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analyzer: use transactions for data transmission

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mwojcik 2023-05-19 09:41:26 +08:00 committed by Sébastien Bourdeauducq
parent 6c96033d41
commit ddfe51e7ac
6 changed files with 173 additions and 65 deletions
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18
artiq/firmware/libproto_artiq/drtioaux_proto.rs
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@ -58,8 +58,9 @@ pub enum Packet {
SpiReadReply { succeeded: bool, data: u32 },
SpiBasicReply { succeeded: bool },
AnalyzerRequest { destination: u8 },
AnalyzerHeaderRequest { destination: u8 },
AnalyzerHeader { sent_bytes: u32, total_byte_count: u64, overflow_occurred: bool },
AnalyzerDataRequest { destination: u8 },
AnalyzerData { last: bool, length: u16, data: [u8; ANALYZER_MAX_SIZE]},
DmaAddTraceRequest { destination: u8, id: u32, last: bool, length: u16, trace: [u8; DMA_TRACE_MAX_SIZE] },
@ -200,7 +201,7 @@ impl Packet {
succeeded: reader.read_bool()?
},
0xa0 => Packet::AnalyzerRequest {
0xa0 => Packet::AnalyzerHeaderRequest {
destination: reader.read_u8()?
},
0xa1 => Packet::AnalyzerHeader {
@ -208,7 +209,10 @@ impl Packet {
total_byte_count: reader.read_u64()?,
overflow_occurred: reader.read_bool()?,
},
0xa2 => {
0xa2 => Packet::AnalyzerDataRequest {
destination: reader.read_u8()?
},
0xa3 => {
let last = reader.read_bool()?;
let length = reader.read_u16()?;
let mut data: [u8; ANALYZER_MAX_SIZE] = [0; ANALYZER_MAX_SIZE];
@ -420,7 +424,7 @@ impl Packet {
writer.write_bool(succeeded)?;
},
Packet::AnalyzerRequest { destination } => {
Packet::AnalyzerHeaderRequest { destination } => {
writer.write_u8(0xa0)?;
writer.write_u8(destination)?;
},
@ -430,8 +434,12 @@ impl Packet {
writer.write_u64(total_byte_count)?;
writer.write_bool(overflow_occurred)?;
},
Packet::AnalyzerData { last, length, data } => {
Packet::AnalyzerDataRequest { destination } => {
writer.write_u8(0xa2)?;
writer.write_u8(destination)?;
},
Packet::AnalyzerData { last, length, data } => {
writer.write_u8(0xa3)?;
writer.write_bool(last)?;
writer.write_u16(length)?;
writer.write_all(&data[0..length as usize])?;

37
artiq/firmware/runtime/analyzer.rs
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@ -2,7 +2,6 @@ use io::{Write, Error as IoError};
use board_misoc::{csr, cache};
use sched::{Io, Mutex, TcpListener, TcpStream, Error as SchedError};
use analyzer_proto::*;
use alloc::vec::Vec;
use urc::Urc;
use board_artiq::drtio_routing;
use core::cell::RefCell;
@ -43,6 +42,7 @@ fn disarm() {
pub mod remote_analyzer {
use super::*;
use rtio_mgt::drtio;
use alloc::vec::Vec;
pub struct RemoteBuffer {
pub total_byte_count: u64,
@ -53,7 +53,7 @@ pub mod remote_analyzer {
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]>>) -> RemoteBuffer {
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;
@ -62,7 +62,7 @@ pub mod remote_analyzer {
let data_vec = match drtio::analyzer_query(io, aux_mutex, ddma_mutex, routing_table, up_destinations) {
Ok(data_vec) => data_vec,
Err(e) => { error!("error retrieving remote analyzer data: {}", e); Vec::new() }
Err(e) => return Err(e)
};
for data in data_vec {
remote_total_bytes += data.total_byte_count;
@ -71,12 +71,12 @@ pub mod remote_analyzer {
remote_data.extend(data.data);
}
RemoteBuffer {
Ok(RemoteBuffer {
total_byte_count: remote_total_bytes,
sent_bytes: remote_sent_bytes,
overflow_occurred: remote_overflow,
data: remote_data
}
})
}
}
@ -98,12 +98,25 @@ fn worker(stream: &mut TcpStream, _io: &Io, _aux_mutex: &Mutex, _ddma_mutex: &Mu
let remote = remote_analyzer::get_data(
_io, _aux_mutex, _ddma_mutex, _routing_table, _up_destinations);
#[cfg(has_drtio)]
let header = Header {
total_byte_count: local_total_byte_count + remote.total_byte_count,
sent_bytes: local_sent_bytes + remote.sent_bytes,
overflow_occurred: local_overflow_occurred | remote.overflow_occurred,
log_channel: csr::CONFIG_RTIO_LOG_CHANNEL as u8,
dds_onehot_sel: true
let (header, remote_data) = match remote {
Ok(remote) => (Header {
total_byte_count: local_total_byte_count + remote.total_byte_count,
sent_bytes: local_sent_bytes + remote.sent_bytes,
overflow_occurred: local_overflow_occurred | remote.overflow_occurred,
log_channel: csr::CONFIG_RTIO_LOG_CHANNEL as u8,
dds_onehot_sel: true
}, remote.data),
Err(e) => {
error!("Error getting remote analyzer data: {}", e);
(Header {
total_byte_count: local_total_byte_count,
sent_bytes: local_sent_bytes,
overflow_occurred: true,
log_channel: csr::CONFIG_RTIO_LOG_CHANNEL as u8,
dds_onehot_sel: true
},
Vec::new())
}
};
#[cfg(not(has_drtio))]
@ -125,7 +138,7 @@ fn worker(stream: &mut TcpStream, _io: &Io, _aux_mutex: &Mutex, _ddma_mutex: &Mu
stream.write_all(&local_data[..pointer])?;
}
#[cfg(has_drtio)]
stream.write_all(&remote.data)?;
stream.write_all(&remote_data)?;
Ok(())
}

