tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/* $Id: isdn_divertif.h,v 1.4.6.1 2001/09/23 22:25:05 kai Exp $
2 *
3 * Header for the diversion supplementary interface for i4l.
4 *
5 * Author Werner Cornelius (werner@titro.de)
6 * Copyright by Werner Cornelius (werner@titro.de)
7 *
8 * This software may be used and distributed according to the terms
9 * of the GNU General Public License, incorporated herein by reference.
10 *
11 */
12
13#ifndef _LINUX_ISDN_DIVERTIF_H
14#define _LINUX_ISDN_DIVERTIF_H
15
16/***********************************************************/
17/* magic value is also used to control version information */
18/***********************************************************/
19#define DIVERT_IF_MAGIC 0x25873401
20#define DIVERT_CMD_REG 0x00 /* register command */
21#define DIVERT_CMD_REL 0x01 /* release command */
22#define DIVERT_NO_ERR 0x00 /* return value no error */
23#define DIVERT_CMD_ERR 0x01 /* invalid cmd */
24#define DIVERT_VER_ERR 0x02 /* magic/version invalid */
25#define DIVERT_REG_ERR 0x03 /* module already registered */
26#define DIVERT_REL_ERR 0x04 /* module not registered */
27#define DIVERT_REG_NAME isdn_register_divert
28
29#ifdef __KERNEL__
30#include <linux/isdnif.h>
31#include <linux/types.h>
32
33/***************************************************************/
34/* structure exchanging data between isdn hl and divert module */
35/***************************************************************/
36typedef struct
37 { ulong if_magic; /* magic info and version */
38 int cmd; /* command */
39 int (*stat_callback)(isdn_ctrl *); /* supplied by divert module when calling */
40 int (*ll_cmd)(isdn_ctrl *); /* supplied by hl on return */
41 char * (*drv_to_name)(int); /* map a driver id to name, supplied by hl */
42 int (*name_to_drv)(char *); /* map a driver id to name, supplied by hl */
43 } isdn_divert_if;
44
45/*********************/
46/* function register */
47/*********************/
48extern int DIVERT_REG_NAME(isdn_divert_if *);
49#endif
50
51#endif /* _LINUX_ISDN_DIVERTIF_H */