haiku/headers/private/kernel/disk_device_manager/KDiskDeviceManager.h
Ingo Weinhold 38d5e95af9 Support for creating and deleting (the latter not yet implemented) file disk devices. Added file system addition.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@3601 a95241bf-73f2-0310-859d-f6bbb57e9c96
2003-06-22 23:00:20 +00:00

122 lines
3.2 KiB
C++

// KDiskDeviceManager.h
#ifndef _K_DISK_DEVICE_MANAGER_H
#define _K_DISK_DEVICE_MANAGER_H
#include "disk_device_manager.h"
#include "List.h"
#include "Locker.h"
namespace BPrivate {
namespace DiskDevice {
class KDiskDevice;
class KDiskDeviceJob;
class KDiskDeviceJobQueue;
class KDiskSystem;
class KFileDiskDevice;
class KPartition;
class KDiskDeviceManager {
public:
KDiskDeviceManager();
~KDiskDeviceManager();
status_t InitCheck() const;
// Singleton Creation, Deletion, and Access
static status_t CreateDefault();
static void DeleteDefault();
static KDiskDeviceManager *Default();
// Locking
bool Lock();
void Unlock();
// Disk Device / Partition Management
// manager must be locked
KDiskDevice *FindDevice(const char *path, bool noShadow = true);
KDiskDevice *FindDevice(partition_id id, bool noShadow = true);
KPartition *FindPartition(const char *path, bool noShadow = true);
KPartition *FindPartition(partition_id id, bool noShadow = true);
KFileDiskDevice *FindFileDevice(const char *filePath,
bool noShadow = true);
KDiskDevice *RegisterDevice(const char *path, bool noShadow = true);
KDiskDevice *RegisterDevice(partition_id id, bool noShadow = true);
KDiskDevice *RegisterNextDevice(int32 *cookie);
KPartition *RegisterPartition(const char *path, bool noShadow = true);
KPartition *RegisterPartition(partition_id id, bool noShadow = true);
KFileDiskDevice *RegisterFileDevice(const char *filePath,
bool noShadow = true);
status_t CreateFileDevice(const char *filePath, int32 *device = 0);
status_t DeleteFileDevice(const char *filePath);
// manager must be locked
int32 CountDevices();
KDiskDevice *DeviceAt(int32 index);
bool PartitionAdded(KPartition *partition); // implementation internal
bool PartitionRemoved(KPartition *partition); //
// Jobs
// manager must be locked
KDiskDeviceJob *JobWithID(disk_job_id id);
int32 CountJobs();
KDiskDeviceJob *JobAt(int32 index);
// manager must be locked
bool AddJobQueue(KDiskDeviceJobQueue *jobQueue);
int32 CountJobQueues();
KDiskDeviceJobQueue *JobQueueAt(int32 index);
// Disk Systems
// manager must be locked
KDiskSystem *DiskSystemWithName(const char *name);
KDiskSystem *DiskSystemWithID(disk_system_id id);
int32 CountDiskSystems();
KDiskSystem *DiskSystemAt(int32 index);
KDiskSystem *LoadDiskSystem(disk_system_id id);
KDiskSystem *LoadNextDiskSystem(int32 *cookie);
// Watching
// TODO: Watching service for the kernel. The userland watching is handled
// by the registrar.
status_t InitialDeviceScan();
private:
status_t _AddPartitioningSystem(const char *name);
status_t _AddFileSystem(const char *name);
status_t _AddDiskSystem(KDiskSystem *diskSystem);
bool _AddDevice(KDiskDevice *device);
bool _RemoveDevice(KDiskDevice *device);
status_t _Scan(const char *path);
status_t _ScanDevice(KDiskDevice *device);
status_t _ScanPartition(KPartition *partition);
BLocker fLock;
List<KDiskDevice*> fDevices; // TODO: Optimize!
List<KPartition*> fPartitions; //
List<KDiskSystem*> fDiskSystems; //
static KDiskDeviceManager *fDefaultManager;
};
} // namespace DiskDevice
} // namespace BPrivate
using BPrivate::DiskDevice::KDiskDeviceManager;
#endif // _K_DISK_DEVICE_MANAGER_H