33 lines
1 KiB
C
33 lines
1 KiB
C
|
/* SPDX-License-Identifier: GPL-2.0 */
|
||
|
|
/* $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
|