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[Qemu-devel] [PATCH v4 05/17] target-i386: Add x86_set_hyperv.
From: |
Don Slutz |
Subject: |
[Qemu-devel] [PATCH v4 05/17] target-i386: Add x86_set_hyperv. |
Date: |
Thu, 20 Sep 2012 16:03:20 -0400 |
This is used to set the cpu object's hypervisor level to the default for
Microsoft's Hypervisor.
HYPERV_CPUID_MIN (0x40000005) is defined in a linux header file.
CPUID_HV_LEVEL_HYPERV (0x40000005) is used instead.
Signed-off-by: Don Slutz <address@hidden>
---
target-i386/cpu.c | 10 ++++++++++
target-i386/cpu.h | 2 ++
2 files changed, 12 insertions(+), 0 deletions(-)
diff --git a/target-i386/cpu.c b/target-i386/cpu.c
index 0e4a18d..6aeb194 100644
--- a/target-i386/cpu.c
+++ b/target-i386/cpu.c
@@ -1192,6 +1192,13 @@ 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)
+{
+ X86CPU *cpu = X86_CPU(obj);
+
+ cpu->env.cpuid_hv_level = CPUID_HV_LEVEL_HYPERV;
+}
+
static void x86_get_hv_spinlocks(Object *obj, Visitor *v, void *opaque,
const char *name, Error **errp)
{
@@ -1214,6 +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,
@@ -1234,6 +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,
@@ -1254,6 +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 05c0848..7fc7906 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
- [Qemu-devel] [PATCH v4 00/17] Allow changing of Hypervisor CPUIDs., Don Slutz, 2012/09/20
- [Qemu-devel] [PATCH v4 06/17] target-i386: Use Hypervisor level in -machine pc, accel=kvm., Don Slutz, 2012/09/20
- [Qemu-devel] [PATCH v4 07/17] target-i386: Use Hypervisor level in -machine pc, accel=tcg., Don Slutz, 2012/09/20
- [Qemu-devel] [PATCH v4 08/17] target-i386: Add Hypervisor vendor., Don Slutz, 2012/09/20
- [Qemu-devel] [PATCH v4 10/17] target-i386: Use Hypervisor vendor in -machine pc, accel=kvm., Don Slutz, 2012/09/20
- [Qemu-devel] [PATCH v4 17/17] target-i386: Use Hypervisor leaf extra in -machine pc, accel=tcg., Don Slutz, 2012/09/20
- [Qemu-devel] [PATCH v4 16/17] target-i386: Use Hypervisor leaf extra in -machine pc, accel=kvm., Don Slutz, 2012/09/20