char: move front end handlers in CharBackend

[qemu.git] / hw / intc / arm_gic_kvm.c

diff --git a/hw/intc/arm_gic_kvm.c b/hw/intc/arm_gic_kvm.c
index e8b238690866f38b3603491b29ca6989144136fc..11729ee9024fd3ad941db7a8cd4a4eef6d6b63aa 100644 (file)
--- a/hw/intc/arm_gic_kvm.c
+++ b/hw/intc/arm_gic_kvm.c
@@ -19,26 +19,17 @@
  * with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
+#include "qemu/osdep.h"
+#include "qapi/error.h"
+#include "qemu-common.h"
+#include "cpu.h"
 #include "hw/sysbus.h"
+#include "migration/migration.h"
 #include "sysemu/kvm.h"
 #include "kvm_arm.h"
 #include "gic_internal.h"
 #include "vgic_common.h"
 
-//#define DEBUG_GIC_KVM
-
-#ifdef DEBUG_GIC_KVM
-static const int debug_gic_kvm = 1;
-#else
-static const int debug_gic_kvm = 0;
-#endif
-
-#define DPRINTF(fmt, ...) do { \
-        if (debug_gic_kvm) { \
-            printf("arm_gic: " fmt , ## __VA_ARGS__); \
-        } \
-    } while (0)
-
 #define TYPE_KVM_ARM_GIC "kvm-arm-gic"
 #define KVM_ARM_GIC(obj) \
      OBJECT_CHECK(GICState, (obj), TYPE_KVM_ARM_GIC)
@@ -307,11 +298,6 @@ static void kvm_arm_gic_put(GICState *s)
     int num_cpu;
     int num_irq;
 
-    if (!kvm_arm_gic_can_save_restore(s)) {
-            DPRINTF("Cannot put kernel gic state, no kernel interface");
-            return;
-    }
-
     /* Note: We do the restore in a slightly different order than the save
      * (where the order doesn't matter and is simply ordered according to the
      * register offset values */
@@ -411,11 +397,6 @@ static void kvm_arm_gic_get(GICState *s)
     int i;
     int cpu;
 
-    if (!kvm_arm_gic_can_save_restore(s)) {
-            DPRINTF("Cannot get kernel gic state, no kernel interface");
-            return;
-    }
-
     /*****************************************************************
      * Distributor State
      */
@@ -503,7 +484,10 @@ static void kvm_arm_gic_reset(DeviceState *dev)
     KVMARMGICClass *kgc = KVM_ARM_GIC_GET_CLASS(s);
 
     kgc->parent_reset(dev);
-    kvm_arm_gic_put(s);
+
+    if (kvm_arm_gic_can_save_restore(s)) {
+        kvm_arm_gic_put(s);
+    }
 }
 
 static void kvm_arm_gic_realize(DeviceState *dev, Error **errp)
@@ -573,6 +557,24 @@ static void kvm_arm_gic_realize(DeviceState *dev, Error **errp)
                             KVM_DEV_ARM_VGIC_GRP_ADDR,
                             KVM_VGIC_V2_ADDR_TYPE_CPU,
                             s->dev_fd);
+
+    if (!kvm_arm_gic_can_save_restore(s)) {
+        error_setg(&s->migration_blocker, "This operating system kernel does "
+                                          "not support vGICv2 migration");
+        migrate_add_blocker(s->migration_blocker);
+    }
+
+    if (kvm_has_gsi_routing()) {
+        /* set up irq routing */
+        kvm_init_irq_routing(kvm_state);
+        for (i = 0; i < s->num_irq - GIC_INTERNAL; ++i) {
+            kvm_irqchip_add_irq_route(kvm_state, i, 0, i);
+        }
+
+        kvm_gsi_routing_allowed = true;
+
+        kvm_irqchip_commit_routes(kvm_state);
+    }
 }
 
 static void kvm_arm_gic_class_init(ObjectClass *klass, void *data)