for Linux Guest Kernel v6.3+](#virtio-vsock-support-for-linux-guest-kernel-v63)
     - [User Specified Serial Number for `virtio-block`](#user-specified-serial-number-for-virtio-block)
     - [vCPU TSC Frequency Included in Migration State](#vcpu-tsc-frequency-included-in-migration-state)
-    - [Notable Bug Fixes](#notable-bug-fixes-2)
-    - [Contributors](#contributors-2)
+    - [Notable Bug Fixes](#notable-bug-fixes-1)
+    - [Contributors](#contributors-1)
 - [v34.0](#v340)
     - [Paravirtualised Panic Device Support](#paravirtualised-panic-device-support)
     - [Improvements to VM Core Dump](#improvements-to-vm-core-dump)
     - [QCOW2 Support for Backing Files](#qcow2-support-for-backing-files)
     - [Minimum Host Kernel Bump](#minimum-host-kernel-bump)
-    - [Notable Bug Fixes](#notable-bug-fixes-3)
-    - [Contributors](#contributors-3)
+    - [Notable Bug Fixes](#notable-bug-fixes-2)
+    - [Contributors](#contributors-2)
 - [v33.0](#v330)
     - [D-Bus based API](#d-bus-based-api)
     - [Expose Host CPU Cache Details for AArch64](#expose-host-cpu-cache-details-for-aarch64)
-    - [Notable Bug Fixes](#notable-bug-fixes-4)
-    - [Contributors](#contributors-4)
+    - [Notable Bug Fixes](#notable-bug-fixes-3)
+    - [Contributors](#contributors-3)
 - [v32.0](#v320)
     - [Increased PCI Segment Limit](#increased-pci-segment-limit)
     - [API Changes](#api-changes)
-    - [Notable Bug Fixes](#notable-bug-fixes-5)
-    - [Contributors](#contributors-5)
+    - [Notable Bug Fixes](#notable-bug-fixes-4)
+    - [Contributors](#contributors-4)
 - [v31.1](#v311)
 - [v31.0](#v310)
     - [Update to Latest `acpi_tables`](#update-to-latest-acpi_tables)
@@ -47,15 +39,15 @@
     - [Improvements on Console `SIGWINCH` Handler](#improvements-on-console-sigwinch-handler)
     - [Remove Directory Support from `MemoryZoneConfig::file`](#remove-directory-support-from-memoryzoneconfigfile)
     - [Documentation Improvements](#documentation-improvements-1)
-    - [Notable Bug Fixes](#notable-bug-fixes-6)
-    - [Contributors](#contributors-6)
+    - [Notable Bug Fixes](#notable-bug-fixes-5)
+    - [Contributors](#contributors-5)
 - [v30.0](#v300)
     - [Command Line Changes for Reduced Binary Size](#command-line-changes-for-reduced-binary-size)
     - [Basic vfio-user Server Support](#basic-vfio-user-server-support)
     - [Heap Profiling Support](#heap-profiling-support)
     - [Documentation Improvements](#documentation-improvements-2)
-    - [Notable Bug Fixes](#notable-bug-fixes-7)
-    - [Contributors](#contributors-7)
+    - [Notable Bug Fixes](#notable-bug-fixes-6)
+    - [Contributors](#contributors-6)
 - [v28.2](#v282)
 - [v29.0](#v290)
     - [Release Binary Supports Both MSHV and KVM](#release-binary-supports-both-mshv-and-kvm)
@@ -65,20 +57,20 @@
     - [`AArch64` Documentation Integration](#aarch64-documentation-integration)
     - [`virtio-block` Counters Enhancement](#virtio-block-counters-enhancement)
     - [TCP Offload Control](#tcp-offload-control)
-    - [Notable Bug Fixes](#notable-bug-fixes-8)
+    - [Notable Bug Fixes](#notable-bug-fixes-7)
     - [Removals](#removals)
     - [Deprecations](#deprecations)
-    - [Contributors](#contributors-8)
+    - [Contributors](#contributors-7)
 - [v28.1](#v281)
 - [v28.0](#v280)
     - [Community Engagement (Reminder)](#community-engagement-reminder)
-    - [Long Term Support (LTS) Release](#long-term-support-lts-release-1)
+    - [Long Term Support (LTS) Release](#long-term-support-lts-release)
     - [Virtualised TPM Support](#virtualised-tpm-support)
     - [Transparent Huge Page Support](#transparent-huge-page-support)
     - [README Quick Start Improved](#readme-quick-start-improved)
-    - [Notable Bug Fixes](#notable-bug-fixes-9)
+    - [Notable Bug Fixes](#notable-bug-fixes-8)
     - [Removals](#removals-1)
-    - [Contributors](#contributors-9)
+    - [Contributors](#contributors-8)
 - [v27.0](#v270)
     - [Community Engagement](#community-engagement)
     - [Prebuilt Packages](#prebuilt-packages)
@@ -87,41 +79,41 @@
     - [Simplified Build Feature Flags](#simplified-build-feature-flags)
     - [Asynchronous Kernel Loading](#asynchronous-kernel-loading)
     - [GDB Support for AArch64](#gdb-support-for-aarch64)
-    - [Notable Bug Fixes](#notable-bug-fixes-10)
+    - [Notable Bug Fixes](#notable-bug-fixes-9)
     - [Deprecations](#deprecations-1)
-    - [Contributors](#contributors-10)
+    - [Contributors](#contributors-9)
 - [v26.0](#v260)
     - [SMBIOS Improvements via `--platform`](#smbios-improvements-via---platform)
     - [Unified Binary MSHV and KVM Support](#unified-binary-mshv-and-kvm-support)
-    - [Notable Bug Fixes](#notable-bug-fixes-11)
+    - [Notable Bug Fixes](#notable-bug-fixes-10)
     - [Deprecations](#deprecations-2)
     - [Removals](#removals-2)
-    - [Contributors](#contributors-11)
+    - [Contributors](#contributors-10)
 - [v25.0](#v250)
     - [`ch-remote` Improvements](#ch-remote-improvements-1)
     - [VM "Coredump" Support](#vm-coredump-support)
-    - [Notable Bug Fixes](#notable-bug-fixes-12)
+    - [Notable Bug Fixes](#notable-bug-fixes-11)
     - [Removals](#removals-3)
-    - [Contributors](#contributors-12)
+    - [Contributors](#contributors-11)
 - [v24.0](#v240)
     - [Bypass Mode for `virtio-iommu`](#bypass-mode-for-virtio-iommu)
     - [Ensure Identifiers Uniqueness](#ensure-identifiers-uniqueness)
     - [Sparse Mmap support](#sparse-mmap-support)
     - [Expose Platform Serial Number](#expose-platform-serial-number)
-    - [Notable Bug Fixes](#notable-bug-fixes-13)
+    - [Notable Bug Fixes](#notable-bug-fixes-12)
     - [Notable Improvements](#notable-improvements)
     - [Deprecations](#deprecations-3)
     - [New on the Website](#new-on-the-website)
-    - [Contributors](#contributors-13)
+    - [Contributors](#contributors-12)
 - [v23.1](#v231)
 - [v23.0](#v230)
     - [vDPA Support](#vdpa-support)
     - [Updated OS Support list](#updated-os-support-list)
     - [`AArch64` Memory Map Improvements](#aarch64-memory-map-improvements)
     - [`AMX` Support](#amx-support)
-    - [Notable Bug Fixes](#notable-bug-fixes-14)
+    - [Notable Bug Fixes](#notable-bug-fixes-13)
     - [Deprecations](#deprecations-4)
-    - [Contributors](#contributors-14)
+    - [Contributors](#contributors-13)
 - [v22.1](#v221)
 - [v22.0](#v220)
     - [GDB Debug Stub Support](#gdb-debug-stub-support)
@@ -132,13 +124,13 @@
     - [PMU Support for AArch64](#pmu-support-for-aarch64)
     - [Documentation Under CC-BY-4.0 License](#documentation-under-cc-by-40-license)
     - [Deprecation of "Classic" `virtiofsd`](#deprecation-of-classic-virtiofsd)
-    - [Notable Bug Fixes](#notable-bug-fixes-15)
-    - [Contributors](#contributors-15)
+    - [Notable Bug Fixes](#notable-bug-fixes-14)
+    - [Contributors](#contributors-14)
 - [v21.0](#v210)
     - [Efficient Local Live Migration (for Live Upgrade)](#efficient-local-live-migration-for-live-upgrade)
     - [Recommended Kernel is Now 5.15](#recommended-kernel-is-now-515)
-    - [Notable Bug fixes](#notable-bug-fixes-16)
-    - [Contributors](#contributors-16)
+    - [Notable Bug fixes](#notable-bug-fixes-15)
+    - [Contributors](#contributors-15)
 - [v20.2](#v202)
 - [v20.1](#v201)
 - [v20.0](#v200)
@@ -147,8 +139,8 @@
     - [Improved VFIO support](#improved-vfio-support)
     - [Safer code](#safer-code)
     - [Extended documentation](#extended-documentation)
-    - [Notable bug fixes](#notable-bug-fixes-17)
-    - [Contributors](#contributors-17)
+    - [Notable bug fixes](#notable-bug-fixes-16)
+    - [Contributors](#contributors-16)
 - [v19.0](#v190)
     - [Improved PTY handling for serial and `virtio-console`](#improved-pty-handling-for-serial-and-virtio-console)
     - [PCI boot time optimisations](#pci-boot-time-optimisations)
@@ -156,8 +148,8 @@
     - [Live migration enhancements](#live-migration-enhancements)
     - [`virtio-mem` support with `vfio-user`](#virtio-mem-support-with-vfio-user)
     - [AArch64 for `virtio-iommu`](#aarch64-for-virtio-iommu)
-    - [Notable bug fixes](#notable-bug-fixes-18)
-    - [Contributors](#contributors-18)
+    - [Notable bug fixes](#notable-bug-fixes-17)
+    - [Contributors](#contributors-17)
 - [v18.0](#v180)
     - [Experimental User Device (`vfio-user`) support](#experimental-user-device-vfio-user-support)
     - [Migration support for `vhost-user` devices](#migration-support-for-vhost-user-devices)
@@ -167,23 +159,23 @@
     - [Live migration on MSHV hypervisor](#live-migration-on-mshv-hypervisor)
     - [AArch64 CPU topology support](#aarch64-cpu-topology-support)
     - [Power button support on AArch64](#power-button-support-on-aarch64)
-    - [Notable bug fixes](#notable-bug-fixes-19)
-    - [Contributors](#contributors-19)
+    - [Notable bug fixes](#notable-bug-fixes-18)
+    - [Contributors](#contributors-18)
 - [v17.0](#v170)
     - [ARM64 NUMA support using ACPI](#arm64-numa-support-using-acpi)
     - [`Seccomp` support for MSHV backend](#seccomp-support-for-mshv-backend)
     - [Hotplug of `macvtap` devices](#hotplug-of-macvtap-devices)
     - [Improved SGX support](#improved-sgx-support)
     - [Inflight tracking for `vhost-user` devices](#inflight-tracking-for-vhost-user-devices)
-    - [Notable bug fixes](#notable-bug-fixes-20)
-    - [Contributors](#contributors-20)
+    - [Notable bug fixes](#notable-bug-fixes-19)
+    - [Contributors](#contributors-19)
 - [v16.0](#v160)
     - [Improved live migration support](#improved-live-migration-support)
     - [Improved `vhost-user` support](#improved-vhost-user-support)
     - [ARM64 ACPI and UEFI support](#arm64-acpi-and-uefi-support)
-    - [Notable bug fixes](#notable-bug-fixes-21)
+    - [Notable bug fixes](#notable-bug-fixes-20)
     - [Removed functionality](#removed-functionality)
-    - [Contributors](#contributors-21)
+    - [Contributors](#contributors-20)
 - [v15.0](#v150)
     - [Version numbering and stability guarantees](#version-numbering-and-stability-guarantees)
     - [Network device rate limiting](#network-device-rate-limiting)
@@ -191,7 +183,7 @@
     - [`--api-socket` supports file descriptor parameter](#--api-socket-supports-file-descriptor-parameter)
     - [Bug fixes](#bug-fixes)
     - [Deprecations](#deprecations-5)
-    - [Contributors](#contributors-22)
+    - [Contributors](#contributors-21)
 - [v0.14.1](#v0141)
 - [v0.14.0](#v0140)
     - [Structured event monitoring](#structured-event-monitoring)
@@ -201,7 +193,7 @@
     - [PTY control for serial and `virtio-console`](#pty-control-for-serial-and-virtio-console)
     - [Block device rate limiting](#block-device-rate-limiting)
     - [Deprecations](#deprecations-6)
-    - [Contributors](#contributors-23)
+    - [Contributors](#contributors-22)
 - [v0.13.0](#v0130)
     - [Wider VFIO device support](#wider-vfio-device-support)
     - [Improved huge page support](#improved-huge-page-support)
@@ -209,13 +201,13 @@
     - [VHD disk image support](#vhd-disk-image-support)
     - [Improved Virtio device threading](#improved-virtio-device-threading)
     - [Clean shutdown support via synthetic power button](#clean-shutdown-support-via-synthetic-power-button)
-    - [Contributors](#contributors-24)
+    - [Contributors](#contributors-23)
 - [v0.12.0](#v0120)
     - [ARM64 enhancements](#arm64-enhancements)
     - [Removal of `vhost-user-net` and `vhost-user-block` self spawning](#removal-of-vhost-user-net-and-vhost-user-block-self-spawning)
     - [Migration of `vhost-user-fs` backend](#migration-of-vhost-user-fs-backend)
     - [Enhanced "info" API](#enhanced-info-api)
-    - [Contributors](#contributors-25)
+    - [Contributors](#contributors-24)
 - [v0.11.0](#v0110)
     - [`io_uring` support by default for `virtio-block`](#io_uring-support-by-default-for-virtio-block)
     - [Windows Guest Support](#windows-guest-support)
@@ -227,15 +219,15 @@
     - [Default Log Level Changed](#default-log-level-changed)
     - [New `--balloon` Parameter Added](#new---balloon-parameter-added)
     - [Experimental `virtio-watchdog` Support](#experimental-virtio-watchdog-support)
-    - [Notable Bug Fixes](#notable-bug-fixes-22)
-    - [Contributors](#contributors-26)
+    - [Notable Bug Fixes](#notable-bug-fixes-21)
+    - [Contributors](#contributors-25)
 - [v0.10.0](#v0100)
     - [`virtio-block` Support for Multiple Descriptors](#virtio-block-support-for-multiple-descriptors)
     - [Memory Zones](#memory-zones)
     - [`Seccomp` Sandbox Improvements](#seccomp-sandbox-improvements)
     - [Preliminary KVM HyperV Emulation Control](#preliminary-kvm-hyperv-emulation-control)
-    - [Notable Bug Fixes](#notable-bug-fixes-23)
-    - [Contributors](#contributors-27)
+    - [Notable Bug Fixes](#notable-bug-fixes-22)
+    - [Contributors](#contributors-26)
 - [v0.9.0](#v090)
     - [`io_uring` Based Block Device Support](#io_uring-based-block-device-support)
     - [Block and Network Device Statistics](#block-and-network-device-statistics)
@@ -248,17 +240,17 @@
     - [Enhancements to ARM64 Support](#enhancements-to-arm64-support)
     - [Intel SGX Support](#intel-sgx-support)
     - [`Seccomp` Sandbox Improvements](#seccomp-sandbox-improvements-1)
-    - [Notable Bug Fixes](#notable-bug-fixes-24)
-    - [Contributors](#contributors-28)
+    - [Notable Bug Fixes](#notable-bug-fixes-23)
+    - [Contributors](#contributors-27)
 - [v0.8.0](#v080)
     - [Experimental Snapshot and Restore Support](#experimental-snapshot-and-restore-support)
     - [Experimental ARM64 Support](#experimental-arm64-support)
     - [Support for Using 5-level Paging in Guests](#support-for-using-5-level-paging-in-guests)
     - [Virtio Device Interrupt Suppression for Network Devices](#virtio-device-interrupt-suppression-for-network-devices)
     - [`vhost_user_fs` Improvements](#vhost_user_fs-improvements)
-    - [Notable Bug Fixes](#notable-bug-fixes-25)
+    - [Notable Bug Fixes](#notable-bug-fixes-24)
     - [Command Line and API Changes](#command-line-and-api-changes)
-    - [Contributors](#contributors-29)
+    - [Contributors](#contributors-28)
 - [v0.7.0](#v070)
     - [Block, Network, Persistent Memory (PMEM), VirtioFS and Vsock hotplug](#block-network-persistent-memory-pmem-virtiofs-and-vsock-hotplug)
     - [Alternative `libc` Support](#alternative-libc-support)
@@ -268,14 +260,14 @@
     - [`Seccomp` Sandboxing](#seccomp-sandboxing)
     - [Updated Distribution Support](#updated-distribution-support)
     - [Command Line and API Changes](#command-line-and-api-changes-1)
-    - [Contributors](#contributors-30)
+    - [Contributors](#contributors-29)
 - [v0.6.0](#v060)
     - [Directly Assigned Devices Hotplug](#directly-assigned-devices-hotplug)
     - [Shared Filesystem Improvements](#shared-filesystem-improvements)
     - [Block and Networking IO Self Offloading](#block-and-networking-io-self-offloading)
     - [Command Line Interface](#command-line-interface)
     - [PVH Boot](#pvh-boot)
-    - [Contributors](#contributors-31)
+    - [Contributors](#contributors-30)
 - [v0.5.1](#v051)
 - [v0.5.0](#v050)
     - [Virtual Machine Dynamic Resizing](#virtual-machine-dynamic-resizing)
@@ -283,7 +275,7 @@
     - [New Interrupt Management Framework](#new-interrupt-management-framework)
     - [Development Tools](#development-tools)
     - [Kata Containers Integration](#kata-containers-integration)
-    - [Contributors](#contributors-32)
+    - [Contributors](#contributors-31)
 - [v0.4.0](#v040)
     - [Dynamic virtual CPUs addition](#dynamic-virtual-cpus-addition)
     - [Programmatic firmware tables generation](#programmatic-firmware-tables-generation)
@@ -292,7 +284,7 @@
     - [Userspace IOAPIC by default](#userspace-ioapic-by-default)
     - [PCI BAR reprogramming](#pci-bar-reprogramming)
     - [New `cloud-hypervisor` organization](#new-cloud-hypervisor-organization)
-    - [Contributors](#contributors-33)
+    - [Contributors](#contributors-32)
 - [v0.3.0](#v030)
     - [Block device offloading](#block-device-offloading)
     - [Network device backend](#network-device-backend)
@@ -319,80 +311,16 @@
     - [Unit testing](#unit-testing)
     - [Integration tests parallelization](#integration-tests-parallelization)
 
