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drtio: async messages become synchronous 

They are now a reply for DestinationStatusRequest.
This prevents gateware errors and lost packets if the receiver is busy.
This commit is contained in:
mwojcik 2023-08-24 17:34:35 +08:00 committed by Sébastien Bourdeauducq
parent 40ac2e03ab
commit eb57b3b393
8 changed files with 262 additions and 220 deletions
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18
artiq/firmware/runtime/analyzer.rs
View File

@ -52,16 +52,18 @@ pub mod remote_analyzer {
pub data: Vec<u8>
}
pub fn get_data(io: &Io, aux_mutex: &Mutex, ddma_mutex: &Mutex,
routing_table: &drtio_routing::RoutingTable,
up_destinations: &Urc<RefCell<[bool; drtio_routing::DEST_COUNT]>>) -> Result<RemoteBuffer, &'static str> {
pub fn get_data(io: &Io, aux_mutex: &Mutex, routing_table: &drtio_routing::RoutingTable,
up_destinations: &Urc<RefCell<[bool; drtio_routing::DEST_COUNT]>>
) -> Result<RemoteBuffer, &'static str> {
// gets data from satellites and returns consolidated data
let mut remote_data: Vec<u8> = Vec::new();
let mut remote_overflow = false;
let mut remote_sent_bytes = 0;
let mut remote_total_bytes = 0;
let data_vec = match drtio::analyzer_query(io, aux_mutex, ddma_mutex, routing_table, up_destinations) {
let data_vec = match drtio::analyzer_query(
io, aux_mutex, routing_table, up_destinations
) {
Ok(data_vec) => data_vec,
Err(e) => return Err(e)
};
@ -83,7 +85,7 @@ pub mod remote_analyzer {
fn worker(stream: &mut TcpStream, _io: &Io, _aux_mutex: &Mutex, _ddma_mutex: &Mutex,
fn worker(stream: &mut TcpStream, _io: &Io, _aux_mutex: &Mutex,
_routing_table: &drtio_routing::RoutingTable,
_up_destinations: &Urc<RefCell<[bool; drtio_routing::DEST_COUNT]>>
) -> Result<(), IoError<SchedError>> {
@ -97,7 +99,7 @@ fn worker(stream: &mut TcpStream, _io: &Io, _aux_mutex: &Mutex, _ddma_mutex: &Mu
#[cfg(has_drtio)]
let remote = remote_analyzer::get_data(
_io, _aux_mutex, _ddma_mutex, _routing_table, _up_destinations);
_io, _aux_mutex, _routing_table, _up_destinations);
#[cfg(has_drtio)]
let (header, remote_data) = match remote {
Ok(remote) => (Header {
@ -144,7 +146,7 @@ fn worker(stream: &mut TcpStream, _io: &Io, _aux_mutex: &Mutex, _ddma_mutex: &Mu
Ok(())
}
pub fn thread(io: Io, aux_mutex: &Mutex, ddma_mutex: &Mutex,
pub fn thread(io: Io, aux_mutex: &Mutex,
routing_table: &Urc<RefCell<drtio_routing::RoutingTable>>,
up_destinations: &Urc<RefCell<[bool; drtio_routing::DEST_COUNT]>>) {
let listener = TcpListener::new(&io, 65535);
@ -159,7 +161,7 @@ pub fn thread(io: Io, aux_mutex: &Mutex, ddma_mutex: &Mutex,
disarm();
let routing_table = routing_table.borrow();
match worker(&mut stream, &io, aux_mutex, ddma_mutex, &routing_table, up_destinations) {
match worker(&mut stream, &io, aux_mutex, &routing_table, up_destinations) {
Ok(()) => (),
Err(err) => error!("analyzer aborted: {}", err)
}

