return 0;
}
+void spapr_tce_set_need_vfio(sPAPRTCETable *tcet, bool need_vfio)
+{
+ size_t table_size = tcet->nb_table * sizeof(uint64_t);
+ void *newtable;
+
+ if (need_vfio == tcet->need_vfio) {
+ /* Nothing to do */
+ return;
+ }
+
+ if (!need_vfio) {
+ /* FIXME: We don't support transition back to KVM accelerated
+ * TCEs yet */
+ return;
+ }
+
+ tcet->need_vfio = true;
+
+ if (tcet->fd < 0) {
+ /* Table is already in userspace, nothing to be do */
+ return;
+ }
+
+ newtable = g_malloc(table_size);
+ memcpy(newtable, tcet->table, table_size);
+
+ kvmppc_remove_spapr_tce(tcet->table, tcet->fd, tcet->nb_table);
+
+ tcet->fd = -1;
+ tcet->table = newtable;
+}
+
sPAPRTCETable *spapr_tce_new_table(DeviceState *owner, uint32_t liobn,
uint64_t bus_offset,
uint32_t page_shift,
uint32_t page_shift,
uint32_t nb_table,
bool need_vfio);
+void spapr_tce_set_need_vfio(sPAPRTCETable *tcet, bool need_vfio);
+
MemoryRegion *spapr_tce_get_iommu(sPAPRTCETable *tcet);
int spapr_dma_dt(void *fdt, int node_off, const char *propname,
uint32_t liobn, uint64_t window, uint32_t size);