-# v37.1
+# v36.1
 
 This is a bug fix release. The following issues have been addressed:
 
-* Fix several security advisories from dependencies (#6134, #6141)
-* Enable HTT flag to avoid crashing cpu topology enumeration software
-such as hwloc in the guest (#6146)
-* Enable nested virtualization on AMD if supported (#6106)
-* Handle non-power-of-two CPU topology properly (#6062)
-* Various bug fixes around virtio-vsock(#6080, #6091, #6095)
-* Align VFIO devices PCI BARs naturally (#6196)
-
-# v37.0
-
-This release has been tracked in our [roadmap
-project](https://github.com/orgs/cloud-hypervisor/projects/6) as iteration
-v37.0. The following user visible changes have been made:
-
-### Long Term Support (LTS) Release
-
-This release is a LTS release. Point releases for bug fixes will be made
-for the next 18 months; live migration and live upgrade will be
-supported between the point releases of the LTS.
-
-### Multiple PCI segments Support for 32-bit VFIO devices
-
-Now VFIO devices with 32-bit memory BARs can be attached to non-zero PCI
-segments on the guest, allowing users to have more 32-bit devices and
-assign such devices to appropriate NUMA nodes for better performance.
-
-### Configurable Named TAP Devices
-
-Named TAP devices now accepts IP configuration from users, such as IP
-and MAC address, as long as the named TAP device is created by Cloud
-Hypervisor (e.g. not existing TAP devices).
-
-### TTY Output from Both Serial Device and Virtio Console
-
-Now legacy serial device and virtio console can be set as TTY mode as
-the same time. This allows users to capture early boot logs with the
-legacy serial device without losing performance benefits of using
-virtio-console, when appropriate kernel configuration is used (such as
-using kernel command-line `console=hvc0 earlyprintk=ttyS0` on x86).
-
-### Faster VM Restoration from Snapshots
-
-The speed of VM restoration from snapshots is improved with a better
-implementation of deserializing JSON files.
-
-### Notable Bug Fixes
-
 * Fix aio backend behavior for block devices when writeback cache
-  disabled (#5930)
+disabled (#5930)
 * Fix PvPanic device PCI BAR alignment (#5956)
 * Bug fix to OpenAPI specification file (#5967)
 * Error out early for live migration when TDX is enabled (#6025)
 
-### Contributors
-
-Many thanks to everyone who has contributed to our release:
-
-* Bo Chen <chen.bo@intel.com>
-* Jinank Jain <jinankjain@microsoft.com>
-* Markus Sütter <markus.suetter@secunet.com>
-* Michael Zhao <michael.zhao@arm.com>
-* Muminul Islam <muislam@microsoft.com>
-* Rob Bradford <rbradford@rivosinc.com>
-* Rui Chang <rui.chang@arm.com>
-* Ruslan Mstoi <ruslan.mstoi@intel.com>
-* Thomas Barrett <tbarrett@crusoeenergy.com>
-* Wei Liu <liuwe@microsoft.com>
-* Yi Wang <foxywang@tencent.com>
-* Yong He <alexyonghe@tencent.com>
-
 # v36.0
 
 This release has been tracked in our [roadmap

resources/Dockerfile

@@ -6,7 +6,7 @@
 FROM ubuntu:22.04 as dev
 
 ARG TARGETARCH
-ARG RUST_TOOLCHAIN="1.70.0"
+ARG RUST_TOOLCHAIN="1.67.1"
 ARG CLH_SRC_DIR="/cloud-hypervisor"
 ARG CLH_BUILD_DIR="$CLH_SRC_DIR/build"
 ARG CARGO_REGISTRY_DIR="$CLH_BUILD_DIR/cargo_registry"

scripts/dev_cli.sh

@@ -434,7 +434,6 @@ cmd_tests() {
             --env BUILD_TARGET="$target" \
             --env RUSTFLAGS="$rustflags" \
             --env TARGET_CC="$target_cc" \
-            --env AUTH_DOWNLOAD_TOKEN="$AUTH_DOWNLOAD_TOKEN" \
             "$CTR_IMAGE" \
             dbus-run-session ./scripts/run_integration_tests_"$(uname -m)".sh "$@" || fix_dir_perms $? || exit $?
     fi
@@ -456,7 +455,6 @@ cmd_tests() {
             --env BUILD_TARGET="$target" \
             --env RUSTFLAGS="$rustflags" \
             --env TARGET_CC="$target_cc" \
-            --env AUTH_DOWNLOAD_TOKEN="$AUTH_DOWNLOAD_TOKEN" \
             "$CTR_IMAGE" \
             ./scripts/run_integration_tests_sgx.sh "$@" || fix_dir_perms $? || exit $?
     fi
@@ -478,7 +476,6 @@ cmd_tests() {
             --env BUILD_TARGET="$target" \
             --env RUSTFLAGS="$rustflags" \
             --env TARGET_CC="$target_cc" \
-            --env AUTH_DOWNLOAD_TOKEN="$AUTH_DOWNLOAD_TOKEN" \
             "$CTR_IMAGE" \
             ./scripts/run_integration_tests_vfio.sh "$@" || fix_dir_perms $? || exit $?
     fi
@@ -500,7 +497,6 @@ cmd_tests() {
             --env BUILD_TARGET="$target" \
             --env RUSTFLAGS="$rustflags" \
             --env TARGET_CC="$target_cc" \
-            --env AUTH_DOWNLOAD_TOKEN="$AUTH_DOWNLOAD_TOKEN" \
             "$CTR_IMAGE" \
             ./scripts/run_integration_tests_windows_"$(uname -m)".sh "$@" || fix_dir_perms $? || exit $?
     fi
@@ -522,7 +518,6 @@ cmd_tests() {
             --env BUILD_TARGET="$target" \
             --env RUSTFLAGS="$rustflags" \
             --env TARGET_CC="$target_cc" \
-            --env AUTH_DOWNLOAD_TOKEN="$AUTH_DOWNLOAD_TOKEN" \
             "$CTR_IMAGE" \
             ./scripts/run_integration_tests_live_migration.sh "$@" || fix_dir_perms $? || exit $?
     fi
@@ -544,7 +539,6 @@ cmd_tests() {
             --env BUILD_TARGET="$target" \
             --env RUSTFLAGS="$rustflags" \
             --env TARGET_CC="$target_cc" \
-            --env AUTH_DOWNLOAD_TOKEN="$AUTH_DOWNLOAD_TOKEN" \
             "$CTR_IMAGE" \
             ./scripts/run_integration_tests_rate_limiter.sh "$@" || fix_dir_perms $? || exit $?
     fi
@@ -567,7 +561,6 @@ cmd_tests() {
             --env RUSTFLAGS="$rustflags" \
             --env TARGET_CC="$target_cc" \
             --env RUST_BACKTRACE="${RUST_BACKTRACE}" \
-            --env AUTH_DOWNLOAD_TOKEN="$AUTH_DOWNLOAD_TOKEN" \
             "$CTR_IMAGE" \
             ./scripts/run_metrics.sh "$@" || fix_dir_perms $? || exit $?
     fi

scripts/gitlint/rules.py

@@ -1,91 +0,0 @@
-from gitlint.rules import LineRule, RuleViolation, CommitMessageTitle
-import re
-
-
-class TitleStartsWithComponent(LineRule):
-    """A rule to enforce valid commit message title
-
-    Valid title format:
-    component1[, component2, componentN]: submodule: summary
-
-    Title should have at least one component
-    Components are separated by comma+space: ", "
-    Components are validated to be in valid_components
-    Components list is ended by a colon
-    Submodules are not validated
-
-    """
-
-    # A rule MUST have a human friendly name
-    name = "title-has-valid-component"
-
-    # A rule MUST have a *unique* id.
-    # We recommend starting with UL (for User-defined Line-rule)
-    id = "UL1"
-
-    # A line-rule MUST have a target (not required for CommitRules).
-    target = CommitMessageTitle
-
-    def validate(self, line, _commit):
-        valid_components = (
-            'api_client',
-            'arch',
-            'block',
-            'build',
-            'ch-remote',
-            'ci',
-            'devices',
-            'docs',
-            'event_monitor',
-            'fuzz',
-            'github',
-            'gitignore',
-            'gitlint',
-            'hypervisor',
-            'main',
-            'misc',
-            'net_gen',
-            'net_util',
-            'option_parser',
-            'pci',
-            'performance-metrics',
-            'rate_limiter',
-            'README',
-            'resources',
-            'scripts',
-            'serial_buffer',
-            'test_data',
-            'test_infra',
-            'tests',
-            'tpm',
-            'tracer',
-            'vhost_user_block',
-            'vhost_user_net',
-            'virtio-devices',
-            'vm-allocator',
-            'vm-device',
-            'vmm',
-            'vm-migration',
-            'vm-virtio')
-
-        ptrn_title = re.compile(r'^(.+?):\s(.+)$')
-        match = ptrn_title.match(line)
-
-        if not match:
-            self.log.debug("Invalid commit title {}", line)
-            return [RuleViolation(self.id, "Commit title does not comply with "
-                                  "rule: 'component: change summary'")]
-        components = match.group(1)
-        summary = match.group(2)
-        self.log.debug(f"\nComponents: {components}\nSummary: {summary}")
-
-        ptrn_components = re.compile(r',\s')
-        components_list = re.split(ptrn_components, components)
-        self.log.debug("components list: %s" % components_list)
-
-        for component in components_list:
-            if component not in valid_components:
-                return [RuleViolation(self.id,
-                                      f"Invalid component: {component}, "
-                                      "\nValid components are: {}".format(
-                                          " ".join(valid_components)))]

scripts/run_integration_tests_aarch64.sh

@@ -53,8 +53,35 @@ build_virtiofsd() {
 update_workloads() {
     cp scripts/sha1sums-aarch64 $WORKLOADS_DIR
 
+    BIONIC_OS_IMAGE_DOWNLOAD_NAME="bionic-server-cloudimg-arm64.img"
+    BIONIC_OS_IMAGE_DOWNLOAD_URL="https://cloud-hypervisor.azureedge.net/$BIONIC_OS_IMAGE_DOWNLOAD_NAME"
+    BIONIC_OS_DOWNLOAD_IMAGE="$WORKLOADS_DIR/$BIONIC_OS_IMAGE_DOWNLOAD_NAME"
+    if [ ! -f "$BIONIC_OS_DOWNLOAD_IMAGE" ]; then
+        pushd $WORKLOADS_DIR
+        time wget --quiet $BIONIC_OS_IMAGE_DOWNLOAD_URL || exit 1
+        popd
+    fi
+
+    BIONIC_OS_RAW_IMAGE_NAME="bionic-server-cloudimg-arm64.raw"
+    BIONIC_OS_RAW_IMAGE="$WORKLOADS_DIR/$BIONIC_OS_RAW_IMAGE_NAME"
+    if [ ! -f "$BIONIC_OS_RAW_IMAGE" ]; then
+        pushd $WORKLOADS_DIR
+        time qemu-img convert -p -f qcow2 -O raw $BIONIC_OS_IMAGE_DOWNLOAD_NAME $BIONIC_OS_RAW_IMAGE_NAME || exit 1
+        popd
+    fi
+
+    # Convert the raw image to qcow2 image to remove compressed blocks from the disk. Therefore letting the
+    # qcow2 format image can be directly used in the integration test.
+    BIONIC_OS_QCOW2_IMAGE_UNCOMPRESSED_NAME="bionic-server-cloudimg-arm64.qcow2"
+    BIONIC_OS_QCOW2_UNCOMPRESSED_IMAGE="$WORKLOADS_DIR/$BIONIC_OS_QCOW2_IMAGE_UNCOMPRESSED_NAME"
+    if [ ! -f "$BIONIC_OS_QCOW2_UNCOMPRESSED_IMAGE" ]; then
+        pushd $WORKLOADS_DIR
+        time qemu-img convert -p -f raw -O qcow2 $BIONIC_OS_RAW_IMAGE_NAME $BIONIC_OS_QCOW2_UNCOMPRESSED_IMAGE || exit 1
+        popd
+    fi
+
     FOCAL_OS_RAW_IMAGE_NAME="focal-server-cloudimg-arm64-custom-20210929-0.raw"
-    FOCAL_OS_RAW_IMAGE_DOWNLOAD_URL="https://ch-images.azureedge.net/$FOCAL_OS_RAW_IMAGE_NAME"
+    FOCAL_OS_RAW_IMAGE_DOWNLOAD_URL="https://cloud-hypervisor.azureedge.net/$FOCAL_OS_RAW_IMAGE_NAME"
     FOCAL_OS_RAW_IMAGE="$WORKLOADS_DIR/$FOCAL_OS_RAW_IMAGE_NAME"
     if [ ! -f "$FOCAL_OS_RAW_IMAGE" ]; then
         pushd $WORKLOADS_DIR
@@ -63,7 +90,7 @@ update_workloads() {
     fi
 
     FOCAL_OS_QCOW2_IMAGE_UNCOMPRESSED_NAME="focal-server-cloudimg-arm64-custom-20210929-0.qcow2"
-    FOCAL_OS_QCOW2_IMAGE_UNCOMPRESSED_DOWNLOAD_URL="https://ch-images.azureedge.net/$FOCAL_OS_QCOW2_IMAGE_UNCOMPRESSED_NAME"
+    FOCAL_OS_QCOW2_IMAGE_UNCOMPRESSED_DOWNLOAD_URL="https://cloud-hypervisor.azureedge.net/$FOCAL_OS_QCOW2_IMAGE_UNCOMPRESSED_NAME"
     FOCAL_OS_QCOW2_UNCOMPRESSED_IMAGE="$WORKLOADS_DIR/$FOCAL_OS_QCOW2_IMAGE_UNCOMPRESSED_NAME"
     if [ ! -f "$FOCAL_OS_QCOW2_UNCOMPRESSED_IMAGE" ]; then
         pushd $WORKLOADS_DIR
@@ -80,7 +107,7 @@ update_workloads() {
     fi
 
     JAMMY_OS_RAW_IMAGE_NAME="jammy-server-cloudimg-arm64-custom-20220329-0.raw"
-    JAMMY_OS_RAW_IMAGE_DOWNLOAD_URL="https://ch-images.azureedge.net/$JAMMY_OS_RAW_IMAGE_NAME"
+    JAMMY_OS_RAW_IMAGE_DOWNLOAD_URL="https://cloud-hypervisor.azureedge.net/$JAMMY_OS_RAW_IMAGE_NAME"
     JAMMY_OS_RAW_IMAGE="$WORKLOADS_DIR/$JAMMY_OS_RAW_IMAGE_NAME"
     if [ ! -f "$JAMMY_OS_RAW_IMAGE" ]; then
         pushd $WORKLOADS_DIR
@@ -89,7 +116,7 @@ update_workloads() {
     fi
 
