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2022-10-07tests/qtest: enable tests for virtio-gpioAlex Bennée
We don't have a virtio-gpio implementation in QEMU and only support a vhost-user backend. The QEMU side of the code is minimal so it should be enough to instantiate the device and pass some vhost-user messages over the control socket. To do this we hook into the existing vhost-user-test code and just add the bits required for gpio. Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Cc: Viresh Kumar <viresh.kumar@linaro.org> Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: Eric Auger <eric.auger@redhat.com> Message-Id: <20220408155704.2777166-1-alex.bennee@linaro.org> Message-Id: <20220802095010.3330793-23-alex.bennee@linaro.org> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2022-10-07tests/qtest: add assert to catch bad featuresAlex Bennée
No device driver (which is what the qvirtio_ access functions represent) should be setting UNUSED(30) in the feature space. Although existing libqos users mask it out lets ensure nothing sneaks through. Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20220802095010.3330793-20-alex.bennee@linaro.org> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2022-05-03tests: move libqtest.h back under qtest/Marc-André Lureau
Since commit a2ce7dbd917 ("meson: convert tests/qtest to meson"), libqtest.h is under libqos/ directory, while libqtest.c is still in qtest/. Move back to its original location to avoid mixing with libqos/. Suggested-by: Thomas Huth <thuth@redhat.com> Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Thomas Huth <thuth@redhat.com> Reviewed-by: Stefan Berger <stefanb@linux.ibm.com>
2022-04-20tests/qtest: properly initialise the vring used idxAlex Bennée
Eric noticed while attempting to enable the vhost-user-blk-test for Aarch64 that that things didn't work unless he put in a dummy guest_malloc() at the start of the test. Without it qvirtio_wait_used_elem() would assert when it reads a junk value for idx resulting in: qvirtqueue_get_buf: idx:2401 last_idx:0 qvirtqueue_get_buf: 0x7ffcb6d3fe74, (nil) qvirtio_wait_used_elem: 3000000/0 ERROR:../../tests/qtest/libqos/virtio.c:226:qvirtio_wait_used_elem: assertion failed (got_desc_idx == desc_idx): (50331648 == 0) Bail out! ERROR:../../tests/qtest/libqos/virtio.c:226:qvirtio_wait_used_elem: assertion failed (got_desc_idx == desc_idx): (50331648 == 0) What was actually happening is the guest_malloc() effectively pushed the allocation of the vring into the next page which just happened to have clear memory. After much tedious tracing of the code I could see that qvring_init() does attempt initialise a bunch of the vring structures but skips the vring->used.idx value. It is probably not wise to assume guest memory is zeroed anyway. Once the ring is properly initialised the hack is no longer needed to get things working. Thanks-to: John Snow <jsnow@redhat.com> for helping debug Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20220406173356.1891500-1-alex.bennee@linaro.org> Tested-by: Eric Auger <eric.auger@redhat.com> Reviewed-by: Eric Auger <eric.auger@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Thomas Huth <thuth@redhat.com>
2020-08-21meson: convert tests/qtest to mesonPaolo Bonzini
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-01-12tests/libqos: Move the libqos files under tests/qtest/Thomas Huth
The qos stuff belongs to qtest, so move it into that directory, too. Message-Id: <20191218103059.11729-8-thuth@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Thomas Huth <thuth@redhat.com>