dev.h

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/* -------------------------------------------
 
  Copyright Amlal El Mahrouss.
 
  File: dev.h
  Purpose: DDK device support.
 
------------------------------------------- */
 
#pragma once
 
#include <DDKKit/ddk.h>
 
struct _DDK_DEVICE;
 
#define DDK_DEVICE_NAME_LEN (255)

typedef struct _DDK_DEVICE DDK_FINAL {
  char d_name[DDK_DEVICE_NAME_LEN];     // the device name. Could be /./DEVICE_NAME/
  void* (*d_read)(void* arg, int len);  // read from device.
  void (*d_write)(void* arg, int len);
  void (*d_wait)(void);                             // write to device.
  struct _DDK_DEVICE* (*d_open)(const char* path);  // open device.
  void (*d_close)(struct _DDK_DEVICE* dev);         // close device.
  void (*d_seek)(struct _DDK_DEVICE* dev, size_t off);
  size_t (*d_tell)(struct _DDK_DEVICE* dev);
} DDK_DEVICE, *DDK_DEVICE_PTR;

DDK_EXTERN DDK_DEVICE_PTR open(const char* path);

DDK_EXTERN BOOL close(DDK_DEVICE_PTR device);