87
artiq/firmware/runtime/kern_hwreq.rs
View File

@ -14,8 +14,11 @@ mod remote_i2c {
use rtio_mgt::drtio;
use sched::{Io, Mutex};
pub fn start(io: &Io, aux_mutex: &Mutex, ddma_mutex: &Mutex, linkno: u8, destination: u8, busno: u8) -> Result<(), &'static str> {
let reply = drtio::aux_transact(io, aux_mutex, ddma_mutex, linkno, &drtioaux::Packet::I2cStartRequest {
pub fn start(io: &Io, aux_mutex: &Mutex,
linkno: u8, destination: u8, busno: u8
) -> Result<(), &'static str> {
let reply = drtio::aux_transact(io, aux_mutex, linkno,
&drtioaux::Packet::I2cStartRequest {
destination: destination,
busno: busno
});
@ -34,8 +37,11 @@ mod remote_i2c {
}
}
pub fn restart(io: &Io, aux_mutex: &Mutex, ddma_mutex: &Mutex, linkno: u8, destination: u8, busno: u8) -> Result<(), &'static str> {
let reply = drtio::aux_transact(io, aux_mutex, ddma_mutex, linkno, &drtioaux::Packet::I2cRestartRequest {
pub fn restart(io: &Io, aux_mutex: &Mutex,
linkno: u8, destination: u8, busno: u8
) -> Result<(), &'static str> {
let reply = drtio::aux_transact(io, aux_mutex, linkno,
&drtioaux::Packet::I2cRestartRequest {
destination: destination,
busno: busno
});
@ -54,8 +60,11 @@ mod remote_i2c {
}
}
pub fn stop(io: &Io, aux_mutex: &Mutex, ddma_mutex: &Mutex, linkno: u8, destination: u8, busno: u8) -> Result<(), &'static str> {
let reply = drtio::aux_transact(io, aux_mutex, ddma_mutex, linkno, &drtioaux::Packet::I2cStopRequest {
pub fn stop(io: &Io, aux_mutex: &Mutex,
linkno: u8, destination: u8, busno: u8
) -> Result<(), &'static str> {
let reply = drtio::aux_transact(io, aux_mutex, linkno,
&drtioaux::Packet::I2cStopRequest {
destination: destination,
busno: busno
});
@ -74,8 +83,11 @@ mod remote_i2c {
}
}
pub fn write(io: &Io, aux_mutex: &Mutex, ddma_mutex: &Mutex, linkno: u8, destination: u8, busno: u8, data: u8) -> Result<bool, &'static str> {
let reply = drtio::aux_transact(io, aux_mutex, ddma_mutex, linkno, &drtioaux::Packet::I2cWriteRequest {
pub fn write(io: &Io, aux_mutex: &Mutex,
linkno: u8, destination: u8, busno: u8, data: u8
) -> Result<bool, &'static str> {
let reply = drtio::aux_transact(io, aux_mutex, linkno,
&drtioaux::Packet::I2cWriteRequest {
destination: destination,
busno: busno,
data: data
@ -95,8 +107,11 @@ mod remote_i2c {
}
}
pub fn read(io: &Io, aux_mutex: &Mutex, ddma_mutex: &Mutex, linkno: u8, destination: u8, busno: u8, ack: bool) -> Result<u8, &'static str> {
let reply = drtio::aux_transact(io, aux_mutex, ddma_mutex, linkno, &drtioaux::Packet::I2cReadRequest {
pub fn read(io: &Io, aux_mutex: &Mutex,
linkno: u8, destination: u8, busno: u8, ack: bool
) -> Result<u8, &'static str> {
let reply = drtio::aux_transact(io, aux_mutex, linkno,
&drtioaux::Packet::I2cReadRequest {
destination: destination,
busno: busno,
ack: ack
@ -116,8 +131,11 @@ mod remote_i2c {
}
}
pub fn switch_select(io: &Io, aux_mutex: &Mutex, ddma_mutex: &Mutex, linkno: u8, destination: u8, busno: u8, address: u8, mask: u8) -> Result<(), &'static str> {
let reply = drtio::aux_transact(io, aux_mutex, ddma_mutex, linkno, &drtioaux::Packet::I2cSwitchSelectRequest {
pub fn switch_select(io: &Io, aux_mutex: &Mutex,
linkno: u8, destination: u8, busno: u8, address: u8, mask: u8
) -> Result<(), &'static str> {
let reply = drtio::aux_transact(io, aux_mutex, linkno,
&drtioaux::Packet::I2cSwitchSelectRequest {
destination: destination,
busno: busno,
address: address,
@ -145,8 +163,10 @@ mod remote_spi {
use rtio_mgt::drtio;
use sched::{Io, Mutex};
pub fn set_config(io: &Io, aux_mutex: &Mutex, ddma_mutex: &Mutex, linkno: u8, destination: u8, busno: u8, flags: u8, length: u8, div: u8, cs: u8) -> Result<(), ()> {
let reply = drtio::aux_transact(io, aux_mutex, ddma_mutex, linkno, &drtioaux::Packet::SpiSetConfigRequest {
pub fn set_config(io: &Io, aux_mutex: &Mutex,
linkno: u8, destination: u8, busno: u8, flags: u8, length: u8, div: u8, cs: u8
) -> Result<(), ()> {
let reply = drtio::aux_transact(io, aux_mutex, linkno, &drtioaux::Packet::SpiSetConfigRequest {
destination: destination,
busno: busno,
flags: flags,
@ -169,8 +189,10 @@ mod remote_spi {
}
}
pub fn write(io: &Io, aux_mutex: &Mutex, ddma_mutex: &Mutex, linkno: u8, destination: u8, busno: u8, data: u32) -> Result<(), ()> {
let reply = drtio::aux_transact(io, aux_mutex, ddma_mutex, linkno, &drtioaux::Packet::SpiWriteRequest {
pub fn write(io: &Io, aux_mutex: &Mutex,
linkno: u8, destination: u8, busno: u8, data: u32
) -> Result<(), ()> {
let reply = drtio::aux_transact(io, aux_mutex, linkno, &drtioaux::Packet::SpiWriteRequest {
destination: destination,
busno: busno,
data: data
@ -190,8 +212,10 @@ mod remote_spi {
}
}
pub fn read(io: &Io, aux_mutex: &Mutex, ddma_mutex: &Mutex, linkno: u8, destination: u8, busno: u8) -> Result<u32, ()> {
let reply = drtio::aux_transact(io, aux_mutex, ddma_mutex, linkno, &drtioaux::Packet::SpiReadRequest {
pub fn read(io: &Io, aux_mutex: &Mutex, linkno: u8, destination: u8, busno: u8
) -> Result<u32, ()> {
let reply = drtio::aux_transact(io, aux_mutex, linkno,
