sortix-mirror/kernel/disk/node.h

54 lines
1.6 KiB
C++

/*
* Copyright (c) 2011, 2012, 2013, 2014, 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.
*
* disk/node.h
* Inode adapter for harddisks.
*/
#ifndef SORTIX_DISK_NODE_H
#define SORTIX_DISK_NODE_H
#include <sys/types.h>
#include <stdint.h>
#include <sortix/kernel/inode.h>
#include <sortix/kernel/kthread.h>
namespace Sortix {
class Harddisk;
class PortNode : public AbstractInode
{
public:
PortNode(Harddisk* harddisk, uid_t owner, gid_t group, mode_t mode, dev_t dev, ino_t ino);
virtual ~PortNode();
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 ssize_t tcgetblob(ioctx_t* ctx, const char* name, void* buffer, size_t count);
private:
Harddisk* harddisk;
};
} // namespace Sortix
#endif