arch/um/drivers/vfio_user.c

37

r = ioctl(fd, VFIO_CHECK_EXTENSION, VFIO_TYPE1_IOMMU);

drivers/iommu/iommufd/vfio_compat.c

523

case VFIO_CHECK_EXTENSION:

drivers/vfio/container.c

217

VFIO_CHECK_EXTENSION,

drivers/vfio/container.c

226

VFIO_CHECK_EXTENSION, arg);

drivers/vfio/container.c

297

if (driver->ops->ioctl(NULL, VFIO_CHECK_EXTENSION, arg) <= 0) {

drivers/vfio/container.c

342

case VFIO_CHECK_EXTENSION:

drivers/vfio/container.c

49

if (cmd == VFIO_CHECK_EXTENSION)

drivers/vfio/vfio_iommu_spapr_tce.c

836

case VFIO_CHECK_EXTENSION:

drivers/vfio/vfio_iommu_type1.c

3087

case VFIO_CHECK_EXTENSION:

tools/testing/selftests/iommu/iommufd.c

2431

ASSERT_EQ(1, ioctl(self->fd, VFIO_CHECK_EXTENSION, VFIO_TYPE1v2_IOMMU));

tools/testing/selftests/vfio/lib/vfio_pci_device.c

292

ret = ioctl(iommu->container_fd, VFIO_CHECK_EXTENSION, iommu_type);