- pvtd_as = s->address_spaces[bus_num];
- if (!pvtd_as) {
- /* No corresponding free() */
- pvtd_as = g_malloc0(sizeof(VTDAddressSpace *) * VTD_PCI_DEVFN_MAX);
- s->address_spaces[bus_num] = pvtd_as;
- }
- if (!pvtd_as[devfn]) {
- pvtd_as[devfn] = g_malloc0(sizeof(VTDAddressSpace));
-
- pvtd_as[devfn]->bus_num = (uint8_t)bus_num;
- pvtd_as[devfn]->devfn = (uint8_t)devfn;
- pvtd_as[devfn]->iommu_state = s;
- pvtd_as[devfn]->context_cache_entry.context_cache_gen = 0;
- memory_region_init_iommu(&pvtd_as[devfn]->iommu, OBJECT(s),
- &s->iommu_ops, "intel_iommu", UINT64_MAX);
- address_space_init(&pvtd_as[devfn]->as,
- &pvtd_as[devfn]->iommu, "intel_iommu");
- }
- return &pvtd_as[devfn]->as;