From: Marc-André Lureau <marcandre.lur...@redhat.com>
This test just checks that 2 virtio-net queues can be setup over
vhost-user and waits for them to be started.
Signed-off-by: Marc-André Lureau <marcandre.lur...@redhat.com>
Reviewed-by: Michael S. Tsirkin <m...@redhat.com>
Signed-off-by: Michael S. Tsirkin <m...@redhat.com>
---
tests/vhost-user-test.c | 109 ++++++++++++++++++++++++++++++++++++++++++++++--
tests/Makefile.include | 2 +-
2 files changed, 107 insertions(+), 4 deletions(-)
diff --git a/tests/vhost-user-test.c b/tests/vhost-user-test.c
index ab91e16..ffdd398 100644
--- a/tests/vhost-user-test.c
+++ b/tests/vhost-user-test.c
@@ -20,6 +20,11 @@
#include "libqos/pci-pc.h"
#include "libqos/virtio-pci.h"
+#include "libqos/pci-pc.h"
+#include "libqos/virtio-pci.h"
+#include "libqos/malloc-pc.h"
+#include "hw/virtio/virtio-net.h"
+
#include <linux/vhost.h>
#include <linux/virtio_ids.h>
#include <linux/virtio_net.h>
@@ -50,6 +55,7 @@
#define VHOST_MEMORY_MAX_NREGIONS 8
#define VHOST_USER_F_PROTOCOL_FEATURES 30
+#define VHOST_USER_PROTOCOL_F_MQ 0
#define VHOST_USER_PROTOCOL_F_LOG_SHMFD 1
#define VHOST_LOG_PAGE 0x1000
@@ -72,6 +78,7 @@ typedef enum VhostUserRequest {
VHOST_USER_SET_VRING_ERR = 14,
VHOST_USER_GET_PROTOCOL_FEATURES = 15,
VHOST_USER_SET_PROTOCOL_FEATURES = 16,
+ VHOST_USER_GET_QUEUE_NUM = 17,
VHOST_USER_SET_VRING_ENABLE = 18,
VHOST_USER_MAX
} VhostUserRequest;
@@ -136,6 +143,7 @@ typedef struct TestServer {
int log_fd;
uint64_t rings;
bool test_fail;
+ int queues;
} TestServer;
static const char *tmpfs;
@@ -281,6 +289,9 @@ static void chr_read(void *opaque, const uint8_t *buf, int
size)
msg.size = sizeof(m.payload.u64);
msg.payload.u64 = 0x1ULL << VHOST_F_LOG_ALL |
0x1ULL << VHOST_USER_F_PROTOCOL_FEATURES;
+ if (s->queues > 1) {
+ msg.payload.u64 |= 0x1ULL << VIRTIO_NET_F_MQ;
+ }
p = (uint8_t *) &msg;
qemu_chr_fe_write_all(chr, p, VHOST_USER_HDR_SIZE + msg.size);
break;
@@ -295,6 +306,9 @@ static void chr_read(void *opaque, const uint8_t *buf, int
size)
msg.flags |= VHOST_USER_REPLY_MASK;
msg.size = sizeof(m.payload.u64);
msg.payload.u64 = 1 << VHOST_USER_PROTOCOL_F_LOG_SHMFD;
+ if (s->queues > 1) {
+ msg.payload.u64 |= 1 << VHOST_USER_PROTOCOL_F_MQ;
+ }
p = (uint8_t *) &msg;
qemu_chr_fe_write_all(chr, p, VHOST_USER_HDR_SIZE + msg.size);
break;
@@ -307,7 +321,7 @@ static void chr_read(void *opaque, const uint8_t *buf, int
size)
p = (uint8_t *) &msg;
qemu_chr_fe_write_all(chr, p, VHOST_USER_HDR_SIZE + msg.size);
- assert(msg.payload.state.index < 2);
+ assert(msg.payload.state.index < s->queues * 2);
s->rings &= ~(0x1ULL << msg.payload.state.index);
break;
@@ -347,10 +361,18 @@ static void chr_read(void *opaque, const uint8_t *buf,
int size)
break;
case VHOST_USER_SET_VRING_BASE:
- assert(msg.payload.state.index < 2);
+ assert(msg.payload.state.index < s->queues * 2);
s->rings |= 0x1ULL << msg.payload.state.index;
break;
+ case VHOST_USER_GET_QUEUE_NUM:
+ msg.flags |= VHOST_USER_REPLY_MASK;
+ msg.size = sizeof(m.payload.u64);
+ msg.payload.u64 = s->queues;
+ p = (uint8_t *) &msg;
+ qemu_chr_fe_write_all(chr, p, VHOST_USER_HDR_SIZE + msg.size);
+ break;
+
default:
break;
}
@@ -397,6 +419,7 @@ static TestServer *test_server_new(const gchar *name)
g_cond_init(&server->data_cond);
server->log_fd = -1;
+ server->queues = 1;
return server;
}
@@ -648,7 +671,6 @@ static void test_migrate(void)
global_qtest = global;
}
-#ifdef CONFIG_HAS_GLIB_SUBPROCESS_TESTS
static void wait_for_rings_started(TestServer *s, size_t count)
