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firmware: add support for moninj and kern_hwreq over DRTIO switching

This commit is contained in:
Sebastien Bourdeauducq 2018-09-14 20:26:39 +08:00
parent 1ef39a98a7
commit ae72e3a51e
7 changed files with 332 additions and 382 deletions
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29
artiq/firmware/libboard_artiq/drtioaux.rs
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@ -10,9 +10,6 @@ pub use proto_artiq::drtioaux_proto::Packet;
// this is parametric over T because there's no impl Fail for !. // this is parametric over T because there's no impl Fail for !.
#[derive(Fail, Debug)] #[derive(Fail, Debug)]
pub enum Error<T> { pub enum Error<T> {
#[fail(display = "invalid node number")]
NoRoute,
#[fail(display = "gateware reported error")] #[fail(display = "gateware reported error")]
GatewareError, GatewareError,
#[fail(display = "packet CRC failed")] #[fail(display = "packet CRC failed")]
@ -25,6 +22,9 @@ pub enum Error<T> {
#[fail(display = "unexpected reply")] #[fail(display = "unexpected reply")]
UnexpectedReply, UnexpectedReply,
#[fail(display = "routing error")]
RoutingError,
#[fail(display = "protocol error: {}", _0)] #[fail(display = "protocol error: {}", _0)]
Protocol(#[cause] ProtocolError<T>) Protocol(#[cause] ProtocolError<T>)
} }
@ -150,26 +150,3 @@ pub fn send_link(linkno: u8, packet: &Packet) -> Result<(), Error<!>> {
Ok(writer.position()) Ok(writer.position())
}) })
} }
// TODO: routing
fn get_linkno(nodeno: u8) -> Result<u8, Error<!>> {
if nodeno == 0 || nodeno as usize > DRTIOAUX.len() {
return Err(Error::NoRoute)
}
Ok(nodeno - 1)
}
pub fn recv(nodeno: u8) -> Result<Option<Packet>, Error<!>> {
let linkno = get_linkno(nodeno)?;
recv_link(linkno)
}
pub fn recv_timeout(nodeno: u8, timeout_ms: Option<u64>) -> Result<Packet, Error<!>> {
let linkno = get_linkno(nodeno)?;
recv_timeout_link(linkno, timeout_ms)
}
pub fn send(nodeno: u8, packet: &Packet) -> Result<(), Error<!>> {
let linkno = get_linkno(nodeno)?;
send_link(linkno, packet)
}

66
artiq/firmware/libproto_artiq/drtioaux_proto.rs
View File

@ -33,24 +33,24 @@ pub enum Packet {
RoutingSetRank { rank: u8 }, RoutingSetRank { rank: u8 },
RoutingAck, RoutingAck,
MonitorRequest { channel: u16, probe: u8 }, MonitorRequest { destination: u8, channel: u16, probe: u8 },
MonitorReply { value: u32 }, MonitorReply { value: u32 },
InjectionRequest { channel: u16, overrd: u8, value: u8 }, InjectionRequest { destination: u8, channel: u16, overrd: u8, value: u8 },
InjectionStatusRequest { channel: u16, overrd: u8 }, InjectionStatusRequest { destination: u8, channel: u16, overrd: u8 },
InjectionStatusReply { value: u8 }, InjectionStatusReply { value: u8 },
I2cStartRequest { busno: u8 }, I2cStartRequest { destination: u8, busno: u8 },
I2cRestartRequest { busno: u8 }, I2cRestartRequest { destination: u8, busno: u8 },
I2cStopRequest { busno: u8 }, I2cStopRequest { destination: u8, busno: u8 },
I2cWriteRequest { busno: u8, data: u8 }, I2cWriteRequest { destination: u8, busno: u8, data: u8 },
I2cWriteReply { succeeded: bool, ack: bool }, I2cWriteReply { succeeded: bool, ack: bool },
I2cReadRequest { busno: u8, ack: bool }, I2cReadRequest { destination: u8, busno: u8, ack: bool },
I2cReadReply { succeeded: bool, data: u8 }, I2cReadReply { succeeded: bool, data: u8 },
I2cBasicReply { succeeded: bool }, I2cBasicReply { succeeded: bool },
SpiSetConfigRequest { busno: u8, flags: u8, length: u8, div: u8, cs: u8 }, SpiSetConfigRequest { destination: u8, busno: u8, flags: u8, length: u8, div: u8, cs: u8 },
SpiWriteRequest { busno: u8, data: u32 }, SpiWriteRequest { destination: u8, busno: u8, data: u32 },
SpiReadRequest { busno: u8 }, SpiReadRequest { destination: u8, busno: u8 },
SpiReadReply { succeeded: bool, data: u32 }, SpiReadReply { succeeded: bool, data: u32 },
SpiBasicReply { succeeded: bool }, SpiBasicReply { succeeded: bool },
} }
@ -98,6 +98,7 @@ impl Packet {
0x32 => Packet::RoutingAck, 0x32 => Packet::RoutingAck,
0x40 => Packet::MonitorRequest { 0x40 => Packet::MonitorRequest {
destination: reader.read_u8()?,
channel: reader.read_u16()?, channel: reader.read_u16()?,
probe: reader.read_u8()? probe: reader.read_u8()?
}, },
@ -105,11 +106,13 @@ impl Packet {
value: reader.read_u32()? value: reader.read_u32()?
}, },
0x50 => Packet::InjectionRequest { 0x50 => Packet::InjectionRequest {
destination: reader.read_u8()?,
channel: reader.read_u16()?, channel: reader.read_u16()?,
overrd: reader.read_u8()?, overrd: reader.read_u8()?,
value: reader.read_u8()? value: reader.read_u8()?
}, },
0x51 => Packet::InjectionStatusRequest { 0x51 => Packet::InjectionStatusRequest {
destination: reader.read_u8()?,
channel: reader.read_u16()?, channel: reader.read_u16()?,
overrd: reader.read_u8()? overrd: reader.read_u8()?
}, },
@ -118,15 +121,19 @@ impl Packet {
}, },
0x80 => Packet::I2cStartRequest { 0x80 => Packet::I2cStartRequest {
destination: reader.read_u8()?,
busno: reader.read_u8()? busno: reader.read_u8()?
}, },
0x81 => Packet::I2cRestartRequest { 0x81 => Packet::I2cRestartRequest {
destination: reader.read_u8()?,
busno: reader.read_u8()? busno: reader.read_u8()?
}, },
0x82 => Packet::I2cStopRequest { 0x82 => Packet::I2cStopRequest {
destination: reader.read_u8()?,
busno: reader.read_u8()? busno: reader.read_u8()?
}, },
0x83 => Packet::I2cWriteRequest { 0x83 => Packet::I2cWriteRequest {
destination: reader.read_u8()?,
busno: reader.read_u8()?, busno: reader.read_u8()?,
data: reader.read_u8()? data: reader.read_u8()?
}, },
@ -135,6 +142,7 @@ impl Packet {
ack: reader.read_bool()? ack: reader.read_bool()?
}, },
0x85 => Packet::I2cReadRequest { 0x85 => Packet::I2cReadRequest {
destination: reader.read_u8()?,
busno: reader.read_u8()?, busno: reader.read_u8()?,
ack: reader.read_bool()? ack: reader.read_bool()?
