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https://github.com/reactos/reactos.git
synced 2024-12-27 17:44:45 +00:00
Always update disk geometry.
svn path=/trunk/; revision=2983
This commit is contained in:
Eric Kohl
parent
5aad28cf99
commit
af5a948adf
1 changed files with 158 additions and 109 deletions
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@ -16,7 +16,7 @@
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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/* $Id: cdrom.c,v 1.9 2002/05/25 13:29:58 ekohl Exp $
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/* $Id: cdrom.c,v 1.10 2002/05/26 20:23:22 ekohl Exp $
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*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS kernel
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@ -25,6 +25,12 @@
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* PROGRAMMER: Eric Kohl (ekohl@rz-online.de)
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*/
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/*
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* TODO:
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* - Add io timer routine for autorun support.
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* - Add cdaudio support (cd player).
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*/
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/* INCLUDES *****************************************************************/
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#include <ddk/ntddk.h>
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@ -62,7 +68,7 @@ CdromClassCheckReadWrite(IN PDEVICE_OBJECT DeviceObject,
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static NTSTATUS
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CdromClassCreateDeviceObject(IN PDRIVER_OBJECT DriverObject,
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IN PUNICODE_STRING RegistryPath, /* what's this used for? */
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IN PUNICODE_STRING RegistryPath,
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IN PDEVICE_OBJECT PortDeviceObject,
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IN ULONG PortNumber,
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IN ULONG DeviceNumber,
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@ -79,27 +85,34 @@ NTSTATUS STDCALL
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CdromClassShutdownFlush(IN PDEVICE_OBJECT DeviceObject,
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IN PIRP Irp);
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VOID STDCALL
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CdromTimerRoutine(IN PDEVICE_OBJECT DeviceObject,
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IN PVOID Context);
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/* FUNCTIONS ****************************************************************/
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// DriverEntry
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//
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// DESCRIPTION:
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// This function initializes the driver, locates and claims
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// hardware resources, and creates various NT objects needed
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// to process I/O requests.
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//
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// RUN LEVEL:
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// PASSIVE_LEVEL
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//
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// ARGUMENTS:
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// IN PDRIVER_OBJECT DriverObject System allocated Driver Object
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// for this driver
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// IN PUNICODE_STRING RegistryPath Name of registry driver service
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// key
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//
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// RETURNS:
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// NTSTATUS
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/**********************************************************************
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* NAME EXPORTED
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* DriverEntry
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*
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* DESCRIPTION:
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* This function initializes the driver, locates and claims
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* hardware resources, and creates various NT objects needed
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* to process I/O requests.
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*
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* RUN LEVEL:
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* PASSIVE_LEVEL
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*
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* ARGUMENTS:
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* DriverObject
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* System allocated Driver Object for this driver
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* RegistryPath
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* Name of registry driver service key
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*
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* RETURNS:
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* Status.
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*/
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NTSTATUS STDCALL
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DriverEntry(IN PDRIVER_OBJECT DriverObject,
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@ -107,8 +120,8 @@ DriverEntry(IN PDRIVER_OBJECT DriverObject,
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{
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CLASS_INIT_DATA InitData;
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DbgPrint("CD-ROM Class Driver %s\n",
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VERSION);
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DPRINT("CD-ROM Class Driver %s\n",
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VERSION);
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DPRINT("RegistryPath '%wZ'\n",
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RegistryPath);
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@ -117,7 +130,7 @@ DriverEntry(IN PDRIVER_OBJECT DriverObject,
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InitData.DeviceType = FILE_DEVICE_CD_ROM;
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InitData.DeviceCharacteristics = FILE_REMOVABLE_MEDIA | FILE_READ_ONLY_DEVICE;
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InitData.ClassError = NULL; // CdromClassProcessError;
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InitData.ClassError = NULL; // CdromClassProcessError;
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InitData.ClassReadWriteVerification = CdromClassCheckReadWrite;
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InitData.ClassFindDeviceCallBack = CdromClassCheckDevice;
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InitData.ClassFindDevices = CdromClassFindDevices;
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@ -132,25 +145,33 @@ DriverEntry(IN PDRIVER_OBJECT DriverObject,
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}
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// CdromClassFindDevices
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//
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// DESCRIPTION:
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// This function searches for device that are attached to the given scsi port.