&drtioaux::Packet::SpiReadRequest {
destination: destination,
busno: busno
});
@ -214,7 +238,7 @@ mod remote_spi {
#[cfg(has_drtio)]
macro_rules! dispatch {
($io:ident, $aux_mutex:ident, $ddma_mutex:ident, $mod_local:ident, $mod_remote:ident, $routing_table:ident, $busno:expr, $func:ident $(, $param:expr)*) => {{
($io:ident, $aux_mutex:ident, $mod_local:ident, $mod_remote:ident, $routing_table:ident, $busno:expr, $func:ident $(, $param:expr)*) => {{
let destination = ($busno >> 16) as u8;
let busno = $busno as u8;
let hop = $routing_table.0[destination as usize][0];
@ -222,28 +246,27 @@ macro_rules! dispatch {
$mod_local::$func(busno, $($param, )*)
} else {
let linkno = hop - 1;
$mod_remote::$func($io, $aux_mutex, $ddma_mutex, linkno, destination, busno, $($param, )*)
$mod_remote::$func($io, $aux_mutex, linkno, destination, busno, $($param, )*)
}
}}
}
#[cfg(not(has_drtio))]
macro_rules! dispatch {
($io:ident, $aux_mutex:ident, $ddma_mutex:ident, $mod_local:ident, $mod_remote:ident, $routing_table:ident, $busno:expr, $func:ident $(, $param:expr)*) => {{
($io:ident, $aux_mutex:ident, $mod_local:ident, $mod_remote:ident, $routing_table:ident, $busno:expr, $func:ident $(, $param:expr)*) => {{
let busno = $busno as u8;
$mod_local::$func(busno, $($param, )*)
}}
}
pub fn process_kern_hwreq(io: &Io, aux_mutex: &Mutex,
ddma_mutex: &Mutex,
_routing_table: &drtio_routing::RoutingTable,
_up_destinations: &Urc<RefCell<[bool; drtio_routing::DEST_COUNT]>>,
request: &kern::Message) -> Result<bool, Error<SchedError>> {
match request {
&kern::RtioInitRequest => {
info!("resetting RTIO");
rtio_mgt::reset(io, aux_mutex, ddma_mutex);
rtio_mgt::reset(io, aux_mutex);
kern_acknowledge()
}
@ -259,47 +282,47 @@ pub fn process_kern_hwreq(io: &Io, aux_mutex: &Mutex,
}
&kern::I2cStartRequest { busno } => {
let succeeded = dispatch!(io, aux_mutex, ddma_mutex, local_i2c, remote_i2c, _routing_table, busno, start).is_ok();
let succeeded = dispatch!(io, aux_mutex, local_i2c, remote_i2c, _routing_table, busno, start).is_ok();
kern_send(io, &kern::I2cBasicReply { succeeded: succeeded })
}
&kern::I2cRestartRequest { busno } => {
let succeeded = dispatch!(io, aux_mutex, ddma_mutex, local_i2c, remote_i2c, _routing_table, busno, restart).is_ok();
let succeeded = dispatch!(io, aux_mutex, local_i2c, remote_i2c, _routing_table, busno, restart).is_ok();
kern_send(io, &kern::I2cBasicReply { succeeded: succeeded })
}
&kern::I2cStopRequest { busno } => {
let succeeded = dispatch!(io, aux_mutex, ddma_mutex, local_i2c, remote_i2c, _routing_table, busno, stop).is_ok();
let succeeded = dispatch!(io, aux_mutex, local_i2c, remote_i2c, _routing_table, busno, stop).is_ok();
kern_send(io, &kern::I2cBasicReply { succeeded: succeeded })
}
&kern::I2cWriteRequest { busno, data } => {
match dispatch!(io, aux_mutex, ddma_mutex, local_i2c, remote_i2c, _routing_table, busno, write, data) {
match dispatch!(io, aux_mutex, local_i2c, remote_i2c, _routing_table, busno, write, data) {
Ok(ack) => kern_send(io, &kern::I2cWriteReply { succeeded: true, ack: ack }),
Err(_) => kern_send(io, &kern::I2cWriteReply { succeeded: false, ack: false })
}
}
&kern::I2cReadRequest { busno, ack } => {
match dispatch!(io, aux_mutex, ddma_mutex, local_i2c, remote_i2c, _routing_table, busno, read, ack) {
match dispatch!(io, aux_mutex, local_i2c, remote_i2c, _routing_table, busno, read, ack) {
Ok(data) => kern_send(io, &kern::I2cReadReply { succeeded: true, data: data }),
Err(_) => kern_send(io, &kern::I2cReadReply { succeeded: false, data: 0xff })
}
}
&kern::I2cSwitchSelectRequest { busno, address, mask } => {
let succeeded = dispatch!(io, aux_mutex, ddma_mutex, local_i2c, remote_i2c, _routing_table, busno,
let succeeded = dispatch!(io, aux_mutex, local_i2c, remote_i2c, _routing_table, busno,
switch_select, address, mask).is_ok();
kern_send(io, &kern::I2cBasicReply { succeeded: succeeded })
}
&kern::SpiSetConfigRequest { busno, flags, length, div, cs } => {
let succeeded = dispatch!(io, aux_mutex, ddma_mutex, local_spi, remote_spi, _routing_table, busno,
let succeeded = dispatch!(io, aux_mutex, local_spi, remote_spi, _routing_table, busno,
set_config, flags, length, div, cs).is_ok();
kern_send(io, &kern::SpiBasicReply { succeeded: succeeded })
},
&kern::SpiWriteRequest { busno, data } => {
let succeeded = dispatch!(io, aux_mutex, ddma_mutex, local_spi, remote_spi, _routing_table, busno,
let succeeded = dispatch!(io, aux_mutex, local_spi, remote_spi, _routing_table, busno,
write, data).is_ok();
kern_send(io, &kern::SpiBasicReply { succeeded: succeeded })
}
&kern::SpiReadRequest { busno } => {
match dispatch!(io, aux_mutex, ddma_mutex, local_spi, remote_spi, _routing_table, busno, read) {
match dispatch!(io, aux_mutex, local_spi, remote_spi, _routing_table, busno, read) {
Ok(data) => kern_send(io, &kern::SpiReadReply { succeeded: true, data: data }),
Err(_) => kern_send(io, &kern::SpiReadReply { succeeded: false, data: 0 })
}