}, },
@ -147,6 +155,7 @@ impl Packet {
}, },
0x90 => Packet::SpiSetConfigRequest { 0x90 => Packet::SpiSetConfigRequest {
destination: reader.read_u8()?,
busno: reader.read_u8()?, busno: reader.read_u8()?,
flags: reader.read_u8()?, flags: reader.read_u8()?,
length: reader.read_u8()?, length: reader.read_u8()?,
@ -155,10 +164,12 @@ impl Packet {
}, },
/* 0x91: was Packet::SpiSetXferRequest */ /* 0x91: was Packet::SpiSetXferRequest */
0x92 => Packet::SpiWriteRequest { 0x92 => Packet::SpiWriteRequest {
destination: reader.read_u8()?,
busno: reader.read_u8()?, busno: reader.read_u8()?,
data: reader.read_u32()? data: reader.read_u32()?
}, },
0x93 => Packet::SpiReadRequest { 0x93 => Packet::SpiReadRequest {
destination: reader.read_u8()?,
busno: reader.read_u8()? busno: reader.read_u8()?
}, },
0x94 => Packet::SpiReadReply { 0x94 => Packet::SpiReadReply {
@ -223,8 +234,9 @@ impl Packet {
Packet::RoutingAck => Packet::RoutingAck =>
writer.write_u8(0x32)?, writer.write_u8(0x32)?,
Packet::MonitorRequest { channel, probe } => { Packet::MonitorRequest { destination, channel, probe } => {
writer.write_u8(0x40)?; writer.write_u8(0x40)?;
writer.write_u8(destination)?;
writer.write_u16(channel)?; writer.write_u16(channel)?;
writer.write_u8(probe)?; writer.write_u8(probe)?;
}, },
@ -232,14 +244,16 @@ impl Packet {
writer.write_u8(0x41)?; writer.write_u8(0x41)?;
writer.write_u32(value)?; writer.write_u32(value)?;
}, },
Packet::InjectionRequest { channel, overrd, value } => { Packet::InjectionRequest { destination, channel, overrd, value } => {
writer.write_u8(0x50)?; writer.write_u8(0x50)?;
writer.write_u8(destination)?;
writer.write_u16(channel)?; writer.write_u16(channel)?;
writer.write_u8(overrd)?; writer.write_u8(overrd)?;
writer.write_u8(value)?; writer.write_u8(value)?;
}, },
Packet::InjectionStatusRequest { channel, overrd } => { Packet::InjectionStatusRequest { destination, channel, overrd } => {
writer.write_u8(0x51)?; writer.write_u8(0x51)?;
writer.write_u8(destination)?;
writer.write_u16(channel)?; writer.write_u16(channel)?;
writer.write_u8(overrd)?; writer.write_u8(overrd)?;
}, },
@ -248,20 +262,24 @@ impl Packet {
writer.write_u8(value)?; writer.write_u8(value)?;
}, },
Packet::I2cStartRequest { busno } => { Packet::I2cStartRequest { destination, busno } => {
writer.write_u8(0x80)?; writer.write_u8(0x80)?;
writer.write_u8(destination)?;
writer.write_u8(busno)?; writer.write_u8(busno)?;
}, },
Packet::I2cRestartRequest { busno } => { Packet::I2cRestartRequest { destination, busno } => {
writer.write_u8(0x81)?; writer.write_u8(0x81)?;
writer.write_u8(destination)?;
writer.write_u8(busno)?; writer.write_u8(busno)?;
}, },
Packet::I2cStopRequest { busno } => { Packet::I2cStopRequest { destination, busno } => {
writer.write_u8(0x82)?; writer.write_u8(0x82)?;
writer.write_u8(destination)?;
writer.write_u8(busno)?; writer.write_u8(busno)?;
}, },
Packet::I2cWriteRequest { busno, data } => { Packet::I2cWriteRequest { destination, busno, data } => {
writer.write_u8(0x83)?; writer.write_u8(0x83)?;
writer.write_u8(destination)?;
writer.write_u8(busno)?; writer.write_u8(busno)?;
writer.write_u8(data)?; writer.write_u8(data)?;
}, },
@ -270,8 +288,9 @@ impl Packet {
writer.write_bool(succeeded)?; writer.write_bool(succeeded)?;
writer.write_bool(ack)?; writer.write_bool(ack)?;
}, },
Packet::I2cReadRequest { busno, ack } => { Packet::I2cReadRequest { destination, busno, ack } => {
writer.write_u8(0x85)?; writer.write_u8(0x85)?;
writer.write_u8(destination)?;
writer.write_u8(busno)?; writer.write_u8(busno)?;
writer.write_bool(ack)?; writer.write_bool(ack)?;
}, },
@ -285,21 +304,24 @@ impl Packet {
writer.write_bool(succeeded)?; writer.write_bool(succeeded)?;
}, },
Packet::SpiSetConfigRequest { busno, flags, length, div, cs } => { Packet::SpiSetConfigRequest { destination, busno, flags, length, div, cs } => {
writer.write_u8(0x90)?; writer.write_u8(0x90)?;
writer.write_u8(destination)?;
writer.write_u8(busno)?; writer.write_u8(busno)?;
writer.write_u8(flags)?; writer.write_u8(flags)?;
writer.write_u8(length)?; writer.write_u8(length)?;
writer.write_u8(div)?; writer.write_u8(div)?;
writer.write_u8(cs)?; writer.write_u8(cs)?;
}, },
Packet::SpiWriteRequest { busno, data } => { Packet::SpiWriteRequest { destination, busno, data } => {
writer.write_u8(0x92)?; writer.write_u8(0x92)?;
writer.write_u8(destination)?;
writer.write_u8(busno)?; writer.write_u8(busno)?;
writer.write_u32(data)?; writer.write_u32(data)?;
}, },
Packet::SpiReadRequest { busno } => { Packet::SpiReadRequest { destination, busno } => {
writer.write_u8(0x93)?; writer.write_u8(0x93)?;
writer.write_u8(destination)?;
writer.write_u8(busno)?; writer.write_u8(busno)?;
}, },
Packet::SpiReadReply { succeeded, data } => { Packet::SpiReadReply { succeeded, data } => {

255
artiq/firmware/runtime/kern_hwreq.rs
View File

@ -2,13 +2,16 @@ use kernel_proto as kern;
use sched::{Io, Error as SchedError}; use sched::{Io, Error as SchedError};
use session::{kern_acknowledge, kern_send, Error}; use session::{kern_acknowledge, kern_send, Error};
use rtio_mgt; use rtio_mgt;
use board_artiq::drtio_routing;
use board_artiq::i2c as local_i2c;
use board_artiq::spi as local_spi;
#[cfg(has_drtio)] #[cfg(has_drtio)]
mod drtio_i2c { mod remote_i2c {
use drtioaux; use drtioaux;
fn basic_reply(nodeno: u8) -> Result<(), ()> { fn basic_reply(linkno: u8) -> Result<(), ()> {
match drtioaux::recv_timeout(nodeno, None) { match drtioaux::recv_timeout_link(linkno, None) {
Ok(drtioaux::Packet::I2cBasicReply { succeeded }) => { Ok(drtioaux::Packet::I2cBasicReply { succeeded }) => {
if succeeded { Ok(()) } else { Err(()) } if succeeded { Ok(()) } else { Err(()) }
} }
@ -23,39 +26,49 @@ mod drtio_i2c {
} }
} }
pub fn start(nodeno: u8, busno: u8) -> Result<(), ()> { pub fn start(linkno: u8, destination: u8, busno: u8) -> Result<(), ()> {
let request = drtioaux::Packet::I2cStartRequest { busno: busno }; let request = drtioaux::Packet::I2cStartRequest {
if drtioaux::send(nodeno, &request).is_err() { destination: destination,
busno: busno
};
if drtioaux::send_link(linkno, &request).is_err() {
