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sys: wq: FspWq* routiens

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sys: write: initial implementation
This commit is contained in:
Bill Zissimopoulos
2016-02-23 20:07:33 -08:00
parent c30fec9daf
commit 892e8eb025
6 changed files with 275 additions and 6 deletions
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25
src/sys/driver.h
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@ -322,10 +322,15 @@ PVOID FspAllocateIrpMustSucceed(CCHAR StackSize);
BOOLEAN FspUnicodePathIsValid(PUNICODE_STRING Path, BOOLEAN AllowStreams);
VOID FspUnicodePathSuffix(PUNICODE_STRING Path, PUNICODE_STRING Remain, PUNICODE_STRING Suffix);
NTSTATUS FspCreateGuid(GUID *Guid);
NTSTATUS FspLockUserBuffer(PVOID UserBuffer, ULONG Length,
KPROCESSOR_MODE RequestorMode, LOCK_OPERATION Operation, PMDL *PMdl);
NTSTATUS FspCcSetFileSizes(PFILE_OBJECT FileObject, PCC_FILE_SIZES FileSizes);
NTSTATUS FspCcMdlWriteComplete(PFILE_OBJECT FileObject, PLARGE_INTEGER FileOffset, PMDL MdlChain);
NTSTATUS FspQuerySecurityDescriptorInfo(SECURITY_INFORMATION SecurityInformation,
PSECURITY_DESCRIPTOR SecurityDescriptor, PULONG PLength,
PSECURITY_DESCRIPTOR ObjectsSecurityDescriptor);
#define FspSetTopLevelIrp(Irp) (IoGetTopLevelIrp() ? FALSE : (IoSetTopLevelIrp(Irp), TRUE))
#define FspResetTopLevelIrp(TopLevel) ((TopLevel) ? IoSetTopLevelIrp(0) : (void)0)
/* utility: synchronous work queue */
typedef struct
@ -431,6 +436,8 @@ enum
FspIopCreateRequestFunnel(I, F, E, 0, FspIopRequestMustSucceed, P)
#define FspIopCreateRequestEx(I, F, E, RF, P)\
FspIopCreateRequestFunnel(I, F, E, RF, 0, P)
#define FspIopCreateRequestWorkItem(I, E, RF, P)\
FspIopCreateRequestFunnel(I, 0, E, RF, FspIopRequestNonPaged, P)
#define FspIopRequestContext(Request, I)\
(*FspIopRequestContextAddress(Request, I))
#define FspIopPostWorkRequest(D, R) FspIopPostWorkRequestFunnel(D, R, FALSE)
@ -454,6 +461,24 @@ FSP_FSCTL_TRANSACT_RSP *FspIopIrpResponse(PIRP Irp);
NTSTATUS FspIopDispatchPrepare(PIRP Irp, FSP_FSCTL_TRANSACT_REQ *Request);
NTSTATUS FspIopDispatchComplete(PIRP Irp, const FSP_FSCTL_TRANSACT_RSP *Response);
/* work queue processing */
enum
{
FspWqRequestIrpAndFlags = 0,
FspWqRequestWorkRoutine = 1,
};
typedef NTSTATUS FSP_WQ_REQUEST_WORK(
PDEVICE_OBJECT DeviceObject, PIRP Irp, PIO_STACK_LOCATION IrpSp,
BOOLEAN CanWait);
NTSTATUS FspWqCreateAndPostIrpWorkItem(PIRP Irp,
FSP_WQ_REQUEST_WORK *WorkRoutine, FSP_IOP_REQUEST_FINI *RequestFini,
BOOLEAN CreateAndPost);
VOID FspWqPostIrpWorkItem(PIRP Irp);
#define FspWqCreateIrpWorkItem(I, RW, RF)\
FspWqCreateAndPostIrpWorkItem(I, RW, RF, FALSE)
#define FspWqRepostIrpWorkItem(I, RW, RF)\
FspWqCreateAndPostIrpWorkItem(I, RW, RF, TRUE)
/* device management */
#define FSP_DEVICE_VOLUME_NAME_LENMAX (FSP_FSCTL_VOLUME_NAME_SIZEMAX - sizeof(WCHAR))
enum