X-Git-Url: https://repo.jachan.dev/qemu.git/blobdiff_plain/31cc9514a50d1dc9fc71aec4e309c8af6fd83f3e..a2e2d7fc46fd8be875035d9bb5c64788389f65c2:/tests/virtio-net-test.c

diff --git a/tests/virtio-net-test.c b/tests/virtio-net-test.c
index ea7478c278..0a3c5dd257 100644
--- a/tests/virtio-net-test.c
+++ b/tests/virtio-net-test.c
@@ -7,37 +7,266 @@
  * See the COPYING file in the top-level directory.
  */
 
-#include <glib.h>
-#include <string.h>
-#include "libqtest.h"
 #include "qemu/osdep.h"
-#include "libqos/pci.h"
+#include "libqtest.h"
+#include "qemu-common.h"
+#include "qemu/sockets.h"
+#include "qemu/iov.h"
+#include "libqos/libqos-pc.h"
+#include "libqos/libqos-spapr.h"
+#include "libqos/virtio.h"
+#include "libqos/virtio-pci.h"
+#include "qapi/qmp/qdict.h"
+#include "qemu/bswap.h"
+#include "hw/virtio/virtio-net.h"
+#include "standard-headers/linux/virtio_ids.h"
+#include "standard-headers/linux/virtio_ring.h"
 
 #define PCI_SLOT_HP             0x06
+#define PCI_SLOT                0x04
+#define PCI_FN                  0x00
+
+#define QVIRTIO_NET_TIMEOUT_US (30 * 1000 * 1000)
+#define VNET_HDR_SIZE sizeof(struct virtio_net_hdr_mrg_rxbuf)
 
-/* Tests only initialization so far. TODO: Replace with functional tests */
-static void pci_nop(void)
+static void test_end(void)
 {
+    qtest_end();
 }
 
-static void hotplug(void)
+#ifndef _WIN32
+
+static QVirtioPCIDevice *virtio_net_pci_init(QPCIBus *bus, int slot)
 {
-    qpci_plug_device_test("virtio-net-pci", "net1", PCI_SLOT_HP, NULL);
-    qpci_unplug_acpi_device_test("net1", PCI_SLOT_HP);
+    QVirtioPCIDevice *dev;
+
+    dev = qvirtio_pci_device_find(bus, VIRTIO_ID_NET);
+    g_assert(dev != NULL);
+    g_assert_cmphex(dev->vdev.device_type, ==, VIRTIO_ID_NET);
+
+    qvirtio_pci_device_enable(dev);
+    qvirtio_reset(&dev->vdev);
+    qvirtio_set_acknowledge(&dev->vdev);
+    qvirtio_set_driver(&dev->vdev);
+
+    return dev;
 }
 
-int main(int argc, char **argv)
+static QOSState *pci_test_start(int socket)
+{
+    QOSState *qs;
+    const char *arch = qtest_get_arch();
+    const char *cmd = "-netdev socket,fd=%d,id=hs0 -device "
+                      "virtio-net-pci,netdev=hs0";
+
+    if (strcmp(arch, "i386") == 0 || strcmp(arch, "x86_64") == 0) {
+        qs = qtest_pc_boot(cmd, socket);
+    } else if (strcmp(arch, "ppc64") == 0) {
+        qs = qtest_spapr_boot(cmd, socket);
+    } else {
+        g_printerr("virtio-net tests are only available on x86 or ppc64\n");
+        exit(EXIT_FAILURE);
+    }
+    global_qtest = qs->qts;
+    return qs;
+}
+
+static void driver_init(QVirtioDevice *dev)
 {
+    uint32_t features;
+
+    features = qvirtio_get_features(dev);
+    features = features & ~(QVIRTIO_F_BAD_FEATURE |
+                            (1u << VIRTIO_RING_F_INDIRECT_DESC) |
+                            (1u << VIRTIO_RING_F_EVENT_IDX));
+    qvirtio_set_features(dev, features);
+
+    qvirtio_set_driver_ok(dev);
+}
+
+static void rx_test(QVirtioDevice *dev,
+                    QGuestAllocator *alloc, QVirtQueue *vq,
+                    int socket)
+{
+    uint64_t req_addr;
+    uint32_t free_head;
+    char test[] = "TEST";
+    char buffer[64];
+    int len = htonl(sizeof(test));
+    struct iovec iov[] = {
+        {
+            .iov_base = &len,
+            .iov_len = sizeof(len),
+        }, {
+            .iov_base = test,
+            .iov_len = sizeof(test),
+        },
+    };
     int ret;
 
