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Commit 505b0451 authored by Michael S. Tsirkin's avatar Michael S. Tsirkin Committed by Rusty Russell
Browse files

virtio_console: use virtqueue_xxx wrappers 



Switch virtio_console to new virtqueue_xxx wrappers.

Signed-off-by: default avatarMichael S. Tsirkin <mst@redhat.com>
Signed-off-by: default avatarRusty Russell <rusty@rustcorp.com.au>
parent 946cfe0e

drivers/char/virtio_console.c

+16 −16
Original line number Diff line number Diff line
@@ -328,7 +328,7 @@ static void *get_inbuf(struct port *port) 
	unsigned int len;



	vq = port->in_vq;

	buf = vq->vq_ops->get_buf(vq, &len);

	buf = virtqueue_get_buf(vq, &len);

	if (buf) {

		buf->len = len;

		buf->offset = 0;
@@ -349,8 +349,8 @@ static int add_inbuf(struct virtqueue *vq, struct port_buffer *buf) 


	sg_init_one(sg, buf->buf, buf->size);



	ret = vq->vq_ops->add_buf(vq, sg, 0, 1, buf);

	vq->vq_ops->kick(vq);

	ret = virtqueue_add_buf(vq, sg, 0, 1, buf);

	virtqueue_kick(vq);

	return ret;

}
@@ -366,7 +366,7 @@ static void discard_port_data(struct port *port) 
	if (port->inbuf)

		buf = port->inbuf;

	else

		buf = vq->vq_ops->get_buf(vq, &len);

		buf = virtqueue_get_buf(vq, &len);



	ret = 0;

	while (buf) {
@@ -374,7 +374,7 @@ static void discard_port_data(struct port *port) 
			ret++;

			free_buf(buf);

		}

		buf = vq->vq_ops->get_buf(vq, &len);

		buf = virtqueue_get_buf(vq, &len);

	}

	port->inbuf = NULL;

	if (ret)
@@ -421,9 +421,9 @@ static ssize_t send_control_msg(struct port *port, unsigned int event, 
	vq = port->portdev->c_ovq;



	sg_init_one(sg, &cpkt, sizeof(cpkt));

	if (vq->vq_ops->add_buf(vq, sg, 1, 0, &cpkt) >= 0) {

		vq->vq_ops->kick(vq);

		while (!vq->vq_ops->get_buf(vq, &len))

	if (virtqueue_add_buf(vq, sg, 1, 0, &cpkt) >= 0) {

		virtqueue_kick(vq);

		while (!virtqueue_get_buf(vq, &len))

			cpu_relax();

	}

	return 0;
@@ -439,10 +439,10 @@ static ssize_t send_buf(struct port *port, void *in_buf, size_t in_count) 
	out_vq = port->out_vq;



	sg_init_one(sg, in_buf, in_count);

	ret = out_vq->vq_ops->add_buf(out_vq, sg, 1, 0, in_buf);

	ret = virtqueue_add_buf(out_vq, sg, 1, 0, in_buf);



	/* Tell Host to go! */

	out_vq->vq_ops->kick(out_vq);

	virtqueue_kick(out_vq);



	if (ret < 0) {

		in_count = 0;
@@ -450,7 +450,7 @@ static ssize_t send_buf(struct port *port, void *in_buf, size_t in_count) 
	}



	/* Wait till the host acknowledges it pushed out the data we sent. */

	while (!out_vq->vq_ops->get_buf(out_vq, &len))

	while (!virtqueue_get_buf(out_vq, &len))

		cpu_relax();

fail:

	/* We're expected to return the amount of data we wrote */
@@ -901,7 +901,7 @@ static int remove_port(struct port *port) 
	discard_port_data(port);



	/* Remove buffers we queued up for the Host to send us data in. */

	while ((buf = port->in_vq->vq_ops->detach_unused_buf(port->in_vq)))

	while ((buf = virtqueue_detach_unused_buf(port->in_vq)))

		free_buf(buf);



	kfree(port->name);
@@ -1030,7 +1030,7 @@ static void control_work_handler(struct work_struct *work) 
	vq = portdev->c_ivq;



	spin_lock(&portdev->cvq_lock);

	while ((buf = vq->vq_ops->get_buf(vq, &len))) {

	while ((buf = virtqueue_get_buf(vq, &len))) {

		spin_unlock(&portdev->cvq_lock);



		buf->len = len;
@@ -1224,7 +1224,7 @@ static int add_port(struct ports_device *portdev, u32 id) 
	return 0;



free_inbufs:

	while ((buf = port->in_vq->vq_ops->detach_unused_buf(port->in_vq)))

	while ((buf = virtqueue_detach_unused_buf(port->in_vq)))

		free_buf(buf);

free_device:

	device_destroy(pdrvdata.class, port->dev->devt);
@@ -1536,10 +1536,10 @@ static void virtcons_remove(struct virtio_device *vdev) 


	unregister_chrdev(portdev->chr_major, "virtio-portsdev");



	while ((buf = portdev->c_ivq->vq_ops->get_buf(portdev->c_ivq, &len)))

	while ((buf = virtqueue_get_buf(portdev->c_ivq, &len)))

		free_buf(buf);



	while ((buf = portdev->c_ivq->vq_ops->detach_unused_buf(portdev->c_ivq)))

	while ((buf = virtqueue_detach_unused_buf(portdev->c_ivq)))

		free_buf(buf);



	vdev->config->del_vqs(vdev);