genode/ports/src/vancouver/disk.h

73 lines
1.6 KiB
C++

/*
* \brief Block interface
* \author Markus Partheymueller
* \date 2012-09-15
*/
/*
* Copyright (C) 2012 Intel Corporation
* Copyright (C) 2013 Genode Labs GmbH
*
* This file is part of the Genode OS framework, which is distributed
* under the terms of the GNU General Public License version 2.
*
* The code is partially based on the Vancouver VMM, which is distributed
* under the terms of the GNU General Public License version 2.
*
* Modifications by Intel Corporation are contributed under the terms and
* conditions of the GNU General Public License version 2.
*/
#ifndef _DISK_H_
#define _DISK_H_
/* Genode includes */
#include <base/allocator_avl.h>
#include <base/printf.h>
#include <base/sleep.h>
#include <base/thread.h>
#include <block_session/connection.h>
#include <util/string.h>
/* NOVA userland includes */
#include <nul/motherboard.h>
#include <host/dma.h>
static const bool read_only = false;
class Vancouver_disk : public Genode::Thread<8192>, public StaticReceiver<Vancouver_disk>
{
private:
enum { MAX_DISKS = 16 };
struct {
Block::Connection *blk_con;
Block::Session::Operations ops;
Genode::size_t blk_size;
Genode::size_t blk_cnt;
} _diskcon[MAX_DISKS];
Genode::Lock _startup_lock;
Motherboard &_mb;
char *_backing_store_base;
char *_backing_store_fb_base;
public:
/**
* Constructor
*/
Vancouver_disk(Motherboard &mb,
char * backing_store_base,
char * backing_store_fb_base);
~Vancouver_disk();
void entry();
bool receive(MessageDisk &msg);
};
#endif /* _DISK_H_ */