From d661d9a42bdbe25013eac9bbf1341c159fade09a Mon Sep 17 00:00:00 2001 From: "Justin Terry (VM)" Date: Mon, 22 Jan 2018 13:07:46 -0800 Subject: [PATCH] Add the Windows Hypervisor Platform accelerator. Introduces the configure support for the new Windows Hypervisor Platform that allows for hypervisor acceleration from usermode components on the Windows platform. Signed-off-by: Justin Terry (VM) Message-Id: <1516655269-1785-2-git-send-email-juterry@microsoft.com> Signed-off-by: Paolo Bonzini --- configure | 48 +++++++++++++++++++++++++++++++++++++++++++++++- qemu-options.hx | 8 ++++---- 2 files changed, 51 insertions(+), 5 deletions(-) diff --git a/configure b/configure index 529aad5491..ba60205904 100755 --- a/configure +++ b/configure @@ -222,6 +222,17 @@ supported_hvf_target() { return 1 } +supported_whpx_target() { + test "$whpx" = "yes" || return 1 + glob "$1" "*-softmmu" || return 1 + case "${1%-softmmu}" in + i386|x86_64) + return 0 + ;; + esac + return 1 +} + supported_target() { case "$1" in *-softmmu) @@ -248,6 +259,7 @@ supported_target() { supported_xen_target "$1" && return 0 supported_hax_target "$1" && return 0 supported_hvf_target "$1" && return 0 + supported_whpx_target "$1" && return 0 print_error "TCG disabled, but hardware accelerator not available for '$target'" return 1 } @@ -338,6 +350,7 @@ vhost_user="" kvm="no" hax="no" hvf="no" +whpx="no" rdma="" gprof="no" debug_tcg="no" @@ -1058,6 +1071,10 @@ for opt do ;; --enable-hvf) hvf="yes" ;; + --disable-whpx) whpx="no" + ;; + --enable-whpx) whpx="yes" + ;; --disable-tcg-interpreter) tcg_interpreter="no" ;; --enable-tcg-interpreter) tcg_interpreter="yes" @@ -1557,6 +1574,7 @@ disabled with --disable-FEATURE, default is enabled if available: kvm KVM acceleration support hax HAX acceleration support hvf Hypervisor.framework acceleration support + whpx Windows Hypervisor Platform acceleration support rdma RDMA-based migration support vde support for vde network netmap support for netmap network @@ -2455,6 +2473,30 @@ if test "$xen_pv_domain_build" = "yes" && "which requires Xen support." fi +########################################## +# Windows Hypervisor Platform accelerator (WHPX) check +if test "$whpx" != "no" ; then + cat > $TMPC << EOF +#include +#include +#include +int main(void) { + WHV_CAPABILITY whpx_cap; + WHvGetCapability(WHvCapabilityCodeFeatures, &whpx_cap, sizeof(whpx_cap)); + return 0; +} +EOF + if compile_prog "" "-lwinhvplatform -lwinhvemulation" ; then + libs_softmmu="$libs_softmmu -lwinhvplatform -lwinhvemulation" + whpx="yes" + else + if test "$whpx" = "yes"; then + feature_not_found "winhvplatform" "winhvemulation is not installed" + fi + whpx="no" + fi +fi + ########################################## # Sparse probe if test "$sparse" != "no" ; then @@ -5648,6 +5690,7 @@ echo "Install blobs $blobs" echo "KVM support $kvm" echo "HAX support $hax" echo "HVF support $hvf" +echo "WHPX support $whpx" echo "TCG support $tcg" if test "$tcg" = "yes" ; then echo "TCG debug enabled $debug_tcg" @@ -5815,7 +5858,7 @@ if test "$mingw32" = "yes" ; then echo "CONFIG_QGA_NTDDDISK=y" >> $config_host_mak fi if test "$guest_agent_msi" = "yes"; then - echo "QEMU_GA_MSI_ENABLED=yes" >> $config_host_mak + echo "QEMU_GA_MSI_ENABLED=yes" >> $config_host_mak echo "QEMU_GA_MSI_MINGW_DLL_PATH=${QEMU_GA_MSI_MINGW_DLL_PATH}" >> $config_host_mak echo "QEMU_GA_MSI_WITH_VSS=${QEMU_GA_MSI_WITH_VSS}" >> $config_host_mak echo "QEMU_GA_MSI_ARCH=${QEMU_GA_MSI_ARCH}" >> $config_host_mak @@ -6748,6 +6791,9 @@ fi if supported_hvf_target $target; then echo "CONFIG_HVF=y" >> $config_target_mak fi +if supported_whpx_target $target; then + echo "CONFIG_WHPX=y" >> $config_target_mak +fi if test "$target_bigendian" = "yes" ; then echo "TARGET_WORDS_BIGENDIAN=y" >> $config_target_mak fi diff --git a/qemu-options.hx b/qemu-options.hx index 265cf9fa38..d15c1713d1 100644 --- a/qemu-options.hx +++ b/qemu-options.hx @@ -31,7 +31,7 @@ DEF("machine", HAS_ARG, QEMU_OPTION_machine, \ "-machine [type=]name[,prop[=value][,...]]\n" " selects emulated machine ('-machine help' for list)\n" " property accel=accel1[:accel2[:...]] selects accelerator\n" - " supported accelerators are kvm, xen, hax, hvf or tcg (default: tcg)\n" + " supported accelerators are kvm, xen, hax, hvf, whpx or tcg (default: tcg)\n" " kernel_irqchip=on|off|split controls accelerated irqchip support (default=off)\n" " vmport=on|off|auto controls emulation of vmport (default: auto)\n" " kvm_shadow_mem=size of KVM shadow MMU in bytes\n" @@ -66,7 +66,7 @@ Supported machine properties are: @table @option @item accel=@var{accels1}[:@var{accels2}[:...]] This is used to enable an accelerator. Depending on the target architecture, -kvm, xen, hax, hvf or tcg can be available. By default, tcg is used. If there is +kvm, xen, hax, hvf, whpx or tcg can be available. By default, tcg is used. If there is more than one accelerator specified, the next one is used if the previous one fails to initialize. @item kernel_irqchip=on|off @@ -126,13 +126,13 @@ ETEXI DEF("accel", HAS_ARG, QEMU_OPTION_accel, "-accel [accel=]accelerator[,thread=single|multi]\n" - " select accelerator (kvm, xen, hax, hvf or tcg; use 'help' for a list)\n" + " select accelerator (kvm, xen, hax, hvf, whpx or tcg; use 'help' for a list)\n" " thread=single|multi (enable multi-threaded TCG)", QEMU_ARCH_ALL) STEXI @item -accel @var{name}[,prop=@var{value}[,...]] @findex -accel This is used to enable an accelerator. Depending on the target architecture, -kvm, xen, hax, hvf or tcg can be available. By default, tcg is used. If there is +kvm, xen, hax, hvf, whpx or tcg can be available. By default, tcg is used. If there is more than one accelerator specified, the next one is used if the previous one fails to initialize. @table @option