Commit 73954488 authored by Rusty Russell's avatar Rusty Russell

virtio: console: use vdev->priv to avoid accessing global var.

Part of removing our "one console" assumptions, use vdev->priv to point
to the port (currently == the global console).
Signed-off-by: default avatarRusty Russell <rusty@rustcorp.com.au>
Signed-off-by: default avatarAmit Shah <amit.shah@redhat.com>
Signed-off-by: default avatarRusty Russell <rusty@rustcorp.com.au>
parent a3cde449
...@@ -187,6 +187,7 @@ static int get_chars(u32 vtermno, char *buf, int count) ...@@ -187,6 +187,7 @@ static int get_chars(u32 vtermno, char *buf, int count)
*/ */
static void virtcons_apply_config(struct virtio_device *dev) static void virtcons_apply_config(struct virtio_device *dev)
{ {
struct port *port = dev->priv;
struct winsize ws; struct winsize ws;
if (virtio_has_feature(dev, VIRTIO_CONSOLE_F_SIZE)) { if (virtio_has_feature(dev, VIRTIO_CONSOLE_F_SIZE)) {
...@@ -196,7 +197,7 @@ static void virtcons_apply_config(struct virtio_device *dev) ...@@ -196,7 +197,7 @@ static void virtcons_apply_config(struct virtio_device *dev)
dev->config->get(dev, dev->config->get(dev,
offsetof(struct virtio_console_config, rows), offsetof(struct virtio_console_config, rows),
&ws.ws_row, sizeof(u16)); &ws.ws_row, sizeof(u16));
hvc_resize(console.hvc, ws); hvc_resize(port->hvc, ws);
} }
} }
...@@ -219,7 +220,9 @@ static void notifier_del_vio(struct hvc_struct *hp, int data) ...@@ -219,7 +220,9 @@ static void notifier_del_vio(struct hvc_struct *hp, int data)
static void hvc_handle_input(struct virtqueue *vq) static void hvc_handle_input(struct virtqueue *vq)
{ {
if (hvc_poll(console.hvc)) struct port *port = vq->vdev->priv;
if (hvc_poll(port->hvc))
hvc_kick(); hvc_kick();
} }
...@@ -272,7 +275,10 @@ static int __devinit virtcons_probe(struct virtio_device *vdev) ...@@ -272,7 +275,10 @@ static int __devinit virtcons_probe(struct virtio_device *vdev)
"Multiple virtio-console devices not supported yet\n"); "Multiple virtio-console devices not supported yet\n");
return -EEXIST; return -EEXIST;
} }
/* Attach this port to this virtio_device, and vice-versa. */
port->vdev = vdev; port->vdev = vdev;
vdev->priv = port;
/* This is the scratch page we use to receive console input */ /* This is the scratch page we use to receive console input */
port->inbuf = alloc_buf(PAGE_SIZE); port->inbuf = alloc_buf(PAGE_SIZE);
......
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