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Add runtime registers, testing for TLB to XHCI
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,8 @@ | ||
| use syscall::io::Mmio; | ||
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| pub struct EventRingSte { | ||
| pub address: Mmio<u64>, | ||
| pub size: Mmio<u16>, | ||
| _rsvd: Mmio<u16>, | ||
| _rsvd2: Mmio<u32>, | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,102 @@ | ||
| use std::cell::RefCell; | ||
| use std::ops::{Deref, DerefMut}; | ||
| use std::rc::Weak; | ||
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| use syscall::error::{Error, Result, EBADF, EINVAL, EPIPE}; | ||
| use syscall::flag::{F_GETFL, F_SETFL, O_ACCMODE}; | ||
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| use pty::Pty; | ||
| use resource::Resource; | ||
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| /// Read side of a pipe | ||
| #[derive(Clone)] | ||
| pub struct PtyTermios { | ||
| pty: Weak<RefCell<Pty>>, | ||
| flags: usize, | ||
| } | ||
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| impl PtyTermios { | ||
| pub fn new(pty: Weak<RefCell<Pty>>, flags: usize) -> Self { | ||
| PtyTermios { | ||
| pty: pty, | ||
| flags: flags, | ||
| } | ||
| } | ||
| } | ||
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| impl Resource for PtyTermios { | ||
| fn boxed_clone(&self) -> Box<Resource> { | ||
| Box::new(self.clone()) | ||
| } | ||
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| fn pty(&self) -> Weak<RefCell<Pty>> { | ||
| self.pty.clone() | ||
| } | ||
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| fn flags(&self) -> usize { | ||
| self.flags | ||
| } | ||
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| fn path(&self, buf: &mut [u8]) -> Result<usize> { | ||
| if let Some(pty_lock) = self.pty.upgrade() { | ||
| pty_lock.borrow_mut().path(buf) | ||
| } else { | ||
| Err(Error::new(EPIPE)) | ||
| } | ||
| } | ||
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| fn read(&self, buf: &mut [u8]) -> Result<usize> { | ||
| if let Some(pty_lock) = self.pty.upgrade() { | ||
| let pty = pty_lock.borrow(); | ||
| let termios: &[u8] = pty.termios.deref(); | ||
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| let mut i = 0; | ||
| while i < buf.len() && i < termios.len() { | ||
| buf[i] = termios[i]; | ||
| i += 1; | ||
| } | ||
| Ok(i) | ||
| } else { | ||
| Ok(0) | ||
| } | ||
| } | ||
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| fn write(&self, buf: &[u8]) -> Result<usize> { | ||
| if let Some(pty_lock) = self.pty.upgrade() { | ||
| let mut pty = pty_lock.borrow_mut(); | ||
| let termios: &mut [u8] = pty.termios.deref_mut(); | ||
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| let mut i = 0; | ||
| while i < buf.len() && i < termios.len() { | ||
| termios[i] = buf[i]; | ||
| i += 1; | ||
| } | ||
| Ok(i) | ||
| } else { | ||
| Err(Error::new(EPIPE)) | ||
| } | ||
| } | ||
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| fn sync(&self) -> Result<usize> { | ||
| Ok(0) | ||
| } | ||
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| fn fcntl(&mut self, cmd: usize, arg: usize) -> Result<usize> { | ||
| match cmd { | ||
| F_GETFL => Ok(self.flags), | ||
| F_SETFL => { | ||
| self.flags = (self.flags & O_ACCMODE) | (arg & ! O_ACCMODE); | ||
| Ok(0) | ||
| }, | ||
| _ => Err(Error::new(EINVAL)) | ||
| } | ||
| } | ||
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| fn fevent(&self) -> Result<()> { | ||