6
artiq/firmware/runtime/main.rs
View File

@ -210,17 +210,15 @@ fn startup() {
#[cfg(any(has_rtio_moninj, has_drtio))]
{
let aux_mutex = aux_mutex.clone();
let ddma_mutex = ddma_mutex.clone();
let drtio_routing_table = drtio_routing_table.clone();
io.spawn(4096, move |io| { moninj::thread(io, &aux_mutex, &ddma_mutex, &drtio_routing_table) });
io.spawn(4096, move |io| { moninj::thread(io, &aux_mutex, &drtio_routing_table) });
}
#[cfg(has_rtio_analyzer)]
{
let aux_mutex = aux_mutex.clone();
let drtio_routing_table = drtio_routing_table.clone();
let up_destinations = up_destinations.clone();
let ddma_mutex = ddma_mutex.clone();
io.spawn(8192, move |io| { analyzer::thread(io, &aux_mutex, &ddma_mutex, &drtio_routing_table, &up_destinations) });
io.spawn(8192, move |io| { analyzer::thread(io, &aux_mutex, &drtio_routing_table, &up_destinations) });
}
#[cfg(has_grabber)]

37
artiq/firmware/runtime/moninj.rs
View File

@ -53,8 +53,10 @@ mod remote_moninj {
use rtio_mgt::drtio;
use sched::{Io, Mutex};
pub fn read_probe(io: &Io, aux_mutex: &Mutex, ddma_mutex: &Mutex, linkno: u8, destination: u8, channel: u16, probe: u8) -> u64 {
let reply = drtio::aux_transact(io, aux_mutex, ddma_mutex, linkno, &drtioaux::Packet::MonitorRequest {
pub fn read_probe(io: &Io, aux_mutex: &Mutex, linkno: u8,
destination: u8, channel: u16, probe: u8) -> u64 {
let reply = drtio::aux_transact(io, aux_mutex, linkno,
&drtioaux::Packet::MonitorRequest {
destination: destination,
channel: channel,
probe: probe
@ -67,7 +69,8 @@ mod remote_moninj {
0
}
pub fn inject(io: &Io, aux_mutex: &Mutex, _ddma_mutex: &Mutex, linkno: u8, destination: u8, channel: u16, overrd: u8, value: u8) {
pub fn inject(io: &Io, aux_mutex: &Mutex, linkno: u8,
destination: u8, channel: u16, overrd: u8, value: u8) {
let _lock = aux_mutex.lock(io).unwrap();
drtioaux::send(linkno, &drtioaux::Packet::InjectionRequest {
destination: destination,
@ -77,8 +80,10 @@ mod remote_moninj {
}).unwrap();
}
pub fn read_injection_status(io: &Io, aux_mutex: &Mutex, ddma_mutex: &Mutex, linkno: u8, destination: u8, channel: u16, overrd: u8) -> u8 {
let reply = drtio::aux_transact(io, aux_mutex, ddma_mutex, linkno, &drtioaux::Packet::InjectionStatusRequest {
pub fn read_injection_status(io: &Io, aux_mutex: &Mutex, linkno: u8,
destination: u8, channel: u16, overrd: u8) -> u8 {
let reply = drtio::aux_transact(io, aux_mutex, linkno,
&drtioaux::Packet::InjectionStatusRequest {
destination: destination,
channel: channel,
overrd: overrd
@ -94,7 +99,7 @@ mod remote_moninj {
#[cfg(has_drtio)]
macro_rules! dispatch {
($io:ident, $aux_mutex:ident, $ddma_mutex:ident, $routing_table:ident, $channel:expr, $func:ident $(, $param:expr)*) => {{
($io:ident, $aux_mutex:ident, $routing_table:ident, $channel:expr, $func:ident $(, $param:expr)*) => {{
let destination = ($channel >> 16) as u8;
let channel = $channel as u16;
let hop = $routing_table.0[destination as usize][0];
@ -102,20 +107,20 @@ macro_rules! dispatch {
local_moninj::$func(channel, $($param, )*)
} else {
let linkno = hop - 1;
remote_moninj::$func($io, $aux_mutex, $ddma_mutex, linkno, destination, channel, $($param, )*)
remote_moninj::$func($io, $aux_mutex, linkno, destination, channel, $($param, )*)
}
}}
}
#[cfg(not(has_drtio))]
macro_rules! dispatch {
($io:ident, $aux_mutex:ident, $ddma_mutex:ident, $routing_table:ident, $channel:expr, $func:ident $(, $param:expr)*) => {{
($io:ident, $aux_mutex:ident, $routing_table:ident, $channel:expr, $func:ident $(, $param:expr)*) => {{
let channel = $channel as u16;
local_moninj::$func(channel, $($param, )*)
}}
}
fn connection_worker(io: &Io, _aux_mutex: &Mutex, _ddma_mutex: &Mutex, _routing_table: &drtio_routing::RoutingTable,
fn connection_worker(io: &Io, _aux_mutex: &Mutex, _routing_table: &drtio_routing::RoutingTable,
mut stream: &mut TcpStream) -> Result<(), Error<SchedError>> {
let mut probe_watch_list = BTreeMap::new();
let mut inject_watch_list = BTreeMap::new();
@ -144,9 +149,10 @@ fn connection_worker(io: &Io, _aux_mutex: &Mutex, _ddma_mutex: &Mutex, _routing_
let _ = inject_watch_list.remove(&(channel, overrd));
}
},
HostMessage::Inject { channel, overrd, value } => dispatch!(io, _aux_mutex, _ddma_mutex, _routing_table, channel, inject, overrd, value),
HostMessage::Inject { channel, overrd, value } => dispatch!(
io, _aux_mutex, _routing_table, channel, inject, overrd, value),
HostMessage::GetInjectionStatus { channel, overrd } => {
let value = dispatch!(io, _aux_mutex, _ddma_mutex, _routing_table, channel, read_injection_status, overrd);
let value = dispatch!(io, _aux_mutex, _routing_table, channel, read_injection_status, overrd);
let reply = DeviceMessage::InjectionStatus {
channel: channel,
overrd: overrd,
@ -163,7 +169,7 @@ fn connection_worker(io: &Io, _aux_mutex: &Mutex, _ddma_mutex: &Mutex, _routing_
if clock::get_ms() > next_check {
for (&(channel, probe), previous) in probe_watch_list.iter_mut() {
let current = dispatch!(io, _aux_mutex, _ddma_mutex, _routing_table, channel, read_probe, probe);
let current = dispatch!(io, _aux_mutex, _routing_table, channel, read_probe, probe);
if previous.is_none() || previous.unwrap() != current {
let message = DeviceMessage::MonitorStatus {
channel: channel,
@ -178,7 +184,7 @@ fn connection_worker(io: &Io, _aux_mutex: &Mutex, _ddma_mutex: &Mutex, _routing_
}
}
for (&(channel, overrd), previous) in inject_watch_list.iter_mut() {
let current = dispatch!(io, _aux_mutex, _ddma_mutex, _routing_table, channel, read_injection_status, overrd);
let current = dispatch!(io, _aux_mutex, _routing_table, channel, read_injection_status, overrd);
if previous.is_none() || previous.unwrap() != current {
let message = DeviceMessage::InjectionStatus {
channel: channel,
@ -199,19 +205,18 @@ fn connection_worker(io: &Io, _aux_mutex: &Mutex, _ddma_mutex: &Mutex, _routing_
}
}
pub fn thread(io: Io, aux_mutex: &Mutex, ddma_mutex: &Mutex, routing_table: &Urc<RefCell<drtio_routing::RoutingTable>>) {
pub fn thread(io: Io, aux_mutex: &Mutex, routing_table: &Urc<RefCell<drtio_routing::RoutingTable>>) {
let listener = TcpListener::new(&io, 2047);
listener.listen(1383).expect("moninj: cannot listen");
loop {
let aux_mutex = aux_mutex.clone();
let ddma_mutex = ddma_mutex.clone();
let routing_table = routing_table.clone();
let stream = listener.accept().expect("moninj: cannot accept").into_handle();
io.spawn(16384, move |io| {
let routing_table = routing_table.borrow();
let mut stream = TcpStream::from_handle(&io, stream);
match connection_worker(&io, &aux_mutex, &ddma_mutex, &routing_table, &mut stream) {
match connection_worker(&io, &aux_mutex, &routing_table, &mut stream) {
Ok(()) => {},
Err(err) => error!("moninj aborted: {}", err)
}

