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[Qemu-devel] [PATCH 2/2] virtio-console: Notify resize to the guest.
From: |
Kusanagi Kouichi |
Subject: |
[Qemu-devel] [PATCH 2/2] virtio-console: Notify resize to the guest. |
Date: |
Fri, 16 Apr 2010 20:42:47 +0900 |
User-agent: |
Mutt/1.5.20 (2009-06-14) |
Signed-off-by: Kusanagi Kouichi <address@hidden>
---
hw/virtio-console.c | 3 +++
hw/virtio-serial-bus.c | 8 ++++++++
hw/virtio-serial.h | 9 +++++++--
3 files changed, 18 insertions(+), 2 deletions(-)
diff --git a/hw/virtio-console.c b/hw/virtio-console.c
index bd44ec6..92dd03e 100644
--- a/hw/virtio-console.c
+++ b/hw/virtio-console.c
@@ -58,6 +58,9 @@ static void chr_event(void *opaque, int event)
case CHR_EVENT_CLOSED:
virtio_serial_close(&vcon->port);
break;
+ case CHR_EVENT_RESIZE:
+ virtio_serial_resize(&vcon->port, vcon->chr->rows, vcon->chr->cols);
+ break;
}
}
diff --git a/hw/virtio-serial-bus.c b/hw/virtio-serial-bus.c
index 17c1ec1..66891ee 100644
--- a/hw/virtio-serial-bus.c
+++ b/hw/virtio-serial-bus.c
@@ -163,6 +163,13 @@ int virtio_serial_close(VirtIOSerialPort *port)
return 0;
}
+void virtio_serial_resize(VirtIOSerialPort *port, int rows, int cols)
+{
+ port->vser->config.rows = rows;
+ port->vser->config.cols = cols;
+ send_control_event(port, VIRTIO_CONSOLE_RESIZE, 0);
+}
+
/* Individual ports/apps call this function to write to the guest. */
ssize_t virtio_serial_write(VirtIOSerialPort *port, const uint8_t *buf,
size_t size)
@@ -336,6 +343,7 @@ static void handle_input(VirtIODevice *vdev, VirtQueue *vq)
static uint32_t get_features(VirtIODevice *vdev, uint32_t features)
{
VirtIOSerial *vser = DO_UPCAST(VirtIOSerial, vdev, vdev);
+ features |= (1 << VIRTIO_CONSOLE_F_SIZE);
if (vser->bus->max_nr_ports > 1) {
features |= (1 << VIRTIO_CONSOLE_F_MULTIPORT);
}
diff --git a/hw/virtio-serial.h b/hw/virtio-serial.h
index f297b00..8af83b8 100644
--- a/hw/virtio-serial.h
+++ b/hw/virtio-serial.h
@@ -25,12 +25,12 @@
#define VIRTIO_ID_CONSOLE 3
/* Features supported */
+#define VIRTIO_CONSOLE_F_SIZE 0
#define VIRTIO_CONSOLE_F_MULTIPORT 1
struct virtio_console_config {
/*
- * These two fields are used by VIRTIO_CONSOLE_F_SIZE which
- * isn't implemented here yet
+ * These two fields are used by VIRTIO_CONSOLE_F_SIZE
*/
uint16_t cols;
uint16_t rows;
@@ -160,6 +160,11 @@ int virtio_serial_open(VirtIOSerialPort *port);
int virtio_serial_close(VirtIOSerialPort *port);
/*
+ * Notify resize to the guest
+ */
+void virtio_serial_resize(VirtIOSerialPort *port, int rows, int cols);
+
+/*
* Send data to Guest
*/
ssize_t virtio_serial_write(VirtIOSerialPort *port, const uint8_t *buf,
--
1.7.0.4
- [Qemu-devel] [PATCH 2/2] virtio-console: Notify resize to the guest.,
Kusanagi Kouichi <=
- Re: [Qemu-devel] [PATCH 2/2] virtio-console: Notify resize to the guest., Amit Shah, 2010/04/16
- Re: [Qemu-devel] [PATCH 2/2] virtio-console: Notify resize to the guest., Kusanagi Kouichi, 2010/04/29
- Re: [Qemu-devel] [PATCH 2/2] virtio-console: Notify resize to the guest., Amit Shah, 2010/04/29
- Re: [Qemu-devel] [PATCH 2/2] virtio-console: Notify resize to the guest., Kusanagi Kouichi, 2010/04/29
- Re: [Qemu-devel] [PATCH 2/2] virtio-console: Notify resize to the guest., Amit Shah, 2010/04/29
- [Qemu-devel] [PATCH v2 2/2] virtio-console: Notify resize to the guest., Kusanagi Kouichi, 2010/04/30
- [Qemu-devel] Re: [PATCH v2 2/2] virtio-console: Notify resize to the guest., Amit Shah, 2010/04/30