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ddma: pass "uses_ddma" flag

This commit is contained in:
mwojcik 2023-04-17 12:47:17 +08:00 committed by Gitea
parent 0046091605
commit cbc660e740
4 changed files with 36 additions and 16 deletions

View File

@ -330,7 +330,7 @@ async fn handle_run_kernel(
rtio_dma::erase(name, aux_mutex, routing_table, timer).await;
}
kernel::Message::DmaGetRequest(name) => {
let result = rtio_dma::retrieve(name);
let result = rtio_dma::retrieve(name).await;
control
.borrow_mut()
.tx

View File

@ -10,6 +10,7 @@ use crate::{artiq_raise, pl::csr, rtio};
pub struct DmaTrace {
duration: i64,
address: i32,
uses_ddma: bool,
}
#[derive(Clone, Debug)]
@ -151,8 +152,12 @@ pub extern "C" fn dma_retrieve(name: CSlice<u8>) -> DmaTrace {
}
match unsafe { KERNEL_CHANNEL_0TO1.as_mut().unwrap() }.recv() {
Message::DmaGetReply(None) => (),
Message::DmaGetReply(Some((address, duration))) => {
return DmaTrace { address, duration };
Message::DmaGetReply(Some((address, duration, uses_ddma))) => {
return DmaTrace {
address,
duration,
uses_ddma,
};
}
_ => panic!("Expected DmaGetReply after DmaGetRequest!"),
}
@ -160,7 +165,7 @@ pub extern "C" fn dma_retrieve(name: CSlice<u8>) -> DmaTrace {
artiq_raise!("DMAError", "DMA trace not found");
}
pub extern "C" fn dma_playback(timestamp: i64, ptr: i32) {
pub extern "C" fn dma_playback(timestamp: i64, ptr: i32, _uses_ddma: bool) {
unsafe {
csr::rtio_dma::base_address_write(ptr as u32);
csr::rtio_dma::time_offset_write(timestamp as u64);
@ -168,13 +173,15 @@ pub extern "C" fn dma_playback(timestamp: i64, ptr: i32) {
csr::cri_con::selected_write(1);
csr::rtio_dma::enable_write(1);
#[cfg(has_drtio)]
KERNEL_CHANNEL_1TO0
.as_mut()
.unwrap()
.send(Message::DmaStartRemoteRequest {
id: ptr,
timestamp: timestamp,
});
if _uses_ddma {
KERNEL_CHANNEL_1TO0
.as_mut()
.unwrap()
.send(Message::DmaStartRemoteRequest {
id: ptr,
timestamp: timestamp,
});
}
while csr::rtio_dma::enable_read() != 0 {}
csr::cri_con::selected_write(0);
@ -203,7 +210,7 @@ pub extern "C" fn dma_playback(timestamp: i64, ptr: i32) {
}
}
#[cfg(has_drtio)]
{
if _uses_ddma {
KERNEL_CHANNEL_1TO0
.as_mut()
.unwrap()

View File

@ -52,7 +52,7 @@ pub enum Message {
DmaPutRequest(DmaRecorder),
DmaEraseRequest(String),
DmaGetRequest(String),
DmaGetReply(Option<(i32, i64)>),
DmaGetReply(Option<(i32, i64, bool)>),
#[cfg(has_drtio)]
DmaStartRemoteRequest {
id: i32,

View File

@ -193,7 +193,7 @@ pub mod remote_dma {
up: bool,
) {
// update state of the destination, resend traces if it's up
if let Some(trace) = self.traces.lock().get_mut(&destination) {
if let Some(trace) = self.traces.async_lock().await.get_mut(&destination) {
if up {
match drtio::ddma_upload_trace(
aux_mutex,
@ -213,6 +213,10 @@ pub mod remote_dma {
}
}
}
pub async fn is_empty(&self) -> bool {
self.traces.async_lock().await.is_empty()
}
}
static mut TRACES: BTreeMap<u32, TraceSet> = BTreeMap::new();
@ -269,6 +273,11 @@ pub mod remote_dma {
.await;
}
}
pub async fn has_remote_traces(id: u32) -> bool {
let trace_set = unsafe { TRACES.get_mut(&id).unwrap() };
!(trace_set.is_empty().await)
}
}
pub async fn put_record(
@ -343,7 +352,11 @@ pub async fn erase(name: String, _aux_mutex: &Rc<Mutex<bool>>, _routing_table: &
}
}
pub fn retrieve(name: String) -> Option<(i32, i64)> {
pub async fn retrieve(name: String) -> Option<(i32, i64, bool)> {
let (ptr, _v, duration) = DMA_RECORD_STORE.lock().get(&name)?.clone();
Some((ptr as i32, duration))
#[cfg(has_drtio)]
let uses_ddma = remote_dma::has_remote_traces(ptr).await;
#[cfg(not(has_drtio))]
let uses_ddma = false;
Some((ptr as i32, duration, uses_ddma))
}