53 lines
1.6 KiB
C++
53 lines
1.6 KiB
C++
/*
|
|
* Copyright (c) 2013, 2015 Jonas 'Sortie' Termansen.
|
|
*
|
|
* Permission to use, copy, modify, and distribute this software for any
|
|
* purpose with or without fee is hereby granted, provided that the above
|
|
* copyright notice and this permission notice appear in all copies.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
|
|
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
|
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
|
|
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
|
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
|
|
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
|
|
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
|
*
|
|
* partition.h
|
|
* Block device representing a partition of another block device.
|
|
*/
|
|
|
|
#ifndef PARTITION_H
|
|
#define PARTITION_H
|
|
|
|
#include <sortix/kernel/refcount.h>
|
|
#include <sortix/kernel/inode.h>
|
|
|
|
namespace Sortix {
|
|
|
|
class Partition : public AbstractInode
|
|
{
|
|
public:
|
|
Partition(Ref<Inode> inner_inode, off_t start, off_t length);
|
|
virtual ~Partition();
|
|
|
|
private:
|
|
Ref<Inode> inner_inode;
|
|
off_t start;
|
|
off_t length;
|
|
|
|
public:
|
|
virtual int sync(ioctx_t* ctx);
|
|
virtual int truncate(ioctx_t* ctx, off_t length);
|
|
virtual off_t lseek(ioctx_t* ctx, off_t offset, int whence);
|
|
virtual ssize_t pread(ioctx_t* ctx, uint8_t* buf, size_t count, off_t off);
|
|
virtual ssize_t pwrite(ioctx_t* ctx, const uint8_t* buf, size_t count,
|
|
off_t off);
|
|
virtual int stat(ioctx_t* ctx, struct stat* st);
|
|
|
|
};
|
|
|
|
} // namespace Sortix
|
|
|
|
#endif
|