Leaked source code of windows server 2003
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/*++
Copyright (c) 1991 - 2001 Microsoft Corporation
Module Name:
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Abstract:
This header file contains the definitions for the ServerWorks NVRAM miniport driver.
Author:
Wesley Witt (wesw) 1-Oct-2001
Environment:
Kernel mode only.
Notes:
--*/
extern "C" {#include <ntddk.h>
#include <stdio.h>
}
#define MINIPORT_DEVICE_TYPE SA_DEVICE_NVRAM
#include "saport.h"
//
// Control Register Bits
//
#define NVRAM_CONTROL_INTERRUPT_ENABLE 0x0200
#define NVRAM_CONTROL_DONE 0x0100
#define NVRAM_CONTROL_BUSY 0x0080
#define NVRAM_CONTROL_FUNCTION_CODE 0x0060
#define NVRAM_CONTROL_ADDRESS 0x001F
#define NVRAM_CONTROL_FUNCTION_WRITE 0x0020
#define NVRAM_CONTROL_FUNCTION_READ 0x0040
#define MAX_NVRAM_SIZE (32)
typedef struct _DEVICE_EXTENSION { PUCHAR NvramMemBase; // Memory mapped register base address
PULONG IoBuffer; // Buffer passed in StartIo
ULONG IoLength; // Length of IoBuffer in dwords
ULONG IoOffset; // Starting offset for the I/O in dwords
ULONG IoFunction; // Function code; IRP_MJ_WRITE, IRP_MJ_READ
ULONG IoIndex; // Current index info IoBuffer
ULONG CompletedIoSize; //
} DEVICE_EXTENSION, *PDEVICE_EXTENSION;
//
// prototypes
//
extern "C" {
NTSTATUSDriverEntry( IN PDRIVER_OBJECT DriverObject, IN PUNICODE_STRING RegistryPath );
} // extern "C"
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