fss.het

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#ifndef FSS_HET
#define FSS_HET



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/*											*/
/*			     General C or POSIX structures				*/
/*											*/
/*$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$*/


/* Definition of file structure */
/*------------------------------*/
/* Fake structure used like a file structure */
typedef struct st_FileFake {
	   u32   v_FakeFile;
	   void* p_FakeFile;

	} t_FileFake; 

typedef struct st_FILE {
	   u32   v_FakeFile;
	   void* p_FakeFile;

	} t_FILE;

#ifndef t_fssFILE

/* Definition of file mode */
/*-------------------------*/
typedef struct st_fss_FileMode {

      	u32 v_WriteEnabled : 1;
	u32 v_ReadEnabled : 1;
	u32 v_OpenAppend : 1;
	u32 v_CreationEnabled : 1;
	u32 v_EmptyedOnOpen : 1;
	u32 v_BuffMode : 2;
	u32 v_Unused:20;

    } t_fss_FileMode;

typedef struct st_fss_VolStruct {

	char *		p_VolName;	/* Pointer on volume name string */
	void * 		p_FileList;	/* Pointer on queue of open files of volume */
	void *		p_DirList;	/* Pointer on queue of open directories of volume */
	
	void * 		p_IOBuffMngt;		/* IO buffer management configuration for the volume */

	void * 		p_LayerCommunication;	/* Structure which compose the interlayer table 
						      contains for every layer:
							- its context pointer 
							- the pointer on function/level table 
							- the level of the layer
							- the number of commands of the lower layer */

	u16 		v_VolID;		/* ID of the volume */
	u16		v_FsOffsetInFile;	/* Fm file header size */ 
	u8		v_VolNameLength;	/* Length of volume name */
	u8		v_FreezeCounter;	/* Number of freeze occurences for the volume */
	MC_PCC_FILL_STRUCT2

     } t_fss_VolStruct ;


/* Definition of file structure */
/*------------------------------*/
typedef struct st_fssFILE {

	struct st_fssFILE * p_VolNextPtr;	/* Pointer on next stream in open streams queue
									of volume */
	struct st_fssFILE * p_VolPrecPtr;	/* Pointer on prec stream in open streams queue
								 of volume */
	struct st_fssFILE * p_EntityNextPtr;	/* Pointer on next stream in open streams queue
								 of entity's */
	struct st_fssFILE * p_EntityPrecPtr;	/* Pointer on prec stream in open streams queue
								 of entity's */
	void * 		p_Entity;		/* Pointer on entity's CB */

	t_fss_VolStruct * p_VolOfFile;		/* Pointer on volume structure of the file */
	void * 		p_IoBuff;   		/* Pointer on IO buffer characteristics */
	s32 		v_FilePosition;
	s32 		v_FileSize;
	t_fss_FileMode 	s_OpenMode;		/* Open mode of file */
	u32 		v_FileID;		/* File identifier */
	u16		v_Pattern;		/* Pattern to identify if structure is a FILE struct */ 
	u8  		v_EndOfFile:1;		/* End of file indicator */
	u8		v_OperationExecuted:1;	/* An operation was executed on the file */
        u8		v_StreamState:2;	/* State of the stream ( NO, IN_WRITE, IN_READ ) */
	u8		v_NotUsed:4;
	MC_PCC_FILL_STRUCT1

     } t_fssFILE;

#endif


/* Definition of dir structure */
/*------------------------------*/
/* Fake structure used like a file structure */
typedef struct st_DirFake {
	   u32   v_FakeDir;
	   void* p_FakeDir;
	} t_DirFake; 

typedef struct st_DIR {
	   u32   v_FakeDir;
	   void* p_FakeDir;
	} t_DIR;  

#ifndef t_fssDIR
#define t_fssDIR t_DirFake
#endif

/* Definition of directory entry structure ( update by readdir ) */
/*---------------------------------------------------------------*/
typedef struct st_fss_dirent {

	ascii d_name[ALIGN(FSS_NAME_MAX)];

     } t_fss_dirent;


/* Path for the file system server */
/*---------------------------------*/
typedef ascii 	fssPath	;

/* Volume name for the file system server */
/*----------------------------------------*/
typedef ascii 	fssVolName;

/* Definition of a size */
/*----------------------*/
typedef s32	t_fss_size_t;

/* Definition of the stat structure */
/*----------------------------------*/
typedef s32	t_fss_off_t ;	

typedef u32	t_fss_mod_t ; /* "t_fss_off_t" is a bit field off permission bits
							 and type of object */


typedef struct st_fss_stat {

      t_fss_mod_t 	s_fss_st_mode;

      t_fss_off_t     	s_fss_st_size;

    } t_fss_stat;


/* Definition of volume information structure */
/*--------------------------------------------*/
typedef struct st_fssVolInfo {
	s32 v_FreeSize;
	s32 v_TotalSize;
	s32 v_NumberOfFiles;
	s32 v_FreeSizeAfterDefrag;
	s32 v_MaxFileSizeBeforeDefrag;
	s32 v_MaxFileSizeAfterDefrag;
	u8  v_State;
	MC_PCC_FILL_STRUCT3

     } t_fssVolInfo;


/* Definition of file address structure and its pieces */
/*-----------------------------------------------------*/
typedef struct st_fssFilePieceInfo {

	ascii * p_AddrOfPiece;		/* Address of the piece */
	u32	v_SizeOfPiece;		/* Size of the piece */

     } t_fssFilePieceInfo;

#define s_FileAddrHeader u32			v_NumberOfPieces 
								/* Number of pieces in which the file 
										is splitted */
#define FSS_FILE_ADDR_HEADER_SIZE	4	/* Size in bytes of file address header */

typedef struct st_fssFileAddr {

	s_FileAddrHeader;	/* Header of file address structure */
	t_fssFilePieceInfo	a_FilePieceInfo[4];	/* Array containing info about pieces */

     } t_fssFileAddr;

#endif