mirror of
https://github.com/reactos/reactos.git
synced 2025-02-25 01:39:30 +00:00
Implemented ScsiClassAsynchronousCompletion() and ScsiClassReleaseQueue().
svn path=/trunk/; revision=6492
This commit is contained in:
Eric Kohl
parent
9ecaadc7e6
commit
06a85f7e81
2 changed files with 131 additions and 12 deletions
|
|
@ -16,7 +16,7 @@
|
|||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
||||
*/
|
||||
/* $Id: class2.c,v 1.42 2003/11/01 10:42:32 hbirr Exp $
|
||||
/* $Id: class2.c,v 1.43 2003/11/01 16:33:39 ekohl Exp $
|
||||
*
|
||||
* COPYRIGHT: See COPYING in the top level directory
|
||||
* PROJECT: ReactOS kernel
|
||||
|
|
@ -40,12 +40,12 @@
|
|||
#include <debug.h>
|
||||
|
||||
|
||||
#define VERSION "0.0.1"
|
||||
#define VERSION "0.0.2"
|
||||
|
||||
#define TAG_SRBT TAG('S', 'r', 'b', 'T')
|
||||
|
||||
#define INQUIRY_DATA_SIZE 2048
|
||||
|
||||
#define INQUIRY_DATA_SIZE 2048
|
||||
#define START_UNIT_TIMEOUT 30
|
||||
|
||||
static NTSTATUS STDCALL
|
||||
ScsiClassCreateClose(IN PDEVICE_OBJECT DeviceObject,
|
||||
|
|
@ -120,14 +120,37 @@ ScsiClassDebugPrint(IN ULONG DebugPrintLevel,
|
|||
|
||||
|
||||
/*
|
||||
* @unimplemented
|
||||
* @implemented
|
||||
*/
|
||||
NTSTATUS STDCALL
|
||||
ScsiClassAsynchronousCompletion(IN PDEVICE_OBJECT DeviceObject,
|
||||
IN PIRP Irp,
|
||||
IN PVOID Context)
|
||||
{
|
||||
UNIMPLEMENTED;
|
||||
PCOMPLETION_CONTEXT CompletionContext;
|
||||
PSCSI_REQUEST_BLOCK Srb;
|
||||
|
||||
CompletionContext = (PCOMPLETION_CONTEXT) Context;
|
||||
Srb = &CompletionContext->Srb;
|
||||
|
||||
/* Release the queue if it is frozen */
|
||||
if (Srb->Function == SRB_FUNCTION_EXECUTE_SCSI &&
|
||||
Srb->SrbStatus & SRB_STATUS_QUEUE_FROZEN)
|
||||
{
|
||||
ScsiClassReleaseQueue (CompletionContext->DeviceObject);
|
||||
}
|
||||
|
||||
/* Release the completion context and the IRP */
|
||||
if (Irp->MdlAddress != NULL)
|
||||
{
|
||||
MmUnlockPages (Irp->MdlAddress);
|
||||
IoFreeMdl (Irp->MdlAddress);
|
||||
Irp->MdlAddress = NULL;
|
||||
}
|
||||
ExFreePool (CompletionContext);
|
||||
IoFreeIrp (Irp);
|
||||
|
||||
return STATUS_MORE_PROCESSING_REQUIRED;
|
||||
}
|
||||
|
||||
|
||||
|
|
@ -1230,6 +1253,13 @@ ScsiClassIoComplete(IN PDEVICE_OBJECT DeviceObject,
|
|||
}
|
||||
else
|
||||
{
|
||||
/* Release the queue if it is frozen */
|
||||
if (Srb->SrbStatus & SRB_STATUS_QUEUE_FROZEN)
|
||||
{
|
||||
ScsiClassReleaseQueue (DeviceObject);
|
||||
}
|
||||
|
||||
/* Get more detailed status information */
|
||||
Retry = ScsiClassInterpretSenseInfo(DeviceObject,
|
