forked from M-Labs/artiq-zynq
drtio: change async messages to sync
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f3dcd53086
commit
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@ -44,6 +44,23 @@ pub mod drtio {
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unsafe { (csr::DRTIO[linkno].rx_up_read)() == 1 }
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}
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async fn process_async_packets(packet: Packet) -> Option<Packet> {
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// returns None if an async packet has been consumed
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match packet {
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Packet::DmaPlaybackStatus {
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id,
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destination,
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error,
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channel,
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timestamp,
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} => {
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remote_dma::playback_done(id, destination, error, channel, timestamp).await;
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None
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}
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other => Some(other),
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}
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}
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async fn recv_aux_timeout(linkno: u8, timeout: u64, timer: GlobalTimer) -> Result<Packet, &'static str> {
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if !link_rx_up(linkno).await {
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return Err("link went down");
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@ -66,22 +83,7 @@ pub mod drtio {
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}
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let _lock = aux_mutex.async_lock().await;
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drtioaux_async::send(linkno, request).await.unwrap();
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loop {
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let reply = recv_aux_timeout(linkno, 200, timer).await;
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match reply {
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Ok(Packet::DmaPlaybackStatus {
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id,
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destination,
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error,
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channel,
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timestamp,
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}) => {
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remote_dma::playback_done(id, destination, error, channel, timestamp).await;
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}
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Ok(packet) => return Ok(packet),
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Err(e) => return Err(e),
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}
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}
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Ok(recv_aux_timeout(linkno, 200, timer).await?)
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}
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async fn drain_buffer(linkno: u8, draining_time: Milliseconds, timer: GlobalTimer) {
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@ -190,14 +192,11 @@ pub mod drtio {
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async fn process_unsolicited_aux(aux_mutex: &Rc<Mutex<bool>>, linkno: u8) {
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let _lock = aux_mutex.async_lock().await;
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match drtioaux_async::recv(linkno).await {
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Ok(Some(Packet::DmaPlaybackStatus {
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id,
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destination,
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error,
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channel,
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timestamp,
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})) => remote_dma::playback_done(id, destination, error, channel, timestamp).await,
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Ok(Some(packet)) => warn!("[LINK#{}] unsolicited aux packet: {:?}", linkno, packet),
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Ok(Some(packet)) => {
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if let Some(packet) = process_async_packets(packet).await {
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warn!("[LINK#{}] unsolicited aux packet: {:?}", linkno, packet);
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}
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}
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Ok(None) => (),
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Err(_) => warn!("[LINK#{}] aux packet error", linkno),
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}
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@ -266,51 +265,65 @@ pub mod drtio {
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let linkno = hop - 1;
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if destination_up(up_destinations, destination).await {
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if up_links[linkno as usize] {
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let reply = aux_transact(
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aux_mutex,
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linkno,
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&Packet::DestinationStatusRequest {
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destination: destination,
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},
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timer,
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)
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.await;
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match reply {
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Ok(Packet::DestinationDownReply) => {
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destination_set_up(routing_table, up_destinations, destination, false).await;
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remote_dma::destination_changed(aux_mutex, routing_table, timer, destination, false)
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loop {
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let reply = aux_transact(
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aux_mutex,
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linkno,
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&Packet::DestinationStatusRequest {
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destination: destination,
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},
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timer,
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)
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.await;
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match reply {
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Ok(Packet::DestinationDownReply) => {
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destination_set_up(routing_table, up_destinations, destination, false).await;
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remote_dma::destination_changed(
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aux_mutex,
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routing_table,
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timer,
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destination,
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false,
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)
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.await;
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}
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Ok(Packet::DestinationOkReply) => (),
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Ok(Packet::DestinationSequenceErrorReply { channel }) => {
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error!(
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"[DEST#{}] RTIO sequence error involving channel 0x{:04x}:{}",
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destination,
