forked from M-Labs/artiq
runtime: new moninj protocol, TCP-based, with DRTIO support
This commit is contained in:
parent
1486a945d9
commit
5a16660aa2
@ -42,7 +42,7 @@ mod cache;
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mod proto;
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mod kernel_proto;
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mod session_proto;
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#[cfg(has_rtio_moninj)]
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#[cfg(any(has_rtio_moninj, has_drtio))]
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mod moninj_proto;
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#[cfg(has_rtio_analyzer)]
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mod analyzer_proto;
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@ -50,7 +50,7 @@ mod rpc_proto;
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mod kernel;
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mod session;
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#[cfg(has_rtio_moninj)]
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#[cfg(any(has_rtio_moninj, has_drtio))]
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mod moninj;
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#[cfg(has_rtio_analyzer)]
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mod analyzer;
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@ -121,7 +121,7 @@ fn startup() {
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let io = scheduler.io();
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rtio_mgt::startup(&io);
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io.spawn(16384, session::thread);
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#[cfg(has_rtio_moninj)]
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#[cfg(any(has_rtio_moninj, has_drtio))]
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io.spawn(4096, moninj::thread);
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#[cfg(has_rtio_analyzer)]
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io.spawn(4096, analyzer::thread);
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@ -1,126 +1,241 @@
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use std::io;
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use board::csr;
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use sched::{Io, UdpSocket};
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use std::io::{self, Read};
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use std::btree_map::BTreeMap;
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use sched::Io;
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use sched::{TcpListener, TcpStream};
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use board::{clock, csr};
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#[cfg(has_drtio)]
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use drtioaux;
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#[cfg(has_drtio)]
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use rtio_mgt;
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use moninj_proto::*;
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const MONINJ_TTL_OVERRIDE_ENABLE: u8 = 0;
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const MONINJ_TTL_OVERRIDE_O: u8 = 1;
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const MONINJ_TTL_OVERRIDE_OE: u8 = 2;
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fn worker(socket: &mut UdpSocket) -> io::Result<()> {
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let mut buf = vec![0; 512];
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loop {
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let (size, addr) = socket.recv_from(&mut buf)?;
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let request = Request::read_from(&mut io::Cursor::new(&buf[..size]))?;
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trace!("{} -> {:?}", addr, request);
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fn check_magic(stream: &mut TcpStream) -> io::Result<()> {
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const MAGIC: &'static [u8] = b"ARTIQ moninj\n";
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match request {
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Request::Monitor => {
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#[cfg(has_dds)]
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let mut dds_ftws = [0u32; (csr::CONFIG_RTIO_DDS_COUNT as usize *
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csr::CONFIG_DDS_CHANNELS_PER_BUS as usize)];
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let mut reply = Reply::default();
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let mut magic: [u8; 13] = [0; 13];
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stream.read_exact(&mut magic)?;
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if magic != MAGIC {
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Err(io::Error::new(io::ErrorKind::InvalidData, "unrecognized magic"))
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} else {
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Ok(())
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}
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}
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for i in 0..csr::CONFIG_RTIO_REGULAR_TTL_COUNT as u8 {
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#[cfg(has_rtio_moninj)]
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fn read_probe_local(channel: u16, probe: u8) -> u32 {
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unsafe {
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csr::rtio_moninj::mon_chan_sel_write(i);
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csr::rtio_moninj::mon_probe_sel_write(0);
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csr::rtio_moninj::mon_chan_sel_write(channel as _);
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csr::rtio_moninj::mon_probe_sel_write(probe);
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csr::rtio_moninj::mon_value_update_write(1);
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if csr::rtio_moninj::mon_value_read() != 0 {
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reply.ttl_levels |= 1 << i;
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}
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csr::rtio_moninj::mon_probe_sel_write(1);
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csr::rtio_moninj::mon_value_update_write(1);
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if csr::rtio_moninj::mon_value_read() != 0 {
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reply.ttl_oes |= 1 << i;
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}
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csr::rtio_moninj::inj_chan_sel_write(i);
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csr::rtio_moninj::inj_override_sel_write(MONINJ_TTL_OVERRIDE_ENABLE);
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if csr::rtio_moninj::inj_value_read() != 0 {
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reply.ttl_overrides |= 1 << i;
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}
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}
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csr::rtio_moninj::mon_value_read() as u32
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}
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}
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#[cfg(has_dds)]
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#[cfg(has_drtio)]
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fn read_probe_drtio(io: &Io, channel: u16, probe: u8) -> u32 {
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if rtio_mgt::drtio::link_is_running() {
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let request = drtioaux::Packet::MonitorRequest { channel: channel, probe: probe };
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drtioaux::hw::send(&request).unwrap();
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let timeout = clock::get_ms() + 20;
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while clock::get_ms() < timeout {
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if !rtio_mgt::drtio::link_is_running() {
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return 0
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}
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match drtioaux::hw::recv() {
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Ok(None) => (),