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//
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// RUN LEVEL:
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// PASSIVE_LEVEL
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//
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// ARGUMENTS:
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// IN PDRIVER_OBJECT DriverObject System allocated Driver Object for this driver
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// IN PUNICODE_STRING RegistryPath Name of registry driver service key
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// IN PCLASS_INIT_DATA InitializationData Pointer to the main initialization data
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// IN PDEVICE_OBJECT PortDeviceObject Scsi port device object
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// IN ULONG PortNumber Port number
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//
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// RETURNS:
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// TRUE: At least one disk drive was found
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// FALSE: No disk drive found
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//
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/**********************************************************************
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* NAME EXPORTED
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* CdromClassFindDevices
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*
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* DESCRIPTION:
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* This function searches for device that are attached to the
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* given scsi port.
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*
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* RUN LEVEL:
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* PASSIVE_LEVEL
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*
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* ARGUMENTS:
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* DriverObject
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* System allocated Driver Object for this driver
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* RegistryPath
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* Name of registry driver service key.
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* InitializationData
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* Pointer to the main initialization data
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* PortDeviceObject
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* Scsi port device object
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* PortNumber
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* Port number
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*
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* RETURNS:
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* TRUE: At least one disk drive was found
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* FALSE: No disk drive found
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*/
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BOOLEAN STDCALL
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CdromClassFindDevices(IN PDRIVER_OBJECT DriverObject,
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@ -198,7 +219,7 @@ CdromClassFindDevices(IN PDRIVER_OBJECT DriverObject,
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AdapterBusInfo);
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if (DeviceCount == 0)
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{
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DPRINT1("No unclaimed devices!\n");
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DPRINT("No unclaimed devices!\n");
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return(FALSE);
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}
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@ -253,7 +274,8 @@ CdromClassFindDevices(IN PDRIVER_OBJECT DriverObject,
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DPRINT("CdromClassFindDevices() done\n");
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return(TRUE);
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return(FoundDevice);
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// return(TRUE);
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}
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@ -298,7 +320,6 @@ CdromClassCheckDevice(IN PINQUIRYDATA InquiryData)
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* ARGUMENTS
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* DeviceObject
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* Pointer to the device.
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*
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* Irp
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* Irp to check.
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*
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@ -317,33 +338,35 @@ CdromClassCheckReadWrite(IN PDEVICE_OBJECT DeviceObject,
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}
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// CdromClassCreateDeviceObject
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//
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// DESCRIPTION:
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// Create the raw device and any partition devices on this drive
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//
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// RUN LEVEL:
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// PASSIVE_LEVEL
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//
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// ARGUMENTS:
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// IN PDRIVER_OBJECT DriverObject The system created driver object
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// IN PCONTROLLER_OBJECT ControllerObject
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// IN PIDE_CONTROLLER_EXTENSION ControllerExtension
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// The IDE controller extension for
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// this device
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// IN int DriveIdx The index of the drive on this
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// controller
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// IN int HarddiskIdx The NT device number for this
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// drive
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//
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// RETURNS:
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// TRUE Drive exists and devices were created
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// FALSE no devices were created for this device
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//
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/**********************************************************************
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* NAME EXPORTED
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* CdromClassCreateDeviceObject
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*
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* DESCRIPTION:
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* Create the raw device and any partition devices on this drive
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*
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* RUN LEVEL:
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* PASSIVE_LEVEL
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*
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* ARGUMENTS:
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* DriverObject
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* System allocated Driver Object for this driver.
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* RegistryPath
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* Name of registry driver service key.
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* PortDeviceObject
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* PortNumber
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* DeviceNumber
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* Capabilities
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* InquiryData
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* InitializationData
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*
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* RETURNS:
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* Status.
