André Hentschel : mountmgr.sys: Handle IOCTL_DISK_GET_DRIVE_GEOMETRY_EX.

[Alexandre Julliard]

Module: wine
Branch: stable
Commit: 2b8eadefed6547431ca0ebab969ef3a57e113c3e
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=2b8eadefed6547431ca0ebab96...

Author: André Hentschel 
Date:   Wed Mar  9 20:45:18 2011 +0100

mountmgr.sys: Handle IOCTL_DISK_GET_DRIVE_GEOMETRY_EX.
(cherry picked from commit 7a90e7a4442a011db17b7f297e7c93af87269bc4)

---

dlls/mountmgr.sys/device.c |   20 ++++++++++++++++++++
 include/winioctl.h         |    7 +++++++
 2 files changed, 27 insertions(+), 0 deletions(-)

diff --git a/dlls/mountmgr.sys/device.c b/dlls/mountmgr.sys/device.c
index 8709472..ddff3ab 100644
--- a/dlls/mountmgr.sys/device.c
+++ b/dlls/mountmgr.sys/device.c
@@ -888,6 +888,26 @@ static NTSTATUS WINAPI harddisk_ioctl( DEVICE_OBJECT *device, IRP *irp )
         irp->IoStatus.u.Status = STATUS_SUCCESS;
         break;
     }
+    case IOCTL_DISK_GET_DRIVE_GEOMETRY_EX:
+    {
+        DISK_GEOMETRY_EX info;
+        DWORD len = min( sizeof(info), irpsp->Parameters.DeviceIoControl.OutputBufferLength );
+
+        FIXME("The DISK_PARTITION_INFO and DISK_DETECTION_INFO structures will not be filled\n");
+
+        info.Geometry.Cylinders.QuadPart = 10000;
+        info.Geometry.MediaType = (dev->devnum.DeviceType == FILE_DEVICE_DISK) ? FixedMedia : RemovableMedia;
+        info.Geometry.TracksPerCylinder = 255;
+        info.Geometry.SectorsPerTrack = 63;
+        info.Geometry.BytesPerSector = 512;
+        info.DiskSize.QuadPart = info.Geometry.Cylinders.QuadPart * info.Geometry.TracksPerCylinder *
+                                 info.Geometry.SectorsPerTrack * info.Geometry.BytesPerSector;
+        info.Data[0]  = 0;
+        memcpy( irp->MdlAddress->StartVa, &info, len );
+        irp->IoStatus.Information = len;
+        irp->IoStatus.u.Status = STATUS_SUCCESS;
+        break;
+    }
     case IOCTL_STORAGE_GET_DEVICE_NUMBER:
     {
         DWORD len = min( sizeof(dev->devnum), irpsp->Parameters.DeviceIoControl.OutputBufferLength );
diff --git a/include/winioctl.h b/include/winioctl.h
index d1c3376..7f04d59 100644
--- a/include/winioctl.h
+++ b/include/winioctl.h
@@ -264,6 +264,7 @@
 #define SMART_GET_VERSION               CTL_CODE(IOCTL_DISK_BASE, 0x0020, METHOD_BUFFERED, FILE_READ_ACCESS)
 #define SMART_SEND_DRIVE_COMMAND        CTL_CODE(IOCTL_DISK_BASE, 0x0021, METHOD_BUFFERED, FILE_READ_ACCESS | FILE_WRITE_ACCESS)
 #define SMART_RCV_DRIVE_DATA            CTL_CODE(IOCTL_DISK_BASE, 0x0022, METHOD_BUFFERED, FILE_READ_ACCESS | FILE_WRITE_ACCESS)
+#define IOCTL_DISK_GET_DRIVE_GEOMETRY_EX CTL_CODE(IOCTL_DISK_BASE, 0x0028, METHOD_BUFFERED, FILE_ANY_ACCESS)

#define IOCTL_VOLUME_BASE ((DWORD)'V')
 #define IOCTL_VOLUME_GET_VOLUME_DISK_EXTENTS      CTL_CODE(IOCTL_VOLUME_BASE, 0, METHOD_BUFFERED, FILE_ANY_ACCESS)
@@ -325,6 +326,12 @@ typedef struct _DISK_GEOMETRY {
     DWORD               BytesPerSector;
 } DISK_GEOMETRY, *PDISK_GEOMETRY;

+typedef struct _DISK_GEOMETRY_EX {
+    DISK_GEOMETRY       Geometry;
+    LARGE_INTEGER       DiskSize;
+    BYTE                Data[1];
+} DISK_GEOMETRY_EX, *PDISK_GEOMETRY_EX;
+
 typedef struct _PARTITION_INFORMATION {
     LARGE_INTEGER       StartingOffset;
     LARGE_INTEGER       PartitionLength;