forked from M-Labs/artiq-zynq
satman: support sub-subkernels, routing
This commit is contained in:
parent
e31a31c4ff
commit
8f4e30dd9c
@ -922,4 +922,39 @@ impl Packet {
|
||||
}
|
||||
Ok(())
|
||||
}
|
||||
|
||||
pub fn routable_destination(&self) -> Option<u8> {
|
||||
// only for packets that could be re-routed, not only forwarded
|
||||
match self {
|
||||
Packet::DmaAddTraceRequest { destination, .. } => Some(*destination),
|
||||
Packet::DmaAddTraceReply { destination, .. } => Some(*destination),
|
||||
Packet::DmaRemoveTraceRequest { destination, .. } => Some(*destination),
|
||||
Packet::DmaRemoveTraceReply { destination, .. } => Some(*destination),
|
||||
Packet::DmaPlaybackRequest { destination, .. } => Some(*destination),
|
||||
Packet::DmaPlaybackReply { destination, .. } => Some(*destination),
|
||||
Packet::SubkernelLoadRunRequest { destination, .. } => Some(*destination),
|
||||
Packet::SubkernelLoadRunReply { destination, .. } => Some(*destination),
|
||||
Packet::SubkernelMessage { destination, .. } => Some(*destination),
|
||||
Packet::SubkernelMessageAck { destination } => Some(*destination),
|
||||
Packet::DmaPlaybackStatus { destination, .. } => Some(*destination),
|
||||
Packet::SubkernelFinished { destination, .. } => Some(*destination),
|
||||
_ => None,
|
||||
}
|
||||
}
|
||||
|
||||
pub fn expects_response(&self) -> bool {
|
||||
// returns true if the routable packet should elicit a response
|
||||
// e.g. reply, ACK packets end a conversation,
|
||||
// and firmware should not wait for response
|
||||
match self {
|
||||
Packet::DmaAddTraceReply { .. }
|
||||
| Packet::DmaRemoveTraceReply { .. }
|
||||
| Packet::DmaPlaybackReply { .. }
|
||||
| Packet::SubkernelLoadRunReply { .. }
|
||||
| Packet::SubkernelMessageAck { .. }
|
||||
| Packet::DmaPlaybackStatus { .. }
|
||||
| Packet::SubkernelFinished { .. } => false,
|
||||
_ => true,
|
||||
}
|
||||
}
|
||||
}
|
||||
|
@ -53,7 +53,12 @@ pub mod drtio {
|
||||
async_ready
|
||||
}
|
||||
|
||||
async fn process_async_packets(aux_mutex: &Mutex<bool>, linkno: u8, routing_table: &drtio_routing::RoutingTable, timer: GlobalTimer) {
|
||||
async fn process_async_packets(
|
||||
aux_mutex: &Mutex<bool>,
|
||||
linkno: u8,
|
||||
routing_table: &drtio_routing::RoutingTable,
|
||||
timer: GlobalTimer,
|
||||
) {
|
||||
if link_has_async_ready(linkno).await {
|
||||
loop {
|
||||
let reply = aux_transact(aux_mutex, linkno, &Packet::RoutingRetrievePackets, timer).await;
|
||||
|
@ -12,6 +12,7 @@ enum ManagerState {
|
||||
}
|
||||
|
||||
pub struct RtioStatus {
|
||||
pub source: u8,
|
||||
pub id: u32,
|
||||
pub error: u8,
|
||||
pub channel: u32,
|
||||
@ -33,9 +34,10 @@ struct Entry {
|
||||
|
||||
#[derive(Debug)]
|
||||
pub struct Manager {
|
||||
entries: BTreeMap<u32, Entry>,
|
||||
entries: BTreeMap<(u8, u32), Entry>,
|
||||
state: ManagerState,
|
||||
currentid: u32,
|
||||
current_id: u32,
|
||||
current_source: u8,
|
||||
}
|
||||
|
||||
impl Manager {
|
||||
@ -45,40 +47,48 @@ impl Manager {
|
||||
unsafe { while csr::rtio_dma::enable_read() != 0 {} }
|
||||
Manager {
|
||||
entries: BTreeMap::new(),
|
||||
currentid: 0,
|
||||
current_id: 0,
|
||||
current_source: 0,
|
||||
state: ManagerState::Idle,
|
||||
}
|
||||
}
|
||||
|
||||
pub fn add(&mut self, id: u32, status: PayloadStatus, trace: &[u8], trace_len: usize) -> Result<(), Error> {
|
||||
let entry = match self.entries.get_mut(&id) {
|
||||
pub fn add(
|
||||
&mut self,
|
||||
source: u8,
|
||||
id: u32,
|
||||
status: PayloadStatus,
|
||||
trace: &[u8],
|
||||
trace_len: usize,
|
||||
) -> Result<(), Error> {
|
||||
let entry = match self.entries.get_mut(&(source, id)) {
|
||||
Some(entry) => {
|
||||
if entry.complete || status.is_first() {
|
||||
// replace entry
|
||||
self.entries.remove(&id);
|
||||
self.entries.remove(&(source, id));
|
||||
self.entries.insert(
|
||||
id,
|
||||
(source, id),
|
||||
Entry {
|
||||
trace: Vec::new(),
|
||||
padding_len: 0,
|
||||
complete: false,
|
||||
},
|
||||
);
|
||||
self.entries.get_mut(&id).unwrap()
|
||||
self.entries.get_mut(&(source, id)).unwrap()
|
||||
} else {
|
||||
entry
|
||||
}
|
||||
}
|
||||
None => {
|
||||
self.entries.insert(
|
||||
id,
|
||||
(source, id),
|
||||
Entry {
|
||||
trace: Vec::new(),
|
||||
padding_len: 0,
|
||||
complete: false,
|
||||
},
|
||||
);
|
||||
self.entries.get_mut(&id).unwrap()
|
||||
self.entries.get_mut(&(source, id)).unwrap()
|
||||
}
|
||||
};
|
||||
entry.trace.extend(&trace[0..trace_len]);
|
||||
@ -105,19 +115,19 @@ impl Manager {
|
||||
Ok(())
|
||||
}
|
||||
|
||||
pub fn erase(&mut self, id: u32) -> Result<(), Error> {
|
||||
match self.entries.remove(&id) {
|
||||
pub fn erase(&mut self, source: u8, id: u32) -> Result<(), Error> {
|
||||
match self.entries.remove(&(source, id)) {
|
||||
Some(_) => Ok(()),
|
||||
None => Err(Error::IdNotFound),
|
||||
}
|
||||
}
|
||||
|
||||
pub fn playback(&mut self, id: u32, timestamp: u64) -> Result<(), Error> {
|
||||
pub fn playback(&mut self, source: u8, id: u32, timestamp: u64) -> Result<(), Error> {
|
||||
if self.state != ManagerState::Idle {
|
||||
return Err(Error::PlaybackInProgress);
|
||||
}
|
||||
|
||||
let entry = match self.entries.get(&id) {
|
||||
let entry = match self.entries.get(&(source, id)) {
|
||||
Some(entry) => entry,
|
||||
None => {
|
||||
return Err(Error::IdNotFound);
|
||||
@ -130,7 +140,8 @@ impl Manager {
|
||||
assert!(ptr as u32 % 64 == 0);
|
||||
|
||||
self.state = ManagerState::Playback;
|
||||
self.currentid = id;
|
||||
self.current_id = id;
|
||||
self.current_source = source;
|
||||
|
||||
unsafe {
|
||||
csr::rtio_dma::base_address_write(ptr as u32);
|
||||
@ -162,7 +173,8 @@ impl Manager {
|
||||
csr::rtio_dma::error_write(1);
|
||||
}
|
||||
return Some(RtioStatus {
|
||||
id: self.currentid,
|
||||
source: self.current_source,
|
||||
id: self.current_id,
|
||||
error: error,
|
||||
channel: channel,
|
||||
timestamp: timestamp,
|
||||
|
@ -39,11 +39,13 @@ use libboard_zynq::{i2c::I2c, print, println, time::Milliseconds, timer::GlobalT
|
||||
use libcortex_a9::{l2c::enable_l2_cache, regs::MPIDR};
|
||||
use libregister::RegisterR;
|
||||
use libsupport_zynq::ram;
|
||||
use routing::Router;
|
||||
use subkernel::Manager as KernelManager;
|
||||
|
||||
mod analyzer;
|
||||
mod dma;
|
||||
mod repeater;
|
||||
mod routing;
|
||||
mod subkernel;
|
||||
|
||||
fn drtiosat_reset(reset: bool) {
|
||||
@ -72,6 +74,12 @@ fn drtiosat_tsc_loaded() -> bool {
|
||||
}
|
||||
}
|
||||
|
||||
fn drtiosat_async_ready() {
|
||||
unsafe {
|
||||
csr::drtiosat::async_messages_ready_write(1);
|
||||
}
|
||||
}
|
||||
|
||||
#[cfg(has_drtio_routing)]
|
||||
macro_rules! forward {
|
||||
($routing_table:expr, $destination:expr, $rank:expr, $repeaters:expr, $packet:expr, $timer:expr) => {{
|
||||
@ -79,7 +87,11 @@ macro_rules! forward {
|
||||
if hop != 0 {
|
||||
let repno = (hop - 1) as usize;
|
||||
if repno < $repeaters.len() {
|
||||
return $repeaters[repno].aux_forward($packet, $timer);
|
||||
if $packet.expects_response() {
|
||||
return $repeaters[repno].aux_forward($packet, $timer);
|
||||
} else {
|
||||
return $repeaters[repno].aux_send($packet);
|
||||
}
|
||||
} else {
|
||||
return Err(drtioaux::Error::RoutingError);
|
||||
}
|
||||
@ -95,13 +107,15 @@ macro_rules! forward {
|
||||
fn process_aux_packet(
|
||||
_repeaters: &mut [repeater::Repeater],
|
||||
_routing_table: &mut drtio_routing::RoutingTable,
|
||||
_rank: &mut u8,
|
||||
rank: &mut u8,
|
||||
self_destination: &mut u8,
|
||||
packet: drtioaux::Packet,
|
||||
timer: &mut GlobalTimer,
|
||||
i2c: &mut I2c,
|
||||
dma_manager: &mut DmaManager,
|
||||
analyzer: &mut Analyzer,
|
||||
kernel_manager: &mut KernelManager,
|
||||
router: &mut Router,
|
||||
) -> Result<(), drtioaux::Error> {
|
||||
// In the code below, *_chan_sel_write takes an u8 if there are fewer than 256 channels,
|
||||
// and u16 otherwise; hence the `as _` conversion.
