static void vmc_change_state_handler(void *opaque, int running, int reason)
{
SpiceVirtualChannel *svc = opaque;
if (running && svc->active) {
spice_server_char_device_wakeup(&svc->sin);
}
}
static void vmc_guest_ready(VirtIOSerialPort *port)
{
SpiceVirtualChannel *svc = DO_UPCAST(SpiceVirtualChannel, port, port);
dprintf(svc, 1, "%s\n", __func__);
if (svc->active) {
spice_server_char_device_wakeup(&svc->sin);
}
}
static void vmc_have_data(VirtIOSerialPort *port, const uint8_t *buf, size_t len)
{
SpiceVirtualChannel *svc = DO_UPCAST(SpiceVirtualChannel, port, port);
dprintf(svc, 2, "%s: %zd\n", __func__, len);
assert(svc->datalen == 0);
if (svc->bufsize < len) {
svc->bufsize = len;
svc->buffer = qemu_realloc(svc->buffer, svc->bufsize);
}
memcpy(svc->buffer, buf, len);
svc->datapos = svc->buffer;
svc->datalen = len;
virtio_serial_throttle_port(&svc->port, true);
spice_server_char_device_wakeup(&svc->sin);
}
static int spice_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
{
SpiceCharDriver *s = chr->opaque;
dprintf(s, 2, "%s: %d\n", __func__, len);
vmc_register_interface(s);
assert(s->datalen == 0);
if (s->bufsize < len) {
s->bufsize = len;
s->buffer = g_realloc(s->buffer, s->bufsize);
}
memcpy(s->buffer, buf, len);
s->datapos = s->buffer;
s->datalen = len;
spice_server_char_device_wakeup(&s->sin);
return len;
}
static int spice_chr_write(CharDriverState *chr, const uint8_t *buf, int len)
{
SpiceCharDriver *s = chr->opaque;
int read_bytes;
vmc_register_interface(s);
assert(s->datalen == 0);
s->datapos = buf;
s->datalen = len;
spice_server_char_device_wakeup(&s->sin);
read_bytes = len - s->datalen;
if (read_bytes != len) {
/* We'll get passed in the unconsumed data with the next call */
s->datalen = 0;
s->datapos = NULL;
s->blocked = true;
}
return read_bytes;
}