-    g_test_init(&argc, &argv, NULL);
-    qtest_add_func("/virtio/net/pci/nop", pci_nop);
-    qtest_add_func("/virtio/net/pci/hotplug", hotplug);
+    req_addr = guest_alloc(alloc, 64);
+
+    free_head = qvirtqueue_add(vq, req_addr, 64, true, false);
+    qvirtqueue_kick(dev, vq, free_head);
+
+    ret = iov_send(socket, iov, 2, 0, sizeof(len) + sizeof(test));
+    g_assert_cmpint(ret, ==, sizeof(test) + sizeof(len));
+
+    qvirtio_wait_used_elem(dev, vq, free_head, NULL, QVIRTIO_NET_TIMEOUT_US);
+    memread(req_addr + VNET_HDR_SIZE, buffer, sizeof(test));
+    g_assert_cmpstr(buffer, ==, "TEST");
+
+    guest_free(alloc, req_addr);
+}
+
+static void tx_test(QVirtioDevice *dev,
+                    QGuestAllocator *alloc, QVirtQueue *vq,
+                    int socket)
+{
+    uint64_t req_addr;
+    uint32_t free_head;
+    uint32_t len;
+    char buffer[64];
+    int ret;
+
+    req_addr = guest_alloc(alloc, 64);
+    memwrite(req_addr + VNET_HDR_SIZE, "TEST", 4);
+
+    free_head = qvirtqueue_add(vq, req_addr, 64, false, false);
+    qvirtqueue_kick(dev, vq, free_head);
+
+    qvirtio_wait_used_elem(dev, vq, free_head, NULL, QVIRTIO_NET_TIMEOUT_US);
+    guest_free(alloc, req_addr);
+
+    ret = qemu_recv(socket, &len, sizeof(len), 0);
+    g_assert_cmpint(ret, ==, sizeof(len));
+    len = ntohl(len);
+
+    ret = qemu_recv(socket, buffer, len, 0);
+    g_assert_cmpstr(buffer, ==, "TEST");
+}
+
+static void rx_stop_cont_test(QVirtioDevice *dev,
+                              QGuestAllocator *alloc, QVirtQueue *vq,
+                              int socket)
+{
+    uint64_t req_addr;
+    uint32_t free_head;
+    char test[] = "TEST";
+    char buffer[64];
+    int len = htonl(sizeof(test));
+    QDict *rsp;
+    struct iovec iov[] = {
+        {
+            .iov_base = &len,
+            .iov_len = sizeof(len),
+        }, {
+            .iov_base = test,
+            .iov_len = sizeof(test),
+        },
+    };
+    int ret;
+
+    req_addr = guest_alloc(alloc, 64);
+
+    free_head = qvirtqueue_add(vq, req_addr, 64, true, false);
+    qvirtqueue_kick(dev, vq, free_head);
+
+    rsp = qmp("{ 'execute' : 'stop'}");
+    QDECREF(rsp);
+
+    ret = iov_send(socket, iov, 2, 0, sizeof(len) + sizeof(test));
+    g_assert_cmpint(ret, ==, sizeof(test) + sizeof(len));
+
+    /* We could check the status, but this command is more importantly to
+     * ensure the packet data gets queued in QEMU, before we do 'cont'.
+     */
+    rsp = qmp("{ 'execute' : 'query-status'}");
+    QDECREF(rsp);
+    rsp = qmp("{ 'execute' : 'cont'}");
+    QDECREF(rsp);
+
+    qvirtio_wait_used_elem(dev, vq, free_head, NULL, QVIRTIO_NET_TIMEOUT_US);
+    memread(req_addr + VNET_HDR_SIZE, buffer, sizeof(test));
+    g_assert_cmpstr(buffer, ==, "TEST");
+
+    guest_free(alloc, req_addr);
+}
+
+static void send_recv_test(QVirtioDevice *dev,
+                           QGuestAllocator *alloc, QVirtQueue *rvq,
+                           QVirtQueue *tvq, int socket)
+{
+    rx_test(dev, alloc, rvq, socket);
+    tx_test(dev, alloc, tvq, socket);
+}
+
+static void stop_cont_test(QVirtioDevice *dev,
+                           QGuestAllocator *alloc, QVirtQueue *rvq,
+                           QVirtQueue *tvq, int socket)
+{
+    rx_stop_cont_test(dev, alloc, rvq, socket);
+}
+
+static void pci_basic(gconstpointer data)
+{
+    QVirtioPCIDevice *dev;
+    QOSState *qs;
+    QVirtQueuePCI *tx, *rx;
+    void (*func) (QVirtioDevice *dev,
+                  QGuestAllocator *alloc,
+                  QVirtQueue *rvq,
+                  QVirtQueue *tvq,
+                  int socket) = data;
+    int sv[2], ret;
+
+    ret = socketpair(PF_UNIX, SOCK_STREAM, 0, sv);
+    g_assert_cmpint(ret, !=, -1);
+
+    qs = pci_test_start(sv[1]);
+    dev = virtio_net_pci_init(qs->pcibus, PCI_SLOT);
+
+    rx = (QVirtQueuePCI *)qvirtqueue_setup(&dev->vdev, qs->alloc, 0);
+    tx = (QVirtQueuePCI *)qvirtqueue_setup(&dev->vdev, qs->alloc, 1);
+
+    driver_init(&dev->vdev);
+    func(&dev->vdev, qs->alloc, &rx->vq, &tx->vq, sv[0]);
+
+    /* End test */
+    close(sv[0]);
+    qvirtqueue_cleanup(dev->vdev.bus, &tx->vq, qs->alloc);
+    qvirtqueue_cleanup(dev->vdev.bus, &rx->vq, qs->alloc);
+    qvirtio_pci_device_disable(dev);
+    g_free(dev->pdev);
+    g_free(dev);
+    qtest_shutdown(qs);
+}
+#endif
+
+static void hotplug(void)
+{
+    const char *arch = qtest_get_arch();
 
     qtest_start("-device virtio-net-pci");
-    ret = g_test_run();
 
-    qtest_end();
+    qpci_plug_device_test("virtio-net-pci", "net1", PCI_SLOT_HP, NULL);
+
+    if (strcmp(arch, "i386") == 0 || strcmp(arch, "x86_64") == 0) {
+        qpci_unplug_acpi_device_test("net1", PCI_SLOT_HP);
+    }
+
+    test_end();
+}
+
+int main(int argc, char **argv)
+{
+    g_test_init(&argc, &argv, NULL);
+#ifndef _WIN32
+    qtest_add_data_func("/virtio/net/pci/basic", send_recv_test, pci_basic);
+    qtest_add_data_func("/virtio/net/pci/rx_stop_cont",
+                        stop_cont_test, pci_basic);
+#endif
+    qtest_add_func("/virtio/net/pci/hotplug", hotplug);
 
-    return ret;
+    return g_test_run();
 }