|
||||
@ -122,82 +136,39 @@ fn process_aux_packet(
|
||||
|
||||
drtioaux::Packet::DestinationStatusRequest { destination } => {
|
||||
#[cfg(has_drtio_routing)]
|
||||
let hop = _routing_table.0[destination as usize][*_rank as usize];
|
||||
let hop = _routing_table.0[destination as usize][*rank as usize];
|
||||
#[cfg(not(has_drtio_routing))]
|
||||
let hop = 0;
|
||||
|
||||
if hop == 0 {
|
||||
if let Some(status) = dma_manager.check_state() {
|
||||
info!(
|
||||
"playback done, error: {}, channel: {}, timestamp: {}",
|
||||
status.error, status.channel, status.timestamp
|
||||
);
|
||||
drtioaux::send(
|
||||
0,
|
||||
&drtioaux::Packet::DmaPlaybackStatus {
|
||||
destination: destination,
|
||||
id: status.id,
|
||||
error: status.error,
|
||||
channel: status.channel,
|
||||
timestamp: status.timestamp,
|
||||
},
|
||||
)?;
|
||||
} else if let Some(subkernel_finished) = kernel_manager.get_last_finished() {
|
||||
info!(
|
||||
"subkernel {} finished, with exception: {}",
|
||||
subkernel_finished.id, subkernel_finished.with_exception
|
||||
);
|
||||
drtioaux::send(
|
||||
0,
|
||||
&drtioaux::Packet::SubkernelFinished {
|
||||
id: subkernel_finished.id,
|
||||
with_exception: subkernel_finished.with_exception,
|
||||
},
|
||||
)?;
|
||||
} else if kernel_manager.message_is_ready() {
|
||||
let mut data_slice: [u8; MASTER_PAYLOAD_MAX_SIZE] = [0; MASTER_PAYLOAD_MAX_SIZE];
|
||||
match kernel_manager.message_get_slice(&mut data_slice) {
|
||||
Some(meta) => drtioaux::send(
|
||||
0,
|
||||
&drtioaux::Packet::SubkernelMessage {
|
||||
destination: destination,
|
||||
id: kernel_manager.get_current_id().unwrap(),
|
||||
status: meta.status,
|
||||
length: meta.len as u16,
|
||||
data: data_slice,
|
||||
},
|
||||
)?,
|
||||
None => warn!("subkernel message is ready but no message is present"),
|
||||
}
|
||||
} else {
|
||||
let errors;
|
||||
*self_destination = destination;
|
||||
let errors;
|
||||
unsafe {
|
||||
errors = csr::drtiosat::rtio_error_read();
|
||||
}
|
||||
if errors & 1 != 0 {
|
||||
let channel;
|
||||
unsafe {
|
||||
errors = csr::drtiosat::rtio_error_read();
|
||||
channel = csr::drtiosat::sequence_error_channel_read();
|
||||
csr::drtiosat::rtio_error_write(1);
|
||||
}
|
||||
if errors & 1 != 0 {
|
||||
let channel;
|
||||
unsafe {
|
||||
channel = csr::drtiosat::sequence_error_channel_read();
|
||||
csr::drtiosat::rtio_error_write(1);
|
||||
}
|
||||
drtioaux::send(0, &drtioaux::Packet::DestinationSequenceErrorReply { channel })?;
|
||||
} else if errors & 2 != 0 {
|
||||
let channel;
|
||||
unsafe {
|
||||
channel = csr::drtiosat::collision_channel_read();
|
||||
csr::drtiosat::rtio_error_write(2);
|
||||
}
|
||||
drtioaux::send(0, &drtioaux::Packet::DestinationCollisionReply { channel })?;
|
||||
} else if errors & 4 != 0 {
|
||||
let channel;
|
||||
unsafe {
|
||||
channel = csr::drtiosat::busy_channel_read();
|
||||
csr::drtiosat::rtio_error_write(4);
|
||||
}
|
||||
drtioaux::send(0, &drtioaux::Packet::DestinationBusyReply { channel })?;
|
||||
} else {
|
||||
drtioaux::send(0, &drtioaux::Packet::DestinationOkReply)?;
|
||||
drtioaux::send(0, &drtioaux::Packet::DestinationSequenceErrorReply { channel })?;
|
||||
} else if errors & 2 != 0 {
|
||||
let channel;
|
||||
unsafe {
|
||||
channel = csr::drtiosat::collision_channel_read();
|
||||
csr::drtiosat::rtio_error_write(2);
|
||||
}
|
||||
drtioaux::send(0, &drtioaux::Packet::DestinationCollisionReply { channel })?;
|
||||
} else if errors & 4 != 0 {
|
||||
let channel;
|
||||
unsafe {
|
||||
channel = csr::drtiosat::busy_channel_read();
|
||||
csr::drtiosat::rtio_error_write(4);
|
||||
}
|
||||
drtioaux::send(0, &drtioaux::Packet::DestinationBusyReply { channel })?;
|
||||
} else {
|
||||
drtioaux::send(0, &drtioaux::Packet::DestinationOkReply)?;
|
||||
}
|
||||
}
|
||||
|
||||
@ -242,11 +213,11 @@ fn process_aux_packet(
|
||||
drtioaux::send(0, &drtioaux::Packet::RoutingAck)
|
||||
}
|
||||
#[cfg(has_drtio_routing)]
|
||||
drtioaux::Packet::RoutingSetRank { rank } => {
|
||||
*_rank = rank;
|
||||
drtio_routing::interconnect_enable_all(_routing_table, rank);
|
||||
drtioaux::Packet::RoutingSetRank { rank: new_rank } => {
|
||||
*rank = new_rank;
|
||||
drtio_routing::interconnect_enable_all(_routing_table, new_rank);
|
||||
|
||||
let rep_rank = rank + 1;
|
||||
let rep_rank = new_rank + 1;
|
||||
for rep in _repeaters.iter() {
|
||||
if let Err(e) = rep.set_rank(rep_rank, timer) {
|
||||
error!("failed to set rank ({:?})", e);
|
||||
@ -267,12 +238,20 @@ fn process_aux_packet(
|
||||
#[cfg(not(has_drtio_routing))]
|
||||
drtioaux::Packet::RoutingSetRank { rank: _ } => drtioaux::send(0, &drtioaux::Packet::RoutingAck),
|
||||
|
||||
drtioaux::Packet::RoutingRetrievePackets => {
|
||||
let packet = router
|
||||
.get_upstream_packet()
|
||||
.or(Some(drtioaux::Packet::RoutingNoPackets))
|
||||
.unwrap();
|
||||
drtioaux::send(0, &packet)
|
||||
}
|
||||
|
||||
drtioaux::Packet::MonitorRequest {
|
||||
destination: _destination,
|
||||
channel,
|
||||
probe,
|
||||
} => {
|
||||
forward!(_routing_table, _destination, *_rank, _repeaters, &packet, timer);
|
||||
forward!(_routing_table, _destination, *rank, _repeaters, &packet, timer);
|
||||
let value;
|
||||
#[cfg(has_rtio_moninj)]
|
||||
unsafe {
|
||||
@ -294,7 +273,7 @@ fn process_aux_packet(
|
||||
overrd,
|
||||
value,
|
||||
} => {
|
||||
forward!(_routing_table, _destination, *_rank, _repeaters, &packet, timer);
|
||||
forward!(_routing_table, _destination, *rank, _repeaters, &packet, timer);
|
||||
#[cfg(has_rtio_moninj)]
|
||||
unsafe {
|
||||
csr::rtio_moninj::inj_chan_sel_write(channel as _);
|
||||
@ -308,7 +287,7 @@ fn process_aux_packet(
|
||||
channel,
|
||||
overrd,
|
||||
} => {
|
||||
forward!(_routing_table, _destination, *_rank, _repeaters, &packet, timer);
|
||||
forward!(_routing_table, _destination, *rank, _repeaters, &packet, timer);
|
||||
let value;
|
||||
#[cfg(has_rtio_moninj)]
|
||||
unsafe {
|
||||
@ -327,7 +306,7 @@ fn process_aux_packet(
|
||||
destination: _destination,
|
||||
busno: _busno,
|
||||
} => {
|
||||
forward!(_routing_table, _destination, *_rank, _repeaters, &packet, timer);
|
||||
forward!(_routing_table, _destination, *rank, _repeaters, &packet, timer);
|
||||
let succeeded = i2c.start().is_ok();
