diff --git a/Cargo.lock b/Cargo.lock index 02f44158b..855370d7b 100644 --- a/Cargo.lock +++ b/Cargo.lock @@ -154,7 +154,7 @@ dependencies = [ [[package]] name = "cloud-hypervisor" -version = "27.0.0" +version = "28.0.0" dependencies = [ "anyhow", "api_client", diff --git a/Cargo.toml b/Cargo.toml index 9ae20c019..3e5eb7780 100644 --- a/Cargo.toml +++ b/Cargo.toml @@ -1,6 +1,6 @@ [package] name = "cloud-hypervisor" -version = "27.0.0" +version = "28.0.0" authors = ["The Cloud Hypervisor Authors"] edition = "2021" default-run = "cloud-hypervisor" diff --git a/release-notes.md b/release-notes.md index 3d32cfcc4..885fecef6 100644 --- a/release-notes.md +++ b/release-notes.md @@ -1,3 +1,12 @@ +- [v28.0](#v280) + - [Community Engagement (Reminder)](#community-engagement-reminder) + - [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) + - [Removals](#removals) + - [Contributors](#contributors) - [v27.0](#v270) - [Community Engagement](#community-engagement) - [Prebuilt Packages](#prebuilt-packages) @@ -6,41 +15,41 @@ - [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) + - [Notable Bug Fixes](#notable-bug-fixes-1) - [Deprecations](#deprecations) - - [Contributors](#contributors) + - [Contributors](#contributors-1) - [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-1) + - [Notable Bug Fixes](#notable-bug-fixes-2) - [Deprecations](#deprecations-1) - - [Removals](#removals) - - [Contributors](#contributors-1) + - [Removals](#removals-1) + - [Contributors](#contributors-2) - [v25.0](#v250) - [`ch-remote` Improvements](#ch-remote-improvements) - [VM "Coredump" Support](#vm-coredump-support) - - [Notable Bug Fixes](#notable-bug-fixes-2) - - [Removals](#removals-1) - - [Contributors](#contributors-2) + - [Notable Bug Fixes](#notable-bug-fixes-3) + - [Removals](#removals-2) + - [Contributors](#contributors-3) - [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-3) + - [Notable Bug Fixes](#notable-bug-fixes-4) - [Notable Improvements](#notable-improvements) - [Deprecations](#deprecations-2) - [New on the Website](#new-on-the-website) - - [Contributors](#contributors-3) + - [Contributors](#contributors-4) - [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-4) + - [Notable Bug Fixes](#notable-bug-fixes-5) - [Deprecations](#deprecations-3) - - [Contributors](#contributors-4) + - [Contributors](#contributors-5) - [v22.1](#v221) - [v22.0](#v220) - [GDB Debug Stub Support](#gdb-debug-stub-support) @@ -51,13 +60,13 @@ - [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-5) - - [Contributors](#contributors-5) + - [Notable Bug Fixes](#notable-bug-fixes-6) + - [Contributors](#contributors-6) - [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-6) - - [Contributors](#contributors-6) + - [Notable Bug fixes](#notable-bug-fixes-7) + - [Contributors](#contributors-7) - [v20.2](#v202) - [v20.1](#v201) - [v20.0](#v200) @@ -66,8 +75,8 @@ - [Improved VFIO support](#improved-vfio-support) - [Safer code](#safer-code) - [Extended documentation](#extended-documentation) - - [Notable bug fixes](#notable-bug-fixes-7) - - [Contributors](#contributors-7) + - [Notable bug fixes](#notable-bug-fixes-8) + - [Contributors](#contributors-8) - [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) @@ -75,8 +84,8 @@ - [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-8) - - [Contributors](#contributors-8) + - [Notable bug fixes](#notable-bug-fixes-9) + - [Contributors](#contributors-9) - [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) @@ -86,23 +95,23 @@ - [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-9) - - [Contributors](#contributors-9) + - [Notable bug fixes](#notable-bug-fixes-10) + - [Contributors](#contributors-10) - [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-10) - - [Contributors](#contributors-10) + - [Notable bug fixes](#notable-bug-fixes-11) + - [Contributors](#contributors-11) - [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-11) + - [Notable bug fixes](#notable-bug-fixes-12) - [Removed functionality](#removed-functionality) - - [Contributors](#contributors-11) + - [Contributors](#contributors-12) - [v15.0](#v150) - [Version numbering and stability guarantees](#version-numbering-and-stability-guarantees) - [Network device rate limiting](#network-device-rate-limiting) @@ -110,7 +119,7 @@ - [`--api-socket` supports file descriptor parameter](#--api-socket-supports-file-descriptor-parameter) - [Bug fixes](#bug-fixes) - [Deprecations](#deprecations-4) - - [Contributors](#contributors-12) + - [Contributors](#contributors-13) - [v0.14.1](#v0141) - [v0.14.0](#v0140) - [Structured event monitoring](#structured-event-monitoring) @@ -120,7 +129,7 @@ - [PTY control for serial and `virtio-console`](#pty-control-for-serial-and-virtio-console) - [Block device rate limiting](#block-device-rate-limiting) - [Deprecations](#deprecations-5) - - [Contributors](#contributors-13) + - [Contributors](#contributors-14) - [v0.13.0](#v0130) - [Wider VFIO device support](#wider-vfio-device-support) - [Improved huge page support](#improved-huge-page-support) @@ -128,13 +137,13 @@ - [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-14) + - [Contributors](#contributors-15) - [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-15) + - [Contributors](#contributors-16) - [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) @@ -146,15 +155,15 @@ - [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-12) - - [Contributors](#contributors-16) + - [Notable Bug Fixes](#notable-bug-fixes-13) + - [Contributors](#contributors-17) - [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-13) - - [Contributors](#contributors-17) + - [Notable Bug Fixes](#notable-bug-fixes-14) + - [Contributors](#contributors-18) - [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) @@ -167,17 +176,17 @@ - [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-14) - - [Contributors](#contributors-18) + - [Notable Bug Fixes](#notable-bug-fixes-15) + - [Contributors](#contributors-19) - [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-15) + - [Notable Bug Fixes](#notable-bug-fixes-16) - [Command Line and API Changes](#command-line-and-api-changes) - - [Contributors](#contributors-19) + - [Contributors](#contributors-20) - [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) @@ -187,14 +196,14 @@ - [`Seccomp` Sandboxing](#seccomp-sandboxing) - [Updated Distribution Support](#updated-distribution-support) - [Command Line and API Changes](#command-line-and-api-changes-1) - - [Contributors](#contributors-20) + - [Contributors](#contributors-21) - [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-21) + - [Contributors](#contributors-22) - [v0.5.1](#v051) - [v0.5.0](#v050) - [Virtual Machine Dynamic Resizing](#virtual-machine-dynamic-resizing) @@ -202,7 +211,7 @@ - [New Interrupt Management Framework](#new-interrupt-management-framework) - [Development Tools](#development-tools) - [Kata Containers Integration](#kata-containers-integration) - - [Contributors](#contributors-22) + - [Contributors](#contributors-23) - [v0.4.0](#v040) - [Dynamic virtual CPUs addition](#dynamic-virtual-cpus-addition) - [Programmatic firmware tables generation](#programmatic-firmware-tables-generation) @@ -211,7 +220,7 @@ - [Userspace IOAPIC by default](#userspace-ioapic-by-default) - [PCI BAR reprogramming](#pci-bar-reprogramming) - [New `cloud-hypervisor` organization](#new-cloud-hypervisor-organization) - - [Contributors](#contributors-23) + - [Contributors](#contributors-24) - [v0.3.0](#v030) - [Block device offloading](#block-device-offloading) - [Network device backend](#network-device-backend) @@ -238,6 +247,82 @@ - [Unit testing](#unit-testing) - [Integration tests parallelization](#integration-tests-parallelization) +# v28.0 + +This release has been tracked in our new [roadmap +project](https://github.com/orgs/cloud-hypervisor/projects/6) as iteration +v28.0. + +### Community Engagement (Reminder) + +Just a reminder that we have a new mailing list to support broader community +discussions. Please consider +[subscribing](https://lists.cloudhypervisor.org/g/dev/). We plan to use +this to announce a regular meeting for those interested in talking about Cloud +Hypervisor development. + +### Long Term Support (LTS) Release + +This is the first version of Cloud Hypervisor to be released under the LTS +release process. 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. + +### Virtualised TPM Support + +Support for adding an emulated CRB TPM has been added. This has it's own [TPM +documentation](docs/tpm.md). + +### Transparent Huge Page Support + +By default, but controllable through `--memory thp=off` if it possible to back +the guest memory with Transparent Huge Pages (no file backing/`shared=off`) +then this will be used resulting in improved boot performance. + +### README Quick Start Improved + +The README has been refreshed with the quick start guide updated to reflect the +different firmware options and to recommend the use of pre-built binaries. + +### Notable Bug Fixes + +* Inappropriate Copy-on-Write of pinned pages (e.g. VFIO) leading to higher + memory consumption (#4835) +* Multiple `virtio` device bug fixes found through fuzzing (#4859, #4799) +* Large QCOW files (> 4TiB) are now supported (#4767) +* Support for > 31 vCPUS on aarch64 (#4863) +* Multiple fixes to OpenAPI specification file (#4720, #4811) +* Programming of the MSI-X table has been optimised leading to faster boot on + newer Linux kernels (#4744) +* Error on reboot from race to close TAP devices (#4871) +* Non-spec compliant virtio-block read-only support (#4888) + +### Removals + +The following functionality has been removed: + +* Support for non-PVH firmware booting has been removed (#4511) +* I/O ports used for older versions of firmware have been removed (#3926) +* Deprecated API options for kernel/cmdline/initramfs have been removed (#4737) + +### Contributors + +Many thanks to everyone who has contributed to our release: + +* Anatol Belski +* Bo Chen +* Fabiano Fidêncio +* Jianyong Wu +* Jinank Jain +* Jinrong Liang +* lv.mengzhao +* Michael Zhao +* Muminul Islam +* Praveen K Paladugu +* Rob Bradford +* Sebastien Boeuf +* Wei Liu + # v27.0 This release has been tracked in our new [roadmap diff --git a/vm-migration/src/lib.rs b/vm-migration/src/lib.rs index 4826f4c5e..73848348b 100644 --- a/vm-migration/src/lib.rs +++ b/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 = 27; +const MAJOR_VERSION: u16 = 28; const MINOR_VERSION: u16 = 0; const VMM_VERSION: u16 = MAJOR_VERSION << 12 | MINOR_VERSION & 0b1111;