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Ok(Some(drtioaux::Packet::MonitorReply { value })) => return value,
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Ok(Some(_)) => warn!("received unexpected aux packet"),
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Err(e) => warn!("aux packet error ({})", e)
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}
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io.relinquish().unwrap();
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}
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warn!("aux packet timeout");
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0
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} else {
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0
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}
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}
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fn read_probe(_io: &Io, channel: u32, probe: u8) -> u32 {
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#[cfg(has_rtio_moninj)]
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{
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reply.dds_rtio_first_channel = csr::CONFIG_RTIO_FIRST_DDS_CHANNEL as u16;
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reply.dds_channels_per_bus = csr::CONFIG_DDS_CHANNELS_PER_BUS as u16;
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if channel & 0xff0000 == 0 {
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return read_probe_local(channel as u16, probe)
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}
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}
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#[cfg(has_drtio)]
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{
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if channel & 0xff0000 != 0 {
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return read_probe_drtio(_io, channel as u16, probe)
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}
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}
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error!("read_probe: unrecognized channel number {}", channel);
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0
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}
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for j in 0..csr::CONFIG_RTIO_DDS_COUNT {
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#[cfg(has_rtio_moninj)]
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fn inject_local(channel: u16, overrd: u8, value: u8) {
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unsafe {
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csr::rtio_moninj::mon_chan_sel_write(
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(csr::CONFIG_RTIO_FIRST_DDS_CHANNEL + j) as u8);
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for i in 0..csr::CONFIG_DDS_CHANNELS_PER_BUS {
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csr::rtio_moninj::mon_probe_sel_write(i as u8);
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csr::rtio_moninj::mon_value_update_write(1);
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dds_ftws[(csr::CONFIG_DDS_CHANNELS_PER_BUS * j + i) as usize] =
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csr::rtio_moninj::mon_value_read() as u32;
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}
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}
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}
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reply.dds_ftws = &dds_ftws;
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csr::rtio_moninj::inj_chan_sel_write(channel as _);
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csr::rtio_moninj::inj_override_sel_write(overrd);
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csr::rtio_moninj::inj_value_write(value);
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}
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}
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trace!("{} <- {:?}", addr, reply);
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buf.clear();
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reply.write_to(&mut buf)?;
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socket.send_to(&buf, addr)?;
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},
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#[cfg(has_drtio)]
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fn inject_drtio(channel: u16, overrd: u8, value: u8) {
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if rtio_mgt::drtio::link_is_running() {
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let request = drtioaux::Packet::InjectionRequest {
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channel: channel,
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overrd: overrd,
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value: value
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};
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drtioaux::hw::send(&request).unwrap();
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}
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}
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Request::TtlSet { channel, mode: TtlMode::Experiment } => {
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fn inject(channel: u32, overrd: u8, value: u8) {
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#[cfg(has_rtio_moninj)]
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{
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if channel & 0xff0000 == 0 {
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inject_local(channel as u16, overrd, value);
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return
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}
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}
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#[cfg(has_drtio)]
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{
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if channel & 0xff0000 != 0 {
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inject_drtio(channel as u16, overrd, value);
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return
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}
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}
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error!("inject: unrecognized channel number {}", channel);
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}
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#[cfg(has_rtio_moninj)]
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fn read_injection_status_local(channel: u16, overrd: u8) -> u8 {
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unsafe {
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csr::rtio_moninj::inj_chan_sel_write(channel);
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csr::rtio_moninj::inj_override_sel_write(MONINJ_TTL_OVERRIDE_ENABLE);
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csr::rtio_moninj::inj_value_write(0);
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csr::rtio_moninj::inj_chan_sel_write(channel as _);
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csr::rtio_moninj::inj_override_sel_write(overrd);
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csr::rtio_moninj::inj_value_read()
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}
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}
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#[cfg(has_drtio)]
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fn read_injection_status_drtio(io: &Io, channel: u16, overrd: u8) -> u8 {
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if rtio_mgt::drtio::link_is_running() {
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let request = drtioaux::Packet::InjectionStatusRequest {
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channel: channel,
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overrd: overrd
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};
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drtioaux::hw::send(&request).unwrap();
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let timeout = clock::get_ms() + 20;
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while clock::get_ms() < timeout {
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if !rtio_mgt::drtio::link_is_running() {
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return 0
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}