||||
Srb,
|
||||
IrpStack->MajorFunction,
|
||||
|
|
@ -1330,6 +1360,12 @@ ScsiClassIoCompleteAssociated(IN PDEVICE_OBJECT DeviceObject,
|
|||
}
|
||||
else
|
||||
{
|
||||
/* Release the queue if it is frozen */
|
||||
if (Srb->SrbStatus & SRB_STATUS_QUEUE_FROZEN)
|
||||
{
|
||||
ScsiClassReleaseQueue (DeviceObject);
|
||||
}
|
||||
|
||||
/* Get more detailed status information */
|
||||
Retry = ScsiClassInterpretSenseInfo(DeviceObject,
|
||||
Srb,
|
||||
|
|
@ -1644,12 +1680,78 @@ ScsiClassReadDriveCapacity(IN PDEVICE_OBJECT DeviceObject)
|
|||
|
||||
|
||||
/*
|
||||
* @unimplemented
|
||||
* @implemented
|
||||
*/
|
||||
VOID STDCALL
|
||||
ScsiClassReleaseQueue(IN PDEVICE_OBJECT DeviceObject)
|
||||
{
|
||||
UNIMPLEMENTED;
|
||||
PDEVICE_EXTENSION DeviceExtension;
|
||||
PCOMPLETION_CONTEXT Context;
|
||||
PIO_STACK_LOCATION Stack;
|
||||
PSCSI_REQUEST_BLOCK Srb;
|
||||
KIRQL Irql;
|
||||
PCDB Cdb;
|
||||
PIRP Irp;
|
||||
|
||||
DPRINT("ScsiClassReleaseQueue() called\n");
|
||||
|
||||
DeviceExtension = (PDEVICE_EXTENSION)DeviceObject->DeviceExtension;
|
||||
|
||||
/* Allocate and initialize the completion context */
|
||||
Context = ExAllocatePool (NonPagedPoolMustSucceed,
|
||||
sizeof (COMPLETION_CONTEXT));
|
||||
Context->DeviceObject = DeviceObject;
|
||||
|
||||
/* Initialize the SRB */
|
||||
Srb = &Context->Srb;
|
||||
RtlZeroMemory (Srb,
|
||||
sizeof (SCSI_REQUEST_BLOCK));
|
||||
Srb->Length = sizeof (SCSI_REQUEST_BLOCK);
|
||||
Srb->PathId = DeviceExtension->PathId;
|
||||
Srb->TargetId = DeviceExtension->TargetId;
|
||||
Srb->Lun = DeviceExtension->Lun;
|
||||
Srb->Function = SRB_FUNCTION_EXECUTE_SCSI;
|
||||
Srb->TimeOutValue = START_UNIT_TIMEOUT;
|
||||
Srb->SrbFlags = SRB_FLAGS_NO_DATA_TRANSFER |
|
||||
SRB_FLAGS_DISABLE_AUTOSENSE |
|
||||
SRB_FLAGS_DISABLE_SYNCH_TRANSFER;
|
||||
Srb->CdbLength = 6;
|
||||
|
||||
/* Initialize the CDB */
|
||||
Cdb = (PCDB)&Srb->Cdb;
|
||||
Cdb->START_STOP.OperationCode = SCSIOP_START_STOP_UNIT;
|
||||
Cdb->START_STOP.Start = 1;
|
||||
Cdb->START_STOP.LogicalUnitNumber = Srb->Lun;
|
||||
|
||||
/* Build the IRP */
|
||||
Irp = IoAllocateIrp (DeviceObject->StackSize, FALSE);
|
||||
IoSetCompletionRoutine (Irp,
|
||||
(PIO_COMPLETION_ROUTINE)ScsiClassAsynchronousCompletion,
|
||||
Context,
|
||||
NULL,
|
||||
NULL,
|
||||
NULL);
|
||||
|
||||
/* Attach SRB to the IRP */
|
||||
Stack = IoGetNextIrpStackLocation(Irp);
|
||||
Stack->MajorFunction = IRP_MJ_SCSI;
|
||||
Stack->Parameters.Scsi.Srb = Srb;
|
||||
Srb->OriginalRequest = Irp;
|
||||
|
||||
