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Search for all logical units (LUNs) of a SCSI target.

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svn path=/trunk/; revision=5981
This commit is contained in:
Eric Kohl 2003-09-04 11:30:42 +00:00
parent 4517f7f992
commit 74ef9cda04
1 changed files with 34 additions and 22 deletions
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56
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 1.31 2003/08/27 21:30:37 dwelch Exp $
/* $Id: scsiport.c,v 1.32 2003/09/04 11:30:42 ekohl Exp $
*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
@ -546,6 +546,9 @@ ScsiPortInitialize(IN PVOID Argument1,
return(Status);
}
/* Get inquiry data */
ScsiPortInquire(RealDeviceExtension);
/* Build the registry device map */
ScsiPortBuildDeviceMap(RealDeviceExtension,
(PUNICODE_STRING)Argument2);
@ -1242,6 +1245,7 @@ ScsiPortCreatePortDevice(IN PDRIVER_OBJECT DriverObject,
{
DbgPrint("Could not Connect Interrupt %d\n",
PortDeviceExtension->PortConfig.BusInterruptVector);
IoDeleteDevice(PortDeviceObject);
return(Status);
}
@ -1279,8 +1283,7 @@ ScsiPortCreatePortDevice(IN PDRIVER_OBJECT DriverObject,
PortDeviceExtension->PortBusInfo = NULL;
DPRINT("DeviceExtension %p\n", PortDeviceExtension);
ScsiPortInquire(PortDeviceExtension);
// ScsiPortInquire(PortDeviceExtension);
/* FIXME: Copy more configuration data? */
@ -1311,6 +1314,7 @@ ScsiPortInquire(PSCSI_PORT_DEVICE_EXTENSION DeviceExtension)
SCSI_REQUEST_BLOCK Srb;
ULONG Bus;
ULONG Target;
ULONG Lun;
ULONG UnitCount;
ULONG DataSize;
BOOLEAN Result;
@ -1350,27 +1354,35 @@ ScsiPortInquire(PSCSI_PORT_DEVICE_EXTENSION DeviceExtension)
for (Target = 0; Target < DeviceExtension->PortConfig.MaximumNumberOfTargets; Target++)
{
Srb.TargetId = Target;
Srb.Lun = 0;
Srb.SrbStatus = SRB_STATUS_SUCCESS;
Result = DeviceExtension->HwStartIo(&DeviceExtension->MiniPortDeviceExtension,
&Srb);
DPRINT("Result: %s Srb.SrbStatus %lx\n", (Result)?"True":"False", Srb.SrbStatus);
if (Result == TRUE && Srb.SrbStatus == SRB_STATUS_SUCCESS)
for (Lun = 0; Lun < SCSI_MAXIMUM_LOGICAL_UNITS; Lun++)
{
UnitInfo->PathId = Bus;
UnitInfo->TargetId = Target;
UnitInfo->Lun = 0;
UnitInfo->InquiryDataLength = INQUIRYDATABUFFERSIZE;
memcpy(&UnitInfo->InquiryData,
Srb.DataBuffer,
INQUIRYDATABUFFERSIZE);
if (PrevUnit != NULL)
PrevUnit->NextInquiryDataOffset = (ULONG)((PUCHAR)UnitInfo-(PUCHAR)AdapterInfo);
PrevUnit = UnitInfo;
UnitInfo = (PSCSI_INQUIRY_DATA)((PUCHAR)UnitInfo + sizeof(SCSI_INQUIRY_DATA)+INQUIRYDATABUFFERSIZE-1);
UnitCount++;
Srb.Lun = Lun;
Srb.SrbStatus = SRB_STATUS_SUCCESS;
Result = DeviceExtension->HwStartIo(&DeviceExtension->MiniPortDeviceExtension,
&Srb);
DPRINT("Result: %s Srb.SrbStatus %lx\n", (Result)?"True":"False", Srb.SrbStatus);
if (Result == TRUE && Srb.SrbStatus == SRB_STATUS_SUCCESS)
{
UnitInfo->PathId = Bus;
UnitInfo->TargetId = Target;
UnitInfo->Lun = Lun;
UnitInfo->InquiryDataLength = INQUIRYDATABUFFERSIZE;
memcpy(&UnitInfo->InquiryData,
Srb.DataBuffer,
INQUIRYDATABUFFERSIZE);
if (PrevUnit != NULL)
PrevUnit->NextInquiryDataOffset = (ULONG)((PUCHAR)UnitInfo-(PUCHAR)AdapterInfo);
PrevUnit = UnitInfo;
UnitInfo = (PSCSI_INQUIRY_DATA)((PUCHAR)UnitInfo + sizeof(SCSI_INQUIRY_DATA)+INQUIRYDATABUFFERSIZE-1);
UnitCount++;
}
else if (Lun == 0)
{
break;
}
}
}
DPRINT("UnitCount: %lu\n", UnitCount);