s390x/pci: export pci_dereg_ioat and pci_dereg_irqs

dereg_irqs and dereg_ioat are needed by external functions. Let's
rename and export both of them in s390-pci-inst.h.
Signed-off-by: NYi Min Zhao <zyimin@linux.vnet.ibm.com>
Reviewed-by: NPierre Morel <pmorel@linux.vnet.ibm.com>
Signed-off-by: NCornelia Huck <cornelia.huck@de.ibm.com>

hw/s390x/s390-pci-inst.c

@@ -662,7 +662,7 @@ out:
     return ret;
 }
 
-static int dereg_irqs(S390PCIBusDevice *pbdev)
+int pci_dereg_irqs(S390PCIBusDevice *pbdev)
 {
     release_indicator(&pbdev->routes.adapter, pbdev->summary_ind);
     release_indicator(&pbdev->routes.adapter, pbdev->indicator);
@@ -710,7 +710,7 @@ static int reg_ioat(CPUS390XState *env, S390PCIBusDevice *pbdev, ZpciFib fib)
     return 0;
 }
 
-static void dereg_ioat(S390PCIBusDevice *pbdev)
+void pci_dereg_ioat(S390PCIBusDevice *pbdev)
 {
     s390_pci_iommu_disable(pbdev);
     pbdev->pba = 0;
@@ -758,7 +758,7 @@ int mpcifc_service_call(S390CPU *cpu, uint8_t r1, uint64_t fiba, uint8_t ar)
         }
         break;
     case ZPCI_MOD_FC_DEREG_INT:
-        dereg_irqs(pbdev);
+        pci_dereg_irqs(pbdev);
         break;
     case ZPCI_MOD_FC_REG_IOAT:
         if (reg_ioat(env, pbdev, fib)) {
@@ -766,10 +766,10 @@ int mpcifc_service_call(S390CPU *cpu, uint8_t r1, uint64_t fiba, uint8_t ar)
         }
         break;
     case ZPCI_MOD_FC_DEREG_IOAT:
-        dereg_ioat(pbdev);
+        pci_dereg_ioat(pbdev);
         break;
     case ZPCI_MOD_FC_REREG_IOAT:
-        dereg_ioat(pbdev);
+        pci_dereg_ioat(pbdev);
         if (reg_ioat(env, pbdev, fib)) {
             cc = ZPCI_PCI_LS_ERR;
         }

hw/s390x/s390-pci-inst.h

@@ -14,6 +14,7 @@
 #ifndef HW_S390_PCI_INST_H
 #define HW_S390_PCI_INST_H
 
+#include "s390-pci-bus.h"
 #include <sysemu/dma.h>
 
 /* CLP common request & response block size */
@@ -277,6 +278,8 @@ typedef struct ZpciFib {
     uint32_t gd;
 } QEMU_PACKED ZpciFib;
 
+int pci_dereg_irqs(S390PCIBusDevice *pbdev);
+void pci_dereg_ioat(S390PCIBusDevice *pbdev);
 int clp_service_call(S390CPU *cpu, uint8_t r2);
 int pcilg_service_call(S390CPU *cpu, uint8_t r1, uint8_t r2);
 int pcistg_service_call(S390CPU *cpu, uint8_t r1, uint8_t r2);