return Err(()) return Err(())
} }
basic_reply(nodeno) basic_reply(linkno)
} }
pub fn restart(nodeno: u8, busno: u8) -> Result<(), ()> { pub fn restart(linkno: u8, destination: u8, busno: u8) -> Result<(), ()> {
let request = drtioaux::Packet::I2cRestartRequest { busno: busno }; let request = drtioaux::Packet::I2cRestartRequest {
if drtioaux::send(nodeno, &request).is_err() { destination: destination,
busno: busno
};
if drtioaux::send_link(linkno, &request).is_err() {
return Err(()) return Err(())
} }
basic_reply(nodeno) basic_reply(linkno)
} }
pub fn stop(nodeno: u8, busno: u8) -> Result<(), ()> { pub fn stop(linkno: u8, destination: u8, busno: u8) -> Result<(), ()> {
let request = drtioaux::Packet::I2cStopRequest { busno: busno }; let request = drtioaux::Packet::I2cStopRequest {
if drtioaux::send(nodeno, &request).is_err() { destination: destination,
busno: busno
};
if drtioaux::send_link(linkno, &request).is_err() {
return Err(()) return Err(())
} }
basic_reply(nodeno) basic_reply(linkno)
} }
pub fn write(nodeno: u8, busno: u8, data: u8) -> Result<bool, ()> { pub fn write(linkno: u8, destination: u8, busno: u8, data: u8) -> Result<bool, ()> {
let request = drtioaux::Packet::I2cWriteRequest { let request = drtioaux::Packet::I2cWriteRequest {
destination: destination,
busno: busno, busno: busno,
data: data data: data
}; };
if drtioaux::send(nodeno, &request).is_err() { if drtioaux::send_link(linkno, &request).is_err() {
return Err(()) return Err(())
} }
match drtioaux::recv_timeout(nodeno, None) { match drtioaux::recv_timeout_link(linkno, None) {
Ok(drtioaux::Packet::I2cWriteReply { succeeded, ack }) => { Ok(drtioaux::Packet::I2cWriteReply { succeeded, ack }) => {
if succeeded { Ok(ack) } else { Err(()) } if succeeded { Ok(ack) } else { Err(()) }
} }
@ -70,15 +83,16 @@ mod drtio_i2c {
} }
} }
pub fn read(nodeno: u8, busno: u8, ack: bool) -> Result<u8, ()> { pub fn read(linkno: u8, destination: u8, busno: u8, ack: bool) -> Result<u8, ()> {
let request = drtioaux::Packet::I2cReadRequest { let request = drtioaux::Packet::I2cReadRequest {
destination: destination,
busno: busno, busno: busno,
ack: ack ack: ack
}; };
if drtioaux::send(nodeno, &request).is_err() { if drtioaux::send_link(linkno, &request).is_err() {
return Err(()) return Err(())
} }
match drtioaux::recv_timeout(nodeno, None) { match drtioaux::recv_timeout_link(linkno, None) {
Ok(drtioaux::Packet::I2cReadReply { succeeded, data }) => { Ok(drtioaux::Packet::I2cReadReply { succeeded, data }) => {
if succeeded { Ok(data) } else { Err(()) } if succeeded { Ok(data) } else { Err(()) }
} }
@ -94,90 +108,12 @@ mod drtio_i2c {
} }
} }
#[cfg(not(has_drtio))]
mod drtio_i2c {
pub fn start(_nodeno: u8, _busno: u8) -> Result<(), ()> {
Err(())
}
pub fn restart(_nodeno: u8, _busno: u8) -> Result<(), ()> {
Err(())
}
pub fn stop(_nodeno: u8, _busno: u8) -> Result<(), ()> {
Err(())
}
pub fn write(_nodeno: u8, _busno: u8, _data: u8) -> Result<bool, ()> {
Err(())
}
pub fn read(_nodeno: u8, _busno: u8, _ack: bool) -> Result<u8, ()> {
Err(())
}
}
mod i2c {
use board_artiq::i2c as local_i2c;
use super::drtio_i2c;
pub fn start(busno: u32) -> Result<(), ()> {
let nodeno = (busno >> 16) as u8;
let node_busno = busno as u8;
if nodeno == 0 {
local_i2c::start(node_busno)
} else {
drtio_i2c::start(nodeno, node_busno)
}
}
pub fn restart(busno: u32) -> Result<(), ()> {
let nodeno = (busno >> 16) as u8;
let node_busno = busno as u8;
if nodeno == 0 {
local_i2c::restart(node_busno)
} else {
drtio_i2c::restart(nodeno, node_busno)
}
}
pub fn stop(busno: u32) -> Result<(), ()> {
let nodeno = (busno >> 16) as u8;
let node_busno = busno as u8;
if nodeno == 0 {
local_i2c::stop(node_busno)
} else {
drtio_i2c::stop(nodeno, node_busno)
}
}
pub fn write(busno: u32, data: u8) -> Result<bool, ()> {
let nodeno = (busno >> 16 )as u8;
let node_busno = busno as u8;
if nodeno == 0 {
local_i2c::write(node_busno, data)
} else {
drtio_i2c::write(nodeno, node_busno, data)
}
}
pub fn read(busno: u32, ack: bool) -> Result<u8, ()> {
let nodeno = (busno >> 16) as u8;
let node_busno = busno as u8;
if nodeno == 0 {
local_i2c::read(node_busno, ack)
} else {
drtio_i2c::read(nodeno, node_busno, ack)
}
}
}
#[cfg(has_drtio)] #[cfg(has_drtio)]
mod drtio_spi { mod remote_spi {
use drtioaux; use drtioaux;
fn basic_reply(nodeno: u8) -> Result<(), ()> { fn basic_reply(linkno: u8) -> Result<(), ()> {
match drtioaux::recv_timeout(nodeno, None) { match drtioaux::recv_timeout_link(linkno, None) {
Ok(drtioaux::Packet::SpiBasicReply { succeeded }) => { Ok(drtioaux::Packet::SpiBasicReply { succeeded }) => {
if succeeded { Ok(()) } else { Err(()) } if succeeded { Ok(()) } else { Err(()) }
} }
@ -192,37 +128,42 @@ mod drtio_spi {
} }
} }
pub fn set_config(nodeno: u8, busno: u8, flags: u8, length: u8, div: u8, cs: u8) -> Result<(), ()> { pub fn set_config(linkno: u8, destination: u8, busno: u8, flags: u8, length: u8, div: u8, cs: u8) -> Result<(), ()> {
let request = drtioaux::Packet::SpiSetConfigRequest { let request = drtioaux::Packet::SpiSetConfigRequest {
destination: destination,
busno: busno, busno: busno,
flags: flags, flags: flags,
length: length, length: length,
div: div, div: div,
cs: cs cs: cs
}; };
if drtioaux::send(nodeno, &request).is_err() { if drtioaux::send_link(linkno, &request).is_err() {
return Err(()) return Err(())
} }
basic_reply(nodeno) basic_reply(linkno)
} }
pub fn write(nodeno: u8, busno: u8, data: u32) -> Result<(), ()> { pub fn write(linkno: u8, destination: u8, busno: u8, data: u32) -> Result<(), ()> {
let request = drtioaux::Packet::SpiWriteRequest { let request = drtioaux::Packet::SpiWriteRequest {
destination: destination,
busno: busno, busno: busno,
data: data data: data
}; };
if drtioaux::send(nodeno, &request).is_err() { if drtioaux::send_link(linkno, &request).is_err() {
return Err(()) return Err(())
} }
basic_reply(nodeno) basic_reply(linkno)
} }
pub fn read(nodeno: u8, busno: u8) -> Result<u32, ()> { pub fn read(linkno: u8, destination: u8, busno: u8) -> Result<u32, ()> {
let request = drtioaux::Packet::SpiReadRequest { busno: busno }; let request = drtioaux::Packet::SpiReadRequest {
