global.h

DOS下读取硬盘信息,硬盘容量,供应商信息等

#define  FAR         _far
#define  NEAR
#define  PASCAL      _pascal
#define  FASTCALL    _fastcall
#define  VOID        void
#define  BOOL        int

typedef unsigned char _far *ADDRESS ;
typedef unsigned long       LONG    ;
typedef unsigned short      WORD    ;
typedef unsigned char       BYTE    ;
typedef unsigned long       ULONG   ;
typedef unsigned short      USHORT  ;
typedef unsigned char       UCHAR   ;
typedef unsigned short      UINT    ;
typedef unsigned long      *PULONG  ;

typedef union {
	struct {
		USHORT GeneralConfiguration;            /* 00 */
		USHORT NumberOfCylinders;               /* 02 */
		USHORT Reserved1;                       /* 04 */
		USHORT NumberOfHeads;                   /* 06 */
		USHORT UnformattedBytesPerTrack;        /* 08 */
		USHORT UnformattedBytesPerSector;       /* 0A */
		USHORT SectorsPerTrack;                 /* 0C */
		USHORT VendorUnique1[3];                /* 0E */
		USHORT SerialNumber[10];                /* 14 */
		USHORT BufferType;                      /* 28 */
		USHORT BufferSectorSize;                /* 2A */
		USHORT NumberOfEccBytes;                /* 2C */
		USHORT FirmwareRevision[4];             /* 2E */
		UCHAR  ModelNumber[40];                 /* 36 */
		UCHAR  MaximumBlockTransfer;            /* 5E */
		UCHAR  VendorUnique2;                   /* 5F */
		USHORT DoubleWordIo;                    /* 60 */
		USHORT Capabilities;                    /* 62 49*/
		USHORT Reseved8;                        /* 64 */
		UCHAR  VendorUnique3;                   /* 66 51*/
		UCHAR  PioCycleTimingMode;              /* 67 */
		UCHAR  VendorUnique4;                   /* 68 52 */
		UCHAR  DmaCycleTimingMode;              /* 69 */
		USHORT TranslationFieldsValid;          /* 6A 53*/
		USHORT NumberOfCurrentCylinders;        /* 6C 54*/
		USHORT NumberOfCurrentHeads;            /* 6E 55*/
		USHORT CurrentSectorsPerTrack;          /* 70 56*/
		ULONG  CurrentSectorCapacity;           /* 72 57*/
		
		USHORT    SectorsPerInterrupt;        /* 59 Current sectores in Multiple*/
		ULONG     MaxLBA;                     /* 60 Number of addressable sector*/
		USHORT    SingleWordDMAMode;          /* 62 Single Word DMA Mode        */
		USHORT    MultiWordDMAMode;           /* 63 MultiWord DMA Mode          */
		USHORT    PIOModesList;               /* 64 Advanced PIO Mode Supported */
		USHORT    MinDMACycleTime;            /* 65 Minimum DMA Cycle Time      */
		USHORT    RecommDMACycleTime;         /* 66 Recommended DMA Cycle Time  */
		USHORT    PIOTimingWOIORDY;           /* 67 PIO Cycle Time Without IORDY*/
		USHORT    PIOModeTiming;              /* 68 PIO Cycle Time With IORDY   */
		USHORT    reseved6[14];               /* 69 */
		USHORT    Smart;					  /* 82 bit 0 for smart support*/
		USHORT    reseved7[4];				  /* 83 */
		USHORT    UtralDmaMode;               /* 88 */
	} IdentifyInfo;
	int info[256];
} buffer;

#define TRUE             1
#define FALSE            0		
#define	NR_ATTRIBUTES	30
#define	MAX_DEV			4

typedef union {
	struct {
                BYTE lba[6];
	} LBA;
	struct {
        long cap_low;
                long cap_high;
	} cap;

} Capacity;

typedef struct _device{
	WORD	IoPort;
	WORD	ContrlPort;
	BOOL	ISATAPI;
	BOOL	Status; 
	BOOL	SMART;
	BOOL	PASS;
	BYTE	Unit;
	BOOL	BigLBA;
	BYTE	BestPIO;
	BYTE	BestDMA;
	BYTE	BestUDMA;
	LONG	cap;
	Capacity	m;
	BYTE    Name[40];
	BYTE    FirmwareRevision[9];
	char	*channelname;
}Device,*pDevice;