https://git.reactos.org/?p=reactos.git;a=commitdiff;h=0917815efaece8672bfcf0aa52cec6cecf692233
commit 0917815efaece8672bfcf0aa52cec6cecf692233
Author: Pierre Schweitzer <pie...@reactos.org>
AuthorDate: Tue Nov 19 19:04:55 2019 +0100
Commit: Pierre Schweitzer <pie...@reactos.org>
CommitDate: Tue Nov 19 19:05:23 2019 +0100
[CDROM] Forcibly declare our CD devices to the MountMgr
---
drivers/storage/class/cdrom/cdrom.c | 126 ++++++++++++++++++++++++++++++++++
drivers/storage/class/cdrom/precomp.h | 2 +
2 files changed, 128 insertions(+)
diff --git a/drivers/storage/class/cdrom/cdrom.c
b/drivers/storage/class/cdrom/cdrom.c
index a1c477ef9e5..220eb1fcf4f 100644
--- a/drivers/storage/class/cdrom/cdrom.c
+++ b/drivers/storage/class/cdrom/cdrom.c
@@ -731,6 +731,130 @@ Return Value:
RtlFreeUnicodeString(&unicodeString);
}
+
+VOID
+NTAPI
+ReportToMountMgr(
+ IN PDEVICE_OBJECT CdDeviceObject
+ )
+
+/*++
+
+Routine Description:
+
+ This routine reports the creation of a cdrom device object to the
+ MountMgr to fake PnP.
+
+Arguments:
+
+ CdDeviceObject - Pointer to the created cdrom device.
+
+Return Value:
+
+ VOID
+
+--*/
+{
+ NTSTATUS status;
+ UNICODE_STRING mountMgrDevice;
+ PDEVICE_OBJECT deviceObject;
+ PFILE_OBJECT fileObject;
+ PMOUNTMGR_TARGET_NAME mountTarget;
+ ULONG cdLen;
+ PDEVICE_EXTENSION deviceExtension;
+ PIRP irp;
+ KEVENT event;
+ IO_STATUS_BLOCK ioStatus;
+
+ //
+ // First, get MountMgr DeviceObject.
+ //
+
+ RtlInitUnicodeString(&mountMgrDevice, MOUNTMGR_DEVICE_NAME);
+ status = IoGetDeviceObjectPointer(&mountMgrDevice, FILE_READ_ATTRIBUTES,
+ &fileObject, &deviceObject);
+
+ if (!NT_SUCCESS(status)) {
+
+ DebugPrint((1,
+ "ReportToMountMgr: Can't get MountMgr pointers %lx\n",
+ status));
+
+ return;
+ }
+
+ deviceExtension = CdDeviceObject->DeviceExtension;
+ cdLen = deviceExtension->DeviceName.Length;
+
+ //
+ // Allocate input buffer to report our partition device.
+ //
+
+ mountTarget = ExAllocatePool(NonPagedPool,
+ sizeof(MOUNTMGR_TARGET_NAME) + cdLen);
+
+ if (!mountTarget) {
+
+ DebugPrint((1,
+ "ReportToMountMgr: Allocation of mountTarget failed\n"));
+
+ ObDereferenceObject(fileObject);
+ return;
+ }
+
+ mountTarget->DeviceNameLength = cdLen;
+ RtlCopyMemory(mountTarget->DeviceName, deviceExtension->DeviceName.Buffer,
cdLen);
+
+ KeInitializeEvent(&event, NotificationEvent, FALSE);
+
+ //
+ // Build the IRP used to communicate with the MountMgr.
+ //
+
+ irp =
IoBuildDeviceIoControlRequest(IOCTL_MOUNTMGR_VOLUME_ARRIVAL_NOTIFICATION,
+ deviceObject,
+ mountTarget,
+ sizeof(MOUNTMGR_TARGET_NAME) + cdLen,
+ NULL,
+ 0,
+ FALSE,
+ &event,
+ &ioStatus);
+
+ if (!irp) {
+
+ DebugPrint((1,
+ "ReportToMountMgr: Allocation of irp failed\n"));
+
+ ExFreePool(mountTarget);
+ ObDereferenceObject(fileObject);
+ return;
+ }
+
+ //
+ // Call the MountMgr.
+ //
+
+ status = IoCallDriver(deviceObject, irp);
+
+ if (status == STATUS_PENDING) {
+ KeWaitForSingleObject(&event, Suspended, KernelMode, FALSE, NULL);
+ status = ioStatus.Status;
+ }
+
+ //
+ // We're done.
+ //
+
+ DPRINT1("Reported to the MountMgr: %lx\n", status);
+
+ ExFreePool(mountTarget);
+ ObDereferenceObject(fileObject);
+
+ return;
+}
+
+
NTSTATUS
NTAPI
CreateCdRomDeviceObject(
@@ -1323,6 +1447,8 @@ Return Value:
ExFreePool(buffer);
+ ReportToMountMgr(deviceObject);
+
//
// Start the timer now regardless of if Autorun is enabled.
// The timer must run forever since IoStopTimer faults.
diff --git a/drivers/storage/class/cdrom/precomp.h
b/drivers/storage/class/cdrom/precomp.h
index 25e00ea68ef..586ddfa59fc 100644
--- a/drivers/storage/class/cdrom/precomp.h
+++ b/drivers/storage/class/cdrom/precomp.h
@@ -3,5 +3,7 @@
#include <ntdef.h>
#include <ntstatus.h>
+#include <mountmgr.h>
+#include <mountdev.h>
#endif /* _CDROM_PCH_ */
