diff options
| -rw-r--r-- | hw/virtio-console.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/hw/virtio-console.c b/hw/virtio-console.c index 46072a086f..b3ee074a87 100644 --- a/hw/virtio-console.c +++ b/hw/virtio-console.c @@ -20,6 +20,18 @@ typedef struct VirtConsole { CharDriverState *chr; } VirtConsole; +/* + * Callback function that's called from chardevs when backend becomes + * writable. + */ +static gboolean chr_write_unblocked(GIOChannel *chan, GIOCondition cond, + void *opaque) +{ + VirtConsole *vcon = opaque; + + virtio_serial_throttle_port(&vcon->port, false); + return FALSE; +} /* Callback function that's called when the guest sends us data */ static ssize_t flush_buf(VirtIOSerialPort *port, const uint8_t *buf, size_t len) @@ -48,6 +60,7 @@ static ssize_t flush_buf(VirtIOSerialPort *port, const uint8_t *buf, size_t len) * do_flush_queued_data(). */ ret = 0; + qemu_chr_fe_add_watch(vcon->chr, G_IO_OUT, chr_write_unblocked, vcon); } return ret; } |