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match drtioaux::hw::recv() {
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Ok(None) => (),
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Ok(Some(drtioaux::Packet::InjectionStatusReply { value })) => return value,
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Ok(Some(_)) => warn!("received unexpected aux packet"),
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Err(e) => warn!("aux packet error ({})", e)
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}
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io.relinquish().unwrap();
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}
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warn!("aux packet timeout");
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0
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} else {
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0
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}
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}
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fn read_injection_status(_io: &Io, channel: u32, probe: u8) -> u8 {
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#[cfg(has_rtio_moninj)]
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{
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if channel & 0xff0000 == 0 {
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return read_injection_status_local(channel as u16, probe)
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}
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}
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#[cfg(has_drtio)]
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{
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if channel & 0xff0000 != 0 {
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return read_injection_status_drtio(_io, channel as u16, probe)
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}
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}
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error!("read_injection_status: unrecognized channel number {}", channel);
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0
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}
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fn connection_worker(io: &Io, mut stream: &mut TcpStream) -> io::Result<()> {
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let mut watch_list = BTreeMap::new();
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let mut next_check = 0;
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check_magic(&mut stream)?;
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info!("new connection from {}", stream.remote_endpoint());
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loop {
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if stream.can_recv() {
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let request = HostMessage::read_from(stream)?;
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match request {
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HostMessage::Monitor { enable, channel, probe } => {
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if enable {
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let _ = watch_list.entry((channel, probe)).or_insert(None);
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} else {
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let _ = watch_list.remove(&(channel, probe));
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}
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},
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HostMessage::Inject { channel, overrd, value } => inject(channel, overrd, value),
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HostMessage::GetInjectionStatus { channel, overrd } => {
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let value = read_injection_status(io, channel, overrd);
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let reply = DeviceMessage::InjectionStatus {
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channel: channel,
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overrd: overrd,
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value: value
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};
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reply.write_to(stream)?;
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}
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}
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} else if !stream.may_recv() {
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return Ok(())
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}
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Request::TtlSet { channel, mode: TtlMode::High } => {
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unsafe {
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csr::rtio_moninj::inj_chan_sel_write(channel);
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csr::rtio_moninj::inj_override_sel_write(MONINJ_TTL_OVERRIDE_O);
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csr::rtio_moninj::inj_value_write(1);
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csr::rtio_moninj::inj_override_sel_write(MONINJ_TTL_OVERRIDE_OE);
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csr::rtio_moninj::inj_value_write(1);
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csr::rtio_moninj::inj_override_sel_write(MONINJ_TTL_OVERRIDE_ENABLE);
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csr::rtio_moninj::inj_value_write(1);
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if clock::get_ms() > next_check {
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for (&(channel, probe), previous) in watch_list.iter_mut() {
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let current = read_probe(io, channel, probe);
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if previous.is_none() || (previous.unwrap() != current) {
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let message = DeviceMessage::MonitorStatus {
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channel: channel,
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probe: probe,
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value: current
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};
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message.write_to(stream)?;
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*previous = Some(current);
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}
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}
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next_check = clock::get_ms() + 200;
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}
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},
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Request::TtlSet { channel, mode: TtlMode::Low } => {
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unsafe {
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csr::rtio_moninj::inj_chan_sel_write(channel);
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csr::rtio_moninj::inj_override_sel_write(MONINJ_TTL_OVERRIDE_O);
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csr::rtio_moninj::inj_value_write(0);
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csr::rtio_moninj::inj_override_sel_write(MONINJ_TTL_OVERRIDE_OE);
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csr::rtio_moninj::inj_value_write(1);
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csr::rtio_moninj::inj_override_sel_write(MONINJ_TTL_OVERRIDE_ENABLE);
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csr::rtio_moninj::inj_value_write(1);
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}
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},
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Request::TtlSet { channel, mode: TtlMode::Input } => {
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unsafe {
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csr::rtio_moninj::inj_chan_sel_write(channel);
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csr::rtio_moninj::inj_override_sel_write(MONINJ_TTL_OVERRIDE_OE);
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csr::rtio_moninj::inj_value_write(0);
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csr::rtio_moninj::inj_override_sel_write(MONINJ_TTL_OVERRIDE_ENABLE);
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csr::rtio_moninj::inj_value_write(1);
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}