24
artiq/firmware/runtime/rtio_dma.rs
View File

@ -91,12 +91,12 @@ pub mod remote_dma {
Ok(playback_state)
}
pub fn erase(io: &Io, aux_mutex: &Mutex, routing_table: &RoutingTable,
ddma_mutex: &Mutex, id: u32) {
pub fn erase(io: &Io, aux_mutex: &Mutex, ddma_mutex: &Mutex,
routing_table: &RoutingTable, id: u32) {
let _lock = ddma_mutex.lock(io).unwrap();
let destinations = unsafe { TRACES.get(&id).unwrap() };
for destination in destinations.keys() {
match drtio::ddma_send_erase(io, aux_mutex, ddma_mutex, routing_table, id, *destination) {
match drtio::ddma_send_erase(io, aux_mutex, routing_table, id, *destination) {
Ok(_) => (),
Err(e) => error!("Error erasing trace on DMA: {}", e)
}
@ -104,12 +104,12 @@ pub mod remote_dma {
unsafe { TRACES.remove(&id); }
}
pub fn upload_traces(io: &Io, aux_mutex: &Mutex, routing_table: &RoutingTable,
ddma_mutex: &Mutex, id: u32) {
pub fn upload_traces(io: &Io, aux_mutex: &Mutex, ddma_mutex: &Mutex,
routing_table: &RoutingTable, id: u32) {
let _lock = ddma_mutex.lock(io);
let traces = unsafe { TRACES.get_mut(&id).unwrap() };
for (destination, mut trace) in traces {
match drtio::ddma_upload_trace(io, aux_mutex, ddma_mutex, routing_table, id, *destination, trace.get_trace())
match drtio::ddma_upload_trace(io, aux_mutex, routing_table, id, *destination, trace.get_trace())
{
Ok(_) => trace.state = RemoteState::Loaded,
Err(e) => error!("Error adding DMA trace on destination {}: {}", destination, e)
@ -117,8 +117,8 @@ pub mod remote_dma {
}
}
pub fn playback(io: &Io, aux_mutex: &Mutex, routing_table: &RoutingTable,
ddma_mutex: &Mutex, id: u32, timestamp: u64) {
pub fn playback(io: &Io, aux_mutex: &Mutex, ddma_mutex: &Mutex,
routing_table: &RoutingTable, id: u32, timestamp: u64) {
// triggers playback on satellites
let destinations = unsafe {
let _lock = ddma_mutex.lock(io).unwrap();
@ -133,7 +133,7 @@ pub mod remote_dma {
continue;
}
}
match drtio::ddma_send_playback(io, aux_mutex, ddma_mutex, routing_table, id, *destination, timestamp) {
match drtio::ddma_send_playback(io, aux_mutex, routing_table, id, *destination, timestamp) {
Ok(_) => (),
Err(e) => error!("Error during remote DMA playback: {}", e)
}
@ -152,15 +152,15 @@ pub mod remote_dma {
};
}
pub fn destination_changed(io: &Io, aux_mutex: &Mutex, routing_table: &RoutingTable,
ddma_mutex: &Mutex, destination: u8, up: bool) {
pub fn destination_changed(io: &Io, aux_mutex: &Mutex, ddma_mutex: &Mutex,
routing_table: &RoutingTable, destination: u8, up: bool) {
// update state of the destination, resend traces if it's up
let _lock = ddma_mutex.lock(io).unwrap();
let traces_iter = unsafe { TRACES.iter_mut() };
for (id, dest_traces) in traces_iter {
if let Some(trace) = dest_traces.get_mut(&destination) {
if up {
match drtio::ddma_upload_trace(io, aux_mutex, ddma_mutex, routing_table, *id, destination, trace.get_trace())
match drtio::ddma_upload_trace(io, aux_mutex, routing_table, *id, destination, trace.get_trace())
{
Ok(_) => trace.state = RemoteState::Loaded,
Err(e) => error!("Error adding DMA trace on destination {}: {}", destination, e)