|
||||
drtioaux::send(0, &drtioaux::Packet::I2cBasicReply { succeeded: succeeded })
|
||||
}
|
||||
@ -335,7 +314,7 @@ fn process_aux_packet(
|
||||
destination: _destination,
|
||||
busno: _busno,
|
||||
} => {
|
||||
forward!(_routing_table, _destination, *_rank, _repeaters, &packet, timer);
|
||||
forward!(_routing_table, _destination, *rank, _repeaters, &packet, timer);
|
||||
let succeeded = i2c.restart().is_ok();
|
||||
drtioaux::send(0, &drtioaux::Packet::I2cBasicReply { succeeded: succeeded })
|
||||
}
|
||||
@ -343,7 +322,7 @@ fn process_aux_packet(
|
||||
destination: _destination,
|
||||
busno: _busno,
|
||||
} => {
|
||||
forward!(_routing_table, _destination, *_rank, _repeaters, &packet, timer);
|
||||
forward!(_routing_table, _destination, *rank, _repeaters, &packet, timer);
|
||||
let succeeded = i2c.stop().is_ok();
|
||||
drtioaux::send(0, &drtioaux::Packet::I2cBasicReply { succeeded: succeeded })
|
||||
}
|
||||
@ -352,7 +331,7 @@ fn process_aux_packet(
|
||||
busno: _busno,
|
||||
data,
|
||||
} => {
|
||||
forward!(_routing_table, _destination, *_rank, _repeaters, &packet, timer);
|
||||
forward!(_routing_table, _destination, *rank, _repeaters, &packet, timer);
|
||||
match i2c.write(data) {
|
||||
Ok(ack) => drtioaux::send(
|
||||
0,
|
||||
@ -375,7 +354,7 @@ fn process_aux_packet(
|
||||
busno: _busno,
|
||||
ack,
|
||||
} => {
|
||||
forward!(_routing_table, _destination, *_rank, _repeaters, &packet, timer);
|
||||
forward!(_routing_table, _destination, *rank, _repeaters, &packet, timer);
|
||||
match i2c.read(ack) {
|
||||
Ok(data) => drtioaux::send(
|
||||
0,
|
||||
@ -399,7 +378,7 @@ fn process_aux_packet(
|
||||
address,
|
||||
mask,
|
||||
} => {
|
||||
forward!(_routing_table, _destination, *_rank, _repeaters, &packet, timer);
|
||||
forward!(_routing_table, _destination, *rank, _repeaters, &packet, timer);
|
||||
let ch = match mask {
|
||||
//decode from mainline, PCA9548-centric API
|
||||
0x00 => None,
|
||||
@ -425,7 +404,7 @@ fn process_aux_packet(
|
||||
div: _div,
|
||||
cs: _cs,
|
||||
} => {
|
||||
forward!(_routing_table, _destination, *_rank, _repeaters, &packet, timer);
|
||||
forward!(_routing_table, _destination, *rank, _repeaters, &packet, timer);
|
||||
// todo: reimplement when/if SPI is available
|
||||
//let succeeded = spi::set_config(busno, flags, length, div, cs).is_ok();
|
||||
drtioaux::send(0, &drtioaux::Packet::SpiBasicReply { succeeded: false })
|
||||
@ -435,7 +414,7 @@ fn process_aux_packet(
|
||||
busno: _busno,
|
||||
data: _data,
|
||||
} => {
|
||||
forward!(_routing_table, _destination, *_rank, _repeaters, &packet, timer);
|
||||
forward!(_routing_table, _destination, *rank, _repeaters, &packet, timer);
|
||||
// todo: reimplement when/if SPI is available
|
||||
//let succeeded = spi::write(busno, data).is_ok();
|
||||
drtioaux::send(0, &drtioaux::Packet::SpiBasicReply { succeeded: false })
|
||||
@ -444,7 +423,7 @@ fn process_aux_packet(
|
||||
destination: _destination,
|
||||
busno: _busno,
|
||||
} => {
|
||||
forward!(_routing_table, _destination, *_rank, _repeaters, &packet, timer);
|
||||
forward!(_routing_table, _destination, *rank, _repeaters, &packet, timer);
|
||||
// todo: reimplement when/if SPI is available
|
||||
// match spi::read(busno) {
|
||||
// Ok(data) => drtioaux::send(0,
|
||||
@ -464,7 +443,7 @@ fn process_aux_packet(
|
||||
drtioaux::Packet::AnalyzerHeaderRequest {
|
||||
destination: _destination,
|
||||
} => {
|
||||
forward!(_routing_table, _destination, *_rank, _repeaters, &packet, timer);
|
||||
forward!(_routing_table, _destination, *rank, _repeaters, &packet, timer);
|
||||
let header = analyzer.get_header();
|
||||
drtioaux::send(
|
||||
0,
|
||||
@ -478,7 +457,7 @@ fn process_aux_packet(
|
||||
drtioaux::Packet::AnalyzerDataRequest {
|
||||
destination: _destination,
|
||||
} => {
|
||||
forward!(_routing_table, _destination, *_rank, _repeaters, &packet, timer);
|
||||
forward!(_routing_table, _destination, *rank, _repeaters, &packet, timer);
|
||||
let mut data_slice: [u8; SAT_PAYLOAD_MAX_SIZE] = [0; SAT_PAYLOAD_MAX_SIZE];
|
||||
let meta = analyzer.get_data(&mut data_slice);
|
||||
drtioaux::send(
|
||||
@ -492,55 +471,85 @@ fn process_aux_packet(
|
||||
}
|
||||
|
||||
drtioaux::Packet::DmaAddTraceRequest {
|
||||
destination: _destination,
|
||||
source,
|
||||
destination,
|
||||
id,
|
||||
status,
|
||||
length,
|
||||
trace,
|
||||
} => {
|
||||
forward!(_routing_table, _destination, *_rank, _repeaters, &packet, timer);
|
||||
let succeeded = dma_manager.add(id, status, &trace, length as usize).is_ok();
|
||||
drtioaux::send(0, &drtioaux::Packet::DmaAddTraceReply { succeeded: succeeded })
|
||||
forward!(_routing_table, destination, *rank, _repeaters, &packet, timer);
|
||||
*self_destination = destination;
|
||||
let succeeded = dma_manager.add(source, id, status, &trace, length as usize).is_ok();
|
||||
router.send(
|
||||
drtioaux::Packet::DmaAddTraceReply {
|
||||
destination: source,
|
||||
succeeded: succeeded,
|
||||
},
|
||||
_routing_table,
|
||||
*rank,
|
||||
*self_destination,
|
||||
)
|
||||
}
|
||||
drtioaux::Packet::DmaRemoveTraceRequest {
|
||||
source,
|
||||
destination: _destination,
|
||||
id,
|
||||
} => {
|
||||
forward!(_routing_table, _destination, *_rank, _repeaters, &packet, timer);
|
||||
let succeeded = dma_manager.erase(id).is_ok();
|
||||
drtioaux::send(0, &drtioaux::Packet::DmaRemoveTraceReply { succeeded: succeeded })
|
||||
forward!(_routing_table, _destination, *rank, _repeaters, &packet, timer);
|
||||
let succeeded = dma_manager.erase(source, id).is_ok();
|
||||
router.send(
|
||||
drtioaux::Packet::DmaRemoveTraceReply {
|
||||
destination: source,
|
||||
succeeded: succeeded,
|
||||
},
|
||||
_routing_table,
|
||||
*rank,
|
||||
*self_destination,
|
||||
)
|
||||
}
|
||||
drtioaux::Packet::DmaPlaybackRequest {
|
||||
source,
|
||||
destination: _destination,
|
||||
id,
|
||||
timestamp,
|
||||
} => {
|
||||
forward!(_routing_table, _destination, *_rank, _repeaters, &packet, timer);
|
||||
forward!(_routing_table, _destination, *rank, _repeaters, &packet, timer);
|
||||
let succeeded = if !kernel_manager.running() {
|
||||
dma_manager.playback(id, timestamp).is_ok()
|
||||
dma_manager.playback(source, id, timestamp).is_ok()
