74 	self->device = vfio_pci_device_init(device_bdf, variant->iommu_mode);  in FIXTURE_SETUP()
76 	driver = &self->device->driver;  in FIXTURE_SETUP()
78 	region_setup(self->device, &self->memcpy_region, SZ_1G);  in FIXTURE_SETUP()
79 	region_setup(self->device, &driver->region, SZ_2M);  in FIXTURE_SETUP()
82 	self->unmapped_iova = 8UL * SZ_1G;  in FIXTURE_SETUP()
84 	vfio_pci_driver_init(self->device);  in FIXTURE_SETUP()
85 	self->msi_fd = self->device->msi_eventfds[driver->msi];  in FIXTURE_SETUP()
92 	self->size = self->device->driver.max_memcpy_size;  in FIXTURE_SETUP()
93 	self->size = min(self->size, self->memcpy_region.size / 2);  in FIXTURE_SETUP()
95 	self->src = self->memcpy_region.vaddr;  in FIXTURE_SETUP()
96 	self->dst = self->src + self->size;  in FIXTURE_SETUP()
98 	self->src_iova = to_iova(self->device, self->src);  in FIXTURE_SETUP()
99 	self->dst_iova = to_iova(self->device, self->dst);  in FIXTURE_SETUP()
104 	struct vfio_pci_driver *driver = &self->device->driver;  in FIXTURE_TEARDOWN()
106 	vfio_pci_driver_remove(self->device);  in FIXTURE_TEARDOWN()
108 	region_teardown(self->device, &self->memcpy_region);  in FIXTURE_TEARDOWN()
109 	region_teardown(self->device, &driver->region);  in FIXTURE_TEARDOWN()
111 	vfio_pci_device_cleanup(self->device);  in FIXTURE_TEARDOWN()
119 		vfio_pci_driver_remove(self->device);  in TEST_F()
120 		vfio_pci_driver_init(self->device);  in TEST_F()
126 	fcntl_set_nonblock(self->msi_fd);  in TEST_F()
128 	memset(self->src, 'x', self->size);  in TEST_F()
129 	memset(self->dst, 'y', self->size);  in TEST_F()
131 	ASSERT_EQ(0, vfio_pci_driver_memcpy(self->device,  in TEST_F()
132 					    self->src_iova,  in TEST_F()
133 					    self->dst_iova,  in TEST_F()
134 					    self->size));  in TEST_F()
136 	ASSERT_EQ(0, memcmp(self->src, self->dst, self->size));  in TEST_F()
137 	ASSERT_NO_MSI(self->msi_fd);  in TEST_F()
142 	fcntl_set_nonblock(self->msi_fd);  in TEST_F()
148 	vfio_pci_driver_memcpy(self->device, self->unmapped_iova,  in TEST_F()
149 			       self->dst_iova, self->size);  in TEST_F()
151 	ASSERT_NO_MSI(self->msi_fd);  in TEST_F()
156 	fcntl_set_nonblock(self->msi_fd);  in TEST_F()
162 	vfio_pci_driver_memcpy(self->device, self->src_iova,  in TEST_F()
163 			       self->unmapped_iova, self->size);  in TEST_F()
165 	ASSERT_NO_MSI(self->msi_fd);  in TEST_F()
172 	vfio_pci_driver_send_msi(self->device);  in TEST_F()
173 	ASSERT_EQ(8, read(self->msi_fd, &value, 8));  in TEST_F()
183 		memset(self->src, 'x', self->size);  in TEST_F()
184 		memset(self->dst, 'y', self->size);  in TEST_F()
186 		ASSERT_EQ(0, vfio_pci_driver_memcpy(self->device,  in TEST_F()
187 						    self->src_iova,  in TEST_F()
188 						    self->dst_iova,  in TEST_F()
189 						    self->size));  in TEST_F()
191 		ASSERT_EQ(0, memcmp(self->src, self->dst, self->size));  in TEST_F()
193 		vfio_pci_driver_memcpy(self->device,  in TEST_F()
194 				       self->unmapped_iova,  in TEST_F()
195 				       self->dst_iova,  in TEST_F()
196 				       self->size);  in TEST_F()
198 		vfio_pci_driver_send_msi(self->device);  in TEST_F()
199 		ASSERT_EQ(8, read(self->msi_fd, &value, 8));  in TEST_F()
206 	struct vfio_pci_driver *driver = &self->device->driver;
210 	fcntl_set_nonblock(self->msi_fd);
218 	count = min(total_size / self->size, driver->max_memcpy_count);
220 	printf("Kicking off %lu memcpys of size 0x%lx\n", count, self->size);
221 	vfio_pci_driver_memcpy_start(self->device,
222 				     self->src_iova,
223 				     self->dst_iova,
224 				     self->size, count);
226 	ASSERT_EQ(0, vfio_pci_driver_memcpy_wait(self->device));
227 	ASSERT_NO_MSI(self->msi_fd);