[RFC PATCH 05/10] accel/kvm: Support nr_planes call-back

["Jörg Rödel" <joro@8bytes.org>]

From: Joerg Roedel <joerg.roedel@amd.com>

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
---
 accel/kvm/kvm-all.c | 19 +++++++++++++++++++
 dtc                 |  1 +
 ui/keycodemapdb     |  1 +
 3 files changed, 21 insertions(+)
 create mode 160000 dtc
 create mode 160000 ui/keycodemapdb

diff --git a/accel/kvm/kvm-all.c b/accel/kvm/kvm-all.c
index 7429e2be8ba9..dbfef63a84b0 100644
--- a/accel/kvm/kvm-all.c
+++ b/accel/kvm/kvm-all.c
@@ -4247,6 +4247,24 @@ static bool kvm_accel_has_memory(AccelState *accel, AddressSpace *as,
     return false;
 }
 
+static uint8_t kvm_nr_planes(AccelState *accel, MachineState *ms)
+{
+    uint8_t nr_planes = 1;
+
+    // Planes are only supported with in-kernel APIC
+    if (kvm_irqchip_in_kernel()) {
+	    int ret;
+        KVMState *kvm = KVM_STATE(accel);
+
+        ret = kvm_vm_ioctl(kvm, KVM_CHECK_EXTENSION, KVM_CAP_PLANES);
+        if (ret > 0) {
+            nr_planes = ret;
+        }
+    }
+
+    return nr_planes;
+}
+
 static void kvm_get_kvm_shadow_mem(Object *obj, Visitor *v,
                                    const char *name, void *opaque,
                                    Error **errp)
@@ -4437,6 +4455,7 @@ static void kvm_accel_class_init(ObjectClass *oc, const void *data)
     ac->init_machine = kvm_init;
     ac->rebuild_guest = kvm_reset_vmfd;
     ac->has_memory = kvm_accel_has_memory;
+    ac->nr_planes = kvm_nr_planes;
     ac->allowed = &kvm_allowed;
     ac->gdbstub_supported_sstep_flags = kvm_gdbstub_sstep_flags;
 
diff --git a/dtc b/dtc
new file mode 160000
index 000000000000..b6910bec1161
--- /dev/null
+++ b/dtc
@@ -0,0 +1 @@
+Subproject commit b6910bec11614980a21e46fbccc35934b671bd81
diff --git a/ui/keycodemapdb b/ui/keycodemapdb
new file mode 160000
index 000000000000..d21009b1c9f9
--- /dev/null
+++ b/ui/keycodemapdb
@@ -0,0 +1 @@
+Subproject commit d21009b1c9f94b740ea66be8e48a1d8ad8124023
-- 
2.53.0