125
artiq/firmware/runtime/rtio_mgt.rs
View File

@ -61,23 +61,27 @@ pub mod drtio {
}
}
pub fn aux_transact(io: &Io, aux_mutex: &Mutex, ddma_mutex: &Mutex,
linkno: u8, request: &drtioaux::Packet ) -> Result<drtioaux::Packet, &'static str> {
let _lock = aux_mutex.lock(io).unwrap();
drtioaux::send(linkno, request).unwrap();
loop {
let reply = recv_aux_timeout(io, linkno, 200);
match reply {
Ok(drtioaux::Packet::DmaPlaybackStatus { id, destination, error, channel, timestamp }) => {
fn process_async_packets(io: &Io, ddma_mutex: &Mutex, packet: drtioaux::Packet
) -> Option<drtioaux::Packet> {
// returns None if an async packet has been consumed
match packet {
drtioaux::Packet::DmaPlaybackStatus { id, destination, error, channel, timestamp } => {
remote_dma::playback_done(io, ddma_mutex, id, destination, error, channel, timestamp);
None
},
Ok(packet) => return Ok(packet),
Err(e) => return Err(e)
}
other => Some(other)
}
}
fn ping_remote(io: &Io, aux_mutex: &Mutex, ddma_mutex: &Mutex, linkno: u8) -> u32 {
pub fn aux_transact(io: &Io, aux_mutex: &Mutex, linkno: u8, request: &drtioaux::Packet
) -> Result<drtioaux::Packet, &'static str> {
let _lock = aux_mutex.lock(io).unwrap();
drtioaux::send(linkno, request).unwrap();
let reply = recv_aux_timeout(io, linkno, 200)?;
Ok(reply)
}
fn ping_remote(io: &Io, aux_mutex: &Mutex, linkno: u8) -> u32 {
let mut count = 0;
loop {
if !link_rx_up(linkno) {
@ -87,7 +91,7 @@ pub mod drtio {
if count > 100 {
return 0;
}
let reply = aux_transact(io, aux_mutex, ddma_mutex, linkno, &drtioaux::Packet::EchoRequest);
let reply = aux_transact(io, aux_mutex, linkno, &drtioaux::Packet::EchoRequest);
match reply {
Ok(drtioaux::Packet::EchoReply) => {
// make sure receive buffer is drained
@ -123,10 +127,10 @@ pub mod drtio {
}
}
fn load_routing_table(io: &Io, aux_mutex: &Mutex, ddma_mutex: &Mutex,
fn load_routing_table(io: &Io, aux_mutex: &Mutex,
linkno: u8, routing_table: &drtio_routing::RoutingTable) -> Result<(), &'static str> {
for i in 0..drtio_routing::DEST_COUNT {
let reply = aux_transact(io, aux_mutex, ddma_mutex, linkno, &drtioaux::Packet::RoutingSetPath {
let reply = aux_transact(io, aux_mutex, linkno, &drtioaux::Packet::RoutingSetPath {
destination: i as u8,
hops: routing_table.0[i]
})?;
@ -137,8 +141,10 @@ pub mod drtio {
Ok(())
}
fn set_rank(io: &Io, aux_mutex: &Mutex, ddma_mutex: &Mutex, linkno: u8, rank: u8) -> Result<(), &'static str> {
let reply = aux_transact(io, aux_mutex, ddma_mutex, linkno, &drtioaux::Packet::RoutingSetRank {
fn set_rank(io: &Io, aux_mutex: &Mutex,
linkno: u8, rank: u8) -> Result<(), &'static str> {
let reply = aux_transact(io, aux_mutex, linkno,
&drtioaux::Packet::RoutingSetRank {
rank: rank
})?;
if reply != drtioaux::Packet::RoutingAck {
@ -229,37 +235,52 @@ pub mod drtio {
let linkno = hop - 1;
if destination_up(up_destinations, destination) {
if up_links[linkno as usize] {
let reply = aux_transact(io, aux_mutex, ddma_mutex, linkno, &drtioaux::Packet::DestinationStatusRequest {
loop {
let reply = aux_transact(io, aux_mutex, linkno,
&drtioaux::Packet::DestinationStatusRequest {
destination: destination
});
if let Ok(reply) = reply {
let reply = process_async_packets(io, ddma_mutex, reply);
match reply {
Ok(drtioaux::Packet::DestinationDownReply) => {
Some(drtioaux::Packet::DestinationDownReply) => {
destination_set_up(routing_table, up_destinations, destination, false);
remote_dma::destination_changed(io, aux_mutex, routing_table, ddma_mutex, destination, false);
remote_dma::destination_changed(io, aux_mutex, ddma_mutex, routing_table, destination, false);
}
Ok(drtioaux::Packet::DestinationOkReply) => (),
Ok(drtioaux::Packet::DestinationSequenceErrorReply { channel }) => {
Some(drtioaux::Packet::DestinationOkReply) => (),
Some(drtioaux::Packet::DestinationSequenceErrorReply { channel }) => {
error!("[DEST#{}] RTIO sequence error involving channel 0x{:04x}:{}", destination, channel, resolve_channel_name(channel as u32));
unsafe { SEEN_ASYNC_ERRORS |= ASYNC_ERROR_SEQUENCE_ERROR };
}
Ok(drtioaux::Packet::DestinationCollisionReply { channel }) => {
Some(drtioaux::Packet::DestinationCollisionReply { channel }) => {
error!("[DEST#{}] RTIO collision involving channel 0x{:04x}:{}", destination, channel, resolve_channel_name(channel as u32));
unsafe { SEEN_ASYNC_ERRORS |= ASYNC_ERROR_COLLISION };
}
Ok(drtioaux::Packet::DestinationBusyReply { channel }) => {
Some(drtioaux::Packet::DestinationBusyReply { channel }) => {
error!("[DEST#{}] RTIO busy error involving channel 0x{:04x}:{}", destination, channel, resolve_channel_name(channel as u32));
unsafe { SEEN_ASYNC_ERRORS |= ASYNC_ERROR_BUSY };
}
Ok(packet) => error!("[DEST#{}] received unexpected aux packet: {:?}", destination, packet),
Err(e) => error!("[DEST#{}] communication failed ({})", destination, e)
Some(packet) => error!("[DEST#{}] received unexpected aux packet: {:?}", destination, packet),
None => {
// continue asking until we get Destination...Reply or error out
// wait a bit not to overwhelm the receiver causing gateway errors
io.sleep(10).unwrap();
continue;
}
}
} else {
error!("[DEST#{}] communication failed ({})", destination, reply.unwrap_err());
}
break;
}
} else {
destination_set_up(routing_table, up_destinations, destination, false);
remote_dma::destination_changed(io, aux_mutex, routing_table, ddma_mutex, destination, false);
remote_dma::destination_changed(io, aux_mutex, ddma_mutex, routing_table, destination, false);
}
} else {
if up_links[linkno as usize] {
let reply = aux_transact(io, aux_mutex, ddma_mutex, linkno, &drtioaux::Packet::DestinationStatusRequest {
let reply = aux_transact(io, aux_mutex, linkno,
&drtioaux::Packet::DestinationStatusRequest {
destination: destination
});
match reply {
@ -267,7 +288,7 @@ pub mod drtio {
Ok(drtioaux::Packet::DestinationOkReply) => {
destination_set_up(routing_table, up_destinations, destination, true);
init_buffer_space(destination as u8, linkno);
remote_dma::destination_changed(io, aux_mutex, routing_table, ddma_mutex, destination, true);
remote_dma::destination_changed(io, aux_mutex, ddma_mutex, routing_table, destination, true);