{
gint64 end_time;
@@ -666,6 +688,7 @@ static void wait_for_rings_started(TestServer *s, size_t
count)
g_mutex_unlock(&s->data_mutex);
}
+#ifdef CONFIG_HAS_GLIB_SUBPROCESS_TESTS
static gboolean
reconnect_cb(gpointer user_data)
{
@@ -753,6 +776,85 @@ static void test_connect_fail(void)
#endif
+static QVirtioPCIDevice *virtio_net_pci_init(QPCIBus *bus, int slot)
+{
+ 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(&qvirtio_pci, &dev->vdev);
+ qvirtio_set_acknowledge(&qvirtio_pci, &dev->vdev);
+ qvirtio_set_driver(&qvirtio_pci, &dev->vdev);
+
+ return dev;
+}
+
+static void driver_init(const QVirtioBus *bus, QVirtioDevice *dev)
+{
+ uint32_t features;
+
+ features = qvirtio_get_features(bus, dev);
+ features = features & ~(QVIRTIO_F_BAD_FEATURE |
+ (1u << VIRTIO_RING_F_INDIRECT_DESC) |
+ (1u << VIRTIO_RING_F_EVENT_IDX));
+ qvirtio_set_features(bus, dev, features);
+
+ qvirtio_set_driver_ok(bus, dev);
+}
+
+#define PCI_SLOT 0x04
+
+static void test_multiqueue(void)
+{
+ const int queues = 2;
+ TestServer *s = test_server_new("mq");
+ QVirtioPCIDevice *dev;
+ QPCIBus *bus;
+ QVirtQueuePCI *vq[queues * 2];
+ QGuestAllocator *alloc;
+ char *cmd;
+ int i;
+
+ s->queues = queues;
+ test_server_listen(s);
+
+ cmd = g_strdup_printf(QEMU_CMD_MEM QEMU_CMD_CHR QEMU_CMD_NETDEV
",queues=%d "
+ "-device
virtio-net-pci,netdev=net0,mq=on,vectors=%d",
+ 512, 512, root, s->chr_name,
+ s->socket_path, "", s->chr_name,
+ queues, queues * 2 + 2);
+ qtest_start(cmd);
+ g_free(cmd);
+
+ bus = qpci_init_pc();
+ dev = virtio_net_pci_init(bus, PCI_SLOT);
+
+ alloc = pc_alloc_init();
+ for (i = 0; i < queues * 2; i++) {
+ vq[i] = (QVirtQueuePCI *)qvirtqueue_setup(&qvirtio_pci, &dev->vdev,
+ alloc, i);
+ }
+
+ driver_init(&qvirtio_pci, &dev->vdev);
+ wait_for_rings_started(s, queues * 2);
+
+ /* End test */
+ for (i = 0; i < queues * 2; i++) {
+ qvirtqueue_cleanup(&qvirtio_pci, &vq[i]->vq, alloc);
+ }
+ pc_alloc_uninit(alloc);
+ qvirtio_pci_device_disable(dev);
+ g_free(dev->pdev);
+ g_free(dev);
+ qpci_free_pc(bus);
+ qtest_end();
+
+ test_server_free(s);
+}
+
int main(int argc, char **argv)
{
QTestState *s = NULL;
@@ -798,6 +900,7 @@ int main(int argc, char **argv)
qtest_add_data_func("/vhost-user/read-guest-mem", server, read_guest_mem);
qtest_add_func("/vhost-user/migrate", test_migrate);
+ qtest_add_func("/vhost-user/multiqueue", test_multiqueue);
#ifdef CONFIG_HAS_GLIB_SUBPROCESS_TESTS
qtest_add_func("/vhost-user/reconnect/subprocess",
test_reconnect_subprocess);
diff --git a/tests/Makefile.include b/tests/Makefile.include
index d8101b3..2aa78c1 100644
--- a/tests/Makefile.include
+++ b/tests/Makefile.include
@@ -656,7 +656,7 @@ tests/usb-hcd-ehci-test$(EXESUF): tests/usb-hcd-ehci-test.o
$(libqos-usb-obj-y)
tests/usb-hcd-xhci-test$(EXESUF): tests/usb-hcd-xhci-test.o $(libqos-usb-obj-y)
tests/pc-cpu-test$(EXESUF): tests/pc-cpu-test.o
tests/postcopy-test$(EXESUF): tests/postcopy-test.o
-tests/vhost-user-test$(EXESUF): tests/vhost-user-test.o qemu-char.o
qemu-timer.o $(qtest-obj-y) $(test-io-obj-y) $(libqos-virtio-obj-y)
+tests/vhost-user-test$(EXESUF): tests/vhost-user-test.o qemu-char.o
qemu-timer.o $(qtest-obj-y) $(test-io-obj-y) $(libqos-virtio-obj-y)
$(libqos-pc-obj-y)
tests/qemu-iotests/socket_scm_helper$(EXESUF):
tests/qemu-iotests/socket_scm_helper.o
tests/test-qemu-opts$(EXESUF): tests/test-qemu-opts.o $(test-util-obj-y)
tests/test-write-threshold$(EXESUF): tests/test-write-threshold.o
$(test-block-obj-y)
--
MST
