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-rw-r--r--qemu-options.hx5
1 files changed, 4 insertions, 1 deletions
diff --git a/qemu-options.hx b/qemu-options.hx
index c573dd8893..92b4da6427 100644
--- a/qemu-options.hx
+++ b/qemu-options.hx
@@ -35,7 +35,8 @@ DEF("machine", HAS_ARG, QEMU_OPTION_machine, \
" kernel_irqchip=on|off controls accelerated irqchip support\n"
" kvm_shadow_mem=size of KVM shadow MMU\n"
" dump-guest-core=on|off include guest memory in a core dump (default=on)\n"
- " mem-merge=on|off controls memory merge support (default: on)\n",
+ " mem-merge=on|off controls memory merge support (default: on)\n"
+ " iommu=on|off controls emulated Intel IOMMU (VT-d) support (default=off)\n",
QEMU_ARCH_ALL)
STEXI
@item -machine [type=]@var{name}[,prop=@var{value}[,...]]
@@ -58,6 +59,8 @@ Include guest memory in a core dump. The default is on.
Enables or disables memory merge support. This feature, when supported by
the host, de-duplicates identical memory pages among VMs instances
(enabled by default).
+@item iommu=on|off
+Enables or disables emulated Intel IOMMU (VT-d) support. The default is off.
@end table
ETEXI