From: Josh Hilke <jrhilke@xxxxxxxxxx>
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@xxxxxxxxxx>
Signed-off-by: David Matlack <dmatlack@xxxxxxxxxx>
---
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 ea54754a8b16..4e5c6d395a12 100644
--- a/tools/testing/selftests/vfio/lib/include/vfio_util.h
+++ b/tools/testing/selftests/vfio/lib/include/vfio_util.h
@@ -69,6 +69,7 @@ struct vfio_pci_device {
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 922f21138532..a2747de9ad69 100644
--- a/tools/testing/selftests/vfio/lib/vfio_pci_device.c
+++ b/tools/testing/selftests/vfio/lib/vfio_pci_device.c
@@ -328,3 +328,8 @@ void vfio_pci_device_cleanup(struct vfio_pci_device *device)
free(device);
}
+
+void vfio_pci_device_reset(struct vfio_pci_device *device)
+{
+ ioctl_assert(device->fd, VFIO_DEVICE_RESET, NULL);
+}
diff --git a/tools/testing/selftests/vfio/vfio_pci_device_test.c b/tools/testing/selftests/vfio/vfio_pci_device_test.c
index 41166f4e9468..b969ecdfb042 100644
--- a/tools/testing/selftests/vfio/vfio_pci_device_test.c
+++ b/tools/testing/selftests/vfio/vfio_pci_device_test.c
@@ -151,6 +151,14 @@ 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[])
{
if (argc != 2) {
--
2.49.0.1151.ga128411c76-goog
