tools/virtio: fix build for 3.8

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

drivers/vhost/test.c

@@ -275,7 +275,9 @@ static long vhost_test_ioctl(struct file *f, unsigned int ioctl,
 		return vhost_test_reset_owner(n);
 	default:
 		mutex_lock(&n->dev.mutex);
-		r = vhost_dev_ioctl(&n->dev, ioctl, arg);
+		r = vhost_dev_ioctl(&n->dev, ioctl, argp);
+                if (r == -ENOIOCTLCMD)
+                        r = vhost_vring_ioctl(&n->dev, ioctl, argp);
 		vhost_test_flush(n);
 		mutex_unlock(&n->dev.mutex);
 		return r;

tools/virtio/Makefile

 all: test mod
 test: virtio_test
 virtio_test: virtio_ring.o virtio_test.o
-CFLAGS += -g -O2 -Wall -I. -I ../../usr/include/ -Wno-pointer-sign -fno-strict-overflow  -MMD
+CFLAGS += -g -O2 -Wall -I. -I ../../usr/include/ -Wno-pointer-sign -fno-strict-overflow -fno-strict-aliasing -fno-common -MMD
 vpath %.c ../../drivers/virtio
 mod:
 	${MAKE} -C `pwd`/../.. M=`pwd`/vhost_test

tools/virtio/linux/virtio.h

@@ -85,6 +85,8 @@ typedef __u16 u16;
 typedef enum {
 	GFP_KERNEL,
 	GFP_ATOMIC,
+	__GFP_HIGHMEM,
+	__GFP_HIGH
 } gfp_t;
 typedef enum {
 	IRQ_NONE,
@@ -163,6 +165,8 @@ struct virtqueue {
 	void (*callback)(struct virtqueue *vq);
 	const char *name;
 	struct virtio_device *vdev;
+        unsigned int index;
+        unsigned int num_free;
 	void *priv;
 };
 
@@ -206,7 +210,8 @@ bool virtqueue_enable_cb(struct virtqueue *vq);
 bool virtqueue_enable_cb_delayed(struct virtqueue *vq);
 
 void *virtqueue_detach_unused_buf(struct virtqueue *vq);
-struct virtqueue *vring_new_virtqueue(unsigned int num,
+struct virtqueue *vring_new_virtqueue(unsigned int index,
+				      unsigned int num,
 				      unsigned int vring_align,
 				      struct virtio_device *vdev,
 				      bool weak_barriers,

tools/virtio/virtio_test.c

@@ -92,7 +92,8 @@ static void vq_info_add(struct vdev_info *dev, int num)
 	assert(r >= 0);
 	memset(info->ring, 0, vring_size(num, 4096));
 	vring_init(&info->vring, num, info->ring, 4096);
-	info->vq = vring_new_virtqueue(info->vring.num, 4096, &dev->vdev,
+	info->vq = vring_new_virtqueue(info->idx,
+				       info->vring.num, 4096, &dev->vdev,
 				       true, info->ring,
 				       vq_notify, vq_callback, "test");
 	assert(info->vq);