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virtio-console: notify backend of guest open / close 

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Alon Levy <alevy@redhat.com>
Signed-off-by: Amit Shah <amit.shah@redhat.com>
This commit is contained in:
Hans de Goede 2011-03-24 11:12:03 +01:00 committed by Amit Shah
parent 7c32c4feeb
commit 0b6d2266e3
1 changed files with 18 additions and 0 deletions
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18
hw/virtio-console.c
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@ -28,6 +28,22 @@ static ssize_t flush_buf(VirtIOSerialPort *port, const uint8_t *buf, size_t len)
return qemu_chr_write(vcon->chr, buf, len);
}
/* Callback function that's called when the guest opens the port */
static void guest_open(VirtIOSerialPort *port)
{
VirtConsole *vcon = DO_UPCAST(VirtConsole, port, port);
qemu_chr_guest_open(vcon->chr);
}
/* Callback function that's called when the guest closes the port */
static void guest_close(VirtIOSerialPort *port)
{
VirtConsole *vcon = DO_UPCAST(VirtConsole, port, port);
qemu_chr_guest_close(vcon->chr);
}
/* Readiness of the guest to accept data on a port */
static int chr_can_read(void *opaque)
{
@ -64,6 +80,8 @@ static int generic_port_init(VirtConsole *vcon, VirtIOSerialPort *port)
qemu_chr_add_handlers(vcon->chr, chr_can_read, chr_read, chr_event,
vcon);
vcon->port.info->have_data = flush_buf;
vcon->port.info->guest_open = guest_open;
vcon->port.info->guest_close = guest_close;
}
return 0;
}