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Implemented ScsiPortGetUncachedExtension().

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svn path=/trunk/; revision=5992
This commit is contained in:
Eric Kohl 2003-09-05 11:48:03 +00:00
parent b078e28da7
commit 8cfd3cac0b
2 changed files with 77 additions and 9 deletions
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78
reactos/drivers/storage/scsiport/scsiport.c
View file

@ -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: scsiport.c,v 1.33 2003/09/04 23:33:55 ekohl Exp $
/* $Id: scsiport.c,v 1.34 2003/09/05 11:48:03 ekohl Exp $
*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
@ -402,7 +402,8 @@ ScsiPortGetPhysicalAddress(IN PVOID HwDeviceExtension,
IN PVOID VirtualAddress,
OUT ULONG *Length)
{
DPRINT("ScsiPortGetPhysicalAddress()\n");
DPRINT1("ScsiPortGetPhysicalAddress(%p %p %p %p)\n",
HwDeviceExtension, Srb, VirtualAddress, Length);
UNIMPLEMENTED;
}
@ -423,15 +424,74 @@ ScsiPortGetSrb(IN PVOID DeviceExtension,
/*
* @unimplemented
* @implemented
*/
PVOID STDCALL
ScsiPortGetUncachedExtension(IN PVOID HwDeviceExtension,
IN PPORT_CONFIGURATION_INFORMATION ConfigInfo,
IN ULONG NumberOfBytes)
{
DPRINT("ScsiPortGetUncachedExtension()\n");
UNIMPLEMENTED;
PSCSI_PORT_DEVICE_EXTENSION DeviceExtension;
DEVICE_DESCRIPTION DeviceDescription;
DPRINT1("ScsiPortGetUncachedExtension(%p %p %lu)\n",
HwDeviceExtension, ConfigInfo, NumberOfBytes);
DeviceExtension = CONTAINING_RECORD(HwDeviceExtension,
SCSI_PORT_DEVICE_EXTENSION,
MiniPortDeviceExtension);
/* Check for allocated common DMA buffer */
if (DeviceExtension->VirtualAddress != NULL)
{
DPRINT1("The HBA has already got a common DMA buffer!\n");
return NULL;
}
/* Check for DMA adapter object */
if (DeviceExtension->AdapterObject == NULL)
{
/* Initialize DMA adapter description */
RtlZeroMemory(&DeviceDescription,
sizeof(DEVICE_DESCRIPTION));
DeviceDescription.Version = DEVICE_DESCRIPTION_VERSION1;
DeviceDescription.Master = ConfigInfo->Master;
DeviceDescription.ScatterGather = ConfigInfo->ScatterGather;
DeviceDescription.DemandMode = ConfigInfo->DemandMode;
DeviceDescription.Dma32BitAddresses = ConfigInfo->Dma32BitAddresses;
DeviceDescription.BusNumber = ConfigInfo->SystemIoBusNumber;
DeviceDescription.DmaChannel = ConfigInfo->DmaChannel;
DeviceDescription.InterfaceType = ConfigInfo->AdapterInterfaceType;
DeviceDescription.DmaWidth = ConfigInfo->DmaWidth;
DeviceDescription.DmaSpeed = ConfigInfo->DmaSpeed;
DeviceDescription.MaximumLength = ConfigInfo->MaximumTransferLength;
DeviceDescription.DmaPort = ConfigInfo->DmaPort;
/* Get a DMA adapter object */
DeviceExtension->AdapterObject = HalGetAdapter(&DeviceDescription,
&DeviceExtension->MapRegisterCount);
if (DeviceExtension->AdapterObject == NULL)
{
DPRINT1("HalGetAdapter() failed\n");
return NULL;
}
}
/* Allocate a common DMA buffer */
DeviceExtension->CommonBufferLength = NumberOfBytes;
DeviceExtension->VirtualAddress =
HalAllocateCommonBuffer(DeviceExtension->AdapterObject,
DeviceExtension->CommonBufferLength,
&DeviceExtension->PhysicalAddress,
FALSE);
if (DeviceExtension->VirtualAddress == NULL)
{
DPRINT1("HalAllocateCommonBuffer() failed!\n");
DeviceExtension->CommonBufferLength = 0;
return NULL;
}
return DeviceExtension->VirtualAddress;
}
@ -506,10 +566,10 @@ ScsiPortInitialize(IN PVOID Argument1,
return(STATUS_INVALID_PARAMETER);
DriverObject->DriverStartIo = ScsiPortStartIo;
DriverObject->MajorFunction[IRP_MJ_CREATE] = ScsiPortCreateClose;
DriverObject->MajorFunction[IRP_MJ_CLOSE] = ScsiPortCreateClose;
DriverObject->MajorFunction[IRP_MJ_DEVICE_CONTROL] = ScsiPortDeviceControl;
DriverObject->MajorFunction[IRP_MJ_SCSI] = ScsiPortDispatchScsi;
DriverObject->MajorFunction[IRP_MJ_CREATE] = (PDRIVER_DISPATCH)ScsiPortCreateClose;
DriverObject->MajorFunction[IRP_MJ_CLOSE] = (PDRIVER_DISPATCH)ScsiPortCreateClose;
DriverObject->MajorFunction[IRP_MJ_DEVICE_CONTROL] = (PDRIVER_DISPATCH)ScsiPortDeviceControl;
DriverObject->MajorFunction[IRP_MJ_SCSI] = (PDRIVER_DISPATCH)ScsiPortDispatchScsi;
SystemConfig = IoGetConfigurationInformation();

8
reactos/drivers/storage/scsiport/scsiport_int.h
View file

@ -86,5 +86,13 @@ typedef struct _SCSI_PORT_DEVICE_EXTENSION
SCSI_REQUEST_BLOCK InternalSrb;
SENSE_DATA InternalSenseData;
/* DMA related stuff */
PADAPTER_OBJECT AdapterObject;
ULONG MapRegisterCount;
PHYSICAL_ADDRESS PhysicalAddress;
PVOID VirtualAddress;
ULONG CommonBufferLength;
UCHAR MiniPortDeviceExtension[1]; /* must be the last entry */
} SCSI_PORT_DEVICE_EXTENSION, *PSCSI_PORT_DEVICE_EXTENSION;