fslowlayer.hit

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#ifndef FSLOWLAYER_HIT
#define FSLOWLAYER_HIT



/*--------------------------------------*/
/*					*/
/*	Low layer structures 		*/
/*					*/
/*--------------------------------------*/

/* Structure used to generate for every layer the function pointer table */
/*-----------------------------------------------------------------------*/
typedef struct st_FunctionAndLevel {


 	void (*p_Fct)(void*,void*)	;	/* Address of function to call */
    	u8		v_Level;		/* Level of the layer which contains this function */
	MC_PCC_FILL_STRUCT3

   } t_FunctionAndLevel;

/* Structure used to form the interlayer table */
/*---------------------------------------------*/
typedef struct st_InterLayer {

	void *		p_LayerContext;		/* Context of the layer */	
	t_FunctionAndLevel * p_TabFctLevel;	/* Pointer on function pointer/level of the 
								layer table */
	u16		v_NbrCommands;		/* Number of commands of the lower layer */
  	u8		v_Level;		/* Level of the current layer */
	u8		v_NbrLayers;		/* Number of layers for the volume */
     } t_InterLayer;


/* Structure which form an element of stack of the interlayer communication structure */
/*------------------------------------------------------------------------------------*/
typedef struct st_Layer {
     	    t_InterLayer * 	p_Interlayer;	/* Pointer on interlayer structure of the current
										 layer */
          } t_Layer;

/* Dynamic structure used for interlayer communication ( is placed in the tasks/threads stack ) */
/*----------------------------------------------------------------------------------------------*/ 
typedef struct st_LayerCommunication {

  /* Mutex management parameters */
     /* t_Mutex *  p_MutexList;	*/	/* Linked list of MUTEXes taken by the thread 
					   to free at exception of EXIT of treatement */
     /* u8	v_TypeOfThread;	 */		/* If the thread is internal to FSS or external */
     /* u16	v_SemaphoreNumber; */	/* Number of semaphore associated to the thread 
						( if no semaphore == 0xffff ) 
					    the semaphore is only used to block the thread */
#ifdef DEBUG
    /* u8		v_NbrMutexLayer; */	/* Number of mutex taken and not released by layer
						  Used for debug to verify if all mutexes of the
							layer would freeed before layer exit */
#endif

  /* Exception management context */
   /* TBD */

  /* Layers management context */
     t_InterLayer * p_CurrentInterLayer;		/* Pointer on current structure in interlayer 
								communication table */ 


     u8 v_NbrStackEntries;		/* Stack pointer */

     MC_PCC_FILL_STRUCT3

     t_Layer a_Layer[4];		/* Stack to push/pop data at sublayers call/return */ 

   } t_LayerCommunication;


/* Low layer base structure */
/*--------------------------*/
typedef struct st_LowLayerDataBaseStruct {

	t_LayerCommunication **	p_TabLayerCommunication;
	u16			v_NbrKernelTasks;
   	u8			v_NbrMaxLevelLayers;
	MC_PCC_FILL_STRUCT1

   } t_LowLayerDataBaseStruct;


#endif