aboutsummaryrefslogtreecommitdiff
path: root/target/i386/kvm/kvm.c
diff options
context:
space:
mode:
authorDavid Woodhouse <dwmw@amazon.co.uk>2022-12-16 16:27:00 +0000
committerDavid Woodhouse <dwmw@amazon.co.uk>2023-03-01 09:07:52 +0000
commit6f43f2ee49568f067b15c31372bb8116e1cb0182 (patch)
tree14a7e420ef8a2ff470eb8bfe660dcb9b268f8ab3 /target/i386/kvm/kvm.c
parent2aff696b10d16ef09dc5a2c953ceccbf6d38f744 (diff)
kvm/i386: Add xen-gnttab-max-frames property
Signed-off-by: David Woodhouse <dwmw@amazon.co.uk> Reviewed-by: Paul Durrant <paul@xen.org>
Diffstat (limited to 'target/i386/kvm/kvm.c')
-rw-r--r--target/i386/kvm/kvm.c34
1 files changed, 34 insertions, 0 deletions
diff --git a/target/i386/kvm/kvm.c b/target/i386/kvm/kvm.c
index 3c3795506d..a73c49aabb 100644
--- a/target/i386/kvm/kvm.c
+++ b/target/i386/kvm/kvm.c
@@ -5880,6 +5880,33 @@ static void kvm_arch_set_xen_version(Object *obj, Visitor *v,
}
}
+static void kvm_arch_get_xen_gnttab_max_frames(Object *obj, Visitor *v,
+ const char *name, void *opaque,
+ Error **errp)
+{
+ KVMState *s = KVM_STATE(obj);
+ uint16_t value = s->xen_gnttab_max_frames;
+
+ visit_type_uint16(v, name, &value, errp);
+}
+
+static void kvm_arch_set_xen_gnttab_max_frames(Object *obj, Visitor *v,
+ const char *name, void *opaque,
+ Error **errp)
+{
+ KVMState *s = KVM_STATE(obj);
+ Error *error = NULL;
+ uint16_t value;
+
+ visit_type_uint16(v, name, &value, &error);
+ if (error) {
+ error_propagate(errp, error);
+ return;
+ }
+
+ s->xen_gnttab_max_frames = value;
+}
+
void kvm_arch_accel_class_init(ObjectClass *oc)
{
object_class_property_add_enum(oc, "notify-vmexit", "NotifyVMexitOption",
@@ -5905,6 +5932,13 @@ void kvm_arch_accel_class_init(ObjectClass *oc)
"Xen version to be emulated "
"(in XENVER_version form "
"e.g. 0x4000a for 4.10)");
+
+ object_class_property_add(oc, "xen-gnttab-max-frames", "uint16",
+ kvm_arch_get_xen_gnttab_max_frames,
+ kvm_arch_set_xen_gnttab_max_frames,
+ NULL, NULL);
+ object_class_property_set_description(oc, "xen-gnttab-max-frames",
+ "Maximum number of grant table frames");
}
void kvm_set_max_apic_id(uint32_t max_apic_id)