s390x/pci: add stubs

Some non-pci code calls into zpci code. Provide some stubs for builds
without pci.

Reviewed-by: Thomas Huth <thuth@redhat.com>
Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
Acked-by: Halil Pasic <pasic@linux.vnet.ibm.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>

hw/s390x/Makefile.objs

@@ -11,7 +11,8 @@ obj-y += 3270-ccw.o
 obj-y += virtio-ccw.o
 obj-y += css-bridge.o
 obj-y += ccw-device.o
-obj-y += s390-pci-bus.o s390-pci-inst.o
+obj-$(CONFIG_PCI) += s390-pci-bus.o s390-pci-inst.o
+obj-$(call lnot,$(CONFIG_PCI)) += s390-pci-stub.o
 obj-y += s390-skeys.o
 obj-y += s390-stattrib.o
 obj-$(CONFIG_KVM) += s390-skeys-kvm.o

hw/s390x/s390-pci-stub.c

@@ -0,0 +1,76 @@
+/* stubs for non-pci builds */
+
+#include "qemu/osdep.h"
+#include "qemu-common.h"
+#include "cpu.h"
+#include "s390-pci-inst.h"
+#include "s390-pci-bus.h"
+
+/* target/s390x/ioinst.c */
+int chsc_sei_nt2_get_event(void *res)
+{
+    return 1;
+}
+
+int chsc_sei_nt2_have_event(void)
+{
+    return 0;
+}
+
+/* hw/s390x/sclp.c */
+void s390_pci_sclp_configure(SCCB *sccb)
+{
+    sccb->h.response_code = cpu_to_be16(SCLP_RC_ADAPTER_TYPE_NOT_RECOGNIZED);
+}
+
+void s390_pci_sclp_deconfigure(SCCB *sccb)
+{
+    sccb->h.response_code = cpu_to_be16(SCLP_RC_ADAPTER_TYPE_NOT_RECOGNIZED);
+}
+
+/* target/s390x/kvm.c */
+int clp_service_call(S390CPU *cpu, uint8_t r2)
+{
+    return -1;
+}
+
+int pcilg_service_call(S390CPU *cpu, uint8_t r1, uint8_t r2)
+{
+    return -1;
+}
+
+int pcistg_service_call(S390CPU *cpu, uint8_t r1, uint8_t r2)
+{
+    return -1;
+}
+
+int stpcifc_service_call(S390CPU *cpu, uint8_t r1, uint64_t fiba, uint8_t ar)
+{
+    return -1;
+}
+
+int rpcit_service_call(S390CPU *cpu, uint8_t r1, uint8_t r2)
+{
+    return -1;
+}
+
+int pcistb_service_call(S390CPU *cpu, uint8_t r1, uint8_t r3, uint64_t gaddr,
+                        uint8_t ar)
+{
+    return -1;
+}
+
+int mpcifc_service_call(S390CPU *cpu, uint8_t r1, uint64_t fiba, uint8_t ar)
+{
+    return -1;
+}
+
+S390pciState *s390_get_phb(void)
+{
+    return NULL;
+}
+
+S390PCIBusDevice *s390_pci_find_dev_by_idx(S390pciState *s, uint32_t idx)
+{
+    return NULL;
+}

include/hw/s390x/sclp.h

@@ -59,6 +59,7 @@
 #define SCLP_RC_INSUFFICIENT_SCCB_LENGTH        0x0300
 #define SCLP_RC_STANDBY_READ_COMPLETION         0x0410
 #define SCLP_RC_ADAPTER_IN_RESERVED_STATE       0x05f0
+#define SCLP_RC_ADAPTER_TYPE_NOT_RECOGNIZED     0x06f0
 #define SCLP_RC_ADAPTER_ID_NOT_RECOGNIZED       0x09f0
 #define SCLP_RC_INVALID_FUNCTION                0x40f0
 #define SCLP_RC_NO_EVENT_BUFFERS_STORED         0x60f0