[PATCH v6 04/16] target-i386: Add x86_set_hyperv.

Don Slutz
2012-09-24T14:32:38Z

This is used to set the cpu object's hypervisor level to the default for Microsoft's Hypervisor.

Signed-off-by: Don Slutz <Don@CloudSwitch.com>
---
target-i386/cpu.c | 9 +++++++++
target-i386/cpu.h | 2 ++
2 files changed, 11 insertions(+), 0 deletions(-)

diff --git a/target-i386/cpu.c b/target-i386/cpu.c
index 451de12..48bdaf9 100644
--- a/target-i386/cpu.c
+++ b/target-i386/cpu.c
@@ -1193,6 +1193,12 @@ static void x86_cpuid_set_hv_level(Object *obj, Visitor *v, void *opaque,
}

#if !defined(CONFIG_USER_ONLY)
+static void x86_set_hyperv(Object *obj, Error **errp)
+{
+ object_property_set_int(obj, CPUID_HV_LEVEL_HYPERV,
+ "hypervisor-level", errp);
+}
+
static void x86_get_hv_spinlocks(Object *obj, Visitor *v, void *opaque,
const char *name, Error **errp)
{
@@ -1215,6 +1221,7 @@ static void x86_set_hv_spinlocks(Object *obj, Visitor *v, void *opaque,
return;
}
hyperv_set_spinlock_retries(value);
+ x86_set_hyperv(obj, errp);
}

static void x86_get_hv_relaxed(Object *obj, Visitor *v, void *opaque,
@@ -1235,6 +1242,7 @@ static void x86_set_hv_relaxed(Object *obj, Visitor *v, void *opaque,
return;
}
hyperv_enable_relaxed_timing(value);
+ x86_set_hyperv(obj, errp);
}

static void x86_get_hv_vapic(Object *obj, Visitor *v, void *opaque,
@@ -1255,6 +1263,7 @@ static void x86_set_hv_vapic(Object *obj, Visitor *v, void *opaque,
return;
}
hyperv_enable_vapic_recommended(value);
+ x86_set_hyperv(obj, errp);
}
#endif

diff --git a/target-i386/cpu.h b/target-i386/cpu.h
index 1899f69..3152a4e 100644
--- a/target-i386/cpu.h
+++ b/target-i386/cpu.h
@@ -488,6 +488,8 @@

#define CPUID_VENDOR_VIA "CentaurHauls"

+#define CPUID_HV_LEVEL_HYPERV 0x40000005
+
#define CPUID_MWAIT_IBE (1 << 1) /* Interrupts can exit capability */
#define CPUID_MWAIT_EMX (1 << 0) /* enumeration supported */

--
1.7.1