tests/libqos: Replace clock_step with qtest_clock_step in virtio code
Library functions should not rely on functions that require global_qtest
(since they might get used in tests that deal with multiple states).
Commit 1999a70a05
("Make generic virtio code independent from
global_qtest") already tried to clean the libqos virtio code, but I
missed to replace the clock_step() function. Thus change it now to
qtest_clock_step() instead.
The logic of the qvirtio_wait_config_isr() function is now pushed
to the virtio-mmio.c and virtio-pci.c files instead, since we can
get the QTestState here easily.
Message-Id: <20190904130047.25808-4-thuth@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
This commit is contained in:
parent
4d81d77efd
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@ -101,6 +101,18 @@ static bool qvirtio_mmio_get_config_isr_status(QVirtioDevice *d)
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return false;
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}
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static void qvirtio_mmio_wait_config_isr_status(QVirtioDevice *d,
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gint64 timeout_us)
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{
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QVirtioMMIODevice *dev = container_of(d, QVirtioMMIODevice, vdev);
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gint64 start_time = g_get_monotonic_time();
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do {
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g_assert(g_get_monotonic_time() - start_time <= timeout_us);
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qtest_clock_step(dev->qts, 100);
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} while (!qvirtio_mmio_get_config_isr_status(d));
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}
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static void qvirtio_mmio_queue_select(QVirtioDevice *d, uint16_t index)
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{
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QVirtioMMIODevice *dev = container_of(d, QVirtioMMIODevice, vdev);
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@ -179,7 +191,7 @@ const QVirtioBus qvirtio_mmio = {
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.get_status = qvirtio_mmio_get_status,
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.set_status = qvirtio_mmio_set_status,
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.get_queue_isr_status = qvirtio_mmio_get_queue_isr_status,
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.get_config_isr_status = qvirtio_mmio_get_config_isr_status,
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.wait_config_isr_status = qvirtio_mmio_wait_config_isr_status,
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.queue_select = qvirtio_mmio_queue_select,
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.get_queue_size = qvirtio_mmio_get_queue_size,
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.set_queue_address = qvirtio_mmio_set_queue_address,
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@ -175,6 +175,18 @@ static bool qvirtio_pci_get_config_isr_status(QVirtioDevice *d)
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}
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}
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static void qvirtio_pci_wait_config_isr_status(QVirtioDevice *d,
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gint64 timeout_us)
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{
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QVirtioPCIDevice *dev = container_of(d, QVirtioPCIDevice, vdev);
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gint64 start_time = g_get_monotonic_time();
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do {
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g_assert(g_get_monotonic_time() - start_time <= timeout_us);
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qtest_clock_step(dev->pdev->bus->qts, 100);
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} while (!qvirtio_pci_get_config_isr_status(d));
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}
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static void qvirtio_pci_queue_select(QVirtioDevice *d, uint16_t index)
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{
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QVirtioPCIDevice *dev = container_of(d, QVirtioPCIDevice, vdev);
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@ -257,7 +269,7 @@ const QVirtioBus qvirtio_pci = {
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.get_status = qvirtio_pci_get_status,
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.set_status = qvirtio_pci_set_status,
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.get_queue_isr_status = qvirtio_pci_get_queue_isr_status,
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.get_config_isr_status = qvirtio_pci_get_config_isr_status,
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.wait_config_isr_status = qvirtio_pci_wait_config_isr_status,
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.queue_select = qvirtio_pci_queue_select,
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.get_queue_size = qvirtio_pci_get_queue_size,
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.set_queue_address = qvirtio_pci_set_queue_address,
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@ -82,13 +82,13 @@ void qvirtio_set_driver_ok(QVirtioDevice *d)
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VIRTIO_CONFIG_S_DRIVER | VIRTIO_CONFIG_S_ACKNOWLEDGE);
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}
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void qvirtio_wait_queue_isr(QVirtioDevice *d,
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void qvirtio_wait_queue_isr(QTestState *qts, QVirtioDevice *d,
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QVirtQueue *vq, gint64 timeout_us)
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{
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gint64 start_time = g_get_monotonic_time();