2
artiq/firmware/runtime/main.rs
View File

@ -214,7 +214,7 @@ fn startup() {
let drtio_routing_table = drtio_routing_table.clone();
let up_destinations = up_destinations.clone();
let ddma_mutex = ddma_mutex.clone();
io.spawn(4096, move |io| { analyzer::thread(io, &aux_mutex, &ddma_mutex, &drtio_routing_table, &up_destinations) });
io.spawn(8192, move |io| { analyzer::thread(io, &aux_mutex, &ddma_mutex, &drtio_routing_table, &up_destinations) });
}
#[cfg(has_grabber)]

19
artiq/firmware/runtime/rtio_mgt.rs
View File

@ -411,28 +411,29 @@ pub mod drtio {
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, &drtioaux::Packet::AnalyzerRequest {
destination: destination });
let reply = aux_transact(io, aux_mutex, ddma_mutex, linkno,
&drtioaux::Packet::AnalyzerHeaderRequest { destination: destination });
let (sent, total, overflow) = match reply {
Ok(drtioaux::Packet::AnalyzerHeader {
sent_bytes, total_byte_count, overflow_occurred }
) => (sent_bytes, total_byte_count, overflow_occurred),
Ok(_) => return Err("received unexpected aux packet during remote analyzer data request"),
Err(_) => return Err("aux error on remote analyzer request")
Ok(_) => return Err("received unexpected aux packet during remote analyzer header request"),
Err(e) => return Err(e)
};
let mut remote_data: Vec<u8> = Vec::new();
if sent > 0 {
let mut last_packet = false;
while !last_packet {
let reply = recv_aux_timeout(io, linkno, 200);
let reply = aux_transact(io, aux_mutex, ddma_mutex, linkno,
&drtioaux::Packet::AnalyzerDataRequest { destination: destination });
match reply {
Ok(drtioaux::Packet::AnalyzerData { last, length, data }) => {
last_packet = last;
remote_data.extend(&data[0..length as usize]);
},
Ok(_) => return Err("received unexpected aux packet during remote analyzer data request"),
Err(_) => return Err("aux error on remote analyzer request")
Err(e) => return Err(e)
}
}
}
@ -451,9 +452,9 @@ pub mod drtio {
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 0..drtio_routing::DEST_COUNT as u8 {
if destination_up(up_destinations, i) {
remote_buffers.push(analyzer_get_data(io, aux_mutex, ddma_mutex, routing_table, i)?);
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)?);
}
}
Ok(remote_buffers)

