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/*
* QTest testcase for VirtIO NIC
*
* Copyright (c) 2014 SUSE LINUX Products GmbH
*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*/
#include <glib.h>
#include <string.h>
#include "libqtest.h"
#include "qemu-common.h"
#include "qemu/sockets.h"
#include "qemu/osdep.h"
#include "qemu/iov.h"
#include "libqos/pci-pc.h"
#include "libqos/virtio.h"
#include "libqos/virtio-pci.h"
#include "libqos/malloc.h"
#include "libqos/malloc-pc.h"
#include "libqos/malloc-generic.h"
#include "qemu/bswap.h"
#include "hw/virtio/virtio-net.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)
static void test_end(void)
{
qtest_end();
}
#ifndef _WIN32
static QVirtioPCIDevice *virtio_net_pci_init(QPCIBus *bus, int slot)
{
QVirtioPCIDevice *dev;
dev = qvirtio_pci_device_find(bus, QVIRTIO_NET_DEVICE_ID);
g_assert(dev != NULL);
g_assert_cmphex(dev->vdev.device_type, ==, QVIRTIO_NET_DEVICE_ID);
qvirtio_pci_device_enable(dev);
qvirtio_reset(&qvirtio_pci, &dev->vdev);
qvirtio_set_acknowledge(&qvirtio_pci, &dev->vdev);
qvirtio_set_driver(&qvirtio_pci, &dev->vdev);
return dev;
}
static QPCIBus *pci_test_start(int socket)
{
char *cmdline;
cmdline = g_strdup_printf("-netdev socket,fd=%d,id=hs0 -device "
"virtio-net-pci,netdev=hs0", socket);
qtest_start(cmdline);
g_free(cmdline);
return qpci_init_pc();
}
static void driver_init(const QVirtioBus *bus, QVirtioDevice *dev)
{
uint32_t features;
features = qvirtio_get_features(bus, dev);
features = features & ~(QVIRTIO_F_BAD_FEATURE |
QVIRTIO_F_RING_INDIRECT_DESC |
QVIRTIO_F_RING_EVENT_IDX);
qvirtio_set_features(bus, dev, features);
qvirtio_set_driver_ok(bus, dev);
}
static void rx_test(const QVirtioBus *bus, 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;
req_addr = guest_alloc(alloc, 64);
free_head = qvirtqueue_add(vq, req_addr, 64, true, false);
qvirtqueue_kick(bus, 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_queue_isr(bus, dev, vq, 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(const QVirtioBus *bus, 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(bus, dev, vq, free_head);
qvirtio_wait_queue_isr(bus, dev, vq, 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 send_recv_test(const QVirtioBus *bus, QVirtioDevice *dev,
QGuestAllocator *alloc, QVirtQueue *rvq,
QVirtQueue *tvq, int socket)
{
rx_test(bus, dev, alloc, rvq, socket);
tx_test(bus, dev, alloc, tvq, socket);
}
static void pci_basic(gconstpointer data)
{
QVirtioPCIDevice *dev;
QPCIBus *bus;
QVirtQueuePCI *tx, *rx;
QGuestAllocator *alloc;
void (*func) (const QVirtioBus *bus,
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);
bus = pci_test_start(sv[1]);
dev = virtio_net_pci_init(bus, PCI_SLOT);
alloc = pc_alloc_init();
rx = (QVirtQueuePCI *)qvirtqueue_setup(&qvirtio_pci, &dev->vdev,
alloc, 0);
tx = (QVirtQueuePCI *)qvirtqueue_setup(&qvirtio_pci, &dev->vdev,
alloc, 1);
driver_init(&qvirtio_pci, &dev->vdev);
func(&qvirtio_pci, &dev->vdev, alloc, &rx->vq, &tx->vq, sv[0]);
/* End test */
close(sv[0]);
guest_free(alloc, tx->vq.desc);
pc_alloc_uninit(alloc);
qvirtio_pci_device_disable(dev);
g_free(dev);
qpci_free_pc(bus);
test_end();
}
#endif
static void hotplug(void)
{
qtest_start("-device virtio-net-pci");
qpci_plug_device_test("virtio-net-pci", "net1", PCI_SLOT_HP, NULL);
qpci_unplug_acpi_device_test("net1", PCI_SLOT_HP);
test_end();
}
int main(int argc, char **argv)
{
int ret;
g_test_init(&argc, &argv, NULL);
#ifndef _WIN32
qtest_add_data_func("/virtio/net/pci/basic", send_recv_test, pci_basic);
#endif
qtest_add_func("/virtio/net/pci/hotplug", hotplug);
ret = g_test_run();
return ret;
}
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