     JAMMY_OS_QCOW2_IMAGE_UNCOMPRESSED_NAME="jammy-server-cloudimg-arm64-custom-20220329-0.qcow2"
-    JAMMY_OS_QCOW2_IMAGE_UNCOMPRESSED_DOWNLOAD_URL="https://ch-images.azureedge.net/$JAMMY_OS_QCOW2_IMAGE_UNCOMPRESSED_NAME"
+    JAMMY_OS_QCOW2_IMAGE_UNCOMPRESSED_DOWNLOAD_URL="https://cloud-hypervisor.azureedge.net/$JAMMY_OS_QCOW2_IMAGE_UNCOMPRESSED_NAME"
     JAMMY_OS_QCOW2_UNCOMPRESSED_IMAGE="$WORKLOADS_DIR/$JAMMY_OS_QCOW2_IMAGE_UNCOMPRESSED_NAME"
     if [ ! -f "$JAMMY_OS_QCOW2_UNCOMPRESSED_IMAGE" ]; then
         pushd $WORKLOADS_DIR

scripts/run_integration_tests_live_migration.sh

@@ -19,7 +19,7 @@ fi
 cp scripts/sha1sums-x86_64 $WORKLOADS_DIR
 
 FOCAL_OS_IMAGE_NAME="focal-server-cloudimg-amd64-custom-20210609-0.qcow2"
-FOCAL_OS_IMAGE_URL="https://ch-images.azureedge.net/$FOCAL_OS_IMAGE_NAME"
+FOCAL_OS_IMAGE_URL="https://cloud-hypervisor.azureedge.net/$FOCAL_OS_IMAGE_NAME"
 FOCAL_OS_IMAGE="$WORKLOADS_DIR/$FOCAL_OS_IMAGE_NAME"
 if [ ! -f "$FOCAL_OS_IMAGE" ]; then
     pushd $WORKLOADS_DIR

scripts/run_integration_tests_rate_limiter.sh

@@ -19,7 +19,7 @@ fi
 cp scripts/sha1sums-x86_64 $WORKLOADS_DIR
 
 FOCAL_OS_IMAGE_NAME="focal-server-cloudimg-amd64-custom-20210609-0.qcow2"
-FOCAL_OS_IMAGE_URL="https://ch-images.azureedge.net/$FOCAL_OS_IMAGE_NAME"
+FOCAL_OS_IMAGE_URL="https://cloud-hypervisor.azureedge.net/$FOCAL_OS_IMAGE_NAME"
 FOCAL_OS_IMAGE="$WORKLOADS_DIR/$FOCAL_OS_IMAGE_NAME"
 if [ ! -f "$FOCAL_OS_IMAGE" ]; then
     pushd $WORKLOADS_DIR

scripts/run_integration_tests_sgx.sh

@@ -14,10 +14,15 @@ fi
 WORKLOADS_DIR="$HOME/workloads"
 mkdir -p "$WORKLOADS_DIR"
 
-download_hypervisor_fw
+FW_URL=$(curl --silent https://api.github.com/repos/cloud-hypervisor/rust-hypervisor-firmware/releases/latest | grep "browser_download_url" | grep -o 'https://.*[^ "]')
+FW="$WORKLOADS_DIR/hypervisor-fw"
+pushd $WORKLOADS_DIR
+rm -f $FW
+time wget --quiet $FW_URL || exit 1
+popd
 
 JAMMY_OS_IMAGE_NAME="jammy-server-cloudimg-amd64-custom-20230119-0.qcow2"
-JAMMY_OS_IMAGE_URL="https://ch-images.azureedge.net/$JAMMY_OS_IMAGE_NAME"
+JAMMY_OS_IMAGE_URL="https://cloud-hypervisor.azureedge.net/$JAMMY_OS_IMAGE_NAME"
 JAMMY_OS_IMAGE="$WORKLOADS_DIR/$JAMMY_OS_IMAGE_NAME"
 if [ ! -f "$JAMMY_OS_IMAGE" ]; then
     pushd $WORKLOADS_DIR

scripts/run_integration_tests_vfio.sh

@@ -14,7 +14,11 @@ process_common_args "$@"
 
 WORKLOADS_DIR="$HOME/workloads"
 
-download_hypervisor_fw 
+# Always download the latest "hypervisor-fw"
+FW_URL=$(curl --silent https://api.github.com/repos/cloud-hypervisor/rust-hypervisor-firmware/releases/latest | grep "browser_download_url" | grep -o 'https://.*[^ "]')
+pushd $WORKLOADS_DIR
+time wget --quiet $FW_URL -O hypervisor-fw || exit 1
+popd
 
 CFLAGS=""
 if [[ "${BUILD_TARGET}" == "x86_64-unknown-linux-musl" ]]; then

scripts/run_integration_tests_x86_64.sh

@@ -18,7 +18,13 @@ fi
 
 cp scripts/sha1sums-x86_64 $WORKLOADS_DIR
 
-download_hypervisor_fw
+FW_URL=$(curl --silent https://api.github.com/repos/cloud-hypervisor/rust-hypervisor-firmware/releases/latest | grep "browser_download_url" | grep -o 'https://.*[^ "]')
+FW="$WORKLOADS_DIR/hypervisor-fw"
+if [ ! -f "$FW" ]; then
+    pushd $WORKLOADS_DIR
+    time wget --quiet $FW_URL || exit 1
+    popd
+fi
 
 OVMF_FW_URL=$(curl --silent https://api.github.com/repos/cloud-hypervisor/edk2/releases/latest | grep "browser_download_url" | grep -o 'https://.*[^ "]')
 OVMF_FW="$WORKLOADS_DIR/CLOUDHV.fd"
@@ -29,7 +35,7 @@ if [ ! -f "$OVMF_FW" ]; then
 fi
 
 FOCAL_OS_IMAGE_NAME="focal-server-cloudimg-amd64-custom-20210609-0.qcow2"
-FOCAL_OS_IMAGE_URL="https://ch-images.azureedge.net/$FOCAL_OS_IMAGE_NAME"
+FOCAL_OS_IMAGE_URL="https://cloud-hypervisor.azureedge.net/$FOCAL_OS_IMAGE_NAME"
 FOCAL_OS_IMAGE="$WORKLOADS_DIR/$FOCAL_OS_IMAGE_NAME"
 if [ ! -f "$FOCAL_OS_IMAGE" ]; then
     pushd $WORKLOADS_DIR
@@ -54,7 +60,7 @@ if [ ! -f "$FOCAL_OS_QCOW_BACKING_FILE_IMAGE" ]; then
 fi
 
 JAMMY_OS_IMAGE_NAME="jammy-server-cloudimg-amd64-custom-20230119-0.qcow2"
-JAMMY_OS_IMAGE_URL="https://ch-images.azureedge.net/$JAMMY_OS_IMAGE_NAME"
+JAMMY_OS_IMAGE_URL="https://cloud-hypervisor.azureedge.net/$JAMMY_OS_IMAGE_NAME"
 JAMMY_OS_IMAGE="$WORKLOADS_DIR/$JAMMY_OS_IMAGE_NAME"
 if [ ! -f "$JAMMY_OS_IMAGE" ]; then
     pushd $WORKLOADS_DIR

scripts/run_metrics.sh

@@ -34,7 +34,7 @@ else
      FOCAL_OS_IMAGE_NAME="focal-server-cloudimg-amd64-custom-20210609-0.qcow2"
 fi
 
-FOCAL_OS_IMAGE_URL="https://ch-images.azureedge.net/$FOCAL_OS_IMAGE_NAME"
+FOCAL_OS_IMAGE_URL="https://cloud-hypervisor.azureedge.net/$FOCAL_OS_IMAGE_NAME"
 FOCAL_OS_IMAGE="$WORKLOADS_DIR/$FOCAL_OS_IMAGE_NAME"
 if [ ! -f "$FOCAL_OS_IMAGE" ]; then
     pushd $WORKLOADS_DIR

scripts/sha1sums-aarch64

@@ -1,3 +1,6 @@
+6fee67adbfed8db7a225be23ee9d90b5bd7f19e6  bionic-server-cloudimg-arm64.img
+786fe1c33588334e92b35c65e414da068df180bc  bionic-server-cloudimg-arm64.raw
+6e66f9f4b01adc72c884c1c1111e60afadc9c871  bionic-server-cloudimg-arm64.qcow2
 e4addb6e212a298144f9eb0eb6e36019d013f0e7  alpine-minirootfs-aarch64.tar.gz
 25b4f9ac308898d63b73d7db0e0e2d4768853723  focal-server-cloudimg-arm64-custom-20210929-0.qcow2
 9953b31bb1923cdd8d91b1b7cc9ad3a9be1e0a59  focal-server-cloudimg-arm64-custom-20210929-0.raw

scripts/test-util.sh

@@ -107,20 +107,3 @@ process_common_args() {
 
     test_binary_args=($@)
 }
-
-download_hypervisor_fw() {
-    if [ -n "$AUTH_DOWNLOAD_TOKEN" ]; then
-        echo "Using authenticated download from GitHub"
-        FW_URL=$(curl --silent https://api.github.com/repos/cloud-hypervisor/rust-hypervisor-firmware/releases/latest \
-                 --header "Authorization: Token $AUTH_DOWNLOAD_TOKEN" \
-                 --header "X-GitHub-Api-Version: 2022-11-28" | grep "browser_download_url" | grep -o 'https://.*[^ "]')
-    else
-        echo "Using anonymous download from GitHub"
-        FW_URL=$(curl --silent https://api.github.com/repos/cloud-hypervisor/rust-hypervisor-firmware/releases/latest | grep "browser_download_url" | grep -o 'https://.*[^ "]')
-    fi
-    FW="$WORKLOADS_DIR/hypervisor-fw"
-    pushd $WORKLOADS_DIR
-    rm -f $FW
-    time wget --quiet $FW_URL || exit 1
-    popd
-}

src/main.rs

@@ -443,14 +443,7 @@ fn create_app(default_vcpus: String, default_memory: String, default_rng: String
                 .num_args(0)
                 .group("vmm-config"),
         );
-    #[cfg(feature = "igvm")]
-    let app = app.arg(
-        Arg::new("igvm")
-            .long("igvm")
-            .help("Path to IGVM file to load.")
-            .num_args(1)
-            .group("vm-config"),
-    );
+
     app.arg(
         Arg::new("version")
             .short('V')
@@ -605,7 +598,6 @@ fn start_vmm(cmd_arguments: ArgMatches) -> Result<Option<String>, Error> {
                     std::fs::OpenOptions::new()
                         .write(true)
                         .create(true)
-                        .truncate(true)
                         .open(parser.get("path").unwrap())
                         .map_err(Error::EventMonitorIo)?,
                 ))

test_infra/Cargo.toml

@@ -12,5 +12,5 @@ once_cell = "1.18.0"
 serde = { version = "1.0.168", features = ["rc", "derive"] }
 serde_json = "1.0.107"
 ssh2 = { version = "0.9.4", features = ["vendored-openssl"] }
-vmm-sys-util = "0.12.1"
+vmm-sys-util = "0.11.0"
 wait-timeout = "0.2.0"

test_infra/src/lib.rs

@@ -149,13 +149,13 @@ impl GuestNetworkConfig {
             Err(e) => {
                 let duration = start.elapsed();
                 eprintln!(
-                    "\n\n==== Start 'wait_vm_boot' (FAILED) ==== \
-                    \n\nduration =\"{duration:?}, timeout = {timeout}s\" \
-                    \nlisten_addr=\"{listen_addr}\" \
-                    \nexpected_guest_addr=\"{expected_guest_addr}\" \
-                    \nmessage=\"{s}\" \
-                    \nerror=\"{e:?}\" \
-                    \n\n==== End 'wait_vm_boot' outout ====\n\n"
+                    "\n\n==== Start 'wait_vm_boot' (FAILED) ====\n\n\
+                 duration =\"{duration:?}, timeout = {timeout}s\"\n\
+                 listen_addr=\"{listen_addr}\"\n\
+                 expected_guest_addr=\"{expected_guest_addr}\"\n\
+                 message=\"{s}\"\n\
+                 error=\"{e:?}\"\n\
+                 \n==== End 'wait_vm_boot' outout ====\n\n"
                 );
 
                 Err(e)
@@ -724,77 +724,18 @@ pub fn ssh_command_ip(
     )
 }
 
-pub fn exec_host_command_with_retries(command: &str, retries: u32, interval: Duration) -> bool {
-    for _ in 0..retries {
-        let s = exec_host_command_output(command).status;
-        if !s.success() {
-            eprintln!("\n\n==== retrying in {:?} ===\n\n", interval);
-            thread::sleep(interval);
-        } else {
-            return true;
-        }
-    }
-
-    false
-}
-
 pub fn exec_host_command_status(command: &str) -> ExitStatus {
-    exec_host_command_output(command).status
+    std::process::Command::new("bash")
+        .args(["-c", command])
+        .status()
+        .unwrap_or_else(|_| panic!("Expected '{command}' to run"))
 }
 
 pub fn exec_host_command_output(command: &str) -> Output {
-    let output = std::process::Command::new("bash")
+    std::process::Command::new("bash")
         .args(["-c", command])
         .output()
-        .unwrap_or_else(|e| panic!("Expected '{command}' to run. Error: {:?}", e));
-
-    if !output.status.success() {
-        let stdout = String::from_utf8_lossy(&output.stdout);
-        let stderr = String::from_utf8_lossy(&output.stderr);
-        eprintln!(
-            "\n\n==== Start 'exec_host_command' failed ==== \
-            \n\n---stdout---\n{stdout}\n---stderr---{stderr} \
-            \n\n==== End 'exec_host_command' failed ====",
-        );
-    }
-
-    output
-}
-
-pub fn check_lines_count(input: &str, line_count: usize) -> bool {
-    if input.lines().count() == line_count {
-        true
-    } else {
-        eprintln!(
-            "\n\n==== Start 'check_lines_count' failed ==== \
-            \n\ninput = {input}\nline_count = {line_count} \
-            \n\n==== End 'check_lines_count' failed ====",
-        );
-
-        false
-    }
-}
-
-pub fn check_matched_lines_count(input: &str, keywords: Vec<&str>, line_count: usize) -> bool {
-    let mut matches = String::new();
-    for line in input.lines() {
-        if keywords.iter().all(|k| line.contains(k)) {
-            matches += line;
-        }
-    }
-
-    if matches.lines().count() == line_count {
-        true
-    } else {
-        eprintln!(
-            "\n\n==== Start 'check_matched_lines_count' failed ==== \
-            \nkeywords = {keywords:?}, line_count = {line_count} \
-            \n\ninput = {input} matches = {matches} \
-            \n\n==== End 'check_matched_lines_count' failed ====",
-        );
-
-        false
-    }
+        .unwrap_or_else(|_| panic!("Expected '{command}' to run"))
 }
 
 pub const PIPE_SIZE: i32 = 32 << 20;
@@ -1402,7 +1343,7 @@ pub fn parse_iperf3_output(output: &[u8], sender: bool, bandwidth: bool) -> Resu
     })
     .map_err(|_| {
         eprintln!(
-            "==== Start iperf3 output ===\n\n{}\n\n=== End iperf3 output ===\n\n",
+            "=============== iperf3 output ===============\n\n{}\n\n===========end============\n\n",
             String::from_utf8_lossy(output)
         );
         Error::Iperf3Parse
@@ -1480,7 +1421,9 @@ pub fn parse_fio_output(output: &str, fio_ops: &FioOps, num_jobs: u32) -> Result
         total_bps
     })
     .map_err(|_| {
-        eprintln!("=== Start Fio output ===\n\n{output}\n\n=== End Fio output ===\n\n");
+        eprintln!(
+            "=============== Fio output ===============\n\n{output}\n\n===========end============\n\n"
+        );
         Error::FioOutputParse
     })
 }
@@ -1533,7 +1476,9 @@ pub fn parse_fio_output_iops(output: &str, fio_ops: &FioOps, num_jobs: u32) -> R
         total_iops
     })
     .map_err(|_| {
-        eprintln!("=== Start Fio output ===\n\n{output}\n\n=== End Fio output ===\n\n");
+        eprintln!(
+            "=============== Fio output ===============\n\n{output}\n\n===========end============\n\n"
+        );
         Error::FioOutputParse
     })
 }
@@ -1666,7 +1611,7 @@ pub fn parse_ethr_latency_output(output: &[u8]) -> Result<Vec<f64>, Error> {
     })
     .map_err(|_| {
         eprintln!(
-            "=== Start ethr output ===\n\n{}\n\n=== End ethr output ===\n\n",
+            "=============== ethr output ===============\n\n{}\n\n===========end============\n\n",
             String::from_utf8_lossy(output)
         );
         Error::EthrLogParse

tests/integration.rs

@@ -53,6 +53,7 @@ use x86_64::*;
 
