s390x: chsc nt2 events are pci-only

The nt2 event class is pci-only - don't look for events if pci is
not in the active cpu model.
Reviewed-by: NThomas Huth <thuth@redhat.com>
Acked-by: NChristian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: NCornelia Huck <cohuck@redhat.com>

hw/s390x/s390-pci-bus.c

@@ -47,7 +47,7 @@ S390pciState *s390_get_phb(void)
     return phb;
 }
 
-int chsc_sei_nt2_get_event(void *res)
+int pci_chsc_sei_nt2_get_event(void *res)
 {
     ChscSeiNt2Res *nt2_res = (ChscSeiNt2Res *)res;
     PciCcdfAvail *accdf;
@@ -87,7 +87,7 @@ int chsc_sei_nt2_get_event(void *res)
     return rc;
 }
 
-int chsc_sei_nt2_have_event(void)
+int pci_chsc_sei_nt2_have_event(void)
 {
     S390pciState *s = s390_get_phb();
 

hw/s390x/s390-pci-bus.h

@@ -319,8 +319,8 @@ typedef struct S390pciState {
 } S390pciState;
 
 S390pciState *s390_get_phb(void);
-int chsc_sei_nt2_get_event(void *res);
-int chsc_sei_nt2_have_event(void);
+int pci_chsc_sei_nt2_get_event(void *res);
+int pci_chsc_sei_nt2_have_event(void);
 void s390_pci_sclp_configure(SCCB *sccb);
 void s390_pci_sclp_deconfigure(SCCB *sccb);
 void s390_pci_iommu_enable(S390PCIIOMMU *iommu);

hw/s390x/s390-pci-stub.c

@@ -7,12 +7,12 @@
 #include "s390-pci-bus.h"
 
 /* target/s390x/ioinst.c */
-int chsc_sei_nt2_get_event(void *res)
+int pci_chsc_sei_nt2_get_event(void *res)
 {
     return 1;
 }
 
-int chsc_sei_nt2_have_event(void)
+int pci_chsc_sei_nt2_have_event(void)
 {
     return 0;
 }

target/s390x/ioinst.c

@@ -599,6 +599,22 @@ static int chsc_sei_nt0_have_event(void)
     return 0;
 }
 
+static int chsc_sei_nt2_get_event(void *res)
+{
+    if (s390_has_feat(S390_FEAT_ZPCI)) {
+        return pci_chsc_sei_nt2_get_event(res);
+    }
+    return 1;
+}
+
+static int chsc_sei_nt2_have_event(void)
+{
+    if (s390_has_feat(S390_FEAT_ZPCI)) {
+        return pci_chsc_sei_nt2_have_event();
+    }
+    return 0;
+}
+
 #define CHSC_SEI_NT0    (1ULL << 63)
 #define CHSC_SEI_NT2    (1ULL << 61)
 static void ioinst_handle_chsc_sei(ChscReq *req, ChscResp *res)