126
artiq/firmware/satman/analyzer.rs
View File

@ -1,5 +1,4 @@
use board_misoc::{csr, cache};
use board_artiq::drtioaux;
use proto_artiq::drtioaux_proto::ANALYZER_MAX_SIZE;
const BUFFER_SIZE: usize = 512 * 1024;
@ -13,7 +12,7 @@ static mut BUFFER: Buffer = Buffer {
data: [0; BUFFER_SIZE]
};
pub fn arm() {
fn arm() {
unsafe {
let base_addr = &mut BUFFER.data[0] as *mut _ as usize;
let last_addr = &mut BUFFER.data[BUFFER_SIZE - 1] as *mut _ as usize;
@ -25,7 +24,7 @@ pub fn arm() {
}
}
pub fn disarm() {
fn disarm() {
unsafe {
csr::rtio_analyzer::enable_write(0);
while csr::rtio_analyzer::busy_read() != 0 {}
@ -34,38 +33,109 @@ pub fn disarm() {
}
}
pub fn send() -> Result<(), drtioaux::Error<!>> {
let data = unsafe { &BUFFER.data[..] };
let overflow_occurred = unsafe { csr::rtio_analyzer::message_encoder_overflow_read() != 0 };
let total_byte_count = unsafe { csr::rtio_analyzer::dma_byte_count_read() };
let pointer = (total_byte_count % BUFFER_SIZE as u64) as usize;
let wraparound = total_byte_count >= BUFFER_SIZE as u64;
let sent_bytes = if wraparound { BUFFER_SIZE } else { total_byte_count as usize };
pub struct Analyzer {
// necessary for keeping track of sent data
sent_bytes: usize,
data_iter: usize
}
drtioaux::send(0, &drtioaux::Packet::AnalyzerHeader {
total_byte_count: total_byte_count,
sent_bytes: sent_bytes as u32,
overflow_occurred: overflow_occurred,
})?;
pub struct Header {
pub total_byte_count: u64,
pub sent_bytes: u32,
pub overflow: bool
}
let mut i = if wraparound { pointer } else { 0 };
while i < sent_bytes {
let mut data_slice: [u8; ANALYZER_MAX_SIZE] = [0; ANALYZER_MAX_SIZE];
let len: usize = if i + ANALYZER_MAX_SIZE < sent_bytes { ANALYZER_MAX_SIZE } else { sent_bytes - i } as usize;
let last = i + len == sent_bytes;
pub struct AnalyzerSliceMeta {
pub len: u16,
pub last: bool
}
impl Analyzer {
pub fn new() -> Analyzer {
// create and arm new Analyzer
arm();
Analyzer {
sent_bytes: 0,
data_iter: 0
}
}
pub fn get_header(&mut self) -> Header {
disarm();
let overflow = unsafe { csr::rtio_analyzer::message_encoder_overflow_read() != 0 };
let total_byte_count = unsafe { csr::rtio_analyzer::dma_byte_count_read() };
let wraparound = total_byte_count >= BUFFER_SIZE as u64;
self.sent_bytes = if wraparound { BUFFER_SIZE } else { total_byte_count as usize };
self.data_iter = if wraparound { (total_byte_count % BUFFER_SIZE as u64) as usize } else { 0 };
Header {
total_byte_count: total_byte_count,
sent_bytes: self.sent_bytes as u32,
overflow: overflow
}
}
pub fn get_data(&mut self, data_slice: &mut [u8; ANALYZER_MAX_SIZE]) -> AnalyzerSliceMeta {
let data = unsafe { &BUFFER.data[..] };
let i = self.data_iter;
let len = if i + ANALYZER_MAX_SIZE < self.sent_bytes { ANALYZER_MAX_SIZE } else { self.sent_bytes - i };
let last = i + len == self.sent_bytes;
if i + len >= BUFFER_SIZE {
data_slice[..len].clone_from_slice(&data[i..BUFFER_SIZE]);
data_slice[..len].clone_from_slice(&data[..(i+len) % BUFFER_SIZE]);
} else {
data_slice[..len].clone_from_slice(&data[i..i+len]);
}
i += len;
drtioaux::send(0, &drtioaux::Packet::AnalyzerData {
last: last,
length: len as u16,
data: data_slice,
})?;
}
self.data_iter += len;
Ok(())
if last {
arm();
}
AnalyzerSliceMeta {
len: len as u16,
last: last
}
}
}
// pub fn send() -> Result<(), drtioaux::Error<!>> {
// let data = unsafe { &BUFFER.data[..] };
// let overflow_occurred = unsafe { csr::rtio_analyzer::message_encoder_overflow_read() != 0 };
// let total_byte_count = unsafe { csr::rtio_analyzer::dma_byte_count_read() };
// let pointer = (total_byte_count % BUFFER_SIZE as u64) as usize;
// let wraparound = total_byte_count >= BUFFER_SIZE as u64;
// let sent_bytes = if wraparound { BUFFER_SIZE } else { total_byte_count as usize };
// drtioaux::send(0, &drtioaux::Packet::AnalyzerHeader {
// total_byte_count: total_byte_count,
// sent_bytes: sent_bytes as u32,
// overflow_occurred: overflow_occurred,
// })?;
// info!("header sent, total bytes: {}; sent: {}, overflow: {}", total_byte_count, sent_bytes, overflow_occurred);
// let mut i = if wraparound { pointer } else { 0 };
// while i < sent_bytes {
// let mut data_slice: [u8; ANALYZER_MAX_SIZE] = [0; ANALYZER_MAX_SIZE];
// let len: usize = if i + ANALYZER_MAX_SIZE < sent_bytes { ANALYZER_MAX_SIZE } else { sent_bytes - i } as usize;
// let last = i + len == sent_bytes;
// if i + len >= BUFFER_SIZE {
// data_slice[..len].clone_from_slice(&data[i..BUFFER_SIZE]);
// data_slice[..len].clone_from_slice(&data[..(i+len) % BUFFER_SIZE]);
// } else {
// data_slice[..len].clone_from_slice(&data[i..i+len]);
// }
// i += len;
// drtioaux::send(0, &drtioaux::Packet::AnalyzerData {
// last: last,
// length: len as u16,
// data: data_slice,
// })?;
// //info!("sent data, last: {}, length: {}", last, len);
// }
// Ok(())
// }