 #[cfg(target_arch = "aarch64")]
 mod aarch64 {
+    pub const BIONIC_IMAGE_NAME: &str = "bionic-server-cloudimg-arm64.raw";
     pub const FOCAL_IMAGE_NAME: &str = "focal-server-cloudimg-arm64-custom-20210929-0.raw";
     pub const FOCAL_IMAGE_UPDATE_KERNEL_NAME: &str =
         "focal-server-cloudimg-arm64-custom-20210929-0-update-kernel.raw";
@@ -686,8 +687,6 @@ fn resize_command(
                 device_id: None,
             },
         ];
-        // See: #5938
-        thread::sleep(std::time::Duration::new(1, 0));
         assert!(check_latest_events_exact(&latest_events, event_path));
     }
 
@@ -859,7 +858,6 @@ fn fw_path(_fw_type: FwType) -> String {
     fw_path.to_str().unwrap().to_string()
 }
 
-#[derive(Debug)]
 struct MetaEvent {
     event: String,
     device_id: Option<String>,
@@ -912,18 +910,7 @@ fn check_sequential_events(expected_events: &[&MetaEvent], event_file: &str) ->
         }
     }
 
-    let ret = idx == len;
-
-    if !ret {
-        eprintln!(
-            "\n\n==== Start 'check_sequential_events' failed ==== \
-             \n\nexpected_events={:?}\nactual_events={:?} \
-             \n\n==== End 'check_sequential_events' failed ====",
-            expected_events, json_events,
-        );
-    }
-
-    ret
+    idx == len
 }
 
 // Return true if all events from the input 'expected_events' are matched exactly
@@ -935,13 +922,6 @@ fn check_sequential_events_exact(expected_events: &[&MetaEvent], event_file: &st
 
     for (idx, e) in json_events.iter().enumerate() {
         if !expected_events[idx].match_with_json_event(e) {
-            eprintln!(
-                "\n\n==== Start 'check_sequential_events_exact' failed ==== \
-                 \n\nexpected_events={:?}\nactual_events={:?} \
-                 \n\n==== End 'check_sequential_events_exact' failed ====",
-                expected_events, json_events,
-            );
-
             return false;
         }
     }
@@ -958,13 +938,6 @@ fn check_latest_events_exact(latest_events: &[&MetaEvent], event_file: &str) ->
 
     for (idx, e) in json_events.iter().enumerate() {
         if !latest_events[idx].match_with_json_event(e) {
-            eprintln!(
-                "\n\n==== Start 'check_latest_events_exact' failed ==== \
-                 \n\nexpected_events={:?}\nactual_events={:?} \
-                 \n\n==== End 'check_latest_events_exact' failed ====",
-                latest_events, json_events,
-            );
-
             return false;
         }
     }
@@ -1034,40 +1007,6 @@ fn test_cpu_topology(threads_per_core: u8, cores_per_package: u8, packages: u8,
                 .unwrap_or(0),
             packages
         );
-
-        #[cfg(target_arch = "x86_64")]
-        {
-            let mut cpu_id = 0;
-            for package_id in 0..packages {
-                for core_id in 0..cores_per_package {
-                    for _ in 0..threads_per_core {
-                        assert_eq!(
-                            guest
-                                .ssh_command(&format!("cat /sys/devices/system/cpu/cpu{cpu_id}/topology/physical_package_id"))
-                                .unwrap()
-                                .trim()
-                                .parse::<u8>()
-                                .unwrap_or(0),
-                            package_id
-                        );
-
-                        assert_eq!(
-                            guest
-                                .ssh_command(&format!(
-                                    "cat /sys/devices/system/cpu/cpu{cpu_id}/topology/core_id"
-                                ))
-                                .unwrap()
-                                .trim()
-                                .parse::<u8>()
-                                .unwrap_or(0),
-                            core_id
-                        );
-
-                        cpu_id += 1;
-                    }
-                }
-            }
-        }
     });
 
     let _ = child.kill();
@@ -2118,7 +2057,7 @@ fn pty_read(mut pty: std::fs::File) -> Receiver<String> {
         thread::sleep(std::time::Duration::new(1, 0));
         let mut buf = [0; 512];
         match pty.read(&mut buf) {
-            Ok(_bytes) => {
+            Ok(_) => {
                 let output = std::str::from_utf8(&buf).unwrap().to_string();
                 match tx.send(output) {
                     Ok(_) => (),
@@ -4161,12 +4100,7 @@ mod common_parallel {
 
         let r = std::panic::catch_unwind(|| {
             // Check that the cloud-hypervisor binary actually terminated
-            if !output.status.success() {
-                panic!(
-                    "Cloud Hypervisor process failed to terminate gracefully: {:?}",
-                    output.status
-                );
-            }
+            assert!(output.status.success())
         });
         handle_child_output(r, &output);
     }
@@ -4387,35 +4321,49 @@ mod common_parallel {
             // Let's ssh into it and verify that it's there. If it is it means
             // we're in the right guest (The L2 one) because the QEMU L1 guest
             // does not have this command line tag.
-            assert!(check_matched_lines_count(
-                guest.ssh_command_l2_1("cat /proc/cmdline").unwrap().trim(),
-                vec!["VFIOTAG"],
+            assert_eq!(
+                guest
+                    .ssh_command_l2_1("grep -c VFIOTAG /proc/cmdline")
+                    .unwrap()
+                    .trim()
+                    .parse::<u32>()
+                    .unwrap_or_default(),
                 1
-            ));
+            );
 
             // Let's also verify from the second virtio-net device passed to
             // the L2 VM.
-            assert!(check_matched_lines_count(
-                guest.ssh_command_l2_2("cat /proc/cmdline").unwrap().trim(),
-                vec!["VFIOTAG"],
+            assert_eq!(
+                guest
+                    .ssh_command_l2_2("grep -c VFIOTAG /proc/cmdline")
+                    .unwrap()
+                    .trim()
+                    .parse::<u32>()
+                    .unwrap_or_default(),
                 1
-            ));
+            );
 
             // Check the amount of PCI devices appearing in L2 VM.
-            assert!(check_lines_count(
+            assert_eq!(
                 guest
-                    .ssh_command_l2_1("ls /sys/bus/pci/devices")
+                    .ssh_command_l2_1("ls /sys/bus/pci/devices | wc -l")
                     .unwrap()
-                    .trim(),
-                8
-            ));
+                    .trim()
+                    .parse::<u32>()
+                    .unwrap_or_default(),
+                8,
+            );
 
             // Check both if /dev/vdc exists and if the block size is 16M in L2 VM
-            assert!(check_matched_lines_count(
-                guest.ssh_command_l2_1("lsblk").unwrap().trim(),
-                vec!["vdc", "16M"],
+            assert_eq!(
+                guest
+                    .ssh_command_l2_1("lsblk | grep vdc | grep -c 16M")
+                    .unwrap()
+                    .trim()
+                    .parse::<u32>()
+                    .unwrap_or_default(),
                 1
-            ));
+            );
 
             // Hotplug an extra virtio-net device through L2 VM.
             guest
@@ -4433,33 +4381,35 @@ mod common_parallel {
                  add-device path=/sys/bus/pci/devices/0000:00:09.0,id=vfio123",
                 )
                 .unwrap();
-            assert!(check_matched_lines_count(
-                vfio_hotplug_output.trim(),
-                vec!["{\"id\":\"vfio123\",\"bdf\":\"0000:00:08.0\"}"],
-                1
-            ));
+            assert!(vfio_hotplug_output.contains("{\"id\":\"vfio123\",\"bdf\":\"0000:00:08.0\"}"));
 
             thread::sleep(std::time::Duration::new(10, 0));
 
             // Let's also verify from the third virtio-net device passed to
             // the L2 VM. This third device has been hotplugged through the L2
             // VM, so this is our way to validate hotplug works for VFIO PCI.
-            assert!(check_matched_lines_count(
-                guest.ssh_command_l2_3("cat /proc/cmdline").unwrap().trim(),
-                vec!["VFIOTAG"],
+            assert_eq!(
+                guest
+                    .ssh_command_l2_3("grep -c VFIOTAG /proc/cmdline")
+                    .unwrap()
+                    .trim()
+                    .parse::<u32>()
+                    .unwrap_or_default(),
                 1
-            ));
+            );
 
             // Check the amount of PCI devices appearing in L2 VM.
             // There should be one more device than before, raising the count
             // up to 9 PCI devices.
-            assert!(check_lines_count(
+            assert_eq!(
                 guest
-                    .ssh_command_l2_1("ls /sys/bus/pci/devices")
+                    .ssh_command_l2_1("ls /sys/bus/pci/devices | wc -l")
                     .unwrap()
-                    .trim(),
-                9
-            ));
+                    .trim()
+                    .parse::<u32>()
+                    .unwrap_or_default(),
+                9,
+            );
 
             // Let's now verify that we can correctly remove the virtio-net
             // device through the "remove-device" command responsible for
@@ -4475,13 +4425,15 @@ mod common_parallel {
 
             // Check the amount of PCI devices appearing in L2 VM is back down
             // to 8 devices.
-            assert!(check_lines_count(
+            assert_eq!(
                 guest
-                    .ssh_command_l2_1("ls /sys/bus/pci/devices")
+                    .ssh_command_l2_1("ls /sys/bus/pci/devices | wc -l")
                     .unwrap()
-                    .trim(),
-                8
-            ));
+                    .trim()
+                    .parse::<u32>()
+                    .unwrap_or_default(),
+                8,
+            );
 
             // Perform memory hotplug in L2 and validate the memory is showing
             // up as expected. In order to check, we will use the virtio-net
@@ -5841,7 +5793,7 @@ mod common_parallel {
         #[cfg(target_arch = "x86_64")]
         let mut kernels = vec![direct_kernel_boot_path()];
         #[cfg(target_arch = "aarch64")]
-        let kernels = [direct_kernel_boot_path()];
+        let kernels = vec![direct_kernel_boot_path()];
 
         #[cfg(target_arch = "x86_64")]
         {
@@ -6000,8 +5952,6 @@ mod common_parallel {
                     event: "device-removed".to_string(),
                     device_id: Some(net_id.to_string()),
                 }];
-                // See: #5938
-                thread::sleep(std::time::Duration::new(1, 0));
                 assert!(check_latest_events_exact(&latest_events, &event_path));
 
                 // Plug the virtio-net device again
@@ -6025,8 +5975,6 @@ mod common_parallel {
                     device_id: None,
                 },
             ];
-            // See: #5938
-            thread::sleep(std::time::Duration::new(1, 0));
             assert!(check_latest_events_exact(&latest_events, &event_path));
 
             // Take a snapshot from the VM
@@ -6049,8 +5997,6 @@ mod common_parallel {
                     device_id: None,
                 },
             ];
-            // See: #5938
-            thread::sleep(std::time::Duration::new(1, 0));
             assert!(check_latest_events_exact(&latest_events, &event_path));
         });
 
@@ -6091,7 +6037,7 @@ mod common_parallel {
             .unwrap();
 
         // Wait for the VM to be restored
-        thread::sleep(std::time::Duration::new(20, 0));
+        thread::sleep(std::time::Duration::new(10, 0));
         let expected_events = [
             &MetaEvent {
                 event: "starting".to_string(),
@@ -6126,12 +6072,6 @@ mod common_parallel {
         let r = std::panic::catch_unwind(|| {
             // Resume the VM
             assert!(remote_command(&api_socket_restored, "resume", None));
-            // There is no way that we can ensure the 'write()' to the
-            // event file is completed when the 'resume' request is
-            // returned successfully, because the 'write()' was done
-            // asynchronously from a different thread of Cloud
-            // Hypervisor (e.g. the event-monitor thread).
-            thread::sleep(std::time::Duration::new(1, 0));
             let latest_events = [
                 &MetaEvent {
                     event: "resuming".to_string(),
@@ -6311,7 +6251,6 @@ mod common_parallel {
         let api_socket = temp_api_path(&guest.tmp_dir);
 
         let kernel_path = direct_kernel_boot_path();
-        let event_path = temp_event_monitor_path(&guest.tmp_dir);
 
         let mut cmd = GuestCommand::new(&guest);
         cmd.args(["--cpus", "boot=1"])
@@ -6322,7 +6261,6 @@ mod common_parallel {
             .args(["--net", guest.default_net_string().as_str()])
             .args(["--watchdog"])
             .args(["--api-socket", &api_socket])
-            .args(["--event-monitor", format!("path={event_path}").as_str()])
             .capture_output();
 
         let mut child = cmd.spawn().unwrap();
@@ -6367,17 +6305,7 @@ mod common_parallel {
             {
                 // Now pause the VM and remain offline for 30s
                 assert!(remote_command(&api_socket, "pause", None));
-                let latest_events = [
-                    &MetaEvent {
-                        event: "pausing".to_string(),
-                        device_id: None,
-                    },
-                    &MetaEvent {
-                        event: "paused".to_string(),
-                        device_id: None,
-                    },
-                ];
-                assert!(check_latest_events_exact(&latest_events, &event_path));
+                thread::sleep(std::time::Duration::new(30, 0));
                 assert!(remote_command(&api_socket, "resume", None));
 
                 // Check no reboot
@@ -6809,11 +6737,10 @@ mod common_parallel {
             .unwrap();
         thread::sleep(std::time::Duration::new(2, 0));
 
-        assert!(exec_host_command_with_retries(
-            "/usr/local/bin/spdk-nvme/rpc.py nvmf_create_transport -t VFIOUSER",
-            3,
-            std::time::Duration::new(5, 0),
-        ));
+        assert!(exec_host_command_status(
+            "/usr/local/bin/spdk-nvme/rpc.py nvmf_create_transport -t VFIOUSER"
+        )
+        .success());
         assert!(exec_host_command_status(&format!(
             "/usr/local/bin/spdk-nvme/rpc.py bdev_aio_create {} test 512",
             nvme_dir.join("test-disk.raw").to_str().unwrap()
@@ -6928,7 +6855,9 @@ mod common_parallel {
     #[cfg(target_arch = "x86_64")]
     fn test_vdpa_block() {
         // Before trying to run the test, verify the vdpa_sim_blk module is correctly loaded.
-        assert!(exec_host_command_status("lsmod | grep vdpa_sim_blk").success());
+        if !exec_host_command_status("lsmod | grep vdpa_sim_blk").success() {
+            return;
+        }
 
         let focal = UbuntuDiskConfig::new(FOCAL_IMAGE_NAME.to_string());
         let guest = Guest::new(Box::new(focal));
@@ -7167,58 +7096,6 @@ mod common_parallel {
 
         handle_child_output(r, &output);
     }
-
-    #[test]
-    #[cfg(target_arch = "x86_64")]
-    fn test_double_tty() {
-        let focal = UbuntuDiskConfig::new(FOCAL_IMAGE_NAME.to_string());
-        let guest = Guest::new(Box::new(focal));
-        let mut cmd = GuestCommand::new(&guest);
-        let api_socket = temp_api_path(&guest.tmp_dir);
-        let tty_str: &str = "console=hvc0 earlyprintk=ttyS0 ";
-        // linux printk module enable console log.
-        let con_dis_str: &str = "console [hvc0] enabled";
-        // linux printk module disable console log.
-        let con_enb_str: &str = "bootconsole [earlyser0] disabled";
-
-        let kernel_path = direct_kernel_boot_path();
-
-        cmd.args(["--cpus", "boot=1"])
-            .args(["--memory", "size=512M"])
-            .args(["--kernel", kernel_path.to_str().unwrap()])
-            .args([
-                "--cmdline",
-                DIRECT_KERNEL_BOOT_CMDLINE
-                    .replace("console=hvc0 ", tty_str)
-                    .as_str(),
-            ])
-            .capture_output()
-            .default_disks()
-            .default_net()
-            .args(["--serial", "tty"])
-            .args(["--console", "tty"])
-            .args(["--api-socket", &api_socket]);
-
-        let mut child = cmd.spawn().unwrap();
-
-        let mut r = std::panic::catch_unwind(|| {
-            guest.wait_vm_boot(None).unwrap();
-        });
-
-        let _ = child.kill();
-        let output = child.wait_with_output().unwrap();
-
-        if r.is_ok() {
-            r = std::panic::catch_unwind(|| {
-                let s = String::from_utf8_lossy(&output.stdout);
-                assert!(s.contains(tty_str));
-                assert!(s.contains(con_dis_str));
-                assert!(s.contains(con_enb_str));
-            });
-        }
-
-        handle_child_output(r, &output);
-    }
 }
 
 mod dbus_api {
@@ -8575,13 +8452,8 @@ mod live_migration {
         if !send_success {
             let _ = send_migration.kill();
             let output = send_migration.wait_with_output().unwrap();
-            eprintln!(
-                "\n\n==== Start 'send_migration' output ==== \
-                \n\n---stdout---\n{}\n\n---stderr---\n{} \
-                \n\n==== End 'send_migration' output ====\n\n",
-                String::from_utf8_lossy(&output.stdout),
-                String::from_utf8_lossy(&output.stderr)
-            );
+            eprintln!("\n\n==== Start 'send_migration' output ====\n\n---stdout---\n{}\n\n---stderr---\n{}\n\n==== End 'send_migration' output ====\n\n",
+                    String::from_utf8_lossy(&output.stdout), String::from_utf8_lossy(&output.stderr));
         }
 
