[Qemu-devel] [PATCH 1/6] tests/libqos: Get rid of global_qtest dependency in qvring_init()

[Thomas Huth <thuth@redhat.com>]

Library functions should not depend on global_qtest functions like
writew() and writeq(), so that they can also be used in tests that
deal with multiple QTestStates at the same time (like migration tests).

Signed-off-by: Thomas Huth <thuth@redhat.com>
---
 tests/libqos/virtio-mmio.c |  2 +-
 tests/libqos/virtio-pci.c  |  3 ++-
 tests/libqos/virtio.c      | 18 ++++++++++--------
 tests/libqos/virtio.h      |  3 ++-
 4 files changed, 15 insertions(+), 11 deletions(-)

diff --git a/tests/libqos/virtio-mmio.c b/tests/libqos/virtio-mmio.c
index 3678c07ef0..213a5f9de0 100644
--- a/tests/libqos/virtio-mmio.c
+++ b/tests/libqos/virtio-mmio.c
@@ -148,7 +148,7 @@ static QVirtQueue *qvirtio_mmio_virtqueue_setup(QVirtioDevice *d,
     g_assert_cmpint(vq->size & (vq->size - 1), ==, 0);
 
     addr = guest_alloc(alloc, qvring_size(vq->size, dev->page_size));
-    qvring_init(alloc, vq, addr);
+    qvring_init(dev->qts, alloc, vq, addr);
     qvirtio_mmio_set_queue_address(d, vq->desc / dev->page_size);
 
     return vq;
diff --git a/tests/libqos/virtio-pci.c b/tests/libqos/virtio-pci.c
index 993d347830..a622ca26ca 100644
--- a/tests/libqos/virtio-pci.c
+++ b/tests/libqos/virtio-pci.c
@@ -199,6 +199,7 @@ static QVirtQueue *qvirtio_pci_virtqueue_setup(QVirtioDevice *d,
     uint32_t feat;
     uint64_t addr;
     QVirtQueuePCI *vqpci;
+    QVirtioPCIDevice *qvpcidev = container_of(d, QVirtioPCIDevice, vdev);
 
     vqpci = g_malloc0(sizeof(*vqpci));
     feat = qvirtio_pci_get_guest_features(d);
@@ -224,7 +225,7 @@ static QVirtQueue *qvirtio_pci_virtqueue_setup(QVirtioDevice *d,
 
     addr = guest_alloc(alloc, qvring_size(vqpci->vq.size,
                                           VIRTIO_PCI_VRING_ALIGN));
-    qvring_init(alloc, &vqpci->vq, addr);
+    qvring_init(qvpcidev->pdev->bus->qts, alloc, &vqpci->vq, addr);
     qvirtio_pci_set_queue_address(d, vqpci->vq.desc / VIRTIO_PCI_VRING_ALIGN);
 
     return &vqpci->vq;
diff --git a/tests/libqos/virtio.c b/tests/libqos/virtio.c
index 5e8f39b4d3..b4c01dc0c1 100644
--- a/tests/libqos/virtio.c
+++ b/tests/libqos/virtio.c
@@ -162,7 +162,8 @@ void qvirtio_wait_config_isr(QVirtioDevice *d, gint64 timeout_us)
     }
 }
 
-void qvring_init(const QGuestAllocator *alloc, QVirtQueue *vq, uint64_t addr)
+void qvring_init(QTestState *qts, const QGuestAllocator *alloc, QVirtQueue *vq,
+                 uint64_t addr)
 {
     int i;
 
@@ -173,22 +174,23 @@ void qvring_init(const QGuestAllocator *alloc, QVirtQueue *vq, uint64_t addr)
 
     for (i = 0; i < vq->size - 1; i++) {
         /* vq->desc[i].addr */
-        writeq(vq->desc + (16 * i), 0);
+        qtest_writeq(qts, vq->desc + (16 * i), 0);
         /* vq->desc[i].next */
-        writew(vq->desc + (16 * i) + 14, i + 1);
+        qtest_writew(qts, vq->desc + (16 * i) + 14, i + 1);
     }
 
     /* vq->avail->flags */
-    writew(vq->avail, 0);
+    qtest_writew(qts, vq->avail, 0);
     /* vq->avail->idx */
-    writew(vq->avail + 2, 0);
+    qtest_writew(qts, vq->avail + 2, 0);
     /* vq->avail->used_event */
-    writew(vq->avail + 4 + (2 * vq->size), 0);
+    qtest_writew(qts, vq->avail + 4 + (2 * vq->size), 0);
 
     /* vq->used->flags */
-    writew(vq->used, 0);
+    qtest_writew(qts, vq->used, 0);
     /* vq->used->avail_event */
-    writew(vq->used + 2 + sizeof(struct vring_used_elem) * vq->size, 0);
+    qtest_writew(qts, vq->used + 2 + sizeof(struct vring_used_elem) * vq->size,
+                 0);
 }
 
 QVRingIndirectDesc *qvring_indirect_desc_setup(QVirtioDevice *d,
diff --git a/tests/libqos/virtio.h b/tests/libqos/virtio.h
index 51d2359ace..7b97f5e567 100644
--- a/tests/libqos/virtio.h
+++ b/tests/libqos/virtio.h
@@ -129,7 +129,8 @@ QVirtQueue *qvirtqueue_setup(QVirtioDevice *d,
 void qvirtqueue_cleanup(const QVirtioBus *bus, QVirtQueue *vq,
                         QGuestAllocator *alloc);
 
-void qvring_init(const QGuestAllocator *alloc, QVirtQueue *vq, uint64_t addr);
+void qvring_init(QTestState *qts, const QGuestAllocator *alloc, QVirtQueue *vq,
+                 uint64_t addr);
 QVRingIndirectDesc *qvring_indirect_desc_setup(QVirtioDevice *d,
                                         QGuestAllocator *alloc, uint16_t elem);
 void qvring_indirect_desc_add(QVRingIndirectDesc *indirect, uint64_t data,
-- 
2.21.0