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}
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}
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io.relinquish().unwrap();
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}
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}
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pub fn thread(io: Io) {
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let mut socket = UdpSocket::new(&io, 1, 512);
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socket.bind(3250);
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let listener = TcpListener::new(&io, 65535);
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listener.listen(1383).expect("moninj: cannot listen");
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loop {
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match worker(&mut socket) {
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Ok(()) => unreachable!(),
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let stream = listener.accept().expect("moninj: cannot accept").into_handle();
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io.spawn(16384, move |io| {
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let mut stream = TcpStream::from_handle(&io, stream);
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match connection_worker(&io, &mut stream) {
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Ok(()) => {},
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Err(err) => error!("moninj aborted: {}", err)
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}
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});
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}
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}
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@ -2,63 +2,55 @@ use std::io::{self, Read, Write};
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use proto::*;
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#[derive(Debug)]
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pub enum TtlMode {
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Experiment,
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High,
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Low,
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Input
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}
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impl TtlMode {
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pub fn read_from(reader: &mut Read) -> io::Result<TtlMode> {
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Ok(match read_u8(reader)? {
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0 => TtlMode::Experiment,
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1 => TtlMode::High,
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2 => TtlMode::Low,
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3 => TtlMode::Input,
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_ => return Err(io::Error::new(io::ErrorKind::InvalidData, "unknown TTL mode"))
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})
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}
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pub enum HostMessage {
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Monitor { enable: bool, channel: u32, probe: u8 },
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Inject { channel: u32, overrd: u8, value: u8 },
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GetInjectionStatus { channel: u32, overrd: u8 }
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}
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#[derive(Debug)]
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pub enum Request {
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Monitor,
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TtlSet { channel: u8, mode: TtlMode }
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pub enum DeviceMessage {
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MonitorStatus { channel: u32, probe: u8, value: u32 },
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InjectionStatus { channel: u32, overrd: u8, value: u8 }
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}
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impl Request {
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pub fn read_from(reader: &mut Read) -> io::Result<Request> {
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impl HostMessage {
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pub fn read_from(reader: &mut Read) -> io::Result<HostMessage> {
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Ok(match read_u8(reader)? {
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1 => Request::Monitor,
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2 => Request::TtlSet {
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channel: read_u8(reader)?,
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mode: TtlMode::read_from(reader)?
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0 => HostMessage::Monitor {
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enable: if read_u8(reader)? == 0 { false } else { true },
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channel: read_u32(reader)?,
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probe: read_u8(reader)?
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},
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_ => return Err(io::Error::new(io::ErrorKind::InvalidData, "unknown request type"))
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1 => HostMessage::Inject {
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channel: read_u32(reader)?,
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overrd: read_u8(reader)?,
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value: read_u8(reader)?
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},
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2 => HostMessage::GetInjectionStatus {
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channel: read_u32(reader)?,
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overrd: read_u8(reader)?
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},
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_ => return Err(io::Error::new(io::ErrorKind::InvalidData, "unknown packet type"))
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})
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}
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}
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#[derive(Debug, Default)]
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pub struct Reply<'a> {
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pub ttl_levels: u64,
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pub ttl_oes: u64,
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pub ttl_overrides: u64,
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pub dds_rtio_first_channel: u16,
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pub dds_channels_per_bus: u16,
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pub dds_ftws: &'a [u32]
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}
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|
||||
impl<'a> Reply<'a> {
|
||||
impl DeviceMessage {
|
||||
pub fn write_to(&self, writer: &mut Write) -> io::Result<()> {
|
||||
write_u64(writer, self.ttl_levels)?;
|
||||
write_u64(writer, self.ttl_oes)?;
|
||||
write_u64(writer, self.ttl_overrides)?;
|
||||
write_u16(writer, self.dds_rtio_first_channel)?;
|
||||
write_u16(writer, self.dds_channels_per_bus)?;
|
||||
for dds_ftw in self.dds_ftws {
|
||||
write_u32(writer, *dds_ftw)?;
|
||||
match *self {
|
||||
DeviceMessage::MonitorStatus { channel, probe, value } => {
|
||||
write_u8(writer, 0)?;
|
||||
write_u32(writer, channel)?;
|
||||
write_u8(writer, probe)?;
|
||||
write_u32(writer, value)?;
|
||||
},
|
||||
DeviceMessage::InjectionStatus { channel, overrd, value } => {
|
||||
write_u8(writer, 1)?;
|
||||
write_u32(writer, channel)?;
|
||||
write_u8(writer, overrd)?;
|
||||
write_u8(writer, value)?;
|
||||
}
|
||||
}
|
||||
Ok(())
|
||||
}
|
||||
|
||||
@ -37,7 +37,7 @@ pub mod crg {
|
||||
}
|
||||
|
||||
#[cfg(has_drtio)]
|
||||
mod drtio {
|
||||
pub mod drtio {
|
||||
use super::*;
|
||||
use drtioaux;
|
||||
|
||||
@ -54,7 +54,7 @@ mod drtio {
|
||||
}
|
||||
}
|
||||
|
||||
fn link_is_running() -> bool {
|
||||
pub fn link_is_running() -> bool {
|
||||
unsafe {
|
||||
LINK_RUNNING
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user