         // The 'receive-migration' command should be executed successfully within the given timeout
@@ -8597,13 +8469,8 @@ mod live_migration {
         if !receive_success {
             let _ = receive_migration.kill();
             let output = receive_migration.wait_with_output().unwrap();
-            eprintln!(
-                "\n\n==== Start 'receive_migration' output ==== \
-                \n\n---stdout---\n{}\n\n---stderr---\n{} \
-                \n\n==== End 'receive_migration' output ====\n\n",
-                String::from_utf8_lossy(&output.stdout),
-                String::from_utf8_lossy(&output.stderr)
-            );
+            eprintln!("\n\n==== Start 'receive_migration' output ====\n\n---stdout---\n{}\n\n---stderr---\n{}\n\n==== End 'receive_migration' output ====\n\n",
+                    String::from_utf8_lossy(&output.stdout), String::from_utf8_lossy(&output.stderr));
         }
 
         send_success && receive_success
@@ -9606,7 +9473,6 @@ mod live_migration {
         }
 
         #[test]
-        #[cfg(target_arch = "aarch64")] // see: #6272
         #[cfg(not(feature = "mshv"))]
         fn test_live_upgrade_numa() {
             _test_live_migration_numa(true, false)
@@ -9669,7 +9535,6 @@ mod live_migration {
         }
 
         #[test]
-        #[ignore = "See #5532"]
         #[cfg(target_arch = "x86_64")]
         #[cfg(not(feature = "mshv"))]
         fn test_live_upgrade_ovs_dpdk_local() {
@@ -9760,9 +9625,7 @@ mod rate_limiter {
         }
 
         eprintln!(
-            "\n\n==== Start 'check_rate_limit' failed ==== \
-            \n\nmeasured={measured}, , lower_limit={lower_limit}, upper_limit={upper_limit} \
-            \n\n==== End 'check_rate_limit' failed ====\n\n"
+            "\n\n==== check_rate_limit failed! ====\n\nmeasured={measured}, , lower_limit={lower_limit}, upper_limit={upper_limit}\n\n"
         );
 
         false

tpm/Cargo.toml

@@ -12,4 +12,4 @@ libc = "0.2.138"
 log = "0.4.17"
 net_gen = { path = "../net_gen" }
 thiserror = "1.0.37"
-vmm-sys-util = "0.12.1"
+vmm-sys-util = "0.11.0"

tracer/Cargo.toml

@@ -6,7 +6,7 @@ edition = "2021"
 
 [dependencies]
 libc = "0.2.147"
-log = "0.4.20"
+log = "0.4.17"
 once_cell = "1.18.0"
 serde = { version = "1.0.168", features = ["rc", "derive"] }
 serde_json = "1.0.107"

vhost_user_block/Cargo.toml

@@ -6,16 +6,17 @@ edition = "2021"
 build = "../build.rs"
 
 [dependencies]
-clap = { version = "4.4.7", features = ["wrap_help","cargo"] }
+clap = { version = "4.3.11", features = ["wrap_help","cargo"] }
 block = { path = "../block" }
 env_logger = "0.10.0"
 epoll = "4.3.3"
 libc = "0.2.147"
-log = "0.4.20"
+log = "0.4.17"
 option_parser = { path = "../option_parser" }
-vhost = { version = "0.10.0", features = ["vhost-user-backend"] }
-vhost-user-backend = "0.13.1"
+vhost = { version = "0.8.1", features = ["vhost-user-slave"] }
+vhost-user-backend = "0.10.1"
 virtio-bindings = "0.2.0"
-virtio-queue = "0.11.0"
-vm-memory = "0.14.0"
-vmm-sys-util = "0.12.1"
+virtio-queue = "0.9.0"
+vm-memory = "0.12.2"
+vmm-sys-util = "0.11.0"
+

vhost_user_block/src/lib.rs

@@ -58,7 +58,6 @@ impl<D: Read + Seek + Write + Send> DiskFile for D {}
 type Result<T> = std::result::Result<T, Error>;
 type VhostUserBackendResult<T> = std::result::Result<T, std::io::Error>;
 
-#[allow(dead_code)]
 #[derive(Debug)]
 enum Error {
     /// Failed to create kill eventfd
@@ -300,10 +299,9 @@ impl VhostUserBlkBackend {
     }
 }
 
-impl VhostUserBackendMut for VhostUserBlkBackend {
-    type Bitmap = AtomicBitmap;
-    type Vring = VringRwLock<GuestMemoryAtomic<GuestMemoryMmap>>;
-
+impl VhostUserBackendMut<VringRwLock<GuestMemoryAtomic<GuestMemoryMmap>>, AtomicBitmap>
+    for VhostUserBlkBackend
+{
     fn num_queues(&self) -> usize {
         self.config.num_queues as usize
     }
@@ -352,7 +350,7 @@ impl VhostUserBackendMut for VhostUserBlkBackend {
         evset: EventSet,
         vrings: &[VringRwLock<GuestMemoryAtomic<GuestMemoryMmap>>],
         thread_id: usize,
-    ) -> VhostUserBackendResult<()> {
+    ) -> VhostUserBackendResult<bool> {
         if evset != EventSet::IN {
             return Err(Error::HandleEventNotEpollIn.into());
         }
@@ -396,7 +394,7 @@ impl VhostUserBackendMut for VhostUserBlkBackend {
                     thread.process_queue(&mut vring);
                 }
 
-                Ok(())
+                Ok(false)
             }
             _ => Err(Error::HandleEventUnknownEvent.into()),
         }

vhost_user_net/Cargo.toml

@@ -6,15 +6,16 @@ edition = "2021"
 build = "../build.rs"
 
 [dependencies]
-clap = { version = "4.4.7", features = ["wrap_help","cargo"] }
+clap = { version = "4.3.11", features = ["wrap_help","cargo"] }
 env_logger = "0.10.0"
 epoll = "4.3.3"
 libc = "0.2.147"
-log = "0.4.20"
+log = "0.4.17"
 net_util = { path = "../net_util" }
 option_parser = { path = "../option_parser" }
-vhost = { version = "0.10.0", features = ["vhost-user-backend"] }
-vhost-user-backend = "0.13.1"
+vhost = { version = "0.8.1", features = ["vhost-user-slave"] }
+vhost-user-backend = "0.10.1"
 virtio-bindings = "0.2.0"
-vm-memory = "0.14.0"
-vmm-sys-util = "0.12.1"
+vm-memory = "0.12.2"
+vmm-sys-util = "0.11.0"
+

vhost_user_net/src/lib.rs

@@ -158,10 +158,9 @@ impl VhostUserNetBackend {
     }
 }
 
-impl VhostUserBackendMut for VhostUserNetBackend {
-    type Bitmap = AtomicBitmap;
-    type Vring = VringRwLock<GuestMemoryAtomic<GuestMemoryMmap>>;
-
+impl VhostUserBackendMut<VringRwLock<GuestMemoryAtomic<GuestMemoryMmap>>, AtomicBitmap>
+    for VhostUserNetBackend
+{
     fn num_queues(&self) -> usize {
         self.num_queues
     }
@@ -204,7 +203,7 @@ impl VhostUserBackendMut for VhostUserNetBackend {
         _evset: EventSet,
         vrings: &[VringRwLock<GuestMemoryAtomic<GuestMemoryMmap>>],
         thread_id: usize,
-    ) -> VhostUserBackendResult<()> {
+    ) -> VhostUserBackendResult<bool> {
         let mut thread = self.threads[thread_id].lock().unwrap();
         match device_event {
             0 => {
@@ -246,7 +245,7 @@ impl VhostUserBackendMut for VhostUserNetBackend {
             _ => return Err(Error::HandleEventUnknownEvent.into()),
         }
 
-        Ok(())
+        Ok(false)
     }
 
     fn exit_event(&self, thread_index: usize) -> Option<EventFd> {

virtio-devices/Cargo.toml

@@ -15,7 +15,7 @@ byteorder = "1.4.3"
 epoll = "4.3.3"
 event_monitor = { path = "../event_monitor" }
 libc = "0.2.147"
-log = "0.4.20"
+log = "0.4.17"
 net_gen = { path = "../net_gen" }
 net_util = { path = "../net_util" }
 pci = { path = "../pci" }
@@ -24,15 +24,15 @@ seccompiler = "0.4.0"
 serde = { version = "1.0.168", features = ["derive"] }
 serde_json = "1.0.107"
 serial_buffer = { path = "../serial_buffer" }
-thiserror = "1.0.52"
-versionize = "0.2.0"
-versionize_derive = "0.1.6"
-vhost = { version = "0.10.0", features = ["vhost-user-frontend", "vhost-user-backend", "vhost-kern", "vhost-vdpa"] }
+thiserror = "1.0.40"
+versionize = "0.1.10"
+versionize_derive = "0.1.4"
+vhost = { version = "0.8.1", features = ["vhost-user-master", "vhost-user-slave", "vhost-kern", "vhost-vdpa"] }
 virtio-bindings = { version = "0.2.0", features = ["virtio-v5_0_0"] }
-virtio-queue = "0.11.0"
+virtio-queue = "0.9.0"
 vm-allocator = { path = "../vm-allocator" }
 vm-device = { path = "../vm-device" }
-vm-memory = { version = "0.14.0", features = ["backend-mmap", "backend-atomic", "backend-bitmap"] }
+vm-memory = { version = "0.12.2", features = ["backend-mmap", "backend-atomic", "backend-bitmap"] }
 vm-migration = { path = "../vm-migration" }
 vm-virtio = { path = "../vm-virtio" }
-vmm-sys-util = "0.12.1"
+vmm-sys-util = "0.11.0"

virtio-devices/src/console.rs

@@ -28,7 +28,7 @@ use thiserror::Error;
 use versionize::{VersionMap, Versionize, VersionizeResult};
 use versionize_derive::Versionize;
 use virtio_queue::{Queue, QueueT};
-use vm_memory::{ByteValued, Bytes, GuestAddressSpace, GuestMemory, GuestMemoryAtomic};
+use vm_memory::{ByteValued, Bytes, GuestAddressSpace, GuestMemoryAtomic};
 use vm_migration::VersionMapped;
 use vm_migration::{Migratable, MigratableError, Pausable, Snapshot, Snapshottable, Transportable};
 use vm_virtio::{AccessPlatform, Translatable};
@@ -59,8 +59,6 @@ enum Error {
     GuestMemoryRead(vm_memory::guest_memory::Error),
     #[error("Failed to write to guest memory: {0}")]
     GuestMemoryWrite(vm_memory::guest_memory::Error),
-    #[error("Failed to write_all output: {0}")]
-    OutputWriteAll(io::Error),
     #[error("Failed to flush output: {0}")]
     OutputFlush(io::Error),
     #[error("Failed to add used index: {0}")]
@@ -266,18 +264,15 @@ impl ConsoleEpollHandler {
         while let Some(mut desc_chain) = trans_queue.pop_descriptor_chain(self.mem.memory()) {
             let desc = desc_chain.next().ok_or(Error::DescriptorChainTooShort)?;
             if let Some(out) = &mut self.out {
-                let mut buf: Vec<u8> = Vec::new();
                 desc_chain
                     .memory()
-                    .write_volatile_to(
+                    .write_to(
                         desc.addr()
                             .translate_gva(self.access_platform.as_ref(), desc.len() as usize),
-                        &mut buf,
+                        out,
                         desc.len() as usize,
                     )
                     .map_err(Error::GuestMemoryRead)?;
-
-                out.write_all(&buf).map_err(Error::OutputWriteAll)?;
                 out.flush().map_err(Error::OutputFlush)?;
             }
             trans_queue

virtio-devices/src/rng.rs

@@ -24,7 +24,7 @@ use thiserror::Error;
 use versionize::{VersionMap, Versionize, VersionizeResult};
 use versionize_derive::Versionize;
 use virtio_queue::{Queue, QueueT};
-use vm_memory::{GuestAddressSpace, GuestMemory, GuestMemoryAtomic};
+use vm_memory::{Bytes, GuestAddressSpace, GuestMemoryAtomic};
 use vm_migration::VersionMapped;
 use vm_migration::{Migratable, MigratableError, Pausable, Snapshot, Snapshottable, Transportable};
 use vm_virtio::{AccessPlatform, Translatable};
@@ -75,7 +75,7 @@ impl RngEpollHandler {
             // Fill the read with data from the random device on the host.
             let len = desc_chain
                 .memory()
-                .read_volatile_from(
+                .read_from(
                     desc.addr()
                         .translate_gva(self.access_platform.as_ref(), desc.len() as usize),
                     &mut self.random_file,

virtio-devices/src/transport/pci_device.rs

@@ -955,9 +955,8 @@ impl PciDevice for VirtioPciDevice {
 
     fn allocate_bars(
         &mut self,
-        _allocator: &Arc<Mutex<SystemAllocator>>,
-        mmio32_allocator: &mut AddressAllocator,
-        mmio64_allocator: &mut AddressAllocator,
+        allocator: &Arc<Mutex<SystemAllocator>>,
+        mmio_allocator: &mut AddressAllocator,
         resources: Option<Vec<Resource>>,
     ) -> std::result::Result<Vec<PciBarConfiguration>, PciDeviceError> {
         let mut bars = Vec::new();
@@ -996,7 +995,7 @@ impl PciDevice for VirtioPciDevice {
         // See http://docs.oasis-open.org/virtio/virtio/v1.0/cs04/virtio-v1.0-cs04.html#x1-740004
         let (virtio_pci_bar_addr, region_type) = if use_64bit_bar {
             let region_type = PciBarRegionType::Memory64BitRegion;
-            let addr = mmio64_allocator
+            let addr = mmio_allocator
                 .allocate(
                     settings_bar_addr,
                     CAPABILITY_BAR_SIZE,
@@ -1006,8 +1005,10 @@ impl PciDevice for VirtioPciDevice {
             (addr, region_type)
         } else {
             let region_type = PciBarRegionType::Memory32BitRegion;
-            let addr = mmio32_allocator
-                .allocate(
+            let addr = allocator
+                .lock()
+                .unwrap()
+                .allocate_mmio_hole_addresses(
                     settings_bar_addr,
                     CAPABILITY_BAR_SIZE,
                     Some(CAPABILITY_BAR_SIZE),
@@ -1077,17 +1078,16 @@ impl PciDevice for VirtioPciDevice {
 
     fn free_bars(
         &mut self,
-        _allocator: &mut SystemAllocator,
-        mmio32_allocator: &mut AddressAllocator,
-        mmio64_allocator: &mut AddressAllocator,
+        allocator: &mut SystemAllocator,
+        mmio_allocator: &mut AddressAllocator,
     ) -> std::result::Result<(), PciDeviceError> {
         for bar in self.bar_regions.drain(..) {
             match bar.region_type() {
                 PciBarRegionType::Memory32BitRegion => {
-                    mmio32_allocator.free(GuestAddress(bar.addr()), bar.size());
+                    allocator.free_mmio_hole_addresses(GuestAddress(bar.addr()), bar.size());
                 }
                 PciBarRegionType::Memory64BitRegion => {
-                    mmio64_allocator.free(GuestAddress(bar.addr()), bar.size());
+                    mmio_allocator.free(GuestAddress(bar.addr()), bar.size());
                 }
                 _ => error!("Unexpected PCI bar type"),
             }

virtio-devices/src/vhost_user/blk.rs

@@ -23,7 +23,7 @@ use vhost::vhost_user::message::{
     VhostUserConfigFlags, VhostUserProtocolFeatures, VhostUserVirtioFeatures,
     VHOST_USER_CONFIG_OFFSET,
 };
-use vhost::vhost_user::{FrontendReqHandler, VhostUserFrontend, VhostUserFrontendReqHandler};
+use vhost::vhost_user::{MasterReqHandler, VhostUserMaster, VhostUserMasterReqHandler};
 use virtio_bindings::virtio_blk::{
     VIRTIO_BLK_F_BLK_SIZE, VIRTIO_BLK_F_CONFIG_WCE, VIRTIO_BLK_F_DISCARD, VIRTIO_BLK_F_FLUSH,
     VIRTIO_BLK_F_GEOMETRY, VIRTIO_BLK_F_MQ, VIRTIO_BLK_F_RO, VIRTIO_BLK_F_SEG_MAX,
@@ -50,8 +50,8 @@ pub struct State {
 
 impl VersionMapped for State {}
 
-struct BackendReqHandler {}
-impl VhostUserFrontendReqHandler for BackendReqHandler {}
+struct SlaveReqHandler {}
+impl VhostUserMasterReqHandler for SlaveReqHandler {}
 
 pub struct Blk {
     common: VirtioCommon,
@@ -294,7 +294,7 @@ impl VirtioDevice for Blk {
         self.common.activate(&queues, &interrupt_cb)?;
         self.guest_memory = Some(mem.clone());
 
