#ifndef BLOCKDEV_H
#define BLOCKDEV_H

#include <linux/blkdev.h>
#include <linux/config.h>
#include <linux/errno.h>
#include <linux/fs.h>
#include <linux/genhd.h>
#include <linux/hdreg.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/vmalloc.h>
#include <linux/syscalls.h>
#include <linux/file.h>
#include <linux/fs.h>

/* User Source Files */
#include "cache.h"

#define ANEMONE_CLIENT_MINORS 1

#define AC_PAGING_OVER_NET 1
#define AC_HALT_QUEUE  2
#define AC_PAGING_OVER_NET_WRITE 3
#define AC_PAGING_OVER_NET_READ  4

#define SIZE	100000

#define ANEMONE_LOG_BUFF_SIZE 1024

extern ulong nsectors;

module_param(nsectors, ulong, 0000);
MODULE_PARM_DESC(nsectors, "Default: 100000 pages. Size of the device in units of 4k pages");

/* Structure used by the block device and passed around the upper block
 * device layer
 */
struct anemone_client {
  ulong size;                    /* Device size in sectors */
  short users;                 /* Device user count */
  spinlock_t lock;             /* For mutual exclusion */
  struct request_queue *queue; /* device request queue */
  struct gendisk *gd;          /* The Gendisk Structure */
  struct list_head lh;         /* This will be used to hold pending requests */
  struct cache cache;          /* The anemone device's cache */
  char trace_buffer[ANEMONE_LOG_BUFF_SIZE];
  struct file * trace_file;
};


#endif