M-Labs/artiq-zynq
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satellite: process kernel requests more often

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This commit is contained in:
mwojcik 2023-09-06 16:44:54 +08:00
parent 3ea8147966
commit 616c40429e
4 changed files with 59 additions and 65 deletions
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8
src/libio/proto.rs
View File

@ -1,3 +1,4 @@
#[cfg(feature = "alloc")]
use alloc::{string::String, vec};
use core::str::Utf8Error;
@ -50,7 +51,8 @@ pub trait ProtoRead {
}
#[inline]
fn read_bytes(&mut self) -> Result<::alloc::vec::Vec<u8>, Self::ReadError> {
#[cfg(feature = "alloc")]
fn read_bytes(&mut self) -> Result<vec::Vec<u8>, Self::ReadError> {
let length = self.read_u32()?;
let mut value = vec![0; length as usize];
self.read_exact(&mut value)?;
@ -58,7 +60,8 @@ pub trait ProtoRead {
}
#[inline]
fn read_string(&mut self) -> Result<::alloc::string::String, ReadStringError<Self::ReadError>> {
#[cfg(feature = "alloc")]
fn read_string(&mut self) -> Result<String, ReadStringError<Self::ReadError>> {
let bytes = self.read_bytes().map_err(ReadStringError::Other)?;
String::from_utf8(bytes).map_err(|err| ReadStringError::Utf8(err.utf8_error()))
}
@ -135,6 +138,7 @@ pub trait ProtoWrite {
}
#[inline]
#[cfg(feature = "alloc")]
fn write_string(&mut self, value: &str) -> Result<(), Self::WriteError> {
self.write_bytes(value.as_bytes())
}

2
src/runtime/Cargo.toml
View File

@ -38,6 +38,6 @@ dyld = { path = "../libdyld" }
dwarf = { path = "../libdwarf" }
unwind = { path = "../libunwind" }
libc = { path = "../libc" }
io = { path = "../libio" }
io = { path = "../libio", features = ["alloc"] }
ksupport = { path = "../libksupport" }
libboard_artiq = { path = "../libboard_artiq" }

76
src/satman/src/main.rs
View File

@ -126,52 +126,6 @@ fn process_aux_packet(
#[cfg(not(has_drtio_routing))]
let 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: rank,
id: status.id,
error: status.error,
channel: status.channel,
timestamp: status.timestamp,
},
)
} else if let Some(subkernel_finished) = kernel_manager.process_kern_requests(rank, timer) {
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];
if let Some(meta) = kernel_manager.message_get_slice(&mut data_slice) {
drtioaux::send(
0,
&drtioaux::Packet::SubkernelMessage {
destination: rank,
id: kernel_manager.get_current_id().unwrap(),
last: meta.last,
length: meta.len as u16,
data: data_slice,
},
)
} else {
warn!("subkernel message is ready but no message is present");
Ok(())
}
}
if hop == 0 {
if let Some(status) = dma_manager.check_state() {
info!(
@ -181,13 +135,40 @@ fn process_aux_packet(
drtioaux::send(
0,
&drtioaux::Packet::DmaPlaybackStatus {
destination: _destination,
destination: *_rank,
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: *_rank,
id: kernel_manager.get_current_id().unwrap(),
last: meta.last,
length: meta.len as u16,
data: data_slice,
},
)?,
None => warn!("subkernel message is ready but no message is present"),
}
} else {
let errors;
unsafe {
@ -897,6 +878,7 @@ pub extern "C" fn main_core0() -> i32 {
error!("aux packet error: {:?}", e);
}
}
kernel_manager.process_kern_requests(rank, timer);
}
drtiosat_reset_phy(true);

38
src/satman/src/subkernel.rs
View File

@ -123,6 +123,7 @@ pub struct Manager<'a> {
session: Session,
control: &'a mut kernel::Control,
cache: BTreeMap<String, Vec<i32>>,
last_finished: Option<SubkernelFinished>,
}
pub struct SubkernelFinished {
@ -242,8 +243,8 @@ impl MessageManager {
}
pub fn accept_outgoing(&mut self, message: Vec<u8>) -> Result<(), Error> {
// skip service tag
self.out_message = Some(Sliceable::new(message[4..].to_vec()));
// service tag skipped in kernel
self.out_message = Some(Sliceable::new(message));
self.out_state = OutMessageState::MessageReady;
Ok(())
}
@ -260,6 +261,7 @@ impl<'a> Manager<'_> {
session: Session::new(0),
control: control,
cache: BTreeMap::new(),
last_finished: None,
}
}
@ -380,6 +382,10 @@ impl<'a> Manager<'_> {
}
}
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 {
@ -415,17 +421,17 @@ impl<'a> Manager<'_> {
self.kernel_stop();
}
pub fn process_kern_requests(&mut self, rank: u8, timer: GlobalTimer) -> Option<SubkernelFinished> {
pub fn process_kern_requests(&mut self, rank: u8, timer: GlobalTimer) {
if !self.running() {
return None;
return;
}
match self.process_external_messages(timer) {
Ok(()) => (),
Err(Error::AwaitingMessage) => return None, // kernel still waiting, do not process kernel messages
Err(Error::AwaitingMessage) => return, // kernel still waiting, do not process kernel messages
Err(Error::KernelException(exception)) => {
self.session.last_exception = Some(exception);
return Some(SubkernelFinished {
self.last_finished = Some(SubkernelFinished {
id: self.session.id,
with_exception: true,
});
@ -433,7 +439,7 @@ impl<'a> Manager<'_> {
Err(e) => {
error!("Error while running processing external messages: {:?}", e);
self.runtime_exception(e);
return Some(SubkernelFinished {
self.last_finished = Some(SubkernelFinished {
id: self.session.id,
with_exception: true,
});
@ -441,14 +447,16 @@ impl<'a> Manager<'_> {
}
match self.process_kern_message(rank, timer) {
Ok(true) => Some(SubkernelFinished {
id: self.session.id,
with_exception: false,
}),
Ok(false) | Err(Error::NoMessage) => None,
Ok(true) => {
self.last_finished = Some(SubkernelFinished {
id: self.session.id,
with_exception: false,
});
}
Ok(false) | Err(Error::NoMessage) => (),
Err(Error::KernelException(exception)) => {
self.session.last_exception = Some(exception);
return Some(SubkernelFinished {
self.last_finished = Some(SubkernelFinished {
id: self.session.id,
with_exception: true,
});
@ -456,10 +464,10 @@ impl<'a> Manager<'_> {
Err(e) => {
error!("Error while running kernel: {:?}", e);
self.runtime_exception(e);
Some(SubkernelFinished {
self.last_finished = Some(SubkernelFinished {
id: self.session.id,
with_exception: true,
})
});
}
}
}