hal.h

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/******************************************************************************

File Name :

Description:

******************************************************************************/

#ifndef  HAL_H
#define  HAL_H

    /* Includes ------------------------------------------------------------ */

#include <semaphor.h>
#include "stcommon.h"
#include "statapi.h"
#include "stevt.h"
#include "stavfs.h"

    /* Exported Types ------------------------------------------------------ */

typedef struct stavfs_ATA_s
{
    STATAPI_Handle_t    AtapiHandle;
    STEVT_Handle_t      EVTHandle;
    U8                  MultiReadSize;
};


typedef struct
{
    U16 Initialised;
    U16 UnitNumber;
    U16 Protocol;

    ST_DeviceName_t     EVTName ;       /* information got from API_Init, needed by API_Open */
    ST_DeviceName_t     ATAPIName ;     /* same for ST ATAPI */

    union
    {
        struct stavfs_ATA_s ata;
    }a;
    
    void           *MagicNumber; /* Identifies a valid structure */
    semaphore_t     CMDSemaphore;
}
stavfs_HAL_t;

    /* Exported Constants -------------------------------------------------- */

#define   DISK_SECTOR_SIZE    (512)

#define   PROTOCOL_ATA        (1)


    /* Exported Variables -------------------------------------------------- */

    /* Exported Macros ----------------------------------------------------- */

#ifdef STAVFS_HAL_SIMULATION

#define  stavfs_HalDiskExist    stavfs_SimHalDiskExist
#define  stavfs_HalInit         stavfs_SimHalInit
#define  stavfs_HalTerm         stavfs_SimHalTerm
#define  stavfs_HalRead         stavfs_SimHalRead
#define  stavfs_HalWrite        stavfs_SimHalWrite

#endif

    /* Exported Function Prototypes ---------------------------------------- */

BOOL           stavfs_HalDiskExist(stavfs_HAL_t *HALData);

ST_ErrorCode_t stavfs_HalInit     (stavfs_HAL_t *HALData_p);
ST_ErrorCode_t stavfs_HalTerm     (stavfs_HAL_t *HALData_p);
ST_ErrorCode_t stavfs_HalRead     (stavfs_HAL_t *HALData_p, U64 *FirstSector_p, U32 NbSectors, char       *MemoryDestination_p, BOOL Streem);
ST_ErrorCode_t stavfs_HalWrite    (stavfs_HAL_t *HALData_p, U64 *FirstSector_p, U32 NbSectors, char const *MemoryDestination_p, BOOL Streem);
ST_ErrorCode_t stavfs_HalDiskSize (stavfs_HAL_t *HALData_p, U64 *DiskSize_p);



#endif