if drtioaux::send(nodeno, &request).is_err() { destination: destination,
busno: busno
};
if drtioaux::send_link(linkno, &request).is_err() {
return Err(()) return Err(())
} }
match drtioaux::recv_timeout(nodeno, None) { match drtioaux::recv_timeout_link(linkno, None) {
Ok(drtioaux::Packet::SpiReadReply { succeeded, data }) => { Ok(drtioaux::Packet::SpiReadReply { succeeded, data }) => {
if succeeded { Ok(data) } else { Err(()) } if succeeded { Ok(data) } else { Err(()) }
} }
@ -238,58 +179,32 @@ mod drtio_spi {
} }
} }
#[cfg(has_drtio)]
macro_rules! dispatch {
($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];
if hop == 0 {
$mod_local::$func(busno, $($param, )*)
} else {
let linkno = hop - 1;
$mod_remote::$func(linkno, destination, busno, $($param, )*)
}
}}
}
#[cfg(not(has_drtio))] #[cfg(not(has_drtio))]
mod drtio_spi { macro_rules! dispatch {
pub fn set_config(_nodeno: u8, _busno: u8, _flags: u8, ($mod_local:ident, $mod_remote:ident, $routing_table:ident, $busno:expr, $func:ident $(, $param:expr)*) => {{
_length: u8, _div: u8, _cs: u8) -> Result<(), ()> { let busno = $busno as u8;
Err(()) $mod_local::$func(busno, $($param, )*)
} }}
pub fn write(_nodeno: u8, _busno: u8, _data: u32) -> Result<(), ()> {
Err(())
}
pub fn read(_nodeno: u8, _busno: u8) -> Result<u32, ()> {
Err(())
}
} }
mod spi { pub fn process_kern_hwreq(io: &Io, _routing_table: &drtio_routing::RoutingTable,
use board_artiq::spi as local_spi; request: &kern::Message) -> Result<bool, Error<SchedError>> {
use super::drtio_spi;
pub fn set_config(busno: u32, flags: u8, length: u8, div: u8, cs: u8) -> Result<(), ()> {
let nodeno = (busno >> 16) as u8;
let node_busno = busno as u8;
if nodeno == 0 {
local_spi::set_config(node_busno, flags, length, div, cs)
} else {
drtio_spi::set_config(nodeno, node_busno, flags, length, div, cs)
}
}
pub fn write(busno: u32, data: u32) -> Result<(), ()> {
let nodeno = (busno >> 16) as u8;
let node_busno = busno as u8;
if nodeno == 0 {
local_spi::write(node_busno, data)
} else {
drtio_spi::write(nodeno, node_busno, data)
}
}
pub fn read(busno: u32) -> Result<u32, ()> {
let nodeno = (busno >> 16) as u8;
let node_busno = busno as u8;
if nodeno == 0 {
local_spi::read(node_busno)
} else {
drtio_spi::read(nodeno, node_busno)
}
}
}
pub fn process_kern_hwreq(io: &Io, request: &kern::Message) -> Result<bool, Error<SchedError>> {
match request { match request {
&kern::RtioInitRequest => { &kern::RtioInitRequest => {
info!("resetting RTIO"); info!("resetting RTIO");
@ -303,40 +218,42 @@ pub fn process_kern_hwreq(io: &Io, request: &kern::Message) -> Result<bool, Erro
} }
&kern::I2cStartRequest { busno } => { &kern::I2cStartRequest { busno } => {
let succeeded = i2c::start(busno).is_ok(); let succeeded = dispatch!(local_i2c, remote_i2c, _routing_table, busno, start).is_ok();
kern_send(io, &kern::I2cBasicReply { succeeded: succeeded }) kern_send(io, &kern::I2cBasicReply { succeeded: succeeded })
} }
&kern::I2cRestartRequest { busno } => { &kern::I2cRestartRequest { busno } => {
let succeeded = i2c::restart(busno).is_ok(); let succeeded = dispatch!(local_i2c, remote_i2c, _routing_table, busno, restart).is_ok();
kern_send(io, &kern::I2cBasicReply { succeeded: succeeded }) kern_send(io, &kern::I2cBasicReply { succeeded: succeeded })
} }
&kern::I2cStopRequest { busno } => { &kern::I2cStopRequest { busno } => {
let succeeded = i2c::stop(busno).is_ok(); let succeeded = dispatch!(local_i2c, remote_i2c, _routing_table, busno, stop).is_ok();
kern_send(io, &kern::I2cBasicReply { succeeded: succeeded }) kern_send(io, &kern::I2cBasicReply { succeeded: succeeded })
} }
&kern::I2cWriteRequest { busno, data } => { &kern::I2cWriteRequest { busno, data } => {
match i2c::write(busno, data) { match dispatch!(local_i2c, remote_i2c, _routing_table, busno, write, data) {
Ok(ack) => kern_send(io, &kern::I2cWriteReply { succeeded: true, ack: ack }), Ok(ack) => kern_send(io, &kern::I2cWriteReply { succeeded: true, ack: ack }),
Err(_) => kern_send(io, &kern::I2cWriteReply { succeeded: false, ack: false }) Err(_) => kern_send(io, &kern::I2cWriteReply { succeeded: false, ack: false })
} }
} }
&kern::I2cReadRequest { busno, ack } => { &kern::I2cReadRequest { busno, ack } => {
match i2c::read(busno, ack) { match dispatch!(local_i2c, remote_i2c, _routing_table, busno, read, ack) {
Ok(data) => kern_send(io, &kern::I2cReadReply { succeeded: true, data: data }), Ok(data) => kern_send(io, &kern::I2cReadReply { succeeded: true, data: data }),
Err(_) => kern_send(io, &kern::I2cReadReply { succeeded: false, data: 0xff }) Err(_) => kern_send(io, &kern::I2cReadReply { succeeded: false, data: 0xff })
} }
} }
&kern::SpiSetConfigRequest { busno, flags, length, div, cs } => { &kern::SpiSetConfigRequest { busno, flags, length, div, cs } => {
let succeeded = spi::set_config(busno, flags, length, div, cs).is_ok(); let succeeded = dispatch!(local_spi, remote_spi, _routing_table, busno,
set_config, flags, length, div, cs).is_ok();
kern_send(io, &kern::SpiBasicReply { succeeded: succeeded }) kern_send(io, &kern::SpiBasicReply { succeeded: succeeded })
}, },
&kern::SpiWriteRequest { busno, data } => { &kern::SpiWriteRequest { busno, data } => {
let succeeded = spi::write(busno, data).is_ok(); let succeeded = dispatch!(local_spi, remote_spi, _routing_table, busno,
write, data).is_ok();
kern_send(io, &kern::SpiBasicReply { succeeded: succeeded }) kern_send(io, &kern::SpiBasicReply { succeeded: succeeded })
} }
&kern::SpiReadRequest { busno } => { &kern::SpiReadRequest { busno } => {
match spi::read(busno) { match dispatch!(local_spi, remote_spi, _routing_table, busno, read) {
Ok(data) => kern_send(io, &kern::SpiReadReply { succeeded: true, data: data }), Ok(data) => kern_send(io, &kern::SpiReadReply { succeeded: true, data: data }),
Err(_) => kern_send(io, &kern::SpiReadReply { succeeded: false, data: 0 }) Err(_) => kern_send(io, &kern::SpiReadReply { succeeded: false, data: 0 })
} }

18
artiq/firmware/runtime/main.rs
View File

@ -282,22 +282,28 @@ fn startup_ethernet() {
.ip_addrs([IpCidr::new(protocol_addr, 0)]) .ip_addrs([IpCidr::new(protocol_addr, 0)])
