XhciCommand Struct Reference

#include <cmdring.h>

Collaboration diagram for XhciCommand:

Public Attributes
XHCI_TRB	Trb
PFN_XHCI_COMMAND_DONE	Done
PVOID	Context
XhciCompletionCode	Code
XHCI_TRB	Completion
NTSTATUS	Status
BOOLEAN	Internal
LIST_ENTRY	Link
ULONG	RingIndex
LONG	Countdown
BOOLEAN	Matched
PFN_XHCI_COMMAND_DONE	WaiterDone
PKEVENT	WaiterEvent

Detailed Description

Submitter fills Trb (minus the cycle bit) and Done. The ring fills Code and Completion, then calls Done at DISPATCH_LEVEL.

Definition at line 19 of file cmdring.h.

Member Data Documentation

Code

XhciCompletionCode XhciCommand::Code

Definition at line 24 of file cmdring.h.

Referenced by XhciCommandRing::RestartStoppedRingLocked().

Completion

XHCI_TRB XhciCommand::Completion

Definition at line 25 of file cmdring.h.

Context

PVOID XhciCommand::Context

Definition at line 23 of file cmdring.h.

Referenced by XhciUsbDevice::PrepareCommand(), XhciUsbDevice::Reset(), and XhciUsbDevice::StartReconfigure().

Countdown

LONG XhciCommand::Countdown

Timer ticks left before the next abort

Definition at line 35 of file cmdring.h.

Referenced by XhciCommandRing::OnTimer(), and XhciCommandRing::RestartStoppedRingLocked().

Done

PFN_XHCI_COMMAND_DONE XhciCommand::Done

Definition at line 22 of file cmdring.h.

Referenced by XhciUsbDevice::PrepareCommand(), XhciUsbDevice::Reset(), and XhciUsbDevice::StartReconfigure().

Internal

BOOLEAN XhciCommand::Internal

Issued by the driver during D0 entry; a stuck one asks for an internal reset

Definition at line 27 of file cmdring.h.

Referenced by XhciCommandRing::OnTimer().

Link

LIST_ENTRY XhciCommand::Link

Owned by the ring while the command is pending

Definition at line 28 of file cmdring.h.

Referenced by XhciCommandRing::RestartStoppedRingLocked().

Matched

BOOLEAN XhciCommand::Matched

Completion event seen, waiting for in order retirement

Definition at line 36 of file cmdring.h.

RingIndex

ULONG XhciCommand::RingIndex

TRB slot while on the ring

Definition at line 34 of file cmdring.h.

Status

NTSTATUS XhciCommand::Status

STATUS_SUCCESS, or why the command never ran

Definition at line 26 of file cmdring.h.

Referenced by XhciCommandRing::RestartStoppedRingLocked().

Trb

XHCI_TRB XhciCommand::Trb

Definition at line 21 of file cmdring.h.

Referenced by XhciUsbDevice::EndpointsConfigure(), XhciCommandRing::OnTimer(), XhciUsbDevice::PrepareCommand(), XhciUsbDevice::Reset(), XhciCommandRing::RestartStoppedRingLocked(), XhciUsbDevice::StartReconfigure(), XhciUsbDevice::SubmitAddressDevice(), XhciUsbDevice::SubmitSecondConfigure(), and XhciUsbDevice::Update().

WaiterDone

PFN_XHCI_COMMAND_DONE XhciCommand::WaiterDone

Definition at line 37 of file cmdring.h.

WaiterEvent

PKEVENT XhciCommand::WaiterEvent

Definition at line 38 of file cmdring.h.

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The documentation for this struct was generated from the following file:

• drivers/usb/usbxhci/cmdring.h