static DEVICE_ATTR_READER(status_show, dev, buf)
{
xbus_t *xbus;
int ret;
xbus = dev_to_xbus(dev);
ret =
snprintf(buf, PAGE_SIZE, "%s\n",
(XBUS_FLAGS(xbus, CONNECTED)) ? "connected" : "missing");
return ret;
}
static void astribank_release(struct device *dev)
{
xbus_t *xbus;
BUG_ON(!dev);
xbus = dev_to_xbus(dev);
if (XBUS_FLAGS(xbus, CONNECTED)) {
XBUS_ERR(xbus, "Try to release CONNECTED device.\n");
BUG();
}
if (!XBUS_IS(xbus, IDLE) && !XBUS_IS(xbus, FAIL)
&& !XBUS_IS(xbus, DEACTIVATED)) {
XBUS_ERR(xbus, "Try to release in state %s\n",
xbus_statename(XBUS_STATE(xbus)));
BUG();
}
XBUS_INFO(xbus, "[%s] Astribank Release\n", xbus->label);
xbus_free(xbus);
}
int xframe_receive(xbus_t *xbus, xframe_t *xframe)
{
int ret = 0;
struct timeval now;
struct timeval tv_received;
int usec;
if(XFRAME_LEN(xframe) < RPACKET_HEADERSIZE) {
static int rate_limit;
if((rate_limit++ % 1003) == 0) {
XBUS_NOTICE(xbus, "short xframe\n");
dump_xframe("short xframe", xbus, xframe, debug);
}
FREE_RECV_XFRAME(xbus, xframe);
return -EPROTO;
}
if(!XBUS_FLAGS(xbus, CONNECTED)) {
XBUS_DBG(GENERAL, xbus, "Dropped xframe. Is shutting down.\n");
return -ENODEV;
}
tv_received = xframe->tv_received;
/*
* We want to check that xframes do not mix PCM and other commands
*/
if(XPACKET_IS_PCM((xpacket_t *)xframe->packets)) {
if(!XBUS_IS(xbus, READY))
FREE_RECV_XFRAME(xbus, xframe);
else
xframe_receive_pcm(xbus, xframe);
} else {
XBUS_COUNTER(xbus, RX_CMD)++;
ret = xframe_receive_cmd(xbus, xframe);
}
/* Calculate total processing time */
do_gettimeofday(&now);
usec = (now.tv_sec - tv_received.tv_sec) * 1000000 +
now.tv_usec - tv_received.tv_usec;
if(usec > xbus->max_rx_process)
xbus->max_rx_process = usec;
return ret;
}
