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Implemented ScsiPortGetDeviceBase() and ScsiPortFreeDeviceBase().

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svn path=/trunk/; revision=3863
This commit is contained in:
Eric Kohl 2002-12-09 23:14:04 +00:00
parent 2b0a6b6d38
commit e1ed68fe85
1 changed files with 109 additions and 43 deletions
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152
reactos/drivers/storage/scsiport/scsiport.c
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@ -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 1.26 2002/12/09 20:01:14 hbirr Exp $
/* $Id: scsiport.c,v 1.27 2002/12/09 23:14:04 ekohl Exp $
*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
@ -41,7 +41,12 @@
/* TYPES *********************************************************************/
/*
* SCSI_PORT_TIMER_STATES
*
* DESCRIPTION
* An enumeration containing the states in the timer DFA
*/
typedef enum _SCSI_PORT_TIMER_STATES
{
IDETimerIdle,
@ -51,6 +56,17 @@ typedef enum _SCSI_PORT_TIMER_STATES
} SCSI_PORT_TIMER_STATES;
typedef struct _SCSI_PORT_DEVICE_BASE
{
LIST_ENTRY List;
PVOID MappedAddress;
ULONG NumberOfBytes;
SCSI_PHYSICAL_ADDRESS IoAddress;
ULONG SystemIoBusNumber;
} SCSI_PORT_DEVICE_BASE, *PSCSI_PORT_DEVICE_BASE;
/*
* SCSI_PORT_DEVICE_EXTENSION
*
@ -65,46 +81,39 @@ typedef struct _SCSI_PORT_DEVICE_EXTENSION
ULONG MiniPortExtensionSize;
PORT_CONFIGURATION_INFORMATION PortConfig;
ULONG PortNumber;
KSPIN_LOCK IrpLock;
KSPIN_LOCK SpinLock;
PKINTERRUPT Interrupt;
PIRP CurrentIrp;
ULONG IrpFlags;
SCSI_PORT_TIMER_STATES TimerState;
LONG TimerCount;
BOOLEAN Initializing;
LIST_ENTRY DeviceBaseListHead;
ULONG PortBusInfoSize;
PSCSI_ADAPTER_BUS_INFO PortBusInfo;
PIO_SCSI_CAPABILITIES PortCapabilities;
PDEVICE_OBJECT DeviceObject;
PCONTROLLER_OBJECT ControllerObject;
PHW_STARTIO HwStartIo;
PHW_INTERRUPT HwInterrupt;
PSCSI_REQUEST_BLOCK OriginalSrb;
SCSI_REQUEST_BLOCK InternalSrb;
SENSE_DATA InternalSenseData;
UCHAR MiniPortDeviceExtension[1]; /* must be the last entry */
} SCSI_PORT_DEVICE_EXTENSION, *PSCSI_PORT_DEVICE_EXTENSION;
/*
* SCSI_PORT_TIMER_STATES
*
* DESCRIPTION
* An enumeration containing the states in the timer DFA
*/
#define IRP_FLAG_COMPLETE 0x00000001
#define IRP_FLAG_NEXT 0x00000002
@ -277,8 +286,36 @@ VOID STDCALL
ScsiPortFreeDeviceBase(IN PVOID HwDeviceExtension,
IN PVOID MappedAddress)
{
DPRINT("ScsiPortFreeDeviceBase()\n");
UNIMPLEMENTED;
PSCSI_PORT_DEVICE_EXTENSION DeviceExtension;
PSCSI_PORT_DEVICE_BASE DeviceBase;
PLIST_ENTRY Entry;
DPRINT("ScsiPortFreeDeviceBase() called\n");
DeviceExtension = CONTAINING_RECORD(HwDeviceExtension,
SCSI_PORT_DEVICE_EXTENSION,
MiniPortDeviceExtension);
if (IsListEmpty(&DeviceExtension->DeviceBaseListHead))
return;
Entry = DeviceExtension->DeviceBaseListHead.Flink;
while (Entry != &DeviceExtension->DeviceBaseListHead)
{
DeviceBase = CONTAINING_RECORD(Entry,