},
Ok(packet) => error!("[DEST#{}] received unexpected aux packet: {:?}", destination, packet),
Err(e) => error!("[DEST#{}] communication failed ({})", destination, e)
@ -299,17 +320,17 @@ pub mod drtio {
/* link was previously down */
if link_rx_up(linkno) {
info!("[LINK#{}] link RX became up, pinging", linkno);
let ping_count = ping_remote(&io, aux_mutex, ddma_mutex, linkno);
let ping_count = ping_remote(&io, aux_mutex, linkno);
if ping_count > 0 {
info!("[LINK#{}] remote replied after {} packets", linkno, ping_count);
up_links[linkno as usize] = true;
if let Err(e) = sync_tsc(&io, aux_mutex, linkno) {
error!("[LINK#{}] failed to sync TSC ({})", linkno, e);
}
if let Err(e) = load_routing_table(&io, aux_mutex, ddma_mutex, linkno, routing_table) {
if let Err(e) = load_routing_table(&io, aux_mutex, linkno, routing_table) {
error!("[LINK#{}] failed to load routing table ({})", linkno, e);
}
if let Err(e) = set_rank(&io, aux_mutex, ddma_mutex, linkno, 1) {
if let Err(e) = set_rank(&io, aux_mutex, linkno, 1) {
error!("[LINK#{}] failed to set rank ({})", linkno, e);
}
info!("[LINK#{}] link initialization completed", linkno);
@ -324,7 +345,7 @@ pub mod drtio {
}
}
pub fn reset(io: &Io, aux_mutex: &Mutex, ddma_mutex: &Mutex) {
pub fn reset(io: &Io, aux_mutex: &Mutex) {
for linkno in 0..csr::DRTIO.len() {
unsafe {
(csr::DRTIO[linkno].reset_write)(1);
@ -340,7 +361,7 @@ pub mod drtio {
for linkno in 0..csr::DRTIO.len() {
let linkno = linkno as u8;
if link_rx_up(linkno) {
let reply = aux_transact(io, aux_mutex, ddma_mutex, linkno,
let reply = aux_transact(io, aux_mutex, linkno,
&drtioaux::Packet::ResetRequest);
match reply {
Ok(drtioaux::Packet::ResetAck) => (),
@ -351,8 +372,7 @@ pub mod drtio {
}
}
pub fn ddma_upload_trace(io: &Io, aux_mutex: &Mutex, ddma_mutex: &Mutex,
routing_table: &drtio_routing::RoutingTable,
pub fn ddma_upload_trace(io: &Io, aux_mutex: &Mutex, routing_table: &drtio_routing::RoutingTable,
id: u32, destination: u8, trace: &Vec<u8>) -> Result<(), &'static str> {
let linkno = routing_table.0[destination as usize][0] - 1;
let mut i = 0;
@ -362,7 +382,7 @@ pub mod drtio {
let last = i + len == trace.len();
trace_slice[..len].clone_from_slice(&trace[i..i+len]);
i += len;
let reply = aux_transact(io, aux_mutex, ddma_mutex, linkno,
let reply = aux_transact(io, aux_mutex, linkno,
&drtioaux::Packet::DmaAddTraceRequest {
id: id, destination: destination, last: last, length: len as u16, trace: trace_slice});
match reply {
@ -376,12 +396,10 @@ pub mod drtio {
Ok(())
}
pub fn ddma_send_erase(io: &Io, aux_mutex: &Mutex, ddma_mutex: &Mutex,
routing_table: &drtio_routing::RoutingTable,
pub fn ddma_send_erase(io: &Io, aux_mutex: &Mutex, routing_table: &drtio_routing::RoutingTable,
id: u32, destination: u8) -> Result<(), &'static str> {
let linkno = routing_table.0[destination as usize][0] - 1;
let reply = aux_transact(io, aux_mutex, ddma_mutex, linkno,
let reply = aux_transact(io, aux_mutex, linkno,
&drtioaux::Packet::DmaRemoveTraceRequest { id: id, destination: destination });
match reply {
Ok(drtioaux::Packet::DmaRemoveTraceReply { succeeded: true }) => Ok(()),
@ -391,12 +409,11 @@ pub mod drtio {
}
}
pub fn ddma_send_playback(io: &Io, aux_mutex: &Mutex, ddma_mutex: &Mutex,
routing_table: &drtio_routing::RoutingTable,
pub fn ddma_send_playback(io: &Io, aux_mutex: &Mutex, routing_table: &drtio_routing::RoutingTable,
id: u32, destination: u8, timestamp: u64) -> Result<(), &'static str> {
let linkno = routing_table.0[destination as usize][0] - 1;
let reply = aux_transact(io, aux_mutex, ddma_mutex, linkno, &drtioaux::Packet::DmaPlaybackRequest{
id: id, destination: destination, timestamp: timestamp });
let reply = aux_transact(io, aux_mutex, linkno,
&drtioaux::Packet::DmaPlaybackRequest{ id: id, destination: destination, timestamp: timestamp });
match reply {
Ok(drtioaux::Packet::DmaPlaybackReply { succeeded: true }) => return Ok(()),
Ok(drtioaux::Packet::DmaPlaybackReply { succeeded: false }) =>
@ -407,11 +424,10 @@ pub mod drtio {
}
#[cfg(has_rtio_analyzer)]
fn analyzer_get_data(io: &Io, aux_mutex: &Mutex, ddma_mutex: &Mutex,
routing_table: &drtio_routing::RoutingTable, destination: u8
) -> Result<RemoteBuffer, &'static str> {
fn analyzer_get_data(io: &Io, aux_mutex: &Mutex, routing_table: &drtio_routing::RoutingTable,
destination: u8) -> Result<RemoteBuffer, &'static str> {
let linkno = routing_table.0[destination as usize][0] - 1;
let reply = aux_transact(io, aux_mutex, ddma_mutex, linkno,
let reply = aux_transact(io, aux_mutex, linkno,
&drtioaux::Packet::AnalyzerHeaderRequest { destination: destination });
let (sent, total, overflow) = match reply {
Ok(drtioaux::Packet::AnalyzerHeader {
@ -425,7 +441,7 @@ pub mod drtio {
if sent > 0 {
let mut last_packet = false;
while !last_packet {
let reply = aux_transact(io, aux_mutex, ddma_mutex, linkno,
let reply = aux_transact(io, aux_mutex, linkno,
&drtioaux::Packet::AnalyzerDataRequest { destination: destination });
match reply {
Ok(drtioaux::Packet::AnalyzerData { last, length, data }) => {
@ -447,14 +463,13 @@ pub mod drtio {
}
#[cfg(has_rtio_analyzer)]
pub fn analyzer_query(io: &Io, aux_mutex: &Mutex, ddma_mutex: &Mutex,
routing_table: &drtio_routing::RoutingTable,
pub fn analyzer_query(io: &Io, aux_mutex: &Mutex, routing_table: &drtio_routing::RoutingTable,
up_destinations: &Urc<RefCell<[bool; drtio_routing::DEST_COUNT]>>
) -> Result<Vec<RemoteBuffer>, &'static str> {
let mut remote_buffers: Vec<RemoteBuffer> = Vec::new();
for i in 1..drtio_routing::DEST_COUNT {
if destination_up(up_destinations, i as u8) {
remote_buffers.push(analyzer_get_data(io, aux_mutex, ddma_mutex, routing_table, i as u8)?);
remote_buffers.push(analyzer_get_data(io, aux_mutex, routing_table, i as u8)?);
}
}
Ok(remote_buffers)
@ -542,9 +557,9 @@ pub fn startup(io: &Io, aux_mutex: &Mutex,
io.spawn(4096, async_error_thread);
}
pub fn reset(io: &Io, aux_mutex: &Mutex, ddma_mutex: &Mutex) {
pub fn reset(io: &Io, aux_mutex: &Mutex) {
unsafe {
csr::rtio_core::reset_write(1);
}
drtio::reset(io, aux_mutex, ddma_mutex)
drtio::reset(io, aux_mutex)
}

