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https://github.com/reactos/reactos.git
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545692e89e
- Create PDO for the device - Send a SCSIOP_INQUIRY command to the new PDO - Delete the PDO if the inquiry command failed
147 lines
3.7 KiB
C
147 lines
3.7 KiB
C
/*
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* PROJECT: ReactOS Storport Driver
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* LICENSE: GPL-2.0+ (https://spdx.org/licenses/GPL-2.0+)
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* PURPOSE: Storport PDO code
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* COPYRIGHT: Copyright 2017 Eric Kohl (eric.kohl@reactos.org)
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*/
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/* INCLUDES *******************************************************************/
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#include "precomp.h"
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#define NDEBUG
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#include <debug.h>
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/* FUNCTIONS ******************************************************************/
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NTSTATUS
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PortCreatePdo(
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_In_ PFDO_DEVICE_EXTENSION FdoDeviceExtension,
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_In_ ULONG Bus,
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_In_ ULONG Target,
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_In_ ULONG Lun,
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_Out_ PPDO_DEVICE_EXTENSION *PdoDeviceExtension)
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{
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PPDO_DEVICE_EXTENSION DeviceExtension = NULL;
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PDEVICE_OBJECT Pdo = NULL;
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KLOCK_QUEUE_HANDLE LockHandle;
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NTSTATUS Status;
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DPRINT("PortCreatePdo(%p %p)\n",
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FdoDeviceExtension, PdoDeviceExtension);
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/* Create the port device */
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Status = IoCreateDevice(FdoDeviceExtension->Device->DriverObject,
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sizeof(PDO_DEVICE_EXTENSION),
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NULL,
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FILE_DEVICE_MASS_STORAGE,
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FILE_DEVICE_SECURE_OPEN | FILE_AUTOGENERATED_DEVICE_NAME,
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FALSE,
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&Pdo);
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if (!NT_SUCCESS(Status))
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{
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DPRINT1("IoCreateDevice() failed (Status 0x%lX)\n", Status);
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return Status;
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}
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/* Initialize the device */
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Pdo->Flags |= DO_DIRECT_IO;
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Pdo->Flags |= DO_POWER_PAGABLE;
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DeviceExtension = (PPDO_DEVICE_EXTENSION)Pdo->DeviceExtension;
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RtlZeroMemory(DeviceExtension, sizeof(PDO_DEVICE_EXTENSION));
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DeviceExtension->ExtensionType = PdoExtension;
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DeviceExtension->Device = Pdo;
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DeviceExtension->FdoExtension = FdoDeviceExtension;
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DeviceExtension->PnpState = dsStopped;
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/* Add the PDO to the PDO list*/
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KeAcquireInStackQueuedSpinLock(&FdoDeviceExtension->PdoListLock,
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&LockHandle);
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InsertHeadList(&FdoDeviceExtension->PdoListHead,
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&DeviceExtension->PdoListEntry);
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FdoDeviceExtension->PdoCount++;
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KeReleaseInStackQueuedSpinLock(&LockHandle);
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DeviceExtension->Bus = Bus;
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DeviceExtension->Target = Target;
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DeviceExtension->Lun = Lun;
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// FIXME: More initialization
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/* The device has been initialized */
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Pdo->Flags &= ~DO_DEVICE_INITIALIZING;
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*PdoDeviceExtension = DeviceExtension;
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return STATUS_SUCCESS;
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}
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NTSTATUS
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PortDeletePdo(
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_In_ PPDO_DEVICE_EXTENSION PdoExtension)
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{
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KLOCK_QUEUE_HANDLE LockHandle;
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DPRINT("PortDeletePdo(%p)\n", PdoExtension);
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/* Remove the PDO from the PDO list*/
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KeAcquireInStackQueuedSpinLock(&PdoExtension->FdoExtension->PdoListLock,
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&LockHandle);
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RemoveEntryList(&PdoExtension->PdoListEntry);
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PdoExtension->FdoExtension->PdoCount--;
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KeReleaseInStackQueuedSpinLock(&LockHandle);
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if (PdoExtension->InquiryBuffer)
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{
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ExFreePoolWithTag(PdoExtension->InquiryBuffer, TAG_INQUIRY_DATA);
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PdoExtension->InquiryBuffer = NULL;
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}
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// FIXME: More uninitialization
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/* Delete the PDO */
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IoDeleteDevice(PdoExtension->Device);
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return STATUS_SUCCESS;
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}
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NTSTATUS
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NTAPI
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PortPdoScsi(
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_In_ PDEVICE_OBJECT DeviceObject,
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_In_ PIRP Irp)
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{
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DPRINT1("PortPdoScsi(%p %p)\n", DeviceObject, Irp);
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Irp->IoStatus.Information = 0;
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Irp->IoStatus.Status = STATUS_SUCCESS;
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IoCompleteRequest(Irp, IO_NO_INCREMENT);
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return STATUS_SUCCESS;
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}
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NTSTATUS
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NTAPI
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PortPdoPnp(
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_In_ PDEVICE_OBJECT DeviceObject,
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_In_ PIRP Irp)
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{
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DPRINT1("PortPdoPnp(%p %p)\n", DeviceObject, Irp);
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Irp->IoStatus.Information = 0;
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Irp->IoStatus.Status = STATUS_SUCCESS;
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IoCompleteRequest(Irp, IO_NO_INCREMENT);
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return STATUS_SUCCESS;
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}
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/* EOF */
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