-        let backend_req_handler: Option<FrontendReqHandler<BackendReqHandler>> = None;
+        let slave_req_handler: Option<MasterReqHandler<SlaveReqHandler>> = None;
 
         // Run a dedicated thread for handling potential reconnections with
         // the backend.
@@ -305,7 +305,7 @@ impl VirtioDevice for Blk {
             queues,
             interrupt_cb,
             self.common.acked_features,
-            backend_req_handler,
+            slave_req_handler,
             kill_evt,
             pause_evt,
         )?;

virtio-devices/src/vhost_user/fs.rs

@@ -22,11 +22,11 @@ use std::thread;
 use versionize::{VersionMap, Versionize, VersionizeResult};
 use versionize_derive::Versionize;
 use vhost::vhost_user::message::{
-    VhostUserFSBackendMsg, VhostUserFSBackendMsgFlags, VhostUserProtocolFeatures,
-    VhostUserVirtioFeatures, VHOST_USER_FS_BACKEND_ENTRIES,
+    VhostUserFSSlaveMsg, VhostUserFSSlaveMsgFlags, VhostUserProtocolFeatures,
+    VhostUserVirtioFeatures, VHOST_USER_FS_SLAVE_ENTRIES,
 };
 use vhost::vhost_user::{
-    FrontendReqHandler, HandlerResult, VhostUserFrontend, VhostUserFrontendReqHandler,
+    HandlerResult, MasterReqHandler, VhostUserMaster, VhostUserMasterReqHandler,
 };
 use virtio_queue::Queue;
 use vm_memory::{
@@ -48,19 +48,19 @@ pub struct State {
     pub config: VirtioFsConfig,
     pub acked_protocol_features: u64,
     pub vu_num_queues: usize,
-    pub backend_req_support: bool,
+    pub slave_req_support: bool,
 }
 
 impl VersionMapped for State {}
 
-struct BackendReqHandler {
+struct SlaveReqHandler {
     cache_offset: GuestAddress,
     cache_size: u64,
     mmap_cache_addr: u64,
     mem: GuestMemoryAtomic<GuestMemoryMmap>,
 }
 
-impl BackendReqHandler {
+impl SlaveReqHandler {
     // Make sure request is within cache range
     fn is_req_valid(&self, offset: u64, len: u64) -> bool {
         let end = match offset.checked_add(len) {
@@ -72,16 +72,16 @@ impl BackendReqHandler {
     }
 }
 
-impl VhostUserFrontendReqHandler for BackendReqHandler {
+impl VhostUserMasterReqHandler for SlaveReqHandler {
     fn handle_config_change(&self) -> HandlerResult<u64> {
         debug!("handle_config_change");
         Ok(0)
     }
 
-    fn fs_backend_map(&self, fs: &VhostUserFSBackendMsg, fd: &dyn AsRawFd) -> HandlerResult<u64> {
-        debug!("fs_backend_map");
+    fn fs_slave_map(&self, fs: &VhostUserFSSlaveMsg, fd: &dyn AsRawFd) -> HandlerResult<u64> {
+        debug!("fs_slave_map");
 
-        for i in 0..VHOST_USER_FS_BACKEND_ENTRIES {
+        for i in 0..VHOST_USER_FS_SLAVE_ENTRIES {
             let offset = fs.cache_offset[i];
             let len = fs.len[i];
 
@@ -115,10 +115,10 @@ impl VhostUserFrontendReqHandler for BackendReqHandler {
         Ok(0)
     }
 
-    fn fs_backend_unmap(&self, fs: &VhostUserFSBackendMsg) -> HandlerResult<u64> {
-        debug!("fs_backend_unmap");
+    fn fs_slave_unmap(&self, fs: &VhostUserFSSlaveMsg) -> HandlerResult<u64> {
+        debug!("fs_slave_unmap");
 
-        for i in 0..VHOST_USER_FS_BACKEND_ENTRIES {
+        for i in 0..VHOST_USER_FS_SLAVE_ENTRIES {
             let mut len = fs.len[i];
 
             // Ignore if the length is 0.
@@ -126,7 +126,7 @@ impl VhostUserFrontendReqHandler for BackendReqHandler {
                 continue;
             }
 
-            // Need to handle a special case where the backend ask for the unmapping
+            // Need to handle a special case where the slave ask for the unmapping
             // of the entire mapping.
             let offset = if len == 0xffff_ffff_ffff_ffff {
                 len = self.cache_size;
@@ -159,10 +159,10 @@ impl VhostUserFrontendReqHandler for BackendReqHandler {
         Ok(0)
     }
 
-    fn fs_backend_sync(&self, fs: &VhostUserFSBackendMsg) -> HandlerResult<u64> {
-        debug!("fs_backend_sync");
+    fn fs_slave_sync(&self, fs: &VhostUserFSSlaveMsg) -> HandlerResult<u64> {
+        debug!("fs_slave_sync");
 
-        for i in 0..VHOST_USER_FS_BACKEND_ENTRIES {
+        for i in 0..VHOST_USER_FS_SLAVE_ENTRIES {
             let offset = fs.cache_offset[i];
             let len = fs.len[i];
 
@@ -187,11 +187,11 @@ impl VhostUserFrontendReqHandler for BackendReqHandler {
         Ok(0)
     }
 
-    fn fs_backend_io(&self, fs: &VhostUserFSBackendMsg, fd: &dyn AsRawFd) -> HandlerResult<u64> {
-        debug!("fs_backend_io");
+    fn fs_slave_io(&self, fs: &VhostUserFSSlaveMsg, fd: &dyn AsRawFd) -> HandlerResult<u64> {
+        debug!("fs_slave_io");
 
         let mut done: u64 = 0;
-        for i in 0..VHOST_USER_FS_BACKEND_ENTRIES {
+        for i in 0..VHOST_USER_FS_SLAVE_ENTRIES {
             // Ignore if the length is 0.
             if fs.len[i] == 0 {
                 continue;
@@ -230,8 +230,8 @@ impl VhostUserFrontendReqHandler for BackendReqHandler {
             };
 
             while len > 0 {
-                let ret = if (fs.flags[i] & VhostUserFSBackendMsgFlags::MAP_W)
-                    == VhostUserFSBackendMsgFlags::MAP_W
+                let ret = if (fs.flags[i] & VhostUserFSSlaveMsgFlags::MAP_W)
+                    == VhostUserFSSlaveMsgFlags::MAP_W
                 {
                     debug!("write: foffset={}, len={}", foffset, len);
                     // SAFETY: FFI call with valid arguments
@@ -298,7 +298,7 @@ pub struct Fs {
     // Hold ownership of the memory that is allocated for the device
     // which will be automatically dropped when the device is dropped
     cache: Option<(VirtioSharedMemoryList, MmapRegion)>,
-    backend_req_support: bool,
+    slave_req_support: bool,
     seccomp_action: SeccompAction,
     guest_memory: Option<GuestMemoryAtomic<GuestMemoryMmap>>,
     epoll_thread: Option<thread::JoinHandle<()>>,
@@ -321,7 +321,7 @@ impl Fs {
         iommu: bool,
         state: Option<State>,
     ) -> Result<Fs> {
-        let mut backend_req_support = false;
+        let mut slave_req_support = false;
 
         // Calculate the actual number of queues needed.
         let num_queues = NUM_QUEUE_OFFSET + req_num_queues;
@@ -335,7 +335,7 @@ impl Fs {
             acked_protocol_features,
             vu_num_queues,
             config,
-            backend_req_support,
+            slave_req_support,
             paused,
         ) = if let Some(state) = state {
             info!("Restoring vhost-user-fs {}", id);
@@ -351,7 +351,7 @@ impl Fs {
                 state.acked_protocol_features,
                 state.vu_num_queues,
                 state.config,
-                state.backend_req_support,
+                state.slave_req_support,
                 true,
             )
         } else {
@@ -363,10 +363,10 @@ impl Fs {
                 | VhostUserProtocolFeatures::REPLY_ACK
                 | VhostUserProtocolFeatures::INFLIGHT_SHMFD
                 | VhostUserProtocolFeatures::LOG_SHMFD;
-            let backend_protocol_features =
-                VhostUserProtocolFeatures::BACKEND_REQ | VhostUserProtocolFeatures::BACKEND_SEND_FD;
+            let slave_protocol_features =
+                VhostUserProtocolFeatures::SLAVE_REQ | VhostUserProtocolFeatures::SLAVE_SEND_FD;
             if cache.is_some() {
-                avail_protocol_features |= backend_protocol_features;
+                avail_protocol_features |= slave_protocol_features;
             }
 
             let (acked_features, acked_protocol_features) =
@@ -389,10 +389,10 @@ impl Fs {
                 return Err(Error::BadQueueNum);
             }
 
-            if acked_protocol_features & backend_protocol_features.bits()
-                == backend_protocol_features.bits()
+            if acked_protocol_features & slave_protocol_features.bits()
+                == slave_protocol_features.bits()
             {
-                backend_req_support = true;
+                slave_req_support = true;
             }
 
             // Create virtio-fs device configuration.
@@ -411,7 +411,7 @@ impl Fs {
                 acked_protocol_features,
                 num_queues,
                 config,
-                backend_req_support,
+                slave_req_support,
                 false,
             )
         };
@@ -437,7 +437,7 @@ impl Fs {
             id,
             config,
             cache,
-            backend_req_support,
+            slave_req_support,
             seccomp_action,
             guest_memory: None,
             epoll_thread: None,
@@ -453,7 +453,7 @@ impl Fs {
             config: self.config,
             acked_protocol_features: self.vu_common.acked_protocol_features,
             vu_num_queues: self.vu_common.vu_num_queues,
-            backend_req_support: self.backend_req_support,
+            slave_req_support: self.slave_req_support,
         }
     }
 }
@@ -507,10 +507,10 @@ impl VirtioDevice for Fs {
         self.common.activate(&queues, &interrupt_cb)?;
         self.guest_memory = Some(mem.clone());
 
-        // Initialize backend communication.
-        let backend_req_handler = if self.backend_req_support {
+        // Initialize slave communication.
+        let slave_req_handler = if self.slave_req_support {
             if let Some(cache) = self.cache.as_ref() {
-                let vu_frontend_req_handler = Arc::new(BackendReqHandler {
+                let vu_master_req_handler = Arc::new(SlaveReqHandler {
                     cache_offset: cache.0.addr,
                     cache_size: cache.0.len,
                     mmap_cache_addr: cache.0.host_addr,
@@ -518,8 +518,8 @@ impl VirtioDevice for Fs {
                 });
 
                 let mut req_handler =
-                    FrontendReqHandler::new(vu_frontend_req_handler).map_err(|e| {
-                        ActivateError::VhostUserFsSetup(Error::FrontendReqHandlerCreation(e))
+                    MasterReqHandler::new(vu_master_req_handler).map_err(|e| {
+                        ActivateError::VhostUserFsSetup(Error::MasterReqHandlerCreation(e))
                     })?;
 
                 if self.vu_common.acked_protocol_features
@@ -546,7 +546,7 @@ impl VirtioDevice for Fs {
             queues,
             interrupt_cb,
             self.common.acked_features,
-            backend_req_handler,
+            slave_req_handler,
             kill_evt,
             pause_evt,
         )?;

virtio-devices/src/vhost_user/mod.rs

@@ -17,7 +17,7 @@ use versionize::Versionize;
 use vhost::vhost_user::message::{
     VhostUserInflight, VhostUserProtocolFeatures, VhostUserVirtioFeatures,
 };
-use vhost::vhost_user::{FrontendReqHandler, VhostUserFrontendReqHandler};
+use vhost::vhost_user::{MasterReqHandler, VhostUserMasterReqHandler};
 use vhost::Error as VhostError;
 use virtio_queue::Error as QueueError;
 use virtio_queue::Queue;
@@ -61,8 +61,8 @@ pub enum Error {
     MemoryRegions(MmapError),
     #[error("Failed removing socket path: {0}")]
     RemoveSocketPath(io::Error),
-    #[error("Failed to create frontend: {0}")]
-    VhostUserCreateFrontend(VhostError),
+    #[error("Failed to create master: {0}")]
+    VhostUserCreateMaster(VhostError),
     #[error("Failed to open vhost device: {0}")]
     VhostUserOpen(VhostError),
     #[error("Connection to socket failed")]
@@ -105,10 +105,10 @@ pub enum Error {
     VhostIrqRead(io::Error),
     #[error("Failed to read vhost eventfd: {0}")]
     VhostUserMemoryRegion(MmapError),
-    #[error("Failed to create the frontend request handler from backend: {0}")]
-    FrontendReqHandlerCreation(vhost::vhost_user::Error),
-    #[error("Set backend request fd failed: {0}")]
-    VhostUserSetBackendRequestFd(vhost::Error),
+    #[error("Failed to create the master request handler from slave: {0}")]
+    MasterReqHandlerCreation(vhost::vhost_user::Error),
+    #[error("Set slave request fd failed: {0}")]
+    VhostUserSetSlaveRequestFd(vhost::Error),
     #[error("Add memory region failed: {0}")]
     VhostUserAddMemReg(VhostError),
     #[error("Failed getting the configuration: {0}")]
@@ -155,7 +155,7 @@ pub const DEFAULT_VIRTIO_FEATURES: u64 = 1 << VIRTIO_F_RING_INDIRECT_DESC
     | VhostUserVirtioFeatures::PROTOCOL_FEATURES.bits();
 
 const HUP_CONNECTION_EVENT: u16 = EPOLL_HELPER_EVENT_LAST + 1;
-const BACKEND_REQ_EVENT: u16 = EPOLL_HELPER_EVENT_LAST + 2;
+const SLAVE_REQ_EVENT: u16 = EPOLL_HELPER_EVENT_LAST + 2;
 
 #[derive(Default)]
 pub struct Inflight {
@@ -163,7 +163,7 @@ pub struct Inflight {
     pub fd: Option<std::fs::File>,
 }
 
-pub struct VhostUserEpollHandler<S: VhostUserFrontendReqHandler> {
+pub struct VhostUserEpollHandler<S: VhostUserMasterReqHandler> {
     pub vu: Arc<Mutex<VhostUserHandle>>,
     pub mem: GuestMemoryAtomic<GuestMemoryMmap>,
     pub kill_evt: EventFd,
@@ -174,11 +174,11 @@ pub struct VhostUserEpollHandler<S: VhostUserFrontendReqHandler> {
     pub acked_protocol_features: u64,
     pub socket_path: String,
     pub server: bool,
-    pub backend_req_handler: Option<FrontendReqHandler<S>>,
+    pub slave_req_handler: Option<MasterReqHandler<S>>,
     pub inflight: Option<Inflight>,
 }
 
-impl<S: VhostUserFrontendReqHandler> VhostUserEpollHandler<S> {
+impl<S: VhostUserMasterReqHandler> VhostUserEpollHandler<S> {
     pub fn run(
         &mut self,
         paused: Arc<AtomicBool>,
@@ -191,8 +191,8 @@ impl<S: VhostUserFrontendReqHandler> VhostUserEpollHandler<S> {
             epoll::Events::EPOLLHUP,
         )?;
 
