[RFC PATCH 1/7] [hyper-v] Add hyper-v parameters block.

[Vadim Rozenfeld <vrozenfe@redhat.com>]

---
 qemu-options.hx |   23 +++++++++++++++++++++++
 vl.c            |    2 ++
 2 files changed, 25 insertions(+), 0 deletions(-)

diff --git a/qemu-options.hx b/qemu-options.hx
index 3a13533..9f60059 100644
--- a/qemu-options.hx
+++ b/qemu-options.hx
@@ -2483,6 +2483,29 @@ DEF("kvm-shadow-memory", HAS_ARG, QEMU_OPTION_kvm_shadow_memory,
     "                allocate MEGABYTES for kvm mmu shadowing\n",
     QEMU_ARCH_I386)
 
+DEF("hyperv", HAS_ARG, QEMU_OPTION_hyperv,
+    "-hyperv [vapic=on|off][,spinlock=retries][,wd=on|off]\n"
+    "                enable Hyper-V Enlightenment\n",
+        QEMU_ARCH_ALL)
+STEXI
+@item -hyperv 
+@findex -hyperv
+@item vapic=@var{vapic}
+@var{vapic} is "on" or "off" and allows for using virtual APIC.
+Default is "off".
+@findex vapic
+@item spinlock=@var{spinlock}
+@var{spinlock} is a recommended number of attempts to retry
+a spinlock failure befor notifying the hypervisor.
+Default is 0xFFFFFFFF (never to retry).
+@findex spinlock
+:@item wd=@var{wd}
+@var{wd} is "on" or "off" and recommends using relaxed timing.
+Default is "off"
+@findex wd
+Simulate Hyper-V Enlightenment. Disable by default.
+ETEXI
+
 HXCOMM This is the last statement. Insert new options before this line!
 STEXI
 @end table
diff --git a/vl.c b/vl.c
index b0358e9..a6d1fc0 100644
--- a/vl.c
+++ b/vl.c
@@ -3185,6 +3185,8 @@ int main(int argc, char **argv, char **envp)
                     fclose(fp);
                     break;
                 }
+            case QEMU_OPTION_hyperv:
+                break;
             default:
                 os_parse_cmd_args(popt->index, optarg);
             }
-- 
1.7.4.4