| Err(Error::new(EBADF)) | ||
| } | ||
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| fn fevent_count(&self) -> Option<usize> { | ||
| None | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,123 @@ | ||
| use syscall::io::{Io, Mmio}; | ||
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| #[repr(u8)] | ||
| pub enum TrbType { | ||
| Reserved, | ||
| /* Transfer */ | ||
| Normal, | ||
| SetupStage, | ||
| DataStage, | ||
| StatusStage, | ||
| Isoch, | ||
| Link, | ||
| EventData, | ||
| NoOp, | ||
| /* Command */ | ||
| EnableSlot, | ||
| DisableSlot, | ||
| AddressDevice, | ||
| ConfigureEndpoint, | ||
| EvaluateContext, | ||
| ResetEndpoint, | ||
| StopEndpoint, | ||
| SetTrDequeuePointer, | ||
| ResetDevice, | ||
| ForceEvent, | ||
| NegotiateBandwidth, | ||
| SetLatencyToleranceValue, | ||
| GetPortBandwidth, | ||
| ForceHeader, | ||
| NoOpCmd, | ||
| /* Reserved */ | ||
| Rsv24, | ||
| Rsv25, | ||
| Rsv26, | ||
| Rsv27, | ||
| Rsv28, | ||
| Rsv29, | ||
| Rsv30, | ||
| Rsv31, | ||
| /* Events */ | ||
| Transfer, | ||
| CommandCompletion, | ||
| PortStatusChange, | ||
| BandwidthRequest, | ||
| Doorbell, | ||
| HostController, | ||
| DeviceNotification, | ||
| MfindexWrap, | ||
| /* Reserved from 40 to 47, vendor devined from 48 to 63 */ | ||
| } | ||
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| #[repr(u8)] | ||
| pub enum TrbCompletionCode { | ||
| Invalid, | ||
| Success, | ||
| DataBuffer, | ||
| BabbleDetected, | ||
| UsbTransaction, | ||
| Trb, | ||
| Stall, | ||
| Resource, | ||
| Bandwidth, | ||
| NoSlotsAvailable, | ||
| InvalidStreamType, | ||
| SlotNotEnabled, | ||
| EndpointNotEnabled, | ||
| ShortPacket, | ||
| RingUnderrun, | ||
| RingOverrun, | ||
| VfEventRingFull, | ||
| Parameter, | ||
| BandwidthOverrun, | ||
| ContextState, | ||
| NoPingResponse, | ||
| EventRingFull, | ||
| IncompatibleDevice, | ||
| MissedService, | ||
| CommandRingStopped, | ||
| CommandAborted, | ||
| Stopped, | ||
| StoppedLengthInvalid, | ||
| StoppedShortPacket, | ||
| MaxExitLatencyTooLarge, | ||
| Rsv30, | ||
| IsochBuffer, | ||
| EventLost, | ||
| Undefined, | ||
| InvalidStreamId, | ||
| SecondaryBandwidth, | ||
| SplitTransaction, | ||
| /* Values from 37 to 191 are reserved */ | ||
| /* 192 to 223 are vendor defined errors */ | ||
| /* 224 to 255 are vendor defined information */ | ||
| } | ||
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| #[repr(packed)] | ||
| pub struct Trb { | ||
| pub data: Mmio<u64>, | ||
| pub status: Mmio<u32>, | ||
| pub control: Mmio<u32>, | ||
| } | ||
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| impl Trb { | ||
| pub fn reset(&mut self, param: u64, status: u32, control: u16, trb_type: TrbType, evaluate_next: bool, cycle: bool) { | ||
| let full_control = | ||
| (control as u32) << 16 | | ||
| ((trb_type as u32) & 0x3F) << 10 | | ||
| if evaluate_next { 1 << 1 } else { 0 } | | ||
| if cycle { 1 << 0 } else { 0 }; | ||
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| self.data.write(param); | ||
| self.status.write(status); | ||
| self.control.write(full_control); | ||
| } | ||
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| pub fn no_op_cmd(&mut self, cycle: bool) { | ||
| self.reset(0, 0, 0, TrbType::NoOpCmd, false, cycle); | ||
| } | ||
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| pub fn enable_slot(&mut self, slot_type: u8, cycle: bool) { | ||
| self.reset(0, 0, (slot_type as u16) & 0x1F, TrbType::EnableSlot, false, cycle); | ||
| } | ||
| } |