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target-i386: Convert 'hv_spinlocks' to static property 

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
master
Igor Mammedov 2013-06-04 15:05:25 +02:00 committed by Andreas Färber
parent 0f46685d1b
commit c8f0f88e2a
1 changed files with 44 additions and 1 deletions
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45
target-i386/cpu.c
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@ -1596,6 +1596,46 @@ static void x86_cpu_get_feature_words(Object *obj, Visitor *v, void *opaque,
error_propagate(errp, err);
}
static void x86_get_hv_spinlocks(Object *obj, Visitor *v, void *opaque,
const char *name, Error **errp)
{
X86CPU *cpu = X86_CPU(obj);
int64_t value = cpu->hyperv_spinlock_attempts;
visit_type_int(v, &value, name, errp);
}
static void x86_set_hv_spinlocks(Object *obj, Visitor *v, void *opaque,
const char *name, Error **errp)
{
const int64_t min = 0xFFF;
const int64_t max = UINT_MAX;
X86CPU *cpu = X86_CPU(obj);
Error *err = NULL;
int64_t value;
visit_type_int(v, &value, name, &err);
if (err) {
error_propagate(errp, err);
return;
}
if (value < min || value > max) {
error_setg(errp, "Property %s.%s doesn't take value %" PRId64
" (minimum: %" PRId64 ", maximum: %" PRId64 ")",
object_get_typename(obj), name ? name : "null",
value, min, max);
return;
}
cpu->hyperv_spinlock_attempts = value;
}
static PropertyInfo qdev_prop_spinlocks = {
.name = "int",
.get = x86_get_hv_spinlocks,
.set = x86_set_hv_spinlocks,
};
static int cpu_x86_find_by_name(X86CPU *cpu, x86_def_t *x86_cpu_def,
const char *name)
{
@ -1713,6 +1753,7 @@ static void cpu_x86_parse_featurestr(X86CPU *cpu, char *features, Error **errp)
} else if (!strcmp(featurestr, "hv-spinlocks")) {
char *err;
const int min = 0xFFF;
char num[32];
numvalue = strtoul(val, &err, 0);
if (!*val || *err) {
error_setg(errp, "bad numerical value %s", val);
@ -1724,7 +1765,8 @@ static void cpu_x86_parse_featurestr(X86CPU *cpu, char *features, Error **errp)
min);
numvalue = min;
}
cpu->hyperv_spinlock_attempts = numvalue;
snprintf(num, sizeof(num), "%" PRId32, numvalue);
object_property_parse(OBJECT(cpu), num, featurestr, errp);
} else {
error_setg(errp, "unrecognized feature %s", featurestr);
goto out;
@ -2726,6 +2768,7 @@ static void x86_cpu_synchronize_from_tb(CPUState *cs, TranslationBlock *tb)
static Property x86_cpu_properties[] = {
DEFINE_PROP_BOOL("pmu", X86CPU, enable_pmu, false),
{ .name = "hv-spinlocks", .info = &qdev_prop_spinlocks },
DEFINE_PROP_BOOL("hv-relaxed", X86CPU, hyperv_relaxed_timing, false),
DEFINE_PROP_BOOL("hv-vapic", X86CPU, hyperv_vapic, false),
DEFINE_PROP_END_OF_LIST()