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-rw-r--r--tests/Makefile.include1
-rw-r--r--tests/libqos/virtio-blk.c124
-rw-r--r--tests/libqos/virtio-blk.h40
3 files changed, 165 insertions, 0 deletions
diff --git a/tests/Makefile.include b/tests/Makefile.include
index ebf2212286..5ef1b9b1cb 100644
--- a/tests/Makefile.include
+++ b/tests/Makefile.include
@@ -744,6 +744,7 @@ qos-test-obj-y += tests/libqos/sdhci.o
qos-test-obj-y += $(libqos-virtio-obj-y)
qos-test-obj-$(CONFIG_VIRTFS) += tests/libqos/virtio-9p.o
qos-test-obj-y += tests/libqos/virtio-balloon.o
+qos-test-obj-y += tests/libqos/virtio-blk.o
qos-test-obj-y += tests/libqos/virtio-rng.o
qos-test-obj-y += tests/libqos/virtio-serial.o
diff --git a/tests/libqos/virtio-blk.c b/tests/libqos/virtio-blk.c
new file mode 100644
index 0000000000..c17bdf4217
--- /dev/null
+++ b/tests/libqos/virtio-blk.c
@@ -0,0 +1,124 @@
+/*
+ * libqos driver framework
+ *
+ * Copyright (c) 2018 Emanuele Giuseppe Esposito <e.emanuelegiuseppe@gmail.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License version 2 as published by the Free Software Foundation.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, see <http://www.gnu.org/licenses/>
+ */
+
+#include "qemu/osdep.h"
+#include "libqtest.h"
+#include "standard-headers/linux/virtio_blk.h"
+#include "libqos/qgraph.h"
+#include "libqos/virtio-blk.h"
+
+#define PCI_SLOT 0x04
+#define PCI_FN 0x00
+
+/* virtio-blk-device */
+static void *qvirtio_blk_get_driver(QVirtioBlk *v_blk,
+ const char *interface)
+{
+ if (!g_strcmp0(interface, "virtio-blk")) {
+ return v_blk;
+ }
+ if (!g_strcmp0(interface, "virtio")) {
+ return v_blk->vdev;
+ }
+
+ fprintf(stderr, "%s not present in virtio-blk-device\n", interface);
+ g_assert_not_reached();
+}
+
+static void *qvirtio_blk_device_get_driver(void *object,
+ const char *interface)
+{
+ QVirtioBlkDevice *v_blk = object;
+ return qvirtio_blk_get_driver(&v_blk->blk, interface);
+}
+
+static void *virtio_blk_device_create(void *virtio_dev,
+ QGuestAllocator *t_alloc,
+ void *addr)
+{
+ QVirtioBlkDevice *virtio_blk = g_new0(QVirtioBlkDevice, 1);
+ QVirtioBlk *interface = &virtio_blk->blk;
+
+ interface->vdev = virtio_dev;
+
+ virtio_blk->obj.get_driver = qvirtio_blk_device_get_driver;
+
+ return &virtio_blk->obj;
+}
+
+/* virtio-blk-pci */
+static void *qvirtio_blk_pci_get_driver(void *object, const char *interface)
+{
+ QVirtioBlkPCI *v_blk = object;
+ if (!g_strcmp0(interface, "pci-device")) {
+ return v_blk->pci_vdev.pdev;
+ }
+ return qvirtio_blk_get_driver(&v_blk->blk, interface);
+}
+
+static void *virtio_blk_pci_create(void *pci_bus, QGuestAllocator *t_alloc,
+ void *addr)
+{
+ QVirtioBlkPCI *virtio_blk = g_new0(QVirtioBlkPCI, 1);
+ QVirtioBlk *interface = &virtio_blk->blk;
+ QOSGraphObject *obj = &virtio_blk->pci_vdev.obj;
+
+ virtio_pci_init(&virtio_blk->pci_vdev, pci_bus, addr);
+ interface->vdev = &virtio_blk->pci_vdev.vdev;
+
+ g_assert_cmphex(interface->vdev->device_type, ==, VIRTIO_ID_BLOCK);
+
+ obj->get_driver = qvirtio_blk_pci_get_driver;
+
+ return obj;
+}
+
+static void virtio_blk_register_nodes(void)
+{
+ /* FIXME: every test using these two nodes needs to setup a
+ * -drive,id=drive0 otherwise QEMU is not going to start.
+ * Therefore, we do not include "produces" edge for virtio
+ * and pci-device yet.
+ */
+
+ char *arg = g_strdup_printf("id=drv0,drive=drive0,addr=%x.%x",
+ PCI_SLOT, PCI_FN);
+
+ QPCIAddress addr = {
+ .devfn = QPCI_DEVFN(PCI_SLOT, PCI_FN),
+ };
+
+ QOSGraphEdgeOptions opts = { };
+
+ /* virtio-blk-device */
+ opts.extra_device_opts = "drive=drive0";
+ qos_node_create_driver("virtio-blk-device", virtio_blk_device_create);
+ qos_node_consumes("virtio-blk-device", "virtio-bus", &opts);
+ qos_node_produces("virtio-blk-device", "virtio-blk");
+
+ /* virtio-blk-pci */
+ opts.extra_device_opts = arg;
+ add_qpci_address(&opts, &addr);
+ qos_node_create_driver("virtio-blk-pci", virtio_blk_pci_create);
+ qos_node_consumes("virtio-blk-pci", "pci-bus", &opts);
+ qos_node_produces("virtio-blk-pci", "virtio-blk");
+
+ g_free(arg);
+}
+
+libqos_init(virtio_blk_register_nodes);
diff --git a/tests/libqos/virtio-blk.h b/tests/libqos/virtio-blk.h
new file mode 100644
index 0000000000..dc258496ba
--- /dev/null
+++ b/tests/libqos/virtio-blk.h
@@ -0,0 +1,40 @@
+/*
+ * libqos driver framework
+ *
+ * Copyright (c) 2018 Emanuele Giuseppe Esposito <e.emanuelegiuseppe@gmail.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License version 2 as published by the Free Software Foundation.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, see <http://www.gnu.org/licenses/>
+ */
+
+#include "libqos/qgraph.h"
+#include "libqos/virtio.h"
+#include "libqos/virtio-pci.h"
+
+typedef struct QVirtioBlk QVirtioBlk;
+typedef struct QVirtioBlkPCI QVirtioBlkPCI;
+typedef struct QVirtioBlkDevice QVirtioBlkDevice;
+
+/* virtqueue is created in each test */
+struct QVirtioBlk {
+ QVirtioDevice *vdev;
+};
+
+struct QVirtioBlkPCI {
+ QVirtioPCIDevice pci_vdev;
+ QVirtioBlk blk;
+};
+
+struct QVirtioBlkDevice {
+ QOSGraphObject obj;
+ QVirtioBlk blk;
+};
generated by cgit v1.2.3 (git 2.26.2) at 2024-12-15 06:14:26 +0000