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Diffstat (limited to 'target-s390x/kvm.c')
-rw-r--r--target-s390x/kvm.c40
1 files changed, 27 insertions, 13 deletions
diff --git a/target-s390x/kvm.c b/target-s390x/kvm.c
index 26d18e3bcf..185c8f5a45 100644
--- a/target-s390x/kvm.c
+++ b/target-s390x/kvm.c
@@ -72,6 +72,7 @@
#define PRIV_XSCH 0x76
#define PRIV_SQBS 0x8a
#define PRIV_EQBS 0x9c
+#define DIAG_IPL 0x308
#define DIAG_KVM_HYPERCALL 0x500
#define DIAG_KVM_BREAKPOINT 0x501
@@ -578,32 +579,45 @@ static int handle_hypercall(S390CPU *cpu, struct kvm_run *run)
return 0;
}
+static void kvm_handle_diag_308(S390CPU *cpu, struct kvm_run *run)
+{
+ uint64_t r1, r3;
+
+ cpu_synchronize_state(CPU(cpu));
+ r1 = (run->s390_sieic.ipa & 0x00f0) >> 8;
+ r3 = run->s390_sieic.ipa & 0x000f;
+ handle_diag_308(&cpu->env, r1, r3);
+}
+
static int handle_diag(S390CPU *cpu, struct kvm_run *run, int ipb_code)
{
int r = 0;
switch (ipb_code) {
- case DIAG_KVM_HYPERCALL:
- r = handle_hypercall(cpu, run);
- break;
- case DIAG_KVM_BREAKPOINT:
- sleep(10);
- break;
- default:
- DPRINTF("KVM: unknown DIAG: 0x%x\n", ipb_code);
- r = -1;
- break;
+ case DIAG_IPL:
+ kvm_handle_diag_308(cpu, run);
+ break;
+ case DIAG_KVM_HYPERCALL:
+ r = handle_hypercall(cpu, run);
+ break;
+ case DIAG_KVM_BREAKPOINT:
+ sleep(10);
+ break;
+ default:
+ DPRINTF("KVM: unknown DIAG: 0x%x\n", ipb_code);
+ r = -1;
+ break;
}
return r;
}
-static int s390_cpu_restart(S390CPU *cpu)
+int kvm_s390_cpu_restart(S390CPU *cpu)
{
kvm_s390_interrupt(cpu, KVM_S390_RESTART, 0);
s390_add_running_cpu(cpu);
qemu_cpu_kick(CPU(cpu));
- DPRINTF("DONE: SIGP cpu restart: %p\n", &cpu->env);
+ DPRINTF("DONE: KVM cpu restart: %p\n", &cpu->env);
return 0;
}
@@ -672,7 +686,7 @@ static int handle_sigp(S390CPU *cpu, struct kvm_run *run, uint8_t ipa1)
switch (order_code) {
case SIGP_RESTART:
- r = s390_cpu_restart(target_cpu);
+ r = kvm_s390_cpu_restart(target_cpu);
break;
case SIGP_STORE_STATUS_ADDR:
r = s390_store_status(target_env, parameter);