rwbuffer.h

ST5518机顶盒系统文件系统源代码！绝对超值！

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

File Name : rwbuffer.h

Description: The R/W Buffer internal API

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

#ifndef  RWBUFFER_H
#define  RWBUFFER_H

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

#include "avdevice.h"

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

typedef void *stavfs_RWBufferRef_t;

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

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

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

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

ST_ErrorCode_t       stavfs_InitRWCache      (stavfs_Device_t *Device);
ST_ErrorCode_t       stavfs_TermRWCache      (stavfs_Device_t *Device);
ST_ErrorCode_t       stavfs_FlushRWCache     (stavfs_Device_t *Device);
ST_ErrorCode_t       stavfs_DiscardRWBuffer  (stavfs_Device_t *Device, stavfs_RWBufferRef_t *Buff);
stavfs_RWBufferRef_t stavfs_AcquireRWBuffer  (stavfs_Device_t *Device, U64 *Sector, BOOL Streem);
ST_ErrorCode_t       stavfs_SetRWBuffer      (stavfs_Device_t *Device, U64 *Sector, stavfs_RWBufferRef_t *Buff, BOOL Streem);
ST_ErrorCode_t       stavfs_RWCacheBlockRead (stavfs_Device_t *Device, U64 *FirstSector, U32 NbSectors, char       *MemoryDestination, BOOL Streem);
ST_ErrorCode_t       stavfs_RWCacheBlockWrite(stavfs_Device_t *Device, U64 *FirstSector, U32 NbSectors, char const *MemoryDestination, BOOL Streem);
ST_ErrorCode_t       stavfs_RWBufferRead     (stavfs_Device_t *Device, stavfs_RWBufferRef_t Buff, U32 Offset, U32 Size, char       *MemoryDestination);
ST_ErrorCode_t       stavfs_RWBufferWrite    (stavfs_Device_t *Device, stavfs_RWBufferRef_t Buff, U32 Offset, U32 Size, char const *MemoryDestination, BOOL EndOfFile);


#endif