-        if let Some(backend_req_handler) = &self.backend_req_handler {
-            helper.add_event(backend_req_handler.as_raw_fd(), BACKEND_REQ_EVENT)?;
+        if let Some(slave_req_handler) = &self.slave_req_handler {
+            helper.add_event(slave_req_handler.as_raw_fd(), SLAVE_REQ_EVENT)?;
         }
 
         helper.run(paused, paused_sync, self)?;
@@ -231,7 +231,7 @@ impl<S: VhostUserFrontendReqHandler> VhostUserEpollHandler<S> {
                 &self.virtio_interrupt,
                 self.acked_features,
                 self.acked_protocol_features,
-                &self.backend_req_handler,
+                &self.slave_req_handler,
                 self.inflight.as_mut(),
             )
             .map_err(|e| {
@@ -255,7 +255,7 @@ impl<S: VhostUserFrontendReqHandler> VhostUserEpollHandler<S> {
     }
 }
 
-impl<S: VhostUserFrontendReqHandler> EpollHelperHandler for VhostUserEpollHandler<S> {
+impl<S: VhostUserMasterReqHandler> EpollHelperHandler for VhostUserEpollHandler<S> {
     fn handle_event(
         &mut self,
         helper: &mut EpollHelper,
@@ -271,9 +271,9 @@ impl<S: VhostUserFrontendReqHandler> EpollHelperHandler for VhostUserEpollHandle
                     ))
                 })?;
             }
-            BACKEND_REQ_EVENT => {
-                if let Some(backend_req_handler) = self.backend_req_handler.as_mut() {
-                    backend_req_handler.handle_request().map_err(|e| {
+            SLAVE_REQ_EVENT => {
+                if let Some(slave_req_handler) = self.slave_req_handler.as_mut() {
+                    slave_req_handler.handle_request().map_err(|e| {
                         EpollHelperError::HandleEvent(anyhow!(
                             "Failed to handle request from vhost-user backend: {:?}",
                             e
@@ -304,13 +304,13 @@ pub struct VhostUserCommon {
 
 impl VhostUserCommon {
     #[allow(clippy::too_many_arguments)]
-    pub fn activate<T: VhostUserFrontendReqHandler>(
+    pub fn activate<T: VhostUserMasterReqHandler>(
         &mut self,
         mem: GuestMemoryAtomic<GuestMemoryMmap>,
         queues: Vec<(usize, Queue, EventFd)>,
         interrupt_cb: Arc<dyn VirtioInterrupt>,
         acked_features: u64,
-        backend_req_handler: Option<FrontendReqHandler<T>>,
+        slave_req_handler: Option<MasterReqHandler<T>>,
         kill_evt: EventFd,
         pause_evt: EventFd,
     ) -> std::result::Result<VhostUserEpollHandler<T>, ActivateError> {
@@ -337,7 +337,7 @@ impl VhostUserCommon {
                     .collect(),
                 &interrupt_cb,
                 acked_features,
-                &backend_req_handler,
+                &slave_req_handler,
                 inflight.as_mut(),
             )
             .map_err(ActivateError::VhostUserSetup)?;
@@ -353,7 +353,7 @@ impl VhostUserCommon {
             acked_protocol_features: self.acked_protocol_features,
             socket_path: self.socket_path.clone(),
             server: self.server,
-            backend_req_handler,
+            slave_req_handler,
             inflight,
         })
     }

virtio-devices/src/vhost_user/net.rs

@@ -20,7 +20,7 @@ use std::vec::Vec;
 use versionize::{VersionMap, Versionize, VersionizeResult};
 use versionize_derive::Versionize;
 use vhost::vhost_user::message::{VhostUserProtocolFeatures, VhostUserVirtioFeatures};
-use vhost::vhost_user::{FrontendReqHandler, VhostUserFrontend, VhostUserFrontendReqHandler};
+use vhost::vhost_user::{MasterReqHandler, VhostUserMaster, VhostUserMasterReqHandler};
 use virtio_bindings::virtio_net::{
     VIRTIO_NET_F_CSUM, VIRTIO_NET_F_CTRL_VQ, VIRTIO_NET_F_GUEST_CSUM, VIRTIO_NET_F_GUEST_ECN,
     VIRTIO_NET_F_GUEST_TSO4, VIRTIO_NET_F_GUEST_TSO6, VIRTIO_NET_F_GUEST_UFO,
@@ -49,8 +49,8 @@ pub struct State {
 
 impl VersionMapped for State {}
 
-struct BackendReqHandler {}
-impl VhostUserFrontendReqHandler for BackendReqHandler {}
+struct SlaveReqHandler {}
+impl VhostUserMasterReqHandler for SlaveReqHandler {}
 
 pub struct Net {
     common: VirtioCommon,
@@ -342,7 +342,7 @@ impl VirtioDevice for Net {
             self.ctrl_queue_epoll_thread = Some(epoll_threads.remove(0));
         }
 
-        let backend_req_handler: Option<FrontendReqHandler<BackendReqHandler>> = None;
+        let slave_req_handler: Option<MasterReqHandler<SlaveReqHandler>> = None;
 
         // The backend acknowledged features must not contain VIRTIO_NET_F_MAC
         // since we don't expect the backend to handle it.
@@ -357,7 +357,7 @@ impl VirtioDevice for Net {
             queues,
             interrupt_cb,
             backend_acked_features,
-            backend_req_handler,
+            slave_req_handler,
             kill_evt,
             pause_evt,
         )?;

virtio-devices/src/vhost_user/vu_common_ctrl.rs

@@ -20,9 +20,7 @@ use vhost::vhost_kern::vhost_binding::{VHOST_F_LOG_ALL, VHOST_VRING_F_LOG};
 use vhost::vhost_user::message::{
     VhostUserHeaderFlag, VhostUserInflight, VhostUserProtocolFeatures, VhostUserVirtioFeatures,
 };
-use vhost::vhost_user::{
-    Frontend, FrontendReqHandler, VhostUserFrontend, VhostUserFrontendReqHandler,
-};
+use vhost::vhost_user::{Master, MasterReqHandler, VhostUserMaster, VhostUserMasterReqHandler};
 use vhost::{VhostBackend, VhostUserDirtyLogRegion, VhostUserMemoryRegionInfo, VringConfigData};
 use virtio_queue::{Descriptor, Queue, QueueT};
 use vm_memory::{
@@ -49,7 +47,7 @@ struct VringInfo {
 
 #[derive(Clone)]
 pub struct VhostUserHandle {
-    vu: Frontend,
+    vu: Master,
     ready: bool,
     supports_migration: bool,
     shm_log: Option<Arc<MmapRegion>>,
@@ -150,13 +148,13 @@ impl VhostUserHandle {
     }
 
     #[allow(clippy::too_many_arguments)]
-    pub fn setup_vhost_user<S: VhostUserFrontendReqHandler>(
+    pub fn setup_vhost_user<S: VhostUserMasterReqHandler>(
         &mut self,
         mem: &GuestMemoryMmap,
         queues: Vec<(usize, Queue, EventFd)>,
         virtio_interrupt: &Arc<dyn VirtioInterrupt>,
         acked_features: u64,
-        backend_req_handler: &Option<FrontendReqHandler<S>>,
+        slave_req_handler: &Option<MasterReqHandler<S>>,
         inflight: Option<&mut Inflight>,
     ) -> Result<()> {
         self.vu
@@ -268,10 +266,10 @@ impl VhostUserHandle {
 
         self.enable_vhost_user_vrings(self.queue_indexes.clone(), true)?;
 
-        if let Some(backend_req_handler) = backend_req_handler {
+        if let Some(slave_req_handler) = slave_req_handler {
             self.vu
-                .set_backend_request_fd(&backend_req_handler.get_tx_raw_fd())
-                .map_err(Error::VhostUserSetBackendRequestFd)?;
+                .set_slave_request_fd(&slave_req_handler.get_tx_raw_fd())
+                .map_err(Error::VhostUserSetSlaveRequestFd)?;
         }
 
         self.vrings_info = Some(vrings_info);
@@ -335,14 +333,14 @@ impl VhostUserHandle {
     }
 
     #[allow(clippy::too_many_arguments)]
-    pub fn reinitialize_vhost_user<S: VhostUserFrontendReqHandler>(
+    pub fn reinitialize_vhost_user<S: VhostUserMasterReqHandler>(
         &mut self,
         mem: &GuestMemoryMmap,
         queues: Vec<(usize, Queue, EventFd)>,
         virtio_interrupt: &Arc<dyn VirtioInterrupt>,
         acked_features: u64,
         acked_protocol_features: u64,
-        backend_req_handler: &Option<FrontendReqHandler<S>>,
+        slave_req_handler: &Option<MasterReqHandler<S>>,
         inflight: Option<&mut Inflight>,
     ) -> Result<()> {
         self.set_protocol_features_vhost_user(acked_features, acked_protocol_features)?;
@@ -352,7 +350,7 @@ impl VhostUserHandle {
             queues,
             virtio_interrupt,
             acked_features,
-            backend_req_handler,
+            slave_req_handler,
             inflight,
         )
     }
@@ -374,7 +372,7 @@ impl VhostUserHandle {
             let (stream, _) = listener.accept().map_err(Error::AcceptConnection)?;
 
             Ok(VhostUserHandle {
-                vu: Frontend::from_stream(stream, num_queues),
+                vu: Master::from_stream(stream, num_queues),
                 ready: false,
                 supports_migration: false,
                 shm_log: None,
@@ -387,7 +385,7 @@ impl VhostUserHandle {
 
             // Retry connecting for a full minute
             let err = loop {
-                let err = match Frontend::connect(socket_path, num_queues) {
+                let err = match Master::connect(socket_path, num_queues) {
                     Ok(m) => {
                         return Ok(VhostUserHandle {
                             vu: m,
@@ -416,7 +414,7 @@ impl VhostUserHandle {
         }
     }
 
-    pub fn socket_handle(&mut self) -> &mut Frontend {
+    pub fn socket_handle(&mut self) -> &mut Master {
         &mut self.vu
     }
 

virtio-devices/src/vsock/device.rs

@@ -340,7 +340,7 @@ where
     #[allow(clippy::too_many_arguments)]
     pub fn new(
         id: String,
-        cid: u32,
+        cid: u64,
         path: PathBuf,
         backend: B,
         iommu: bool,
@@ -372,7 +372,7 @@ where
                 ..Default::default()
             },
             id,
-            cid: cid.into(),
+            cid,
             backend: Arc::new(RwLock::new(backend)),
             path,
             seccomp_action,

virtio-devices/src/vsock/mod.rs

@@ -17,7 +17,7 @@ pub use self::device::Vsock;
 pub use self::unix::VsockUnixBackend;
 pub use self::unix::VsockUnixError;
 
-use packet::VsockPacket;
+pub use packet::VsockPacket;
 use std::os::unix::io::RawFd;
 
 mod defs {
@@ -262,10 +262,10 @@ mod tests {
 
     impl TestContext {
         pub fn new() -> Self {
-            const CID: u32 = 52;
+            const CID: u64 = 52;
             const MEM_SIZE: usize = 1024 * 1024 * 128;
             Self {
-                cid: CID as u64,
+                cid: CID,
                 mem: GuestMemoryMmap::from_ranges(&[(GuestAddress(0), MEM_SIZE)]).unwrap(),
                 mem_size: MEM_SIZE,
                 device: Vsock::new(

virtio-devices/src/vsock/unix/muxer.rs

@@ -40,7 +40,7 @@
 
 use std::collections::{HashMap, HashSet};
 use std::fs::File;
-use std::io::{self, ErrorKind, Read};
+use std::io::{self, Read};
 use std::os::unix::io::{AsRawFd, FromRawFd, RawFd};
 use std::os::unix::net::{UnixListener, UnixStream};
 
@@ -92,15 +92,6 @@ enum EpollListener {
     LocalStream(UnixStream),
 }
 
-/// A partially read "CONNECT" command.
-#[derive(Default)]
-struct PartiallyReadCommand {
-    /// The bytes of the command that have been read so far.
-    buf: [u8; 32],
-    /// How much of `buf` has been used.
-    len: usize,
-}
-
 /// The vsock connection multiplexer.
 ///
 pub struct VsockMuxer {
@@ -110,8 +101,6 @@ pub struct VsockMuxer {
     conn_map: HashMap<ConnMapKey, MuxerConnection>,
     /// A hash map used to store epoll event listeners / handlers.
     listener_map: HashMap<RawFd, EpollListener>,
-    /// A hash map used to store partially read "connect" commands.
-    partial_command_map: HashMap<RawFd, PartiallyReadCommand>,
     /// The RX queue. Items in this queue are consumed by `VsockMuxer::recv_pkt()`, and
     /// produced
     /// - by `VsockMuxer::send_pkt()` (e.g. RST in response to a connection request packet);
@@ -347,7 +336,7 @@ impl VsockBackend for VsockMuxer {}
 impl VsockMuxer {
     /// Muxer constructor.
     ///
-    pub fn new(cid: u32, host_sock_path: String) -> Result<Self> {
+    pub fn new(cid: u64, host_sock_path: String) -> Result<Self> {
         // Create the nested epoll FD. This FD will be added to the VMM `EpollContext`, at
         // device activation time.
         let epoll_fd = epoll::create(true).map_err(Error::EpollFdCreate)?;
@@ -362,14 +351,13 @@ impl VsockMuxer {
             .map_err(Error::UnixBind)?;
 
         let mut muxer = Self {
-            cid: cid.into(),
+            cid,
             host_sock,
             host_sock_path,
             epoll_file,
             rxq: MuxerRxQ::new(),
             conn_map: HashMap::with_capacity(defs::MAX_CONNECTIONS),
             listener_map: HashMap::with_capacity(defs::MAX_CONNECTIONS + 1),
-            partial_command_map: Default::default(),
             killq: MuxerKillQ::new(),
             local_port_last: (1u32 << 30) - 1,
             local_port_set: HashSet::with_capacity(defs::MAX_CONNECTIONS),
@@ -436,40 +424,27 @@ impl VsockMuxer {
             // Data is ready to be read from a host-initiated connection. That would be the
             // "connect" command that we're expecting.
             Some(EpollListener::LocalStream(_)) => {
-                if let Some(EpollListener::LocalStream(stream)) = self.listener_map.get_mut(&fd) {
-                    let port = Self::read_local_stream_port(&mut self.partial_command_map, stream);
-
-                    if let Err(Error::UnixRead(ref e)) = port {
-                        if e.kind() == ErrorKind::WouldBlock {
-                            return;
-                        }
-                    }
-
-                    let stream = match self.remove_listener(fd) {
-                        Some(EpollListener::LocalStream(s)) => s,
-                        _ => unreachable!(),
-                    };
-
-                    port.and_then(|peer_port| {
-                        let local_port = self.allocate_local_port();
-
-                        self.add_connection(
-                            ConnMapKey {
-                                local_port,
-                                peer_port,
-                            },
-                            MuxerConnection::new_local_init(
-                                stream,
-                                uapi::VSOCK_HOST_CID,
-                                self.cid,
-                                local_port,
-                                peer_port,
-                            ),
-                        )
-                    })
-                    .unwrap_or_else(|err| {
-                        info!("vsock: error adding local-init connection: {:?}", err);
-                    })
+                if let Some(EpollListener::LocalStream(mut stream)) = self.remove_listener(fd) {
+                    Self::read_local_stream_port(&mut stream)
+                        .map(|peer_port| (self.allocate_local_port(), peer_port))
+                        .and_then(|(local_port, peer_port)| {
+                            self.add_connection(
+                                ConnMapKey {
+                                    local_port,
+                                    peer_port,
+                                },
+                                MuxerConnection::new_local_init(
+                                    stream,
+                                    uapi::VSOCK_HOST_CID,
+                                    self.cid,
+                                    local_port,
+                                    peer_port,
+                                ),
+                            )
+                        })
+                        .unwrap_or_else(|err| {
+                            info!("vsock: error adding local-init connection: {:?}", err);
+                        })
                 }
             }
 
@@ -484,36 +459,30 @@ impl VsockMuxer {
 
     /// Parse a host "connect" command, and extract the destination vsock port.
     ///
-    fn read_local_stream_port(
-        partial_command_map: &mut HashMap<RawFd, PartiallyReadCommand>,
-        stream: &mut UnixStream,
-    ) -> Result<u32> {
-        let command = partial_command_map.entry(stream.as_raw_fd()).or_default();
+    fn read_local_stream_port(stream: &mut UnixStream) -> Result<u32> {
+        let mut buf = [0u8; 32];
 
