/usr/include/xenomai/analogy/device.h is in libxenomai-dev 2.6.4+dfsg-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 | /**
* @file
* Analogy for Linux, device related features
*
* Copyright (C) 1997-2000 David A. Schleef <ds@schleef.org>
* Copyright (C) 2008 Alexis Berlemont <alexis.berlemont@free.fr>
*
* Xenomai is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Xenomai is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Xenomai; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef __ANALOGY_DEVICE__
#define __ANALOGY_DEVICE__
#ifndef DOXYGEN_CPP
#include <analogy/context.h>
#include <analogy/driver.h>
#include <analogy/transfer.h>
#ifdef __KERNEL__
#define A4L_NB_DEVICES 10
#define A4L_DEV_ATTACHED_NR 0
struct a4l_device {
/* Spinlock for global device use */
a4l_lock_t lock;
/* Device specific flags */
unsigned long flags;
/* Driver assigned to this device thanks to attaching
procedure */
a4l_drv_t *driver;
/* Hidden description stuff */
struct list_head subdvsq;
/* Context-dependent stuff */
a4l_trf_t transfer;
/* Private data useful for drivers functioning */
void *priv;
};
typedef struct a4l_device a4l_dev_t;
#endif /* __KERNEL__ */
/* DEVCFG ioctl argument structure */
struct a4l_link_desc {
unsigned char bname_size;
char *bname;
unsigned int opts_size;
void *opts;
};
typedef struct a4l_link_desc a4l_lnkdesc_t;
/* DEVINFO ioctl argument structure */
struct a4l_dev_info {
char board_name[A4L_NAMELEN];
int nb_subd;
int idx_read_subd;
int idx_write_subd;
};
typedef struct a4l_dev_info a4l_dvinfo_t;
#ifdef __KERNEL__
/* --- Devices tab related functions --- */
void a4l_init_devs(void);
int a4l_check_cleanup_devs(void);
int a4l_rdproc_devs(struct seq_file *p, void *data);
/* --- Context related function / macro --- */
void a4l_set_dev(a4l_cxt_t *cxt);
#define a4l_get_dev(x) ((x)->dev)
/* --- Upper layer functions --- */
int a4l_ioctl_devcfg(a4l_cxt_t * cxt, void *arg);
int a4l_ioctl_devinfo(a4l_cxt_t * cxt, void *arg);
#endif /* __KERNEL__ */
#endif /* !DOXYGEN_CPP */
#endif /* __ANALOGY_DEVICE__ */
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