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sys: ioq: now supports IRP expiration

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This commit is contained in:
Bill Zissimopoulos
2015-12-16 10:43:33 -08:00
parent 3ae924e3f9
commit 9e82247366
6 changed files with 72 additions and 14 deletions
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10
src/sys/driver.h
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@ -245,6 +245,13 @@ FAST_IO_RELEASE_FOR_MOD_WRITE FspReleaseForModWrite;
FAST_IO_ACQUIRE_FOR_CCFLUSH FspAcquireForCcFlush;
FAST_IO_RELEASE_FOR_CCFLUSH FspReleaseForCcFlush;
/* IRP context */
#define FspIrpTimestamp(Irp) \
(*(ULONGLONG *)&(Irp)->Tail.Overlay.DriverContext[0])
/* FspIrpTimestamp() uses up DriverContext[0] and [1] in 32-bit builds */
#define FspIrpRequest(Irp) \
(*(FSP_FSCTL_TRANSACT_REQ **)&(Irp)->Tail.Overlay.DriverContext[2])
/* I/O queue */
#define FspIoqTimeout ((PIRP)1)
typedef struct
@ -258,6 +265,7 @@ typedef struct
VOID FspIoqInitialize(FSP_IOQ *Ioq);
VOID FspIoqStop(FSP_IOQ *Ioq);
BOOLEAN FspIoqStopped(FSP_IOQ *Ioq);
VOID FspIoqRemoveExpired(FSP_IOQ *Ioq, PLARGE_INTEGER Timeout);
BOOLEAN FspIoqPostIrp(FSP_IOQ *Ioq, PIRP Irp);
PIRP FspIoqNextPendingIrp(FSP_IOQ *Ioq, PLARGE_INTEGER Timeout);
BOOLEAN FspIoqStartProcessingIrp(FSP_IOQ *Ioq, PIRP Irp);
@ -266,8 +274,6 @@ PIRP FspIoqEndProcessingIrp(FSP_IOQ *Ioq, UINT_PTR IrpHint);
/* I/O processing */
#define FSP_FSCTL_WORK \
CTL_CODE(FILE_DEVICE_FILE_SYSTEM, 0x800 + 'W', METHOD_NEITHER, FILE_ANY_ACCESS)
#define FspIopRequest(Irp) \
(*(FSP_FSCTL_TRANSACT_REQ **)&(Irp)->Tail.Overlay.DriverContext[0])
#define FspIopRequestContext(Request, I)\
(*FspIopRequestContextAddress(Request, I))
#define FspIopCreateRequest(I, F, E, P) FspIopCreateRequestEx(I, F, E, 0, P)