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-rw-r--r--dev/ddk/dev.h35
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diff --git a/dev/ddk/dev.h b/dev/ddk/dev.h
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+/* -------------------------------------------
+
+ Copyright Amlal EL Mahrouss.
+
+ File: dev.h
+ Purpose: DDK device support.
+
+------------------------------------------- */
+
+#pragma once
+
+#include <ddk/ddk.h>
+
+struct _DDK_DEVICE;
+
+#define DDK_DEVICE_NAME_LEN (255)
+
+/// @brief Kernel Device driver.
+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.
+} DDK_DEVICE, *DDK_DEVICE_PTR;
+
+/// @brief Open a new device from path.
+/// @param path the device's path.
+DDK_EXTERN DDK_DEVICE_PTR open(const char* path);
+
+/// @brief Close any device.
+/// @param device valid device.
+DDK_EXTERN BOOL close(DDK_DEVICE_PTR device);