tests: introduce basic pci test for virtio-net
Signed-off-by: Jason Wang <jasowang@redhat.com> Reviewed-by: Fam Zheng <famz@redhat.com> Message-id: 1437117954-16342-1-git-send-email-jasowang@redhat.com Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Jason Wang
Stefan Hajnoczi
parent
b9f7c377df
commit
2af40254bf
@ -381,7 +381,7 @@ tests/wdt_ib700-test$(EXESUF): tests/wdt_ib700-test.o
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tests/tco-test$(EXESUF): tests/tco-test.o $(libqos-pc-obj-y)
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tests/virtio-balloon-test$(EXESUF): tests/virtio-balloon-test.o
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tests/virtio-blk-test$(EXESUF): tests/virtio-blk-test.o $(libqos-virtio-obj-y)
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tests/virtio-net-test$(EXESUF): tests/virtio-net-test.o $(libqos-pc-obj-y)
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tests/virtio-net-test$(EXESUF): tests/virtio-net-test.o $(libqos-pc-obj-y) $(libqos-virtio-obj-y)
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tests/virtio-rng-test$(EXESUF): tests/virtio-rng-test.o $(libqos-pc-obj-y)
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tests/virtio-scsi-test$(EXESUF): tests/virtio-scsi-test.o $(libqos-virtio-obj-y)
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tests/virtio-9p-test$(EXESUF): tests/virtio-9p-test.o
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@ -10,20 +10,192 @@
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#include <glib.h>
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#include <string.h>
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#include "libqtest.h"
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#include "qemu-common.h"
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#include "qemu/sockets.h"
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#include "qemu/osdep.h"
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#include "libqos/pci.h"
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#include "qemu/iov.h"
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#include "libqos/pci-pc.h"
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#include "libqos/virtio.h"
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#include "libqos/virtio-pci.h"
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#include "libqos/malloc.h"
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#include "libqos/malloc-pc.h"
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#include "libqos/malloc-generic.h"
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#include "qemu/bswap.h"
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#include "hw/virtio/virtio-net.h"
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#define PCI_SLOT_HP 0x06
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#define PCI_SLOT 0x04
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#define PCI_FN 0x00
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/* Tests only initialization so far. TODO: Replace with functional tests */
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static void pci_nop(void)
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#define QVIRTIO_NET_TIMEOUT_US (30 * 1000 * 1000)
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#define VNET_HDR_SIZE sizeof(struct virtio_net_hdr_mrg_rxbuf)
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static void test_end(void)
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{
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qtest_end();
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}
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#ifndef _WIN32
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static QVirtioPCIDevice *virtio_net_pci_init(QPCIBus *bus, int slot)
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{
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QVirtioPCIDevice *dev;
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dev = qvirtio_pci_device_find(bus, QVIRTIO_NET_DEVICE_ID);
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g_assert(dev != NULL);
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g_assert_cmphex(dev->vdev.device_type, ==, QVIRTIO_NET_DEVICE_ID);
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qvirtio_pci_device_enable(dev);
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qvirtio_reset(&qvirtio_pci, &dev->vdev);
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qvirtio_set_acknowledge(&qvirtio_pci, &dev->vdev);
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qvirtio_set_driver(&qvirtio_pci, &dev->vdev);
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return dev;
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}
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static QPCIBus *pci_test_start(int socket)
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{
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char *cmdline;
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cmdline = g_strdup_printf("-netdev socket,fd=%d,id=hs0 -device "
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"virtio-net-pci,netdev=hs0", socket);
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qtest_start(cmdline);
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g_free(cmdline);
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return qpci_init_pc();
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}
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static void driver_init(const QVirtioBus *bus, QVirtioDevice *dev)
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{
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uint32_t features;
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features = qvirtio_get_features(bus, dev);
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features = features & ~(QVIRTIO_F_BAD_FEATURE |
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QVIRTIO_F_RING_INDIRECT_DESC |
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QVIRTIO_F_RING_EVENT_IDX);
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qvirtio_set_features(bus, dev, features);
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qvirtio_set_driver_ok(bus, dev);
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}
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static void rx_test(const QVirtioBus *bus, QVirtioDevice *dev,
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QGuestAllocator *alloc, QVirtQueue *vq,
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int socket)
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{
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uint64_t req_addr;
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uint32_t free_head;
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char test[] = "TEST";
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char buffer[64];
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int len = htonl(sizeof(test));
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struct iovec iov[] = {
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{
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.iov_base = &len,
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.iov_len = sizeof(len),
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}, {
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.iov_base = test,
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.iov_len = sizeof(test),
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},
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};
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int ret;
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req_addr = guest_alloc(alloc, 64);