|
||||
} else {
|
||||
false
|
||||
};
|
||||
drtioaux::send(0, &drtioaux::Packet::DmaPlaybackReply { succeeded: succeeded })
|
||||
router.send(
|
||||
drtioaux::Packet::DmaPlaybackReply {
|
||||
destination: source,
|
||||
succeeded: succeeded,
|
||||
},
|
||||
_routing_table,
|
||||
*rank,
|
||||
*self_destination,
|
||||
)
|
||||
}
|
||||
|
||||
drtioaux::Packet::SubkernelAddDataRequest {
|
||||
destination: _destination,
|
||||
destination,
|
||||
id,
|
||||
status,
|
||||
length,
|
||||
data,
|
||||
} => {
|
||||
forward!(_routing_table, _destination, *_rank, _repeaters, &packet, timer);
|
||||
forward!(_routing_table, destination, *rank, _repeaters, &packet, timer);
|
||||
*self_destination = destination;
|
||||
let succeeded = kernel_manager.add(id, status, &data, length as usize).is_ok();
|
||||
drtioaux::send(0, &drtioaux::Packet::SubkernelAddDataReply { succeeded: succeeded })
|
||||
}
|
||||
drtioaux::Packet::SubkernelLoadRunRequest {
|
||||
source,
|
||||
destination: _destination,
|
||||
id,
|
||||
run,
|
||||
} => {
|
||||
forward!(_routing_table, _destination, *_rank, _repeaters, &packet, timer);
|
||||
forward!(_routing_table, _destination, *rank, _repeaters, &packet, timer);
|
||||
let mut succeeded = kernel_manager.load(id).is_ok();
|
||||
// allow preloading a kernel with delayed run
|
||||
if run {
|
||||
@ -548,15 +557,42 @@ fn process_aux_packet(
|
||||
// cannot run kernel while DDMA is running
|
||||
succeeded = false;
|
||||
} else {
|
||||
succeeded |= kernel_manager.run(id).is_ok();
|
||||
succeeded |= kernel_manager.run(source, id).is_ok();
|
||||
}
|
||||
}
|
||||
drtioaux::send(0, &drtioaux::Packet::SubkernelLoadRunReply { succeeded: succeeded })
|
||||
router.send(
|
||||
drtioaux::Packet::SubkernelLoadRunReply {
|
||||
destination: source,
|
||||
succeeded: succeeded,
|
||||
},
|
||||
_routing_table,
|
||||
*rank,
|
||||
*self_destination,
|
||||
)
|
||||
}
|
||||
drtioaux::Packet::SubkernelLoadRunReply {
|
||||
destination: _destination,
|
||||
succeeded,
|
||||
} => {
|
||||
forward!(_routing_table, _destination, *rank, _repeaters, &packet, timer);
|
||||
// received if local subkernel started another, remote subkernel
|
||||
kernel_manager.subkernel_load_run_reply(succeeded);
|
||||
Ok(())
|
||||
}
|
||||
drtioaux::Packet::SubkernelFinished {
|
||||
destination: _destination,
|
||||
id,
|
||||
with_exception,
|
||||
exception_src,
|
||||
} => {
|
||||
forward!(_routing_table, _destination, *rank, _repeaters, &packet, timer);
|
||||
kernel_manager.remote_subkernel_finished(id, with_exception, exception_src);
|
||||
Ok(())
|
||||
}
|
||||
drtioaux::Packet::SubkernelExceptionRequest {
|
||||
destination: _destination,
|
||||
} => {
|
||||
forward!(_routing_table, _destination, *_rank, _repeaters, &packet, timer);
|
||||
forward!(_routing_table, _destination, *rank, _repeaters, &packet, timer);
|
||||
let mut data_slice: [u8; SAT_PAYLOAD_MAX_SIZE] = [0; SAT_PAYLOAD_MAX_SIZE];
|
||||
let meta = kernel_manager.exception_get_slice(&mut data_slice);
|
||||
drtioaux::send(
|
||||
@ -569,38 +605,43 @@ fn process_aux_packet(
|
||||
)
|
||||
}
|
||||
drtioaux::Packet::SubkernelMessage {
|
||||
destination,
|
||||
source,
|
||||
destination: _destination,
|
||||
id: _id,
|
||||
status,
|
||||
length,
|
||||
data,
|
||||
} => {
|
||||
forward!(_routing_table, destination, *_rank, _repeaters, &packet, timer);
|
||||
forward!(_routing_table, _destination, *rank, _repeaters, &packet, timer);
|
||||
kernel_manager.message_handle_incoming(status, length as usize, &data);
|
||||
drtioaux::send(
|
||||
0,
|
||||
&drtioaux::Packet::SubkernelMessageAck {
|
||||
destination: destination,
|
||||
},
|
||||
router.send(
|
||||
drtioaux::Packet::SubkernelMessageAck { destination: source },
|
||||
_routing_table,
|
||||
*rank,
|
||||
*self_destination,
|
||||
)
|
||||
}
|
||||
drtioaux::Packet::SubkernelMessageAck {
|
||||
destination: _destination,
|
||||
} => {
|
||||
forward!(_routing_table, _destination, *_rank, _repeaters, &packet, timer);
|
||||
forward!(_routing_table, _destination, *rank, _repeaters, &packet, timer);
|
||||
if kernel_manager.message_ack_slice() {
|
||||
let mut data_slice: [u8; MASTER_PAYLOAD_MAX_SIZE] = [0; MASTER_PAYLOAD_MAX_SIZE];
|
||||
if let Some(meta) = kernel_manager.message_get_slice(&mut data_slice) {
|
||||
drtioaux::send(
|
||||
0,
|
||||
&drtioaux::Packet::SubkernelMessage {
|
||||
destination: *_rank,
|
||||
// route and not send immediately as ACKs are not a beginning of a transaction
|
||||
router.route(
|
||||
drtioaux::Packet::SubkernelMessage {
|
||||
source: *self_destination,
|
||||
destination: meta.destination,
|
||||
id: kernel_manager.get_current_id().unwrap(),
|
||||
status: meta.status,
|
||||
length: meta.len as u16,
|
||||
data: data_slice,
|
||||
},
|
||||
)?;
|
||||
_routing_table,
|
||||
*rank,
|
||||
*self_destination,
|
||||
);
|
||||
} else {
|
||||
error!("Error receiving message slice");
|
||||
}
|
||||
@ -619,32 +660,35 @@ fn process_aux_packets(
|
||||
repeaters: &mut [repeater::Repeater],
|
||||
routing_table: &mut drtio_routing::RoutingTable,
|
||||
rank: &mut u8,
|
||||
self_destination: &mut u8,
|
||||
timer: &mut GlobalTimer,
|
||||
i2c: &mut I2c,
|
||||
dma_manager: &mut DmaManager,
|
||||
analyzer: &mut Analyzer,
|
||||
kernel_manager: &mut KernelManager,
|
||||
router: &mut Router,
|
||||
) {
|
||||
let result = drtioaux::recv(0).and_then(|packet| {
|
||||
if let Some(packet) = packet {
|
||||
if let Some(packet) = packet.or_else(|| router.get_local_packet()) {
|
||||
process_aux_packet(
|
||||
repeaters,
|
||||
routing_table,
|
||||
rank,
|
||||
self_destination,
|
||||
packet,
|
||||
timer,
|
||||
i2c,
|
||||
dma_manager,
|
||||
analyzer,
|
||||
kernel_manager,
|
||||
router,
|
||||
)
|
||||
} else {
|
||||
Ok(())
|
||||
}
|
||||
});
|
||||
match result {
|
||||
Ok(()) => (),
|
||||
Err(e) => warn!("aux packet error ({:?})", e),
|
||||
if let Err(e) = result {
|
||||
warn!("aux packet error ({:?})", e);
|
||||
}
|
||||
}
|
||||
|
||||
@ -800,17 +844,20 @@ pub extern "C" fn main_core0() -> i32 {
|
||||
}
|
||||
let mut routing_table = drtio_routing::RoutingTable::default_empty();
|
||||
let mut rank = 1;
|
||||
let mut destination = 1;
|
||||
|
||||
let mut hardware_tick_ts = 0;
