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-rw-r--r--qemu-options.hx8
1 files changed, 7 insertions, 1 deletions
diff --git a/qemu-options.hx b/qemu-options.hx
index 1912b19cb8..ab5cd845bd 100644
--- a/qemu-options.hx
+++ b/qemu-options.hx
@@ -190,7 +190,8 @@ DEF("accel", HAS_ARG, QEMU_OPTION_accel,
     "                dirty-ring-size=n (KVM dirty ring GFN count, default 0)\n"
     "                eager-split-size=n (KVM Eager Page Split chunk size, default 0, disabled. ARM only)\n"
     "                notify-vmexit=run|internal-error|disable,notify-window=n (enable notify VM exit and set notify window, x86 only)\n"
-    "                thread=single|multi (enable multi-threaded TCG)\n", QEMU_ARCH_ALL)
+    "                thread=single|multi (enable multi-threaded TCG)\n"
+    "                device=path (KVM device path, default /dev/kvm)\n", QEMU_ARCH_ALL)
 SRST
 ``-accel name[,prop=value[,...]]``
     This is used to enable an accelerator. Depending on the target
@@ -271,6 +272,11 @@ SRST
         open up for a specified of time (i.e. notify-window).
         Default: notify-vmexit=run,notify-window=0.
 
+    ``device=path``
+        Sets the path to the KVM device node. Defaults to ``/dev/kvm``. This
+        option can be used to pass the KVM device to use via a file descriptor
+        by setting the value to ``/dev/fdset/NN``.
+
 ERST
 
 DEF("smp", HAS_ARG, QEMU_OPTION_smp,