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free_head = qvirtqueue_add(vq, req_addr, 64, true, false);
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qvirtqueue_kick(bus, dev, vq, free_head);
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ret = iov_send(socket, iov, 2, 0, sizeof(len) + sizeof(test));
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g_assert_cmpint(ret, ==, sizeof(test) + sizeof(len));
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qvirtio_wait_queue_isr(bus, dev, vq, QVIRTIO_NET_TIMEOUT_US);
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memread(req_addr + VNET_HDR_SIZE, buffer, sizeof(test));
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g_assert_cmpstr(buffer, ==, "TEST");
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guest_free(alloc, req_addr);
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}
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static void tx_test(const QVirtioBus *bus, QVirtioDevice *dev,
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QGuestAllocator *alloc, QVirtQueue *vq,
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int socket)
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{
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uint64_t req_addr;
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uint32_t free_head;
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uint32_t len;
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char buffer[64];
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int ret;
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req_addr = guest_alloc(alloc, 64);
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memwrite(req_addr + VNET_HDR_SIZE, "TEST", 4);
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free_head = qvirtqueue_add(vq, req_addr, 64, false, false);
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qvirtqueue_kick(bus, dev, vq, free_head);
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qvirtio_wait_queue_isr(bus, dev, vq, QVIRTIO_NET_TIMEOUT_US);
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guest_free(alloc, req_addr);
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ret = qemu_recv(socket, &len, sizeof(len), 0);
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g_assert_cmpint(ret, ==, sizeof(len));
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len = ntohl(len);
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ret = qemu_recv(socket, buffer, len, 0);
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g_assert_cmpstr(buffer, ==, "TEST");
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}
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static void send_recv_test(const QVirtioBus *bus, QVirtioDevice *dev,
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QGuestAllocator *alloc, QVirtQueue *rvq,
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QVirtQueue *tvq, int socket)
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{
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rx_test(bus, dev, alloc, rvq, socket);
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tx_test(bus, dev, alloc, tvq, socket);
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}
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static void pci_basic(gconstpointer data)
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{
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QVirtioPCIDevice *dev;
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QPCIBus *bus;
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QVirtQueuePCI *tx, *rx;
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QGuestAllocator *alloc;
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void (*func) (const QVirtioBus *bus,
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QVirtioDevice *dev,
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QGuestAllocator *alloc,
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QVirtQueue *rvq,
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QVirtQueue *tvq,
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int socket) = data;
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int sv[2], ret;
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ret = socketpair(PF_UNIX, SOCK_STREAM, 0, sv);
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g_assert_cmpint(ret, !=, -1);
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bus = pci_test_start(sv[1]);
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dev = virtio_net_pci_init(bus, PCI_SLOT);
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alloc = pc_alloc_init();
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rx = (QVirtQueuePCI *)qvirtqueue_setup(&qvirtio_pci, &dev->vdev,
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alloc, 0);
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tx = (QVirtQueuePCI *)qvirtqueue_setup(&qvirtio_pci, &dev->vdev,
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alloc, 1);
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driver_init(&qvirtio_pci, &dev->vdev);
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func(&qvirtio_pci, &dev->vdev, alloc, &rx->vq, &tx->vq, sv[0]);
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/* End test */
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close(sv[0]);
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guest_free(alloc, tx->vq.desc);
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pc_alloc_uninit(alloc);
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qvirtio_pci_device_disable(dev);
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g_free(dev);
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qpci_free_pc(bus);
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test_end();
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}
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#endif
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static void hotplug(void)
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{
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qtest_start("-device virtio-net-pci");
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qpci_plug_device_test("virtio-net-pci", "net1", PCI_SLOT_HP, NULL);
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qpci_unplug_acpi_device_test("net1", PCI_SLOT_HP);
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test_end();
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}
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int main(int argc, char **argv)
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@ -31,13 +203,12 @@ int main(int argc, char **argv)
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int ret;
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g_test_init(&argc, &argv, NULL);
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qtest_add_func("/virtio/net/pci/nop", pci_nop);
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#ifndef _WIN32
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qtest_add_data_func("/virtio/net/pci/basic", send_recv_test, pci_basic);
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#endif
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qtest_add_func("/virtio/net/pci/hotplug", hotplug);
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qtest_start("-device virtio-net-pci");
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ret = g_test_run();
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qtest_end();
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return ret;
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}
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