.finalize(); .finalize();
#[cfg(has_drtio_routing)] #[cfg(has_drtio)]
let drtio_routing_table = urc::Urc::new(RefCell::new( let drtio_routing_table = urc::Urc::new(RefCell::new(
drtio_routing::config_routing_table(csr::DRTIO.len()))); drtio_routing::config_routing_table(csr::DRTIO.len())));
#[cfg(not(has_drtio))]
let drtio_routing_table = urc::Urc::new(RefCell::new(
drtio_routing::RoutingTable::default_empty()));
let mut scheduler = sched::Scheduler::new(); let mut scheduler = sched::Scheduler::new();
let io = scheduler.io(); let io = scheduler.io();
#[cfg(has_drtio_routing)]
rtio_mgt::startup(&io, &drtio_routing_table); rtio_mgt::startup(&io, &drtio_routing_table);
#[cfg(not(has_drtio_routing))]
rtio_mgt::startup(&io, &drtio_routing::RoutingTable::default_empty());
io.spawn(4096, mgmt::thread); io.spawn(4096, mgmt::thread);
io.spawn(16384, session::thread); {
let drtio_routing_table = drtio_routing_table.clone();
io.spawn(16384, move |io| { session::thread(io, &drtio_routing_table) });
}
#[cfg(any(has_rtio_moninj, has_drtio))] #[cfg(any(has_rtio_moninj, has_drtio))]
io.spawn(4096, moninj::thread); {
let drtio_routing_table = drtio_routing_table.clone();
io.spawn(4096, move |io| { moninj::thread(io, &drtio_routing_table) });
}
#[cfg(has_rtio_analyzer)] #[cfg(has_rtio_analyzer)]
io.spawn(4096, analyzer::thread); io.spawn(4096, analyzer::thread);

264
artiq/firmware/runtime/moninj.rs
View File

@ -1,151 +1,137 @@
use alloc::btree_map::BTreeMap; use alloc::btree_map::BTreeMap;
use core::cell::RefCell;
use io::Error as IoError; use io::Error as IoError;
use moninj_proto::*; use moninj_proto::*;
use sched::{Io, TcpListener, TcpStream, Error as SchedError}; use sched::{Io, TcpListener, TcpStream, Error as SchedError};
use board_misoc::{clock, csr}; use urc::Urc;
#[cfg(has_drtio)] use board_misoc::clock;
use drtioaux; use board_artiq::drtio_routing;
#[cfg(has_rtio_moninj)] #[cfg(has_rtio_moninj)]
fn read_probe_local(channel: u16, probe: u8) -> u32 { mod local_moninj {
unsafe { use board_misoc::csr;
csr::rtio_moninj::mon_chan_sel_write(channel as _);
csr::rtio_moninj::mon_probe_sel_write(probe); pub fn read_probe(channel: u16, probe: u8) -> u32 {
csr::rtio_moninj::mon_value_update_write(1); unsafe {
csr::rtio_moninj::mon_value_read() as u32 csr::rtio_moninj::mon_chan_sel_write(channel as _);
csr::rtio_moninj::mon_probe_sel_write(probe);
csr::rtio_moninj::mon_value_update_write(1);
csr::rtio_moninj::mon_value_read() as u32
}
}
pub fn inject(channel: u16, overrd: u8, value: u8) {
unsafe {
csr::rtio_moninj::inj_chan_sel_write(channel as _);
csr::rtio_moninj::inj_override_sel_write(overrd);
csr::rtio_moninj::inj_value_write(value);
}
}
pub fn read_injection_status(channel: u16, overrd: u8) -> u8 {
unsafe {
csr::rtio_moninj::inj_chan_sel_write(channel as _);
csr::rtio_moninj::inj_override_sel_write(overrd);
csr::rtio_moninj::inj_value_read()
}
}
}
#[cfg(not(has_rtio_moninj))]
mod local_moninj {
pub fn read_probe(_channel: u16, _probe: u8) -> u32 { 0 }
pub fn inject(_channel: u16, _overrd: u8, _value: u8) { }
pub fn read_injection_status(_channel: u16, _overrd: u8) -> u8 { 0 }
}
#[cfg(has_drtio)]
mod remote_moninj {
use drtioaux;
pub fn read_probe(linkno: u8, destination: u8, channel: u16, probe: u8) -> u32 {
let request = drtioaux::Packet::MonitorRequest {
destination: destination,
channel: channel,
probe: probe
};
match drtioaux::send_link(linkno, &request) {
Ok(_) => (),
Err(e) => {
error!("aux packet error ({})", e);
return 0;
}
}
match drtioaux::recv_timeout_link(linkno, None) {
Ok(drtioaux::Packet::MonitorReply { value }) => return value,
Ok(_) => error!("received unexpected aux packet"),
Err(e) => error!("aux packet error ({})", e)
}
0
}
pub fn inject(linkno: u8, destination: u8, channel: u16, overrd: u8, value: u8) {
let request = drtioaux::Packet::InjectionRequest {
destination: destination,
channel: channel,
overrd: overrd,
value: value
};
match drtioaux::send_link(linkno, &request) {
Ok(_) => (),
Err(e) => error!("aux packet error ({})", e)
}
}
pub fn read_injection_status(linkno: u8, destination: u8, channel: u16, overrd: u8) -> u8 {
let request = drtioaux::Packet::InjectionStatusRequest {
destination: destination,
channel: channel,
overrd: overrd
};
match drtioaux::send_link(linkno, &request) {
Ok(_) => (),
Err(e) => {
error!("aux packet error ({})", e);
return 0;
}
}
match drtioaux::recv_timeout_link(linkno, None) {
Ok(drtioaux::Packet::InjectionStatusReply { value }) => return value,
Ok(_) => error!("received unexpected aux packet"),
Err(e) => error!("aux packet error ({})", e)
}
0
} }
} }
#[cfg(has_drtio)] #[cfg(has_drtio)]
fn read_probe_drtio(nodeno: u8, channel: u16, probe: u8) -> u32 { macro_rules! dispatch {
let request = drtioaux::Packet::MonitorRequest { channel: channel, probe: probe }; ($routing_table:ident, $channel:expr, $func:ident $(, $param:expr)*) => {{
match drtioaux::send(nodeno, &request) { let destination = ($channel >> 16) as u8;
Ok(_) => (), let channel = $channel as u16;
Err(e) => { let hop = $routing_table.0[destination as usize][0];
error!("aux packet error ({})", e); if hop == 0 {
return 0; local_moninj::$func(channel, $($param, )*)
} else {
let linkno = hop - 1;
remote_moninj::$func(linkno, destination, channel, $($param, )*)
} }
} }}
match drtioaux::recv_timeout(nodeno, None) {
Ok(drtioaux::Packet::MonitorReply { value }) => return value,
Ok(_) => error!("received unexpected aux packet"),
Err(e) => error!("aux packet error ({})", e)
}
0
} }
fn read_probe(channel: u32, probe: u8) -> u32 { #[cfg(not(has_drtio))]
let nodeno = (channel >> 16) as u8; macro_rules! dispatch {
let node_channel = channel as u16; ($routing_table:ident, $channel:expr, $func:ident $(, $param:expr)*) => {{
#[cfg(has_rtio_moninj)] let channel = $channel as u8;
{ local_moninj::$func(channel, $($param, )*)
if nodeno == 0 { }}
return read_probe_local(node_channel, probe)
}
}
#[cfg(has_drtio)]
{
if nodeno != 0 {
return read_probe_drtio(nodeno, node_channel, probe)
}
}
error!("read_probe: unrecognized channel number {}", channel);
0
} }
#[cfg(has_rtio_moninj)] fn connection_worker(io: &Io, _routing_table: &drtio_routing::RoutingTable,
fn inject_local(channel: u16, overrd: u8, value: u8) { mut stream: &mut TcpStream) -> Result<(), Error<SchedError>> {
unsafe {
csr::rtio_moninj::inj_chan_sel_write(channel as _);
csr::rtio_moninj::inj_override_sel_write(overrd);
csr::rtio_moninj::inj_value_write(value);
}
}
#[cfg(has_drtio)]
fn inject_drtio(nodeno: u8, channel: u16, overrd: u8, value: u8) {
let request = drtioaux::Packet::InjectionRequest {
channel: channel,
overrd: overrd,
value: value
};
match drtioaux::send(nodeno, &request) {
Ok(_) => (),
Err(e) => error!("aux packet error ({})", e)
}
}
fn inject(channel: u32, overrd: u8, value: u8) {
let nodeno = (channel >> 16) as u8;
let node_channel = channel as u16;
#[cfg(has_rtio_moninj)]
{
if nodeno == 0 {
inject_local(node_channel, overrd, value);
return
}
}
#[cfg(has_drtio)]
{
if nodeno != 0 {
inject_drtio(nodeno, node_channel, overrd, value);
return
}
}
error!("inject: unrecognized channel number {}", channel);
}
#[cfg(has_rtio_moninj)]
fn read_injection_status_local(channel: u16, overrd: u8) -> u8 {
unsafe {
csr::rtio_moninj::inj_chan_sel_write(channel as _);
csr::rtio_moninj::inj_override_sel_write(overrd);
csr::rtio_moninj::inj_value_read()
}
}
#[cfg(has_drtio)]
fn read_injection_status_drtio(nodeno: u8, channel: u16, overrd: u8) -> u8 {
let request = drtioaux::Packet::InjectionStatusRequest {
channel: channel,
overrd: overrd
};
match drtioaux::send(nodeno, &request) {
Ok(_) => (),
Err(e) => {
error!("aux packet error ({})", e);
return 0;
}
}
match drtioaux::recv_timeout(nodeno, None) {
Ok(drtioaux::Packet::InjectionStatusReply { value }) => return value,
Ok(_) => error!("received unexpected aux packet"),
Err(e) => error!("aux packet error ({})", e)
}
0
}
fn read_injection_status(channel: u32, probe: u8) -> u8 {
let nodeno = (channel >> 16) as u8;
let node_channel = channel as u16;
#[cfg(has_rtio_moninj)]
{
if nodeno == 0 {
return read_injection_status_local(node_channel, probe)
}
}
#[cfg(has_drtio)]
{
if nodeno != 0 {
return read_injection_status_drtio(nodeno, node_channel, probe)
}
}
error!("read_injection_status: unrecognized channel number {}", channel);
0
}
fn connection_worker(io: &Io, mut stream: &mut TcpStream) -> Result<(), Error<SchedError>> {
let mut probe_watch_list = BTreeMap::new(); let mut probe_watch_list = BTreeMap::new();
let mut inject_watch_list = BTreeMap::new(); let mut inject_watch_list = BTreeMap::new();
let mut next_check = 0; let mut next_check = 0;
@ -173,9 +159,9 @@ fn connection_worker(io: &Io, mut stream: &mut TcpStream) -> Result<(), Error<Sc
let _ = inject_watch_list.remove(&(channel, overrd)); let _ = inject_watch_list.remove(&(channel, overrd));
} }
}, },
HostMessage::Inject { channel, overrd, value } => inject(channel, overrd, value), HostMessage::Inject { channel, overrd, value } => dispatch!(_routing_table, channel, inject, overrd, value),
HostMessage::GetInjectionStatus { channel, overrd } => { HostMessage::GetInjectionStatus { channel, overrd } => {
let value = read_injection_status(channel, overrd); let value = dispatch!(_routing_table, channel, read_injection_status, overrd);
let reply = DeviceMessage::InjectionStatus { let reply = DeviceMessage::InjectionStatus {
channel: channel, channel: channel,
overrd: overrd, overrd: overrd,
@ -192,7 +178,7 @@ fn connection_worker(io: &Io, mut stream: &mut TcpStream) -> Result<(), Error<Sc
if clock::get_ms() > next_check { if clock::get_ms() > next_check {
for (&(channel, probe), previous) in probe_watch_list.iter_mut() { for (&(channel, probe), previous) in probe_watch_list.iter_mut() {
let current = read_probe(channel, probe); let current = dispatch!(_routing_table, channel, read_probe, probe);
if previous.is_none() || previous.unwrap() != current { if previous.is_none() || previous.unwrap() != current {
let message = DeviceMessage::MonitorStatus { let message = DeviceMessage::MonitorStatus {
channel: channel, channel: channel,
@ -207,7 +193,7 @@ fn connection_worker(io: &Io, mut stream: &mut TcpStream) -> Result<(), Error<Sc
} }
} }
for (&(channel, overrd), previous) in inject_watch_list.iter_mut() { for (&(channel, overrd), previous) in inject_watch_list.iter_mut() {
let current = read_injection_status(channel, overrd); let current = dispatch!(_routing_table, channel, read_injection_status, overrd);
if previous.is_none() || previous.unwrap() != current { if previous.is_none() || previous.unwrap() != current {
let message = DeviceMessage::InjectionStatus { let message = DeviceMessage::InjectionStatus {
channel: channel, channel: channel,
@ -228,15 +214,17 @@ fn connection_worker(io: &Io, mut stream: &mut TcpStream) -> Result<(), Error<Sc
} }
} }
pub fn thread(io: Io) { pub fn thread(io: Io, routing_table: &Urc<RefCell<drtio_routing::RoutingTable>>) {
let listener = TcpListener::new(&io, 2047); let listener = TcpListener::new(&io, 2047);
listener.listen(1383).expect("moninj: cannot listen"); listener.listen(1383).expect("moninj: cannot listen");
loop { loop {
let routing_table = routing_table.clone();
let stream = listener.accept().expect("moninj: cannot accept").into_handle(); let stream = listener.accept().expect("moninj: cannot accept").into_handle();
io.spawn(16384, move |io| { io.spawn(16384, move |io| {
let routing_table = routing_table.borrow();
let mut stream = TcpStream::from_handle(&io, stream); let mut stream = TcpStream::from_handle(&io, stream);
match connection_worker(&io, &mut stream) { match connection_worker(&io, &routing_table, &mut stream) {
Ok(()) => {}, Ok(()) => {},
Err(err) => error!("moninj aborted: {}", err) Err(err) => error!("moninj aborted: {}", err)
} }

28
artiq/firmware/runtime/session.rs
View File

@ -12,6 +12,7 @@ use rtio_dma::Manager as DmaManager;
use cache::Cache; use cache::Cache;
use kern_hwreq; use kern_hwreq;
use watchdog::WatchdogSet; use watchdog::WatchdogSet;
use board_artiq::drtio_routing;
use rpc_proto as rpc; use rpc_proto as rpc;
use session_proto as host; use session_proto as host;
@ -323,7 +324,8 @@ fn process_host_message(io: &Io,
Ok(()) Ok(())
} }