|
||||
|
||||
let mut control = ksupport::kernel::Control::start();
|
||||
|
||||
loop {
|
||||
let mut router = Router::new();
|
||||
|
||||
while !drtiosat_link_rx_up() {
|
||||
drtiosat_process_errors();
|
||||
#[allow(unused_mut)]
|
||||
for mut rep in repeaters.iter_mut() {
|
||||
rep.service(&routing_table, rank, &mut timer);
|
||||
rep.service(&routing_table, rank, destination, &mut router, &mut timer);
|
||||
}
|
||||
#[cfg(feature = "target_kasli_soc")]
|
||||
{
|
||||
@ -849,15 +896,17 @@ pub extern "C" fn main_core0() -> i32 {
|
||||
&mut repeaters,
|
||||
&mut routing_table,
|
||||
&mut rank,
|
||||
&mut destination,
|
||||
&mut timer,
|
||||
&mut i2c,
|
||||
&mut dma_manager,
|
||||
&mut analyzer,
|
||||
&mut kernel_manager,
|
||||
&mut router,
|
||||
);
|
||||
#[allow(unused_mut)]
|
||||
for mut rep in repeaters.iter_mut() {
|
||||
rep.service(&routing_table, rank, &mut timer);
|
||||
rep.service(&routing_table, rank, destination, &mut router, &mut timer);
|
||||
}
|
||||
#[cfg(feature = "target_kasli_soc")]
|
||||
{
|
||||
@ -880,7 +929,37 @@ pub extern "C" fn main_core0() -> i32 {
|
||||
error!("aux packet error: {:?}", e);
|
||||
}
|
||||
}
|
||||
kernel_manager.process_kern_requests(rank, timer);
|
||||
if let Some(status) = dma_manager.check_state() {
|
||||
info!(
|
||||
"playback done, error: {}, channel: {}, timestamp: {}",
|
||||
status.error, status.channel, status.timestamp
|
||||
);
|
||||
router.route(
|
||||
drtioaux::Packet::DmaPlaybackStatus {
|
||||
source: destination,
|
||||
destination: status.source,
|
||||
id: status.id,
|
||||
error: status.error,
|
||||
channel: status.channel,
|
||||
timestamp: status.timestamp,
|
||||
},
|
||||
&routing_table,
|
||||
rank,
|
||||
destination,
|
||||
);
|
||||
}
|
||||
|
||||
kernel_manager.process_kern_requests(&mut router, &routing_table, rank, destination, &timer);
|
||||
|
||||
if let Some((repno, packet)) = router.get_downstream_packet() {
|
||||
if let Err(e) = repeaters[repno].aux_send(&packet) {
|
||||
warn!("[REP#{}] Error when sending packet to satellite ({:?})", repno, e)
|
||||
}
|
||||
}
|
||||
|
||||
if router.any_upstream_waiting() {
|
||||
drtiosat_async_ready();
|
||||
}
|
||||
}
|
||||
|
||||
drtiosat_reset_phy(true);
|
||||
|
@ -6,6 +6,7 @@ use libboard_artiq::{drtio_routing, drtioaux};
|
||||
#[cfg(has_drtio_routing)]
|
||||
use libboard_zynq::time::Milliseconds;
|
||||
use libboard_zynq::timer::GlobalTimer;
|
||||
use routing::Router;
|
||||
|
||||
#[cfg(has_drtio_routing)]
|
||||
fn rep_link_rx_up(repno: u8) -> bool {
|
||||
@ -53,7 +54,14 @@ impl Repeater {
|
||||
self.state == RepeaterState::Up
|
||||
}
|
||||
|
||||
pub fn service(&mut self, routing_table: &drtio_routing::RoutingTable, rank: u8, timer: &mut GlobalTimer) {
|
||||
pub fn service(
|
||||
&mut self,
|
||||
routing_table: &drtio_routing::RoutingTable,
|
||||
rank: u8,
|
||||
destination: u8,
|
||||
router: &mut Router,
|
||||
timer: &mut GlobalTimer,
|
||||
) {
|
||||
self.process_local_errors();
|
||||
|
||||
match self.state {
|
||||
@ -116,6 +124,11 @@ impl Repeater {
|
||||
info!("[REP#{}] link is down", self.repno);
|
||||
self.state = RepeaterState::Down;
|
||||
}
|
||||
if self.async_messages_ready() {
|
||||
if let Err(e) = self.handle_async(routing_table, rank, destination, router, timer) {
|
||||
warn!("[REP#{}] Error handling async messages ({:?})", self.repno, e);
|
||||
}
|
||||
}
|
||||
}
|
||||
RepeaterState::Failed => {
|
||||
if !rep_link_rx_up(self.repno) {
|
||||
@ -173,6 +186,34 @@ impl Repeater {
|
||||
}
|
||||
}
|
||||
|
||||
fn async_messages_ready(&self) -> bool {
|
||||
let async_rdy;
|
||||
unsafe {
|
||||
async_rdy = (csr::DRTIOREP[self.repno as usize].async_messages_ready_read)();
|
||||
(csr::DRTIOREP[self.repno as usize].async_messages_ready_write)(0);
|
||||
}
|
||||
async_rdy == 1
|
||||
}
|
||||
|
||||
fn handle_async(
|
||||
&self,
|
||||
routing_table: &drtio_routing::RoutingTable,
|
||||
rank: u8,
|
||||
self_destination: u8,
|
||||
router: &mut Router,
|
||||
timer: &mut GlobalTimer,
|
||||
) -> Result<(), drtioaux::Error> {
|
||||
loop {
|
||||
drtioaux::send(self.auxno, &drtioaux::Packet::RoutingRetrievePackets).unwrap();
|
||||
let reply = self.recv_aux_timeout(200, timer)?;
|
||||
match reply {
|
||||
drtioaux::Packet::RoutingNoPackets => break,
|
||||
packet => router.route(packet, routing_table, rank, self_destination),
|
||||
}
|
||||
}
|
||||
Ok(())
|
||||
}
|
||||
|
||||
fn recv_aux_timeout(&self, timeout: u32, timer: &mut GlobalTimer) -> Result<drtioaux::Packet, drtioaux::Error> {
|
||||
let max_time = timer.get_time() + Milliseconds(timeout.into());
|
||||
loop {
|
||||
@ -191,15 +232,19 @@ impl Repeater {
|
||||
}
|
||||
|
||||
pub fn aux_forward(&self, request: &drtioaux::Packet, timer: &mut GlobalTimer) -> Result<(), drtioaux::Error> {
|
||||
if self.state != RepeaterState::Up {
|
||||
return Err(drtioaux::Error::LinkDown);
|
||||
}
|
||||
drtioaux::send(self.auxno, request).unwrap();
|
||||
self.aux_send(request)?;
|
||||
let reply = self.recv_aux_timeout(200, timer)?;
|
||||
drtioaux::send(0, &reply).unwrap();
|
||||
Ok(())
|
||||
}
|
||||
|
||||
pub fn aux_send(&self, request: &drtioaux::Packet) -> Result<(), drtioaux::Error> {
|
||||
if self.state != RepeaterState::Up {
|
||||
return Err(drtioaux::Error::LinkDown);
|
||||
}
|
||||
drtioaux::send(self.auxno, request)
|
||||
}
|
||||
|
||||
pub fn sync_tsc(&self, timer: &mut GlobalTimer) -> Result<(), drtioaux::Error> {
|
||||
if self.state != RepeaterState::Up {
|
||||
return Ok(());
|
||||
|
124
src/satman/src/routing.rs
Normal file
124
src/satman/src/routing.rs
Normal file
@ -0,0 +1,124 @@
|
||||
use alloc::collections::vec_deque::VecDeque;
|
||||
|
||||
use libboard_artiq::{drtio_routing, drtioaux, pl::csr};
|
||||
|
||||
// Packets from downstream (further satellites) are received and routed appropriately.
|
||||
// they're passed as soon as possible downstream (within the subtree), or sent upstream,
|
||||
// which is notified about pending packets.
|
||||
// for rank 1 (connected to master) satellites, these packets are passed as an answer to DestinationStatusRequest;
|
||||
// for higher ranks, after getting a notification, it will transact with downstream to get the pending packets.
