/* -------------------------------------------

	Copyright ZKA Technologies.

	Purpose: DDK Devices.

------------------------------------------- */

#pragma once

#include <DDK/KernelStd.h>

struct _KERNEL_DEVICE;

/// @brief Kernel Device driver.
typedef struct _KERNEL_DEVICE DK_FINAL
{
	char name[255];					   // the device name. Could be /./DEVICE_NAME/
	void* (*read)(void* arg, int len); // read from device.
	void (*write)(void* arg, int len);
	void (*wait)(void);								  // write to device.
	struct _KERNEL_DEVICE* (*open)(const char* path); // open device.
	void (*close)(struct _KERNEL_DEVICE* dev);		  // close device.
} KERNEL_DEVICE, *KERNEL_DEVICE_PTR;

/// @brief Open a new device from path.
/// @param devicePath the device's path.
DK_EXTERN KERNEL_DEVICE_PTR KernelOpenDevice(const char* devicePath);

/// @brief Close any device.
/// @param device valid device.
DK_EXTERN void KernelCloseDevice(KERNEL_DEVICE_PTR device);