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Diffstat (limited to 'include/hw/virtio/virtio-serial.h')
| -rw-r--r-- | include/hw/virtio/virtio-serial.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/include/hw/virtio/virtio-serial.h b/include/hw/virtio/virtio-serial.h index ccf8459829..18d1bccd0b 100644 --- a/include/hw/virtio/virtio-serial.h +++ b/include/hw/virtio/virtio-serial.h @@ -60,6 +60,17 @@ typedef struct VirtIOSerialPortClass { /* Guest is now ready to accept data (virtqueues set up). */ void (*guest_ready)(VirtIOSerialPort *port); + /* + * Guest has enqueued a buffer for the host to write into. + * Called each time a buffer is enqueued by the guest; + * irrespective of whether there already were free buffers the + * host could have consumed. + * + * This is dependent on both the guest and host end being + * connected. + */ + void (*guest_writable)(VirtIOSerialPort *port); + /* * Guest wrote some data to the port. This data is handed over to * the app via this callback. The app can return a size less than |