|
||||
|
||||
// forward! macro is not deprecated, as routable packets are only these that can originate
|
||||
// from both master and satellite, e.g. DDMA and Subkernel.
|
||||
|
||||
pub struct Router {
|
||||
upstream_queue: VecDeque<drtioaux::Packet>,
|
||||
local_queue: VecDeque<drtioaux::Packet>,
|
||||
downstream_queue: VecDeque<(usize, drtioaux::Packet)>,
|
||||
upstream_notified: bool,
|
||||
}
|
||||
|
||||
impl Router {
|
||||
pub fn new() -> Router {
|
||||
Router {
|
||||
upstream_queue: VecDeque::new(),
|
||||
local_queue: VecDeque::new(),
|
||||
downstream_queue: VecDeque::new(),
|
||||
upstream_notified: false,
|
||||
}
|
||||
}
|
||||
|
||||
// called by local sources (DDMA, kernel) and by repeaters on receiving async data
|
||||
// messages are always buffered for both upstream and downstream
|
||||
pub fn route(
|
||||
&mut self,
|
||||
packet: drtioaux::Packet,
|
||||
_routing_table: &drtio_routing::RoutingTable,
|
||||
_rank: u8,
|
||||
_self_destination: u8,
|
||||
) {
|
||||
#[cfg(has_drtio_routing)]
|
||||
{
|
||||
let destination = packet.routable_destination();
|
||||
if let Some(destination) = destination {
|
||||
let hop = _routing_table.0[destination as usize][_rank as usize] as usize;
|
||||
if destination == _self_destination {
|
||||
self.local_queue.push_back(packet);
|
||||
} else if hop > 0 && hop < csr::DRTIOREP.len() {
|
||||
let repno = (hop - 1) as usize;
|
||||
self.downstream_queue.push_back((repno, packet));
|
||||
} else {
|
||||
self.upstream_queue.push_back(packet);
|
||||
}
|
||||
} else {
|
||||
error!("Received an unroutable packet: {:?}", packet);
|
||||
}
|
||||
}
|
||||
#[cfg(not(has_drtio_routing))]
|
||||
{
|
||||
self.upstream_queue.push_back(packet);
|
||||
}
|
||||
}
|
||||
|
||||
// Sends a packet to a required destination, routing if it's necessary
|
||||
pub fn send(
|
||||
&mut self,
|
||||
packet: drtioaux::Packet,
|
||||
_routing_table: &drtio_routing::RoutingTable,
|
||||
_rank: u8,
|
||||
_destination: u8,
|
||||
) -> Result<(), drtioaux::Error> {
|
||||
#[cfg(has_drtio_routing)]
|
||||
{
|
||||
let destination = packet.routable_destination();
|
||||
if let Some(destination) = destination {
|
||||
let hop = _routing_table.0[destination as usize][_rank as usize] as usize;
|
||||
if destination == 0 {
|
||||
// response is needed immediately if master required it
|
||||
drtioaux::send(0, &packet)?;
|
||||
} else if !(hop > 0 && hop < csr::DRTIOREP.len()) {
|
||||
// higher rank can wait
|
||||
self.upstream_queue.push_back(packet);
|
||||
} else {
|
||||
let repno = (hop - 1) as usize;
|
||||
// transaction will occur at closest possible opportunity
|
||||
self.downstream_queue.push_back((repno, packet));
|
||||
}
|
||||
Ok(())
|
||||
} else {
|
||||
// packet not supported in routing, fallback - sent directly
|
||||
drtioaux::send(0, &packet)
|
||||
}
|
||||
}
|
||||
#[cfg(not(has_drtio_routing))]
|
||||
{
|
||||
drtioaux::send(0, &packet)
|
||||
}
|
||||
}
|
||||
|
||||
pub fn any_upstream_waiting(&mut self) -> bool {
|
||||
let empty = self.upstream_queue.is_empty();
|
||||
if !empty && !self.upstream_notified {
|
||||
self.upstream_notified = true; // so upstream will not get spammed with notifications
|
||||
true
|
||||
} else {
|
||||
false
|
||||
}
|
||||
}
|
||||
|
||||
pub fn get_upstream_packet(&mut self) -> Option<drtioaux::Packet> {
|
||||
let packet = self.upstream_queue.pop_front();
|
||||
if packet.is_none() {
|
||||
self.upstream_notified = false;
|
||||
}
|
||||
packet
|
||||
}
|
||||
|
||||
pub fn get_downstream_packet(&mut self) -> Option<(usize, drtioaux::Packet)> {
|
||||
self.downstream_queue.pop_front()
|
||||
}
|
||||
|
||||
pub fn get_local_packet(&mut self) -> Option<drtioaux::Packet> {
|
||||
self.local_queue.pop_front()
|
||||
}
|
||||
}
|
@ -8,11 +8,14 @@ use core_io::{Error as IoError, Write};
|
||||
use cslice::AsCSlice;
|
||||
use io::{Cursor, ProtoWrite};
|
||||
use ksupport::{eh_artiq, kernel, rpc};
|
||||
use libboard_artiq::{drtioaux_proto::{PayloadStatus, MASTER_PAYLOAD_MAX_SIZE, SAT_PAYLOAD_MAX_SIZE},
|
||||
use libboard_artiq::{drtio_routing::RoutingTable,
|
||||
drtioaux,
|
||||
drtioaux_proto::{PayloadStatus, MASTER_PAYLOAD_MAX_SIZE, SAT_PAYLOAD_MAX_SIZE},
|
||||
pl::csr};
|
||||
use libboard_zynq::{time::Milliseconds, timer::GlobalTimer};
|
||||
use libcortex_a9::sync_channel::Receiver;
|
||||
use log::warn;
|
||||
use routing::Router;
|
||||
|
||||
#[derive(Debug, Clone, PartialEq)]
|
||||
enum KernelState {
|
||||
@ -21,6 +24,8 @@ enum KernelState {
|
||||
Running,
|
||||
MsgAwait(Milliseconds, Vec<u8>),
|
||||
MsgSending,
|
||||
SubkernelAwaitLoad,
|
||||
SubkernelAwaitFinish { max_time: Milliseconds, id: u32 },
|
||||
}
|
||||
|
||||
#[derive(Debug)]
|
||||
@ -31,6 +36,7 @@ pub enum Error {
|
||||
NoMessage,
|
||||
AwaitingMessage,
|
||||
SubkernelIoError,
|
||||
DrtioError,
|
||||
KernelException(Sliceable),
|
||||
}
|
||||
|
||||
@ -52,6 +58,12 @@ impl From<()> for Error {
|
||||
}
|
||||
}
|
||||
|
||||
impl From<drtioaux::Error> for Error {
|
||||
fn from(_value: drtioaux::Error) -> Error {
|
||||
Error::DrtioError
|
||||
}
|
||||
}
|
||||
|
||||
macro_rules! unexpected {
|
||||
($($arg:tt)*) => (return Err(Error::Unexpected(format!($($arg)*))));
|
||||
}
|
||||
@ -61,6 +73,7 @@ macro_rules! unexpected {
|
||||
pub struct Sliceable {
|
||||
it: usize,
|
||||
data: Vec<u8>,
|
||||
destination: u8,
|
||||
}
|
||||
|
||||
/* represents interkernel messages */
|
||||
@ -72,7 +85,6 @@ struct Message {
|
||||
#[derive(PartialEq)]
|
||||
enum OutMessageState {
|
||||
NoMessage,
|
||||
MessageReady,
|
||||
MessageBeingSent,
|
||||
MessageSent,
|
||||
MessageAcknowledged,
|
||||
@ -92,6 +104,8 @@ struct Session {
|
||||
kernel_state: KernelState,
|
||||
last_exception: Option<Sliceable>,
|
||||
messages: MessageManager,
|
||||
source: u8, // which destination requested running the kernel
|
||||
subkernels_finished: Vec<u32>,
|
||||
}
|
||||
|
||||
impl Session {
|
||||
@ -101,13 +115,19 @@ impl Session {
|
||||
kernel_state: KernelState::Absent,
|
||||
last_exception: None,
|
||||
messages: MessageManager::new(),
|
||||
source: 0,
|
||||
subkernels_finished: Vec::new(),
|
||||
}
|
||||
}
|
||||
|
||||
fn running(&self) -> bool {
|
||||
match self.kernel_state {
|
||||
KernelState::Absent | KernelState::Loaded => false,
|
||||
KernelState::Running | KernelState::MsgAwait { .. } | KernelState::MsgSending => true,
|
||||
KernelState::Running
|
||||
| KernelState::MsgAwait { .. }
|
||||
| KernelState::MsgSending
|
||||
| KernelState::SubkernelAwaitLoad
|
||||
| KernelState::SubkernelAwaitFinish { .. } => true,