         // This is the minimum number of bytes that we should be able to read, when parsing a
         // valid connection request. I.e. `b"connect 0\n".len()`.
-        const MIN_COMMAND_LEN: usize = 10;
+        const MIN_READ_LEN: usize = 10;
 
         // Bring in the minimum number of bytes that we should be able to read.
-        if command.len < MIN_COMMAND_LEN {
-            command.len += stream
-                .read(&mut command.buf[command.len..MIN_COMMAND_LEN])
-                .map_err(Error::UnixRead)?;
-        }
+        stream
+            .read_exact(&mut buf[..MIN_READ_LEN])
+            .map_err(Error::UnixRead)?;
 
         // Now, finish reading the destination port number, by bringing in one byte at a time,
         // until we reach an EOL terminator (or our buffer space runs out).  Yeah, not
         // particularly proud of this approach, but it will have to do for now.
-        while command.buf[command.len - 1] != b'\n' && command.len < command.buf.len() {
-            command.len += stream
-                .read(&mut command.buf[command.len..=command.len])
+        let mut blen = MIN_READ_LEN;
+        while buf[blen - 1] != b'\n' && blen < buf.len() {
+            stream
+                .read_exact(&mut buf[blen..=blen])
                 .map_err(Error::UnixRead)?;
+            blen += 1;
         }
 
-        let _ = command;
-        let command = partial_command_map.remove(&stream.as_raw_fd()).unwrap();
-
-        let mut word_iter = std::str::from_utf8(&command.buf[..command.len])
+        let mut word_iter = std::str::from_utf8(&buf[..blen])
             .map_err(Error::ConvertFromUtf8)?
             .split_whitespace();
 
@@ -862,7 +831,7 @@ mod tests {
     use super::super::super::tests::TestContext as VsockTestContext;
     use super::*;
 
-    const PEER_CID: u32 = 3;
+    const PEER_CID: u64 = 3;
     const PEER_BUF_ALLOC: u32 = 64 * 1024;
 
     struct MuxerTestContext {
@@ -906,7 +875,7 @@ mod tests {
             }
             self.pkt
                 .set_type(uapi::VSOCK_TYPE_STREAM)
-                .set_src_cid(PEER_CID.into())
+                .set_src_cid(PEER_CID)
                 .set_dst_cid(uapi::VSOCK_HOST_CID)
                 .set_src_port(peer_port)
                 .set_dst_port(local_port)
@@ -1060,7 +1029,7 @@ mod tests {
         ctx.recv();
         assert_eq!(ctx.pkt.op(), uapi::VSOCK_OP_RST);
         assert_eq!(ctx.pkt.src_cid(), uapi::VSOCK_HOST_CID);
-        assert_eq!(ctx.pkt.dst_cid(), PEER_CID as u64);
+        assert_eq!(ctx.pkt.dst_cid(), PEER_CID);
         assert_eq!(ctx.pkt.src_port(), LOCAL_PORT);
         assert_eq!(ctx.pkt.dst_port(), PEER_PORT);
 
@@ -1105,7 +1074,7 @@ mod tests {
         assert_eq!(ctx.pkt.op(), uapi::VSOCK_OP_RST);
         assert_eq!(ctx.pkt.len(), 0);
         assert_eq!(ctx.pkt.src_cid(), uapi::VSOCK_HOST_CID);
-        assert_eq!(ctx.pkt.dst_cid(), PEER_CID as u64);
+        assert_eq!(ctx.pkt.dst_cid(), PEER_CID);
         assert_eq!(ctx.pkt.src_port(), LOCAL_PORT);
         assert_eq!(ctx.pkt.dst_port(), PEER_PORT);
 
@@ -1119,7 +1088,7 @@ mod tests {
         assert_eq!(ctx.pkt.op(), uapi::VSOCK_OP_RESPONSE);
         assert_eq!(ctx.pkt.len(), 0);
         assert_eq!(ctx.pkt.src_cid(), uapi::VSOCK_HOST_CID);
-        assert_eq!(ctx.pkt.dst_cid(), PEER_CID as u64);
+        assert_eq!(ctx.pkt.dst_cid(), PEER_CID);
         assert_eq!(ctx.pkt.src_port(), LOCAL_PORT);
         assert_eq!(ctx.pkt.dst_port(), PEER_PORT);
         let key = ConnMapKey {

vm-allocator/Cargo.toml

@@ -6,7 +6,7 @@ edition = "2021"
 
 [dependencies]
 libc = "0.2.147"
-vm-memory = "0.14.0"
+vm-memory = "0.12.2"
 
 [target.'cfg(target_arch = "aarch64")'.dependencies]
 arch = { path = "../arch" }

vm-allocator/src/system.rs

@@ -30,6 +30,7 @@ use crate::page_size::get_page_size;
 ///           #[cfg(target_arch = "x86_64")] GuestAddress(0x1000),
 ///           #[cfg(target_arch = "x86_64")] 0x10000,
 ///           GuestAddress(0x10000000), 0x10000000,
+///           GuestAddress(0x20000000), 0x100000,
 ///           #[cfg(target_arch = "x86_64")] vec![GsiApic::new(5, 19)]).unwrap();
 ///   #[cfg(target_arch = "x86_64")]
 ///   assert_eq!(allocator.allocate_irq(), Some(5));
@@ -46,6 +47,7 @@ pub struct SystemAllocator {
     #[cfg(target_arch = "x86_64")]
     io_address_space: AddressAllocator,
     platform_mmio_address_space: AddressAllocator,
+    mmio_hole_address_space: AddressAllocator,
     gsi_allocator: GsiAllocator,
 }
 
@@ -57,6 +59,8 @@ impl SystemAllocator {
     /// * `io_size` - (X86) The size of IO memory.
     /// * `platform_mmio_base` - The starting address of platform MMIO memory.
     /// * `platform_mmio_size` - The size of platform MMIO memory.
+    /// * `mmio_hole_base` - The starting address of MMIO memory in 32-bit address space.
+    /// * `mmio_hole_size` - The size of MMIO memory in 32-bit address space.
     /// * `apics` - (X86) Vector of APIC's.
     ///
     pub fn new(
@@ -64,6 +68,8 @@ impl SystemAllocator {
         #[cfg(target_arch = "x86_64")] io_size: GuestUsize,
         platform_mmio_base: GuestAddress,
         platform_mmio_size: GuestUsize,
+        mmio_hole_base: GuestAddress,
+        mmio_hole_size: GuestUsize,
         #[cfg(target_arch = "x86_64")] apics: Vec<GsiApic>,
     ) -> Option<Self> {
         Some(SystemAllocator {
@@ -73,6 +79,7 @@ impl SystemAllocator {
                 platform_mmio_base,
                 platform_mmio_size,
             )?,
+            mmio_hole_address_space: AddressAllocator::new(mmio_hole_base, mmio_hole_size)?,
             #[cfg(target_arch = "x86_64")]
             gsi_allocator: GsiAllocator::new(apics),
             #[cfg(target_arch = "aarch64")]
@@ -116,6 +123,20 @@ impl SystemAllocator {
         )
     }
 
+    /// Reserves a section of `size` bytes of MMIO address space.
+    pub fn allocate_mmio_hole_addresses(
+        &mut self,
+        address: Option<GuestAddress>,
+        size: GuestUsize,
+        align_size: Option<GuestUsize>,
+    ) -> Option<GuestAddress> {
+        self.mmio_hole_address_space.allocate(
+            address,
+            size,
+            Some(align_size.unwrap_or_else(get_page_size)),
+        )
+    }
+
     #[cfg(target_arch = "x86_64")]
     /// Free an IO address range.
     /// We can only free a range if it matches exactly an already allocated range.
@@ -128,4 +149,10 @@ impl SystemAllocator {
     pub fn free_platform_mmio_addresses(&mut self, address: GuestAddress, size: GuestUsize) {
         self.platform_mmio_address_space.free(address, size)
     }
+
+    /// Free an MMIO address range from the 32 bits hole.
+    /// We can only free a range if it matches exactly an already allocated range.
+    pub fn free_mmio_hole_addresses(&mut self, address: GuestAddress, size: GuestUsize) {
+        self.mmio_hole_address_space.free(address, size)
+    }
 }

vm-device/Cargo.toml

@@ -15,5 +15,6 @@ hypervisor = { path = "../hypervisor" }
 thiserror = "1.0.40"
 serde = { version = "1.0.168", features = ["rc", "derive"] }
 vfio-ioctls = { git = "https://github.com/rust-vmm/vfio", branch = "main", default-features = false }
-vm-memory = { version = "0.14.0", features = ["backend-mmap"] }
-vmm-sys-util = "0.12.1"
+vm-memory = { version = "0.12.2", features = ["backend-mmap"] }
+vmm-sys-util = "0.11.0"
+

vm-migration/Cargo.toml

@@ -8,7 +8,7 @@ edition = "2021"
 anyhow = "1.0.75"
 thiserror = "1.0.40"
 serde = { version = "1.0.168", features = ["rc", "derive"] }
-serde_json = "1.0.109"
-versionize = "0.2.0"
-versionize_derive = "0.1.6"
-vm-memory = { version = "0.14.0", features = ["backend-mmap", "backend-atomic"] }
+serde_json = "1.0.107"
+versionize = "0.1.10"
+versionize_derive = "0.1.4"
+vm-memory = { version = "0.12.2", features = ["backend-mmap", "backend-atomic"] }

vm-migration/src/lib.rs

@@ -12,7 +12,7 @@ use versionize::{VersionMap, Versionize};
 pub mod protocol;
 
 /// Global VMM version for versioning
-const MAJOR_VERSION: u16 = 37;
+const MAJOR_VERSION: u16 = 36;
 const MINOR_VERSION: u16 = 1;
 const VMM_VERSION: u16 = MAJOR_VERSION << 12 | MINOR_VERSION & 0b1111;
 

vm-virtio/Cargo.toml

@@ -8,6 +8,6 @@ edition = "2021"
 default = []
 
 [dependencies]
-log = "0.4.20"
-virtio-queue = "0.11.0"
-vm-memory = { version = "0.14.0", features = ["backend-mmap", "backend-atomic", "backend-bitmap"] }
+log = "0.4.17"
+virtio-queue = "0.9.0"
+vm-memory = { version = "0.12.2", features = ["backend-mmap", "backend-atomic", "backend-bitmap"] }

vmm/Cargo.toml

@@ -8,7 +8,6 @@ edition = "2021"
 default = []
 dbus_api = ["blocking", "futures", "zbus"]
 guest_debug = ["kvm", "gdbstub", "gdbstub_arch"]
-igvm = ["hex", "igvm_parser", "igvm_defs",  "mshv-bindings", "range_map_vec"]
 io_uring = ["block/io_uring"]
 kvm = ["hypervisor/kvm", "vfio-ioctls/kvm", "vm-device/kvm", "pci/kvm"]
 mshv = ["hypervisor/mshv", "vfio-ioctls/mshv", "vm-device/mshv", "pci/mshv"]
@@ -25,28 +24,23 @@ bitflags = "2.4.1"
 block = { path = "../block" }
 blocking = { version = "1.3.0", optional = true }
 cfg-if = "1.0.0"
-clap = "4.4.7"
+clap = "4.3.11"
 devices = { path = "../devices" }
 epoll = "4.3.3"
 event_monitor = { path = "../event_monitor" }
 flume = "0.10.14"
 futures = { version = "0.3.27", optional = true }
-gdbstub = { version = "0.7.0", optional = true }
-gdbstub_arch = { version = "0.3.0", optional = true }
-hex = { version = "0.4.3", optional = true }
+gdbstub = { version = "0.6.4", optional = true }
+gdbstub_arch = { version = "0.2.4", optional = true }
 hypervisor = { path = "../hypervisor" }
-igvm_defs = { git = "https://github.com/microsoft/igvm", branch = "main", package = "igvm_defs", optional  = true }
-igvm_parser = { git = "https://github.com/microsoft/igvm", branch = "main", package = "igvm", optional  = true }
 libc = "0.2.147"
-linux-loader = { version = "0.11.0", features = ["elf", "bzimage", "pe"] }
-log = "0.4.20"
+linux-loader = { version = "0.9.1", features = ["elf", "bzimage", "pe"] }
+log = "0.4.17"
 micro_http = { git = "https://github.com/firecracker-microvm/micro-http", branch = "main" }
-mshv-bindings = { git = "https://github.com/rust-vmm/mshv", branch = "main", features = ["with-serde", "fam-wrappers"], optional  = true }
 net_util = { path = "../net_util" }
 once_cell = "1.18.0"
 option_parser = { path = "../option_parser" }
 pci = { path = "../pci" }
-range_map_vec = { version = "0.1.0", optional = true }
 seccompiler = "0.4.0"
 serde = { version = "1.0.168", features = ["rc", "derive"] }
 serde_json = "1.0.107"
@@ -55,17 +49,17 @@ signal-hook = "0.3.17"
 thiserror = "1.0.40"
 tracer = { path = "../tracer" }
 uuid = "1.3.4"
-versionize = "0.2.0"
-versionize_derive = "0.1.6"
+versionize = "0.1.10"
+versionize_derive = "0.1.4"
 vfio-ioctls = { git = "https://github.com/rust-vmm/vfio", branch = "main", default-features = false }
 vfio_user = { git = "https://github.com/rust-vmm/vfio-user", branch = "main" }
 virtio-devices = { path = "../virtio-devices" }
-virtio-queue = "0.11.0"
+virtio-queue = "0.9.0"
 vm-allocator = { path = "../vm-allocator" }
 vm-device = { path = "../vm-device" }
-vm-memory = { version = "0.14.0", features = ["backend-mmap", "backend-atomic", "backend-bitmap"] }
+vm-memory = { version = "0.12.2", features = ["backend-mmap", "backend-atomic", "backend-bitmap"] }
 vm-migration = { path = "../vm-migration" }
 vm-virtio = { path = "../vm-virtio" }
-vmm-sys-util = { version = "0.12.1", features = ["with-serde"] }
+vmm-sys-util = { version = "0.11.0", features = ["with-serde"] }
 zbus = { version = "3.11.1", optional = true }
-zerocopy = { version = "0.7.21", features = ["alloc","derive"] }
+zerocopy = { version = "0.7.21", features = ["derive"] }

vmm/src/acpi.rs

@@ -277,10 +277,7 @@ fn create_tpm2_table() -> Sdt {
     tpm
 }
 
-fn create_srat_table(
-    numa_nodes: &NumaNodes,
-    #[cfg(target_arch = "x86_64")] topology: Option<(u8, u8, u8)>,
-) -> Sdt {
+fn create_srat_table(numa_nodes: &NumaNodes) -> Sdt {
     let mut srat = Sdt::new(*b"SRAT", 36, 3, *b"CLOUDH", *b"CHSRAT  ", 1);
     // SRAT reserved 12 bytes
     srat.append_slice(&[0u8; 12]);
@@ -319,9 +316,6 @@ fn create_srat_table(
         }
 
         for cpu in &node.cpus {
-            #[cfg(target_arch = "x86_64")]
-            let x2apic_id = arch::x86_64::get_x2apic_id(*cpu as u32, topology);
-            #[cfg(target_arch = "aarch64")]
             let x2apic_id = *cpu as u32;
 
             // Flags
@@ -758,14 +752,8 @@ pub fn create_acpi_tables(
     // SRAT and SLIT
     // Only created if the NUMA nodes list is not empty.
     if !numa_nodes.is_empty() {
-        #[cfg(target_arch = "x86_64")]
-        let topology = cpu_manager.lock().unwrap().get_vcpu_topology();
         // SRAT
-        let srat = create_srat_table(
-            numa_nodes,
-            #[cfg(target_arch = "x86_64")]
-            topology,
-        );
+        let srat = create_srat_table(numa_nodes);
         let srat_offset = prev_tbl_off.checked_add(prev_tbl_len).unwrap();
         guest_mem
             .write_slice(srat.as_slice(), srat_offset)
@@ -863,15 +851,8 @@ pub fn create_acpi_tables_tdx(
     // SRAT and SLIT
     // Only created if the NUMA nodes list is not empty.
     if !numa_nodes.is_empty() {
-        #[cfg(target_arch = "x86_64")]
-        let topology = cpu_manager.lock().unwrap().get_vcpu_topology();
-
         // SRAT
-        tables.push(create_srat_table(
-            numa_nodes,
-            #[cfg(target_arch = "x86_64")]
-            topology,
-        ));
+        tables.push(create_srat_table(numa_nodes));
 
         // SLIT
         tables.push(create_slit_table(numa_nodes));