vmdk: Add option to create zeroed-grain image

[qemu.git] / target-s390x / cpu.h

diff --git a/target-s390x/cpu.h b/target-s390x/cpu.h
index e3510059010ea378d270cc257e5bbd9e440fcf0d..0ce82cf8300ddae876e597277632108f1634a945 100644 (file)
--- a/target-s390x/cpu.h
+++ b/target-s390x/cpu.h
@@ -78,6 +78,11 @@ typedef struct MchkQueue {
     uint16_t type;
 } MchkQueue;
 
+/* Defined values for CPUS390XState.runtime_reg_dirty_mask */
+#define KVM_S390_RUNTIME_DIRTY_NONE     0
+#define KVM_S390_RUNTIME_DIRTY_PARTIAL  1
+#define KVM_S390_RUNTIME_DIRTY_FULL     2
+
 typedef struct CPUS390XState {
     uint64_t regs[16];     /* GP registers */
     CPU_DoubleU fregs[16]; /* FP registers */
@@ -121,6 +126,13 @@ typedef struct CPUS390XState {
     uint64_t cputm;
     uint32_t todpr;
 
+    /* on S390 the runtime register set has two dirty states:
+     * a partial dirty state in which only the registers that
+     * are needed all the time are fetched. And a fully dirty
+     * state in which all runtime registers are fetched.
+     */
+    uint32_t runtime_reg_dirty_mask;
+
     CPU_COMMON
 
     /* reset does memset(0) up to here */
@@ -1068,6 +1080,7 @@ void kvm_s390_io_interrupt(S390CPU *cpu, uint16_t subchannel_id,
                            uint32_t io_int_word);
 void kvm_s390_crw_mchk(S390CPU *cpu);
 void kvm_s390_enable_css_support(S390CPU *cpu);
+int kvm_s390_get_registers_partial(CPUState *cpu);
 #else
 static inline void kvm_s390_io_interrupt(S390CPU *cpu,
                                         uint16_t subchannel_id,
@@ -1082,6 +1095,10 @@ static inline void kvm_s390_crw_mchk(S390CPU *cpu)
 static inline void kvm_s390_enable_css_support(S390CPU *cpu)
 {
 }
+static inline int kvm_s390_get_registers_partial(CPUState *cpu)
+{
+    return -ENOSYS;
+}
 #endif
 
 static inline void s390_io_interrupt(S390CPU *cpu,