s390-virtio: Let s390_cpu_addr2state() return S390CPU

Convert ipi_states to S390CPU**.

Needed for s390_cpu_restart() in handle_sigp().
Signed-off-by: NAndreas Färber <afaerber@suse.de>

hw/s390-virtio-bus.c

@@ -140,7 +140,8 @@ static int s390_virtio_device_init(VirtIOS390Device *dev, VirtIODevice *vdev)
     s390_virtio_device_sync(dev);
     s390_virtio_reset_idx(dev);
     if (dev->qdev.hotplugged) {
-        CPUS390XState *env = s390_cpu_addr2state(0);
+        S390CPU *cpu = s390_cpu_addr2state(0);
+        CPUS390XState *env = &cpu->env;
         s390_virtio_irq(env, VIRTIO_PARAM_DEV_ADD, dev->dev_offs);
     }
 
@@ -354,7 +355,8 @@ static void virtio_s390_notify(void *opaque, uint16_t vector)
 {
     VirtIOS390Device *dev = (VirtIOS390Device*)opaque;
     uint64_t token = s390_virtio_device_vq_token(dev, vector);
-    CPUS390XState *env = s390_cpu_addr2state(0);
+    S390CPU *cpu = s390_cpu_addr2state(0);
+    CPUS390XState *env = &cpu->env;
 
     s390_virtio_irq(env, 0, token);
 }

hw/s390-virtio.c

@@ -61,9 +61,9 @@
 #define MAX_BLK_DEVS                    10
 
 static VirtIOS390Bus *s390_bus;
-static CPUS390XState **ipi_states;
+static S390CPU **ipi_states;
 
-CPUS390XState *s390_cpu_addr2state(uint16_t cpu_addr)
+S390CPU *s390_cpu_addr2state(uint16_t cpu_addr)
 {
     if (cpu_addr >= smp_cpus) {
         return NULL;
@@ -206,7 +206,7 @@ static void s390_init(ram_addr_t my_ram_size,
         cpu_model = "host";
     }
 
-    ipi_states = g_malloc(sizeof(CPUS390XState *) * smp_cpus);
+    ipi_states = g_malloc(sizeof(S390CPU *) * smp_cpus);
 
     for (i = 0; i < smp_cpus; i++) {
         S390CPU *cpu;
@@ -217,7 +217,7 @@ static void s390_init(ram_addr_t my_ram_size,
         if (!env) {
             env = tmp_env;
         }
-        ipi_states[i] = tmp_env;
+        ipi_states[i] = cpu;
         tmp_env->halted = 1;
         tmp_env->exception_index = EXCP_HLT;
         tmp_env->storage_keys = storage_keys;

target-s390x/cpu.h

@@ -316,7 +316,7 @@ static inline void kvm_s390_interrupt_internal(CPUS390XState *env, int type,
 {
 }
 #endif
-CPUS390XState *s390_cpu_addr2state(uint16_t cpu_addr);
+S390CPU *s390_cpu_addr2state(uint16_t cpu_addr);
 void s390_add_running_cpu(CPUS390XState *env);
 unsigned s390_del_running_cpu(CPUS390XState *env);
 

target-s390x/kvm.c

@@ -333,6 +333,7 @@ static int handle_sigp(CPUS390XState *env, struct kvm_run *run, uint8_t ipa1)
     uint16_t cpu_addr;
     uint8_t t;
     int r = -1;
+    S390CPU *target_cpu;
     CPUS390XState *target_env;
 
     cpu_synchronize_state(env);
@@ -353,10 +354,11 @@ static int handle_sigp(CPUS390XState *env, struct kvm_run *run, uint8_t ipa1)
     parameter = env->regs[t] & 0x7ffffe00;
     cpu_addr = env->regs[ipa1 & 0x0f];
 
-    target_env = s390_cpu_addr2state(cpu_addr);
-    if (!target_env) {
+    target_cpu = s390_cpu_addr2state(cpu_addr);
+    if (target_cpu == NULL) {
         goto out;
     }
+    target_env = &target_cpu->env;
 
     switch (order_code) {
         case SIGP_RESTART: