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

Vadim Rozenfeld
2011-10-09T18:53:06Z

---
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