|
||||
}
|
||||
}
|
||||
}
|
||||
@ -129,9 +149,12 @@ pub struct Manager<'a> {
|
||||
pub struct SubkernelFinished {
|
||||
pub id: u32,
|
||||
pub with_exception: bool,
|
||||
pub exception_source: u8,
|
||||
pub source: u8,
|
||||
}
|
||||
|
||||
pub struct SliceMeta {
|
||||
pub destination: u8,
|
||||
pub len: u16,
|
||||
pub status: PayloadStatus,
|
||||
}
|
||||
@ -148,6 +171,7 @@ macro_rules! get_slice_fn {
|
||||
self.it += len;
|
||||
|
||||
SliceMeta {
|
||||
destination: self.destination,
|
||||
len: len as u16,
|
||||
status: status,
|
||||
}
|
||||
@ -156,8 +180,12 @@ macro_rules! get_slice_fn {
|
||||
}
|
||||
|
||||
impl Sliceable {
|
||||
pub fn new(data: Vec<u8>) -> Sliceable {
|
||||
Sliceable { it: 0, data: data }
|
||||
pub fn new(destination: u8, data: Vec<u8>) -> Sliceable {
|
||||
Sliceable {
|
||||
it: 0,
|
||||
data: data,
|
||||
destination: destination,
|
||||
}
|
||||
}
|
||||
|
||||
get_slice_fn!(get_slice_sat, SAT_PAYLOAD_MAX_SIZE);
|
||||
@ -194,17 +222,6 @@ impl MessageManager {
|
||||
}
|
||||
}
|
||||
|
||||
pub fn is_outgoing_ready(&mut self) -> bool {
|
||||
// called by main loop, to see if there's anything to send, will send it afterwards
|
||||
match self.out_state {
|
||||
OutMessageState::MessageReady => {
|
||||
self.out_state = OutMessageState::MessageBeingSent;
|
||||
true
|
||||
}
|
||||
_ => false,
|
||||
}
|
||||
}
|
||||
|
||||
pub fn was_message_acknowledged(&mut self) -> bool {
|
||||
match self.out_state {
|
||||
OutMessageState::MessageAcknowledged => {
|
||||
@ -244,10 +261,34 @@ impl MessageManager {
|
||||
}
|
||||
}
|
||||
|
||||
pub fn accept_outgoing(&mut self, message: Vec<u8>) -> Result<(), Error> {
|
||||
// service tag skipped in kernel
|
||||
self.out_message = Some(Sliceable::new(message));
|
||||
self.out_state = OutMessageState::MessageReady;
|
||||
pub fn accept_outgoing(
|
||||
&mut self,
|
||||
id: u32,
|
||||
self_destination: u8,
|
||||
destination: u8,
|
||||
message: Vec<u8>,
|
||||
routing_table: &RoutingTable,
|
||||
rank: u8,
|
||||
router: &mut Router,
|
||||
) -> Result<(), Error> {
|
||||
self.out_message = Some(Sliceable::new(destination, message));
|
||||
|
||||
let mut data_slice: [u8; MASTER_PAYLOAD_MAX_SIZE] = [0; MASTER_PAYLOAD_MAX_SIZE];
|
||||
self.out_state = OutMessageState::MessageBeingSent;
|
||||
let meta = self.get_outgoing_slice(&mut data_slice).unwrap();
|
||||
router.route(
|
||||
drtioaux::Packet::SubkernelMessage {
|
||||
source: self_destination,
|
||||
destination: destination,
|
||||
id: id,
|
||||
status: meta.status,
|
||||
length: meta.len as u16,
|
||||
data: data_slice,
|
||||
},
|
||||
routing_table,
|
||||
rank,
|
||||
self_destination,
|
||||
);
|
||||
Ok(())
|
||||
}
|
||||
|
||||
@ -313,12 +354,13 @@ impl<'a> Manager<'_> {
|
||||
}
|
||||
}
|
||||
|
||||
pub fn run(&mut self, id: u32) -> Result<(), Error> {
|
||||
pub fn run(&mut self, source: u8, id: u32) -> Result<(), Error> {
|
||||
info!("starting subkernel #{}", id);
|
||||
if self.session.kernel_state != KernelState::Loaded || self.session.id != id {
|
||||
self.load(id)?;
|
||||
}
|
||||
self.session.kernel_state = KernelState::Running;
|
||||
self.session.source = source;
|
||||
unsafe {
|
||||
csr::cri_con::selected_write(2);
|
||||
}
|
||||
@ -354,10 +396,6 @@ impl<'a> Manager<'_> {
|
||||
self.session.messages.ack_slice()
|
||||
}
|
||||
|
||||
pub fn message_is_ready(&mut self) -> bool {
|
||||
self.session.messages.is_outgoing_ready()
|
||||
}
|
||||
|
||||
pub fn load(&mut self, id: u32) -> Result<(), Error> {
|
||||
if self.session.id == id && self.session.kernel_state == KernelState::Loaded {
|
||||
return Ok(());
|
||||
@ -386,16 +424,13 @@ impl<'a> Manager<'_> {
|
||||
match self.session.last_exception.as_mut() {
|
||||
Some(exception) => exception.get_slice_sat(data_slice),
|
||||
None => SliceMeta {
|
||||
destination: 0,
|
||||
len: 0,
|
||||
status: PayloadStatus::FirstAndLast,
|
||||
},
|
||||
}
|
||||
}
|
||||
|
||||
pub fn get_last_finished(&mut self) -> Option<SubkernelFinished> {
|
||||
self.last_finished.take()
|
||||
}
|
||||
|
||||
fn kernel_stop(&mut self) {
|
||||
self.session.kernel_state = KernelState::Absent;
|
||||
unsafe {
|
||||
@ -425,13 +460,38 @@ impl<'a> Manager<'_> {
|
||||
&[],
|
||||
0,
|
||||
) {
|
||||
Ok(_) => self.session.last_exception = Some(Sliceable::new(writer.into_inner())),
|
||||
Ok(_) => self.session.last_exception = Some(Sliceable::new(0, writer.into_inner())),
|
||||
Err(_) => error!("Error writing exception data"),
|
||||
}
|
||||
self.kernel_stop();
|
||||
}
|
||||
|
||||
pub fn process_kern_requests(&mut self, rank: u8, timer: GlobalTimer) {
|
||||
pub fn process_kern_requests(
|
||||
&mut self,
|
||||
router: &mut Router,
|
||||
routing_table: &RoutingTable,
|
||||
rank: u8,
|
||||
destination: u8,
|
||||
timer: &GlobalTimer,
|
||||
) {
|
||||
if let Some(subkernel_finished) = self.last_finished.take() {
|
||||
info!(
|
||||
"subkernel {} finished, with exception: {}",
|
||||
subkernel_finished.id, subkernel_finished.with_exception
|
||||
);
|
||||
router.route(
|
||||
drtioaux::Packet::SubkernelFinished {
|
||||
destination: subkernel_finished.source,
|
||||
id: subkernel_finished.id,
|
||||
with_exception: subkernel_finished.with_exception,
|
||||
exception_src: subkernel_finished.exception_source,
|
||||
},
|
||||
&routing_table,
|
||||
rank,
|
||||
destination,
|
||||
);
|
||||
}
|
||||
|
||||
if !self.running() {
|
||||
return;
|
||||
}
|
||||
@ -444,6 +504,8 @@ impl<'a> Manager<'_> {
|
||||
self.last_finished = Some(SubkernelFinished {
|
||||
id: self.session.id,
|
||||
with_exception: true,
|
||||
exception_source: destination,
|
||||
source: self.session.source,
|
||||
});
|
||||
}
|
||||
Err(e) => {
|
||||
@ -452,15 +514,19 @@ impl<'a> Manager<'_> {
|
||||
self.last_finished = Some(SubkernelFinished {
|
||||
id: self.session.id,
|
||||
with_exception: true,
|
||||
exception_source: destination,
|
||||
source: self.session.source,
|
||||
});
|
||||
}
|
||||
}
|
||||
|
||||
match self.process_kern_message(rank, timer) {
|
||||
match self.process_kern_message(router, routing_table, rank, destination, timer) {
|
||||
Ok(true) => {
|
||||
self.last_finished = Some(SubkernelFinished {
|
||||
id: self.session.id,
|
||||
with_exception: false,
|
||||
exception_source: 0,
|
||||
source: self.session.source,
|
||||
});
|
||||
}
|
||||
Ok(false) | Err(Error::NoMessage) => (),
|
||||
@ -469,6 +535,8 @@ impl<'a> Manager<'_> {
|
||||
self.last_finished = Some(SubkernelFinished {
|
||||
id: self.session.id,
|
||||
with_exception: true,
|
||||
exception_source: destination,
|
||||