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*/
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static NTSTATUS
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CdromClassCreateDeviceObject(IN PDRIVER_OBJECT DriverObject,
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IN PUNICODE_STRING RegistryPath, /* what's this used for? */
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IN PUNICODE_STRING RegistryPath,
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IN PDEVICE_OBJECT PortDeviceObject,
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IN ULONG PortNumber,
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IN ULONG DeviceNumber,
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@ -481,6 +504,11 @@ CdromClassCreateDeviceObject(IN PDRIVER_OBJECT DriverObject,
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/* FIXME: initialize media change support */
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IoInitializeTimer(DiskDeviceObject,
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CdromTimerRoutine,
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NULL);
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IoStartTimer(DiskDeviceObject);
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DPRINT("CdromClassCreateDeviceObjects() done\n");
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return(STATUS_SUCCESS);
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@ -488,20 +516,24 @@ CdromClassCreateDeviceObject(IN PDRIVER_OBJECT DriverObject,
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// CdromClassDeviceControl
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//
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// DESCRIPTION:
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// Answer requests for device control calls
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//
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// RUN LEVEL:
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// PASSIVE_LEVEL
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//
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// ARGUMENTS:
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// Standard dispatch arguments
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//
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// RETURNS:
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// NTSTATUS
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//
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/**********************************************************************
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* NAME EXPORTED
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* CdromClassDeviceControl
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*
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* DESCRIPTION:
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* Answer requests for device control calls
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*
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* RUN LEVEL:
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* PASSIVE_LEVEL
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*
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* ARGUMENTS:
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* DeviceObject
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* Irp
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* Standard dispatch arguments
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*
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* RETURNS:
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* Status.
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*/
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NTSTATUS STDCALL
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CdromClassDeviceControl(IN PDEVICE_OBJECT DeviceObject,
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@ -528,27 +560,32 @@ CdromClassDeviceControl(IN PDEVICE_OBJECT DeviceObject,
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switch (ControlCode)
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{
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case IOCTL_CDROM_GET_DRIVE_GEOMETRY:
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DPRINT1("IOCTL_CDROM_GET_DRIVE_GEOMETRY\n");
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DPRINT("IOCTL_CDROM_GET_DRIVE_GEOMETRY\n");
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if (IrpStack->Parameters.DeviceIoControl.OutputBufferLength < sizeof(DISK_GEOMETRY))
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{
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Status = STATUS_INVALID_PARAMETER;
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}
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else if (DeviceExtension->DiskGeometry == NULL)
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{
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DPRINT1("No cdrom geometry available!\n");
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Status = STATUS_NO_SUCH_DEVICE;
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}
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else
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{
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PDISK_GEOMETRY Geometry;
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Geometry = (PDISK_GEOMETRY) Irp->AssociatedIrp.SystemBuffer;
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RtlMoveMemory(Geometry,
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DeviceExtension->DiskGeometry,
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sizeof(DISK_GEOMETRY));
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if (DeviceExtension->DiskGeometry == NULL)
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{
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DPRINT("No cdrom geometry available!\n");
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DeviceExtension->DiskGeometry = ExAllocatePool(NonPagedPool,
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sizeof(DISK_GEOMETRY));
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}
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Status = ScsiClassReadDriveCapacity(DeviceObject);
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if (NT_SUCCESS(Status))
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{
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Geometry = (PDISK_GEOMETRY) Irp->AssociatedIrp.SystemBuffer;
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RtlMoveMemory(Geometry,
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DeviceExtension->DiskGeometry,
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sizeof(DISK_GEOMETRY));
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Status = STATUS_SUCCESS;
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Information = sizeof(DISK_GEOMETRY);
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Status = STATUS_SUCCESS;
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Information = sizeof(DISK_GEOMETRY);
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}
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}
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break;
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@ -567,20 +604,24 @@ CdromClassDeviceControl(IN PDEVICE_OBJECT DeviceObject,
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}
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// CdromClassShutdownFlush
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//
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// DESCRIPTION:
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// Answer requests for shutdown and flush calls
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//
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// RUN LEVEL:
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// PASSIVE_LEVEL
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//
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// ARGUMENTS:
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// Standard dispatch arguments
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//
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// RETURNS:
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// NTSTATUS
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//
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/**********************************************************************
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* NAME EXPORTED
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* CdromClassShutdownFlush
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*
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* DESCRIPTION:
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* Answer requests for shutdown and flush calls
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*
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* RUN LEVEL:
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* PASSIVE_LEVEL
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*
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* ARGUMENTS:
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* DeviceObject
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* Irp
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* Standard dispatch arguments
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*
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* RETURNS:
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* Status.
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*/
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NTSTATUS STDCALL
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CdromClassShutdownFlush(IN PDEVICE_OBJECT DeviceObject,
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@ -596,4 +637,12 @@ CdromClassShutdownFlush(IN PDEVICE_OBJECT DeviceObject,
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}
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VOID STDCALL
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CdromTimerRoutine(PDEVICE_OBJECT DeviceObject,
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PVOID Context)
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{
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DPRINT("CdromTimerRoutine() called\n");
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}
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/* EOF */
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