11
artiq/firmware/runtime/session.rs
View File

@ -349,7 +349,7 @@ fn process_kern_message(io: &Io, aux_mutex: &Mutex,
kern_recv_dotrace(request);
if kern_hwreq::process_kern_hwreq(io, aux_mutex, ddma_mutex, routing_table, up_destinations, request)? {
if kern_hwreq::process_kern_hwreq(io, aux_mutex, routing_table, up_destinations, request)? {
return Ok(false)
}
@ -373,7 +373,7 @@ fn process_kern_message(io: &Io, aux_mutex: &Mutex,
if let Some(_id) = session.congress.dma_manager.record_start(name) {
// replace the record
#[cfg(has_drtio)]
remote_dma::erase(io, aux_mutex, routing_table, ddma_mutex, _id);
remote_dma::erase(io, aux_mutex, ddma_mutex, routing_table, _id);
}
kern_acknowledge()
}
@ -385,7 +385,7 @@ fn process_kern_message(io: &Io, aux_mutex: &Mutex,
let _id = session.congress.dma_manager.record_stop(duration, enable_ddma, io, ddma_mutex);
#[cfg(has_drtio)]
if enable_ddma {
remote_dma::upload_traces(io, aux_mutex, routing_table, ddma_mutex, _id);
remote_dma::upload_traces(io, aux_mutex, ddma_mutex, routing_table, _id);
}
cache::flush_l2_cache();
kern_acknowledge()
@ -393,7 +393,7 @@ fn process_kern_message(io: &Io, aux_mutex: &Mutex,
&kern::DmaEraseRequest { name } => {
#[cfg(has_drtio)]
if let Some(id) = session.congress.dma_manager.get_id(name) {
remote_dma::erase(io, aux_mutex, routing_table, ddma_mutex, *id);
remote_dma::erase(io, aux_mutex, ddma_mutex, routing_table, *id);
}
session.congress.dma_manager.erase(name);
kern_acknowledge()
@ -416,7 +416,7 @@ fn process_kern_message(io: &Io, aux_mutex: &Mutex,
}
&kern::DmaStartRemoteRequest { id: _id, timestamp: _timestamp } => {
#[cfg(has_drtio)]
remote_dma::playback(io, aux_mutex, routing_table, ddma_mutex, _id as u32, _timestamp as u64);
remote_dma::playback(io, aux_mutex, ddma_mutex, routing_table, _id as u32, _timestamp as u64);
kern_acknowledge()
}
&kern::DmaAwaitRemoteRequest { id: _id } => {
@ -510,7 +510,6 @@ fn process_kern_message(io: &Io, aux_mutex: &Mutex,
}
}
}
request => unexpected!("unexpected request {:?} from kernel CPU", request)
}.and(Ok(false))
})

14
artiq/firmware/satman/main.rs
View File

@ -109,6 +109,12 @@ fn process_aux_packet(_manager: &mut DmaManager, analyzer: &mut Analyzer, _repea
let hop = 0;
if hop == 0 {
// async messages
if let Some(status) = _manager.check_state() {
info!("playback done, error: {}, channel: {}, timestamp: {}", status.error, status.channel, status.timestamp);
drtioaux::send(0, &drtioaux::Packet::DmaPlaybackStatus {
destination: *_rank, id: status.id, error: status.error, channel: status.channel, timestamp: status.timestamp })?;
} else {
let errors;
unsafe {
errors = csr::drtiosat::rtio_error_read();
@ -142,6 +148,7 @@ fn process_aux_packet(_manager: &mut DmaManager, analyzer: &mut Analyzer, _repea
drtioaux::send(0, &drtioaux::Packet::DestinationOkReply)?;
}
}
}
#[cfg(has_drtio_routing)]
{
@ -643,13 +650,6 @@ pub extern fn main() -> i32 {
error!("aux packet error: {}", e);
}
}
if let Some(status) = dma_manager.check_state() {
info!("playback done, error: {}, channel: {}, timestamp: {}", status.error, status.channel, status.timestamp);
if let Err(e) = drtioaux::send(0, &drtioaux::Packet::DmaPlaybackStatus {
destination: rank, id: status.id, error: status.error, channel: status.channel, timestamp: status.timestamp }) {
error!("error sending DMA playback status: {}", e);
}
}
}
drtiosat_reset_phy(true);