source: self.session.source,
|
||||
});
|
||||
}
|
||||
Err(e) => {
|
||||
@ -477,12 +545,46 @@ impl<'a> Manager<'_> {
|
||||
self.last_finished = Some(SubkernelFinished {
|
||||
id: self.session.id,
|
||||
with_exception: true,
|
||||
exception_source: destination,
|
||||
source: self.session.source,
|
||||
});
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
fn process_kern_message(&mut self, rank: u8, timer: GlobalTimer) -> Result<bool, Error> {
|
||||
pub fn subkernel_load_run_reply(&mut self, succeeded: bool) {
|
||||
if self.session.kernel_state == KernelState::SubkernelAwaitLoad {
|
||||
self.control
|
||||
.tx
|
||||
.send(kernel::Message::SubkernelLoadRunReply { succeeded: succeeded });
|
||||
self.session.kernel_state = KernelState::Running;
|
||||
} else {
|
||||
warn!("received unsolicited SubkernelLoadRunReply");
|
||||
}
|
||||
}
|
||||
|
||||
pub fn remote_subkernel_finished(&mut self, id: u32, with_exception: bool, exception_source: u8) {
|
||||
if with_exception {
|
||||
self.kernel_stop();
|
||||
self.last_finished = Some(SubkernelFinished {
|
||||
source: self.session.source,
|
||||
id: self.session.id,
|
||||
with_exception: true,
|
||||
exception_source: exception_source,
|
||||
})
|
||||
} else {
|
||||
self.session.subkernels_finished.push(id);
|
||||
}
|
||||
}
|
||||
|
||||
fn process_kern_message(
|
||||
&mut self,
|
||||
router: &mut Router,
|
||||
routing_table: &RoutingTable,
|
||||
rank: u8,
|
||||
self_destination: u8,
|
||||
timer: &GlobalTimer,
|
||||
) -> Result<bool, Error> {
|
||||
let reply = self.control.rx.try_recv()?;
|
||||
match reply {
|
||||
kernel::Message::KernelFinished(_async_errors) => {
|
||||
@ -503,7 +605,7 @@ impl<'a> Manager<'_> {
|
||||
Err(_) => error!("Error writing exception data"),
|
||||
}
|
||||
self.kernel_stop();
|
||||
return Err(Error::KernelException(Sliceable::new(writer.into_inner())));
|
||||
return Err(Error::KernelException(Sliceable::new(0, writer.into_inner())));
|
||||
}
|
||||
kernel::Message::CachePutRequest(key, value) => {
|
||||
self.cache.insert(key, value);
|
||||
@ -513,18 +615,57 @@ impl<'a> Manager<'_> {
|
||||
let value = self.cache.get(&key).unwrap_or(&DEFAULT).clone();
|
||||
self.control.tx.send(kernel::Message::CacheGetReply(value));
|
||||
}
|
||||
kernel::Message::SubkernelMsgSend { id: _, data } => {
|
||||
self.session.messages.accept_outgoing(data)?;
|
||||
kernel::Message::SubkernelMsgSend {
|
||||
id: _id,
|
||||
destination: msg_dest,
|
||||
data,
|
||||
} => {
|
||||
let msg_dest = msg_dest.or(Some(self.session.source)).unwrap();
|
||||
self.session.messages.accept_outgoing(
|
||||
self.session.id,
|
||||
self_destination,
|
||||
msg_dest,
|
||||
data,
|
||||
routing_table,
|
||||
rank,
|
||||
router,
|
||||
)?;
|
||||
self.session.kernel_state = KernelState::MsgSending;
|
||||
}
|
||||
kernel::Message::SubkernelMsgRecvRequest { id: _, timeout, tags } => {
|
||||
let max_time = timer.get_time() + Milliseconds(timeout);
|
||||
self.session.kernel_state = KernelState::MsgAwait(max_time, tags);
|
||||
}
|
||||
kernel::Message::SubkernelLoadRunRequest {
|
||||
id,
|
||||
destination: sk_destination,
|
||||
run,
|
||||
} => {
|
||||
self.session.kernel_state = KernelState::SubkernelAwaitLoad;
|
||||
router.route(
|
||||
drtioaux::Packet::SubkernelLoadRunRequest {
|
||||
source: self_destination,
|
||||
destination: sk_destination,
|
||||
id: id,
|
||||
run: run,
|
||||
},
|
||||
routing_table,
|
||||
rank,
|
||||
self_destination,
|
||||
);
|
||||
}
|
||||
|
||||
kernel::Message::SubkernelAwaitFinishRequest { id, timeout } => {
|
||||
let max_time = timer.get_time() + Milliseconds(timeout);
|
||||
self.session.kernel_state = KernelState::SubkernelAwaitFinish {
|
||||
max_time: max_time,
|
||||
id: id,
|
||||
};
|
||||
}
|
||||
kernel::Message::UpDestinationsRequest(destination) => {
|
||||
self.control
|
||||
.tx
|
||||
.send(kernel::Message::UpDestinationsReply(destination == (rank as i32)));
|
||||
self.control.tx.send(kernel::Message::UpDestinationsReply(
|
||||
destination == (self_destination as i32),
|
||||
));
|
||||
}
|
||||
_ => {
|
||||
unexpected!("unexpected message from core1 while kernel was running: {:?}", reply);
|
||||
@ -533,7 +674,7 @@ impl<'a> Manager<'_> {
|
||||
Ok(false)
|
||||
}
|
||||
|
||||
fn process_external_messages(&mut self, timer: GlobalTimer) -> Result<(), Error> {
|
||||
fn process_external_messages(&mut self, timer: &GlobalTimer) -> Result<(), Error> {
|
||||
match &self.session.kernel_state {
|
||||
KernelState::MsgAwait(timeout, tags) => {
|
||||
if timer.get_time() > *timeout {
|
||||
@ -565,11 +706,33 @@ impl<'a> Manager<'_> {
|
||||
Err(Error::AwaitingMessage)
|
||||
}
|
||||
}
|
||||
KernelState::SubkernelAwaitFinish { max_time, id } => {
|
||||
if timer.get_time() > *max_time {
|
||||
self.control.tx.send(kernel::Message::SubkernelAwaitFinishReply {
|
||||
status: kernel::SubkernelStatus::Timeout,
|
||||
});
|
||||
self.session.kernel_state = KernelState::Running;
|
||||
} else {
|
||||
let mut i = 0;
|
||||
for status in &self.session.subkernels_finished {
|
||||
if *status == *id {
|
||||
self.control.tx.send(kernel::Message::SubkernelAwaitFinishReply {
|
||||
status: kernel::SubkernelStatus::NoError,
|
||||
});
|
||||
self.session.kernel_state = KernelState::Running;
|
||||
self.session.subkernels_finished.swap_remove(i);
|
||||
break;
|
||||
}
|
||||
i += 1;
|
||||
}
|
||||
}
|
||||
Ok(())
|
||||
}
|
||||
_ => Ok(()),
|
||||
}
|
||||
}
|
||||
|
||||
fn pass_message_to_kernel(&mut self, message: &Message, tags: Vec<u8>, timer: GlobalTimer) -> Result<(), Error> {
|
||||
fn pass_message_to_kernel(&mut self, message: &Message, tags: Vec<u8>, timer: &GlobalTimer) -> Result<(), Error> {
|
||||
let mut reader = Cursor::new(&message.data);
|
||||
let mut current_tags: &[u8] = &tags;
|
||||
let mut i = message.count;
|
||||
@ -592,7 +755,7 @@ impl<'a> Manager<'_> {
|
||||
let mut writer = Cursor::new(buf);
|
||||
match write_exception(&mut writer, exceptions, stack_pointers, backtrace, async_errors) {
|
||||
Ok(()) => {
|
||||
exception = Some(Sliceable::new(writer.into_inner()));
|
||||
exception = Some(Sliceable::new(0, writer.into_inner()));
|
||||
}
|
||||
Err(_) => {
|
||||
unexpected = Some("Error writing exception data".to_string());
|
||||
@ -686,7 +849,7 @@ where
|
||||
|
||||
fn recv_w_timeout(
|
||||
rx: &mut Receiver<'_, kernel::Message>,
|
||||
timer: GlobalTimer,
|
||||
timer: &GlobalTimer,
|
||||
timeout: u64,
|
||||
) -> Result<kernel::Message, Error> {
|
||||
let max_time = timer.get_time() + Milliseconds(timeout);
|
||||
|
Loading…
Reference in New Issue
Block a user