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[Qemu-devel] [PATCH 09/22] target-i386: convert 'hv_spinlocks' feature i
From: |
Igor Mammedov |
Subject: |
[Qemu-devel] [PATCH 09/22] target-i386: convert 'hv_spinlocks' feature into property |
Date: |
Fri, 7 Sep 2012 22:54:58 +0200 |
Signed-off-by: Igor Mammedov <address@hidden>
---
target-i386/cpu.c | 31 +++++++++++++++++++++++++++++++
1 file changed, 31 insertions(+)
diff --git a/target-i386/cpu.c b/target-i386/cpu.c
index ae3bc9d..7d45c6c 100644
--- a/target-i386/cpu.c
+++ b/target-i386/cpu.c
@@ -1203,6 +1203,32 @@ static void x86_cpuid_set_tsc_freq(Object *obj, Visitor
*v, void *opaque,
cpu->env.tsc_khz = value / 1000;
}
+#if !defined(CONFIG_USER_ONLY)
+static void x86_get_hv_spinlocks(Object *obj, Visitor *v, void *opaque,
+ const char *name, Error **errp)
+{
+ int64_t value = hyperv_get_spinlock_retries();
+
+ visit_type_int(v, &value, name, errp);
+}
+
+static void x86_set_hv_spinlocks(Object *obj, Visitor *v, void *opaque,
+ const char *name, Error **errp)
+{
+ int64_t value;
+
+ visit_type_int(v, &value, name, errp);
+ if (error_is_set(errp)) {
+ return;
+ }
+ if (!value) {
+ error_set(errp, QERR_PROPERTY_VALUE_BAD, "", name, "0");
+ return;
+ }
+ hyperv_set_spinlock_retries(value);
+}
+#endif
+
static void cpudef_2_x86_cpu(X86CPU *cpu, x86_def_t *def, Error **errp)
{
CPUX86State *env = &cpu->env;
@@ -2034,6 +2060,11 @@ static void x86_cpu_initfn(Object *obj)
object_property_add(obj, "tsc-frequency", "int",
x86_cpuid_get_tsc_freq,
x86_cpuid_set_tsc_freq, NULL, NULL, NULL);
+#if !defined(CONFIG_USER_ONLY)
+ object_property_add(obj, "hv_spinlocks", "int",
+ x86_get_hv_spinlocks,
+ x86_set_hv_spinlocks, NULL, NULL, NULL);
+#endif
x86_register_cpuid_properties(obj, feature_name);
x86_register_cpuid_properties(obj, ext_feature_name);
x86_register_cpuid_properties(obj, ext2_feature_name);
--
1.7.11.4
- [Qemu-devel] [PATCH 12/22] target-i386: convert 'check' and 'enforce' features into properties, (continued)
[Qemu-devel] [PATCH 18/22] target-i386: parse cpu_model string into set of stringified properties, Igor Mammedov, 2012/09/07
[Qemu-devel] [PATCH 09/22] target-i386: convert 'hv_spinlocks' feature into property,
Igor Mammedov <=
[Qemu-devel] [PATCH 21/22] target-i386: move default init of cpuid_kvm_features bitmap into CPU initializer from cpudef, Igor Mammedov, 2012/09/07
[Qemu-devel] [PATCH 16/22] target-i386: use define for cpuid vendor string size, Igor Mammedov, 2012/09/07
Re: [Qemu-devel] [PATCH 00/22 v2] target-i386: convert CPU features into properties, Igor Mammedov, 2012/09/07
[Qemu-devel] [PATCH 11/22] target-i386: convert 'hv_vapic' feature into property, Igor Mammedov, 2012/09/07
[Qemu-devel] [PATCH 20/22] target-i386: move init of "hypervisor" feature into CPU initializer from cpudef, Igor Mammedov, 2012/09/07
[Qemu-devel] [PATCH 14/22] target-i386: use visit_type_hz to parse tsc_freq property value, Igor Mammedov, 2012/09/07
[Qemu-devel] [PATCH 22/22] target-i386: cleanup cpu_x86_find_by_name(), only fill x86_def_t in it, Igor Mammedov, 2012/09/07
[Qemu-devel] [PATCH 15/22] target-i386: introduce vendor-override property, Igor Mammedov, 2012/09/07