fn process_kern_message(io: &Io, mut stream: Option<&mut TcpStream>, fn process_kern_message(io: &Io, routing_table: &drtio_routing::RoutingTable,
mut stream: Option<&mut TcpStream>,
session: &mut Session) -> Result<bool, Error<SchedError>> { session: &mut Session) -> Result<bool, Error<SchedError>> {
kern_recv_notrace(io, |request| { kern_recv_notrace(io, |request| {
match (request, session.kernel_state) { match (request, session.kernel_state) {
@ -341,7 +343,7 @@ fn process_kern_message(io: &Io, mut stream: Option<&mut TcpStream>,
kern_recv_dotrace(request); kern_recv_dotrace(request);
if kern_hwreq::process_kern_hwreq(io, request)? { if kern_hwreq::process_kern_hwreq(io, routing_table, request)? {
return Ok(false) return Ok(false)
} }
@ -490,7 +492,7 @@ fn process_kern_queued_rpc(stream: &mut TcpStream,
}) })
} }
fn host_kernel_worker(io: &Io, fn host_kernel_worker(io: &Io, routing_table: &drtio_routing::RoutingTable,
stream: &mut TcpStream, stream: &mut TcpStream,
congress: &mut Congress) -> Result<(), Error<SchedError>> { congress: &mut Congress) -> Result<(), Error<SchedError>> {
let mut session = Session::new(congress); let mut session = Session::new(congress);
@ -507,7 +509,7 @@ fn host_kernel_worker(io: &Io,
} }
if mailbox::receive() != 0 { if mailbox::receive() != 0 {
process_kern_message(io, Some(stream), &mut session)?; process_kern_message(io, routing_table, Some(stream), &mut session)?;
} }
if session.kernel_state == KernelState::Running { if session.kernel_state == KernelState::Running {
@ -526,7 +528,7 @@ fn host_kernel_worker(io: &Io,
} }
} }
fn flash_kernel_worker(io: &Io, fn flash_kernel_worker(io: &Io, routing_table: &drtio_routing::RoutingTable,
congress: &mut Congress, congress: &mut Congress,
config_key: &str) -> Result<(), Error<SchedError>> { config_key: &str) -> Result<(), Error<SchedError>> {
let mut session = Session::new(congress); let mut session = Session::new(congress);
@ -549,7 +551,7 @@ fn flash_kernel_worker(io: &Io,
} }
if mailbox::receive() != 0 { if mailbox::receive() != 0 {
if process_kern_message(io, None, &mut session)? { if process_kern_message(io, routing_table, None, &mut session)? {
return Ok(()) return Ok(())
} }
} }
@ -581,7 +583,7 @@ fn respawn<F>(io: &Io, handle: &mut Option<ThreadHandle>, f: F)
*handle = Some(io.spawn(16384, f)) *handle = Some(io.spawn(16384, f))
} }
pub fn thread(io: Io) { pub fn thread(io: Io, routing_table: &Urc<RefCell<drtio_routing::RoutingTable>>) {
let listener = TcpListener::new(&io, 65535); let listener = TcpListener::new(&io, 65535);
listener.listen(1381).expect("session: cannot listen"); listener.listen(1381).expect("session: cannot listen");
info!("accepting network sessions"); info!("accepting network sessions");
@ -590,11 +592,13 @@ pub fn thread(io: Io) {
let mut kernel_thread = None; let mut kernel_thread = None;
{ {
let routing_table = routing_table.clone();
let congress = congress.clone(); let congress = congress.clone();
respawn(&io, &mut kernel_thread, move |io| { respawn(&io, &mut kernel_thread, move |io| {
let routing_table = routing_table.borrow();
let mut congress = congress.borrow_mut(); let mut congress = congress.borrow_mut();
info!("running startup kernel"); info!("running startup kernel");
match flash_kernel_worker(&io, &mut congress, "startup_kernel") { match flash_kernel_worker(&io, &routing_table, &mut congress, "startup_kernel") {
Ok(()) => Ok(()) =>
info!("startup kernel finished"), info!("startup kernel finished"),
Err(Error::KernelNotFound) => Err(Error::KernelNotFound) =>
@ -623,12 +627,14 @@ pub fn thread(io: Io) {
} }
info!("new connection from {}", stream.remote_endpoint()); info!("new connection from {}", stream.remote_endpoint());
let routing_table = routing_table.clone();
let congress = congress.clone(); let congress = congress.clone();
let stream = stream.into_handle(); let stream = stream.into_handle();
respawn(&io, &mut kernel_thread, move |io| { respawn(&io, &mut kernel_thread, move |io| {
let routing_table = routing_table.borrow();
let mut congress = congress.borrow_mut(); let mut congress = congress.borrow_mut();
let mut stream = TcpStream::from_handle(&io, stream); let mut stream = TcpStream::from_handle(&io, stream);
match host_kernel_worker(&io, &mut stream, &mut *congress) { match host_kernel_worker(&io, &routing_table, &mut stream, &mut *congress) {
Ok(()) => (), Ok(()) => (),
Err(Error::Protocol(host::Error::Io(IoError::UnexpectedEnd))) => Err(Error::Protocol(host::Error::Io(IoError::UnexpectedEnd))) =>
info!("connection closed"), info!("connection closed"),
@ -646,10 +652,12 @@ pub fn thread(io: Io) {
if kernel_thread.as_ref().map_or(true, |h| h.terminated()) { if kernel_thread.as_ref().map_or(true, |h| h.terminated()) {
info!("no connection, starting idle kernel"); info!("no connection, starting idle kernel");
let routing_table = routing_table.clone();
let congress = congress.clone(); let congress = congress.clone();
respawn(&io, &mut kernel_thread, move |io| { respawn(&io, &mut kernel_thread, move |io| {
let routing_table = routing_table.borrow();
let mut congress = congress.borrow_mut(); let mut congress = congress.borrow_mut();
match flash_kernel_worker(&io, &mut *congress, "idle_kernel") { match flash_kernel_worker(&io, &routing_table, &mut *congress, "idle_kernel") {
Ok(()) => Ok(()) =>
info!("idle kernel finished, standing by"), info!("idle kernel finished, standing by"),
Err(Error::Protocol(host::Error::Io( Err(Error::Protocol(host::Error::Io(

54
artiq/firmware/satman/main.rs
View File

@ -46,6 +46,27 @@ fn drtiosat_tsc_loaded() -> bool {
} }
} }
#[cfg(has_drtio_routing)]
macro_rules! forward {
($routing_table:expr, $destination:expr, $rank:expr, $repeaters:expr, $packet:expr) => {{
let hop = $routing_table.0[$destination as usize][$rank as usize];
if hop != 0 {
let repno = (hop - 1) as usize;
if repno < $repeaters.len() {
return $repeaters[repno].aux_forward($packet);
} else {
return Err(drtioaux::Error::RoutingError);
}
}
}}
}
#[cfg(not(has_drtio_routing))]
macro_rules! forward {
($routing_table:expr, $destination:expr, $rank:expr, $repeaters:expr, $packet:expr) => {}
}