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for (;;) {
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clock_step(100);
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qtest_clock_step(qts, 100);
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if (d->bus->get_queue_isr_status(d, vq)) {
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return;
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}
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@ -109,8 +109,8 @@ uint8_t qvirtio_wait_status_byte_no_isr(QTestState *qts, QVirtioDevice *d,
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gint64 start_time = g_get_monotonic_time();
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uint8_t val;
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while ((val = readb(addr)) == 0xff) {
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clock_step(100);
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while ((val = qtest_readb(qts, addr)) == 0xff) {
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qtest_clock_step(qts, 100);
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g_assert(!d->bus->get_queue_isr_status(d, vq));
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g_assert(g_get_monotonic_time() - start_time <= timeout_us);
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}
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@ -137,7 +137,7 @@ void qvirtio_wait_used_elem(QTestState *qts, QVirtioDevice *d,
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for (;;) {
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uint32_t got_desc_idx;
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clock_step(100);
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qtest_clock_step(qts, 100);
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if (d->bus->get_queue_isr_status(d, vq) &&
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qvirtqueue_get_buf(qts, vq, &got_desc_idx, len)) {
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@ -151,15 +151,7 @@ void qvirtio_wait_used_elem(QTestState *qts, QVirtioDevice *d,
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void qvirtio_wait_config_isr(QVirtioDevice *d, gint64 timeout_us)
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{
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gint64 start_time = g_get_monotonic_time();
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for (;;) {
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clock_step(100);
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if (d->bus->get_config_isr_status(d)) {
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return;
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}
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g_assert(g_get_monotonic_time() - start_time <= timeout_us);
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}
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d->bus->wait_config_isr_status(d, timeout_us);
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}
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void qvring_init(QTestState *qts, const QGuestAllocator *alloc, QVirtQueue *vq,
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@ -69,8 +69,8 @@ struct QVirtioBus {
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/* Get the queue ISR status of the device */
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bool (*get_queue_isr_status)(QVirtioDevice *d, QVirtQueue *vq);
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/* Get the configuration ISR status of the device */
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bool (*get_config_isr_status)(QVirtioDevice *d);
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/* Wait for the configuration ISR status of the device */
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void (*wait_config_isr_status)(QVirtioDevice *d, gint64 timeout_us);
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/* Select a queue to work on */
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void (*queue_select)(QVirtioDevice *d, uint16_t index);
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@ -112,7 +112,7 @@ void qvirtio_set_acknowledge(QVirtioDevice *d);
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void qvirtio_set_driver(QVirtioDevice *d);
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void qvirtio_set_driver_ok(QVirtioDevice *d);
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void qvirtio_wait_queue_isr(QVirtioDevice *d,
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void qvirtio_wait_queue_isr(QTestState *qts, QVirtioDevice *d,
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QVirtQueue *vq, gint64 timeout_us);
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uint8_t qvirtio_wait_status_byte_no_isr(QTestState *qts, QVirtioDevice *d,
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QVirtQueue *vq,
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@ -737,6 +737,7 @@ static void resize(void *obj, void *data, QGuestAllocator *t_alloc)
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int n_size = TEST_IMAGE_SIZE / 2;
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uint64_t capacity;
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QVirtQueue *vq;
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QTestState *qts = global_qtest;
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vq = qvirtqueue_setup(dev, t_alloc, 0);
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@ -746,7 +747,7 @@ static void resize(void *obj, void *data, QGuestAllocator *t_alloc)
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" 'arguments': { 'device': 'drive0', "
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" 'size': %d } }", n_size);
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qvirtio_wait_queue_isr(dev, vq, QVIRTIO_BLK_TIMEOUT_US);
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qvirtio_wait_queue_isr(qts, dev, vq, QVIRTIO_BLK_TIMEOUT_US);
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capacity = qvirtio_config_readq(dev, 0);
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g_assert_cmpint(capacity, ==, n_size / 512);
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