XhciIsochStage Struct Reference

#include <isoxfer.h>

Collaboration diagram for XhciIsochStage:

Public Attributes
BOOLEAN	InUse
BOOLEAN	OnHardware
BOOLEAN	FreeMdl
BOOLEAN	Truncated
XhciIsochTransfer *	Transfer
ULONG	FirstPacket
ULONG	LastPacket
ULONG	NextPacket
ULONG	Size
PMDL	Mdl
PSCATTER_GATHER_LIST	SgList
LIST_ENTRY	FreeSegments
LIST_ENTRY	UsedSegments
XhciDmaBuffer *	FirstSegment
ULONG	FirstIndex
XhciDmaBuffer *	LastSegment
ULONG	EndIndex
XhciDmaBuffer *	ScanSegment
ULONG	ScanIndex

Detailed Description

A run of whole frames of one URB, mapped with one scatter gather list.

Definition at line 24 of file isoxfer.h.

Member Data Documentation

EndIndex

ULONG XhciIsochStage::EndIndex

One past the last TRB in LastSegment

Definition at line 42 of file isoxfer.h.

Referenced by _Requires_lock_held_().

FirstIndex

ULONG XhciIsochStage::FirstIndex

Definition at line 40 of file isoxfer.h.

Referenced by _Requires_lock_held_().

FirstPacket

ULONG XhciIsochStage::FirstPacket

Definition at line 31 of file isoxfer.h.

Referenced by _Requires_lock_held_().

FirstSegment

XhciDmaBuffer* XhciIsochStage::FirstSegment

Definition at line 39 of file isoxfer.h.

Referenced by _Requires_lock_held_().

FreeMdl

BOOLEAN XhciIsochStage::FreeMdl

Definition at line 28 of file isoxfer.h.

FreeSegments

LIST_ENTRY XhciIsochStage::FreeSegments

Reserved for Link TRBs, not linked yet

Definition at line 37 of file isoxfer.h.

Referenced by _Requires_lock_held_().

InUse

BOOLEAN XhciIsochStage::InUse

Definition at line 26 of file isoxfer.h.

Referenced by _Requires_lock_held_(), XhciIsochRing::FinishLostStages(), and XhciIsochRing::RetireExpiredStages().

LastPacket

ULONG XhciIsochStage::LastPacket

Definition at line 32 of file isoxfer.h.

Referenced by _Requires_lock_held_(), XhciIsochRing::FinishLostStages(), and XhciIsochRing::RetireExpiredStages().

LastSegment

XhciDmaBuffer* XhciIsochStage::LastSegment

Definition at line 41 of file isoxfer.h.

Referenced by _Requires_lock_held_().

Mdl

PMDL XhciIsochStage::Mdl

Definition at line 35 of file isoxfer.h.

NextPacket

ULONG XhciIsochStage::NextPacket

One past the last packet an event named

Definition at line 33 of file isoxfer.h.

Referenced by _Requires_lock_held_(), XhciIsochRing::Ed1Event(), XhciIsochRing::FinishLostStages(), and XhciIsochRing::RetireExpiredStages().

OnHardware

BOOLEAN XhciIsochStage::OnHardware

Counted in the ring's in flight stages

Definition at line 27 of file isoxfer.h.

Referenced by XhciIsochRing::FinishLostStages(), and XhciIsochRing::ReleaseAllStages().

ScanIndex

ULONG XhciIsochStage::ScanIndex

Definition at line 44 of file isoxfer.h.

Referenced by _Requires_lock_held_().

ScanSegment

XhciDmaBuffer* XhciIsochStage::ScanSegment

Where the next byte count scan starts

Definition at line 43 of file isoxfer.h.

Referenced by _Requires_lock_held_().

SgList

PSCATTER_GATHER_LIST XhciIsochStage::SgList

Definition at line 36 of file isoxfer.h.

Referenced by XhciIsochRing::ReleaseAllStages().

Size

ULONG XhciIsochStage::Size

Definition at line 34 of file isoxfer.h.

Transfer

XhciIsochTransfer* XhciIsochStage::Transfer

Definition at line 30 of file isoxfer.h.

Referenced by _Requires_lock_held_(), XhciIsochRing::Ed0Event(), and XhciIsochRing::FinishLostStages().

Truncated

BOOLEAN XhciIsochStage::Truncated

Ended early because the rest did not fit the reserved segments

Definition at line 29 of file isoxfer.h.

UsedSegments

LIST_ENTRY XhciIsochStage::UsedSegments

Left through a Link TRB, oldest first

Definition at line 38 of file isoxfer.h.

Referenced by _Requires_lock_held_().

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

• drivers/usb/usbxhci/isoxfer.h