haiku/headers/private/kernel/disk_device_manager/KDiskSystem.h

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/*
* Copyright 2003-2008, Haiku, Inc. All Rights Reserved.
* Distributed under the terms of the MIT License.
*
* Authors:
* Ingo Weinhold <ingo_weinhold@gmx.de>
*/
#ifndef _K_DISK_DEVICE_SYSTEM_H
#define _K_DISK_DEVICE_SYSTEM_H
#include "disk_device_manager.h"
struct user_disk_system_info;
namespace BPrivate {
namespace DiskDevice {
class KPartition;
//! \brief Common ancestor for disk system add-on wrappers
class KDiskSystem {
public:
KDiskSystem(const char *name);
virtual ~KDiskSystem();
virtual status_t Init();
// void SetID(disk_system_id id);
disk_system_id ID() const;
const char* Name() const;
const char* ShortName() const;
const char* PrettyName() const;
uint32 Flags() const;
bool IsFileSystem() const;
bool IsPartitioningSystem() const;
void GetInfo(user_disk_system_info* info);
// manager will be locked
status_t Load(); // load/unload -- can be nested
void Unload(); //
bool IsLoaded() const;
// Scanning
// Device must be write locked.
virtual float Identify(KPartition* partition, void** cookie);
virtual status_t Scan(KPartition* partition, void* cookie);
virtual void FreeIdentifyCookie(KPartition* partition,
void* cookie);
virtual void FreeCookie(KPartition* partition);
virtual void FreeContentCookie(KPartition* partition);
// Writing
// Device should not be locked, but all affected partitions are marked
// busy, meaning that no one else is allowed to modify it (and we only,
// if we get a write lock).
virtual status_t Defragment(KPartition* partition,
disk_job_id job);
virtual status_t Repair(KPartition* partition, bool checkOnly,
disk_job_id job);
virtual status_t Resize(KPartition* partition, off_t size,
disk_job_id job);
virtual status_t ResizeChild(KPartition* child, off_t size,
disk_job_id job);
virtual status_t Move(KPartition* partition, off_t offset,
disk_job_id job);
virtual status_t MoveChild(KPartition* child, off_t offset,
disk_job_id job);
virtual status_t SetName(KPartition* partition, const char* name,
disk_job_id job);
virtual status_t SetContentName(KPartition* partition,
const char* name, disk_job_id job);
virtual status_t SetType(KPartition* partition, const char* type,
disk_job_id job);
virtual status_t SetParameters(KPartition* partition,
const char* parameters, disk_job_id job);
virtual status_t SetContentParameters(KPartition* partition,
const char* parameters, disk_job_id job);
virtual status_t Initialize(KPartition* partition,
const char* name, const char* parameters,
disk_job_id job);
virtual status_t CreateChild(KPartition* partition, off_t offset,
off_t size, const char* type,
const char* name, const char* parameters,
disk_job_id job, KPartition** child = NULL,
partition_id childID = -1);
virtual status_t DeleteChild(KPartition* child, disk_job_id job);
protected:
virtual status_t LoadModule();
virtual void UnloadModule();
status_t SetShortName(const char* name);
status_t SetPrettyName(const char* name);
void SetFlags(uint32 flags);
static int32 _NextID();
private:
disk_system_id fID;
char* fName;
char* fShortName;
char* fPrettyName;
uint32 fFlags;
int32 fLoadCounter;
static int32 fNextID;
};
} // namespace DiskDevice
} // namespace BPrivate
using BPrivate::DiskDevice::KDiskSystem;
#endif // _K_DISK_DEVICE_SYSTEM_H