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accel: Add Meson and config support for MSHV accelerator

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Introduce a Meson feature option and default-config entry to allow
building QEMU with MSHV (Microsoft Hypervisor) acceleration support.

This is the first step toward implementing an MSHV backend in QEMU.

Signed-off-by: Magnus Kulke <magnuskulke@linux.microsoft.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Link: https://lore.kernel.org/r/20250916164847.77883-2-magnuskulke@linux.microsoft.com
[Add error for unavailable accelerator. - Paolo]
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Magnus Kulke
2025-10-08 19:17:27 +02:00
committed by Paolo Bonzini
parent 6529f31e0d
commit 37e12da5df
4 changed files with 21 additions and 0 deletions
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scripts/meson-buildoptions.sh
+3
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@@ -154,6 +154,7 @@ meson_options_help() {
printf "%s\n" ' membarrier membarrier system call (for Linux 4.14+ or Windows'
printf "%s\n" ' modules modules support (non Windows)'
printf "%s\n" ' mpath Multipath persistent reservation passthrough'
printf "%s\n" ' mshv MSHV acceleration support'
printf "%s\n" ' multiprocess Out of process device emulation support'
printf "%s\n" ' netmap netmap network backend support'
printf "%s\n" ' nettle nettle cryptography support'
@@ -408,6 +409,8 @@ _meson_option_parse() {
--disable-modules) printf "%s" -Dmodules=disabled ;;
--enable-mpath) printf "%s" -Dmpath=enabled ;;
--disable-mpath) printf "%s" -Dmpath=disabled ;;
--enable-mshv) printf "%s" -Dmshv=enabled ;;
--disable-mshv) printf "%s" -Dmshv=disabled ;;
--enable-multiprocess) printf "%s" -Dmultiprocess=enabled ;;
--disable-multiprocess) printf "%s" -Dmultiprocess=disabled ;;
--enable-netmap) printf "%s" -Dnetmap=enabled ;;