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channel,
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resolve_channel_name(channel as u32)
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);
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unsafe { SEEN_ASYNC_ERRORS |= ASYNC_ERROR_SEQUENCE_ERROR };
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}
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Ok(Packet::DestinationCollisionReply { channel }) => {
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error!(
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"[DEST#{}] RTIO collision involving channel 0x{:04x}:{}",
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destination,
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channel,
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resolve_channel_name(channel as u32)
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);
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unsafe { SEEN_ASYNC_ERRORS |= ASYNC_ERROR_COLLISION };
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}
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Ok(Packet::DestinationBusyReply { channel }) => {
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error!(
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"[DEST#{}] RTIO busy error involving channel 0x{:04x}:{}",
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destination,
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channel,
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resolve_channel_name(channel as u32)
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);
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unsafe { SEEN_ASYNC_ERRORS |= ASYNC_ERROR_BUSY };
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}
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Ok(packet) => match process_async_packets(packet).await {
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Some(packet) => {
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error!("[DEST#{}] received unexpected aux packet: {:?}", destination, packet)
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}
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None => continue,
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},
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Err(e) => error!("[DEST#{}] communication failed ({})", destination, e),
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}
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Ok(Packet::DestinationOkReply) => (),
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Ok(Packet::DestinationSequenceErrorReply { channel }) => {
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error!(
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"[DEST#{}] RTIO sequence error involving channel 0x{:04x}:{}",
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destination,
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channel,
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resolve_channel_name(channel as u32)
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);
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unsafe { SEEN_ASYNC_ERRORS |= ASYNC_ERROR_SEQUENCE_ERROR };
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}
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Ok(Packet::DestinationCollisionReply { channel }) => {
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error!(
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"[DEST#{}] RTIO collision involving channel 0x{:04x}:{}",
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destination,
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channel,
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resolve_channel_name(channel as u32)
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);
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unsafe { SEEN_ASYNC_ERRORS |= ASYNC_ERROR_COLLISION };
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}
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Ok(Packet::DestinationBusyReply { channel }) => {
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error!(
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"[DEST#{}] RTIO busy error involving channel 0x{:04x}:{}",
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destination,
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channel,
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resolve_channel_name(channel as u32)
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);
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unsafe { SEEN_ASYNC_ERRORS |= ASYNC_ERROR_BUSY };
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}
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Ok(packet) => error!("[DEST#{}] received unexpected aux packet: {:?}", destination, packet),
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Err(e) => error!("[DEST#{}] communication failed ({})", destination, e),
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break;
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}
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} else {
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destination_set_up(routing_table, up_destinations, destination, false).await;
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@ -124,6 +124,23 @@ fn process_aux_packet(
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#[cfg(not(has_drtio_routing))]
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let hop = 0;
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if let Some(status) = dma_manager.check_state() {
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info!(
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"playback done, error: {}, channel: {}, timestamp: {}",
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status.error, status.channel, status.timestamp
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);
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return drtioaux::send(
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0,
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&drtioaux::Packet::DmaPlaybackStatus {
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destination: *_rank,
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id: status.id,
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error: status.error,
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channel: status.channel,
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timestamp: status.timestamp,
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},
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);
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}
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if hop == 0 {
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let errors;
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unsafe {
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@ -739,24 +756,6 @@ pub extern "C" fn main_core0() -> i32 {
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error!("aux packet error: {:?}", e);
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}
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}
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if let Some(status) = dma_manager.check_state() {
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info!(
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"playback done, error: {}, channel: {}, timestamp: {}",
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status.error, status.channel, status.timestamp
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);
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if let Err(e) = drtioaux::send(
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0,
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&drtioaux::Packet::DmaPlaybackStatus {
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destination: rank,
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id: status.id,
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error: status.error,
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channel: status.channel,
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timestamp: status.timestamp,
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},
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) {
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error!("error sending DMA playback status: {:?}", e);
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}
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}
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}
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drtiosat_reset_phy(true);
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