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[Qemu-devel] [RFC 08/20] target-i386: convert 'hv_spinlocks' feature int
From: |
Igor Mammedov |
Subject: |
[Qemu-devel] [RFC 08/20] target-i386: convert 'hv_spinlocks' feature into property |
Date: |
Fri, 10 Aug 2012 13:22:24 +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 4b22598..fb98bbd 100644
--- a/target-i386/cpu.c
+++ b/target-i386/cpu.c
@@ -964,6 +964,32 @@ 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;
@@ -1898,6 +1924,11 @@ 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);
--
1.7.11.2
- [Qemu-devel] [RFC 03/20] target-i386: if x86_cpu_realize() failed report error and do cleanup, (continued)
- [Qemu-devel] [RFC 03/20] target-i386: if x86_cpu_realize() failed report error and do cleanup, Igor Mammedov, 2012/08/10
- [Qemu-devel] [RFC 04/20] target-i386: filter out not TCG features if running without kvm at realize time, Igor Mammedov, 2012/08/10
- [Qemu-devel] [RFC 05/20] target-i386: move out CPU features initialization in separate func, Igor Mammedov, 2012/08/10
- [Qemu-devel] [RFC 06/20] target-i386: xlevel should be more than 0x80000000, move fixup into setter, Igor Mammedov, 2012/08/10
- [Qemu-devel] [RFC 07/20] target-i386: convert cpuid features into properties, Igor Mammedov, 2012/08/10
- [Qemu-devel] [RFC 08/20] target-i386: convert 'hv_spinlocks' feature into property,
Igor Mammedov <=
- [Qemu-devel] [RFC 09/20] target-i386: convert 'hv_relaxed' feature into property, Igor Mammedov, 2012/08/10
- [Qemu-devel] [RFC 11/20] target-i386: convert 'check' and 'enforce' features into properties, Igor Mammedov, 2012/08/10
[Qemu-devel] [RFC 10/20] target-i386: convert 'hv_vapic' feature into property, Igor Mammedov, 2012/08/10
[Qemu-devel] [RFC 12/20] add visitor for parsing hz[KMG] input string, Igor Mammedov, 2012/08/10