vfio/spapr: Make vfio_spapr_create/remove_window static

vfio_spapr_create_window calls vfio_spapr_remove_window,
With reoder of definition of the two, we can make
vfio_spapr_create/remove_window static.

No functional changes intended.

Signed-off-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Signed-off-by: Cédric Le Goater <clg@redhat.com>

hw/vfio/spapr.c

@@ -146,9 +146,30 @@ static const MemoryListener vfio_prereg_listener = {
     .region_del = vfio_prereg_listener_region_del,
 };
 
-int vfio_spapr_create_window(VFIOContainer *container,
-                             MemoryRegionSection *section,
-                             hwaddr *pgsize)
+static int vfio_spapr_remove_window(VFIOContainer *container,
+                                    hwaddr offset_within_address_space)
+{
+    struct vfio_iommu_spapr_tce_remove remove = {
+        .argsz = sizeof(remove),
+        .start_addr = offset_within_address_space,
+    };
+    int ret;
+
+    ret = ioctl(container->fd, VFIO_IOMMU_SPAPR_TCE_REMOVE, &remove);
+    if (ret) {
+        error_report("Failed to remove window at %"PRIx64,
+                     (uint64_t)remove.start_addr);
+        return -errno;
+    }
+
+    trace_vfio_spapr_remove_window(offset_within_address_space);
+
+    return 0;
+}
+
+static int vfio_spapr_create_window(VFIOContainer *container,
+                                    MemoryRegionSection *section,
+                                    hwaddr *pgsize)
 {
     int ret = 0;
     IOMMUMemoryRegion *iommu_mr = IOMMU_MEMORY_REGION(section->mr);
@@ -238,27 +259,6 @@ int vfio_spapr_create_window(VFIOContainer *container,
     return 0;
 }
 
-int vfio_spapr_remove_window(VFIOContainer *container,
-                             hwaddr offset_within_address_space)
-{
-    struct vfio_iommu_spapr_tce_remove remove = {
-        .argsz = sizeof(remove),
-        .start_addr = offset_within_address_space,
-    };
-    int ret;
-
-    ret = ioctl(container->fd, VFIO_IOMMU_SPAPR_TCE_REMOVE, &remove);
-    if (ret) {
-        error_report("Failed to remove window at %"PRIx64,
-                     (uint64_t)remove.start_addr);
-        return -errno;
-    }
-
-    trace_vfio_spapr_remove_window(offset_within_address_space);
-
-    return 0;
-}
-
 int vfio_container_add_section_window(VFIOContainer *container,
                                       MemoryRegionSection *section,
                                       Error **errp)

include/hw/vfio/vfio-common.h

@@ -293,12 +293,6 @@ struct vfio_info_cap_header *
 vfio_get_cap(void *ptr, uint32_t cap_offset, uint16_t id);
 #endif
 
-int vfio_spapr_create_window(VFIOContainer *container,
-                             MemoryRegionSection *section,
-                             hwaddr *pgsize);
-int vfio_spapr_remove_window(VFIOContainer *container,
-                             hwaddr offset_within_address_space);
-
 bool vfio_migration_realize(VFIODevice *vbasedev, Error **errp);
 void vfio_migration_exit(VFIODevice *vbasedev);