Release 4.11 drivers/isdn/hardware/eicon/dqueue.h

/* $Id: dqueue.h,v 1.1.2.2 2001/02/08 12:25:43 armin Exp $ */

#ifndef _DIVA_USER_MODE_IDI_DATA_QUEUE_H__

#define _DIVA_USER_MODE_IDI_DATA_QUEUE_H__


#define DIVA_UM_IDI_MAX_MSGS 64


typedef struct _diva_um_idi_data_queue {
	
int segments;
	
int max_length;
	
int read;
	
int write;
	
int count;
	
int segment_pending;
	
void *data[DIVA_UM_IDI_MAX_MSGS];
	
int length[DIVA_UM_IDI_MAX_MSGS];
} 
diva_um_idi_data_queue_t;

int diva_data_q_init(diva_um_idi_data_queue_t *q,
		     int max_length, int max_segments);
int diva_data_q_finit(diva_um_idi_data_queue_t *q);
int diva_data_q_get_max_length(const diva_um_idi_data_queue_t *q);
void *diva_data_q_get_segment4write(diva_um_idi_data_queue_t *q);
void diva_data_q_ack_segment4write(diva_um_idi_data_queue_t *q,
				   int length);
const void *diva_data_q_get_segment4read(const diva_um_idi_data_queue_t *
					 q);
int diva_data_q_get_segment_length(const diva_um_idi_data_queue_t *q);
void diva_data_q_ack_segment4read(diva_um_idi_data_queue_t *q);

#endif
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Directory: drivers/isdn/hardware/eicon

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