136 	struct vfio_dma_region region;  in TEST_F()  local
142 	region.vaddr = mmap(NULL, size, PROT_READ | PROT_WRITE, flags, -1, 0);  in TEST_F()
145 	if (flags & MAP_HUGETLB && region.vaddr == MAP_FAILED)  in TEST_F()
148 		ASSERT_NE(region.vaddr, MAP_FAILED);  in TEST_F()
150 	region.iova = iova_allocator_alloc(self->iova_allocator, size);  in TEST_F()
151 	region.size = size;  in TEST_F()
153 	vfio_pci_dma_map(self->device, &region);  in TEST_F()
154 	printf("Mapped HVA %p (size 0x%lx) at IOVA 0x%lx\n", region.vaddr, size, region.iova);  in TEST_F()
156 	ASSERT_EQ(region.iova, to_iova(self->device, region.vaddr));  in TEST_F()
158 	rc = iommu_mapping_get(device_bdf, region.iova, &mapping);  in TEST_F()
170 	printf("Found IOMMU mappings for IOVA 0x%lx:\n", region.iova);  in TEST_F()
195 	rc = __vfio_pci_dma_unmap(self->device, &region, &unmapped);  in TEST_F()
197 	ASSERT_EQ(unmapped, region.size);  in TEST_F()
198 	printf("Unmapped IOVA 0x%lx\n", region.iova);  in TEST_F()
199 	ASSERT_EQ(INVALID_IOVA, __to_iova(self->device, region.vaddr));  in TEST_F()
200 	ASSERT_NE(0, iommu_mapping_get(device_bdf, region.iova, &mapping));  in TEST_F()
202 	ASSERT_TRUE(!munmap(region.vaddr, size));  in TEST_F()
207 	struct vfio_dma_region region;  in FIXTURE()  local
226 	struct vfio_dma_region *region = &self->region;  in FIXTURE_SETUP()  local
239 	region->vaddr = mmap(NULL, self->mmap_size, PROT_READ | PROT_WRITE,  in FIXTURE_SETUP()
241 	ASSERT_NE(region->vaddr, MAP_FAILED);  in FIXTURE_SETUP()
249 	region->iova = last_iova & ~(region_size - 1);  in FIXTURE_SETUP()
250 	region->size = region_size;  in FIXTURE_SETUP()
256 	ASSERT_EQ(munmap(self->region.vaddr, self->mmap_size), 0);  in FIXTURE_TEARDOWN()
261 	struct vfio_dma_region *region = &self->region;  in TEST_F()  local
265 	vfio_pci_dma_map(self->device, region);  in TEST_F()
266 	ASSERT_EQ(region->iova, to_iova(self->device, region->vaddr));  in TEST_F()
268 	rc = __vfio_pci_dma_unmap(self->device, region, &unmapped);  in TEST_F()
270 	ASSERT_EQ(unmapped, region->size);  in TEST_F()
275 	struct vfio_dma_region *region = &self->region;  in TEST_F()  local
279 	vfio_pci_dma_map(self->device, region);  in TEST_F()
280 	ASSERT_EQ(region->iova, to_iova(self->device, region->vaddr));  in TEST_F()
284 	ASSERT_EQ(unmapped, region->size);  in TEST_F()
289 	struct vfio_dma_region *region = &self->region;  in TEST_F()  local
292 	region->iova = ~(iova_t)0 & ~(region->size - 1);  in TEST_F()
293 	region->size = self->mmap_size;  in TEST_F()
295 	rc = __vfio_pci_dma_map(self->device, region);  in TEST_F()
298 	rc = __vfio_pci_dma_unmap(self->device, region, NULL);  in TEST_F()