fn process_aux_packet(_repeaters: &mut [repeater::Repeater], fn process_aux_packet(_repeaters: &mut [repeater::Repeater],
_routing_table: &mut drtio_routing::RoutingTable, _rank: &mut u8, _routing_table: &mut drtio_routing::RoutingTable, _rank: &mut u8,
packet: drtioaux::Packet) -> Result<(), drtioaux::Error<!>> { packet: drtioaux::Packet) -> Result<(), drtioaux::Error<!>> {
@ -174,7 +195,8 @@ fn process_aux_packet(_repeaters: &mut [repeater::Repeater],
drtioaux::send_link(0, &drtioaux::Packet::RoutingAck) drtioaux::send_link(0, &drtioaux::Packet::RoutingAck)
} }
drtioaux::Packet::MonitorRequest { channel, probe } => { drtioaux::Packet::MonitorRequest { destination, channel, probe } => {
forward!(_routing_table, destination, *_rank, _repeaters, &packet);
let value; let value;
#[cfg(has_rtio_moninj)] #[cfg(has_rtio_moninj)]
unsafe { unsafe {
@ -190,7 +212,8 @@ fn process_aux_packet(_repeaters: &mut [repeater::Repeater],
let reply = drtioaux::Packet::MonitorReply { value: value as u32 }; let reply = drtioaux::Packet::MonitorReply { value: value as u32 };
drtioaux::send_link(0, &reply) drtioaux::send_link(0, &reply)
}, },
drtioaux::Packet::InjectionRequest { channel, overrd, value } => { drtioaux::Packet::InjectionRequest { destination, channel, overrd, value } => {
forward!(_routing_table, destination, *_rank, _repeaters, &packet);
#[cfg(has_rtio_moninj)] #[cfg(has_rtio_moninj)]
unsafe { unsafe {
csr::rtio_moninj::inj_chan_sel_write(channel as _); csr::rtio_moninj::inj_chan_sel_write(channel as _);
@ -199,7 +222,8 @@ fn process_aux_packet(_repeaters: &mut [repeater::Repeater],
} }
Ok(()) Ok(())
}, },
drtioaux::Packet::InjectionStatusRequest { channel, overrd } => { drtioaux::Packet::InjectionStatusRequest { destination, channel, overrd } => {
forward!(_routing_table, destination, *_rank, _repeaters, &packet);
let value; let value;
#[cfg(has_rtio_moninj)] #[cfg(has_rtio_moninj)]
unsafe { unsafe {
@ -214,19 +238,23 @@ fn process_aux_packet(_repeaters: &mut [repeater::Repeater],
drtioaux::send_link(0, &drtioaux::Packet::InjectionStatusReply { value: value }) drtioaux::send_link(0, &drtioaux::Packet::InjectionStatusReply { value: value })
}, },
drtioaux::Packet::I2cStartRequest { busno } => { drtioaux::Packet::I2cStartRequest { destination, busno } => {
forward!(_routing_table, destination, *_rank, _repeaters, &packet);
let succeeded = i2c::start(busno).is_ok(); let succeeded = i2c::start(busno).is_ok();
drtioaux::send_link(0, &drtioaux::Packet::I2cBasicReply { succeeded: succeeded }) drtioaux::send_link(0, &drtioaux::Packet::I2cBasicReply { succeeded: succeeded })
} }
drtioaux::Packet::I2cRestartRequest { busno } => { drtioaux::Packet::I2cRestartRequest { destination, busno } => {
forward!(_routing_table, destination, *_rank, _repeaters, &packet);
let succeeded = i2c::restart(busno).is_ok(); let succeeded = i2c::restart(busno).is_ok();
drtioaux::send_link(0, &drtioaux::Packet::I2cBasicReply { succeeded: succeeded }) drtioaux::send_link(0, &drtioaux::Packet::I2cBasicReply { succeeded: succeeded })
} }
drtioaux::Packet::I2cStopRequest { busno } => { drtioaux::Packet::I2cStopRequest { destination, busno } => {
forward!(_routing_table, destination, *_rank, _repeaters, &packet);
let succeeded = i2c::stop(busno).is_ok(); let succeeded = i2c::stop(busno).is_ok();
drtioaux::send_link(0, &drtioaux::Packet::I2cBasicReply { succeeded: succeeded }) drtioaux::send_link(0, &drtioaux::Packet::I2cBasicReply { succeeded: succeeded })
} }
drtioaux::Packet::I2cWriteRequest { busno, data } => { drtioaux::Packet::I2cWriteRequest { destination, busno, data } => {
forward!(_routing_table, destination, *_rank, _repeaters, &packet);
match i2c::write(busno, data) { match i2c::write(busno, data) {
Ok(ack) => drtioaux::send_link(0, Ok(ack) => drtioaux::send_link(0,
&drtioaux::Packet::I2cWriteReply { succeeded: true, ack: ack }), &drtioaux::Packet::I2cWriteReply { succeeded: true, ack: ack }),
@ -234,7 +262,8 @@ fn process_aux_packet(_repeaters: &mut [repeater::Repeater],
&drtioaux::Packet::I2cWriteReply { succeeded: false, ack: false }) &drtioaux::Packet::I2cWriteReply { succeeded: false, ack: false })
} }
} }
drtioaux::Packet::I2cReadRequest { busno, ack } => { drtioaux::Packet::I2cReadRequest { destination, busno, ack } => {
forward!(_routing_table, destination, *_rank, _repeaters, &packet);
match i2c::read(busno, ack) { match i2c::read(busno, ack) {
Ok(data) => drtioaux::send_link(0, Ok(data) => drtioaux::send_link(0,
&drtioaux::Packet::I2cReadReply { succeeded: true, data: data }), &drtioaux::Packet::I2cReadReply { succeeded: true, data: data }),
@ -243,17 +272,20 @@ fn process_aux_packet(_repeaters: &mut [repeater::Repeater],
} }
} }
drtioaux::Packet::SpiSetConfigRequest { busno, flags, length, div, cs } => { drtioaux::Packet::SpiSetConfigRequest { destination, busno, flags, length, div, cs } => {
forward!(_routing_table, destination, *_rank, _repeaters, &packet);
let succeeded = spi::set_config(busno, flags, length, div, cs).is_ok(); let succeeded = spi::set_config(busno, flags, length, div, cs).is_ok();
drtioaux::send_link(0, drtioaux::send_link(0,
&drtioaux::Packet::SpiBasicReply { succeeded: succeeded }) &drtioaux::Packet::SpiBasicReply { succeeded: succeeded })
}, },
drtioaux::Packet::SpiWriteRequest { busno, data } => { drtioaux::Packet::SpiWriteRequest { destination, busno, data } => {
forward!(_routing_table, destination, *_rank, _repeaters, &packet);
let succeeded = spi::write(busno, data).is_ok(); let succeeded = spi::write(busno, data).is_ok();
drtioaux::send_link(0, drtioaux::send_link(0,
&drtioaux::Packet::SpiBasicReply { succeeded: succeeded }) &drtioaux::Packet::SpiBasicReply { succeeded: succeeded })
} }
drtioaux::Packet::SpiReadRequest { busno } => { drtioaux::Packet::SpiReadRequest { destination, busno } => {
forward!(_routing_table, destination, *_rank, _repeaters, &packet);
match spi::read(busno) { match spi::read(busno) {
Ok(data) => drtioaux::send_link(0, Ok(data) => drtioaux::send_link(0,
&drtioaux::Packet::SpiReadReply { succeeded: true, data: data }), &drtioaux::Packet::SpiReadReply { succeeded: true, data: data }),