From: Josh Hilke jrhilke@google.com
Add a test to vfio_pci_device_test which resets the device. If reset is not supported by the device, the test is skipped.
Signed-off-by: Josh Hilke jrhilke@google.com Acked-by: Shuah Khan skhan@linuxfoundation.org Signed-off-by: David Matlack dmatlack@google.com --- tools/testing/selftests/vfio/lib/include/vfio_util.h | 1 + tools/testing/selftests/vfio/lib/vfio_pci_device.c | 5 +++++ tools/testing/selftests/vfio/vfio_pci_device_test.c | 8 ++++++++ 3 files changed, 14 insertions(+)
diff --git a/tools/testing/selftests/vfio/lib/include/vfio_util.h b/tools/testing/selftests/vfio/lib/include/vfio_util.h index b7d2bb8c18ba..234403b442af 100644 --- a/tools/testing/selftests/vfio/lib/include/vfio_util.h +++ b/tools/testing/selftests/vfio/lib/include/vfio_util.h @@ -83,6 +83,7 @@ const char *vfio_selftests_get_bdf(int *argc, char *argv[]);
struct vfio_pci_device *vfio_pci_device_init(const char *bdf, int iommu_type); void vfio_pci_device_cleanup(struct vfio_pci_device *device); +void vfio_pci_device_reset(struct vfio_pci_device *device);
void vfio_pci_dma_map(struct vfio_pci_device *device, u64 iova, u64 size, void *vaddr); diff --git a/tools/testing/selftests/vfio/lib/vfio_pci_device.c b/tools/testing/selftests/vfio/lib/vfio_pci_device.c index 76adb1841f16..98cce0a6ecd7 100644 --- a/tools/testing/selftests/vfio/lib/vfio_pci_device.c +++ b/tools/testing/selftests/vfio/lib/vfio_pci_device.c @@ -202,6 +202,11 @@ void vfio_pci_config_access(struct vfio_pci_device *device, bool write, write ? "write to" : "read from", config); }
+void vfio_pci_device_reset(struct vfio_pci_device *device) +{ + ioctl_assert(device->fd, VFIO_DEVICE_RESET, NULL); +} + static unsigned int vfio_pci_get_group_from_dev(const char *bdf) { char dev_iommu_group_path[PATH_MAX] = {0}; diff --git a/tools/testing/selftests/vfio/vfio_pci_device_test.c b/tools/testing/selftests/vfio/vfio_pci_device_test.c index a2e41398d184..82e3c947f45d 100644 --- a/tools/testing/selftests/vfio/vfio_pci_device_test.c +++ b/tools/testing/selftests/vfio/vfio_pci_device_test.c @@ -155,6 +155,14 @@ TEST_F(vfio_pci_irq_test, enable_trigger_disable) vfio_pci_irq_disable(self->device, variant->irq_index); }
+TEST_F(vfio_pci_device_test, reset) +{ + if (!(self->device->info.flags & VFIO_DEVICE_FLAGS_RESET)) + SKIP(return, "Device does not support reset\n"); + + vfio_pci_device_reset(self->device); +} + int main(int argc, char *argv[]) { device_bdf = vfio_selftests_get_bdf(&argc, argv);