36
artiq/firmware/satman/main.rs
View File

@ -16,8 +16,10 @@ use board_misoc::{csr, ident, clock, uart_logger, i2c, pmp};
use board_artiq::si5324;
use board_artiq::{spi, drtioaux};
use board_artiq::drtio_routing;
use proto_artiq::drtioaux_proto::ANALYZER_MAX_SIZE;
use riscv::register::{mcause, mepc, mtval};
use dma::Manager as DmaManager;
use analyzer::Analyzer;
#[global_allocator]
static mut ALLOC: alloc_list::ListAlloc = alloc_list::EMPTY;
@ -75,7 +77,7 @@ macro_rules! forward {
($routing_table:expr, $destination:expr, $rank:expr, $repeaters:expr, $packet:expr) => {}
}
fn process_aux_packet(_manager: &mut DmaManager, _repeaters: &mut [repeater::Repeater],
fn process_aux_packet(_manager: &mut DmaManager, analyzer: &mut Analyzer, _repeaters: &mut [repeater::Repeater],
_routing_table: &mut drtio_routing::RoutingTable, _rank: &mut u8,
packet: drtioaux::Packet) -> Result<(), drtioaux::Error<!>> {
// In the code below, *_chan_sel_write takes an u8 if there are fewer than 256 channels,
@ -303,12 +305,25 @@ fn process_aux_packet(_manager: &mut DmaManager, _repeaters: &mut [repeater::Rep
}
}
drtioaux::Packet::AnalyzerRequest { destination: _destination } => {
drtioaux::Packet::AnalyzerHeaderRequest { destination: _destination } => {
forward!(_routing_table, _destination, *_rank, _repeaters, &packet);
analyzer::disarm();
let res = analyzer::send();
analyzer::arm();
res
let header = analyzer.get_header();
drtioaux::send(0, &drtioaux::Packet::AnalyzerHeader {
total_byte_count: header.total_byte_count,
sent_bytes: header.sent_bytes,
overflow_occurred: header.overflow,
})
}
drtioaux::Packet::AnalyzerDataRequest { destination: _destination } => {
forward!(_routing_table, _destination, *_rank, _repeaters, &packet);
let mut data_slice: [u8; ANALYZER_MAX_SIZE] = [0; ANALYZER_MAX_SIZE];
let meta = analyzer.get_data(&mut data_slice);
drtioaux::send(0, &drtioaux::Packet::AnalyzerData {
last: meta.last,
length: meta.len,
data: data_slice,
})
}
#[cfg(has_rtio_dma)]
@ -340,12 +355,13 @@ fn process_aux_packet(_manager: &mut DmaManager, _repeaters: &mut [repeater::Rep
}
}
fn process_aux_packets(dma_manager: &mut DmaManager, repeaters: &mut [repeater::Repeater],
fn process_aux_packets(dma_manager: &mut DmaManager, analyzer: &mut Analyzer,
repeaters: &mut [repeater::Repeater],
routing_table: &mut drtio_routing::RoutingTable, rank: &mut u8) {
let result =
drtioaux::recv(0).and_then(|packet| {
if let Some(packet) = packet {
process_aux_packet(dma_manager, repeaters, routing_table, rank, packet)
process_aux_packet(dma_manager, analyzer, repeaters, routing_table, rank, packet)
} else {
Ok(())
}
@ -558,7 +574,7 @@ pub extern fn main() -> i32 {
let mut dma_manager = DmaManager::new();
// Reset the analyzer as well.
analyzer::arm();
let mut analyzer = Analyzer::new();
drtioaux::reset(0);
drtiosat_reset(false);
@ -566,7 +582,7 @@ pub extern fn main() -> i32 {
while drtiosat_link_rx_up() {
drtiosat_process_errors();
process_aux_packets(&mut dma_manager, &mut repeaters, &mut routing_table, &mut rank);
process_aux_packets(&mut dma_manager, &mut analyzer, &mut repeaters, &mut routing_table, &mut rank);
for rep in repeaters.iter_mut() {
rep.service(&routing_table, rank);
}