[PATCH v2 05/13] s390x: protvirt: Add pv state to cpu env

[Janosch Frank <frankja@linux.ibm.com>]

We need to know if we run in pv state or not when emulating
instructions.

Signed-off-by: Janosch Frank <frankja@linux.ibm.com>
---
 hw/s390x/s390-virtio-ccw.c | 2 ++
 target/s390x/cpu.h         | 1 +
 2 files changed, 3 insertions(+)

diff --git a/hw/s390x/s390-virtio-ccw.c b/hw/s390x/s390-virtio-ccw.c
index e2a302398d..6fcd695b81 100644
--- a/hw/s390x/s390-virtio-ccw.c
+++ b/hw/s390x/s390-virtio-ccw.c
@@ -357,6 +357,7 @@ static void s390_machine_reset(MachineState *machine)
                 s390_pv_vcpu_destroy(t);
             }
             s390_pv_vm_destroy();
+            env->pv = false;
         }
 
         qemu_devices_reset();
@@ -406,6 +407,7 @@ static void s390_machine_reset(MachineState *machine)
         s390_ipl_pv_unpack();
         /* Verify integrity */
         s390_pv_verify();
+        env->pv = true;
         s390_cpu_set_state(S390_CPU_STATE_OPERATING, cpu);
         break;
     default:
diff --git a/target/s390x/cpu.h b/target/s390x/cpu.h
index d2af13b345..43e6c286d2 100644
--- a/target/s390x/cpu.h
+++ b/target/s390x/cpu.h
@@ -116,6 +116,7 @@ struct CPUS390XState {
 
     /* Fields up to this point are cleared by a CPU reset */
     struct {} end_reset_fields;
+    bool pv; /* protected virtualization */
 
 #if !defined(CONFIG_USER_ONLY)
     uint32_t core_id; /* PoP "CPU address", same as cpu_index */
-- 
2.20.1