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/*
* QTest testcase for VirtIO 9P
*
* 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 "qemu/osdep.h"
#include "libqtest.h"
#include "qemu-common.h"
#include "libqos/libqos-pc.h"
#include "libqos/libqos-spapr.h"
#include "libqos/virtio.h"
#include "libqos/virtio-pci.h"
#include "standard-headers/linux/virtio_ids.h"
#include "standard-headers/linux/virtio_pci.h"
static const char mount_tag[] = "qtest";
typedef struct {
QVirtioDevice *dev;
QOSState *qs;
QVirtQueue *vq;
char *test_share;
} QVirtIO9P;
static QVirtIO9P *qvirtio_9p_start(const char *driver)
{
const char *arch = qtest_get_arch();
const char *cmd = "-fsdev local,id=fsdev0,security_model=none,path=%s "
"-device %s,fsdev=fsdev0,mount_tag=%s";
QVirtIO9P *v9p = g_new0(QVirtIO9P, 1);
v9p->test_share = g_strdup("/tmp/qtest.XXXXXX");
g_assert_nonnull(mkdtemp(v9p->test_share));
if (strcmp(arch, "i386") == 0 || strcmp(arch, "x86_64") == 0) {
v9p->qs = qtest_pc_boot(cmd, v9p->test_share, driver, mount_tag);
} else if (strcmp(arch, "ppc64") == 0) {
v9p->qs = qtest_spapr_boot(cmd, v9p->test_share, driver, mount_tag);
} else {
g_printerr("virtio-9p tests are only available on x86 or ppc64\n");
exit(EXIT_FAILURE);
}
return v9p;
}
static void qvirtio_9p_stop(QVirtIO9P *v9p)
{
qtest_shutdown(v9p->qs);
rmdir(v9p->test_share);
g_free(v9p->test_share);
g_free(v9p);
}
static QVirtIO9P *qvirtio_9p_pci_start(void)
{
QVirtIO9P *v9p = qvirtio_9p_start("virtio-9p-pci");
QVirtioPCIDevice *dev = qvirtio_pci_device_find(v9p->qs->pcibus,
VIRTIO_ID_9P);
g_assert_nonnull(dev);
g_assert_cmphex(dev->vdev.device_type, ==, VIRTIO_ID_9P);
v9p->dev = (QVirtioDevice *) dev;
qvirtio_pci_device_enable(dev);
qvirtio_reset(v9p->dev);
qvirtio_set_acknowledge(v9p->dev);
qvirtio_set_driver(v9p->dev);
v9p->vq = qvirtqueue_setup(v9p->dev, v9p->qs->alloc, 0);
return v9p;
}
static void qvirtio_9p_pci_stop(QVirtIO9P *v9p)
{
qvirtqueue_cleanup(v9p->dev->bus, v9p->vq, v9p->qs->alloc);
qvirtio_pci_device_disable(container_of(v9p->dev, QVirtioPCIDevice, vdev));
g_free(v9p->dev);
qvirtio_9p_stop(v9p);
}
static void pci_config(QVirtIO9P *v9p)
{
size_t tag_len = qvirtio_config_readw(v9p->dev, 0);
char *tag;
int i;
g_assert_cmpint(tag_len, ==, strlen(mount_tag));
tag = g_malloc(tag_len);
for (i = 0; i < tag_len; i++) {
tag[i] = qvirtio_config_readb(v9p->dev, i + 2);
}
g_assert_cmpmem(tag, tag_len, mount_tag, tag_len);
g_free(tag);
}
typedef void (*v9fs_test_fn)(QVirtIO9P *v9p);
static void v9fs_run_pci_test(gconstpointer data)
{
v9fs_test_fn fn = data;
QVirtIO9P *v9p = qvirtio_9p_pci_start();
if (fn) {
fn(v9p);
}
qvirtio_9p_pci_stop(v9p);
}
static void v9fs_qtest_pci_add(const char *path, v9fs_test_fn fn)
{
qtest_add_data_func(path, fn, v9fs_run_pci_test);
}
int main(int argc, char **argv)
{
g_test_init(&argc, &argv, NULL);
v9fs_qtest_pci_add("/virtio/9p/pci/nop", NULL);
v9fs_qtest_pci_add("/virtio/9p/pci/config", pci_config);
return g_test_run();
}
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