SCSI_PORT_DEVICE_BASE,
List);
if (DeviceBase->MappedAddress == MappedAddress)
{
MmUnmapIoSpace(DeviceBase->MappedAddress,
DeviceBase->NumberOfBytes);
RemoveEntryList(Entry);
ExFreePool(DeviceBase);
return;
}
Entry = Entry->Flink;
}
}
@ -306,38 +343,48 @@ ScsiPortGetDeviceBase(IN PVOID HwDeviceExtension,
IN ULONG NumberOfBytes,
IN BOOLEAN InIoSpace)
{
ULONG AddressSpace;
PSCSI_PORT_DEVICE_EXTENSION DeviceExtension;
PHYSICAL_ADDRESS TranslatedAddress;
PVOID VirtualAddress;
PVOID Buffer;
BOOLEAN rc;
PSCSI_PORT_DEVICE_BASE DeviceBase;
ULONG AddressSpace;
PVOID MappedAddress;
DPRINT("ScsiPortGetDeviceBase()\n");
DPRINT("ScsiPortGetDeviceBase() called\n");
AddressSpace = (ULONG)InIoSpace;
if (!HalTranslateBusAddress(BusType,
SystemIoBusNumber,
IoAddress,
&AddressSpace,
&TranslatedAddress))
if (HalTranslateBusAddress(BusType,
SystemIoBusNumber,
IoAddress,
&AddressSpace,
&TranslatedAddress) == FALSE)
return NULL;
/* i/o space */
if (AddressSpace != 0)
return (PVOID)TranslatedAddress.u.LowPart;
return((PVOID)TranslatedAddress.u.LowPart);
VirtualAddress = MmMapIoSpace(TranslatedAddress,
NumberOfBytes,
FALSE);
MappedAddress = MmMapIoSpace(TranslatedAddress,
NumberOfBytes,
FALSE);
Buffer = ExAllocatePool(NonPagedPool,0x20);
if (Buffer == NULL)
return VirtualAddress;
DeviceBase = ExAllocatePool(NonPagedPool,
sizeof(SCSI_PORT_DEVICE_BASE));
if (DeviceBase == NULL)
return(MappedAddress);
return NULL; /* ?? */
DeviceBase->MappedAddress = MappedAddress;
DeviceBase->NumberOfBytes = NumberOfBytes;
DeviceBase->IoAddress = IoAddress;
DeviceBase->SystemIoBusNumber = SystemIoBusNumber;
DeviceExtension = CONTAINING_RECORD(HwDeviceExtension,
SCSI_PORT_DEVICE_EXTENSION,
MiniPortDeviceExtension);
InsertHeadList(&DeviceExtension->DeviceBaseListHead,
&DeviceBase->List);
return(MappedAddress);
}
@ -498,6 +545,8 @@ ScsiPortInitialize(IN PVOID Argument1,
{
DPRINT("Calling HwFindAdapter() for Bus %lu\n", PortConfig->SystemIoBusNumber);
InitializeListHead(&PseudoDeviceExtension->DeviceBaseListHead);
// RtlZeroMemory(AccessRanges,
// sizeof(ACCESS_RANGE) * PortConfig->NumberOfAccessRanges);
@ -1153,6 +1202,23 @@ ScsiPortCreatePortDevice(IN PDRIVER_OBJECT DriverObject,
PseudoDeviceExtension->PortConfig.AccessRanges,
AccessRangeSize);
/* Copy device base list */
if (IsListEmpty(&PseudoDeviceExtension->DeviceBaseListHead))
{
InitializeListHead(&PortDeviceExtension->DeviceBaseListHead);
}
else
{
PseudoDeviceExtension->DeviceBaseListHead.Flink =
PortDeviceExtension->DeviceBaseListHead.Flink;
PseudoDeviceExtension->DeviceBaseListHead.Blink =
PortDeviceExtension->DeviceBaseListHead.Blink;
PortDeviceExtension->DeviceBaseListHead.Blink->Flink =
&PortDeviceExtension->DeviceBaseListHead;
PortDeviceExtension->DeviceBaseListHead.Flink->Blink =
&PortDeviceExtension->DeviceBaseListHead;
}
PortDeviceExtension->DeviceObject = PortDeviceObject;
PortDeviceExtension->PortNumber = PortNumber;