/* Call the port driver */
|
||||
Irql = KeGetCurrentIrql ();
|
||||
if (Irql < DISPATCH_LEVEL)
|
||||
{
|
||||
KeRaiseIrql (DISPATCH_LEVEL, &Irql);
|
||||
IoCallDriver (DeviceExtension->PortDeviceObject, Irp);
|
||||
KeLowerIrql (Irql);
|
||||
}
|
||||
else
|
||||
{
|
||||
IoCallDriver (DeviceExtension->PortDeviceObject, Irp);
|
||||
}
|
||||
|
||||
DPRINT("ScsiClassReleaseQueue() done\n");
|
||||
}
|
||||
|
||||
|
||||
|
|
@ -1843,6 +1945,13 @@ TryAgain:
|
|||
|
||||
if (SRB_STATUS(Srb->SrbStatus) != SRB_STATUS_SUCCESS)
|
||||
{
|
||||
/* Release the queue if it is frozen */
|
||||
if (Srb->SrbStatus & SRB_STATUS_QUEUE_FROZEN)
|
||||
{
|
||||
ScsiClassReleaseQueue (DeviceObject);
|
||||
}
|
||||
|
||||
/* Get more detailed status information */
|
||||
Retry = ScsiClassInterpretSenseInfo(DeviceObject,
|
||||
Srb,
|
||||
IRP_MJ_SCSI,
|
||||
|
|
|
|||
|
|
@ -1,4 +1,4 @@
|
|||
/* $Id: class2.h,v 1.3 2003/07/11 14:07:30 ekohl Exp $
|
||||
/* $Id: class2.h,v 1.4 2003/11/01 16:32:47 ekohl Exp $
|
||||
*
|
||||
* COPYRIGHT: See COPYING in the top level directory
|
||||
* PROJECT: ReactOS kernel
|
||||
|
|
@ -7,8 +7,8 @@
|
|||
* PROGRAMMER: Eric Kohl (ekohl@rz-online.de)
|
||||
*/
|
||||
|
||||
#ifndef __STORAGE_INCLUDE_CLASS2_H
|
||||
#define __STORAGE_INCLUDE_CLASS2_H
|
||||
#ifndef __INCLUDE_DDK_CLASS2_H
|
||||
#define __INCLUDE_DDK_CLASS2_H
|
||||
|
||||
#include "ntddscsi.h"
|
||||
#include "srb.h"
|
||||
|
|
@ -108,6 +108,13 @@ typedef struct _DEVICE_EXTENSION
|
|||
} DEVICE_EXTENSION, *PDEVICE_EXTENSION;
|
||||
|
||||
|
||||
typedef struct _COMPLETION_CONTEXT
|
||||
{
|
||||
PDEVICE_OBJECT DeviceObject;
|
||||
SCSI_REQUEST_BLOCK Srb;
|
||||
} COMPLETION_CONTEXT, *PCOMPLETION_CONTEXT;
|
||||
|
||||
|
||||
/* FUNCTIONS ****************************************************************/
|
||||
|
||||
NTSTATUS STDCALL
|
||||
|
|
@ -197,6 +204,9 @@ ScsiClassQueryTimeOutRegistryValue(IN PUNICODE_STRING RegistryPath);
|
|||
NTSTATUS STDCALL
|
||||
ScsiClassReadDriveCapacity(IN PDEVICE_OBJECT DeviceObject);
|
||||
|
||||
VOID STDCALL
|
||||
ScsiClassReleaseQueue(IN PDEVICE_OBJECT DeviceObject);
|
||||
|
||||
NTSTATUS STDCALL
|
||||
ScsiClassSendSrbAsynchronous(PDEVICE_OBJECT DeviceObject,
|
||||
PSCSI_REQUEST_BLOCK Srb,
|
||||
|
|
@ -217,6 +227,6 @@ ScsiClassSplitRequest(IN PDEVICE_OBJECT DeviceObject,
|
|||
IN PIRP Irp,
|
||||
IN ULONG MaximumBytes);
|
||||
|
||||
#endif /* __STORAGE_INCLUDE_CLASS2_H */
|
||||
#endif /* __INCLUDE_DDK_CLASS2_H */
|
||||
|
||||
/* EOF */
|
||||
|
|
|
|||
Loading…
Reference in a new issue